/////////////////////////////////////////////////////////////////////////////
-// Name: datavgen.cpp
+// Name: src/generic/datavgen.cpp
// Purpose: wxDataViewCtrl generic implementation
// Author: Robert Roebling
+// Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#include "wx/defs.h"
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
#if wxUSE_DATAVIEWCTRL
#ifdef wxUSE_GENERICDATAVIEWCTRL
+#ifndef WX_PRECOMP
+ #ifdef __WXMSW__
+ #include "wx/msw/private.h"
+ #include "wx/msw/wrapwin.h"
+ #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
+ #endif
+ #include "wx/sizer.h"
+ #include "wx/log.h"
+ #include "wx/dcclient.h"
+ #include "wx/timer.h"
+ #include "wx/settings.h"
+ #include "wx/msgdlg.h"
+ #include "wx/dcscreen.h"
+ #include "wx/frame.h"
+#endif
+
#include "wx/stockitem.h"
-#include "wx/dcclient.h"
#include "wx/calctrl.h"
#include "wx/popupwin.h"
-#include "wx/sizer.h"
-#include "wx/log.h"
#include "wx/renderer.h"
-
-#ifdef __WXMSW__
- #include <windows.h> // for DLGC_WANTARROWS
- #include "wx/msw/winundef.h"
-#endif
+#include "wx/dcbuffer.h"
+#include "wx/icon.h"
+#include "wx/list.h"
+#include "wx/listimpl.cpp"
+#include "wx/imaglist.h"
+#include "wx/headerctrl.h"
+#include "wx/dnd.h"
+#include "wx/stopwatch.h"
//-----------------------------------------------------------------------------
// classes
//-----------------------------------------------------------------------------
+class wxDataViewColumn;
+class wxDataViewHeaderWindow;
class wxDataViewCtrl;
-// ---------------------------------------------------------
-// wxGenericDataViewListModelNotifier
-// ---------------------------------------------------------
+//-----------------------------------------------------------------------------
+// classes
+//-----------------------------------------------------------------------------
+
+static const int SCROLL_UNIT_X = 15;
-class wxGenericDataViewListModelNotifier: public wxDataViewListModelNotifier
-{
-public:
- wxGenericDataViewListModelNotifier( wxDataViewListModel *wx_model );
-
- virtual bool RowAppended();
- virtual bool RowPrepended();
- virtual bool RowInserted( size_t before );
- virtual bool RowDeleted( size_t row );
- virtual bool RowChanged( size_t row );
- virtual bool ValueChanged( size_t col, size_t row );
- virtual bool RowsReordered( size_t *new_order );
- virtual bool Cleared();
-
- wxDataViewListModel *m_wx_model;
-};
+// the cell padding on the left/right
+static const int PADDING_RIGHTLEFT = 3;
-// ---------------------------------------------------------
-// wxGenericDataViewListModelNotifier
-// ---------------------------------------------------------
+// the expander space margin
+static const int EXPANDER_MARGIN = 4;
-wxGenericDataViewListModelNotifier::wxGenericDataViewListModelNotifier(
- wxDataViewListModel *wx_model )
-{
- m_wx_model = wx_model;
-}
-
-bool wxGenericDataViewListModelNotifier::RowAppended()
+#ifdef __WXMSW__
+static const int EXPANDER_OFFSET = 4;
+#else
+static const int EXPANDER_OFFSET = 1;
+#endif
+
+// Below is the compare stuff.
+// For the generic implementation, both the leaf nodes and the nodes are sorted for
+// fast search when needed
+static wxDataViewModel* g_model;
+static int g_column = -2;
+static bool g_asending = true;
+
+//-----------------------------------------------------------------------------
+// wxDataViewColumn
+//-----------------------------------------------------------------------------
+
+void wxDataViewColumn::Init(int width, wxAlignment align, int flags)
{
- size_t pos = m_wx_model->GetNumberOfRows()-1;
-
- return false;
+ m_width = width;
+ m_minWidth = 0;
+ m_align = align;
+ m_flags = flags;
+ m_sort = false;
+ m_sortAscending = true;
}
-bool wxGenericDataViewListModelNotifier::RowPrepended()
+int wxDataViewColumn::GetWidth() const
{
- return false;
+ switch ( m_width )
+ {
+ case wxCOL_WIDTH_DEFAULT:
+ return wxDVC_DEFAULT_WIDTH;
+
+ case wxCOL_WIDTH_AUTOSIZE:
+ wxCHECK_MSG( m_owner, wxDVC_DEFAULT_WIDTH, "no owner control" );
+ return m_owner->GetBestColumnWidth(m_owner->GetColumnIndex(this));
+
+ default:
+ return m_width;
+ }
}
-bool wxGenericDataViewListModelNotifier::RowInserted( size_t before )
+void wxDataViewColumn::UpdateDisplay()
{
- return false;
+ if (m_owner)
+ {
+ int idx = m_owner->GetColumnIndex( this );
+ m_owner->OnColumnChange( idx );
+ }
}
-bool wxGenericDataViewListModelNotifier::RowDeleted( size_t row )
+//-----------------------------------------------------------------------------
+// wxDataViewHeaderWindow
+//-----------------------------------------------------------------------------
+
+class wxDataViewHeaderWindow : public wxHeaderCtrl
{
- return false;
-}
+public:
+ wxDataViewHeaderWindow(wxDataViewCtrl *parent)
+ : wxHeaderCtrl(parent)
+ {
+ }
+
+ wxDataViewCtrl *GetOwner() const
+ { return static_cast<wxDataViewCtrl *>(GetParent()); }
+
+protected:
+ // implement/override wxHeaderCtrl functions by forwarding them to the main
+ // control
+ virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
+ {
+ return *(GetOwner()->GetColumn(idx));
+ }
+
+ // FIXME: currently unused
+ virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
+ {
+ wxDataViewCtrl * const owner = GetOwner();
+
+ int widthContents = owner->GetBestColumnWidth(idx);
+ owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
+ owner->OnColumnChange(idx);
+
+ return true;
+ }
+
+private:
+ bool SendEvent(wxEventType type, unsigned int n)
+ {
+ wxDataViewCtrl * const owner = GetOwner();
+ wxDataViewEvent event(type, owner->GetId());
+
+ event.SetEventObject(owner);
+ event.SetColumn(n);
+ event.SetDataViewColumn(owner->GetColumn(n));
+ event.SetModel(owner->GetModel());
+
+ // for events created by wxDataViewHeaderWindow the
+ // row / value fields are not valid
+ return owner->GetEventHandler()->ProcessEvent(event);
+ }
+
+ void OnClick(wxHeaderCtrlEvent& event)
+ {
+ const unsigned idx = event.GetColumn();
+
+ if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
+ return;
+
+ // default handling for the column click is to sort by this column or
+ // toggle its sort order
+ wxDataViewCtrl * const owner = GetOwner();
+ wxDataViewColumn * const col = owner->GetColumn(idx);
+ if ( !col->IsSortable() )
+ {
+ // no default handling for non-sortable columns
+ event.Skip();
+ return;
+ }
+
+ if ( col->IsSortKey() )
+ {
+ // already using this column for sorting, just change the order
+ col->ToggleSortOrder();
+ }
+ else // not using this column for sorting yet
+ {
+ // first unset the old sort column if any
+ int oldSortKey = owner->GetSortingColumnIndex();
+ if ( oldSortKey != wxNOT_FOUND )
+ {
+ owner->GetColumn(oldSortKey)->UnsetAsSortKey();
+ owner->OnColumnChange(oldSortKey);
+ }
+
+ owner->SetSortingColumnIndex(idx);
+ col->SetAsSortKey();
+ }
+
+ wxDataViewModel * const model = owner->GetModel();
+ if ( model )
+ model->Resort();
+
+ owner->OnColumnChange(idx);
+ }
+
+ void OnRClick(wxHeaderCtrlEvent& event)
+ {
+ if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
+ event.GetColumn()) )
+ event.Skip();
+ }
+
+ void OnResize(wxHeaderCtrlEvent& event)
+ {
+ wxDataViewCtrl * const owner = GetOwner();
+
+ const unsigned col = event.GetColumn();
+ owner->GetColumn(col)->SetWidth(event.GetWidth());
+ GetOwner()->OnColumnChange(col);
+ }
+
+ void OnEndReorder(wxHeaderCtrlEvent& event)
+ {
+ wxDataViewCtrl * const owner = GetOwner();
+ owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
+ event.GetNewOrder());
+ }
+
+ DECLARE_EVENT_TABLE()
+ wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);
+};
+
+BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
+ EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
+ EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
+
+ EVT_HEADER_RESIZING(wxID_ANY, wxDataViewHeaderWindow::OnResize)
+ EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnResize)
+
+ EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
+END_EVENT_TABLE()
+
+//-----------------------------------------------------------------------------
+// wxDataViewRenameTimer
+//-----------------------------------------------------------------------------
-bool wxGenericDataViewListModelNotifier::RowChanged( size_t row )
+class wxDataViewRenameTimer: public wxTimer
{
- return true;
-}
+private:
+ wxDataViewMainWindow *m_owner;
+
+public:
+ wxDataViewRenameTimer( wxDataViewMainWindow *owner );
+ void Notify();
+};
+
+//-----------------------------------------------------------------------------
+// wxDataViewTreeNode
+//-----------------------------------------------------------------------------
+
+class wxDataViewTreeNode;
+WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
+WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
-bool wxGenericDataViewListModelNotifier::ValueChanged( size_t model_col, size_t model_row )
+int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
+ wxDataViewTreeNode ** node2);
+int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
+
+class wxDataViewTreeNode
{
- wxNode *node = GetOwner()->m_viewingColumns.GetFirst();
- while (node)
+public:
+ wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
+ {
+ m_parent = parent;
+ if (!parent)
+ m_open = true;
+ else
+ m_open = false;
+ m_hasChildren = false;
+ m_subTreeCount = 0;
+ }
+
+ ~wxDataViewTreeNode()
+ {
+ }
+
+ wxDataViewTreeNode * GetParent() const { return m_parent; }
+ void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
+ wxDataViewTreeNodes & GetNodes() { return m_nodes; }
+ wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
+
+ void AddNode( wxDataViewTreeNode * node )
+ {
+ m_leaves.Add( node->GetItem().GetID() );
+ if (g_column >= -1)
+ m_leaves.Sort( &wxGenericTreeModelItemCmp );
+ m_nodes.Add( node );
+ if (g_column >= -1)
+ m_nodes.Sort( &wxGenericTreeModelNodeCmp );
+ }
+ void AddLeaf( void * leaf )
+ {
+ m_leaves.Add( leaf );
+ if (g_column >= -1)
+ m_leaves.Sort( &wxGenericTreeModelItemCmp );
+ }
+
+ wxDataViewItem & GetItem() { return m_item; }
+ const wxDataViewItem & GetItem() const { return m_item; }
+ void SetItem( const wxDataViewItem & item ) { m_item = item; }
+
+ unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
+ unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
+ int GetIndentLevel() const
{
- wxDataViewViewingColumn* viewing_column = (wxDataViewViewingColumn*) node->GetData();
- if (viewing_column->m_modelColumn == model_col)
+ int ret = 0;
+ const wxDataViewTreeNode * node = this;
+ while( node->GetParent()->GetParent() != NULL )
{
-
+ node = node->GetParent();
+ ret ++;
}
+ return ret;
+ }
- node = node->GetNext();
+ bool IsOpen() const
+ {
+ return m_open;
}
-
- return false;
-}
-bool wxGenericDataViewListModelNotifier::RowsReordered( size_t *new_order )
-{
- wxNode *node = GetOwner()->m_viewingColumns.GetFirst();
- while (node)
+ void ToggleOpen()
{
- wxDataViewViewingColumn* viewing_column = (wxDataViewViewingColumn*) node->GetData();
+ int len = m_nodes.GetCount();
+ int sum = 0;
+ for ( int i = 0;i < len; i ++)
+ sum += m_nodes[i]->GetSubTreeCount();
- node = node->GetNext();
+ sum += m_leaves.GetCount();
+ if (m_open)
+ {
+ ChangeSubTreeCount(-sum);
+ m_open = !m_open;
+ }
+ else
+ {
+ m_open = !m_open;
+ ChangeSubTreeCount(sum);
+ }
}
-
- return false;
+ bool HasChildren() const { return m_hasChildren; }
+ void SetHasChildren( bool has ){ m_hasChildren = has; }
+
+ void SetSubTreeCount( int num ) { m_subTreeCount = num; }
+ int GetSubTreeCount() const { return m_subTreeCount; }
+ void ChangeSubTreeCount( int num )
+ {
+ if( !m_open )
+ return;
+ m_subTreeCount += num;
+ if( m_parent )
+ m_parent->ChangeSubTreeCount(num);
+ }
+
+ void Resort()
+ {
+ if (g_column >= -1)
+ {
+ m_nodes.Sort( &wxGenericTreeModelNodeCmp );
+ int len = m_nodes.GetCount();
+ for (int i = 0; i < len; i ++)
+ m_nodes[i]->Resort();
+ m_leaves.Sort( &wxGenericTreeModelItemCmp );
+ }
+ }
+
+private:
+ wxDataViewTreeNode *m_parent;
+ wxDataViewTreeNodes m_nodes;
+ wxDataViewTreeLeaves m_leaves;
+ wxDataViewItem m_item;
+ bool m_open;
+ bool m_hasChildren;
+ int m_subTreeCount;
+};
+
+int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
+ wxDataViewTreeNode ** node2)
+{
+ return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
}
-bool wxGenericDataViewListModelNotifier::Cleared()
+int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
{
- return false;
+ return g_model->Compare( *id1, *id2, g_column, g_asending );
}
-// ---------------------------------------------------------
-// wxDataViewCell
-// ---------------------------------------------------------
-IMPLEMENT_ABSTRACT_CLASS(wxDataViewCell, wxDataViewCellBase)
+//-----------------------------------------------------------------------------
+// wxDataViewMainWindow
+//-----------------------------------------------------------------------------
+
+WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
+ WXDLLIMPEXP_ADV);
+WX_DECLARE_LIST(wxDataViewItem, ItemList);
+WX_DEFINE_LIST(ItemList)
+
+class wxDataViewMainWindow: public wxWindow
+{
+public:
+ wxDataViewMainWindow( wxDataViewCtrl *parent,
+ wxWindowID id,
+ const wxPoint &pos = wxDefaultPosition,
+ const wxSize &size = wxDefaultSize,
+ const wxString &name = wxT("wxdataviewctrlmainwindow") );
+ virtual ~wxDataViewMainWindow();
+
+ bool IsList() const { return GetOwner()->GetModel()->IsListModel(); }
+ bool IsVirtualList() const { return m_root == NULL; }
+
+ // notifications from wxDataViewModel
+ bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
+ bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
+ bool ItemChanged( const wxDataViewItem &item );
+ bool ValueChanged( const wxDataViewItem &item, unsigned int model_column );
+ bool Cleared();
+ void Resort()
+ {
+ if (!IsVirtualList())
+ {
+ SortPrepare();
+ m_root->Resort();
+ }
+ UpdateDisplay();
+ }
+
+ void SortPrepare()
+ {
+ g_model = GetOwner()->GetModel();
+ wxDataViewColumn* col = GetOwner()->GetSortingColumn();
+ if( !col )
+ {
+ if (g_model->HasDefaultCompare())
+ g_column = -1;
+ else
+ g_column = -2;
+
+ g_asending = true;
+ return;
+ }
+ g_column = col->GetModelColumn();
+ g_asending = col->IsSortOrderAscending();
+ }
+
+ void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
+ wxDataViewCtrl *GetOwner() { return m_owner; }
+ const wxDataViewCtrl *GetOwner() const { return m_owner; }
+
+#if wxUSE_DRAG_AND_DROP
+ wxBitmap CreateItemBitmap( unsigned int row, int &indent );
+#endif // wxUSE_DRAG_AND_DROP
+ void OnPaint( wxPaintEvent &event );
+ void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
+ void OnChar( wxKeyEvent &event );
+ void OnMouse( wxMouseEvent &event );
+ void OnSetFocus( wxFocusEvent &event );
+ void OnKillFocus( wxFocusEvent &event );
+
+ void UpdateDisplay();
+ void RecalculateDisplay();
+ void OnInternalIdle();
+
+ void OnRenameTimer();
+
+ void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
+ void ScrollTo( int rows, int column );
+
+ unsigned GetCurrentRow() const { return m_currentRow; }
+ bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
+ void ChangeCurrentRow( unsigned int row );
+
+ bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
+ bool IsEmpty() { return GetRowCount() == 0; }
+
+ int GetCountPerPage() const;
+ int GetEndOfLastCol() const;
+ unsigned int GetFirstVisibleRow() const;
+
+ // I change this method to un const because in the tree view,
+ // the displaying number of the tree are changing along with the
+ // expanding/collapsing of the tree nodes
+ unsigned int GetLastVisibleRow();
+ unsigned int GetRowCount();
+
+ wxDataViewItem GetSelection() const;
+ wxDataViewSelection GetSelections(){ return m_selection; }
+ void SetSelections( const wxDataViewSelection & sel )
+ { m_selection = sel; UpdateDisplay(); }
+ void Select( const wxArrayInt& aSelections );
+ void SelectAllRows( bool on );
+ void SelectRow( unsigned int row, bool on );
+ void SelectRows( unsigned int from, unsigned int to, bool on );
+ void ReverseRowSelection( unsigned int row );
+ bool IsRowSelected( unsigned int row );
+ void SendSelectionChangedEvent( const wxDataViewItem& item);
+
+ void RefreshRow( unsigned int row );
+ void RefreshRows( unsigned int from, unsigned int to );
+ void RefreshRowsAfter( unsigned int firstRow );
+
+ // returns the colour to be used for drawing the rules
+ wxColour GetRuleColour() const
+ {
+ return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
+ }
+
+ wxRect GetLineRect( unsigned int row ) const;
+
+ int GetLineStart( unsigned int row ) const; // row * m_lineHeight in fixed mode
+ int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
+ int GetLineAt( unsigned int y ) const; // y / m_lineHeight in fixed mode
+
+ // Some useful functions for row and item mapping
+ wxDataViewItem GetItemByRow( unsigned int row ) const;
+ int GetRowByItem( const wxDataViewItem & item ) const;
+
+ // Methods for building the mapping tree
+ void BuildTree( wxDataViewModel * model );
+ void DestroyTree();
+ void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
+ wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
-wxDataViewCell::wxDataViewCell( const wxString &varianttype, wxDataViewCellMode mode ) :
- wxDataViewCellBase( varianttype, mode )
+ void Expand( unsigned int row );
+ void Collapse( unsigned int row );
+ bool IsExpanded( unsigned int row ) const;
+ bool HasChildren( unsigned int row ) const;
+
+#if wxUSE_DRAG_AND_DROP
+ bool EnableDragSource( const wxDataFormat &format );
+ bool EnableDropTarget( const wxDataFormat &format );
+
+ void RemoveDropHint();
+ wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
+ bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
+ wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
+ void OnLeave();
+#endif // wxUSE_DRAG_AND_DROP
+
+private:
+ wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
+ // We did not need this temporarily
+ // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
+
+ int RecalculateCount();
+
+ wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
+
+ wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
+
+private:
+ wxDataViewCtrl *m_owner;
+ int m_lineHeight;
+ bool m_dirty;
+
+ wxDataViewColumn *m_currentCol;
+ unsigned int m_currentRow;
+ wxDataViewSelection m_selection;
+
+ wxDataViewRenameTimer *m_renameTimer;
+ bool m_lastOnSame;
+
+ bool m_hasFocus;
+
+#if wxUSE_DRAG_AND_DROP
+ int m_dragCount;
+ wxPoint m_dragStart;
+
+ bool m_dragEnabled;
+ wxDataFormat m_dragFormat;
+
+ bool m_dropEnabled;
+ wxDataFormat m_dropFormat;
+ bool m_dropHint;
+ unsigned int m_dropHintLine;
+#endif // wxUSE_DRAG_AND_DROP
+
+ // for double click logic
+ unsigned int m_lineLastClicked,
+ m_lineBeforeLastClicked,
+ m_lineSelectSingleOnUp;
+
+ // the pen used to draw horiz/vertical rules
+ wxPen m_penRule;
+
+ // the pen used to draw the expander and the lines
+ wxPen m_penExpander;
+
+ // This is the tree structure of the model
+ wxDataViewTreeNode * m_root;
+ int m_count;
+
+ // This is the tree node under the cursor
+ wxDataViewTreeNode * m_underMouse;
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
+ DECLARE_EVENT_TABLE()
+};
+
+// ---------------------------------------------------------
+// wxGenericDataViewModelNotifier
+// ---------------------------------------------------------
+
+class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
+{
+public:
+ wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
+ { m_mainWindow = mainWindow; }
+
+ virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
+ { return m_mainWindow->ItemAdded( parent , item ); }
+ virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
+ { return m_mainWindow->ItemDeleted( parent, item ); }
+ virtual bool ItemChanged( const wxDataViewItem & item )
+ { return m_mainWindow->ItemChanged(item); }
+ virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
+ { return m_mainWindow->ValueChanged( item, col ); }
+ virtual bool Cleared()
+ { return m_mainWindow->Cleared(); }
+ virtual void Resort()
+ { m_mainWindow->Resort(); }
+
+ wxDataViewMainWindow *m_mainWindow;
+};
+
+// ---------------------------------------------------------
+// wxDataViewRenderer
+// ---------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
+
+wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
+ wxDataViewCellMode mode,
+ int align) :
+ wxDataViewCustomRendererBase( varianttype, mode, align )
{
+ m_align = align;
+ m_mode = mode;
+ m_ellipsizeMode = wxELLIPSIZE_MIDDLE;
m_dc = NULL;
}
-wxDataViewCell::~wxDataViewCell()
+wxDataViewRenderer::~wxDataViewRenderer()
{
- if (m_dc)
- delete m_dc;
+ delete m_dc;
}
-wxDC *wxDataViewCell::GetDC()
+wxDC *wxDataViewRenderer::GetDC()
{
if (m_dc == NULL)
{
return NULL;
m_dc = new wxClientDC( GetOwner()->GetOwner() );
}
-
+
return m_dc;
}
-// ---------------------------------------------------------
-// wxDataViewCustomCell
-// ---------------------------------------------------------
-
-IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomCell, wxDataViewCell)
+void wxDataViewRenderer::SetAlignment( int align )
+{
+ m_align=align;
+}
-wxDataViewCustomCell::wxDataViewCustomCell( const wxString &varianttype,
- wxDataViewCellMode mode ) :
- wxDataViewCell( varianttype, mode )
+int wxDataViewRenderer::GetAlignment() const
{
+ return m_align;
}
-
-// ---------------------------------------------------------
-// wxDataViewTextCell
-// ---------------------------------------------------------
+// ---------------------------------------------------------
+// wxDataViewCustomRenderer
+// ---------------------------------------------------------
-IMPLEMENT_ABSTRACT_CLASS(wxDataViewTextCell, wxDataViewCustomCell)
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
-wxDataViewTextCell::wxDataViewTextCell( const wxString &varianttype, wxDataViewCellMode mode ) :
- wxDataViewCustomCell( varianttype, mode )
+wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
+ wxDataViewCellMode mode, int align ) :
+ wxDataViewRenderer( varianttype, mode, align )
{
}
-bool wxDataViewTextCell::SetValue( const wxVariant &value )
+// ---------------------------------------------------------
+// wxDataViewTextRenderer
+// ---------------------------------------------------------
+
+IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)
+
+wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
+ wxDataViewCellMode mode, int align ) :
+ wxDataViewRenderer( varianttype, mode, align )
{
- return false;
}
-bool wxDataViewTextCell::GetValue( wxVariant &value )
+bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
{
- return false;
+ m_text = value.GetString();
+
+ return true;
}
-bool wxDataViewTextCell::Render( wxRect cell, wxDC *dc, int state )
+bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
{
return false;
}
-wxSize wxDataViewTextCell::GetSize()
+bool wxDataViewTextRenderer::HasEditorCtrl() const
{
- return wxSize(80,20);
+ return true;
}
-// ---------------------------------------------------------
-// wxDataViewToggleCell
-// ---------------------------------------------------------
+wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
+ wxRect labelRect, const wxVariant &value )
+{
+ wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
+ wxPoint(labelRect.x,labelRect.y),
+ wxSize(labelRect.width,labelRect.height) );
-IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleCell, wxDataViewCustomCell)
+ // select the text in the control an place the cursor at the end
+ ctrl->SetInsertionPointEnd();
+ ctrl->SelectAll();
-wxDataViewToggleCell::wxDataViewToggleCell( const wxString &varianttype,
- wxDataViewCellMode mode ) :
- wxDataViewCustomCell( varianttype, mode )
-{
+ return ctrl;
}
-bool wxDataViewToggleCell::SetValue( const wxVariant &value )
+bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
{
- return false;
+ wxTextCtrl *text = (wxTextCtrl*) editor;
+ value = text->GetValue();
+ return true;
}
-bool wxDataViewToggleCell::GetValue( wxVariant &value )
-{
- return false;
-}
-
-bool wxDataViewToggleCell::Render( wxRect cell, wxDC *dc, int state )
+bool wxDataViewTextRenderer::Render(wxRect rect, wxDC *dc, int state)
{
- return false;
+ RenderText(m_text, 0, rect, dc, state);
+ return true;
}
-wxSize wxDataViewToggleCell::GetSize()
+wxSize wxDataViewTextRenderer::GetSize() const
{
- return wxSize(20,20);
+ if (!m_text.empty())
+ return GetTextExtent(m_text);
+ else
+ return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
}
-// ---------------------------------------------------------
-// wxDataViewProgressCell
-// ---------------------------------------------------------
+// ---------------------------------------------------------
+// wxDataViewBitmapRenderer
+// ---------------------------------------------------------
-IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressCell, wxDataViewCustomCell)
+IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewRenderer)
-wxDataViewProgressCell::wxDataViewProgressCell( const wxString &label,
- const wxString &varianttype, wxDataViewCellMode mode ) :
- wxDataViewCustomCell( varianttype, mode )
+wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
+ wxDataViewCellMode mode, int align ) :
+ wxDataViewRenderer( varianttype, mode, align )
{
- m_label = label;
- m_value = 0;
}
-wxDataViewProgressCell::~wxDataViewProgressCell()
+bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
{
-}
+ if (value.GetType() == wxT("wxBitmap"))
+ m_bitmap << value;
+ if (value.GetType() == wxT("wxIcon"))
+ m_icon << value;
-bool wxDataViewProgressCell::SetValue( const wxVariant &value )
-{
- m_value = (long) value;
-
- if (m_value < 0) m_value = 0;
- if (m_value > 100) m_value = 100;
-
return true;
}
-
-bool wxDataViewProgressCell::Render( wxRect cell, wxDC *dc, int state )
+
+bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
{
- double pct = (double)m_value / 100.0;
- wxRect bar = cell;
- bar.width = (int)(cell.width * pct);
- dc->SetPen( *wxTRANSPARENT_PEN );
- dc->SetBrush( *wxBLUE_BRUSH );
- dc->DrawRectangle( bar );
+ return false;
+}
+
+bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
+{
+ if (m_bitmap.Ok())
+ dc->DrawBitmap( m_bitmap, cell.x, cell.y );
+ else if (m_icon.Ok())
+ dc->DrawIcon( m_icon, cell.x, cell.y );
+
+ return true;
+}
+
+wxSize wxDataViewBitmapRenderer::GetSize() const
+{
+ if (m_bitmap.Ok())
+ return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
+ else if (m_icon.Ok())
+ return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
+
+ return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
+}
+
+// ---------------------------------------------------------
+// wxDataViewToggleRenderer
+// ---------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)
+
+wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
+ wxDataViewCellMode mode, int align ) :
+ wxDataViewRenderer( varianttype, mode, align )
+{
+ m_toggle = false;
+}
+
+bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
+{
+ m_toggle = value.GetBool();
+
+ return true;
+}
+
+bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
+{
+ return false;
+}
+
+bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
+{
+ int flags = 0;
+ if (m_toggle)
+ flags |= wxCONTROL_CHECKED;
+ if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE ||
+ GetEnabled() == false)
+ flags |= wxCONTROL_DISABLED;
+
+ // check boxes we draw must always have the same, standard size (if it's
+ // bigger than the cell size the checkbox will be truncated because the
+ // caller had set the clipping rectangle to prevent us from drawing outside
+ // the cell)
+ cell.SetSize(GetSize());
+
+ wxRendererNative::Get().DrawCheckBox(
+ GetOwner()->GetOwner(),
+ *dc,
+ cell,
+ flags );
+
+ return true;
+}
+
+void wxDataViewToggleRenderer::WXOnActivate(wxDataViewModel *model,
+ const wxVariant& valueOld,
+ const wxDataViewItem & item,
+ unsigned int col)
+{
+ if (model->IsEnabled(item, col))
+ {
+ model->ChangeValue(!valueOld.GetBool(), item, col);
+ }
+}
+
+wxSize wxDataViewToggleRenderer::GetSize() const
+{
+ // the window parameter is not used by GetCheckBoxSize() so it's
+ // safe to pass NULL
+ return wxRendererNative::Get().GetCheckBoxSize(NULL);
+}
+
+// ---------------------------------------------------------
+// wxDataViewProgressRenderer
+// ---------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewRenderer)
+
+wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
+ const wxString &varianttype, wxDataViewCellMode mode, int align ) :
+ wxDataViewRenderer( varianttype, mode, align )
+{
+ m_label = label;
+ m_value = 0;
+}
+
+bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
+{
+ m_value = (long) value;
+
+ if (m_value < 0) m_value = 0;
+ if (m_value > 100) m_value = 100;
+
+ return true;
+}
+
+bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
+{
+ value = (long) m_value;
+ return true;
+}
+
+bool
+wxDataViewProgressRenderer::Render(wxRect rect, wxDC *dc, int WXUNUSED(state))
+{
+ // deflate the rect to leave a small border between bars in adjacent rows
+ wxRect bar = rect.Deflate(0, 1);
dc->SetBrush( *wxTRANSPARENT_BRUSH );
dc->SetPen( *wxBLACK_PEN );
- dc->DrawRectangle( cell );
-
+ dc->DrawRectangle( bar );
+
+ bar.width = (int)(bar.width * m_value / 100.);
+ dc->SetPen( *wxTRANSPARENT_PEN );
+
+ const wxDataViewItemAttr& attr = GetAttr();
+ dc->SetBrush( attr.HasColour() ? wxBrush(attr.GetColour())
+ : *wxBLUE_BRUSH );
+ dc->DrawRectangle( bar );
+
return true;
}
-wxSize wxDataViewProgressCell::GetSize()
+wxSize wxDataViewProgressRenderer::GetSize() const
{
return wxSize(40,12);
}
-
-// ---------------------------------------------------------
-// wxDataViewDateCell
-// ---------------------------------------------------------
-class wxDataViewDateCellPopupTransient: public wxPopupTransientWindow
+// ---------------------------------------------------------
+// wxDataViewDateRenderer
+// ---------------------------------------------------------
+
+#define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
+
+#if wxUSE_DATE_RENDERER_POPUP
+
+class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
{
-public:
- wxDataViewDateCellPopupTransient( wxWindow* parent, wxDateTime *value,
- wxDataViewListModel *model, size_t col, size_t row ) :
- wxPopupTransientWindow( parent, wxBORDER_SIMPLE )
+public:
+ wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
+ wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
+ wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
+ m_item( item )
{
m_model = model;
m_col = col;
- m_row = row;
- m_cal = new wxCalendarCtrl( this, -1, *value );
+ m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
sizer->Add( m_cal, 1, wxGROW );
SetSizer( sizer );
sizer->Fit( this );
}
-
+
+ void OnCalendar( wxCalendarEvent &event );
+
+ wxCalendarCtrl *m_cal;
+ wxDataViewModel *m_model;
+ unsigned int m_col;
+ const wxDataViewItem & m_item;
+
+protected:
virtual void OnDismiss()
{
}
-
- void OnCalendar( wxCalendarEvent &event );
-
- wxCalendarCtrl *m_cal;
- wxDataViewListModel *m_model;
- size_t m_col;
- size_t m_row;
-
+
private:
DECLARE_EVENT_TABLE()
};
-BEGIN_EVENT_TABLE(wxDataViewDateCellPopupTransient,wxPopupTransientWindow)
- EVT_CALENDAR( -1, wxDataViewDateCellPopupTransient::OnCalendar )
+BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
+ EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
END_EVENT_TABLE()
-void wxDataViewDateCellPopupTransient::OnCalendar( wxCalendarEvent &event )
+void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
{
- wxDateTime date = event.GetDate();
- wxVariant value = date;
- m_model->SetValue( value, m_col, m_row );
- m_model->ValueChanged( m_col, m_row );
+ m_model->ChangeValue( event.GetDate(), m_item, m_col );
DismissAndNotify();
}
-IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateCell, wxDataViewCustomCell)
+#endif // wxUSE_DATE_RENDERER_POPUP
+
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewRenderer)
+
+wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
+ wxDataViewCellMode mode, int align ) :
+ wxDataViewRenderer( varianttype, mode, align )
+{
+}
+
+bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
+{
+ m_date = value.GetDateTime();
+
+ return true;
+}
+
+bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
+{
+ value = m_date;
+ return true;
+}
+
+bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
+{
+ wxString tmp = m_date.FormatDate();
+ RenderText( tmp, 0, cell, dc, state );
+ return true;
+}
+
+wxSize wxDataViewDateRenderer::GetSize() const
+{
+ return GetTextExtent(m_date.FormatDate());
+}
+
+void wxDataViewDateRenderer::WXOnActivate(wxDataViewModel *model,
+ const wxVariant& valueOld,
+ const wxDataViewItem & item,
+ unsigned int col )
+{
+ wxDateTime dtOld = valueOld.GetDateTime();
+
+#if wxUSE_DATE_RENDERER_POPUP
+ wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
+ GetOwner()->GetOwner()->GetParent(), &dtOld, model, item, col);
+ wxPoint pos = wxGetMousePosition();
+ popup->Move( pos );
+ popup->Layout();
+ popup->Popup( popup->m_cal );
+#else // !wxUSE_DATE_RENDERER_POPUP
+ wxMessageBox(dtOld.Format());
+#endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
+}
+
+// ---------------------------------------------------------
+// wxDataViewIconTextRenderer
+// ---------------------------------------------------------
+
+IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewRenderer)
+
+wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
+const wxString &varianttype, wxDataViewCellMode mode, int align ) :
+ wxDataViewRenderer( varianttype, mode, align )
+{
+ SetMode(mode);
+ SetAlignment(align);
+}
+
+bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
+{
+ m_value << value;
+ return true;
+}
+
+bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
+{
+ return false;
+}
+
+bool wxDataViewIconTextRenderer::Render(wxRect rect, wxDC *dc, int state)
+{
+ int xoffset = 0;
+
+ const wxIcon& icon = m_value.GetIcon();
+ if ( icon.IsOk() )
+ {
+ dc->DrawIcon(icon, rect.x, rect.y + (rect.height - icon.GetHeight())/2);
+ xoffset = icon.GetWidth()+4;
+ }
+
+ RenderText(m_value.GetText(), xoffset, rect, dc, state);
+
+ return true;
+}
+
+wxSize wxDataViewIconTextRenderer::GetSize() const
+{
+ if (!m_value.GetText().empty())
+ {
+ wxSize size = GetTextExtent(m_value.GetText());
+
+ if (m_value.GetIcon().IsOk())
+ size.x += m_value.GetIcon().GetWidth() + 4;
+ return size;
+ }
+ return wxSize(80,20);
+}
+
+wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
+{
+ wxDataViewIconText iconText;
+ iconText << value;
+
+ wxString text = iconText.GetText();
+
+ // adjust the label rect to take the width of the icon into account
+ if (iconText.GetIcon().IsOk())
+ {
+ int w = iconText.GetIcon().GetWidth() + 4;
+ labelRect.x += w;
+ labelRect.width -= w;
+ }
+
+ wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
+ wxPoint(labelRect.x,labelRect.y),
+ wxSize(labelRect.width,labelRect.height) );
+
+ // select the text in the control an place the cursor at the end
+ ctrl->SetInsertionPointEnd();
+ ctrl->SelectAll();
+
+ return ctrl;
+}
+
+bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )
+{
+ wxTextCtrl *text = (wxTextCtrl*) editor;
+
+ wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
+ value << iconText;
+ return true;
+}
+
+//-----------------------------------------------------------------------------
+// wxDataViewDropTarget
+//-----------------------------------------------------------------------------
+
+#if wxUSE_DRAG_AND_DROP
+
+class wxBitmapCanvas: public wxWindow
+{
+public:
+ wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
+ wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
+ {
+ m_bitmap = bitmap;
+ Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
+ }
+
+ void OnPaint( wxPaintEvent &WXUNUSED(event) )
+ {
+ wxPaintDC dc(this);
+ dc.DrawBitmap( m_bitmap, 0, 0);
+ }
+
+ wxBitmap m_bitmap;
+};
+
+class wxDataViewDropSource: public wxDropSource
+{
+public:
+ wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
+ wxDropSource( win )
+ {
+ m_win = win;
+ m_row = row;
+ m_hint = NULL;
+ }
+
+ ~wxDataViewDropSource()
+ {
+ delete m_hint;
+ }
+
+ virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
+ {
+ wxPoint pos = wxGetMousePosition();
+
+ if (!m_hint)
+ {
+ int liney = m_win->GetLineStart( m_row );
+ int linex = 0;
+ m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
+ m_win->ClientToScreen( &linex, &liney );
+ m_dist_x = pos.x - linex;
+ m_dist_y = pos.y - liney;
+
+ int indent = 0;
+ wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
+ m_dist_x -= indent;
+ m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
+ wxPoint(pos.x - m_dist_x, pos.y + 5 ),
+ ib.GetSize(),
+ wxFRAME_TOOL_WINDOW |
+ wxFRAME_FLOAT_ON_PARENT |
+ wxFRAME_NO_TASKBAR |
+ wxNO_BORDER );
+ new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
+ m_hint->Show();
+ }
+ else
+ {
+ m_hint->Move( pos.x - m_dist_x, pos.y + 5 );
+ m_hint->SetTransparent( 128 );
+ }
+
+ return false;
+ }
+
+ wxDataViewMainWindow *m_win;
+ unsigned int m_row;
+ wxFrame *m_hint;
+ int m_dist_x,m_dist_y;
+};
+
+
+class wxDataViewDropTarget: public wxDropTarget
+{
+public:
+ wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
+ wxDropTarget( obj )
+ {
+ m_win = win;
+ }
+
+ virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
+ {
+ wxDataFormat format = GetMatchingPair();
+ if (format == wxDF_INVALID)
+ return wxDragNone;
+ return m_win->OnDragOver( format, x, y, def);
+ }
+
+ virtual bool OnDrop( wxCoord x, wxCoord y )
+ {
+ wxDataFormat format = GetMatchingPair();
+ if (format == wxDF_INVALID)
+ return false;
+ return m_win->OnDrop( format, x, y );
+ }
+
+ virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
+ {
+ wxDataFormat format = GetMatchingPair();
+ if (format == wxDF_INVALID)
+ return wxDragNone;
+ if (!GetData())
+ return wxDragNone;
+ return m_win->OnData( format, x, y, def );
+ }
+
+ virtual void OnLeave()
+ { m_win->OnLeave(); }
+
+ wxDataViewMainWindow *m_win;
+};
+
+#endif // wxUSE_DRAG_AND_DROP
+
+//-----------------------------------------------------------------------------
+// wxDataViewRenameTimer
+//-----------------------------------------------------------------------------
+
+wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
+{
+ m_owner = owner;
+}
+
+void wxDataViewRenameTimer::Notify()
+{
+ m_owner->OnRenameTimer();
+}
+
+//-----------------------------------------------------------------------------
+// wxDataViewMainWindow
+//-----------------------------------------------------------------------------
+
+// The tree building helper, declared firstly
+static void BuildTreeHelper( const wxDataViewModel * model, const wxDataViewItem & item,
+ wxDataViewTreeNode * node);
+
+int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
+{
+ if (row1 > row2) return 1;
+ if (row1 == row2) return 0;
+ return -1;
+}
+
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
+
+BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
+ EVT_PAINT (wxDataViewMainWindow::OnPaint)
+ EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
+ EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
+ EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
+ EVT_CHAR (wxDataViewMainWindow::OnChar)
+END_EVENT_TABLE()
+
+wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
+ const wxPoint &pos, const wxSize &size, const wxString &name ) :
+ wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
+ m_selection( wxDataViewSelectionCmp )
+
+{
+ SetOwner( parent );
+
+ m_lastOnSame = false;
+ m_renameTimer = new wxDataViewRenameTimer( this );
+
+ // TODO: user better initial values/nothing selected
+ m_currentCol = NULL;
+ m_currentRow = 0;
+
+ m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
+
+#if wxUSE_DRAG_AND_DROP
+ m_dragCount = 0;
+ m_dragStart = wxPoint(0,0);
+
+ m_dragEnabled = false;
+ m_dropEnabled = false;
+ m_dropHint = false;
+ m_dropHintLine = (unsigned int) -1;
+#endif // wxUSE_DRAG_AND_DROP
+
+ m_lineLastClicked = (unsigned int) -1;
+ m_lineBeforeLastClicked = (unsigned int) -1;
+ m_lineSelectSingleOnUp = (unsigned int) -1;
+
+ m_hasFocus = false;
+
+ SetBackgroundColour( *wxWHITE );
+
+ SetBackgroundStyle(wxBG_STYLE_CUSTOM);
+
+ m_penRule = wxPen(GetRuleColour());
+
+ // compose a pen whichcan draw black lines
+ // TODO: maybe there is something system colour to use
+ m_penExpander = wxPen(wxColour(0,0,0));
+
+ m_root = new wxDataViewTreeNode( NULL );
+ m_root->SetHasChildren(true);
+
+ // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
+ m_count = -1;
+ m_underMouse = NULL;
+ UpdateDisplay();
+}
+
+wxDataViewMainWindow::~wxDataViewMainWindow()
+{
+ DestroyTree();
+ delete m_renameTimer;
+}
+
+
+#if wxUSE_DRAG_AND_DROP
+bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
+{
+ m_dragFormat = format;
+ m_dragEnabled = format != wxDF_INVALID;
+
+ return true;
+}
+
+bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
+{
+ m_dropFormat = format;
+ m_dropEnabled = format != wxDF_INVALID;
+
+ if (m_dropEnabled)
+ SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
+
+ return true;
+}
+
+void wxDataViewMainWindow::RemoveDropHint()
+{
+ if (m_dropHint)
+ {
+ m_dropHint = false;
+ RefreshRow( m_dropHintLine );
+ m_dropHintLine = (unsigned int) -1;
+ }
+}
+
+wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
+ wxCoord y, wxDragResult def )
+{
+ int xx = x;
+ int yy = y;
+ m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
+ unsigned int row = GetLineAt( yy );
+
+ if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
+ {
+ RemoveDropHint();
+ return wxDragNone;
+ }
+
+ wxDataViewItem item = GetItemByRow( row );
+
+ wxDataViewModel *model = GetOwner()->GetModel();
+
+ wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
+ event.SetEventObject( m_owner );
+ event.SetItem( item );
+ event.SetModel( model );
+ event.SetDataFormat( format );
+ if (!m_owner->HandleWindowEvent( event ))
+ {
+ RemoveDropHint();
+ return wxDragNone;
+ }
+
+ if (!event.IsAllowed())
+ {
+ RemoveDropHint();
+ return wxDragNone;
+ }
+
+
+ if (m_dropHint && (row != m_dropHintLine))
+ RefreshRow( m_dropHintLine );
+ m_dropHint = true;
+ m_dropHintLine = row;
+ RefreshRow( row );
+
+ return def;
+}
+
+bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
+{
+ RemoveDropHint();
+
+ int xx = x;
+ int yy = y;
+ m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
+ unsigned int row = GetLineAt( yy );
+
+ if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
+ return false;
+
+ wxDataViewItem item = GetItemByRow( row );
+
+ wxDataViewModel *model = GetOwner()->GetModel();
+
+ wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
+ event.SetEventObject( m_owner );
+ event.SetItem( item );
+ event.SetModel( model );
+ event.SetDataFormat( format );
+ if (!m_owner->HandleWindowEvent( event ))
+ return false;
+
+ if (!event.IsAllowed())
+ return false;
+
+ return true;
+}
+
+wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
+ wxDragResult def )
+{
+ int xx = x;
+ int yy = y;
+ m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
+ unsigned int row = GetLineAt( yy );
+
+ if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
+ return wxDragNone;
+
+ wxDataViewItem item = GetItemByRow( row );
+
+ wxDataViewModel *model = GetOwner()->GetModel();
+
+ wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
+
+ wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
+ event.SetEventObject( m_owner );
+ event.SetItem( item );
+ event.SetModel( model );
+ event.SetDataFormat( format );
+ event.SetDataSize( obj->GetSize() );
+ event.SetDataBuffer( obj->GetData() );
+ if (!m_owner->HandleWindowEvent( event ))
+ return wxDragNone;
+
+ if (!event.IsAllowed())
+ return wxDragNone;
+
+ return def;
+}
+
+void wxDataViewMainWindow::OnLeave()
+{
+ RemoveDropHint();
+}
+
+wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
+{
+ int height = GetLineHeight( row );
+ int width = 0;
+ unsigned int cols = GetOwner()->GetColumnCount();
+ unsigned int col;
+ for (col = 0; col < cols; col++)
+ {
+ wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
+ if (column->IsHidden())
+ continue; // skip it!
+ width += column->GetWidth();
+ }
+
+ indent = 0;
+ if (!IsList())
+ {
+ wxDataViewTreeNode *node = GetTreeNodeByRow(row);
+ indent = GetOwner()->GetIndent() * node->GetIndentLevel();
+ indent = indent + m_lineHeight;
+ // try to use the m_lineHeight as the expander space
+
+ if(!node->HasChildren())
+ delete node;
+ }
+ width -= indent;
+
+ wxBitmap bitmap( width, height );
+ wxMemoryDC dc( bitmap );
+ dc.SetFont( GetFont() );
+ dc.SetPen( *wxBLACK_PEN );
+ dc.SetBrush( *wxWHITE_BRUSH );
+ dc.DrawRectangle( 0,0,width,height );
+
+ wxDataViewModel *model = m_owner->GetModel();
+
+ wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
+ if (!expander)
+ {
+ // TODO-RTL: last column for RTL support
+ expander = GetOwner()->GetColumnAt( 0 );
+ GetOwner()->SetExpanderColumn(expander);
+ }
+
+
+ int x = 0;
+ for (col = 0; col < cols; col++)
+ {
+ wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
+ wxDataViewRenderer *cell = column->GetRenderer();
+
+ if (column->IsHidden())
+ continue; // skip it!
+
+ width = column->GetWidth();
+
+ if (column == expander)
+ width -= indent;
+
+ wxDataViewItem item = GetItemByRow( row );
+ cell->PrepareForItem(model, item, column->GetModelColumn());
+
+ wxRect item_rect(x, 0, width, height);
+ item_rect.Deflate(PADDING_RIGHTLEFT, 0);
+
+ // dc.SetClippingRegion( item_rect );
+ cell->WXCallRender(item_rect, &dc, 0);
+ // dc.DestroyClippingRegion();
+
+ x += width;
+ }
+
+ return bitmap;
+}
+
+#endif // wxUSE_DRAG_AND_DROP
+
+
+void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
+{
+ wxDataViewModel *model = GetOwner()->GetModel();
+ wxAutoBufferedPaintDC dc( this );
+
+#ifdef __WXMSW__
+ dc.SetBrush(GetOwner()->GetBackgroundColour());
+ dc.SetPen( *wxTRANSPARENT_PEN );
+ dc.DrawRectangle(GetClientSize());
+#endif
+
+ // prepare the DC
+ GetOwner()->PrepareDC( dc );
+ dc.SetFont( GetFont() );
+
+ wxRect update = GetUpdateRegion().GetBox();
+ m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
+
+ // compute which items needs to be redrawn
+ unsigned int item_start = GetLineAt( wxMax(0,update.y) );
+ unsigned int item_count =
+ wxMin( (int)( GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
+ (int)(GetRowCount( ) - item_start));
+ unsigned int item_last = item_start + item_count;
+ // Get the parent of DataViewCtrl
+ wxWindow *parent = GetParent()->GetParent();
+ wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
+ cache_event.SetEventObject(GetParent());
+ cache_event.SetCache(item_start, item_last - 1);
+ parent->ProcessWindowEvent(cache_event);
+
+ // compute which columns needs to be redrawn
+ unsigned int cols = GetOwner()->GetColumnCount();
+ if ( !cols )
+ {
+ // we assume that we have at least one column below and painting an
+ // empty control is unnecessary anyhow
+ return;
+ }
+
+ unsigned int col_start = 0;
+ unsigned int x_start;
+ for (x_start = 0; col_start < cols; col_start++)
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
+ if (col->IsHidden())
+ continue; // skip it!
+
+ unsigned int w = col->GetWidth();
+ if (x_start+w >= (unsigned int)update.x)
+ break;
+
+ x_start += w;
+ }
+
+ unsigned int col_last = col_start;
+ unsigned int x_last = x_start;
+ for (; col_last < cols; col_last++)
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
+ if (col->IsHidden())
+ continue; // skip it!
+
+ if (x_last > (unsigned int)update.GetRight())
+ break;
+
+ x_last += col->GetWidth();
+ }
+
+ // Draw horizontal rules if required
+ if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
+ {
+ dc.SetPen(m_penRule);
+ dc.SetBrush(*wxTRANSPARENT_BRUSH);
+
+ for (unsigned int i = item_start; i <= item_last; i++)
+ {
+ int y = GetLineStart( i );
+ dc.DrawLine(x_start, y, x_last, y);
+ }
+ }
+
+ // Draw vertical rules if required
+ if ( m_owner->HasFlag(wxDV_VERT_RULES) )
+ {
+ dc.SetPen(m_penRule);
+ dc.SetBrush(*wxTRANSPARENT_BRUSH);
+
+ int x = x_start;
+ for (unsigned int i = col_start; i < col_last; i++)
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
+ if (col->IsHidden())
+ continue; // skip it
+
+ dc.DrawLine(x, GetLineStart( item_start ),
+ x, GetLineStart( item_last ) );
+
+ x += col->GetWidth();
+ }
+
+ // Draw last vertical rule
+ dc.DrawLine(x, GetLineStart( item_start ),
+ x, GetLineStart( item_last ) );
+ }
+
+ // redraw the background for the items which are selected/current
+ for (unsigned int item = item_start; item < item_last; item++)
+ {
+ bool selected = m_selection.Index( item ) != wxNOT_FOUND;
+ if (selected || item == m_currentRow)
+ {
+ int flags = selected ? (int)wxCONTROL_SELECTED : 0;
+ if (item == m_currentRow)
+ flags |= wxCONTROL_CURRENT;
+ if (m_hasFocus)
+ flags |= wxCONTROL_FOCUSED;
+
+ wxRect rect( x_start, GetLineStart( item ),
+ x_last - x_start, GetLineHeight( item ) );
+ wxRendererNative::Get().DrawItemSelectionRect
+ (
+ this,
+ dc,
+ rect,
+ flags
+ );
+ }
+ }
+
+#if wxUSE_DRAG_AND_DROP
+ if (m_dropHint)
+ {
+ wxRect rect( x_start, GetLineStart( m_dropHintLine ),
+ x_last - x_start, GetLineHeight( m_dropHintLine ) );
+ dc.SetPen( *wxBLACK_PEN );
+ dc.SetBrush( *wxTRANSPARENT_BRUSH );
+ dc.DrawRectangle( rect );
+ }
+#endif // wxUSE_DRAG_AND_DROP
+
+ wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
+ if (!expander)
+ {
+ // TODO-RTL: last column for RTL support
+ expander = GetOwner()->GetColumnAt( 0 );
+ GetOwner()->SetExpanderColumn(expander);
+ }
+
+ // redraw all cells for all rows which must be repainted and all columns
+ wxRect cell_rect;
+ cell_rect.x = x_start;
+ for (unsigned int i = col_start; i < col_last; i++)
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
+ wxDataViewRenderer *cell = col->GetRenderer();
+ cell_rect.width = col->GetWidth();
+
+ if ( col->IsHidden() || cell_rect.width <= 0 )
+ continue; // skip it!
+
+ for (unsigned int item = item_start; item < item_last; item++)
+ {
+ // get the cell value and set it into the renderer
+ wxDataViewTreeNode *node = NULL;
+ wxDataViewItem dataitem;
+
+ if (!IsVirtualList())
+ {
+ node = GetTreeNodeByRow(item);
+ if( node == NULL )
+ continue;
+
+ dataitem = node->GetItem();
+
+ if ((i > 0) && model->IsContainer(dataitem) &&
+ !model->HasContainerColumns(dataitem))
+ continue;
+ }
+ else
+ {
+ dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
+ }
+
+ cell->PrepareForItem(model, dataitem, col->GetModelColumn());
+
+ // update cell_rect
+ cell_rect.y = GetLineStart( item );
+ cell_rect.height = GetLineHeight( item );
+
+ // deal with the expander
+ int indent = 0;
+ if ((!IsList()) && (col == expander))
+ {
+ // Calculate the indent first
+ indent = GetOwner()->GetIndent() * node->GetIndentLevel();
+
+ // we reserve m_lineHeight of horizontal space for the expander
+ // but leave EXPANDER_MARGIN around the expander itself
+ int exp_x = cell_rect.x + indent + EXPANDER_MARGIN;
+
+ indent += m_lineHeight;
+
+ // draw expander if needed and visible
+ if ( node->HasChildren() && exp_x < cell_rect.GetRight() )
+ {
+ dc.SetPen( m_penExpander );
+ dc.SetBrush( wxNullBrush );
+
+ int exp_size = m_lineHeight - 2*EXPANDER_MARGIN;
+ int exp_y = cell_rect.y + (cell_rect.height - exp_size)/2
+ + EXPANDER_MARGIN - EXPANDER_OFFSET;
+
+ const wxRect rect(exp_x, exp_y, exp_size, exp_size);
+
+ int flag = 0;
+ if ( m_underMouse == node )
+ flag |= wxCONTROL_CURRENT;
+ if ( node->IsOpen() )
+ flag |= wxCONTROL_EXPANDED;
+
+ // ensure that we don't overflow the cell (which might
+ // happen if the column is very narrow)
+ wxDCClipper clip(dc, cell_rect);
+
+ wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
+ }
+
+ // force the expander column to left-center align
+ cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
+ }
+ if (node && !node->HasChildren())
+ {
+ // Yes, if the node does not have any child, it must be a leaf which
+ // mean that it is a temporarily created by GetTreeNodeByRow
+ wxDELETE(node);
+ }
+
+ wxRect item_rect = cell_rect;
+ item_rect.Deflate(PADDING_RIGHTLEFT, 0);
+
+ // account for the tree indent (harmless if we're not indented)
+ item_rect.x += indent;
+ item_rect.width -= indent;
+
+ if ( item_rect.width <= 0 )
+ continue;
+
+ int state = 0;
+ if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
+ state |= wxDATAVIEW_CELL_SELECTED;
+
+ // TODO: it would be much more efficient to create a clipping
+ // region for the entire column being rendered (in the OnPaint
+ // of wxDataViewMainWindow) instead of a single clip region for
+ // each cell. However it would mean that each renderer should
+ // respect the given wxRect's top & bottom coords, eventually
+ // violating only the left & right coords - however the user can
+ // make its own renderer and thus we cannot be sure of that.
+ wxDCClipper clip(dc, item_rect);
+
+ cell->WXCallRender(item_rect, &dc, state);
+ }
+
+ cell_rect.x += cell_rect.width;
+ }
+}
+
+void wxDataViewMainWindow::OnRenameTimer()
+{
+ // We have to call this here because changes may just have
+ // been made and no screen update taken place.
+ if ( m_dirty )
+ {
+ // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
+ // (needs to be tested!)
+ wxSafeYield();
+ }
+
+ wxDataViewItem item = GetItemByRow( m_currentRow );
+
+ wxRect labelRect = GetItemRect(item, m_currentCol);
+
+ m_currentCol->GetRenderer()->StartEditing( item, labelRect );
+}
+
+//-----------------------------------------------------------------------------
+// Helper class for do operation on the tree node
+//-----------------------------------------------------------------------------
+class DoJob
+{
+public:
+ DoJob() { }
+ virtual ~DoJob() { }
+
+ // The return value control how the tree-walker tranverse the tree
+ // 0: Job done, stop tranverse and return
+ // 1: Ignore the current node's subtree and continue
+ // 2: Job not done, continue
+ enum { OK = 0 , IGR = 1, CONT = 2 };
+ virtual int operator() ( wxDataViewTreeNode * node ) = 0;
+ virtual int operator() ( void * n ) = 0;
+};
+
+bool Walker( wxDataViewTreeNode * node, DoJob & func )
+{
+ if( node==NULL )
+ return false;
+
+ switch( func( node ) )
+ {
+ case DoJob::OK :
+ return true;
+ case DoJob::IGR:
+ return false;
+ case DoJob::CONT:
+ default:
+ ;
+ }
+
+ const wxDataViewTreeNodes& nodes = node->GetNodes();
+ const wxDataViewTreeLeaves& leaves = node->GetChildren();
+
+ int len_nodes = nodes.GetCount();
+ int len = leaves.GetCount();
+ int i = 0, nodes_i = 0;
+
+ for(; i < len; i ++ )
+ {
+ void * n = leaves[i];
+ if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
+ {
+ wxDataViewTreeNode * nd = nodes[nodes_i];
+ nodes_i++;
+
+ if( Walker( nd , func ) )
+ return true;
+
+ }
+ else
+ switch( func( n ) )
+ {
+ case DoJob::OK :
+ return true;
+ case DoJob::IGR:
+ continue;
+ case DoJob::CONT:
+ default:
+ ;
+ }
+ }
+ return false;
+}
+
+bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
+{
+ GetOwner()->InvalidateColBestWidths();
+
+ if (IsVirtualList())
+ {
+ wxDataViewVirtualListModel *list_model =
+ (wxDataViewVirtualListModel*) GetOwner()->GetModel();
+ m_count = list_model->GetCount();
+ UpdateDisplay();
+ return true;
+ }
+
+ SortPrepare();
+
+ wxDataViewTreeNode * node;
+ node = FindNode(parent);
+
+ if( node == NULL )
+ return false;
+
+ node->SetHasChildren( true );
+
+ if( g_model->IsContainer( item ) )
+ {
+ wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
+ newnode->SetItem(item);
+ newnode->SetHasChildren( true );
+ node->AddNode( newnode);
+ }
+ else
+ node->AddLeaf( item.GetID() );
+
+ node->ChangeSubTreeCount(1);
+
+ m_count = -1;
+ UpdateDisplay();
+
+ return true;
+}
+
+static void DestroyTreeHelper( wxDataViewTreeNode * node);
+
+bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
+ const wxDataViewItem& item)
+{
+ GetOwner()->InvalidateColBestWidths();
+
+ if (IsVirtualList())
+ {
+ wxDataViewVirtualListModel *list_model =
+ (wxDataViewVirtualListModel*) GetOwner()->GetModel();
+ m_count = list_model->GetCount();
+
+ if( m_currentRow > GetRowCount() )
+ m_currentRow = m_count - 1;
+
+ // TODO: why empty the entire selection?
+ m_selection.Empty();
+
+ UpdateDisplay();
+
+ return true;
+ }
+
+ wxDataViewTreeNode * node = FindNode(parent);
+
+ // Notice that it is possible that the item being deleted is not in the
+ // tree at all, for example we could be deleting a never shown (because
+ // collapsed) item in a tree model. So it's not an error if we don't know
+ // about this item, just return without doing anything then.
+ if ( !node || node->GetChildren().Index(item.GetID()) == wxNOT_FOUND )
+ return false;
+
+ int sub = -1;
+ node->GetChildren().Remove( item.GetID() );
+ // Manipolate selection
+ if( m_selection.GetCount() > 1 )
+ {
+ m_selection.Empty();
+ }
+ bool isContainer = false;
+ wxDataViewTreeNodes nds = node->GetNodes();
+ for (size_t i = 0; i < nds.GetCount(); i ++)
+ {
+ if (nds[i]->GetItem() == item)
+ {
+ isContainer = true;
+ break;
+ }
+ }
+ if( isContainer )
+ {
+ wxDataViewTreeNode * n = NULL;
+ wxDataViewTreeNodes nodes = node->GetNodes();
+ int len = nodes.GetCount();
+ for( int i = 0; i < len; i ++)
+ {
+ if( nodes[i]->GetItem() == item )
+ {
+ n = nodes[i];
+ break;
+ }
+ }
+
+ wxCHECK_MSG( n != NULL, false, "item not found" );
+
+ node->GetNodes().Remove( n );
+ sub -= n->GetSubTreeCount();
+ ::DestroyTreeHelper(n);
+ }
+ // Make the row number invalid and get a new valid one when user call GetRowCount
+ m_count = -1;
+ node->ChangeSubTreeCount(sub);
+
+ // Change the current row to the last row if the current exceed the max row number
+ if( m_currentRow > GetRowCount() )
+ m_currentRow = m_count - 1;
+
+ UpdateDisplay();
+
+ return true;
+}
+
+bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
+{
+ GetOwner()->InvalidateColBestWidths();
+
+ SortPrepare();
+ g_model->Resort();
+
+ // Send event
+ wxWindow *parent = GetParent();
+ wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
+ le.SetEventObject(parent);
+ le.SetModel(GetOwner()->GetModel());
+ le.SetItem(item);
+ parent->GetEventHandler()->ProcessEvent(le);
+
+ return true;
+}
+
+bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int model_column )
+{
+ int view_column = -1;
+ unsigned int n_col = m_owner->GetColumnCount();
+ for (unsigned i = 0; i < n_col; i++)
+ {
+ wxDataViewColumn *column = m_owner->GetColumn( i );
+ if (column->GetModelColumn() == model_column)
+ {
+ view_column = (int) i;
+ break;
+ }
+ }
+ if (view_column == -1)
+ return false;
+
+ GetOwner()->InvalidateColBestWidth(view_column);
+
+ // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
+/*#define MAX_VIRTUAL_WIDTH 100000
+
+ wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
+ m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
+ Refresh( true, &rect );
+
+ return true;
+*/
+ SortPrepare();
+ g_model->Resort();
+
+ // Send event
+ wxWindow *parent = GetParent();
+ wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
+ le.SetEventObject(parent);
+ le.SetModel(GetOwner()->GetModel());
+ le.SetItem(item);
+ le.SetColumn(view_column);
+ le.SetDataViewColumn(GetOwner()->GetColumn(view_column));
+ parent->GetEventHandler()->ProcessEvent(le);
+
+ return true;
+}
+
+bool wxDataViewMainWindow::Cleared()
+{
+ GetOwner()->InvalidateColBestWidths();
+
+ DestroyTree();
+ m_selection.Clear();
+
+ SortPrepare();
+ BuildTree( GetOwner()->GetModel() );
+
+ UpdateDisplay();
+
+ return true;
+}
+
+void wxDataViewMainWindow::UpdateDisplay()
+{
+ m_dirty = true;
+ m_underMouse = NULL;
+}
+
+void wxDataViewMainWindow::OnInternalIdle()
+{
+ wxWindow::OnInternalIdle();
+
+ if (m_dirty)
+ {
+ RecalculateDisplay();
+ m_dirty = false;
+ }
+}
+
+void wxDataViewMainWindow::RecalculateDisplay()
+{
+ wxDataViewModel *model = GetOwner()->GetModel();
+ if (!model)
+ {
+ Refresh();
+ return;
+ }
+
+ int width = GetEndOfLastCol();
+ int height = GetLineStart( GetRowCount() );
+
+ SetVirtualSize( width, height );
+ GetOwner()->SetScrollRate( 10, m_lineHeight );
+
+ Refresh();
+}
+
+void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
+{
+ m_underMouse = NULL;
+
+ wxWindow::ScrollWindow( dx, dy, rect );
+
+ if (GetOwner()->m_headerArea)
+ GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
+}
+
+void wxDataViewMainWindow::ScrollTo( int rows, int column )
+{
+ m_underMouse = NULL;
+
+ int x, y;
+ m_owner->GetScrollPixelsPerUnit( &x, &y );
+ int sy = GetLineStart( rows )/y;
+ int sx = 0;
+ if( column != -1 )
+ {
+ wxRect rect = GetClientRect();
+ int colnum = 0;
+ int x_start, w = 0;
+ int xx, yy, xe;
+ m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
+ for (x_start = 0; colnum < column; colnum++)
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
+ if (col->IsHidden())
+ continue; // skip it!
+
+ w = col->GetWidth();
+ x_start += w;
+ }
+
+ int x_end = x_start + w;
+ xe = xx + rect.width;
+ if( x_end > xe )
+ {
+ sx = ( xx + x_end - xe )/x;
+ }
+ if( x_start < xx )
+ {
+ sx = x_start/x;
+ }
+ }
+ m_owner->Scroll( sx, sy );
+}
+
+int wxDataViewMainWindow::GetCountPerPage() const
+{
+ wxSize size = GetClientSize();
+ return size.y / m_lineHeight;
+}
+
+int wxDataViewMainWindow::GetEndOfLastCol() const
+{
+ int width = 0;
+ unsigned int i;
+ for (i = 0; i < GetOwner()->GetColumnCount(); i++)
+ {
+ const wxDataViewColumn *c =
+ const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
+
+ if (!c->IsHidden())
+ width += c->GetWidth();
+ }
+ return width;
+}
+
+unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
+{
+ int x = 0;
+ int y = 0;
+ m_owner->CalcUnscrolledPosition( x, y, &x, &y );
+
+ return GetLineAt( y );
+}
+
+unsigned int wxDataViewMainWindow::GetLastVisibleRow()
+{
+ wxSize client_size = GetClientSize();
+ m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
+ &client_size.x, &client_size.y );
+
+ // we should deal with the pixel here
+ unsigned int row = GetLineAt(client_size.y) - 1;
+
+ return wxMin( GetRowCount()-1, row );
+}
+
+unsigned int wxDataViewMainWindow::GetRowCount()
+{
+ if ( m_count == -1 )
+ {
+ m_count = RecalculateCount();
+ UpdateDisplay();
+ }
+ return m_count;
+}
+
+void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
+{
+ m_currentRow = row;
+
+ // send event
+}
+
+void wxDataViewMainWindow::SelectAllRows( bool on )
+{
+ if (IsEmpty())
+ return;
+
+ if (on)
+ {
+ m_selection.Clear();
+ for (unsigned int i = 0; i < GetRowCount(); i++)
+ m_selection.Add( i );
+ Refresh();
+ }
+ else
+ {
+ unsigned int first_visible = GetFirstVisibleRow();
+ unsigned int last_visible = GetLastVisibleRow();
+ unsigned int i;
+ for (i = 0; i < m_selection.GetCount(); i++)
+ {
+ unsigned int row = m_selection[i];
+ if ((row >= first_visible) && (row <= last_visible))
+ RefreshRow( row );
+ }
+ m_selection.Clear();
+ }
+}
+
+void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
+{
+ if (m_selection.Index( row ) == wxNOT_FOUND)
+ {
+ if (on)
+ {
+ m_selection.Add( row );
+ RefreshRow( row );
+ }
+ }
+ else
+ {
+ if (!on)
+ {
+ m_selection.Remove( row );
+ RefreshRow( row );
+ }
+ }
+}
+
+void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
+{
+ if (from > to)
+ {
+ unsigned int tmp = from;
+ from = to;
+ to = tmp;
+ }
+
+ unsigned int i;
+ for (i = from; i <= to; i++)
+ {
+ if (m_selection.Index( i ) == wxNOT_FOUND)
+ {
+ if (on)
+ m_selection.Add( i );
+ }
+ else
+ {
+ if (!on)
+ m_selection.Remove( i );
+ }
+ }
+ RefreshRows( from, to );
+}
+
+void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
+{
+ for (size_t i=0; i < aSelections.GetCount(); i++)
+ {
+ int n = aSelections[i];
+
+ m_selection.Add( n );
+ RefreshRow( n );
+ }
+}
+
+void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
+{
+ if (m_selection.Index( row ) == wxNOT_FOUND)
+ m_selection.Add( row );
+ else
+ m_selection.Remove( row );
+ RefreshRow( row );
+}
+
+bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
+{
+ return (m_selection.Index( row ) != wxNOT_FOUND);
+}
+
+void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
+{
+ wxWindow *parent = GetParent();
+ wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
+
+ le.SetEventObject(parent);
+ le.SetModel(GetOwner()->GetModel());
+ le.SetItem( item );
+
+ parent->GetEventHandler()->ProcessEvent(le);
+}
+
+void wxDataViewMainWindow::RefreshRow( unsigned int row )
+{
+ wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
+ m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
+
+ wxSize client_size = GetClientSize();
+ wxRect client_rect( 0, 0, client_size.x, client_size.y );
+ wxRect intersect_rect = client_rect.Intersect( rect );
+ if (intersect_rect.width > 0)
+ Refresh( true, &intersect_rect );
+}
+
+void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
+{
+ if (from > to)
+ {
+ unsigned int tmp = to;
+ to = from;
+ from = tmp;
+ }
+
+ wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
+ m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
+
+ wxSize client_size = GetClientSize();
+ wxRect client_rect( 0, 0, client_size.x, client_size.y );
+ wxRect intersect_rect = client_rect.Intersect( rect );
+ if (intersect_rect.width > 0)
+ Refresh( true, &intersect_rect );
+}
+
+void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
+{
+ wxSize client_size = GetClientSize();
+ int start = GetLineStart( firstRow );
+ m_owner->CalcScrolledPosition( start, 0, &start, NULL );
+ if (start > client_size.y) return;
+
+ wxRect rect( 0, start, client_size.x, client_size.y - start );
+
+ Refresh( true, &rect );
+}
+
+void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
+{
+ wxCHECK_RET( newCurrent < GetRowCount(),
+ wxT("invalid item index in OnArrowChar()") );
+
+ // if there is no selection, we cannot move it anywhere
+ if (!HasCurrentRow())
+ return;
+
+ unsigned int oldCurrent = m_currentRow;
+
+ // in single selection we just ignore Shift as we can't select several
+ // items anyhow
+ if ( event.ShiftDown() && !IsSingleSel() )
+ {
+ RefreshRow( oldCurrent );
+
+ ChangeCurrentRow( newCurrent );
+
+ // select all the items between the old and the new one
+ if ( oldCurrent > newCurrent )
+ {
+ newCurrent = oldCurrent;
+ oldCurrent = m_currentRow;
+ }
+
+ SelectRows( oldCurrent, newCurrent, true );
+ if (oldCurrent!=newCurrent)
+ SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
+ }
+ else // !shift
+ {
+ RefreshRow( oldCurrent );
+
+ // all previously selected items are unselected unless ctrl is held
+ if ( !event.ControlDown() )
+ SelectAllRows(false);
+
+ ChangeCurrentRow( newCurrent );
+
+ if ( !event.ControlDown() )
+ {
+ SelectRow( m_currentRow, true );
+ SendSelectionChangedEvent(GetItemByRow(m_currentRow));
+ }
+ else
+ RefreshRow( m_currentRow );
+ }
+
+ GetOwner()->EnsureVisible( m_currentRow, -1 );
+}
+
+wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
+{
+ wxRect rect;
+ rect.x = 0;
+ rect.y = GetLineStart( row );
+ rect.width = GetEndOfLastCol();
+ rect.height = GetLineHeight( row );
+
+ return rect;
+}
+
+int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
+{
+ const wxDataViewModel *model = GetOwner()->GetModel();
+
+ if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
+ {
+ // TODO make more efficient
+
+ int start = 0;
+
+ unsigned int r;
+ for (r = 0; r < row; r++)
+ {
+ const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
+ if (!node) return start;
+
+ wxDataViewItem item = node->GetItem();
+
+ if (node && !node->HasChildren())
+ {
+ // Yes, if the node does not have any child, it must be a leaf which
+ // mean that it is a temporarily created by GetTreeNodeByRow
+ wxDELETE(node);
+ }
+
+ unsigned int cols = GetOwner()->GetColumnCount();
+ unsigned int col;
+ int height = m_lineHeight;
+ for (col = 0; col < cols; col++)
+ {
+ const wxDataViewColumn *column = GetOwner()->GetColumn(col);
+ if (column->IsHidden())
+ continue; // skip it!
+
+ if ((col != 0) &&
+ model->IsContainer(item) &&
+ !model->HasContainerColumns(item))
+ continue; // skip it!
+
+ wxDataViewRenderer *renderer =
+ const_cast<wxDataViewRenderer*>(column->GetRenderer());
+ renderer->PrepareForItem(model, item, column->GetModelColumn());
+
+ height = wxMax( height, renderer->GetSize().y );
+ }
+
+ start += height;
+ }
+
+ return start;
+ }
+ else
+ {
+ return row * m_lineHeight;
+ }
+}
+
+int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
+{
+ const wxDataViewModel *model = GetOwner()->GetModel();
+
+ // check for the easy case first
+ if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
+ return y / m_lineHeight;
+
+ // TODO make more efficient
+ unsigned int row = 0;
+ unsigned int yy = 0;
+ for (;;)
+ {
+ const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
+ if (!node)
+ {
+ // not really correct...
+ return row + ((y-yy) / m_lineHeight);
+ }
+
+ wxDataViewItem item = node->GetItem();
+
+ if (node && !node->HasChildren())
+ {
+ // Yes, if the node does not have any child, it must be a leaf which
+ // mean that it is a temporarily created by GetTreeNodeByRow
+ wxDELETE(node);
+ }
+
+ unsigned int cols = GetOwner()->GetColumnCount();
+ unsigned int col;
+ int height = m_lineHeight;
+ for (col = 0; col < cols; col++)
+ {
+ const wxDataViewColumn *column = GetOwner()->GetColumn(col);
+ if (column->IsHidden())
+ continue; // skip it!
+
+ if ((col != 0) &&
+ model->IsContainer(item) &&
+ !model->HasContainerColumns(item))
+ continue; // skip it!
+
+ wxDataViewRenderer *renderer =
+ const_cast<wxDataViewRenderer*>(column->GetRenderer());
+ renderer->PrepareForItem(model, item, column->GetModelColumn());
+
+ height = wxMax( height, renderer->GetSize().y );
+ }
+
+ yy += height;
+ if (y < yy)
+ return row;
+
+ row++;
+ }
+}
+
+int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
+{
+ const wxDataViewModel *model = GetOwner()->GetModel();
+
+ if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
+ {
+ wxASSERT( !IsVirtualList() );
+
+ const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
+ // wxASSERT( node );
+ if (!node) return m_lineHeight;
+
+ wxDataViewItem item = node->GetItem();
+
+ if (node && !node->HasChildren())
+ {
+ // Yes, if the node does not have any child, it must be a leaf which
+ // mean that it is a temporarily created by GetTreeNodeByRow
+ wxDELETE(node);
+ }
+
+ int height = m_lineHeight;
+
+ unsigned int cols = GetOwner()->GetColumnCount();
+ unsigned int col;
+ for (col = 0; col < cols; col++)
+ {
+ const wxDataViewColumn *column = GetOwner()->GetColumn(col);
+ if (column->IsHidden())
+ continue; // skip it!
+
+ if ((col != 0) &&
+ model->IsContainer(item) &&
+ !model->HasContainerColumns(item))
+ continue; // skip it!
+
+ wxDataViewRenderer *renderer =
+ const_cast<wxDataViewRenderer*>(column->GetRenderer());
+ renderer->PrepareForItem(model, item, column->GetModelColumn());
+
+ height = wxMax( height, renderer->GetSize().y );
+ }
+
+ return height;
+ }
+ else
+ {
+ return m_lineHeight;
+ }
+}
+
+class RowToItemJob: public DoJob
+{
+public:
+ RowToItemJob( unsigned int row , int current )
+ { this->row = row; this->current = current; }
+ virtual ~RowToItemJob() {}
+
+ virtual int operator() ( wxDataViewTreeNode * node )
+ {
+ current ++;
+ if( current == static_cast<int>(row))
+ {
+ ret = node->GetItem();
+ return DoJob::OK;
+ }
+
+ if( node->GetSubTreeCount() + current < static_cast<int>(row) )
+ {
+ current += node->GetSubTreeCount();
+ return DoJob::IGR;
+ }
+ else
+ {
+ // If the current has no child node, we can find the desired item of the row
+ // number directly.
+ // This if can speed up finding in some case, and will has a very good effect
+ // when it comes to list view
+ if( node->GetNodes().GetCount() == 0)
+ {
+ int index = static_cast<int>(row) - current - 1;
+ ret = node->GetChildren().Item( index );
+ return DoJob::OK;
+ }
+ return DoJob::CONT;
+ }
+ }
+
+ virtual int operator() ( void * n )
+ {
+ current ++;
+ if( current == static_cast<int>(row))
+ {
+ ret = wxDataViewItem( n );
+ return DoJob::OK;
+ }
+ return DoJob::CONT;
+ }
+
+ wxDataViewItem GetResult() const
+ { return ret; }
+
+private:
+ unsigned int row;
+ int current;
+ wxDataViewItem ret;
+};
+
+wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
+{
+ if (IsVirtualList())
+ {
+ return wxDataViewItem( wxUIntToPtr(row+1) );
+ }
+ else
+ {
+ RowToItemJob job( row, -2 );
+ Walker( m_root , job );
+ return job.GetResult();
+ }
+}
+
+class RowToTreeNodeJob: public DoJob
+{
+public:
+ RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
+ {
+ this->row = row;
+ this->current = current;
+ ret = NULL;
+ parent = node;
+ }
+ virtual ~RowToTreeNodeJob(){ }
+
+ virtual int operator() ( wxDataViewTreeNode * node )
+ {
+ current ++;
+ if( current == static_cast<int>(row))
+ {
+ ret = node;
+ return DoJob::OK;
+ }
+
+ if( node->GetSubTreeCount() + current < static_cast<int>(row) )
+ {
+ current += node->GetSubTreeCount();
+ return DoJob::IGR;
+ }
+ else
+ {
+ parent = node;
+
+ // If the current node has no children, we can find the desired item of the
+ // row number directly.
+ // This if can speed up finding in some case, and will have a very good
+ // effect for list views.
+ if( node->GetNodes().GetCount() == 0)
+ {
+ int index = static_cast<int>(row) - current - 1;
+ void * n = node->GetChildren().Item( index );
+ ret = new wxDataViewTreeNode( parent );
+ ret->SetItem( wxDataViewItem( n ));
+ ret->SetHasChildren(false);
+ return DoJob::OK;
+ }
+ return DoJob::CONT;
+ }
+ }
+
+ virtual int operator() ( void * n )
+ {
+ current ++;
+ if( current == static_cast<int>(row))
+ {
+ ret = new wxDataViewTreeNode( parent );
+ ret->SetItem( wxDataViewItem( n ));
+ ret->SetHasChildren(false);
+ return DoJob::OK;
+ }
+
+ return DoJob::CONT;
+ }
+
+ wxDataViewTreeNode * GetResult() const
+ { return ret; }
+
+private:
+ unsigned int row;
+ int current;
+ wxDataViewTreeNode * ret;
+ wxDataViewTreeNode * parent;
+};
+
+wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
+{
+ wxASSERT( !IsVirtualList() );
+
+ RowToTreeNodeJob job( row , -2, m_root );
+ Walker( m_root , job );
+ return job.GetResult();
+}
+
+wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
+ const wxDataViewItem & item )
+{
+ wxWindow *parent = GetParent();
+ wxDataViewEvent le(type, parent->GetId());
+
+ le.SetEventObject(parent);
+ le.SetModel(GetOwner()->GetModel());
+ le.SetItem( item );
+
+ parent->GetEventHandler()->ProcessEvent(le);
+ return le;
+}
+
+bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
+{
+ if (IsList())
+ return false;
+
+ wxDataViewTreeNode * node = GetTreeNodeByRow(row);
+ if (!node)
+ return false;
+
+ if (!node->HasChildren())
+ {
+ delete node;
+ return false;
+ }
+
+ return node->IsOpen();
+}
+
+bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
+{
+ if (IsList())
+ return false;
+
+ wxDataViewTreeNode * node = GetTreeNodeByRow(row);
+ if (!node)
+ return false;
+
+ if (!node->HasChildren())
+ {
+ delete node;
+ return false;
+ }
+
+ return true;
+}
+
+void wxDataViewMainWindow::Expand( unsigned int row )
+{
+ if (IsList())
+ return;
+
+ wxDataViewTreeNode * node = GetTreeNodeByRow(row);
+ if (!node)
+ return;
+
+ if (!node->HasChildren())
+ {
+ delete node;
+ return;
+ }
+
+ if (!node->IsOpen())
+ {
+ wxDataViewEvent e =
+ SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
+
+ // Check if the user prevent expanding
+ if( e.GetSkipped() )
+ return;
+
+ node->ToggleOpen();
+
+ // build the children of current node
+ if( node->GetChildrenNumber() == 0 )
+ {
+ SortPrepare();
+ ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
+ }
+
+ // By expanding the node all row indices that are currently in the selection list
+ // and are greater than our node have become invalid. So we have to correct that now.
+ const unsigned rowAdjustment = node->GetSubTreeCount();
+ for(unsigned i=0; i<m_selection.size(); ++i)
+ {
+ const unsigned testRow = m_selection[i];
+ // all rows above us are not affected, so skip them
+ if(testRow <= row)
+ continue;
+
+ m_selection[i] += rowAdjustment;
+ }
+
+ if(m_currentRow > row)
+ ChangeCurrentRow(m_currentRow + rowAdjustment);
+
+ m_count = -1;
+ UpdateDisplay();
+ // Send the expanded event
+ SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
+ }
+}
+
+void wxDataViewMainWindow::Collapse(unsigned int row)
+{
+ if (IsList())
+ return;
+
+ wxDataViewTreeNode *node = GetTreeNodeByRow(row);
+ if (!node)
+ return;
+
+ if (!node->HasChildren())
+ {
+ delete node;
+ return;
+ }
+
+ if (node->IsOpen())
+ {
+ wxDataViewEvent e =
+ SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
+ if( e.GetSkipped() )
+ return;
+
+ // Find out if there are selected items below the current node.
+ bool selectCollapsingRow = false;
+ const unsigned rowAdjustment = node->GetSubTreeCount();
+ unsigned maxRowToBeTested = row + rowAdjustment;
+ for(unsigned i=0; i<m_selection.size(); ++i)
+ {
+ const unsigned testRow = m_selection[i];
+ if(testRow > row && testRow <= maxRowToBeTested)
+ {
+ selectCollapsingRow = true;
+ // get out as soon as we have found a node that is selected
+ break;
+ }
+ }
+
+ node->ToggleOpen();
+
+ // If the node to be closed has selected items the user won't see those any longer.
+ // We select the collapsing node in this case.
+ if(selectCollapsingRow)
+ {
+ SelectAllRows(false);
+ ChangeCurrentRow(row);
+ SelectRow(row, true);
+ SendSelectionChangedEvent(GetItemByRow(row));
+ }
+ else
+ {
+ // if there were no selected items below our node we still need to "fix" the
+ // selection list to adjust for the changing of the row indices.
+ // We actually do the opposite of what we are doing in Expand().
+ for(unsigned i=0; i<m_selection.size(); ++i)
+ {
+ const unsigned testRow = m_selection[i];
+ // all rows above us are not affected, so skip them
+ if(testRow <= row)
+ continue;
+
+ m_selection[i] -= rowAdjustment;
+ }
+
+ // if the "current row" is being collapsed away we change it to the current row ;-)
+ if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
+ ChangeCurrentRow(row);
+ else if(m_currentRow > row)
+ ChangeCurrentRow(m_currentRow - rowAdjustment);
+ }
+
+ m_count = -1;
+ UpdateDisplay();
+ SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
+ }
+}
+
+wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
+{
+ const wxDataViewModel * model = GetOwner()->GetModel();
+ if( model == NULL )
+ return NULL;
+
+ if (!item.IsOk())
+ return m_root;
+
+ // Compose the parent-chain for the item we are looking for
+ wxVector<wxDataViewItem> parentChain;
+ wxDataViewItem it( item );
+ while( it.IsOk() )
+ {
+ parentChain.push_back(it);
+ it = model->GetParent(it);
+ }
+
+ // Find the item along the parent-chain.
+ // This algorithm is designed to speed up the node-finding method
+ wxDataViewTreeNode* node = m_root;
+ for( unsigned iter = parentChain.size()-1; iter>=0; --iter )
+ {
+ if( node->HasChildren() )
+ {
+ if( node->GetChildrenNumber() == 0 )
+ {
+ SortPrepare();
+ ::BuildTreeHelper(model, node->GetItem(), node);
+ }
+
+ const wxDataViewTreeNodes& nodes = node->GetNodes();
+ bool found = false;
+
+ for (unsigned i = 0; i < nodes.GetCount(); ++i)
+ {
+ wxDataViewTreeNode* currentNode = nodes[i];
+ if (currentNode->GetItem() == parentChain[iter])
+ {
+ if (currentNode->GetItem() == item)
+ return currentNode;
+
+ node = currentNode;
+ found = true;
+ break;
+ }
+ }
+ if (!found)
+ return NULL;
+ }
+ else
+ return NULL;
+ }
+ return NULL;
+}
+
+void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
+ wxDataViewColumn* &column )
+{
+ wxDataViewColumn *col = NULL;
+ unsigned int cols = GetOwner()->GetColumnCount();
+ unsigned int colnum = 0;
+ int x, y;
+ m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
+ for (unsigned x_start = 0; colnum < cols; colnum++)
+ {
+ col = GetOwner()->GetColumnAt(colnum);
+ if (col->IsHidden())
+ continue; // skip it!
+
+ unsigned int w = col->GetWidth();
+ if (x_start+w >= (unsigned int)x)
+ break;
+
+ x_start += w;
+ }
+
+ column = col;
+ item = GetItemByRow( GetLineAt( y ) );
+}
+
+wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
+ const wxDataViewColumn* column )
+{
+ int xpos = 0;
+ int width = 0;
+
+ unsigned int cols = GetOwner()->GetColumnCount();
+ // If column is null the loop will compute the combined width of all columns.
+ // Otherwise, it will compute the x position of the column we are looking for.
+ for (unsigned int i = 0; i < cols; i++)
+ {
+ wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
+
+ if (col == column)
+ break;
+
+ if (col->IsHidden())
+ continue; // skip it!
+
+ xpos += col->GetWidth();
+ width += col->GetWidth();
+ }
+
+ if(column != 0)
+ {
+ // If we have a column, we need can get its width directly.
+ if(column->IsHidden())
+ width = 0;
+ else
+ width = column->GetWidth();
+
+ }
+ else
+ {
+ // If we have no column, we reset the x position back to zero.
+ xpos = 0;
+ }
+
+ // we have to take an expander column into account and compute its indentation
+ // to get the correct x position where the actual text is
+ int indent = 0;
+ int row = GetRowByItem(item);
+ if (!IsList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
+ {
+ wxDataViewTreeNode* node = GetTreeNodeByRow(row);
+ indent = GetOwner()->GetIndent() * node->GetIndentLevel();
+ indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
+
+ if(!node->HasChildren())
+ delete node;
+ }
+
+ wxRect itemRect( xpos + indent,
+ GetLineStart( row ),
+ width - indent,
+ GetLineHeight( row ) );
+
+ GetOwner()->CalcScrolledPosition( itemRect.x, itemRect.y,
+ &itemRect.x, &itemRect.y );
+
+ return itemRect;
+}
+
+int wxDataViewMainWindow::RecalculateCount()
+{
+ if (IsVirtualList())
+ {
+ wxDataViewVirtualListModel *list_model =
+ (wxDataViewVirtualListModel*) GetOwner()->GetModel();
+
+ return list_model->GetCount();
+ }
+ else
+ {
+ return m_root->GetSubTreeCount();
+ }
+}
+
+class ItemToRowJob : public DoJob
+{
+public:
+ ItemToRowJob(const wxDataViewItem& item_, wxVector<wxDataViewItem>::reverse_iterator iter)
+ : m_iter(iter),
+ item(item_)
+ {
+ ret = -1;
+ }
+
+ // Maybe binary search will help to speed up this process
+ virtual int operator() ( wxDataViewTreeNode * node)
+ {
+ ret ++;
+ if( node->GetItem() == item )
+ {
+ return DoJob::OK;
+ }
+
+ if( node->GetItem() == *m_iter )
+ {
+ m_iter++;
+ return DoJob::CONT;
+ }
+ else
+ {
+ ret += node->GetSubTreeCount();
+ return DoJob::IGR;
+ }
+
+ }
+
+ virtual int operator() ( void * n )
+ {
+ ret ++;
+ if( n == item.GetID() )
+ return DoJob::OK;
+ return DoJob::CONT;
+ }
+
+ // the row number is begin from zero
+ int GetResult() const
+ { return ret -1; }
+
+private:
+ wxVector<wxDataViewItem>::reverse_iterator m_iter;
+ wxDataViewItem item;
+ int ret;
+
+};
+
+int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
+{
+ const wxDataViewModel * model = GetOwner()->GetModel();
+ if( model == NULL )
+ return -1;
+
+ if (IsVirtualList())
+ {
+ return wxPtrToUInt( item.GetID() ) -1;
+ }
+ else
+ {
+ if( !item.IsOk() )
+ return -1;
+
+ // Compose the parent-chain of the item we are looking for
+ wxVector<wxDataViewItem> parentChain;
+ wxDataViewItem it( item );
+ while( it.IsOk() )
+ {
+ parentChain.push_back(it);
+ it = model->GetParent(it);
+ }
+
+ // add an 'invalid' item to represent our 'invisible' root node
+ parentChain.push_back(wxDataViewItem());
+
+ // the parent chain was created by adding the deepest parent first.
+ // so if we want to start at the root node, we have to iterate backwards through the vector
+ ItemToRowJob job( item, parentChain.rbegin() );
+ Walker( m_root, job );
+ return job.GetResult();
+ }
+}
+
+static void BuildTreeHelper( const wxDataViewModel * model, const wxDataViewItem & item,
+ wxDataViewTreeNode * node)
+{
+ if( !model->IsContainer( item ) )
+ return;
+
+ wxDataViewItemArray children;
+ unsigned int num = model->GetChildren( item, children);
+
+ unsigned int index = 0;
+ while( index < num )
+ {
+ if( model->IsContainer( children[index] ) )
+ {
+ wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
+ n->SetItem(children[index]);
+ n->SetHasChildren( true );
+ node->AddNode( n );
+ }
+ else
+ {
+ node->AddLeaf( children[index].GetID() );
+ }
+ index ++;
+ }
+ node->SetSubTreeCount( num );
+ wxDataViewTreeNode * n = node->GetParent();
+ if( n != NULL)
+ n->ChangeSubTreeCount(num);
+
+}
+
+void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
+{
+ DestroyTree();
+
+ if (GetOwner()->GetModel()->IsVirtualListModel())
+ {
+ m_count = -1;
+ return;
+ }
+
+ m_root = new wxDataViewTreeNode( NULL );
+ m_root->SetHasChildren(true);
+
+ // First we define a invalid item to fetch the top-level elements
+ wxDataViewItem item;
+ SortPrepare();
+ BuildTreeHelper( model, item, m_root);
+ m_count = -1;
+}
+
+static void DestroyTreeHelper( wxDataViewTreeNode * node )
+{
+ if( node->GetNodeNumber() != 0 )
+ {
+ int len = node->GetNodeNumber();
+ wxDataViewTreeNodes& nodes = node->GetNodes();
+ for (int i = 0; i < len; i++)
+ DestroyTreeHelper(nodes[i]);
+ }
+ delete node;
+}
+
+void wxDataViewMainWindow::DestroyTree()
+{
+ if (!IsVirtualList())
+ {
+ ::DestroyTreeHelper(m_root);
+ m_count = 0;
+ m_root = NULL;
+ }
+}
+
+void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
+{
+ wxWindow * const parent = GetParent();
+
+ // propagate the char event upwards
+ wxKeyEvent eventForParent(event);
+ eventForParent.SetEventObject(parent);
+ if ( parent->ProcessWindowEvent(eventForParent) )
+ return;
+
+ if ( parent->HandleAsNavigationKey(event) )
+ return;
+
+ // no item -> nothing to do
+ if (!HasCurrentRow())
+ {
+ event.Skip();
+ return;
+ }
+
+ // don't use m_linesPerPage directly as it might not be computed yet
+ const int pageSize = GetCountPerPage();
+ wxCHECK_RET( pageSize, wxT("should have non zero page size") );
+
+ switch ( event.GetKeyCode() )
+ {
+ case WXK_RETURN:
+ {
+ wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
+ parent->GetId());
+ le.SetItem( GetItemByRow(m_currentRow) );
+ le.SetEventObject(parent);
+ le.SetModel(GetOwner()->GetModel());
+
+ parent->GetEventHandler()->ProcessEvent(le);
+ }
+ break;
+
+ case WXK_UP:
+ if ( m_currentRow > 0 )
+ OnArrowChar( m_currentRow - 1, event );
+ break;
+
+ case WXK_DOWN:
+ if ( m_currentRow < GetRowCount() - 1 )
+ OnArrowChar( m_currentRow + 1, event );
+ break;
+ // Add the process for tree expanding/collapsing
+ case WXK_LEFT:
+ {
+ if (IsList())
+ break;
+
+ wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
+ if (!node)
+ break;
+
+ if (node->HasChildren() && node->IsOpen())
+ {
+ Collapse(m_currentRow);
+ }
+ else // if the node is already closed we move the selection to its parent
+ {
+ wxDataViewTreeNode *parent_node = node->GetParent();
+
+ if(!node->HasChildren())
+ delete node;
+
+ if (parent_node)
+ {
+ int parent = GetRowByItem( parent_node->GetItem() );
+ if ( parent >= 0 )
+ {
+ unsigned int row = m_currentRow;
+ SelectRow( row, false);
+ SelectRow( parent, true );
+ ChangeCurrentRow( parent );
+ GetOwner()->EnsureVisible( parent, -1 );
+ SendSelectionChangedEvent( parent_node->GetItem() );
+ }
+ }
+ }
+ break;
+ }
+ case WXK_RIGHT:
+ {
+ if (!IsExpanded( m_currentRow ))
+ Expand( m_currentRow );
+ else
+ {
+ unsigned int row = m_currentRow;
+ SelectRow( row, false );
+ SelectRow( row + 1, true );
+ ChangeCurrentRow( row + 1 );
+ GetOwner()->EnsureVisible( row + 1, -1 );
+ SendSelectionChangedEvent( GetItemByRow(row+1) );
+ }
+ break;
+ }
+ case WXK_END:
+ {
+ if (!IsEmpty())
+ OnArrowChar( GetRowCount() - 1, event );
+ break;
+ }
+ case WXK_HOME:
+ if (!IsEmpty())
+ OnArrowChar( 0, event );
+ break;
+
+ case WXK_PAGEUP:
+ {
+ int steps = pageSize - 1;
+ int index = m_currentRow - steps;
+ if (index < 0)
+ index = 0;
+
+ OnArrowChar( index, event );
+ }
+ break;
+
+ case WXK_PAGEDOWN:
+ {
+ int steps = pageSize - 1;
+ unsigned int index = m_currentRow + steps;
+ unsigned int count = GetRowCount();
+ if ( index >= count )
+ index = count - 1;
+
+ OnArrowChar( index, event );
+ }
+ break;
+
+ case WXK_F2:
+ {
+ if(m_selection.size() == 1)
+ {
+ // TODO: we need to revise that when we have a concept for a 'current column'
+ GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
+ }
+ }
+ break;
+
+ default:
+ event.Skip();
+ }
+}
+
+void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
+{
+ if (event.GetEventType() == wxEVT_MOUSEWHEEL)
+ {
+ // let the base handle mouse wheel events.
+ event.Skip();
+ return;
+ }
+
+ // set the focus to ourself if any of the mouse buttons are pressed
+ if(event.ButtonDown() && !HasFocus())
+ SetFocus();
+
+ int x = event.GetX();
+ int y = event.GetY();
+ m_owner->CalcUnscrolledPosition( x, y, &x, &y );
+ wxDataViewColumn *col = NULL;
+
+ int xpos = 0;
+ unsigned int cols = GetOwner()->GetColumnCount();
+ unsigned int i;
+ for (i = 0; i < cols; i++)
+ {
+ wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
+ if (c->IsHidden())
+ continue; // skip it!
+
+ if (x < xpos + c->GetWidth())
+ {
+ col = c;
+ break;
+ }
+ xpos += c->GetWidth();
+ }
+ if (!col)
+ {
+ event.Skip();
+ return;
+ }
+
+ wxDataViewRenderer *cell = col->GetRenderer();
+ unsigned int current = GetLineAt( y );
+ if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
+ {
+ // Unselect all if below the last row ?
+ event.Skip();
+ return;
+ }
+
+ // Test whether the mouse is hovered on the tree item button
+ bool hoverOverExpander = false;
+ if ((!IsList()) && (GetOwner()->GetExpanderColumn() == col))
+ {
+ wxDataViewTreeNode * node = GetTreeNodeByRow(current);
+ if( node!=NULL && node->HasChildren() )
+ {
+ int indent = node->GetIndentLevel();
+ indent = GetOwner()->GetIndent()*indent;
+
+ // we make the rectangle we are looking in a bit bigger than the actual
+ // visual expander so the user can hit that little thing reliably
+ wxRect rect( xpos + indent,
+ GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
+ m_lineHeight, m_lineHeight);
+ if( rect.Contains(x, y) )
+ {
+ // So the mouse is over the expander
+ hoverOverExpander = true;
+ if (m_underMouse && m_underMouse != node)
+ {
+ // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
+ RefreshRow(GetRowByItem(m_underMouse->GetItem()));
+ }
+ if (m_underMouse != node)
+ {
+ // wxLogMessage("Do the row: %d", current);
+ RefreshRow(current);
+ }
+ m_underMouse = node;
+ }
+ }
+ if (node!=NULL && !node->HasChildren())
+ delete node;
+ }
+ if (!hoverOverExpander)
+ {
+ if (m_underMouse != NULL)
+ {
+ // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
+ RefreshRow(GetRowByItem(m_underMouse->GetItem()));
+ m_underMouse = NULL;
+ }
+ }
+
+ wxDataViewModel *model = GetOwner()->GetModel();
+
+#if wxUSE_DRAG_AND_DROP
+ if (event.Dragging())
+ {
+ if (m_dragCount == 0)
+ {
+ // we have to report the raw, physical coords as we want to be
+ // able to call HitTest(event.m_pointDrag) from the user code to
+ // get the item being dragged
+ m_dragStart = event.GetPosition();
+ }
+
+ m_dragCount++;
+
+ if (m_dragCount != 3)
+ return;
+
+ if (event.LeftIsDown())
+ {
+ m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
+ &m_dragStart.x, &m_dragStart.y );
+ unsigned int drag_item_row = GetLineAt( m_dragStart.y );
+ wxDataViewItem item = GetItemByRow( drag_item_row );
+
+ // Notify cell about drag
+ wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
+ event.SetEventObject( m_owner );
+ event.SetItem( item );
+ event.SetModel( model );
+ if (!m_owner->HandleWindowEvent( event ))
+ return;
+
+ if (!event.IsAllowed())
+ return;
+
+ wxDataObject *obj = event.GetDataObject();
+ if (!obj)
+ return;
+
+ wxDataViewDropSource drag( this, drag_item_row );
+ drag.SetData( *obj );
+ /* wxDragResult res = */ drag.DoDragDrop();
+ delete obj;
+ }
+ return;
+ }
+ else
+ {
+ m_dragCount = 0;
+ }
+#endif // wxUSE_DRAG_AND_DROP
+
+ bool simulateClick = false;
+
+ if (event.ButtonDClick())
+ {
+ m_renameTimer->Stop();
+ m_lastOnSame = false;
+ }
+
+ wxDataViewItem item = GetItemByRow(current);
+ bool ignore_other_columns =
+ ((GetOwner()->GetExpanderColumn() != col) &&
+ (model->IsContainer(item)) &&
+ (!model->HasContainerColumns(item)));
+
+ if (event.LeftDClick())
+ {
+ if(hoverOverExpander)
+ {
+ // a double click on the expander will be converted into a "simulated" normal click
+ simulateClick = true;
+ }
+ else if ( current == m_lineLastClicked )
+ {
+ if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
+ {
+ const unsigned colIdx = col->GetModelColumn();
+
+ wxVariant value;
+ model->GetValue( value, item, colIdx );
+
+ cell->WXOnActivate(model, value, item, colIdx);
+
+ if ( wxDataViewCustomRenderer *custom = cell->WXGetAsCustom() )
+ {
+ cell->SetValue( value );
+
+ wxRect cell_rect( xpos, GetLineStart( current ),
+ col->GetWidth(), GetLineHeight( current ) );
+ custom->Activate( cell_rect, model, item, colIdx );
+ }
+ }
+ else
+ {
+ wxWindow *parent = GetParent();
+ wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
+ le.SetItem( item );
+ le.SetColumn( col->GetModelColumn() );
+ le.SetDataViewColumn( col );
+ le.SetEventObject(parent);
+ le.SetModel(GetOwner()->GetModel());
+
+ parent->GetEventHandler()->ProcessEvent(le);
+ }
+ return;
+ }
+ else
+ {
+ // The first click was on another item, so don't interpret this as
+ // a double click, but as a simple click instead
+ simulateClick = true;
+ }
+ }
+
+ if (event.LeftUp() && !hoverOverExpander)
+ {
+ if (m_lineSelectSingleOnUp != (unsigned int)-1)
+ {
+ // select single line
+ SelectAllRows( false );
+ SelectRow( m_lineSelectSingleOnUp, true );
+ SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
+ }
+
+ // If the user click the expander, we do not do editing even if the column
+ // with expander are editable
+ if (m_lastOnSame && !ignore_other_columns)
+ {
+ if ((col == m_currentCol) && (current == m_currentRow) &&
+ (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
+ {
+ m_renameTimer->Start( 100, true );
+ }
+ }
+
+ m_lastOnSame = false;
+ m_lineSelectSingleOnUp = (unsigned int)-1;
+ }
+ else if(!event.LeftUp())
+ {
+ // This is necessary, because after a DnD operation in
+ // from and to ourself, the up event is swallowed by the
+ // DnD code. So on next non-up event (which means here and
+ // now) m_lineSelectSingleOnUp should be reset.
+ m_lineSelectSingleOnUp = (unsigned int)-1;
+ }
+
+ if (event.RightDown())
+ {
+ m_lineBeforeLastClicked = m_lineLastClicked;
+ m_lineLastClicked = current;
+
+ // If the item is already selected, do not update the selection.
+ // Multi-selections should not be cleared if a selected item is clicked.
+ if (!IsRowSelected(current))
+ {
+ SelectAllRows(false);
+ ChangeCurrentRow(current);
+ SelectRow(m_currentRow,true);
+ SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
+ }
+ }
+ else if (event.RightUp())
+ {
+ wxVariant value;
+ model->GetValue( value, item, col->GetModelColumn() );
+ wxWindow *parent = GetParent();
+ wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
+ le.SetItem( item );
+ le.SetColumn( col->GetModelColumn() );
+ le.SetDataViewColumn( col );
+ le.SetEventObject(parent);
+ le.SetModel(GetOwner()->GetModel());
+ le.SetValue(value);
+ parent->GetEventHandler()->ProcessEvent(le);
+ }
+ else if (event.MiddleDown())
+ {
+ }
+
+ if((event.LeftDown() || simulateClick) && hoverOverExpander)
+ {
+ wxDataViewTreeNode* node = GetTreeNodeByRow(current);
+
+ // hoverOverExpander being true tells us that our node must be
+ // valid and have children.
+ // So we don't need any extra checks.
+ if( node->IsOpen() )
+ Collapse(current);
+ else
+ Expand(current);
+ }
+ else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
+ {
+ m_lineBeforeLastClicked = m_lineLastClicked;
+ m_lineLastClicked = current;
+
+ unsigned int oldCurrentRow = m_currentRow;
+ bool oldWasSelected = IsRowSelected(m_currentRow);
+
+ bool cmdModifierDown = event.CmdDown();
+ if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
+ {
+ if ( IsSingleSel() || !IsRowSelected(current) )
+ {
+ SelectAllRows( false );
+ ChangeCurrentRow(current);
+ SelectRow(m_currentRow,true);
+ SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
+ }
+ else // multi sel & current is highlighted & no mod keys
+ {
+ m_lineSelectSingleOnUp = current;
+ ChangeCurrentRow(current); // change focus
+ }
+ }
+ else // multi sel & either ctrl or shift is down
+ {
+ if (cmdModifierDown)
+ {
+ ChangeCurrentRow(current);
+ ReverseRowSelection(m_currentRow);
+ SendSelectionChangedEvent(GetItemByRow(m_currentRow));
+ }
+ else if (event.ShiftDown())
+ {
+ ChangeCurrentRow(current);
+
+ unsigned int lineFrom = oldCurrentRow,
+ lineTo = current;
+
+ if ( lineTo < lineFrom )
+ {
+ lineTo = lineFrom;
+ lineFrom = m_currentRow;
+ }
+
+ SelectRows(lineFrom, lineTo, true);
+ SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
+ }
+ else // !ctrl, !shift
+ {
+ // test in the enclosing if should make it impossible
+ wxFAIL_MSG( wxT("how did we get here?") );
+ }
+ }
+
+ if (m_currentRow != oldCurrentRow)
+ RefreshRow( oldCurrentRow );
+
+ wxDataViewColumn *oldCurrentCol = m_currentCol;
+
+ // Update selection here...
+ m_currentCol = col;
+
+ m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
+ (current == oldCurrentRow)) && oldWasSelected;
+
+ // Call LeftClick after everything else as under GTK+
+ if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
+ {
+ if ( wxDataViewCustomRenderer *custom = cell->WXGetAsCustom() )
+ {
+ // notify cell about click
+ custom->PrepareForItem(model, item, col->GetModelColumn());
+
+ wxRect cell_rect( xpos, GetLineStart( current ),
+ col->GetWidth(), GetLineHeight( current ) );
+
+ // Report position relative to the cell's custom area, i.e.
+ // no the entire space as given by the control but the one
+ // used by the renderer after calculation of alignment etc.
+
+ // adjust the rectangle ourselves to account for the alignment
+ wxRect rectItem = cell_rect;
+ const int align = custom->GetAlignment();
+ if ( align != wxDVR_DEFAULT_ALIGNMENT )
+ {
+ const wxSize size = custom->GetSize();
+
+ if ( size.x >= 0 && size.x < cell_rect.width )
+ {
+ if ( align & wxALIGN_CENTER_HORIZONTAL )
+ rectItem.x += (cell_rect.width - size.x)/2;
+ else if ( align & wxALIGN_RIGHT )
+ rectItem.x += cell_rect.width - size.x;
+ // else: wxALIGN_LEFT is the default
+ }
+
+ if ( size.y >= 0 && size.y < cell_rect.height )
+ {
+ if ( align & wxALIGN_CENTER_VERTICAL )
+ rectItem.y += (cell_rect.height - size.y)/2;
+ else if ( align & wxALIGN_BOTTOM )
+ rectItem.y += cell_rect.height - size.y;
+ // else: wxALIGN_TOP is the default
+ }
+ }
+
+ wxPoint pos( event.GetPosition() );
+ pos.x -= rectItem.x;
+ pos.y -= rectItem.y;
+
+ m_owner->CalcUnscrolledPosition( pos.x, pos.y, &pos.x, &pos.y );
+
+ /* ignore ret */ custom->LeftClick( pos, cell_rect,
+ model, item, col->GetModelColumn());
+ }
+ }
+ }
+}
+
+void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
+{
+ m_hasFocus = true;
+
+ if (HasCurrentRow())
+ Refresh();
+
+ event.Skip();
+}
+
+void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
+{
+ m_hasFocus = false;
+
+ if (HasCurrentRow())
+ Refresh();
+
+ event.Skip();
+}
+
+wxDataViewItem wxDataViewMainWindow::GetSelection() const
+{
+ if( m_selection.GetCount() != 1 )
+ return wxDataViewItem();
+
+ return GetItemByRow( m_selection.Item(0));
+}
+
+//-----------------------------------------------------------------------------
+// wxDataViewCtrl
+//-----------------------------------------------------------------------------
+
+WX_DEFINE_LIST(wxDataViewColumnList)
+
+IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
+BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
+ EVT_SIZE(wxDataViewCtrl::OnSize)
+END_EVENT_TABLE()
+
+wxDataViewCtrl::~wxDataViewCtrl()
+{
+ if (m_notifier)
+ GetModel()->RemoveNotifier( m_notifier );
+
+ m_cols.Clear();
+ m_colsBestWidths.clear();
+}
+
+void wxDataViewCtrl::Init()
+{
+ m_cols.DeleteContents(true);
+ m_notifier = NULL;
+
+ // No sorting column at start
+ m_sortingColumnIdx = wxNOT_FOUND;
+
+ m_headerArea = NULL;
+}
+
+bool wxDataViewCtrl::Create(wxWindow *parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+// if ( (style & wxBORDER_MASK) == 0)
+// style |= wxBORDER_SUNKEN;
+
+ Init();
+
+ if (!wxControl::Create( parent, id, pos, size,
+ style | wxScrolledWindowStyle, validator, name))
+ return false;
+
+ SetInitialSize(size);
+
+#ifdef __WXMAC__
+ MacSetClipChildren( true );
+#endif
+
+ m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
+
+ // We use the cursor keys for moving the selection, not scrolling, so call
+ // this method to ensure wxScrollHelperEvtHandler doesn't catch all
+ // keyboard events forwarded to us from wxListMainWindow.
+ DisableKeyboardScrolling();
+
+ if (HasFlag(wxDV_NO_HEADER))
+ m_headerArea = NULL;
+ else
+ m_headerArea = new wxDataViewHeaderWindow(this);
+
+ SetTargetWindow( m_clientArea );
+
+ wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
+ if (m_headerArea)
+ sizer->Add( m_headerArea, 0, wxGROW );
+ sizer->Add( m_clientArea, 1, wxGROW );
+ SetSizer( sizer );
+
+ return true;
+}
+
+wxBorder wxDataViewCtrl::GetDefaultBorder() const
+{
+ return wxBORDER_THEME;
+}
+
+#ifdef __WXMSW__
+WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
+ WXWPARAM wParam,
+ WXLPARAM lParam)
+{
+ WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
+
+#ifndef __WXWINCE__
+ // we need to process arrows ourselves for scrolling
+ if ( nMsg == WM_GETDLGCODE )
+ {
+ rc |= DLGC_WANTARROWS;
+ }
+#endif
+
+ return rc;
+}
+#endif
+
+wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
+{
+ wxSize newsize = size;
+ if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
+ newsize.y -= m_headerArea->GetSize().y;
+
+ return newsize;
+}
+
+void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
+{
+ // We need to override OnSize so that our scrolled
+ // window a) does call Layout() to use sizers for
+ // positioning the controls but b) does not query
+ // the sizer for their size and use that for setting
+ // the scrollable area as set that ourselves by
+ // calling SetScrollbar() further down.
+
+ Layout();
+
+ AdjustScrollbars();
+}
+
+void wxDataViewCtrl::SetFocus()
+{
+ if (m_clientArea)
+ m_clientArea->SetFocus();
+}
+
+bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
+{
+ if (!wxDataViewCtrlBase::AssociateModel( model ))
+ return false;
+
+ m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
+
+ model->AddNotifier( m_notifier );
+
+ m_clientArea->DestroyTree();
+
+ m_clientArea->BuildTree(model);
+
+ m_clientArea->UpdateDisplay();
+
+ return true;
+}
+
+#if wxUSE_DRAG_AND_DROP
+
+bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
+{
+ return m_clientArea->EnableDragSource( format );
+}
+
+bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
+{
+ return m_clientArea->EnableDropTarget( format );
+}
+
+#endif // wxUSE_DRAG_AND_DROP
+
+bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
+{
+ if (!wxDataViewCtrlBase::AppendColumn(col))
+ return false;
+
+ m_cols.Append( col );
+ m_colsBestWidths.push_back(0);
+ OnColumnsCountChanged();
+ return true;
+}
+
+bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
+{
+ if (!wxDataViewCtrlBase::PrependColumn(col))
+ return false;
+
+ m_cols.Insert( col );
+ m_colsBestWidths.insert(m_colsBestWidths.begin(), 0);
+ OnColumnsCountChanged();
+ return true;
+}
+
+bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
+{
+ if (!wxDataViewCtrlBase::InsertColumn(pos,col))
+ return false;
+
+ m_cols.Insert( pos, col );
+ m_colsBestWidths.insert(m_colsBestWidths.begin() + pos, 0);
+ OnColumnsCountChanged();
+ return true;
+}
+
+void wxDataViewCtrl::OnColumnChange(unsigned int idx)
+{
+ if ( m_headerArea )
+ m_headerArea->UpdateColumn(idx);
+
+ m_clientArea->UpdateDisplay();
+}
+
+void wxDataViewCtrl::OnColumnsCountChanged()
+{
+ if (m_headerArea)
+ m_headerArea->SetColumnCount(GetColumnCount());
+
+ m_clientArea->UpdateDisplay();
+}
+
+void wxDataViewCtrl::DoSetExpanderColumn()
+{
+ m_clientArea->UpdateDisplay();
+}
+
+void wxDataViewCtrl::DoSetIndent()
+{
+ m_clientArea->UpdateDisplay();
+}
-wxDataViewDateCell::wxDataViewDateCell( const wxString &varianttype,
- wxDataViewCellMode mode ) :
- wxDataViewCustomCell( varianttype, mode )
+unsigned int wxDataViewCtrl::GetColumnCount() const
{
+ return m_cols.GetCount();
}
-
-bool wxDataViewDateCell::SetValue( const wxVariant &value )
+
+wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
{
- m_date = value.GetDateTime();
-
- return true;
+ return m_cols[idx];
}
-bool wxDataViewDateCell::Render( wxRect cell, wxDC *dc, int state )
+wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
{
- dc->SetFont( GetOwner()->GetOwner()->GetFont() );
- wxString tmp = m_date.FormatDate();
- dc->DrawText( tmp, cell.x, cell.y );
+ // columns can't be reordered if there is no header window which allows
+ // to do this
+ const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
+ : pos;
- return true;
+ return GetColumn(idx);
}
-wxSize wxDataViewDateCell::GetSize()
+int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
{
- wxDataViewCtrl* view = GetOwner()->GetOwner();
- wxString tmp = m_date.FormatDate();
- wxCoord x,y,d;
- view->GetTextExtent( tmp, &x, &y, &d );
- return wxSize(x,y+d);
+ const unsigned count = m_cols.size();
+ for ( unsigned n = 0; n < count; n++ )
+ {
+ if ( m_cols[n] == column )
+ return n;
+ }
+
+ return wxNOT_FOUND;
}
-bool wxDataViewDateCell::Activate( wxRect cell, wxDataViewListModel *model, size_t col, size_t row )
+unsigned int wxDataViewCtrl::GetBestColumnWidth(int idx) const
{
- wxVariant variant;
- model->GetValue( variant, col, row );
- wxDateTime value = variant.GetDateTime();
+ if ( m_colsBestWidths[idx] != 0 )
+ return m_colsBestWidths[idx];
- wxDataViewDateCellPopupTransient *popup = new wxDataViewDateCellPopupTransient(
- GetOwner()->GetOwner()->GetParent(), &value, model, col, row );
- wxPoint pos = wxGetMousePosition();
- popup->Move( pos );
- popup->Layout();
- popup->Popup( popup->m_cal );
+ const int count = m_clientArea->GetRowCount();
+ wxDataViewColumn *column = GetColumn(idx);
+ wxDataViewRenderer *renderer =
+ const_cast<wxDataViewRenderer*>(column->GetRenderer());
- return true;
-}
+ class MaxWidthCalculator
+ {
+ public:
+ MaxWidthCalculator(wxDataViewMainWindow *clientArea,
+ wxDataViewRenderer *renderer,
+ const wxDataViewModel *model,
+ unsigned column)
+ : m_width(0),
+ m_clientArea(clientArea),
+ m_renderer(renderer),
+ m_model(model),
+ m_column(column)
+ {
+ }
-// ---------------------------------------------------------
-// wxDataViewColumn
-// ---------------------------------------------------------
+ void UpdateWithWidth(int width)
+ {
+ m_width = wxMax(m_width, width);
+ }
-IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
+ void UpdateWithRow(int row)
+ {
+ wxDataViewItem item = m_clientArea->GetItemByRow(row);
+ m_renderer->PrepareForItem(m_model, item, m_column);
+ m_width = wxMax(m_width, m_renderer->GetSize().x);
+ }
-wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewCell *cell,
- size_t model_column, int flags ) :
- wxDataViewColumnBase( title, cell, model_column, flags )
-{
- m_width = 80;
-}
+ int GetMaxWidth() const { return m_width; }
-wxDataViewColumn::~wxDataViewColumn()
-{
-}
+ private:
+ int m_width;
+ wxDataViewMainWindow *m_clientArea;
+ wxDataViewRenderer *m_renderer;
+ const wxDataViewModel *m_model;
+ unsigned m_column;
+ };
-void wxDataViewColumn::SetTitle( const wxString &title )
-{
- wxDataViewColumnBase::SetTitle( title );
-
-}
+ MaxWidthCalculator calculator(m_clientArea, renderer,
+ GetModel(), column->GetModelColumn());
-//-----------------------------------------------------------------------------
-// wxDataViewHeaderWindow
-//-----------------------------------------------------------------------------
+ if ( m_headerArea )
+ {
+ int header_width = m_headerArea->GetTextExtent(column->GetTitle()).x;
+ // Labels on native MSW header are indented on both sides
+ header_width +=
+ wxRendererNative::Get().GetHeaderButtonMargin(m_headerArea);
+ calculator.UpdateWithWidth(header_width);
+ }
-class wxDataViewHeaderWindow: public wxWindow
-{
-public:
- wxDataViewHeaderWindow( wxDataViewCtrl *parent,
- wxWindowID id,
- const wxPoint &pos = wxDefaultPosition,
- const wxSize &size = wxDefaultSize,
- const wxString &name = wxT("wxdataviewctrlheaderwindow") );
- ~wxDataViewHeaderWindow();
+ // The code below deserves some explanation. For very large controls, we
+ // simply can't afford to calculate sizes for all items, it takes too
+ // long. So the best we can do is to check the first and the last N/2
+ // items in the control for some sufficiently large N and calculate best
+ // sizes from that. That can result in the calculated best width being too
+ // small for some outliers, but it's better to get slightly imperfect
+ // result than to wait several seconds after every update. To avoid highly
+ // visible miscalculations, we also include all currently visible items
+ // no matter what. Finally, the value of N is determined dynamically by
+ // measuring how much time we spent on the determining item widths so far.
- void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
- wxDataViewCtrl *GetOwner() { return m_owner; }
+#if wxUSE_STOPWATCH
+ int top_part_end = count;
+ static const long CALC_TIMEOUT = 20/*ms*/;
+ // don't call wxStopWatch::Time() too often
+ static const unsigned CALC_CHECK_FREQ = 100;
+ wxStopWatch timer;
+#else
+ // use some hard-coded limit, that's the best we can do without timer
+ int top_part_end = wxMin(500, count);
+#endif // wxUSE_STOPWATCH/!wxUSE_STOPWATCH
- void OnPaint( wxPaintEvent &event );
- void OnMouse( wxMouseEvent &event );
- void OnSetFocus( wxFocusEvent &event );
-
-private:
- wxDataViewCtrl *m_owner;
- wxCursor *m_resizeCursor;
-
-private:
- DECLARE_DYNAMIC_CLASS(wxDataViewHeaderWindow)
- DECLARE_EVENT_TABLE()
-};
+ int row = 0;
-IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindow, wxWindow)
+ for ( row = 0; row < top_part_end; row++ )
+ {
+#if wxUSE_STOPWATCH
+ if ( row % CALC_CHECK_FREQ == CALC_CHECK_FREQ-1 &&
+ timer.Time() > CALC_TIMEOUT )
+ break;
+#endif // wxUSE_STOPWATCH
+ calculator.UpdateWithRow(row);
+ }
-BEGIN_EVENT_TABLE(wxDataViewHeaderWindow,wxWindow)
- EVT_PAINT (wxDataViewHeaderWindow::OnPaint)
- EVT_MOUSE_EVENTS (wxDataViewHeaderWindow::OnMouse)
- EVT_SET_FOCUS (wxDataViewHeaderWindow::OnSetFocus)
-END_EVENT_TABLE()
+ // row is the first unmeasured item now; that's out value of N/2
+
+ if ( row < count )
+ {
+ top_part_end = row;
+
+ // add bottom N/2 items now:
+ const int bottom_part_start = wxMax(row, count - row);
+ for ( row = bottom_part_start; row < count; row++ )
+ {
+ calculator.UpdateWithRow(row);
+ }
+
+ // finally, include currently visible items in the calculation:
+ const wxPoint origin = CalcUnscrolledPosition(wxPoint(0, 0));
+ int first_visible = m_clientArea->GetLineAt(origin.y);
+ int last_visible = m_clientArea->GetLineAt(origin.y + GetClientSize().y);
+
+ first_visible = wxMax(first_visible, top_part_end);
+ last_visible = wxMin(bottom_part_start, last_visible);
+
+ for ( row = first_visible; row < last_visible; row++ )
+ {
+ calculator.UpdateWithRow(row);
+ }
+
+ wxLogTrace("dataview",
+ "determined best size from %d top, %d bottom plus %d more visible items out of %d total",
+ top_part_end,
+ count - bottom_part_start,
+ wxMax(0, last_visible - first_visible),
+ count);
+ }
-wxDataViewHeaderWindow::wxDataViewHeaderWindow( wxDataViewCtrl *parent, wxWindowID id,
- const wxPoint &pos, const wxSize &size, const wxString &name ) :
- wxWindow( parent, id, pos, size, 0, name )
+ int max_width = calculator.GetMaxWidth();
+ if ( max_width > 0 )
+ max_width += 2 * PADDING_RIGHTLEFT;
+
+ const_cast<wxDataViewCtrl*>(this)->m_colsBestWidths[idx] = max_width;
+ return max_width;
+
+ #undef MEASURE_ITEM
+}
+
+void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
+ unsigned int WXUNUSED(new_pos))
{
- SetOwner( parent );
+ // do _not_ reorder m_cols elements here, they should always be in the
+ // order in which columns were added, we only display the columns in
+ // different order
+ m_clientArea->UpdateDisplay();
+}
+
+bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
+{
+ wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
+ if (!ret)
+ return false;
- m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
-
- wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
- SetOwnForegroundColour( attr.colFg );
- SetOwnBackgroundColour( attr.colBg );
- if (!m_hasFont)
- SetOwnFont( attr.font );
+ m_colsBestWidths.erase(m_colsBestWidths.begin() + GetColumnIndex(column));
+ m_cols.Erase(ret);
+ OnColumnsCountChanged();
+
+ return true;
}
-wxDataViewHeaderWindow::~wxDataViewHeaderWindow()
+bool wxDataViewCtrl::ClearColumns()
{
- delete m_resizeCursor;
+ m_cols.Clear();
+ m_colsBestWidths.clear();
+ OnColumnsCountChanged();
+ return true;
}
-void wxDataViewHeaderWindow::OnPaint( wxPaintEvent &event )
+void wxDataViewCtrl::InvalidateColBestWidth(int idx)
{
- int w, h;
- GetClientSize( &w, &h );
+ m_colsBestWidths[idx] = 0;
- wxPaintDC dc( this );
-
- int xpix;
- m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
+ if ( m_headerArea )
+ m_headerArea->UpdateColumn(idx);
+}
- int x;
- m_owner->GetViewStart( &x, NULL );
+void wxDataViewCtrl::InvalidateColBestWidths()
+{
+ m_colsBestWidths.clear();
+ m_colsBestWidths.resize(m_cols.size());
- // account for the horz scrollbar offset
- dc.SetDeviceOrigin( -x * xpix, 0 );
-
- dc.SetFont( GetFont() );
-
- size_t cols = GetOwner()->GetNumberOfColumns();
- size_t i;
- int xpos = 0;
- for (i = 0; i < cols; i++)
+ if ( m_headerArea )
{
- wxDataViewColumn *col = GetOwner()->GetColumn( i );
- int width = col->GetWidth();
-
- // the width of the rect to draw: make it smaller to fit entirely
- // inside the column rect
-#ifdef __WXMAC__
- int cw = width;
- int ch = h;
+ // this updates visual appearance of columns 0 and up, not just 0
+ m_headerArea->UpdateColumn(0);
+ }
+}
+
+int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
+{
+#if 1
+ unsigned int len = GetColumnCount();
+ for ( unsigned int i = 0; i < len; i++ )
+ {
+ wxDataViewColumn * col = GetColumnAt(i);
+ if (column==col)
+ return i;
+ }
+
+ return wxNOT_FOUND;
#else
- int cw = width - 2;
- int ch = h - 2;
+ // This returns the position in pixels which is not what we want.
+ int ret = 0,
+ dummy = 0;
+ unsigned int len = GetColumnCount();
+ for ( unsigned int i = 0; i < len; i++ )
+ {
+ wxDataViewColumn * col = GetColumnAt(i);
+ if (col->IsHidden())
+ continue;
+ ret += col->GetWidth();
+ if (column==col)
+ {
+ CalcScrolledPosition( ret, dummy, &ret, &dummy );
+ break;
+ }
+ }
+ return ret;
#endif
+}
- wxRendererNative::Get().DrawHeaderButton
- (
- this,
- dc,
- wxRect(xpos, 0, cw, ch),
- m_parent->IsEnabled() ? 0
- : (int)wxCONTROL_DISABLED
- );
+wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
+{
+ return m_sortingColumnIdx == wxNOT_FOUND ? NULL
+ : GetColumn(m_sortingColumnIdx);
+}
- dc.DrawText( col->GetTitle(), xpos+3, 3 );
-
- xpos += width;
- }
+wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
+{
+ return GetItemByRow(m_clientArea->GetCurrentRow());
}
-void wxDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
+void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
{
+ const int row = m_clientArea->GetRowByItem(item);
+
+ const unsigned oldCurrent = m_clientArea->GetCurrentRow();
+ if ( static_cast<unsigned>(row) != oldCurrent )
+ {
+ m_clientArea->ChangeCurrentRow(row);
+ m_clientArea->RefreshRow(oldCurrent);
+ m_clientArea->RefreshRow(row);
+ }
}
-void wxDataViewHeaderWindow::OnSetFocus( wxFocusEvent &event )
+// Selection code with wxDataViewItem as parameters
+wxDataViewItem wxDataViewCtrl::GetSelection() const
{
- event.Skip();
+ return m_clientArea->GetSelection();
}
-//-----------------------------------------------------------------------------
-// wxDataViewMainWindow
-//-----------------------------------------------------------------------------
+int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
+{
+ sel.Empty();
+ wxDataViewSelection selection = m_clientArea->GetSelections();
+ int len = selection.GetCount();
+ for( int i = 0; i < len; i ++)
+ {
+ unsigned int row = selection[i];
+ sel.Add( m_clientArea->GetItemByRow( row ) );
+ }
+ return len;
+}
-class wxDataViewMainWindow: public wxWindow
+void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
{
-public:
- wxDataViewMainWindow( wxDataViewCtrl *parent,
- wxWindowID id,
- const wxPoint &pos = wxDefaultPosition,
- const wxSize &size = wxDefaultSize,
- const wxString &name = wxT("wxdataviewctrlmainwindow") );
- ~wxDataViewMainWindow();
+ wxDataViewSelection selection(wxDataViewSelectionCmp);
- void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
- wxDataViewCtrl *GetOwner() { return m_owner; }
+ wxDataViewItem last_parent;
- void OnPaint( wxPaintEvent &event );
- void OnMouse( wxMouseEvent &event );
- void OnSetFocus( wxFocusEvent &event );
-
- void UpdateDisplay();
- void RecalculateDisplay();
- void OnInternalIdle();
-
- void ScrollWindow( int dx, int dy, const wxRect *rect );
-private:
- wxDataViewCtrl *m_owner;
- int m_lineHeight;
- bool m_dirty;
-
-private:
- DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
- DECLARE_EVENT_TABLE()
-};
+ int len = sel.GetCount();
+ for( int i = 0; i < len; i ++ )
+ {
+ wxDataViewItem item = sel[i];
+ wxDataViewItem parent = GetModel()->GetParent( item );
+ if (parent)
+ {
+ if (parent != last_parent)
+ ExpandAncestors(item);
+ }
-IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
+ last_parent = parent;
+ int row = m_clientArea->GetRowByItem( item );
+ if( row >= 0 )
+ selection.Add( static_cast<unsigned int>(row) );
+ }
-BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
- EVT_PAINT (wxDataViewMainWindow::OnPaint)
- EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
- EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
-END_EVENT_TABLE()
+ m_clientArea->SetSelections( selection );
+}
-wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
- const wxPoint &pos, const wxSize &size, const wxString &name ) :
- wxWindow( parent, id, pos, size, 0, name )
+void wxDataViewCtrl::Select( const wxDataViewItem & item )
{
- SetOwner( parent );
-
- // We need to calculate this smartly..
- m_lineHeight = 20;
-
- UpdateDisplay();
+ ExpandAncestors( item );
+
+ int row = m_clientArea->GetRowByItem( item );
+ if( row >= 0 )
+ {
+ // Unselect all rows before select another in the single select mode
+ if (m_clientArea->IsSingleSel())
+ m_clientArea->SelectAllRows(false);
+
+ m_clientArea->SelectRow(row, true);
+
+ // Also set focus to the selected item
+ m_clientArea->ChangeCurrentRow( row );
+ }
}
-wxDataViewMainWindow::~wxDataViewMainWindow()
+void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
{
+ int row = m_clientArea->GetRowByItem( item );
+ if( row >= 0 )
+ m_clientArea->SelectRow(row, false);
}
-void wxDataViewMainWindow::UpdateDisplay()
+bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
{
- m_dirty = true;
+ int row = m_clientArea->GetRowByItem( item );
+ if( row >= 0 )
+ {
+ return m_clientArea->IsRowSelected(row);
+ }
+ return false;
}
-void wxDataViewMainWindow::OnInternalIdle()
+// Selection code with row number as parameter
+int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
{
- wxWindow::OnInternalIdle();
-
- if (m_dirty)
+ sel.Empty();
+ wxDataViewSelection selection = m_clientArea->GetSelections();
+ int len = selection.GetCount();
+ for( int i = 0; i < len; i ++)
{
- RecalculateDisplay();
- m_dirty = false;
+ unsigned int row = selection[i];
+ sel.Add( row );
}
+ return len;
}
-void wxDataViewMainWindow::RecalculateDisplay()
+void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
{
- wxDataViewListModel *model = GetOwner()->GetModel();
- if (!model)
+ wxDataViewSelection selection(wxDataViewSelectionCmp);
+ int len = sel.GetCount();
+ for( int i = 0; i < len; i ++ )
{
- Refresh();
- return;
+ int row = sel[i];
+ if( row >= 0 )
+ selection.Add( static_cast<unsigned int>(row) );
}
-
- int width = 0;
- size_t cols = GetOwner()->GetNumberOfColumns();
- size_t i;
- for (i = 0; i < cols; i++)
+ m_clientArea->SetSelections( selection );
+}
+
+void wxDataViewCtrl::Select( int row )
+{
+ if( row >= 0 )
{
- wxDataViewColumn *col = GetOwner()->GetColumn( i );
- width += col->GetWidth();
+ if (m_clientArea->IsSingleSel())
+ m_clientArea->SelectAllRows(false);
+ m_clientArea->SelectRow( row, true );
}
-
- int height = model->GetNumberOfRows() * m_lineHeight;
-
- SetVirtualSize( width, height );
- GetOwner()->SetScrollRate( 10, m_lineHeight );
-
- Refresh();
}
-void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
+void wxDataViewCtrl::Unselect( int row )
{
- wxWindow::ScrollWindow( dx, dy, rect );
- GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
+ if( row >= 0 )
+ m_clientArea->SelectRow(row, false);
}
-void wxDataViewMainWindow::OnPaint( wxPaintEvent &event )
+bool wxDataViewCtrl::IsSelected( int row ) const
{
- wxPaintDC dc( this );
-
- GetOwner()->PrepareDC( dc );
-
- dc.SetFont( GetFont() );
-
- dc.DrawText( wxT("main window"), 5, 5 );
+ if( row >= 0 )
+ return m_clientArea->IsRowSelected(row);
+ return false;
}
-void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
+void wxDataViewCtrl::SelectRange( int from, int to )
{
- event.Skip();
+ wxArrayInt sel;
+ for( int i = from; i < to; i ++ )
+ sel.Add( i );
+ m_clientArea->Select(sel);
}
-void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
+void wxDataViewCtrl::UnselectRange( int from, int to )
{
- event.Skip();
+ wxDataViewSelection sel = m_clientArea->GetSelections();
+ for( int i = from; i < to; i ++ )
+ if( sel.Index( i ) != wxNOT_FOUND )
+ sel.Remove( i );
+ m_clientArea->SetSelections(sel);
}
-//-----------------------------------------------------------------------------
-// wxDataViewCtrl
-//-----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
-
-BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
- EVT_SIZE(wxDataViewCtrl::OnSize)
-END_EVENT_TABLE()
-
-wxDataViewCtrl::~wxDataViewCtrl()
+void wxDataViewCtrl::SelectAll()
{
- if (m_notifier)
- GetModel()->RemoveNotifier( m_notifier );
+ m_clientArea->SelectAllRows(true);
}
-void wxDataViewCtrl::Init()
+void wxDataViewCtrl::UnselectAll()
{
- m_notifier = NULL;
+ m_clientArea->SelectAllRows(false);
}
-bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
- const wxPoint& pos, const wxSize& size,
- long style, const wxValidator& validator )
+void wxDataViewCtrl::EnsureVisible( int row, int column )
{
- if (!wxControl::Create( parent, id, pos, size, style | wxScrolledWindowStyle|wxSUNKEN_BORDER, validator))
- return false;
-
- Init();
-
-#ifdef __WXMAC__
- MacSetClipChildren( true ) ;
-#endif
-
- m_clientArea = new wxDataViewMainWindow( this, -1 );
- m_headerArea = new wxDataViewHeaderWindow( this, -1, wxDefaultPosition, wxSize(-1,25) );
-
- SetTargetWindow( m_clientArea );
-
- wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
- sizer->Add( m_headerArea, 0, wxGROW );
- sizer->Add( m_clientArea, 1, wxGROW );
- SetSizer( sizer );
+ if( row < 0 )
+ row = 0;
+ if( row > (int) m_clientArea->GetRowCount() )
+ row = m_clientArea->GetRowCount();
- return true;
+ int first = m_clientArea->GetFirstVisibleRow();
+ int last = m_clientArea->GetLastVisibleRow();
+ if( row < first )
+ m_clientArea->ScrollTo( row, column );
+ else if( row > last )
+ m_clientArea->ScrollTo( row - last + first, column );
+ else
+ m_clientArea->ScrollTo( first, column );
}
-#ifdef __WXMSW__
-WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
- WXWPARAM wParam,
- WXLPARAM lParam)
+void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
{
- WXLRESULT rc = wxPanel::MSWWindowProc(nMsg, wParam, lParam);
+ ExpandAncestors( item );
-#ifndef __WXWINCE__
- // we need to process arrows ourselves for scrolling
- if ( nMsg == WM_GETDLGCODE )
+ m_clientArea->RecalculateDisplay();
+
+ int row = m_clientArea->GetRowByItem(item);
+ if( row >= 0 )
{
- rc |= DLGC_WANTARROWS;
+ if( column == NULL )
+ EnsureVisible(row, -1);
+ else
+ EnsureVisible( row, GetColumnIndex(column) );
}
-#endif
- return rc;
}
-#endif
-void wxDataViewCtrl::OnSize( wxSizeEvent &event )
+void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
+ wxDataViewColumn* &column ) const
{
- // We need to override OnSize so that our scrolled
- // window a) does call Layout() to use sizers for
- // positioning the controls but b) does not query
- // the sizer for their size and use that for setting
- // the scrollable area as set that ourselves by
- // calling SetScrollbar() further down.
+ m_clientArea->HitTest(point, item, column);
+}
- Layout();
+wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
+ const wxDataViewColumn* column ) const
+{
+ return m_clientArea->GetItemRect(item, column);
+}
- AdjustScrollbars();
+wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
+{
+ return m_clientArea->GetItemByRow( row );
}
-bool wxDataViewCtrl::AssociateModel( wxDataViewListModel *model )
+int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
{
- if (!wxDataViewCtrlBase::AssociateModel( model ))
- return false;
+ return m_clientArea->GetRowByItem( item );
+}
- m_notifier = new wxGenericDataViewListModelNotifier( model );
+void wxDataViewCtrl::Expand( const wxDataViewItem & item )
+{
+ ExpandAncestors( item );
- model->AddNotifier( m_notifier );
+ int row = m_clientArea->GetRowByItem( item );
+ if (row != -1)
+ m_clientArea->Expand(row);
+}
- m_clientArea->UpdateDisplay();
-
- return true;
+void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
+{
+ int row = m_clientArea->GetRowByItem( item );
+ if (row != -1)
+ m_clientArea->Collapse(row);
}
-bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
+bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
{
- if (!wxDataViewCtrlBase::AppendColumn(col))
- return false;
-
- m_clientArea->UpdateDisplay();
-
- return true;
+ int row = m_clientArea->GetRowByItem( item );
+ if (row != -1)
+ return m_clientArea->IsExpanded(row);
+ return false;
}
-#endif
- // !wxUSE_GENERICDATAVIEWCTRL
+void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
+{
+ wxDataViewColumn* col = GetColumn( column );
+ if (!col)
+ return;
+
+ wxRect itemRect = GetItemRect(item, col);
+ wxDataViewRenderer* renderer = col->GetRenderer();
+ if (renderer->GetMode() == wxDATAVIEW_CELL_EDITABLE)
+ renderer->StartEditing(item, itemRect);
+}
-#endif
- // wxUSE_DATAVIEWCTRL
+#endif // !wxUSE_GENERICDATAVIEWCTRL
+#endif // wxUSE_DATAVIEWCTRL
projects / wxWidgets.git / blobdiff