X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/99d471a5db7e75fadd2c855ee02e5b2c38529763..5e60a12a069e1e7e8213d41c8d3243e7d3b0913e:/src/generic/datavgen.cpp diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp index 579c2a9db6..6d28209443 100644 --- a/src/generic/datavgen.cpp +++ b/src/generic/datavgen.cpp @@ -2,7 +2,7 @@ // Name: src/generic/datavgen.cpp // Purpose: wxDataViewCtrl generic implementation // Author: Robert Roebling -// Modified by: Francesco Montorsi, Guru Kathiresan, Otto Wyss +// Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang // Id: $Id$ // Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence @@ -42,6 +42,8 @@ #include "wx/renderer.h" #include "wx/dcbuffer.h" #include "wx/icon.h" +#include "wx/list.h" +#include "wx/listimpl.cpp" //----------------------------------------------------------------------------- // classes @@ -57,12 +59,20 @@ static const int PADDING_RIGHTLEFT = 3; // the cell padding on the top/bottom static const int PADDING_TOPBOTTOM = 1; +// the expander space margin +static const int EXPANDER_MARGIN = 4; //----------------------------------------------------------------------------- // wxDataViewHeaderWindow //----------------------------------------------------------------------------- -#define USE_NATIVE_HEADER_WINDOW 1 +#define USE_NATIVE_HEADER_WINDOW 0 + +//Below is the compare stuff +//For the generic implements, 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; // NB: for some reason, this class must be dllexport'ed or we get warnings from // MSVC in DLL build @@ -176,6 +186,8 @@ public: delete m_resizeCursor; } + virtual void UpdateDisplay() { Refresh(); } + // event handlers: void OnPaint( wxPaintEvent &event ); @@ -244,12 +256,154 @@ public: void Notify(); }; +//----------------------------------------------------------------------------- +// wxDataViewTreeNode +//----------------------------------------------------------------------------- +class wxDataViewTreeNode; +WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes ); +WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves); + +int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2); +int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2); + +class wxDataViewTreeNode +{ +public: + wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL ) + { this->parent = parent; + if( parent == NULL ) + open = true; + else + open = false; + hasChildren = false; + subTreeCount = 0; + } + //I don't know what I need to do in the destructure + ~wxDataViewTreeNode() + { + + } + + wxDataViewTreeNode * GetParent() { return parent; } + void SetParent( wxDataViewTreeNode * parent ) { this->parent = parent; } + wxDataViewTreeNodes & GetNodes() { return nodes; } + wxDataViewTreeLeaves & GetChildren() { return leaves; } + + void AddNode( wxDataViewTreeNode * node ) + { + leaves.Add( node->GetItem().GetID() ); + if (g_column >= -1) + leaves.Sort( &wxGenericTreeModelItemCmp ); + nodes.Add( node ); + if (g_column >= -1) + nodes.Sort( &wxGenericTreeModelNodeCmp ); + } + void AddLeaf( void * leaf ) + { + leaves.Add( leaf ); + if (g_column >= -1) + leaves.Sort( &wxGenericTreeModelItemCmp ); + } + + wxDataViewItem & GetItem() { return item; } + void SetItem( const wxDataViewItem & item ) { this->item = item; } + + unsigned int GetChildrenNumber() { return leaves.GetCount(); } + unsigned int GetNodeNumber() { return nodes.GetCount(); } + int GetIndentLevel() + { + int ret = 0 ; + wxDataViewTreeNode * node = this; + while( node->GetParent()->GetParent() != NULL ) + { + node = node->GetParent(); + ret ++; + } + return ret; + } + + bool IsOpen() + { + return open ; + } + + void ToggleOpen() + { + int len = nodes.GetCount(); + int sum = 0; + for ( int i = 0 ;i < len ; i ++) + sum += nodes[i]->GetSubTreeCount(); + + sum += leaves.GetCount(); + if( open ) + { + ChangeSubTreeCount(-sum); + open = !open; + } + else + { + open = !open; + ChangeSubTreeCount(sum); + } + } + bool HasChildren() { return hasChildren; } + void SetHasChildren( bool has ){ hasChildren = has; } + + void SetSubTreeCount( int num ) { subTreeCount = num; } + int GetSubTreeCount() { return subTreeCount; } + void ChangeSubTreeCount( int num ) + { + if( !open ) + return ; + subTreeCount += num; + if( parent ) + parent->ChangeSubTreeCount(num); + } + + void Resort() + { + if (g_column >= -1) + { + nodes.Sort( &wxGenericTreeModelNodeCmp ); + int len = nodes.GetCount(); + for (int i = 0; i < len; i ++) + { + nodes[i]->Resort(); + } + leaves.Sort( &wxGenericTreeModelItemCmp ); + } + } + +private: + wxDataViewTreeNode * parent; + wxDataViewTreeNodes nodes; + wxDataViewTreeLeaves leaves; + wxDataViewItem item; + bool open; + bool hasChildren; + int subTreeCount; +}; + +int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2) +{ + return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending ); +} + +int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2) +{ + return g_model->Compare( *id1, *id2, g_column, g_asending ); +} + + + //----------------------------------------------------------------------------- // 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 { @@ -261,15 +415,37 @@ public: const wxString &name = wxT("wxdataviewctrlmainwindow") ); virtual ~wxDataViewMainWindow(); - // notifications from wxDataViewListModel - bool RowAppended(); - bool RowPrepended(); - bool RowInserted( unsigned int before ); - bool RowDeleted( unsigned int row ); - bool RowChanged( unsigned int row ); - bool ValueChanged( unsigned int col, unsigned int row ); - bool RowsReordered( unsigned int *new_order ); + // notifications from wxDataViewModel + void SendModelEvent( wxEventType type, const wxDataViewItem & item); + 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 col ); bool Cleared(); + void Resort() + { + 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; } @@ -289,6 +465,7 @@ public: void OnRenameTimer(); void ScrollWindow( int dx, int dy, const wxRect *rect = NULL ); + void ScrollTo( int rows, int column ); bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; } void ChangeCurrentRow( unsigned int row ); @@ -299,15 +476,20 @@ public: int GetCountPerPage() const; int GetEndOfLastCol() const; unsigned int GetFirstVisibleRow() const; - unsigned int GetLastVisibleRow() const; - unsigned int GetRowCount() 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 ); @@ -322,6 +504,31 @@ public: //void EnsureVisible( unsigned int row ); wxRect GetLineRect( unsigned int row ) const; + //Some useful functions for row and item mapping + wxDataViewItem GetItemByRow( unsigned int row ) const; + int GetRowByItem( const wxDataViewItem & item ); + + //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 ); + + void Expand( unsigned int row ) { OnExpanding( row ); } + void Collapse( unsigned int row ) { OnCollapsing( row ); } +private: + wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ); + //We did not need this temporarily + //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item ); + + int RecalculateCount() ; + + wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item ); + void OnExpanding( unsigned int row ); + void OnCollapsing( unsigned int row ); + + wxDataViewTreeNode * FindNode( const wxDataViewItem & item ); + private: wxDataViewCtrl *m_owner; int m_lineHeight; @@ -347,37 +554,41 @@ private: // 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() }; // --------------------------------------------------------- -// wxGenericDataViewListModelNotifier +// wxGenericDataViewModelNotifier // --------------------------------------------------------- -class wxGenericDataViewListModelNotifier: public wxDataViewListModelNotifier +class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier { public: - wxGenericDataViewListModelNotifier( wxDataViewMainWindow *mainWindow ) + wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow ) { m_mainWindow = mainWindow; } - virtual bool RowAppended() - { return m_mainWindow->RowAppended(); } - virtual bool RowPrepended() - { return m_mainWindow->RowPrepended(); } - virtual bool RowInserted( unsigned int before ) - { return m_mainWindow->RowInserted( before ); } - virtual bool RowDeleted( unsigned int row ) - { return m_mainWindow->RowDeleted( row ); } - virtual bool RowChanged( unsigned int row ) - { return m_mainWindow->RowChanged( row ); } - virtual bool ValueChanged( unsigned int col, unsigned int row ) - { return m_mainWindow->ValueChanged( col, row ); } - virtual bool RowsReordered( unsigned int *new_order ) - { return m_mainWindow->RowsReordered( new_order ); } + 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; }; @@ -418,106 +629,6 @@ wxDC *wxDataViewRenderer::GetDC() return m_dc; } -bool wxDataViewRenderer::StartEditing( unsigned int row, wxRect labelRect ) -{ - GetView()->CalcScrolledPosition( labelRect.x, labelRect.y, - &labelRect.x, &labelRect.y); - - m_row = row; // remember for later - - unsigned int col = GetOwner()->GetModelColumn(); - wxVariant value; - GetOwner()->GetOwner()->GetModel()->GetValue( value, col, row ); - - m_editorCtrl = CreateEditorCtrl( GetOwner()->GetOwner()->GetMainWindow(), labelRect, value ); - - m_editorCtrl->PushEventHandler( new wxDataViewEditorCtrlEvtHandler( m_editorCtrl, this ) ); - - m_editorCtrl->SetFocus(); - - return true; -} - -void wxDataViewRenderer::CancelEditing() -{ - // m_editorCtrl->PopEventHandler( true ); - - delete m_editorCtrl; - - GetOwner()->GetOwner()->GetMainWindow()->SetFocus(); -} - -bool wxDataViewRenderer::FinishEditing() -{ - // m_editorCtrl->PopEventHandler( true ); - - wxVariant value; - GetValueFromEditorCtrl( m_editorCtrl, value ); - - delete m_editorCtrl; - - GetOwner()->GetOwner()->GetMainWindow()->SetFocus(); - - if (!Validate(value)) - return false; - - unsigned int col = GetOwner()->GetModelColumn(); - GetOwner()->GetOwner()->GetModel()->SetValue( value, col, m_row ); - GetOwner()->GetOwner()->GetModel()->ValueChanged( col, m_row ); - - return true; -} - -//----------------------------------------------------------------------------- -// wxDataViewEditorCtrlEvtHandler -//----------------------------------------------------------------------------- - -BEGIN_EVENT_TABLE(wxDataViewEditorCtrlEvtHandler, wxEvtHandler) - EVT_CHAR (wxDataViewEditorCtrlEvtHandler::OnChar) - EVT_KILL_FOCUS (wxDataViewEditorCtrlEvtHandler::OnKillFocus) -END_EVENT_TABLE() - -wxDataViewEditorCtrlEvtHandler::wxDataViewEditorCtrlEvtHandler( - wxControl *editorCtrl, - wxDataViewRenderer *owner ) -{ - m_owner = owner; - m_editorCtrl = editorCtrl; - - m_finished = false; -} - -void wxDataViewEditorCtrlEvtHandler::OnChar( wxKeyEvent &event ) -{ - switch ( event.m_keyCode ) - { - case WXK_RETURN: - m_finished = true; - m_owner->FinishEditing(); - break; - - case WXK_ESCAPE: - m_finished = true; - m_owner->CancelEditing(); - break; - - default: - event.Skip(); - } -} - -void wxDataViewEditorCtrlEvtHandler::OnKillFocus( wxFocusEvent &event ) -{ - if (!m_finished) - { - m_finished = true; - m_owner->FinishEditing(); - } - - // We must let the native text control handle focus - event.Skip(); -} - // --------------------------------------------------------- // wxDataViewCustomRenderer // --------------------------------------------------------- @@ -555,14 +666,14 @@ bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const } bool wxDataViewTextRenderer::HasEditorCtrl() -{ +{ return true; } wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value ) { - return new wxTextCtrl( parent, wxID_ANY, value, + return new wxTextCtrl( parent, wxID_ANY, value, wxPoint(labelRect.x,labelRect.y), wxSize(labelRect.width,labelRect.height) ); } @@ -697,13 +808,13 @@ bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state } bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell), - wxDataViewListModel *model, - unsigned int col, unsigned int row ) + wxDataViewModel *model, + const wxDataViewItem & item, unsigned int col) { bool value = !m_toggle; wxVariant variant = value; - model->SetValue( variant, col, row ); - model->ValueChanged( col, row ); + model->SetValue( variant, item, col); + model->ValueChanged( item, col ); return true; } @@ -779,12 +890,12 @@ class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow { public: wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value, - wxDataViewListModel *model, unsigned int col, unsigned int row ) : - wxPopupTransientWindow( parent, wxBORDER_SIMPLE ) + 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, wxID_ANY, *value ); wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL ); sizer->Add( m_cal, 1, wxGROW ); @@ -795,9 +906,9 @@ public: void OnCalendar( wxCalendarEvent &event ); wxCalendarCtrl *m_cal; - wxDataViewListModel *m_model; + wxDataViewModel *m_model; unsigned int m_col; - unsigned int m_row; + const wxDataViewItem & m_item; protected: virtual void OnDismiss() @@ -816,8 +927,8 @@ 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->SetValue( value, m_item, m_col ); + m_model->ValueChanged( m_item, m_col ); DismissAndNotify(); } @@ -862,16 +973,16 @@ wxSize wxDataViewDateRenderer::GetSize() const return wxSize(x,y+d); } -bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewListModel *model, - unsigned int col, unsigned int row ) +bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model, + const wxDataViewItem & item, unsigned int col ) { wxVariant variant; - model->GetValue( variant, col, row ); + model->GetValue( variant, item, col ); wxDateTime value = variant.GetDateTime(); #if wxUSE_DATE_RENDERER_POPUP wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient( - GetOwner()->GetOwner()->GetParent(), &value, model, col, row ); + GetOwner()->GetOwner()->GetParent(), &value, model, item, col); wxPoint pos = wxGetMousePosition(); popup->Move( pos ); popup->Layout(); @@ -882,6 +993,66 @@ bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewListMode return true; } +// --------------------------------------------------------- +// wxDataViewIconTextRenderer +// --------------------------------------------------------- + +IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer) + +wxDataViewIconTextRenderer::wxDataViewIconTextRenderer( + const wxString &varianttype, wxDataViewCellMode mode, int align ) : + wxDataViewCustomRenderer( varianttype, mode, align ) +{ + SetMode(mode); + SetAlignment(align); +} + +wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer() +{ +} + +bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value ) +{ + m_value << value; + return true; +} + +bool wxDataViewIconTextRenderer::GetValue( wxVariant &value ) const +{ + return false; +} + +bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state ) +{ + dc->SetFont( GetOwner()->GetOwner()->GetFont() ); + + const wxIcon &icon = m_value.GetIcon(); + if (icon.IsOk()) + { + dc->DrawIcon( icon, cell.x, cell.y ); // TODO centre + cell.x += icon.GetWidth()+4; + } + + dc->DrawText( m_value.GetText(), cell.x, cell.y ); + + return true; +} + +wxSize wxDataViewIconTextRenderer::GetSize() const +{ + return wxSize(80,16); // TODO +} + +wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value ) +{ + return NULL; +} + +bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl* editor, wxVariant &value ) +{ + return false; +} + // --------------------------------------------------------- // wxDataViewColumn // --------------------------------------------------------- @@ -919,6 +1090,7 @@ void wxDataViewColumn::Init( int width ) { m_width = width; m_minWidth = wxDVC_DEFAULT_MINWIDTH; + m_ascending = true; } void wxDataViewColumn::SetResizeable( bool resizeable ) @@ -947,17 +1119,24 @@ void wxDataViewColumn::SetSortable( bool sortable ) m_flags |= wxDATAVIEW_COL_SORTABLE; else m_flags &= ~wxDATAVIEW_COL_SORTABLE; + + // Update header button + if (GetOwner()) + GetOwner()->OnColumnChange(); } -void wxDataViewColumn::SetSortOrder( bool WXUNUSED(ascending) ) +void wxDataViewColumn::SetSortOrder( bool ascending ) { - // TODO + m_ascending = ascending; + + // Update header button + if (GetOwner()) + GetOwner()->OnColumnChange(); } bool wxDataViewColumn::IsSortOrderAscending() const { - // TODO - return true; + return m_ascending; } void wxDataViewColumn::SetInternalWidth( int width ) @@ -1091,6 +1270,7 @@ void wxDataViewHeaderWindowMSW::UpdateDisplay() // add the updated array of columns to the header control unsigned int cols = GetOwner()->GetColumnCount(); unsigned int added = 0; + wxDataViewModel * model = GetOwner()->GetModel(); for (unsigned int i = 0; i < cols; i++) { wxDataViewColumn *col = GetColumn( i ); @@ -1103,6 +1283,16 @@ void wxDataViewHeaderWindowMSW::UpdateDisplay() hdi.cxy = col->GetWidth(); hdi.cchTextMax = sizeof(hdi.pszText)/sizeof(hdi.pszText[0]); hdi.fmt = HDF_LEFT | HDF_STRING; + //hdi.fmt &= ~(HDF_SORTDOWN|HDF_SORTUP); + + //sorting support + if(model && m_owner->GetSortingColumn() == col) + { + //The Microsoft Comctrl32.dll 6.0 support SORTUP/SORTDOWN, but they are not default + //see http://msdn2.microsoft.com/en-us/library/ms649534.aspx for more detail + //hdi.fmt |= model->GetSortOrderAscending()? HDF_SORTUP:HDF_SORTDOWN; + ; + } // lParam is reserved for application's use: // we store there the column index to use it later in MSWOnNotify @@ -1224,6 +1414,28 @@ bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARA case HDN_ITEMCLICK: { unsigned int idx = GetColumnIdxFromHeader(nmHDR); + wxDataViewModel * model = GetOwner()->GetModel(); + + if(nmHDR->iButton == 0) + { + wxDataViewColumn *col = GetColumn(idx); + if(col->IsSortable()) + { + if(model && m_owner->GetSortingColumn() == col) + { + bool order = col->IsSortOrderAscending(); + col->SetSortOrder(!order); + } + else if(model) + { + m_owner->SetSortingColumn(col); + } + } + UpdateDisplay(); + if(model) + model->Resort(); + } + wxEventType evt = nmHDR->iButton == 0 ? wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK : wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK; @@ -1379,13 +1591,23 @@ void wxGenericDataViewHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) int cw = col->GetWidth(); int ch = h; + wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE; + if (col->IsSortable() && GetOwner()->GetSortingColumn() == col) + { + if (col->IsSortOrderAscending()) + sortArrow = wxHDR_SORT_ICON_UP; + else + sortArrow = wxHDR_SORT_ICON_DOWN; + } + wxRendererNative::Get().DrawHeaderButton ( this, dc, wxRect(xpos, 0, cw, ch-1), m_parent->IsEnabled() ? 0 - : (int)wxCONTROL_DISABLED + : (int)wxCONTROL_DISABLED, + sortArrow ); // align as required the column title: @@ -1441,10 +1663,6 @@ void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event ) m_owner->CalcUnscrolledPosition(w, 0, &w, NULL); w -= 6; - // erase the line if it was drawn - if (m_currentX < w) - DrawCurrent(); - if (event.ButtonUp()) { m_isDragging = false; @@ -1452,19 +1670,15 @@ void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event ) ReleaseMouse(); m_dirty = true; + } + m_currentX = wxMax(m_minX + 7, x); + if (m_currentX < w) + { GetColumn(m_column)->SetWidth(m_currentX - m_minX); - Refresh(); GetOwner()->Refresh(); } - else - { - m_currentX = wxMax(m_minX + 7, x); - - // draw in the new location - if (m_currentX < w) DrawCurrent(); - } } else // not dragging @@ -1519,14 +1733,38 @@ void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event ) m_isDragging = true; CaptureMouse(); m_currentX = x; - DrawCurrent(); } else // click on a column { + wxDataViewModel * model = GetOwner()->GetModel(); wxEventType evt = event.LeftDown() ? wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK : wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK; SendEvent(evt, m_column); + + //Left click the header + if(event.LeftDown()) + { + wxDataViewColumn *col = GetColumn(m_column); + if(col->IsSortable()) + { + wxDataViewColumn* sortCol = m_owner->GetSortingColumn(); + if(model && sortCol == col) + { + bool order = col->IsSortOrderAscending(); + col->SetSortOrder(!order); + } + else if(model) + { + m_owner->SetSortingColumn(col); + } + } + UpdateDisplay(); + if(model) + model->Resort(); + //Send the column sorted event + SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, m_column); + } } } else if (event.Moving()) @@ -1541,8 +1779,12 @@ void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event ) } } +//I must say that this function is deprecated, but I think it is useful to keep it for a time void wxGenericDataViewHeaderWindow::DrawCurrent() { +#if 1 + GetColumn(m_column)->SetWidth(m_currentX - m_minX); +#else int x1 = m_currentX; int y1 = 0; ClientToScreen (&x1, &y1); @@ -1560,7 +1802,8 @@ void wxGenericDataViewHeaderWindow::DrawCurrent() dc.SetPen(m_penCurrent); dc.SetBrush(*wxTRANSPARENT_BRUSH); AdjustDC(dc); - dc.DrawLine(x1, y1, x2, y2); + dc.DrawLine(x1, y1, x2, y2 ); +#endif } void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc) @@ -1595,6 +1838,9 @@ void wxDataViewRenameTimer::Notify() // wxDataViewMainWindow //----------------------------------------------------------------------------- +//The tree building helper, declared firstly +void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node); + int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 ) { if (row1 > row2) return 1; @@ -1650,11 +1896,21 @@ wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID i m_penRule = wxPen(GetRuleColour(), 1, wxSOLID); + //Here I compose a pen can draw black lines, maybe there are something system colour to use + m_penExpander = wxPen( wxColour(0,0,0), 1, wxSOLID ); + //Some new added code to deal with the tree structure + 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; } @@ -1665,7 +1921,6 @@ void wxDataViewMainWindow::OnRenameTimer() if ( m_dirty ) wxSafeYield(); - int xpos = 0; unsigned int cols = GetOwner()->GetColumnCount(); unsigned int i; @@ -1682,60 +1937,242 @@ void wxDataViewMainWindow::OnRenameTimer() wxRect labelRect( xpos, m_currentRow * m_lineHeight, m_currentCol->GetWidth(), m_lineHeight ); - m_currentCol->GetRenderer()->StartEditing( m_currentRow, labelRect ); -} + GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y, + &labelRect.x, &labelRect.y); -bool wxDataViewMainWindow::RowAppended() -{ - UpdateDisplay(); - return true; -} + wxDataViewItem item = GetItemByRow( m_currentRow ); + m_currentCol->GetRenderer()->StartEditing( item, labelRect ); -bool wxDataViewMainWindow::RowPrepended() -{ - UpdateDisplay(); - return true; } -bool wxDataViewMainWindow::RowInserted( unsigned int WXUNUSED(before) ) +//------------------------------------------------------------------ +// Helper class for do operation on the tree node +//------------------------------------------------------------------ +class DoJob { - UpdateDisplay(); - return true; -} +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 wxDataViewMainWindow::RowDeleted( unsigned int WXUNUSED(row) ) +bool Walker( wxDataViewTreeNode * node, DoJob & func ) { - UpdateDisplay(); - return true; -} + if( node==NULL ) + return false; -bool wxDataViewMainWindow::RowChanged( unsigned int WXUNUSED(row) ) -{ - UpdateDisplay(); - return true; + switch( func( node ) ) + { + case DoJob::OK : + return true ; + case DoJob::IGR: + return false; + case DoJob::CONT: + default: + ; + } + + wxDataViewTreeNodes nodes = node->GetNodes(); + 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::ValueChanged( unsigned int WXUNUSED(col), unsigned int row ) +void wxDataViewMainWindow::SendModelEvent( wxEventType type, const wxDataViewItem & item ) { - // NOTE: to be valid, we cannot use e.g. INT_MAX - 1 -#define MAX_VIRTUAL_WIDTH 100000 + wxWindow *parent = GetParent(); + wxDataViewEvent le(type, parent->GetId()); - 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 ); + le.SetEventObject(parent); + le.SetModel(GetOwner()->GetModel()); + le.SetItem( item ); - return true; + parent->GetEventHandler()->ProcessEvent(le); } -bool wxDataViewMainWindow::RowsReordered( unsigned int *WXUNUSED(new_order) ) +bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item) { + SortPrepare(); + + wxDataViewTreeNode * node; + node = FindNode(parent); + SendModelEvent(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_ADDED, item ); + + 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; } -bool wxDataViewMainWindow::Cleared() +void DestroyTreeHelper( wxDataViewTreeNode * node); + +bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent, + const wxDataViewItem& item) { - UpdateDisplay(); + wxDataViewTreeNode * node = FindNode(parent); + + wxCHECK_MSG( node != NULL, false, "item not found" ); + wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" ); + + int sub = -1; + node->GetChildren().Remove( item.GetID() ); + //Manuplate 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); + if( node->GetChildrenNumber() == 0) + { + node->GetParent()->GetNodes().Remove( node ); + delete node; + } + + //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(); + + SendModelEvent(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_DELETED, item); + + return true; +} + +bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item) +{ + SortPrepare(); + g_model->Resort(); + + SendModelEvent(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_CHANGED,item); + + return true; +} + +bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col ) +{ + // 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_MODEL_VALUE_CHANGED, parent->GetId()); + le.SetEventObject(parent); + le.SetModel(GetOwner()->GetModel()); + le.SetItem(item); + le.SetColumn(col); + le.SetDataViewColumn(GetOwner()->GetColumn(col)); + parent->GetEventHandler()->ProcessEvent(le); + + return true; +} + +bool wxDataViewMainWindow::Cleared() +{ + SortPrepare(); + + DestroyTree(); + UpdateDisplay(); + + wxWindow *parent = GetParent(); + wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_MODEL_CLEARED, parent->GetId()); + le.SetEventObject(parent); + le.SetModel(GetOwner()->GetModel()); + parent->GetEventHandler()->ProcessEvent(le); + return true; } @@ -1757,7 +2194,7 @@ void wxDataViewMainWindow::OnInternalIdle() void wxDataViewMainWindow::RecalculateDisplay() { - wxDataViewListModel *model = GetOwner()->GetModel(); + wxDataViewModel *model = GetOwner()->GetModel(); if (!model) { Refresh(); @@ -1765,7 +2202,7 @@ void wxDataViewMainWindow::RecalculateDisplay() } int width = GetEndOfLastCol(); - int height = model->GetRowCount() * m_lineHeight; + int height = GetRowCount() * m_lineHeight; SetVirtualSize( width, height ); GetOwner()->SetScrollRate( 10, m_lineHeight ); @@ -1781,9 +2218,46 @@ void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect ) GetOwner()->m_headerArea->ScrollWindow( dx, 0 ); } +void wxDataViewMainWindow::ScrollTo( int rows, int column ) +{ + int x, y; + m_owner->GetScrollPixelsPerUnit( &x, &y ); + int sy = rows*m_lineHeight/y; + int sx = 0; + if( column != -1 ) + { + wxRect rect = GetClientRect(); + unsigned int colnum = 0; + unsigned int x_start = 0, x_end = 0, 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()->GetColumn(colnum); + if (col->IsHidden()) + continue; // skip it! + + w = col->GetWidth(); + x_start += w; + } + + 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 ); +} + void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) { - wxDataViewListModel *model = GetOwner()->GetModel(); + wxDataViewModel *model = GetOwner()->GetModel(); wxAutoBufferedPaintDC dc( this ); // prepare the DC @@ -1799,7 +2273,7 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) unsigned int item_start = wxMax( 0, (update.y / m_lineHeight) ); unsigned int item_count = wxMin( (int)(((update.y + update.height) / m_lineHeight) - item_start + 1), - (int)(model->GetRowCount() - item_start) ); + (int)(GetRowCount( )- item_start) ); unsigned int item_last = item_start + item_count; // compute which columns needs to be redrawn @@ -1893,6 +2367,14 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) } } + wxDataViewColumn *expander = GetOwner()->GetExpanderColumn(); + if (!expander) + { + // TODO: last column for RTL support + expander = GetOwner()->GetColumn( 0 ); + GetOwner()->SetExpanderColumn(expander); + } + // redraw all cells for all rows which must be repainted and for all columns wxRect cell_rect; cell_rect.x = x_start; @@ -1906,19 +2388,66 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) if (col->IsHidden()) continue; // skipt it! + for (unsigned int item = item_start; item < item_last; item++) { // get the cell value and set it into the renderer wxVariant value; - model->GetValue( value, col->GetModelColumn(), item ); + wxDataViewTreeNode * node = GetTreeNodeByRow(item); + if( node == NULL ) + { + continue; + } + + wxDataViewItem dataitem = node->GetItem(); + model->GetValue( value, dataitem, col->GetModelColumn()); cell->SetValue( value ); // update the y offset cell_rect.y = item * m_lineHeight; + //Draw the expander here. + int indent = node->GetIndentLevel(); + if( col == expander ) + { + //Calculate the indent first + indent = cell_rect.x + GetOwner()->GetIndent() * indent; + + int expander_width = m_lineHeight - 2*EXPANDER_MARGIN; + // change the cell_rect.x to the appropriate pos + int expander_x = indent + EXPANDER_MARGIN , expander_y = cell_rect.y + EXPANDER_MARGIN ; + indent = indent + m_lineHeight ; //try to use the m_lineHeight as the expander space + dc.SetPen( m_penExpander ); + dc.SetBrush( wxNullBrush ); + if( node->HasChildren() ) + { + wxRect rect( expander_x , expander_y, expander_width, expander_width); + int flag = 0; + if (m_underMouse == node) + { + flag |= wxCONTROL_CURRENT; + } + if( node->IsOpen() ) + wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED ); + else + wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag); + } + else + { + // I am wandering whether we should draw dot lines between tree nodes + delete node; + //Yes, if the node does not have any child, it must be a leaf which mean that it is a temporarily created by GetTreeNodeByRow + } + + //force the expander column to left-center align + cell->SetAlignment( wxALIGN_CENTER_VERTICAL ); + } + + // cannot be bigger than allocated space wxSize size = cell->GetSize(); - size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width ); + // Because of the tree structure indent, here we should minus the width of the cell for drawing + size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent ); size.y = wxMin( size.y + 2*PADDING_TOPBOTTOM, cell_rect.height ); wxRect item_rect(cell_rect.GetTopLeft(), size); @@ -1946,6 +2475,9 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) ) item_rect.width = size.x - 2 * PADDING_RIGHTLEFT; item_rect.height = size.y - 2 * PADDING_TOPBOTTOM; + //Here we add the tree indent + item_rect.x += indent; + int state = 0; if (m_selection.Index(item) != wxNOT_FOUND) state |= wxDATAVIEW_CELL_SELECTED; @@ -1996,18 +2528,32 @@ unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const return y / m_lineHeight; } -unsigned int wxDataViewMainWindow::GetLastVisibleRow() const +unsigned int wxDataViewMainWindow::GetLastVisibleRow() { wxSize client_size = GetClientSize(); m_owner->CalcUnscrolledPosition( client_size.x, client_size.y, &client_size.x, &client_size.y ); - return wxMin( GetRowCount()-1, ((unsigned)client_size.y/m_lineHeight)+1 ); + //we should deal with the pixel here + unsigned int row = (client_size.y)/m_lineHeight; + if( client_size.y % m_lineHeight < m_lineHeight/2 ) + row -= 1; + + return wxMin( GetRowCount()-1, row ); } -unsigned int wxDataViewMainWindow::GetRowCount() const +unsigned int wxDataViewMainWindow::GetRowCount() { - return wx_const_cast(wxDataViewCtrl*, GetOwner())->GetModel()->GetRowCount(); + if ( m_count == -1 ) + { + m_count = RecalculateCount(); + int width, height; + GetVirtualSize( &width, &height ); + height = m_count * m_lineHeight; + + SetVirtualSize( width, height ); + } + return m_count; } void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row ) @@ -2115,6 +2661,18 @@ 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, row*m_lineHeight, GetEndOfLastCol(), m_lineHeight ); @@ -2189,6 +2747,8 @@ void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent } SelectRows( oldCurrent, newCurrent, true ); + if (oldCurrent!=newCurrent) + SendSelectionChangedEvent(GetItemByRow(m_selection[0])); } else // !shift { @@ -2201,7 +2761,10 @@ void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent ChangeCurrentRow( newCurrent ); if ( !event.ControlDown() ) + { SelectRow( m_currentRow, true ); + SendSelectionChangedEvent(GetItemByRow(m_currentRow)); + } else RefreshRow( m_currentRow ); } @@ -2220,6 +2783,460 @@ wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const return rect; } +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(row)) + { + ret = node->GetItem() ; + return DoJob::OK; + } + + if( node->GetSubTreeCount() + current < static_cast(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(row) - current - 1; + ret = node->GetChildren().Item( index ); + return DoJob::OK; + } + return DoJob::CONT; + } + } + + virtual int operator() ( void * n ) + { + current ++; + if( current == static_cast(row)) + { + ret = wxDataViewItem( n ) ; + return DoJob::OK; + } + return DoJob::CONT; + } + wxDataViewItem GetResult(){ return ret; } +private: + unsigned int row; + int current ; + wxDataViewItem ret; +}; + +wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const +{ + 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(row)) + { + ret = node ; + return DoJob::OK; + } + + if( node->GetSubTreeCount() + current < static_cast(row) ) + { + current += node->GetSubTreeCount(); + return DoJob::IGR; + } + else + { + parent = node; + //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(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(row)) + { + ret = new wxDataViewTreeNode( parent ) ; + ret->SetItem( wxDataViewItem( n )); + ret->SetHasChildren(false); + return DoJob::OK; + } + + return DoJob::CONT; + } + wxDataViewTreeNode * GetResult(){ return ret; } +private: + unsigned int row; + int current ; + wxDataViewTreeNode * ret; + wxDataViewTreeNode * parent ; +}; + + +wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) +{ + 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; +} + +void wxDataViewMainWindow::OnExpanding( unsigned int row ) +{ + wxDataViewTreeNode * node = GetTreeNodeByRow(row); + if( node != NULL ) + { + if( node->HasChildren()) + { + 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(); + //Here I build the children of current node + if( node->GetChildrenNumber() == 0 ) + { + SortPrepare(); + BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node); + } + m_count = -1; + UpdateDisplay(); + //Send the expanded event + SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem()); + } + else + { + SelectRow( row, false ); + SelectRow( row + 1, true ); + ChangeCurrentRow( row + 1 ); + SendSelectionChangedEvent( GetItemByRow(row+1)); + } + } + else + delete node; + } +} + +void wxDataViewMainWindow::OnCollapsing(unsigned int row) +{ + wxDataViewTreeNode * node = GetTreeNodeByRow(row); + if( node != NULL ) + { + wxDataViewTreeNode * nd = node; + + if( node->HasChildren() && node->IsOpen() ) + { + wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem()); + if( e.GetSkipped() ) + return; + node->ToggleOpen(); + m_count = -1; + UpdateDisplay(); + SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem()); + } + else + { + node = node->GetParent(); + if( node != NULL ) + { + int parent = GetRowByItem( node->GetItem() ) ; + if( parent >= 0 ) + { + SelectRow( row, false); + SelectRow(parent , true ); + ChangeCurrentRow( parent ); + SendSelectionChangedEvent( node->GetItem() ); + } + } + } + if( !nd->HasChildren()) + delete nd; + } +} + +wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item ) +{ + wxDataViewModel * model = GetOwner()->GetModel(); + if( model == NULL ) + return NULL; + + //Compose the a parent-chain of the finding item + ItemList list; + list.DeleteContents( true ); + wxDataViewItem it( item ); + while( it.IsOk() ) + { + wxDataViewItem * pItem = new wxDataViewItem( it ); + list.Insert( pItem ); + 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( ItemList::const_iterator iter = list.begin(); iter !=list.end() ; iter++ ) + { + if( node->HasChildren() ) + { + if( node->GetChildrenNumber() == 0 ) + { + SortPrepare(); + BuildTreeHelper(model, node->GetItem(), node); + } + + wxDataViewTreeNodes nodes = node->GetNodes(); + int i = 0; + for (; i < nodes.GetCount(); i ++) + { + if (nodes[i]->GetItem() == (**iter)) + { + node = nodes[i]; + break; + } + } + if (i == nodes.GetCount()) + return NULL; + } + else + return NULL; + } + return node; +} + +void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) +{ + wxDataViewColumn *col = NULL; + unsigned int cols = GetOwner()->GetColumnCount(); + unsigned int colnum = 0; + unsigned int x_start = 0; + int x, y; + m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y ); + for (x_start = 0; colnum < cols; colnum++) + { + col = GetOwner()->GetColumn(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( y/m_lineHeight ); +} + +wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) +{ + int row = GetRowByItem(item); + int y = row*m_lineHeight; + int h = m_lineHeight; + int x = 0; + wxDataViewColumn *col = NULL; + for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ ) + { + col = GetOwner()->GetColumn( i ); + x += col->GetWidth(); + if( GetOwner()->GetColumn(i+1) == column ) + break; + } + int w = col->GetWidth(); + m_owner->CalcScrolledPosition( x, y, &x, &y ); + return wxRect(x, y, w, h); +} + +int wxDataViewMainWindow::RecalculateCount() +{ + return m_root->GetSubTreeCount(); +} + +class ItemToRowJob : public DoJob +{ +public: + ItemToRowJob(const wxDataViewItem & item, ItemList::const_iterator iter ) + { this->item = item ; ret = -1 ; m_iter = iter ; } + virtual ~ItemToRowJob(){}; + + //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(){ return ret -1 ; } +private: + ItemList::const_iterator m_iter; + wxDataViewItem item; + int ret; + +}; + +int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) +{ + wxDataViewModel * model = GetOwner()->GetModel(); + if( model == NULL ) + return -1; + + if( !item.IsOk() ) + return -1; + + //Compose the a parent-chain of the finding item + ItemList list; + wxDataViewItem * pItem = NULL; + list.DeleteContents( true ); + wxDataViewItem it( item ); + while( it.IsOk() ) + { + pItem = new wxDataViewItem( it ); + list.Insert( pItem ); + it = model->GetParent( it ); + } + pItem = new wxDataViewItem( ); + list.Insert( pItem ); + + ItemToRowJob job( item, list.begin() ); + Walker(m_root , job ); + return job.GetResult(); +} + +void BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, wxDataViewTreeNode * node) +{ + if( !model->IsContainer( item ) ) + return ; + + wxDataViewItemArray children; + unsigned int num = model->GetChildren( item, children); + 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) +{ + //First we define a invalid item to fetch the top-level elements + wxDataViewItem item; + SortPrepare(); + BuildTreeHelper( model, item, m_root); + m_count = -1 ; +} + +void DestroyTreeHelper( wxDataViewTreeNode * node ) +{ + if( node->GetNodeNumber() != 0 ) + { + int len = node->GetNodeNumber(); + int i = 0 ; + wxDataViewTreeNodes nodes = node->GetNodes(); + for( ; i < len; i ++ ) + { + DestroyTreeHelper(nodes[i]); + } + } + delete node; +} + +void wxDataViewMainWindow::DestroyTree() +{ + DestroyTreeHelper(m_root); + m_root->SetSubTreeCount(0); + m_count = 0 ; +} + void wxDataViewMainWindow::OnChar( wxKeyEvent &event ) { if (event.GetKeyCode() == WXK_TAB) @@ -2255,7 +3272,13 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event ) if ( m_currentRow < GetRowCount() - 1 ) OnArrowChar( m_currentRow + 1, event ); break; - + //Add the process for tree expanding/collapsing + case WXK_LEFT: + OnCollapsing(m_currentRow); + break; + case WXK_RIGHT: + OnExpanding( m_currentRow); + break; case WXK_END: if (!IsEmpty()) OnArrowChar( GetRowCount() - 1, event ); @@ -2306,7 +3329,6 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) int x = event.GetX(); int y = event.GetY(); m_owner->CalcUnscrolledPosition( x, y, &x, &y ); - wxDataViewColumn *col = NULL; int xpos = 0; @@ -2327,17 +3349,56 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) } if (!col) return; - wxDataViewRenderer *cell = col->GetRenderer(); + wxDataViewRenderer *cell = col->GetRenderer(); unsigned int current = y / m_lineHeight; - if ((current > GetRowCount()) || (x > GetEndOfLastCol())) { // Unselect all if below the last row ? return; } - wxDataViewListModel *model = GetOwner()->GetModel(); + //Test whether the mouse is hovered on the tree item button + bool hover = false; + if (GetOwner()->GetExpanderColumn() == col) + { + wxDataViewTreeNode * node = GetTreeNodeByRow(current); + if( node!=NULL && node->HasChildren() ) + { + int indent = node->GetIndentLevel(); + indent = GetOwner()->GetIndent()*indent; + wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN); + if( rect.Contains( x, y) ) + { + //So the mouse is over the expander + hover = true; + if (m_underMouse && m_underMouse != node) + { + //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem())); + Refresh(GetRowByItem(m_underMouse->GetItem())); + } + if (m_underMouse != node) + { + //wxLogMessage("Do the row: %d", current); + Refresh(current); + } + m_underMouse = node; + } + } + if (node!=NULL && !node->HasChildren()) + delete node; + } + if (!hover) + { + if (m_underMouse != NULL) + { + //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem())); + Refresh(GetRowByItem(m_underMouse->GetItem())); + m_underMouse = NULL; + } + } + + wxDataViewModel *model = GetOwner()->GetModel(); if (event.Dragging()) { @@ -2379,12 +3440,23 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) { if (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE) { + wxDataViewItem item = GetItemByRow(current); wxVariant value; - model->GetValue( value, col->GetModelColumn(), current ); + model->GetValue( value, item, col->GetModelColumn() ); cell->SetValue( value ); wxRect cell_rect( xpos, current * m_lineHeight, col->GetWidth(), m_lineHeight ); - cell->Activate( cell_rect, model, col->GetModelColumn(), current ); + cell->Activate( cell_rect, model, item, col->GetModelColumn() ); + + wxWindow *parent = GetParent(); + wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId()); + + le.SetEventObject(parent); + le.SetColumn(col->GetModelColumn()); + le.SetDataViewColumn(col); + le.SetModel(GetOwner()->GetModel()); + + parent->GetEventHandler()->ProcessEvent(le); } return; } @@ -2405,7 +3477,28 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) SelectRow( m_lineSelectSingleOnUp, true ); } - if (m_lastOnSame) + //Process the event of user clicking the expander + bool expander = false; + if (GetOwner()->GetExpanderColumn() == col) + { + wxDataViewTreeNode * node = GetTreeNodeByRow(current); + if( node!=NULL && node->HasChildren() ) + { + int indent = node->GetIndentLevel(); + indent = GetOwner()->GetIndent()*indent; + wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN); + if( rect.Contains( x, y) ) + { + expander = true; + if( node->IsOpen() ) + OnCollapsing(current); + else + OnExpanding( current ); + } + } + } + //If the user click the expander, we do not do editing even if the column with expander are editable + if (m_lastOnSame && !expander ) { if ((col == m_currentCol) && (current == m_currentRow) && (cell->GetMode() == wxDATAVIEW_CELL_EDITABLE) ) @@ -2438,6 +3531,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) SelectAllRows(false); ChangeCurrentRow(current); SelectRow(m_currentRow,true); + SendSelectionChangedEvent(GetItemByRow( m_currentRow ) ); } // notify cell about right click @@ -2453,9 +3547,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) } if (event.LeftDown() || forceClick) { -#ifdef __WXMSW__ SetFocus(); -#endif m_lineBeforeLastClicked = m_lineLastClicked; m_lineLastClicked = current; @@ -2469,10 +3561,9 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) 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 { @@ -2485,8 +3576,8 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) if (cmdModifierDown) { ChangeCurrentRow(current); - ReverseRowSelection(m_currentRow); + SendSelectionChangedEvent(GetItemByRow(m_selection[0]) ); } else if (event.ShiftDown()) { @@ -2502,6 +3593,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event ) } SelectRows(lineFrom, lineTo, true); + SendSelectionChangedEvent(GetItemByRow(m_selection[0]) ); } else // !ctrl, !shift { @@ -2543,9 +3635,18 @@ void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event ) 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) @@ -2629,15 +3730,17 @@ void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) ) AdjustScrollbars(); } -bool wxDataViewCtrl::AssociateModel( wxDataViewListModel *model ) +bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model ) { if (!wxDataViewCtrlBase::AssociateModel( model )) return false; - m_notifier = new wxGenericDataViewListModelNotifier( m_clientArea ); + m_notifier = new wxGenericDataViewModelNotifier( m_clientArea ); model->AddNotifier( m_notifier ); + m_clientArea->BuildTree(model); + m_clientArea->UpdateDisplay(); return true; @@ -2648,6 +3751,7 @@ bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col ) if (!wxDataViewCtrlBase::AppendColumn(col)) return false; + m_cols.Append( col ); OnColumnChange(); return true; } @@ -2660,48 +3764,294 @@ void wxDataViewCtrl::OnColumnChange() m_clientArea->UpdateDisplay(); } -void wxDataViewCtrl::SetSelection( int row ) +void wxDataViewCtrl::DoSetExpanderColumn() +{ + m_clientArea->UpdateDisplay(); +} + +void wxDataViewCtrl::DoSetIndent() +{ + m_clientArea->UpdateDisplay(); +} + +unsigned int wxDataViewCtrl::GetColumnCount() const +{ + return m_cols.GetCount(); +} + +wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const { - m_clientArea->SelectRow(row, true); + wxDataViewColumnList::const_iterator iter; + int i = 0; + for (iter = m_cols.begin(); iter!=m_cols.end(); iter++) + { + if (i == pos) + return *iter; + + if ((*iter)->IsHidden()) + continue; + i ++; + } + return NULL; +} + +bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column ) +{ + wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column ); + if (ret == NULL) + return false; + + m_cols.Erase(ret); + delete column; + OnColumnChange(); + + return true; } -void wxDataViewCtrl::SetSelectionRange( unsigned int from, unsigned int to ) +bool wxDataViewCtrl::ClearColumns() { - m_clientArea->SelectRows(from, to, true); + m_cols.clear(); + OnColumnChange(); + return true; } -void wxDataViewCtrl::SetSelections( const wxArrayInt& aSelections ) +int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const { - m_clientArea->Select(aSelections); + int ret = 0, dead = 0; + int len = GetColumnCount(); + for (int i=0; iIsHidden()) + continue; + ret += col->GetWidth(); + if (column==col) + { + CalcScrolledPosition( ret, dead, &ret, &dead ); + break; + } + } + return ret; } -void wxDataViewCtrl::Unselect( unsigned int WXUNUSED(row) ) +wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const { - // FIXME - TODO + return NULL; } -bool wxDataViewCtrl::IsSelected( unsigned int WXUNUSED(row) ) const +//Selection code with wxDataViewItem as parameters +wxDataViewItem wxDataViewCtrl::GetSelection() const { - // FIXME - TODO + return m_clientArea->GetSelection(); +} +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; +} + +void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel ) +{ + wxDataViewSelection selection(wxDataViewSelectionCmp) ; + int len = sel.GetCount(); + for( int i = 0; i < len; i ++ ) + { + int row = m_clientArea->GetRowByItem( sel[i] ); + if( row >= 0 ) + selection.Add( static_cast(row) ); + } + m_clientArea->SetSelections( selection ); +} + +void wxDataViewCtrl::Select( const wxDataViewItem & 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); + } +} + +void wxDataViewCtrl::Unselect( const wxDataViewItem & item ) +{ + int row = m_clientArea->GetRowByItem( item ); + if( row >= 0 ) + m_clientArea->SelectRow(row, false); +} + +bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const +{ + int row = m_clientArea->GetRowByItem( item ); + if( row >= 0 ) + { + return m_clientArea->IsRowSelected(row); + } return false; } -int wxDataViewCtrl::GetSelection() const +//Selection code with row number as parameter +int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const { - // FIXME - TODO + 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( row ); + } + return len; +} - return -1; +void wxDataViewCtrl::SetSelections( const wxArrayInt & sel ) +{ + wxDataViewSelection selection(wxDataViewSelectionCmp) ; + int len = sel.GetCount(); + for( int i = 0; i < len; i ++ ) + { + int row = sel[i]; + if( row >= 0 ) + selection.Add( static_cast(row) ); + } + m_clientArea->SetSelections( selection ); } -int wxDataViewCtrl::GetSelections(wxArrayInt& WXUNUSED(aSelections) ) const +void wxDataViewCtrl::Select( int row ) { - // FIXME - TODO + if( row >= 0 ) + { + if (m_clientArea->IsSingleSel()) + m_clientArea->SelectAllRows(false); + m_clientArea->SelectRow( row, true ); + } +} - return 0; +void wxDataViewCtrl::Unselect( int row ) +{ + if( row >= 0 ) + m_clientArea->SelectRow(row, false); } -#endif +bool wxDataViewCtrl::IsSelected( int row ) const +{ + if( row >= 0 ) + return m_clientArea->IsRowSelected(row); + return false; +} + +void wxDataViewCtrl::SelectRange( int from, int to ) +{ + wxArrayInt sel; + for( int i = from; i < to; i ++ ) + sel.Add( i ); + m_clientArea->Select(sel); +} + +void wxDataViewCtrl::UnselectRange( int from, int to ) +{ + 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); +} + +void wxDataViewCtrl::SelectAll() +{ + m_clientArea->SelectAllRows(true); +} + +void wxDataViewCtrl::UnselectAll() +{ + m_clientArea->SelectAllRows(false); +} + +void wxDataViewCtrl::EnsureVisible( int row, int column ) +{ + if( row < 0 ) + row = 0; + if( row > m_clientArea->GetRowCount() ) + row = m_clientArea->GetRowCount(); + + 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 ); +} + +void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column ) +{ + int row = m_clientArea->GetRowByItem(item); + if( row >= 0 ) + { + if( column == NULL ) + EnsureVisible(row, -1); + else + { + int col = 0; + int len = GetColumnCount(); + for( int i = 0; i < len; i ++ ) + if( GetColumn(i) == column ) + { + col = i; + break; + } + EnsureVisible( row, col ); + } + } + +} + +void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const +{ + m_clientArea->HitTest(point, item, column); +} + +wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const +{ + return m_clientArea->GetItemRect(item, column); +} + +wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const +{ + return m_clientArea->GetItemByRow( row ); +} + +int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const +{ + return m_clientArea->GetRowByItem( item ); +} + +void wxDataViewCtrl::Expand( const wxDataViewItem & item ) +{ + int row = m_clientArea->GetRowByItem( item ); + if (row != -1) + m_clientArea->Expand(row); +} + +void wxDataViewCtrl::Collapse( const wxDataViewItem & item ) +{ + int row = m_clientArea->GetRowByItem( item ); + if (row != -1) + m_clientArea->Collapse(row); +} + + #endif // !wxUSE_GENERICDATAVIEWCTRL #endif