#include "wx/listimpl.cpp"
#include "wx/imaglist.h"
#include "wx/headerctrl.h"
+#include "wx/dnd.h"
//-----------------------------------------------------------------------------
// classes
protected:
// implement/override wxHeaderCtrl functions by forwarding them to the main
// control
- virtual wxHeaderColumn& GetColumn(unsigned int idx)
+ virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
{
return *(GetOwner()->GetColumn(idx));
}
void Expand( unsigned int row ) { OnExpanding( row ); }
void Collapse( unsigned int row ) { OnCollapsing( row ); }
+ bool IsExpanded( unsigned int row ) const;
+
+ bool EnableDragSource( const wxDataFormat &format );
+ bool EnableDropTarget( const wxDataFormat &format );
+
+ 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();
+
private:
wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
//We did not need this temporarily
int m_dragCount;
wxPoint m_dragStart;
+
+ bool m_dragEnabled;
+ wxDataFormat m_dragFormat;
+
+ bool m_dropEnabled;
+ wxDataFormat m_dropFormat;
// for double click logic
unsigned int m_lineLastClicked,
return false;
}
+//-----------------------------------------------------------------------------
+// wxDataViewDropTarget
+//-----------------------------------------------------------------------------
+
+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;
+};
+
//-----------------------------------------------------------------------------
// wxDataViewRenameTimer
//-----------------------------------------------------------------------------
m_lineBeforeLastClicked = (unsigned int) -1;
m_lineSelectSingleOnUp = (unsigned int) -1;
+ m_dragEnabled = false;
+ m_dropEnabled = false;
+
m_hasFocus = false;
SetBackgroundColour( *wxWHITE );
delete m_renameTimer;
}
+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;
+}
+
+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()) || (yy > GetEndOfLastCol()))
+ 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 ))
+ return wxDragNone;
+
+ if (!event.IsAllowed())
+ return wxDragNone;
+
+ return def;
+}
+
+bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
+{
+ int xx = x;
+ int yy = y;
+ m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
+ unsigned int row = GetLineAt( yy );
+
+ if ((row >= GetRowCount()) || (yy > 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()) || (yy > 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()
+{
+}
+
void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
wxDataViewModel *model = GetOwner()->GetModel();
return le;
}
+
+bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
+{
+ if (IsVirtualList())
+ return false;
+
+ wxDataViewTreeNode * node = GetTreeNodeByRow(row);
+ if (!node)
+ return false;
+
+ if (!node->HasChildren())
+ {
+ delete node;
+ return false;
+ }
+
+ return node->IsOpen();
+}
+
+
void wxDataViewMainWindow::OnExpanding( unsigned int row )
{
if (IsVirtualList())
wxDataViewModel * model = GetOwner()->GetModel();
if( model == NULL )
return NULL;
+
+ if (!item.IsOk())
+ return m_root;
//Compose the a parent-chain of the finding item
ItemList list;
wxDataViewItemArray children;
unsigned int num = model->GetChildren( item, children);
+
unsigned int index = 0;
while( index < num )
{
{
case WXK_RETURN:
{
- if (m_currentRow > 0)
+ if (m_currentRow >= 0)
{
wxWindow *parent = GetParent();
wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
wxDataViewRenderer *cell = col->GetRenderer();
unsigned int current = GetLineAt( y );
- if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
+ if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
{
// Unselect all if below the last row ?
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;
+
+ wxDropSource drag( m_owner );
+ drag.SetData( *obj );
+ // wxImage image( 80, 20 );
+ // wxBitmap bitmap( image );
+ wxDragResult res = drag.DoDragDrop();
+ delete obj;
}
return;
}
// select single line
SelectAllRows( false );
SelectRow( m_lineSelectSingleOnUp, true );
+ SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
}
//Process the event of user clicking the expander
return true;
}
+bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
+{
+ return m_clientArea->EnableDragSource( format );
+}
+
+bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
+{
+ return m_clientArea->EnableDropTarget( format );
+}
+
bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
{
if (!wxDataViewCtrlBase::AppendColumn(col))
void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
{
wxDataViewSelection selection(wxDataViewSelectionCmp);
+
+ wxDataViewItem last_parent;
+
int len = sel.GetCount();
for( int i = 0; i < len; i ++ )
{
- int row = m_clientArea->GetRowByItem( sel[i] );
+ wxDataViewItem item = sel[i];
+ wxDataViewItem parent = GetModel()->GetParent( item );
+ if (parent)
+ {
+ if (parent != last_parent)
+ ExpandAncestors(item);
+ }
+
+ last_parent = parent;
+ int row = m_clientArea->GetRowByItem( item );
if( row >= 0 )
selection.Add( static_cast<unsigned int>(row) );
}
+
m_clientArea->SetSelections( selection );
}
void wxDataViewCtrl::Select( const wxDataViewItem & item )
{
+ ExpandAncestors( item );
+
int row = m_clientArea->GetRowByItem( item );
if( row >= 0 )
{
void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
{
+ ExpandAncestors( item );
+
+ m_clientArea->RecalculateDisplay();
+
int row = m_clientArea->GetRowByItem(item);
if( row >= 0 )
{
m_clientArea->Collapse(row);
}
+bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
+{
+ int row = m_clientArea->GetRowByItem( item );
+ if (row != -1)
+ return m_clientArea->IsExpanded(row);
+ return false;
+}
+
+
#endif
// !wxUSE_GENERICDATAVIEWCTRL
projects / wxWidgets.git / blobdiff