+ 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, 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, 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())
+ continue; // skip it!
+
+ for (unsigned int item = item_start; item < item_last; item++)
+ {
+ // get the cell value and set it into the renderer
+ wxVariant value;
+ 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) );
+ }
+
+ model->GetValue( value, dataitem, col->GetModelColumn());
+ cell->SetValue( value );
+
+ if (cell->GetWantsAttr())
+ {
+ wxDataViewItemAttr attr;
+ bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
+ if (ret)
+ cell->SetAttr( attr );
+ cell->SetHasAttr( ret );
+ }
+
+ // update cell_rect
+ cell_rect.y = GetLineStart( item );
+ cell_rect.height = GetLineHeight( item );
+
+ // Draw the expander here.
+ int indent = 0;
+ if ((!IsVirtualList()) && (col == expander))
+ {
+ indent = node->GetIndentLevel();
+
+ // 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;
+ int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2)
+ - (expander_width/2) - EXPANDER_OFFSET;
+
+ 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);
+ }
+
+ // 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);
+ }
+
+ // cannot be bigger than allocated space
+ wxSize size = cell->GetSize();
+
+ // 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, cell_rect.height );
+ size.y = cell_rect.height;
+
+ wxRect item_rect(cell_rect.GetTopLeft(), size);
+ int align = cell->CalculateAlignment();
+
+ // horizontal alignment:
+ item_rect.x = cell_rect.x;
+ if (align & wxALIGN_CENTER_HORIZONTAL)
+ item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
+ else if (align & wxALIGN_RIGHT)
+ item_rect.x = cell_rect.x + cell_rect.width - size.x;
+ // else: wxALIGN_LEFT is the default
+
+ // vertical alignment:
+ item_rect.y = cell_rect.y;
+ if (align & wxALIGN_CENTER_VERTICAL)
+ item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
+ else if (align & wxALIGN_BOTTOM)
+ item_rect.y = cell_rect.y + cell_rect.height - size.y;
+ // else: wxALIGN_TOP is the default
+
+ // add padding
+ item_rect.x += PADDING_RIGHTLEFT;
+ item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
+
+ // Here we add the tree indent
+ item_rect.x += indent;
+
+ 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.
+ dc.SetClippingRegion( item_rect );
+ cell->Render( item_rect, &dc, state );
+ dc.DestroyClippingRegion();
+ }
+
+ 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:
+ ;
+ }
+
+ 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::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
+{
+ 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)
+{
+ 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);
+
+ 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() );
+ // 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)
+{
+ 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 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_ITEM_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()
+{
+ DestroyTree();
+
+ SortPrepare();
+ BuildTree( GetOwner()->GetModel() );
+
+ UpdateDisplay();
+
+ return true;
+}
+
+void wxDataViewMainWindow::UpdateDisplay()
+{
+ m_dirty = true;
+}
+
+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 )
+{
+ wxWindow::ScrollWindow( dx, dy, rect );
+
+ if (GetOwner()->m_headerArea)
+ GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
+}
+
+void wxDataViewMainWindow::ScrollTo( int rows, int column )
+{
+ 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!
+
+ wxVariant value;
+ model->GetValue( value, item, column->GetModelColumn() );
+
+ wxDataViewRenderer *renderer =
+ const_cast<wxDataViewRenderer*>(column->GetRenderer());
+ renderer->SetValue( value );
+ 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!
+
+ wxVariant value;
+ model->GetValue( value, item, column->GetModelColumn() );
+
+ wxDataViewRenderer *renderer =
+ const_cast<wxDataViewRenderer*>(column->GetRenderer());
+ renderer->SetValue( value );
+ 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!
+
+ wxVariant value;
+ model->GetValue( value, item, column->GetModelColumn() );
+
+ wxDataViewRenderer *renderer =
+ const_cast<wxDataViewRenderer*>(column->GetRenderer());
+ renderer->SetValue( value );
+ 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 (IsVirtualList())
+ 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 (IsVirtualList())
+ 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 (IsVirtualList())
+ 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 (IsVirtualList())
+ return;
+
+ wxDataViewTreeNode *node = GetTreeNodeByRow(row);
+ if (!node)
+ return;
+
+ if (!node->HasChildren())
projects / wxWidgets.git / blobdiff