+ // Draw vertical rules if required
+ if ( m_owner->HasFlag(wxDV_VERT_RULES) )
+ {
+ dc.SetPen(m_penRule);
+ dc.SetBrush(*wxTRANSPARENT_BRUSH);
+
+ int x = x_start;
+ for (unsigned int i = col_start; i < col_last; i++)
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
+ if (col->IsHidden())
+ continue; // skip it
+
+ dc.DrawLine(x, GetLineStart( item_start ),
+ x, GetLineStart( item_last ) );
+
+ x += col->GetWidth();
+ }
+
+ // Draw last vertical rule
+ dc.DrawLine(x, GetLineStart( item_start ),
+ x, GetLineStart( item_last ) );
+ }
+
+ // redraw the background for the items which are selected/current
+ for (unsigned int item = item_start; item < item_last; item++)
+ {
+ bool selected = m_selection.Index( item ) != wxNOT_FOUND;
+ if (selected || item == m_currentRow)
+ {
+ int flags = selected ? (int)wxCONTROL_SELECTED : 0;
+ if (item == m_currentRow)
+ flags |= wxCONTROL_CURRENT;
+ if (m_hasFocus)
+ flags |= wxCONTROL_FOCUSED;
+
+ wxRect rect( x_start, GetLineStart( item ),
+ x_last - x_start, GetLineHeight( item ) );
+ wxRendererNative::Get().DrawItemSelectionRect
+ (
+ this,
+ dc,
+ rect,
+ flags
+ );
+ }
+ }
+
+#if wxUSE_DRAG_AND_DROP
+ if (m_dropHint)
+ {
+ wxRect rect( x_start, GetLineStart( m_dropHintLine ),
+ x_last - x_start, GetLineHeight( m_dropHintLine ) );
+ dc.SetPen( *wxBLACK_PEN );
+ dc.SetBrush( *wxTRANSPARENT_BRUSH );
+ dc.DrawRectangle( rect );
+ }
+#endif // wxUSE_DRAG_AND_DROP
+
+ wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
+ if (!expander)
+ {
+ // TODO-RTL: last column for RTL support
+ expander = GetOwner()->GetColumnAt( 0 );
+ GetOwner()->SetExpanderColumn(expander);
+ }
+
+ // redraw all cells for all rows which must be repainted and all columns
+ wxRect cell_rect;
+ cell_rect.x = x_start;
+ for (unsigned int i = col_start; i < col_last; i++)
+ {
+ wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
+ wxDataViewRenderer *cell = col->GetRenderer();
+ cell_rect.width = col->GetWidth();
+
+ if ( col->IsHidden() || cell_rect.width <= 0 )
+ continue; // skip it!
+
+ for (unsigned int item = item_start; item < item_last; item++)
+ {
+ // get the cell value and set it into the renderer
+ 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 );
+
+ wxDataViewItemAttr attr;
+ model->GetAttr(dataitem, col->GetModelColumn(), attr);
+ cell->SetAttr(attr);
+
+ // update cell_rect
+ cell_rect.y = GetLineStart( item );
+ cell_rect.height = GetLineHeight( item );
+
+ // deal with the expander
+ int indent = 0;
+ if ((!IsVirtualList()) && (col == expander))
+ {
+ // Calculate the indent first
+ indent = GetOwner()->GetIndent() * node->GetIndentLevel();
+
+ // we reserve m_lineHeight of horizontal space for the expander
+ // but leave EXPANDER_MARGIN around the expander itself
+ int exp_x = cell_rect.x + indent + EXPANDER_MARGIN;
+
+ indent += m_lineHeight;
+
+ // draw expander if needed and visible
+ if ( node->HasChildren() && exp_x < cell_rect.GetRight() )
+ {
+ dc.SetPen( m_penExpander );
+ dc.SetBrush( wxNullBrush );
+
+ int exp_size = m_lineHeight - 2*EXPANDER_MARGIN;
+ int exp_y = cell_rect.y + (cell_rect.height - exp_size)/2
+ + EXPANDER_MARGIN - EXPANDER_OFFSET;
+
+ const wxRect rect(exp_x, exp_y, exp_size, exp_size);
+
+ int flag = 0;
+ if ( m_underMouse == node )
+ flag |= wxCONTROL_CURRENT;
+ if ( node->IsOpen() )
+ flag |= wxCONTROL_EXPANDED;
+
+ // ensure that we don't overflow the cell (which might
+ // happen if the column is very narrow)
+ wxDCClipper clip(dc, cell_rect);
+
+ wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
+ }
+
+ // force the expander column to left-center align
+ cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
+ }
+ if (node && !node->HasChildren())
+ {
+ // Yes, if the node does not have any child, it must be a leaf which
+ // mean that it is a temporarily created by GetTreeNodeByRow
+ wxDELETE(node);
+ }
+
+ wxRect item_rect = cell_rect;
+ item_rect.Deflate(PADDING_RIGHTLEFT, 0);
+
+ // account for the tree indent (harmless if we're not indented)
+ item_rect.x += indent;
+ item_rect.width -= indent;
+
+ if ( item_rect.width <= 0 )
+ continue;
+
+ int state = 0;
+ if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
+ state |= wxDATAVIEW_CELL_SELECTED;
+
+ // TODO: it would be much more efficient to create a clipping
+ // region for the entire column being rendered (in the OnPaint
+ // of wxDataViewMainWindow) instead of a single clip region for
+ // each cell. However it would mean that each renderer should
+ // respect the given wxRect's top & bottom coords, eventually
+ // violating only the left & right coords - however the user can
+ // make its own renderer and thus we cannot be sure of that.
+ wxDCClipper clip(dc, item_rect);
+
+ cell->WXCallRender(item_rect, &dc, state);
+ }
+
+ cell_rect.x += cell_rect.width;
+ }
+}
+
+void wxDataViewMainWindow::OnRenameTimer()
+{
+ // We have to call this here because changes may just have
+ // been made and no screen update taken place.
+ if ( m_dirty )
+ {
+ // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
+ // (needs to be tested!)
+ wxSafeYield();
+ }
+
+ wxDataViewItem item = GetItemByRow( m_currentRow );
+
+ wxRect labelRect = GetItemRect(item, m_currentCol);
+
+ m_currentCol->GetRenderer()->StartEditing( item, labelRect );
+}
+
+//-----------------------------------------------------------------------------
+// Helper class for do operation on the tree node
+//-----------------------------------------------------------------------------
+class DoJob
+{
+public:
+ DoJob() { }
+ virtual ~DoJob() { }
+
+ // The return value control how the tree-walker tranverse the tree
+ // 0: Job done, stop tranverse and return
+ // 1: Ignore the current node's subtree and continue
+ // 2: Job not done, continue
+ enum { OK = 0 , IGR = 1, CONT = 2 };
+ virtual int operator() ( wxDataViewTreeNode * node ) = 0;
+ virtual int operator() ( void * n ) = 0;
+};
+
+bool Walker( wxDataViewTreeNode * node, DoJob & func )
+{
+ if( node==NULL )
+ return false;
+
+ switch( func( node ) )
+ {
+ case DoJob::OK :
+ return true;
+ case DoJob::IGR:
+ return false;
+ case DoJob::CONT:
+ default:
+ ;
+ }
+
+ 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();
projects / wxWidgets.git / blobdiff