public DGraph(DNestedGraphLabel parent)
: base(parent)
{
InitializeComponent();
NeedToCalculateLayout = true;
ContentEditorProvider = new ContentEditorProvider(this);
Edges = new List<DEdge>();
NodeMap = new Dictionary<IComparable, DNode>();
DrawingLayoutEditor = new LayoutEditor(this);
DrawingLayoutEditor.ChangeInUndoRedoList += (sender, args) =>
{
FirePropertyChanged("CanUndo");
FirePropertyChanged("CanRedo");
};
// I'm doing a slight change to the default toggle entity predicate: I don't want the user to be able to select nodes while I'm in
// insertion mode. Note that this only concerns the DrawingLayoutEditor, which deals with dragging - by changing the toggle entity
// predicate, I affect selection of entities while dragging a selection window, NOT selection by simple click. So, this ensures that
// the user cannot draw a selection window (which doesn't make sense in editing mode), but he can still select single entities by
// clicking on them.
var defaultToggleEntityPredicate = DrawingLayoutEditor.ToggleEntityPredicate;
DrawingLayoutEditor.ToggleEntityPredicate = (modKeys, mButtons, dragPar) => defaultToggleEntityPredicate(modKeys, mButtons, dragPar) && MouseMode != DraggingMode.ComboInsertion && MouseMode != DraggingMode.EdgeInsertion;
// These decorators are exactly the same as the default ones, but they use my LineWidth fix (see DNode.cs).
// Once the LineWidth bug in MSAGL is fixed, we should remove these.
DrawingLayoutEditor.DecorateObjectForDragging = DecorateObjectForDragging;
DrawingLayoutEditor.RemoveObjDraggingDecorations = RemoveObjDraggingDecorations;
EdgeRoutingMode = EdgeRoutingMode.Spline;
MouseMode = DefaultMouseMode = DraggingMode.Pan;
BeginContentEdit = DefaultBeginContentEdit;
//EndContentEdit = DefaultEndContentEdit;
MouseLeftButtonDoubleClick += new EventHandler<MsaglMouseEventArgs>(DGraph_MouseLeftButtonDoubleClick);
Clear();
}
public GraphmapsViewer() {
layoutEditor = new LayoutEditor(this);
_graphCanvas.MouseLeftButtonDown += GraphCanvasMouseLeftButtonDown;
_graphCanvas.MouseRightButtonDown += GraphCanvasRightMouseDown;
_graphCanvas.MouseMove += GraphCanvasMouseMove;
_graphCanvas.Focusable = true;
_graphCanvas.FocusVisualStyle = null;
_graphCanvas.KeyDown += GraphCanvasKeyDown;
_graphCanvas.MouseLeftButtonUp += GraphCanvasMouseLeftButtonUp;
_graphCanvas.MouseWheel += GraphCanvasMouseWheel;
_graphCanvas.MouseRightButtonUp += GraphCanvasRightMouseUp;
ViewChangeEvent += AdjustBtrectRenderTransform;
LayoutEditingEnabled = true;
clickCounter = new ClickCounter(() => Mouse.GetPosition((IInputElement) _graphCanvas.Parent));
clickCounter.Elapsed += ClickCounterElapsed;
_hitTestHandler = new HitTestHandler(_graphCanvas);
CreateRectToFillCanvas();
_stringFinder = new LgStringFinder(this, (a) => _lgLayoutSettings.GeometryNodesToLgNodeInfos[a.GeometryNode]);
_tileFetcher = new TileFetcher(this, GetVisibleTilesSet);
}
void InitDrawingLayoutEditor(){
if (LayoutEditor == null){
LayoutEditor = new LayoutEditor(this);
LayoutEditor.ChangeInUndoRedoList += DrawingLayoutEditor_ChangeInUndoRedoList;
}
undoButton.ImageIndex = (int) ImageEnum.UndoDisabled;
redoButton.ImageIndex = (int) ImageEnum.RedoDisabled;
}
public GraphViewer() {
//LargeGraphNodeCountThreshold = 0;
layoutEditor = new LayoutEditor(this);
_graphCanvas.SizeChanged += GraphCanvasSizeChanged;
_graphCanvas.MouseLeftButtonDown += GraphCanvasMouseLeftButtonDown;
_graphCanvas.MouseRightButtonDown += GraphCanvasRightMouseDown;
_graphCanvas.MouseMove += GraphCanvasMouseMove;
_graphCanvas.MouseLeftButtonUp += GraphCanvasMouseLeftButtonUp;
_graphCanvas.MouseWheel += GraphCanvasMouseWheel;
_graphCanvas.MouseRightButtonUp += GraphCanvasRightMouseUp;
ViewChangeEvent += AdjustBtrectRenderTransform;
LayoutEditingEnabled = true;
clickCounter = new ClickCounter(() => Mouse.GetPosition((IInputElement) _graphCanvas.Parent));
clickCounter.Elapsed += ClickCounterElapsed;
}