public static void Redo(ICanvas canvas, IDiagramCreator creator, bool pushUndo)
{
var history = Get(canvas);
var undo = history.Undo;
var redo = history.Redo;
if (redo.Count <= 0)
{
return;
}
// save current model
if (pushUndo == true)
{
var current = ModelEditor.GenerateDiagram(canvas, null, canvas.GetProperties());
undo.Push(current);
}
// restore previous model
var model = redo.Pop();
ModelEditor.Clear(canvas);
ModelEditor.Parse(model,
canvas, creator,
0, 0,
false, true, false, true);
NotifyCanvasHistoryChanged(new CanvasHistoryChangedEventArgs()
{
Canvas = canvas,
Undo = undo,
Redo = redo
});
}
public void Copy()
{
var canvas = Context.CurrentCanvas;
string model = ModelEditor.Generate(ModelEditor.GetSelected(canvas));
if (model.Length == 0)
{
model = ModelEditor.GenerateDiagram(canvas, null, canvas.GetProperties());
}
ClipboardSetText(model);
}
public static string Add(ICanvas canvas)
{
var history = Get(canvas);
var undo = history.Undo;
var redo = history.Redo;
var model = ModelEditor.GenerateDiagram(canvas, null, canvas.GetProperties());
undo.Push(model);
redo.Clear();
NotifyCanvasHistoryChanged(new CanvasHistoryChangedEventArgs()
{
Canvas = canvas,
Undo = undo,
Redo = redo
});
return(model);
}
public void SaveDiagram(string fileName, ICanvas canvas)
{
ModelEditor.Save(fileName, ModelEditor.GenerateDiagram(canvas, null, canvas.GetProperties()));
}