private void undoButton_Click(object sender, RoutedEventArgs e)
{
Action lastAction = actionList[actionList.Count - 1];
actionList.Remove(lastAction);
undoActionList.Add(lastAction);
lastAction.Undo();
if (actionList.Count == 0)
{
undoButton.IsEnabled = false;
curGraphic = null;
selectRibbonButton_Unchecked(sender, e);
}
else
{
Action prevLastAction = actionList[actionList.Count - 1];
curGraphic = prevLastAction.GetGraphic();
}
DrawStuff();
redoButton.IsEnabled = true;
isChange = true;
UpdateLayerImage();
}
private void Background_MouseUp(object sender, MouseButtonEventArgs e)
{
if (curAction != null && curAction.GetGraphic() != null)
{
AddNewAction(curAction);
undoActionList.Clear();
isChange = true;
}
DrawStuff();
}
private void redoButton_Click(object sender, RoutedEventArgs e)
{
Action lastUndoAction = undoActionList[undoActionList.Count - 1];
undoActionList.Remove(lastUndoAction);
actionList.Add(lastUndoAction);
lastUndoAction.Redo();
curGraphic = lastUndoAction.GetGraphic();
DrawStuff();
undoButton.IsEnabled = true;
if (undoActionList.Count == 0)
{
redoButton.IsEnabled = false;
}
isChange = true;
UpdateLayerImage();
}
private void Background_MouseDown(object sender, MouseButtonEventArgs e)
{
if (e.LeftButton == MouseButtonState.Pressed)
{
switch (curActionType)
{
case ActionType.Drawing:
curAction = new Actions.Drawing(layerSystem.GetLayer(curLayerIndex),
(ShapeType)CbBox_Shapes.SelectedItem, CurrentBrush.Brush, curOutLineColor,
curOutlineWidth, curDashStyle, e.GetPosition(Background));
curGraphic = curAction.GetGraphic();
break;
case ActionType.Selecting:
curAction = new Selecting(layerSystem.GetLayer(curLayerIndex), e.GetPosition(Background));
curGraphic = curAction.GetGraphic();
curAction = null;
if (curGraphic != null)
{
curActionType = ActionType.Selected;
EnableMenuItem();
}
break;
case ActionType.Selected:
if (curGraphic.Intersect(e.GetPosition(Background)))
{
curAction = new Moving(curGraphic, e.GetPosition(Background));
}
else
if (curGraphic.IntersectWithAnchor(e.GetPosition(Background)) != AnchorType.None)
{
curAction = new Resizing(curGraphic, e.GetPosition(Background));
}
else
{
curActionType = ActionType.Selecting;
selectRibbonButton_Checked(sender, e);
}
break;
case ActionType.Rotating:
if (curGraphic != null)
{
curAction = new Rotating(curGraphic, e.GetPosition(Background));
}
break;
case ActionType.DrawingText:
cTextbox = new CustomTextbox.CustomTextbox(e.GetPosition(Background));
cTextbox.showTextbox(mainGrid, e.GetPosition(mainGrid));
cTextbox.changeFont(cbFonts.SelectedItem.ToString());
cTextbox.changeFontSize(cbFontSize.SelectedItem.ToString());
using (DrawingContext drawingContext = drawingVisual.RenderOpen())
{
cTextbox.DrawRect(drawingContext);
}
buffer.Render(drawingVisual);
curActionType = ActionType.Editting;
break;
case ActionType.Editting:
btnConfirm_Click(sender, e);
break;
}
}
}
