private void PushUndoStack()
{
// Undo/Redo
ISupportUndo pageVMUndo = designerCanvas.DataContext as ISupportUndo;
IGroupOperation pageVMGroup = designerCanvas.DataContext as IGroupOperation;
if (pageVMUndo == null)
{
return;
}
CompositeCommand cmds = new CompositeCommand();
IPagePropertyData Page = designerCanvas.DataContext as IPagePropertyData;
bool bHasGroup = Page.GetSelectedwidgets().Any(a => a.IsGroup);
// Create undoable command for widgets
foreach (WidgetViewModBase item in _infoItems)
{
item.PropertyMementos.SetPropertyNewValue("Left", item.Raw_Left);
item.PropertyMementos.SetPropertyNewValue("Top", item.Raw_Top);
if (item.WidgetType == WidgetType.Toast && item.Top != 0)
{
item.PropertyMementos.SetPropertyNewValue("DisplayPosition", ToastDisplayPosition.UserSetting);
}
PropertyChangeCommand cmd = new PropertyChangeCommand(item, item.PropertyMementos);
cmds.AddCommand(cmd);
}
// Create undoable command for groups
if (pageVMGroup != null)
{
List <Guid> groupGuids = _groups.Select(x => x.WidgetID).ToList();
if (designerItem.ParentID != Guid.Empty)
{
groupGuids.Add(designerItem.ParentID);
}
if (groupGuids.Count > 0)
{
UpdateGroupCommand cmd = new UpdateGroupCommand(pageVMGroup, groupGuids);
cmds.AddCommand(cmd);
}
}
// Push to undo stack
if (cmds.Count > 0)
{
List <IWidgetPropertyData> allSelects = _selectionService.GetSelectedWidgets();
cmds.AddCommand(new SelectCommand(pageVMGroup, allSelects));
cmds.DeselectAllWidgetsFirst();
pageVMUndo.UndoManager.Push(cmds);
}
}
private void RotateThumb_DragCompleted(object sender, DragCompletedEventArgs e)
{
if (_infoItems.Count <= 0)
{
return;
}
// Undo/Redo
ISupportUndo pageVMUndo = canvas.DataContext as ISupportUndo;
IGroupOperation pageVMGroup = canvas.DataContext as IGroupOperation;
if (pageVMUndo == null)
{
return;
}
CompositeCommand cmds = new CompositeCommand();
// Create undoable command for widgets
foreach (WidgetViewModBase item in _infoItems)
{
item.PropertyMementos.SetPropertyNewValue("RotateAngle", item.RotateAngle);
if (this.designerItem.IsGroup)
{
item.PropertyMementos.SetPropertyNewValue("Left", item.Raw_Left);
item.PropertyMementos.SetPropertyNewValue("Top", item.Raw_Top);
}
PropertyChangeCommand cmd = new PropertyChangeCommand(item, item.PropertyMementos);
cmds.AddCommand(cmd);
}
// Create undoable command for groups
if (pageVMGroup != null)
{
List <Guid> groupGuids = new List <Guid>();
if (designerItem.ParentID != Guid.Empty)
{
groupGuids.Add(designerItem.ParentID);
UpdateGroupCommand cmd = new UpdateGroupCommand(pageVMGroup, groupGuids);
cmds.AddCommand(cmd);
}
if (this.designerItem.IsGroup)
{
groupGuids.Add((designerItem.DataContext as GroupViewModel).WidgetID);
UpdateGroupCommand cmd = new UpdateGroupCommand(pageVMGroup, groupGuids);
cmds.AddCommand(cmd);
}
}
// Push to undo stack
if (cmds.Count > 0)
{
List <IWidgetPropertyData> allSelects = _selectionService.GetSelectedWidgets();
cmds.AddCommand(new SelectCommand(pageVMGroup, allSelects));
cmds.DeselectAllWidgetsFirst();
pageVMUndo.UndoManager.Push(cmds);
}
}