public void ToggleOutline(bool state)
{
MainWindow.ins.drawCanvas.Children.Remove(outline);
MainWindow.ins.drawCanvas.Children.Remove(handle);
Hierarchy.GetInstance().GetTopGroup().GetAllShapes().ForEach(x => ((OrnamentDecorator)x).DisplayOrnaments(false));
if (state)
{
GetAllShapes().ForEach(x => ((OrnamentDecorator)x).DisplayOrnaments(true));
// calculate the transform of the outline.
CalculateTransform();
// Draw it for the first time.
DrawOutline();
// update the origin pos and scale of the outline.
outline.UpdateOriginTransform();
// and also for the handle.
handle.UpdateOriginTransform();
// update the origin pos and scale of the outline.
UpdateOriginTransform();
// instantiate it.
MainWindow.ins.drawCanvas.Children.Add(outline);
MainWindow.ins.drawCanvas.Children.Add(handle);
}
else
{
//GetAllShapes().ForEach(x => ((OrnamentDecorator)x).DisplayOrnaments(false));
// remove it.
MainWindow.ins.drawCanvas.Children.Remove(outline);
MainWindow.ins.drawCanvas.Children.Remove(handle);
}
}
private void InitializeShortcutActions(Action <Key> onKeyDown)
{
onKeyDown += (key) =>
{
switch (key)
{
case Key.Z: if
(Keyboard.IsKeyDown(Key.LeftCtrl))
{
commandManager.Undo();
}
break;
case Key.R: if
(Keyboard.IsKeyDown(Key.LeftCtrl))
{
commandManager.Redo();
}
break;
case Key.M:
commandManager.InvokeCommand(new SwitchGroupCommand(Hierarchy.GetInstance().GetTopGroup())); break;
case Key.J:
if (Keyboard.IsKeyDown(Key.LeftCtrl) && Selection.GetInstance().GetChildren().Count > 0)
{
commandManager.InvokeCommand(new MergeCommand());
}
break;
}
};
}
public void SaveProgramState()
{
if (!Hierarchy.GetInstance().GetTopGroup().GetChildren().Any())
{
File.Delete(textFile);
return;
}
File.WriteAllText(textFile, "");
// disable the outline.
Selection.GetInstance().ToggleOutline(false);
// get their type and transform and write it to the file.
//File.AppendAllText(textFile, $"{Hierarchy.GetInstance().GetTopGroup().ToString(0)}");
File.AppendAllText(textFile, $"{Hierarchy.GetInstance().GetTopGroup().Accept(new WriteVisitor(0))}");
}
public MainWindow()
{
InitializeComponent();
// initialize the singleton.
ins ??= this;
// make te style button a toggle for the shape buttons.
buttonStyle.Click += (a, b) => stylesDisplay.Visibility = stylesDisplay.Visibility == Visibility.Collapsed ? Visibility.Visible : Visibility.Collapsed;
// initialize the clear button.
buttonClear.Click += (a, b) => CommandManager.GetInstance().InvokeCommand(new ClearCommand());
// set the current newState to None.
SwitchState(States.None);
// assign the stack panel from the hierarchy.
Hierarchy.GetInstance().SetStackPanel(selectionDisplay);
// Initialize the buttons
InitializeStyleButtons();
// bind the undo and redo actions to their corresponding buttons
buttonUndo.Click += (a, b) => CommandManager.GetInstance().Undo();
buttonRedo.Click += (a, b) => CommandManager.GetInstance().Redo();
// als bind it to the control+z and contrl+r keys
KeyDown += (a, b) =>
{
switch (b.Key)
{
case Key.Z: if (Keyboard.IsKeyDown(Key.LeftCtrl))
{
CommandManager.GetInstance().Undo();
}
break;
case Key.R: if (Keyboard.IsKeyDown(Key.LeftCtrl))
{
CommandManager.GetInstance().Redo();
}
break;
case Key.M: CommandManager.GetInstance().InvokeCommand(new SwitchGroupCommand(Hierarchy.GetInstance().GetTopGroup())); break;
case Key.J:
if (Keyboard.IsKeyDown(Key.LeftCtrl) && Selection.GetInstance().GetChildren().Count > 0)
{
CommandManager.GetInstance().InvokeCommand(new MergeCommand());
}
break;
}
};
// go to back to Draw newState when rmb is pressed.
MouseRightButtonDown += (a, b) =>
{
if (state == States.Select)
{
new ChangeShapeStyleCommand(styleIndex).Execute();
Selection.GetInstance().Clear();
Hierarchy.GetInstance().DeselectAllButtons();
}
};
// click the first shape button
((Button)stylesDisplay.Children[0]).RaiseEvent(new RoutedEventArgs(System.Windows.Controls.Primitives.ButtonBase.ClickEvent));
}
