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));
}
