public CreatureStructureEditorCanvasVM(CreatureVM creature, ToolCollectionVM toolCollectionVM)
{
HistoryStack = new HistoryStackVM <CreatureStructureEditorCanvasVM>(this);
HistoryStack.PropertyChanged += (o, e) => Reset();
Creature = creature;
CameraVM = new CameraVM {
OffsetX = -CanvasWidth / 2, OffsetY = -CanvasHeight / 2
};
ToolCollectionVM = toolCollectionVM;
CanvasSizeChangedCommand = new DelegateHandleCommand <SizeChange>(CanvasSizeChanged, o => true);
CanvasMouseDownCommand =
new DelegateHandleCommand <MouseInfo>(mouseInfo =>
ToolCollectionVM.SelectedTool?.OnCanvasMouseDown(mouseInfo,
this,
Keyboard.Modifiers) ==
true,
o => true);
CanvasMouseUpCommand =
new DelegateHandleCommand <MouseInfo>(mouseInfo =>
ToolCollectionVM.SelectedTool?.OnCanvasMouseUp(mouseInfo,
this,
Keyboard.Modifiers) ==
true,
o => true);
CanvasMouseMoveCommand =
new DelegateHandleCommand <MouseInfo>(mouseInfo =>
ToolCollectionVM.SelectedTool?.OnCanvasMouseMove(mouseInfo,
this,
Keyboard.Modifiers) ==
true,
o => true);
CanvasMouseWheelCommand = new DelegateHandleCommand <MouseWheelInfo>(mouseWheelInfo =>
ToolCollectionVM
.SelectedTool?.OnCanvasMouseWheel(mouseWheelInfo,
this,
Keyboard
.Modifiers) ==
true,
o => true);
CanvasMouseEnterCommand =
new DelegateCommand(o => ToolCollectionVM.SelectedTool?.OnCanvasMouseEnter(this, Keyboard.Modifiers), o => true);
CanvasMouseLeaveCommand =
new DelegateCommand(o => ToolCollectionVM.SelectedTool?.OnCanvasMouseLeave(this, Keyboard.Modifiers), o => true);
}
private bool CanvasSizeChanged(SizeChange sizeChange)
{
CameraVM.UpdateBoundaries();
return(true);
}