private void DisplayCuboids(ObservableCollection <Cuboid> cuboids)
{
foreach (Cuboid cuboid in cuboids)
{
CuboidControl cuboidControl = new CuboidControl
{
Cuboid = cuboid,
ViewDirection = ViewDirection,
FullSize = FullSize
};
Binding binding = new Binding("IsGridVisible")
{
ElementName = "konstruktor",
Mode = BindingMode.OneWay
};
cuboidControl.SetBinding(CuboidControl.IsGridVisibleProperty, binding);
MainCanvas.Children.Add(cuboidControl);
}
}
private void CuboidControl_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (!FullSize || DataContext == null)
{
return;
}
// In this event, we get the current mouse position on the control to use it in the MouseMove event.
CuboidControl cc = sender as CuboidControl;
Canvas canvas = cc.Parent as Canvas;
if (cc.Cuboid.FromSelection)
{
MainWindowViewModel vm = DataContext as MainWindowViewModel;
vm.SelectedCuboidId = vm.SelectedCuboidId == cc.Cuboid.SelectId ? 0 : cc.Cuboid.SelectId;
}
if (IsGridVisible)
{
MainWindowViewModel vm = DataContext as MainWindowViewModel;
// if none is selected remove
if (vm.SelectedCuboidId == 0)
{
vm.RemoveCuboid(cc.Cuboid);
return;
}
}
if (!cc.Cuboid.IsOnTop)
{
return;
}
firstXPos = e.GetPosition(cc).X;
firstYPos = e.GetPosition(cc).Y;
movingObject = sender;
startX = cc.Cuboid.X;
startY = cc.Cuboid.Y;
startZ = cc.Cuboid.Z;
// Put the image currently being dragged on top of the others
int start = Canvas.GetZIndex(cc);
int top = start;
foreach (UIElement child in canvas.Children)
{
if (child is CuboidControl && top < Canvas.GetZIndex(child))
{
top = Canvas.GetZIndex(child);
}
}
if (top > start)
{
Canvas.SetZIndex(cc, top + 1);
}
foreach (UIElement child in canvas.Children)
{
if (child is Line)
{
Canvas.SetZIndex(child, top + 1);
}
}
Mouse.Capture(cc);
}
private void CuboidControl_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
if (!FullSize || IsGridVisible)
{
return;
}
CuboidControl cc = sender as CuboidControl;
Canvas canvas = cc.Parent as Canvas;
if (!cc.Cuboid.IsOnTop)
{
return;
}
MainWindowViewModel vm = DataContext as MainWindowViewModel;
if (cc.Cuboid.FromSelection)
{
switch (ViewDirection)
{
case ViewDirection.TopView:
cc.Cuboid.Z = CuboidsHelper.FindLastCoordinateForTopView(vm.Cuboids, cc.Cuboid.X, cc.Cuboid.Y);
break;
case ViewDirection.FrontView:
cc.Cuboid.Y = CuboidsHelper.FindLastCoordinateForFrontView(vm.Cuboids, cc.Cuboid.X, cc.Cuboid.Z) - cc.Cuboid.Depth;
break;
case ViewDirection.BackView:
cc.Cuboid.Y = CuboidsHelper.FindLastCoordinateForBackView(vm.Cuboids, cc.Cuboid.X, cc.Cuboid.Z);
break;
case ViewDirection.LeftView:
cc.Cuboid.X = CuboidsHelper.FindLastCoordinateForLeftView(vm.Cuboids, cc.Cuboid.Y, cc.Cuboid.Z) - cc.Cuboid.Width;
break;
case ViewDirection.RightView:
cc.Cuboid.X = CuboidsHelper.FindLastCoordinateForRightView(vm.Cuboids, cc.Cuboid.Y, cc.Cuboid.Z);
break;
}
Cuboid newCuboid = new Cuboid(cc.Cuboid);
if (cc.Cuboid.IsDragged && CuboidsHelper.CheckIfCanBeAdded(vm.Cuboids, newCuboid))
{
ObservableCollection <Cuboid> tmp = new ObservableCollection <Cuboid>(vm.Cuboids);
tmp.Add(newCuboid);
vm.Cuboids = new ObservableCollection <Cuboid>(tmp);
vm.Actions.Add(new List <ActionObject>()
{
new ActionObject(newCuboid, ActionType.Add)
});
}
cc.Cuboid.IsDragged = false;
}
else
{
if (ViewDirection == ViewDirection.TopView)
{
cc.Cuboid.Z = CuboidsHelper.FindLastCoordinateForTopView(vm.Cuboids, cc.Cuboid);
}
if (CuboidsHelper.CheckIfCanBeAdded(vm.Cuboids, cc.Cuboid))
{
Cuboid startCuboid = new Cuboid(cc.Cuboid);
startCuboid.X = startX;
startCuboid.Y = startY;
startCuboid.Z = startZ;
List <ActionObject> actions = new List <ActionObject>()
{
new ActionObject(startCuboid, ActionType.Remove),
new ActionObject(new Cuboid(cc.Cuboid), ActionType.Add)
};
vm.Actions.Add(actions);
}
else
{
cc.Cuboid.X = startX;
cc.Cuboid.Y = startY;
cc.Cuboid.Z = startZ;
}
}
CuboidsHelper.ResetIsOnTop(vm.Cuboids);
CuboidsHelper.ResetZIndexes(canvas, ViewDirection);
movingObject = null;
Mouse.Capture(null);
}
private void CuboidControl_PreviewMouseMove(object sender, MouseEventArgs e)
{
if (!FullSize || IsGridVisible)
{
return;
}
if (e.LeftButton == MouseButtonState.Pressed && sender == movingObject)
{
CuboidControl cc = sender as CuboidControl;
Canvas canvas = cc.Parent as Canvas;
if (!cc.Cuboid.IsOnTop)
{
return;
}
if (cc.Cuboid.FromSelection)
{
MainWindowViewModel vm = DataContext as MainWindowViewModel;
vm.SelectedCuboidId = cc.Cuboid.SelectId;
cc.Cuboid.IsDragged = true;
}
int largeFactor = Settings.LargeFactor;
int selectionWidth = Settings.LargeFactor * Settings.SelectionWidth;
double newLeft = e.GetPosition(canvas).X - firstXPos - canvas.Margin.Left;
double newTop = e.GetPosition(canvas).Y - firstYPos - canvas.Margin.Top;
if (!cc.Cuboid.FromSelection)
{
// newLeft inside canvas right-border?
if (newLeft > canvas.Margin.Left + canvas.ActualWidth - cc.ActualWidth - selectionWidth)
{
newLeft = canvas.Margin.Left + canvas.ActualWidth - cc.ActualWidth - selectionWidth;
}
}
else
{
// newLeft inside canvas right-border?
if (newLeft > canvas.Margin.Left + canvas.ActualWidth - cc.ActualWidth - (Settings.SelectionWidth - 2) * Settings.LargeFactor)
{
newLeft = canvas.Margin.Left + canvas.ActualWidth - cc.ActualWidth - (Settings.SelectionWidth - 2) * Settings.LargeFactor;
}
}
// newLeft inside canvas left-border?
if (newLeft < canvas.Margin.Left)
{
newLeft = canvas.Margin.Left;
}
newLeft = Math.Floor(newLeft / largeFactor);
// newTop inside canvas bottom-border?
if (newTop > canvas.Margin.Top + canvas.ActualHeight - cc.ActualHeight)
{
newTop = canvas.Margin.Top + canvas.ActualHeight - cc.ActualHeight;
}
// newTop inside canvas top-border?
else if (newTop < canvas.Margin.Top)
{
newTop = canvas.Margin.Top;
}
newTop = Math.Ceiling(newTop / largeFactor);
int max = Settings.MaxSize;
switch (cc.ViewDirection)
{
case ViewDirection.TopView:
cc.Cuboid.X = (int)newLeft;
cc.Cuboid.Y = max - cc.Cuboid.Depth - (int)newTop;
break;
case ViewDirection.FrontView:
cc.Cuboid.X = (int)newLeft;
cc.Cuboid.Z = max - cc.Cuboid.Height - (int)newTop;
break;
case ViewDirection.BackView:
cc.Cuboid.X = max - cc.Cuboid.Width - (int)newLeft;
cc.Cuboid.Z = max - cc.Cuboid.Height - (int)newTop;
break;
case ViewDirection.LeftView:
cc.Cuboid.Y = max - cc.Cuboid.Depth - (int)newLeft;
cc.Cuboid.Z = max - cc.Cuboid.Height - (int)newTop;
break;
case ViewDirection.RightView:
cc.Cuboid.Y = (int)newLeft;
cc.Cuboid.Z = max - cc.Cuboid.Height - (int)newTop;
break;
}
}
}