void MainWindow_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
RectInfo rect = null;
Panel parent;
if (SelControl == null)
{
return;
}
if (SelControl.Parent == null)
{
return;
}
if (Math.Abs(e.GetPosition(this).X - PushPoint.X) <= 2 && Math.Abs(e.GetPosition(this).Y - PushPoint.Y) <= 2 && IsAddPanel == false)
{
return;
}
if (IsAddPanel == false)
{
return;
}
RemovePanel();
rect = Collision(rectInfo, new Rect(e.GetPosition(this).X, e.GetPosition(this).Y, SelControl.ActualWidth, SelControl.ActualHeight));
if (rect == null)
{
return;
}
parent = SelControl.Parent as Panel;
if (parent != null)
{
parent.Children.Remove(SelControl);
}
switch (rect.Container.GetType().Name)
{
case "DesignerCanvas":
rect.Container.Children.Add(SelControl);
Canvas.SetLeft(SelControl, e.GetPosition(rect.Container).X - point.X);
Canvas.SetTop(SelControl, e.GetPosition(rect.Container).Y - point.Y);
break;
case "Grid":
if (rect.Row != -1 && rect.Column != -1)
{
Grid.SetRow(SelControl, rect.Row);
Grid.SetColumn(SelControl, rect.Column);
}
SelControl.Height = double.NaN;
SelControl.Width = double.NaN;
rect.Container.Children.Add(SelControl);
break;
}
SelControl.IsSelected = true;
SelControl = null;
}
RectInfo GetRect(FrameworkElement element, Point point)
{
RectInfo rectInfo;
Grid grid;
double height = 0, width = 0;
rectInfo = new RectInfo();
switch (element.Parent.GetType().Name)
{
case "DesignerCanvas":
point = new Point(double.IsNaN(point.X) ? 0 : point.X + Canvas.GetLeft(element), double.IsNaN(point.Y) ? 0 : point.Y + Canvas.GetTop(element));
rectInfo.Rect = new Rect(double.IsNaN(point.X) ? 0 : point.X, double.IsNaN(point.Y) ? 0 : point.Y, element.ActualWidth, element.ActualHeight);
rectInfo.Container = element as Panel;
break;
case "ControlTextGrid":
grid = element.Parent as Grid;
rectInfo.Container = element as Panel;
for (int i = 0; i < Grid.GetRow(element); i++)
{
height += grid.RowDefinitions[i].ActualHeight;
}
for (int i = 0; i < Grid.GetColumn(element); i++)
{
width += grid.ColumnDefinitions[i].ActualWidth;
}
point = new Point(point.X + width, point.Y + height);
rectInfo.Rect = new Rect(point.X, point.Y, element.ActualWidth, element.ActualHeight);
break;
}
switch (element.GetType().Name)
{
case "DesignerCanvas":
rectInfo.Children.AddRange(GetRectList(element as ControlDragCanvas, point));
break;
case "ControlTextGrid":
rectInfo.Children.AddRange(GetRectList(element as Grid, point));
break;
}
return(rectInfo);
}
RectInfo Collision(RectInfo info, Rect rect)
{
RectInfo rectInfo = null;
RectInfo _rectInfo = null;
if (rect.IntersectsWith(info.Rect))
{
rectInfo = info;
foreach (var v in info.Children)
{
_rectInfo = Collision(v, rect);
if (_rectInfo != null)
{
rectInfo = _rectInfo;
break;
}
}
}
return(rectInfo);
}
void DrawRectangle(RectInfo info)
{
Rectangle rectangle = new Rectangle()
{
Height = info.Rect.Height, Width = info.Rect.Width
};
Canvas.SetLeft(rectangle, info.Rect.X);
Canvas.SetTop(rectangle, info.Rect.Y);
rectangle.Tag = info.Id;
rectangle.Fill = Brushes.Black;
rectangle.Stroke = Brushes.Black;
rectangle.StrokeThickness = 1;
//rectangle.Opacity = 0.5;
DragPanel.Children.Add(rectangle);
foreach (var v in info.Children)
{
DrawRectangle(v);
}
}
List <RectInfo> GetRectList(Grid grid, Point point)
{
double height = 0, width = 0;
List <RectInfo> rectList = new List <RectInfo>();
RectInfo rectInfo;
if (grid == null)
{
return(rectList);
}
foreach (FrameworkElement element in grid.Children)
{
if (element.GetType().Name == "DesignerCanvas" || element.GetType().Name == "Grid")
{
rectInfo = GetRect(element, new Point(point.X + element.Margin.Left, point.Y + element.Margin.Top));
rectList.Add(rectInfo);
}
}
for (int row = 0; row < grid.RowDefinitions.Count; row++)
{
width = 0;
for (int column = 0; column < grid.ColumnDefinitions.Count; column++)
{
rectInfo = new RectInfo()
{
Container = grid, Rect = new Rect(width, height, grid.ColumnDefinitions[column].ActualWidth, grid.RowDefinitions[row].ActualHeight)
};
rectInfo.Row = row;
rectInfo.Column = column;
rectList.Add(rectInfo);
width += grid.ColumnDefinitions[column].ActualWidth;
}
height += grid.RowDefinitions[row].ActualHeight;
}
return(rectList);
}
void MainWindow_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
Rectangle rect = new Rectangle();
DependencyObject element = this.InputHitTest(e.GetPosition(this)) as DependencyObject;
if (element == null || element == this)
{
element = null;
return;
}
if (e.LeftButton == MouseButtonState.Pressed)
{
SelControl = Common.FindVisualParent <jg.Editor.Library.DesignerItem>(element);
if (SelControl == null)
{
point = new Point(0, 0);
return;
}
IsAddPanel = false;
if (SelControl.Parent == null)
{
return;
}
rectInfo = new RectInfo(this as Panel, new Point(0, 0));
if (SelControl.Parent is Grid)
{
SelControl.Height = 100;
SelControl.Width = 100;
}
point = new Point(SelControl.Width / 2, SelControl.Height / 2);
PushPoint = e.GetPosition(this);
}
}