public void SelectContainer(DesignerContainer item)
{
//if (item == null || !item.Editable) return;
if ((Keyboard.Modifiers & ModifierKeys.Control) != ModifierKeys.None)
{
if (item.IsSelected)
{
SelectionService.RemoveFromSelection(item);
}
else
{
SelectionService.AddToSelection(item);
}
}
else if (!item.IsSelected)
{
SelectionService.SelectItem(item);
}
item.Focus();
var pv = FindName("pv") as PropertyView;
if (pv != null)
{
pv.InitProView();
if (this.DesignMode == MODE.RUN)
{
pv.ShowProView(true);
}
else
{
pv.ShowProView(false);
}
}
}
protected void OnDrop(DragEventArgs e, CommandManager mgr)
{
var dragObject = (DragObject)e.Data.GetData(typeof(DragObject));
if (dragObject == null || String.IsNullOrEmpty(dragObject.Xaml))
{
return;
}
DesignerContainer newItem = null;
try
{
var xe = XElement.Load(new StringReader(dragObject.Xaml));
newItem = xe.ToDesignerContainer();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
if (newItem != null)
{
var position = e.GetPosition(mgr.CurrentCanvas);
int left;
int top;
if (dragObject.DesiredSize.HasValue)
{
var desiredSize = dragObject.DesiredSize.Value;
newItem.Width = double.IsNaN(newItem.Item.MinWidth) || newItem.Item.MinWidth == 0 || newItem.Item.MinWidth < desiredSize.Width
? Convert.ToInt32(desiredSize.Width)
: Convert.ToInt32(newItem.Item.MinWidth);
newItem.Height = double.IsNaN(newItem.Item.MinHeight) || newItem.Item.MinHeight == 0 || newItem.Item.MinHeight < desiredSize.Height
? Convert.ToInt32(desiredSize.Height)
: Convert.ToInt32(newItem.Item.MinHeight);
if (_mDi == null)
{
_mDi = new List <DesignerContainer>();
}
_mDi.Add(newItem);
if (_mOldWidth == null)
{
_mOldWidth = new List <double>();
}
_mOldWidth.Add(desiredSize.Width);
if (_mOldHeight == null)
{
_mOldHeight = new List <double>();
}
_mOldHeight.Add(desiredSize.Height);
if (_mNewWidth == null)
{
_mNewWidth = new List <double>();
}
_mNewWidth.Add(newItem.Width);
if (_mNewHeight == null)
{
_mNewHeight = new List <double>();
}
_mNewHeight.Add(newItem.Height);
left = Convert.ToInt32(Math.Max(0, position.X - newItem.Width / 2));
top = Convert.ToInt32(Math.Max(0, position.Y - newItem.Height / 2));
if (_mOldLeft == null)
{
_mOldLeft = new List <double>();
}
_mOldLeft.Add(left);
if (_mOldTop == null)
{
_mOldTop = new List <double>();
}
_mOldTop.Add(top);
left = left + newItem.Width > mgr.CurrentCanvas.ActualWidth
? (int)(mgr.CurrentCanvas.ActualWidth - newItem.Width)
: left;
top = top + newItem.Height > mgr.CurrentCanvas.ActualHeight
? (int)(mgr.CurrentCanvas.ActualHeight - newItem.Height)
: top;
if (_mNewLeft == null)
{
_mNewLeft = new List <double>();
}
_mNewLeft.Add(left);
if (_mNewTop == null)
{
_mNewTop = new List <double>();
}
_mNewTop.Add(top);
}
else
{
left = Convert.ToInt32(Math.Max(0, position.X));
top = Convert.ToInt32(Math.Max(0, position.Y));
if (_mOldLeft == null)
{
_mOldLeft = new List <double>();
}
_mOldLeft.Add(left);
if (_mOldTop == null)
{
_mOldTop = new List <double>();
}
_mOldTop.Add(top);
left = left + newItem.Width > mgr.CurrentCanvas.ActualWidth
? (int)(mgr.CurrentCanvas.ActualWidth - newItem.Width)
: left;
top = top + newItem.Height > mgr.CurrentCanvas.ActualHeight
? (int)(mgr.CurrentCanvas.ActualHeight - newItem.Height)
: top;
if (_mNewLeft == null)
{
_mNewLeft = new List <double>();
}
_mNewLeft.Add(left);
if (_mNewTop == null)
{
_mNewTop = new List <double>();
}
_mNewTop.Add(top);
//DesignerCanvas.SetLeft(newItem, Convert.ToInt32(Math.Max(0, position.X)));
//DesignerCanvas.SetTop(newItem, Convert.ToInt32(Math.Max(0, position.Y)));
}
Canvas.SetLeft(newItem, left);
Canvas.SetTop(newItem, top);
mgr.CurrentCanvas.Add(newItem);
//update selection
mgr.CurrentCanvas.SelectionService.SelectItem(newItem);
var pv = mgr.CurrentCanvas.FindName("pv") as PropertyView;
if (pv != null)
{
pv.InitProView();
}
newItem.Focus();
}
e.Handled = true;
}
