protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
bool hit = false;
GraphPanelElement[] elements = new GraphPanelElement[li.Count];
li.CopyTo(elements);
for (int i = elements.Length - 1; i >= 0; i--)
{
GraphPanelElement c = elements[i];
if (c is DragPanel)
{
if (!hit)
{
if (((DragPanel)c).OnMouseDown(e))
{
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
hit = true;
((DragPanel)c).SetFocus(true);
continue;
}
}
}
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
((DragPanel)c).SetFocus(false);
}
}
}
}
internal void SilentRemove(GraphPanelElement item, bool inter)
{
base.Remove(item);
if (this.ItemsChanged != null)
{
this.ItemsChanged(this, new System.EventArgs());
}
}
/// <summary>
/// insert a new Element
/// </summary>
/// <param name="index">The Index where the Element should be stored</param>
/// <param name="item">The object that should be inserted</param>
public void Insert(int index, GraphPanelElement item)
{
if (this.Contains(item))
{
return;
}
base.Insert(index, item);
if (this.ItemsChanged != null)
{
this.ItemsChanged(this, new System.EventArgs());
}
}
public void Clear()
{
while (li.Count > 0)
{
GraphPanelElement l = li[0];
li.RemoveAt(0);
l.Clear();
l.Parent = null;
}
this.Refresh();
}
protected override void OnPaint(PaintEventArgs e)
{
if (update)
{
return;
}
base.OnPaint(e);
GraphPanelElement.SetGraphicsMode(e.Graphics, true);
foreach (GraphPanelElement c in li)
{
c.OnPaint(e);
}
}
internal int SilentAdd(GraphPanelElement item, bool inter)
{
if (this.Contains(item))
{
return(-1);
}
int res = base.Add(item);
if (this.ItemsChanged != null)
{
this.ItemsChanged(this, new System.EventArgs());
}
return(res);
}
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
for (int i = li.Count - 1; i >= 0; i--)
{
GraphPanelElement c = li[i];
if (c is DragPanel)
{
if (((DragPanel)c).OnMouseUp(e))
{
break;
}
}
}
}
/// <summary>
/// Die verwendeten Ressourcen bereinigen.
/// </summary>
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (components != null)
{
components.Dispose();
}
if (li != null)
{
while (li.Count > 0)
{
GraphPanelElement l = li[0];
li.RemoveAt(0);
l.Dispose();
}
}
}
base.Dispose(disposing);
}
/// <summary>
/// Checks wether or not the object is already stored in the List
/// </summary>
/// <param name="item">The Object you are looking for</param>
/// <returns>true, if it was found</returns>
public bool Contains(GraphPanelElement item)
{
return(base.Contains(item));
}
/// <summary>
/// remove an Element
/// </summary>
/// <param name="item">The object that should be removed</param>
public void Remove(GraphPanelElement item)
{
this.SilentRemove(item, false);
}
/// <summary>
/// add a new Element
/// </summary>
/// <param name="item">The object you want to add</param>
/// <returns>The index it was added on</returns>
public int Add(GraphPanelElement item)
{
return(SilentAdd(item, false));
}
