/// <summary>
/// Detaches the given connector from this connector. No exception will be thrown if the given connector is not a child.
///
/// </summary>
/// <param name="connector"></param>
public void DetachConnector(IConnector connector)
{
if (connector == null || !Enabled)
{
return;
}
if (attachedConnectors.Contains(connector))
{
attachedConnectors.Remove(connector);
connector.AttachedTo = null;
}
}
/// <summary>
/// Handles the OnEntityRemoved event of the DefaultPage.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="T:Netron.Diagramming.Core.EntityEventArgs"/> instance containing the event data.</param>
void mDefaultPage_OnEntityRemoved(object sender, EntityEventArgs e)
{
if (mPaintables.Contains(e.Entity))
{
//shift the entities above the one to be removed
int index = e.Entity.SceneIndex;
foreach (IDiagramEntity entity in mPaintables)
{
if (entity.SceneIndex > index)
{
entity.SceneIndex--;
}
}
mPaintables.Remove(e.Entity);
}
//if the selection contains the shape we have to remove it from the selection
if (Selection.SelectedItems.Contains(e.Entity))
{
Selection.SelectedItems.Remove(e.Entity);
}
RaiseOnEntityRemoved(e);
}
/// <summary>
/// Handles the OnEntityRemoved event of the DefaultPage.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="T:Netron.Diagramming.Core.EntityEventArgs"/> instance containing the event data.</param>
void mDefaultPage_OnEntityRemoved(object sender, EntityEventArgs e)
{
//IShape sp = e.Entity as IShape;
//if(sp != null)
//{
// foreach(IConnector cr in sp.Connectors)
// mConnectorHolders.Remove(cr);
//}
if (mPaintables.Contains(e.Entity))
{
//shift the entities above the one to be removed
int index = e.Entity.SceneIndex;
foreach (IDiagramEntity entity in mPaintables)
{
if (entity.SceneIndex > index)
{
entity.SceneIndex--;
}
}
mPaintables.Remove(e.Entity);
}
//if the selection contains the shape we have to remove it from the selection
if (Selection.SelectedItems.Contains(e.Entity))
{
Selection.SelectedItems.Remove(e.Entity);
}
RaiseOnEntityRemoved(e);
IConnection cn = e.Entity as IConnection;
if (cn != null)
{
mConnectorHolders.Remove(cn.From);
mConnectorHolders.Remove(cn.To);
}
}
internal void SelectEntity(IDiagramEntity entity, Point surfacePoint)
{
// Groups are treated specially because we can drill-down
// into the group. The process of drilling is the first
// mouse hit will select the group. The second mouse hit
// will select a child, if there's a child at that point.
if (entity is IGroup)
{
if (entity.IsSelected == false)
{
entity.IsSelected = true;
mSelection.Add(entity);
}
else
{
IGroup group = entity as IGroup;
for (int j = group.Entities.Count - 1; j >= 0; j--)
{
IDiagramEntity child = group.Entities[j];
if (child.Hit(surfacePoint))
{
// Repeat the process because what if this
// child is too a group!
SelectEntity(child, surfacePoint);
group.IsSelected = false;
if (mSelection.Contains(group))
{
mSelection.Remove(group);
}
break;
}
}
}
}
//else if (entity.Group != null)
//{
// //entity.Group.IsSelected = true;
// //mSelection.Add(entity.Group);
//}
else
{
entity.IsSelected = true;
mSelection.Add(entity);
}
}