/// <summary>
///
/// </summary>
/// <param name="first"></param>
/// <param name="second"></param>
private void SwapNodes(TreeNode first, TreeNode second)
{
// First index will always greater than the second index.
// So when removing we remove the item at first index then second index,
// but when inserting just do the reverse.
int firstIndex = first.Index;
int secondIndex = second.Index;
DockableItem firstItem = (first.Tag as DockableItem);
DockableItem secondItem = (second.Tag as DockableItem);
// assumes both are in same level
if (first.Parent != null)
{
TreeNode parentNode = first.Parent;
DockableItemCollection itemCollection = (parentNode.Tag as DockableItem).Items;
itemCollection.RemoveAt(firstIndex);
itemCollection.RemoveAt(secondIndex);
itemCollection.Insert(secondIndex, firstItem);
itemCollection.Insert(firstIndex, secondItem);
parentNode.Nodes.RemoveAt(firstIndex);
parentNode.Nodes.RemoveAt(secondIndex);
parentNode.Nodes.Insert(secondIndex, first);
parentNode.Nodes.Insert(firstIndex, second);
}
else
{
this.Items.RemoveAt(firstIndex);
this.Items.RemoveAt(secondIndex);
this.Items.Insert(secondIndex, firstItem);
this.Items.Insert(firstIndex, secondItem);
trvDockableItems.Nodes.RemoveAt(firstIndex);
trvDockableItems.Nodes.RemoveAt(secondIndex);
trvDockableItems.Nodes.Insert(secondIndex, first);
trvDockableItems.Nodes.Insert(firstIndex, second);
}
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="provider"></param>
/// <param name="value"></param>
/// <returns></returns>
public override object EditValue(System.ComponentModel.ITypeDescriptorContext context, IServiceProvider provider, object value)
{
if (provider != null)
{
editorService = provider.GetService(typeof(IWindowsFormsEditorService)) as IWindowsFormsEditorService;
}
if (editorService != null)
{
DockableItemCollection items = value as DockableItemCollection;
if (items == null)
{
items = new DockableItemCollection();
}
DockableCollectionEditor itemEditor = new DockableCollectionEditor(items, editorService);
editorService.ShowDialog(itemEditor);
value = itemEditor.Items;
context.OnComponentChanged();
}
return(value);
}
/// <summary>
///
/// </summary>
/// <param name="items"></param>
/// <param name="editorService"></param>
public DockableCollectionEditor(DockableItemCollection items, IWindowsFormsEditorService editorService) : this()
{
this.items = items;
this.editorService = editorService;
}
