/// <summary>
/// Cette méthode permet de désactiver un menuItem dans le cas
/// où l'opération associée à ce menuItem n'est pas possible pour
/// le noeud courant.
/// </summary>
/// <param name="e"></param>
protected override void OnContextMenuOpening(ContextMenuEventArgs e)
{
Kernel.Domain.Measure selectedItem = GetSelectedMeasure();
if (selectedItem != null && selectedItem != defaultValue)
{
int lastPosition = -1;
if (selectedItem.GetParent() != this.Root)
{
lastPosition = selectedItem.parent.GetItems().Count;
}
else
{
lastPosition = defaultValue.GetPosition();
}
this.newMenuItem.IsEnabled = this.Root != null;
this.cutMenuItem.IsEnabled = this.Root != null && selectedItem != null && selectedItem.parent != null;
this.copyMenuItem.IsEnabled = this.Root != null && selectedItem != null && selectedItem.parent != null;
this.pasteMenuItem.IsEnabled = this.Root != null && selectedItem != null && !Kernel.Util.ClipbordUtil.IsClipBoardEmpty();
this.deleteMenuItem.IsEnabled = this.Root != null && selectedItem != null && selectedItem.parent != null;
this.moveUpMenuItem.IsEnabled = this.Root != null && selectedItem != null && selectedItem.GetPosition() > 0 && selectedItem.parent != null;
this.moveDownMenuItem.IsEnabled = this.Root != null && selectedItem != null && selectedItem.parent != null && !((selectedItem.GetPosition() + 1) == lastPosition);
this.indentMenuItem.IsEnabled = this.Root != null && selectedItem != null && selectedItem.GetPosition() > 0 && selectedItem.parent != null;
this.outdentMenuItem.IsEnabled = this.Root != null && selectedItem != null && selectedItem.parent != null && selectedItem.GetParent() != Root;
}
}
/// <summary>
/// Supprime un noeud et ses fils.
/// </summary>
/// <param name="model">Le noeud à supprimer</param>
public void DeleteNode(Kernel.Domain.Measure item)
{
if (item != null && item.parent != null)
{
MessageBoxResult result = Kernel.Util.MessageDisplayer.DisplayYesNoQuestion("Delete Measure", "Do you want to delete measure : " + item.name + "?");
if (result == MessageBoxResult.Yes)
{
int index = item.GetPosition();
item.GetParent().RemoveChild(item);
if (Changed != null)
{
Changed();
}
}
}
}