/// <summary>
/// Retire un fils
/// </summary>
/// <param name="child"></param>
public void RemoveChild(IHierarchyObject child)
{
foreach (IHierarchyObject item in childrenListChangeHandler.Items)
{
if (item.GetPosition() > child.GetPosition())
{
item.SetPosition(item.GetPosition() - 1);
childrenListChangeHandler.AddUpdated((Attribute)item);
}
}
child.SetPosition(-1);
Attribute Child = (Attribute)child;
if (Child.valueListChangeHandler.Items.Count > 0)
{
AttributeValue root = Child.valueListChangeHandler.Items[0].parent;
for (int i = root.GetItems().Count - 1; i >= 0; i--)
{
AttributeValue value = root.childrenListChangeHandler.Items[i];
root.RemoveChild(value);
}
Child.removeDefaultValue();
}
childrenListChangeHandler.AddDeleted(Child);
UpdateParents();
}
/// <summary>
/// Déplace un noeud vers le haut ou vers le bas
/// </summary>
/// <param name="item"></param>
/// <param name="sens">Le sens du déplacement. 0 => UP, 1=> DOWN</param>
public void MoveNode(IHierarchyObject item, int sens = 0)
{
if (item.GetParent() != null)
{
int position = item.GetPosition() + (sens == 0 ? -1 : 1);
IHierarchyObject child = item.GetParent().GetChildByPosition(position);
if (child != null)
{
child.SetPosition(item.GetPosition()); item.GetParent().UpdateChild(child);
item.SetPosition(position);
item.GetParent().UpdateChild(item);
if (Change != null)
{
Change();
}
SelectItem(this, item);
}
}
}
/// <summary>
/// Oublier un fils
/// </summary>
/// <param name="child"></param>
public void ForgetChild(IHierarchyObject child)
{
foreach (IHierarchyObject item in childrenListChangeHandler.Items)
{
if (item.GetPosition() > child.GetPosition())
{
item.SetPosition(item.GetPosition() - 1);
}
}
child.SetPosition(-1);
childrenListChangeHandler.forget((PresentationSlideItem)child);
}
/// <summary>
/// Retire un fils
/// </summary>
/// <param name="child"></param>
public void RemoveChild(IHierarchyObject child)
{
foreach (IHierarchyObject item in childrenListChangeHandler.Items)
{
if (item.GetPosition() > child.GetPosition())
{
item.SetPosition(item.GetPosition() - 1);
}
}
child.SetPosition(-1);
childrenListChangeHandler.AddDeleted((BGroup)child);
}
/// <summary>
/// Oublier un fils
/// </summary>
/// <param name="child"></param>
public void ForgetChild(IHierarchyObject child)
{
foreach (IHierarchyObject item in childrenListChangeHandler.Items)
{
if (item.GetPosition() > child.GetPosition())
{
item.SetPosition(item.GetPosition() - 1);
}
}
child.SetPosition(-1);
childrenListChangeHandler.forget((AttributeValue)child);
}
/// <summary>
/// Retire un fils
/// </summary>
/// <param name="child"></param>
public void RemoveChild(IHierarchyObject child)
{
foreach (IHierarchyObject item in childrenListChangeHandler.Items)
{
if (item.GetPosition() > child.GetPosition())
{
item.SetPosition(item.GetPosition() - 1);
childrenListChangeHandler.AddUpdated((AttributeValue)item);
}
}
child.SetPosition(-1);
childrenListChangeHandler.AddDeleted((AttributeValue)child);
UpdateParents();
}
/// <summary>
/// Transforme un noeud en sous-noeud
/// </summary>
/// <param name="model">le noeud à édenté</param>
public void IndentNode(IHierarchyObject item)
{
if (item.GetParent() != null)
{
int position = item.GetPosition();
IHierarchyObject child = item.GetParent().GetChildByPosition(position - 1);
if (child != null)
{
item.GetParent().ForgetChild(item);
child.AddChild(item);
if (Change != null)
{
Change();
}
SelectItem(this, item);
}
}
}
/// <summary>
/// Supprime un noeud et ses fils.
/// </summary>
/// <param name="model">Le noeud à supprimer</param>
public void DeleteNode(IHierarchyObject item)
{
if (item != null && item.GetParent() != null)
{
MessageBoxResult result = Util.MessageDisplayer.DisplayYesNoQuestion("Delete Item", "Do you want to delete node : " + item.ToString() + "?");
if (result == MessageBoxResult.Yes)
{
int index = item.GetPosition();
item.GetParent().RemoveChild(item);
item.GetParent().UpdateParents();
if (Change != null)
{
Change();
}
if (this.Root.GetItems().Count > 1)
{
selectNodeAfterDelete(item, index);
}
}
}
}
/// <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)
{
IHierarchyObject selectedItem = (IHierarchyObject)this.SelectedItem;
this.NewMenuItem.IsEnabled = this.Root != null;
this.EditMenuItem.IsEnabled = this.Root != null && selectedItem != null && CurrentParent != null;
this.CutMenuItem.IsEnabled = this.Root != null && selectedItem != null && CurrentParent != null;
this.CopyMenuItem.IsEnabled = this.Root != null && selectedItem != null && CurrentParent != null;
this.PasteMenuItem.IsEnabled = this.Root != null && selectedItem != null && !Util.ClipbordUtil.IsClipBoardEmpty();
this.DeleteMenuItem.IsEnabled = this.Root != null && selectedItem != null && CurrentParent != null;
this.MoveUpMenuItem.IsEnabled = this.Root != null && selectedItem != null && selectedItem.GetPosition() > 0 && CurrentParent != null;
this.MoveDownMenuItem.IsEnabled = this.Root != null && selectedItem != null && selectedItem.GetPosition() < selectedItem.GetParent().GetItems().Count - 1 && CurrentParent != null;
this.IndentMenuItem.IsEnabled = this.Root != null && selectedItem != null && selectedItem.GetPosition() > 0 && CurrentParent != null;
this.OutdentMenuItem.IsEnabled = this.Root != null && selectedItem != null && selectedItem.GetParent() != null && selectedItem.GetParent() != Root && CurrentParent != null;
}
