private void SelectionManager(EO.Wpf.TreeViewItem treeViewItem, bool isRightClick = true)
{
Kernel.Domain.Role role;
if (treeViewItem.Header.ToString() == defaultValue.name)
{
role = null;
treeViewItem.Focus();
}
else
{
role = this.Root.GetChildByName(treeViewItem.Header.ToString()) as Domain.Role;
if (!CtrlPressed)
{
if (!isRightClick || (isRightClick && !selectedItems.ContainsKey(treeViewItem) && !selectedRoles.Keys.Contains(role)))
{
removeCTRLSelection();
selectedItems.Add(treeViewItem, null);
SetSelectedItem(treeViewItem);
selectedRoles.Add(role, selectedRoles.Count + 1);
}
}
else if (CtrlPressed && !selectedItems.ContainsKey(treeViewItem) && !selectedRoles.Keys.Contains(role))
{
selectedItems.Add(treeViewItem, null);
selectedRoles.Add(role, selectedRoles.Count + 1);
SetSelectedItem(treeViewItem);
}
}
}
// changes the state of the tree item:
// selects it if it has not been selected and
// deselects it otherwise
void ChangeSelectedState(EO.Wpf.TreeViewItem treeViewItem)
{
if (!selectedItems.ContainsKey(treeViewItem))
{ // select
treeViewItem.Background = SELECTION_COLOR; // change background and foreground colors
treeViewItem.Foreground = Brushes.White;
selectedItems.Add(treeViewItem, null); // add the item to selected items
}
else
{ // deselect
Deselect(treeViewItem);
}
}
/// <summary>
/// Vérifie si l'on va cliquer sur le noeud par défaut afin d'activer le mode
/// édition.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnItemClick(object sender, MouseButtonEventArgs e)
{
Kernel.Domain.Role r;
EO.Wpf.TreeViewItem treeViewItem = VisualUpwardSearch(e.OriginalSource as DependencyObject);
if (treeViewItem != null)
{
SelectionManager(treeViewItem, false);
}
else
{
r = GetSelectedRole();
tree.Focus();
}
}
/// <summary>
/// Cette methode permet la selection du noeud présent derrière la souris
/// lorsque fait un click-droit.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnPreviewMouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
EO.Wpf.TreeViewItem treeViewItem = VisualUpwardSearch(e.OriginalSource as DependencyObject);
if (treeViewItem != null)
{
treeViewItem.Focus();
SelectionManager(treeViewItem);
e.Handled = true;
}
else
{
Kernel.Domain.Role r = GetSelectedRole();
if (r != null)
{
r.IsSelected = false;
}
tree.Focus();
removeCTRLSelection();
}
}
/// <summary>
///
/// </summary>
/// <param name="treeViewItem"></param>
private void DoSelectedItemChanged(EO.Wpf.TreeViewItem treeViewItem)
{
Domain.Role selectedRole;
if (treeViewItem == null)
{
removeCTRLSelection();
return;
}
else
{
selectedRole = GetSelectedRole();
}
removeCTRLSelection();
ChangeSelectedState(treeViewItem);
if (selectedRole != null)
{
UpdateSelectionList(selectedRole);
}
}
public void OnMouseDown(object sender, MouseButtonEventArgs e)
{
EO.Wpf.TreeViewItem treeViewItem = new EO.Wpf.TreeViewItem();
if (e != null)
{
treeViewItem = VisualUpwardSearch(e.OriginalSource as DependencyObject);
}
else
{
treeViewItem = ((sender as EO.Wpf.TreeView).SelectedItem as EO.Wpf.TreeViewItem);
}
if (treeViewItem != null)
{
SelectionManager(treeViewItem, false);
}
else
{
removeCTRLSelection();
}
}
private void OnItemDragOver(object sender, EO.Wpf.ItemDragOverEventArgs e)
{
EO.Wpf.TreeViewItem item = (EO.Wpf.TreeViewItem)e.TargetItemContainer1;
}
private void SetSelectedItem(EO.Wpf.TreeViewItem treeViewItem)
{
treeViewItem.Background = SELECTION_COLOR; // change background and foreground colors
treeViewItem.Foreground = Brushes.White;
}
// deselects the tree item
void Deselect(EO.Wpf.TreeViewItem treeViewItem)
{
treeViewItem.Background = Brushes.Transparent; // change background and foreground colors
treeViewItem.Foreground = Brushes.Black;
selectedItems.Remove(treeViewItem); // remove the item from the selected items set
}
