protected void OnBeforeNodeTextEdit(BeforeNodeTextEditEventArgs e)
{
if (this.BeforeNodeTextEdit != null)
this.BeforeNodeTextEdit(this, e);
}
internal void BeginNodeTextEdit(TreeNode tn, TreeNodeLayoutItem layoutItem)
{
if (tn == null || layoutItem == null)
return;
if (this.editingTreeNode != null)
this.EndNodeTextEdit(true);
BeforeNodeTextEditEventArgs e = new BeforeNodeTextEditEventArgs(tn);
this.OnBeforeNodeTextEdit(e);
if (e.Cancel)
return;
this.editingTreeNode = tn;
this.editTextBoxOpening = true;
this.editTextBox = new TextBox();
Rectangle bounds = layoutItem.GetBounds(tn);
int itemIndex = layoutItem.Layout.LayoutItems.IndexOf(layoutItem);
if (itemIndex < layoutItem.Layout.LayoutItems.Count - 1)
{
TreeNodeLayoutItem nextItem = layoutItem.Layout.LayoutItems[itemIndex + 1];
if (nextItem is EmptySpace)
{
bounds.Width += nextItem.GetWidth(tn);
}
}
this.editTextBox.Location = bounds.Location;
this.editTextBox.Size = new Size (Math.Max(100, bounds.Width), 18);
this.editTextBox.Text = e.EditText;
this.editTextBox.KeyDown += new KeyEventHandler(editTextBox_KeyDown);
this.editTextBox.LostFocus += new EventHandler(editTextBox_LostFocus);
this.editTextBox.Parent = this;
this.editTextBox.Focus();
this.editTextBox.SelectAll();
}
protected virtual void tree_BeforeNodeTextEdit(object sender, BeforeNodeTextEditEventArgs e)
{
IMaxNode node = TreeMode.GetMaxNode(e.TreeNode);
if (node == null)
{
e.Cancel = true;
return;
}
if (!node.CanEditName)
{
WinForms::MessageBox.Show( Tree
, OutlinerResources.Warning_CannotEditName
, OutlinerResources.Warning_CannotEditNameTitle
, WinForms::MessageBoxButtons.OK
, WinForms::MessageBoxIcon.Warning);
e.Cancel = true;
return;
}
e.EditText = node.Name;
MaxInterfaces.Global.DisableAccelerators();
}