private void InvokeHandleMouseEnter(MouseEventArgs e, TreeNode tn, TreeNodeLayoutItem item)
{
if (item != prevMouseOverItem || tn != prevMouseOverTn)
{
item.HandleMouseEnter(e, tn);
prevMouseOverItem = item;
prevMouseOverTn = tn;
}
}
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();
}
/// <summary>
/// Handles the TreeView's MouseMove event, passing the event on to the layout items.
/// </summary>
public void HandleMouseMove(MouseEventArgs e, TreeNode tn)
{
if (e == null)
return;
if (this.prevMouseOverItem != null)
{
if (tn == this.prevMouseOverTn && this.prevMouseOverItem.GetBounds(tn).Contains(e.Location))
return;
else
{
prevMouseOverItem.HandleMouseLeave(e, tn);
this.prevMouseOverItem = null;
this.prevMouseOverTn = null;
}
}
HandleMouseEvent(e, tn, i => InvokeHandleMouseEnter(e, tn, i));
}
private static String GetItemName(TreeNodeLayoutItem item)
{
OutlinerPluginData plugin = OutlinerPlugins.GetPlugin(item.GetType());
return plugin.DisplayName;
}