protected override void OnMouseClick(MouseEventArgs e)
{
//TODO: Disable when click on plusminus icon
TreeNodeAdvMouseEventArgs args = CreateMouseArgs(e);
if (args.Node != null)
{
OnNodeMouseClick(args);
}
base.OnMouseClick(e);
}
private TreeNodeAdvMouseEventArgs CreateMouseArgs(MouseEventArgs e)
{
TreeNodeAdvMouseEventArgs args = new TreeNodeAdvMouseEventArgs(e);
args.ViewLocation = new Point(e.X + OffsetX,
e.Y + _rowLayout.GetRowBounds(FirstVisibleRow).Y - ColumnHeaderHeight);
args.ModifierKeys = ModifierKeys;
args.Node = GetNodeAt(e.Location);
NodeControlInfo info = GetNodeControlInfoAt(args.Node, e.Location);
args.ControlBounds = info.Bounds;
args.Control = info.Control;
return(args);
}
public override void MouseUp(TreeNodeAdvMouseEventArgs args)
{
Tree.ItemDragMode = false;
if (_mouseDownFlag)
{
if (args.Button == MouseButtons.Left)
{
DoMouseOperation(args);
}
else if (args.Button == MouseButtons.Right)
{
Tree.CurrentNode = args.Node;
}
}
_mouseDownFlag = false;
}
protected override void OnMouseDown(MouseEventArgs e)
{
if (!Focused)
{
Focus();
}
_search.EndSearch();
if (e.Button == MouseButtons.Left)
{
TreeColumn c;
c = GetColumnDividerAt(e.Location);
if (c != null)
{
Input = new ResizeColumnState(this, c, e.Location);
return;
}
c = GetColumnAt(e.Location);
if (c != null)
{
Input = new ClickColumnState(this, c, e.Location);
UpdateView();
return;
}
}
ChangeInput();
TreeNodeAdvMouseEventArgs args = CreateMouseArgs(e);
if (args.Node != null && args.Control != null)
{
args.Control.MouseDown(args);
}
if (!args.Handled)
{
Input.MouseDown(args);
base.ContextMenuStrip = _cms;
}
else
{
base.ContextMenuStrip = null;
}
base.OnMouseDown(e);
}
protected override void DoMouseOperation(TreeNodeAdvMouseEventArgs args)
{
if (Tree.SelectionMode == TreeSelectionMode.Single || Tree.SelectionStart == null)
{
base.DoMouseOperation(args);
}
else if (CanSelect(args.Node))
{
Tree.SuspendSelectionEvent = true;
try
{
SelectAllFromStart(args.Node);
}
finally
{
Tree.SuspendSelectionEvent = false;
}
}
}
protected virtual void DoMouseOperation(TreeNodeAdvMouseEventArgs args)
{
if (Tree.SelectedNodes.Count == 1 && args.Node != null && args.Node.IsSelected)
{
return;
}
Tree.SuspendSelectionEvent = true;
try
{
Tree.ClearSelectionInternal();
if (args.Node != null)
{
args.Node.IsSelected = true;
}
Tree.SelectionStart = args.Node;
}
finally
{
Tree.SuspendSelectionEvent = false;
}
}
protected override void OnMouseUp(MouseEventArgs e)
{
TreeNodeAdvMouseEventArgs args = CreateMouseArgs(e);
if (Input is ResizeColumnState)
{
Input.MouseUp(args);
}
else
{
if (args.Node != null && args.Control != null)
{
args.Control.MouseUp(args);
}
if (!args.Handled)
{
Input.MouseUp(args);
}
base.OnMouseUp(e);
}
}
private string GetNodeToolTip(TreeNodeAdvMouseEventArgs args)
{
string msg = args.Control.GetToolTip(args.Node);
BaseTextControl btc = args.Control as BaseTextControl;
if (btc != null && btc.DisplayHiddenContentInToolTip && String.IsNullOrEmpty(msg))
{
Size ms = btc.GetActualSize(args.Node, _measureContext);
if (ms.Width > args.ControlBounds.Size.Width || ms.Height > args.ControlBounds.Size.Height ||
args.ControlBounds.Right - OffsetX > DisplayRectangle.Width)
{
msg = btc.GetLabel(args.Node);
}
}
if (String.IsNullOrEmpty(msg) && DefaultToolTipProvider != null)
{
msg = DefaultToolTipProvider.GetToolTip(args.Node, args.Control);
}
return(msg);
}
protected virtual void MouseDownAtEmptySpace(TreeNodeAdvMouseEventArgs args)
{
Tree.ClearSelection();
}
public override void MouseUp(TreeNodeAdvMouseEventArgs args)
{
FinishResize();
}
public override void MouseDown(TreeNodeAdvMouseEventArgs args)
{
}
protected override void MouseDownAtEmptySpace(TreeNodeAdvMouseEventArgs args)
{
}
public abstract void MouseUp(TreeNodeAdvMouseEventArgs args);
public override void MouseUp(TreeNodeAdvMouseEventArgs args)
{
Tree.ChangeInput();
Tree.UpdateView();
Tree.OnColumnClicked(Column);
}