protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
if (this.Controls.Count > 0)
{
int result = -1;
Rectangle smartButtonRectangle;
ClassLibrary.Winform.UI.Controls.PluggableTabControl.ButtonState smartButtonState;
GetSmartButtonHitTest(e.Location, out smartButtonRectangle,
out smartButtonState, out result);
switch (result)
{
/*** Is on the SmartCloseButton. ***/
case 0:
NeoTabPage stp = this.SelectedTab;
if (stp.IsCloseable)
Remove(stp);
break;
/*** Is on the SmartDropDownButton. ***/
case 1:
ContextMenuStrip dropDownMenu = new ContextMenuStrip();
Point menuLocation = PointToScreen(new Point(smartButtonRectangle.Left, smartButtonRectangle.Bottom));
using (DropDownButtonClickedEventArgs ea =
new DropDownButtonClickedEventArgs(dropDownMenu, menuLocation))
{
// Fire a Notification Event.
OnDropDownButtonClicked(ea);
}
break;
/*** Is not found! ***/
default:
if (this.Controls.Count > 1)
{
int itemIndex = -1;
Rectangle itemRectangle;
ClassLibrary.Winform.UI.Controls.PluggableTabControl.ButtonState itemState;
NeoTabPage tabItem = GetHitTest(e.Location,
out itemRectangle, out itemState, out itemIndex);
if (tabItem != null && tabItem.IsSelectable)
{
bool isAvailable = true;
switch (this.TabItemLayout)
{
case TabItemLayout.Top:
case TabItemLayout.Bottom:
if (itemRectangle.Right >=
(smartButtonRectangle.IsEmpty ? DisplayRectangle.Right : smartButtonRectangle.Left))
isAvailable = false;
break;
default:
if (itemRectangle.Bottom >=
(smartButtonRectangle.IsEmpty ? DisplayRectangle.Bottom : smartButtonRectangle.Top))
isAvailable = false;
break;
}
if (isAvailable)
{
if (selectedIndex != itemIndex)
{
using (SelectedIndexChangingEventArgs ea =
new SelectedIndexChangingEventArgs(tabItem, itemIndex))
{
// Fire a Notification Event.
OnSelectedIndexChanging(ea);
if (!ea.Cancel)
this.SelectedIndex = ea.TabPageIndex;
}
}
else
{
if (!DesignMode && AllowDrop)
{
// Starts a drag & drop operation for currently selected tab page.
BeginDragDrop(tabItem, itemRectangle,
ClassLibrary.Winform.UI.Controls.PluggableTabControl.ButtonState.Pressed, itemIndex);
}
}
}
}
}
break;
}
}
}
}
protected virtual void OnDropDownButtonClicked(DropDownButtonClickedEventArgs e)
{
if (this.Controls.Count > 0)
{
ToolStripMenuItem menuItem = null;
menuItem = new ToolStripMenuItem("Close", null, null,
Keys.Control | Keys.C);
menuItem.ImageScaling = ToolStripItemImageScaling.None;
menuItem.Enabled = SelectedTab.IsCloseable ? true : false;
if (menuItem.Enabled)
{
menuItem.Click += (sender, ea) =>
{
Remove(SelectedTab);
};
}
e.ContextMenu.Items.Add(menuItem);
menuItem = new ToolStripMenuItem("Show/Hide Tab Items", null, null,
Keys.Control | Keys.M);
menuItem.ImageScaling = ToolStripItemImageScaling.None;
menuItem.Click += (sender, ea) =>
{
ShowTabManager();
};
e.ContextMenu.Items.Add(menuItem);
if (this.Controls.Count > 1)
{
e.ContextMenu.Items.Add(new ToolStripSeparator());
int n = -1;
foreach (NeoTabPage tp in this.TabPages)
{
n++;
if (!tp.Equals(SelectedTab))
{
menuItem = new ToolStripMenuItem(tp.Text, null, null, n.ToString());
menuItem.ImageScaling = ToolStripItemImageScaling.None;
menuItem.Enabled = tp.IsSelectable ? true : false;
if (menuItem.Enabled)
{
menuItem.Click += (sender, ea) =>
{
OnNavigateTabPage(Int32.Parse(((ToolStripItem)sender).Name));
};
}
e.ContextMenu.Items.Add(menuItem);
}
}
}
if (DropDownButtonClicked != null)
DropDownButtonClicked(this, e);
e.ContextMenu.Show(e.MenuLocation);
}
}