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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2014 Dominik Reichl <dominik.reichl@t-online.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Drawing;
using System.Diagnostics;
namespace KeePass.UI
{
public sealed class DynamicMenuEventArgs : EventArgs
{
private string m_strItemName = string.Empty;
private object m_objTag = null;
public string ItemName
{
get { return m_strItemName; }
}
public object Tag
{
get { return m_objTag; }
}
public DynamicMenuEventArgs(string strItemName, object objTag)
{
Debug.Assert(strItemName != null);
if(strItemName == null) throw new ArgumentNullException("strItemName");
m_strItemName = strItemName;
m_objTag = objTag;
}
}
public sealed class DynamicMenu
{
private ToolStripItemCollection m_tsicHost;
private List<ToolStripItem> m_vMenuItems = new List<ToolStripItem>();
public event EventHandler<DynamicMenuEventArgs> MenuClick;
// Constructor required by plugins
public DynamicMenu(ToolStripDropDownItem tsmiHost)
{
Debug.Assert(tsmiHost != null);
if(tsmiHost == null) throw new ArgumentNullException("tsmiHost");
m_tsicHost = tsmiHost.DropDownItems;
}
public DynamicMenu(ToolStripItemCollection tsicHost)
{
Debug.Assert(tsicHost != null);
if(tsicHost == null) throw new ArgumentNullException("tsicHost");
m_tsicHost = tsicHost;
}
~DynamicMenu()
{
Clear();
}
public void Clear()
{
for(int i = 0; i < m_vMenuItems.Count; ++i)
{
ToolStripItem tsi = m_vMenuItems[m_vMenuItems.Count - i - 1];
if(tsi is ToolStripMenuItem)
tsi.Click -= this.OnMenuClick;
m_tsicHost.Remove(tsi);
}
m_vMenuItems.Clear();
}
public ToolStripMenuItem AddItem(string strItemText, Image imgSmallIcon)
{
return AddItem(strItemText, imgSmallIcon, null);
}
public ToolStripMenuItem AddItem(string strItemText, Image imgSmallIcon,
object objTag)
{
Debug.Assert(strItemText != null);
if(strItemText == null) throw new ArgumentNullException("strItemText");
ToolStripMenuItem tsmi = new ToolStripMenuItem(strItemText);
tsmi.Click += this.OnMenuClick;
tsmi.Tag = objTag;
if(imgSmallIcon != null) tsmi.Image = imgSmallIcon;
m_tsicHost.Add(tsmi);
m_vMenuItems.Add(tsmi);
return tsmi;
}
public void AddSeparator()
{
ToolStripSeparator sep = new ToolStripSeparator();
m_tsicHost.Add(sep);
m_vMenuItems.Add(sep);
}
private void OnMenuClick(object sender, EventArgs e)
{
ToolStripItem tsi = (sender as ToolStripItem);
Debug.Assert(tsi != null); if(tsi == null) return;
string strText = tsi.Text;
Debug.Assert(strText != null); if(strText == null) return;
DynamicMenuEventArgs args = new DynamicMenuEventArgs(strText, tsi.Tag);
if(this.MenuClick != null) this.MenuClick(sender, args);
}
}
}
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