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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2025 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.Diagnostics;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace KeePass.UI
{
public sealed class DynamicMenuEventArgs : EventArgs
{
private readonly string m_strItemName;
private readonly object m_objTag;
public string ItemName
{
get { return m_strItemName; }
}
public object Tag
{
get { return m_objTag; }
}
public DynamicMenuEventArgs(string strItemName, object objTag)
{
if(strItemName == null) { Debug.Assert(false); throw new ArgumentNullException("strItemName"); }
m_strItemName = strItemName;
m_objTag = objTag;
}
}
public sealed class DynamicMenu
{
private readonly ToolStripItemCollection m_tsicHost;
private readonly List<ToolStripItem> m_lItems = new List<ToolStripItem>();
public event EventHandler<DynamicMenuEventArgs> MenuClick;
// Constructor required by plugins
public DynamicMenu(ToolStripDropDownItem tsmiHost)
{
if(tsmiHost == null) { Debug.Assert(false); throw new ArgumentNullException("tsmiHost"); }
m_tsicHost = tsmiHost.DropDownItems;
}
public DynamicMenu(ToolStripItemCollection tsicHost)
{
if(tsicHost == null) { Debug.Assert(false); throw new ArgumentNullException("tsicHost"); }
m_tsicHost = tsicHost;
}
public void Clear()
{
Debug.Assert(m_lItems.TrueForAll(tsi => m_tsicHost.Contains(tsi)));
if(m_tsicHost.Count == m_lItems.Count)
m_tsicHost.Clear();
else
{
for(int i = m_lItems.Count - 1; i >= 0; --i)
{
ToolStripItem tsi = m_lItems[i];
for(int j = m_tsicHost.Count - 1; j >= 0; --j)
{
if(m_tsicHost[j] == tsi)
{
m_tsicHost.RemoveAt(j);
break;
}
}
}
}
Debug.Assert(m_lItems.TrueForAll(tsi => !m_tsicHost.Contains(tsi)));
m_lItems.Clear();
}
public ToolStripMenuItem AddItem(string strItemText, Image imgSmallIcon)
{
return AddItem(strItemText, imgSmallIcon, null);
}
public ToolStripMenuItem AddItem(string strItemText, Image imgSmallIcon,
object objTag)
{
if(strItemText == null) { Debug.Assert(false); 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_lItems.Add(tsmi);
return tsmi;
}
public void AddSeparator()
{
ToolStripSeparator s = new ToolStripSeparator();
m_tsicHost.Add(s);
m_lItems.Add(s);
}
private void OnMenuClick(object sender, EventArgs e)
{
ToolStripItem tsi = (sender as ToolStripItem);
if(tsi == null) { Debug.Assert(false); return; }
string strText = tsi.Text;
if(strText == null) { Debug.Assert(false); return; }
if(this.MenuClick != null)
this.MenuClick(sender, new DynamicMenuEventArgs(strText, tsi.Tag));
}
}
}
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