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"Merged" 0.8 with HEAD, so we can continue developing

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@1282 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
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RKrom 2011-07-17 12:05:59 +00:00
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Greenshot/Controls/BindableToolStripDropDownButton.cs Normal file
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/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2011 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
*
* 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 1 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, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.ComponentModel;
using System.Windows.Forms;
using System.Windows.Forms.Design;
namespace Greenshot.Controls {
/// <summary>
/// A simple ToolStripDropDownButton implementing INotifyPropertyChanged for data binding.
/// Also, when a DropDownItem is selected, the DropDownButton adops its Tag and Image.
/// The selected tag can be accessed via SelectedTag property.
/// </summary>
public class BindableToolStripDropDownButton : ToolStripDropDownButton, INotifyPropertyChanged {
public event PropertyChangedEventHandler PropertyChanged;
public BindableToolStripDropDownButton() {
}
public object SelectedTag {
get { if(Tag==null && DropDownItems.Count>0) Tag=DropDownItems[0].Tag; return Tag; }
set { AdoptFromTag(value); }
}
protected override void OnDropDownItemClicked(ToolStripItemClickedEventArgs e) {
ToolStripItem clickedItem = e.ClickedItem;
if(Tag == null || !Tag.Equals(clickedItem.Tag)) {
Tag = clickedItem.Tag;
Image = clickedItem.Image;
if(PropertyChanged != null) PropertyChanged(this, new PropertyChangedEventArgs("SelectedTag"));
}
base.OnDropDownItemClicked(e);
}
private void AdoptFromTag(object tag) {
if(Tag == null || !Tag.Equals(tag)) {
Tag = tag;
foreach(ToolStripItem item in DropDownItems) {
if(item.Tag != null && item.Tag.Equals(tag)) {
Image = item.Image;
break;
}
}
Tag = tag;
if(PropertyChanged != null) PropertyChanged(this, new PropertyChangedEventArgs("SelectedTag"));
}
}
}
}