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//
// TreeView.cs
//
// Author:
// Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
//
// Copyright (c) 2016 jp
//
// 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 3 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.Xml.Serialization;
using System.Diagnostics;
using System.ComponentModel;
namespace Crow
{
//treeview expect expandable child (or not)
//if their are expandable, some functions and events are added
[DefaultTemplate("#Crow.Templates.TreeView.crow")]
public class TreeView : ListBox
{
GraphicObject selectedItemContainer = null;
Color selBackground;
Color selForeground;
bool isRoot;
public TreeView () : base()
{
}
[XmlAttributeAttribute()][DefaultValue(false)]
public virtual bool IsRoot {
get { return isRoot; }
set {
if (isRoot == value)
return;
isRoot = value;
NotifyValueChanged ("IsRoot", isRoot);
}
}
[XmlAttributeAttribute][DefaultValue("SteelBlue")]//DeepJungleGreen
public virtual Color SelectionBackground {
get { return selBackground; }
set {
if (value == selBackground)
return;
selBackground = value;
NotifyValueChanged ("SelectionBackground", selBackground);
RegisterForRedraw ();
}
}
[XmlAttributeAttribute][DefaultValue("White")]
public virtual Color SelectionForeground {
get { return selForeground; }
set {
if (value == selForeground)
return;
selForeground = value;
NotifyValueChanged ("SelectionForeground", selForeground);
RegisterForRedraw ();
}
}
[XmlIgnore]public override object SelectedItem {
get {
return selectedItemContainer == null ?
"" : selectedItemContainer.DataSource;
}
}
internal override void itemClick (object sender, MouseButtonEventArgs e)
{
GraphicObject tmp = sender as GraphicObject;
if (selectedItemContainer != null) {
selectedItemContainer.Foreground = Color.Transparent;
selectedItemContainer.Background = Color.Transparent;
}
selectedItemContainer = tmp;
selectedItemContainer.Foreground = SelectionForeground;
selectedItemContainer.Background = SelectionBackground;
NotifyValueChanged ("SelectedItem", SelectedItem);
raiseSelectedItemChanged ();
}
}
}
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