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//
// TreeView.cs
//
// Author:
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2013-2017 Jean-Philippe Bruyère
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
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
public class TreeView : TemplatedGroup
{
GraphicObject selectedItemContainer = null;
bool isRoot;
#region CTOR
protected TreeView() : base(){}
public TreeView (Interface iface) : base(iface)
{
}
#endregion
[XmlAttributeAttribute()][DefaultValue(false)]
public virtual bool IsRoot {
get { return isRoot; }
set {
if (isRoot == value)
return;
isRoot = value;
NotifyValueChanged ("IsRoot", isRoot);
}
}
[XmlIgnore]public override object SelectedItem {
get {
return selectedItemContainer == null ?
"" : selectedItemContainer.DataSource;
}
}
protected override void registerItemClick (GraphicObject g)
{
//register ItemClick on the Root node
TreeView tv = this as TreeView;
while (!tv.IsRoot) {
ILayoutable tmp = tv.Parent;
while (!(tmp is TreeView)) {
tmp = tmp.Parent;
}
tv = tmp as TreeView;
}
g.MouseClick += tv.itemClick;
}
internal override void itemClick (object sender, MouseButtonEventArgs e)
{
GraphicObject tmp = sender as GraphicObject;
if (!tmp.HasFocus)
return;
if (selectedItemContainer != null) {
selectedItemContainer.Foreground = Color.Transparent;
selectedItemContainer.Background = Color.Transparent;
}
selectedItemContainer = tmp;
selectedItemContainer.Foreground = SelectionForeground;
selectedItemContainer.Background = SelectionBackground;
NotifyValueChanged ("SelectedItem", SelectedItem);
raiseSelectedItemChanged ();
}
void onExpandAll_MouseClick (object sender, MouseButtonEventArgs e)
{
ExpandAll ();
}
public void ExpandAll(){
foreach (Group grp in items.Children) {
foreach (GraphicObject go in grp.Children) {
Expandable exp = go as Expandable;
if (exp == null)
continue;
TreeView subTV = exp.FindByName ("List") as TreeView;
if (subTV == null)
continue;
EventHandler handler = null;
handler = delegate(object sender, EventArgs e) {
TreeView tv = sender as TreeView;
tv.Loaded -= handler;
tv.ExpandAll ();
};
subTV.Loaded += handler;
exp.IsExpanded = true;
}
}
}
}
}
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