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54 lines
1.3 KiB
54 lines
1.3 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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namespace GummingCommon
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{
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public class TreeListView : TreeView
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{
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protected override DependencyObject GetContainerForItemOverride()
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{
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return new TreeListViewItem();
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}
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protected override bool IsItemItsOwnContainerOverride(object item)
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{
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bool _isTreeLVI = item is TreeListViewItem;
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return _isTreeLVI;
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}
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}
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public class TreeListViewItem : TreeViewItem
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{
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public int Level
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{
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get
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{
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if (_level == -1)
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{
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TreeListViewItem parent =
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ItemsControl.ItemsControlFromItemContainer(this) as TreeListViewItem;
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_level = (parent != null) ? parent.Level + 1 : 0;
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}
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return _level;
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}
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}
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protected override DependencyObject GetContainerForItemOverride()
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{
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return new TreeListViewItem();
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}
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protected override bool IsItemItsOwnContainerOverride(object item)
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{
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bool _isITV = item is TreeListViewItem;
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return _isITV;
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}
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private int _level = -1;
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}
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}
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