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@ -1,7 +1,9 @@ |
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using System; |
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using System; |
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using System.Collections.Generic; |
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using System.Collections.Generic; |
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using System.ComponentModel; |
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using System.Linq; |
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using System.Linq; |
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using System.Text; |
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using System.Text; |
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using System.Windows; |
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using System.Windows.Automation; |
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using System.Windows.Automation; |
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using System.Windows.Automation.Peers; |
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using System.Windows.Automation.Peers; |
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using System.Windows.Automation.Provider; |
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using System.Windows.Automation.Provider; |
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@ -14,11 +16,10 @@ namespace ICSharpCode.TreeView |
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: base(owner) |
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: base(owner) |
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{ |
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{ |
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SharpTreeViewItem.DataContextChanged += OnDataContextChanged; |
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SharpTreeViewItem.DataContextChanged += OnDataContextChanged; |
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SharpTreeNode node = SharpTreeViewItem.DataContext as SharpTreeNode; |
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SharpTreeNode node = SharpTreeViewItem.DataContext as SharpTreeNode; |
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if (node == null) return; |
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if (node == null) return; |
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node.PropertyChanged += OnPropertyChanged; |
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node.PropertyChanged += OnPropertyChanged; |
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} |
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} |
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private SharpTreeViewItem SharpTreeViewItem { get { return (SharpTreeViewItem)base.Owner; } } |
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private SharpTreeViewItem SharpTreeViewItem { get { return (SharpTreeViewItem)base.Owner; } } |
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protected override AutomationControlType GetAutomationControlTypeCore() |
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protected override AutomationControlType GetAutomationControlTypeCore() |
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@ -32,6 +33,7 @@ namespace ICSharpCode.TreeView |
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return this; |
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return this; |
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return base.GetPattern(patternInterface); |
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return base.GetPattern(patternInterface); |
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} |
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} |
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public void Collapse() |
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public void Collapse() |
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{ |
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{ |
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} |
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} |
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@ -40,35 +42,36 @@ namespace ICSharpCode.TreeView |
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{ |
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{ |
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} |
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} |
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public ExpandCollapseState ExpandCollapseState |
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public ExpandCollapseState ExpandCollapseState { |
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{ |
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get { |
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get { |
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SharpTreeNode node = SharpTreeViewItem.DataContext as SharpTreeNode; |
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SharpTreeNode node = SharpTreeViewItem.DataContext as SharpTreeNode; |
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if (node == null || !node.ShowExpander) |
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if (node == null || !node.ShowExpander) |
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return ExpandCollapseState.LeafNode; |
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return ExpandCollapseState.LeafNode; |
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return node.IsExpanded?ExpandCollapseState.Expanded:ExpandCollapseState.Collapsed; |
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return node.IsExpanded ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed; |
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} |
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} |
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} |
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} |
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private void OnPropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e) |
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private void OnPropertyChanged(object sender, PropertyChangedEventArgs e) |
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{ |
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{ |
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if (e.PropertyName != "IsExpanded") return; |
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if (e.PropertyName != "IsExpanded") return; |
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SharpTreeNode node = sender as SharpTreeNode; |
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SharpTreeNode node = sender as SharpTreeNode; |
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if (node == null || node.Children.Count == 0) return; |
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if (node == null || node.Children.Count == 0) return; |
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bool newValue = node.IsExpanded; |
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bool newValue = node.IsExpanded; |
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bool oldValue = !newValue; |
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bool oldValue = !newValue; |
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RaisePropertyChangedEvent( |
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RaisePropertyChangedEvent( |
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ExpandCollapsePatternIdentifiers.ExpandCollapseStateProperty, |
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ExpandCollapsePatternIdentifiers.ExpandCollapseStateProperty, |
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oldValue ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed, |
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oldValue ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed, |
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newValue ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed); |
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newValue ? ExpandCollapseState.Expanded : ExpandCollapseState.Collapsed); |
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} |
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} |
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private void OnDataContextChanged(object sender,System.Windows.DependencyPropertyChangedEventArgs e) |
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private void OnDataContextChanged(object sender, DependencyPropertyChangedEventArgs e) |
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{ |
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{ |
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SharpTreeNode oldNode = e.OldValue as SharpTreeNode; |
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SharpTreeNode oldNode = e.OldValue as SharpTreeNode; |
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if (oldNode != null) |
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if (oldNode != null) |
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oldNode.PropertyChanged -= OnPropertyChanged; |
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oldNode.PropertyChanged -= OnPropertyChanged; |
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SharpTreeNode newNode = e.NewValue as SharpTreeNode; |
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SharpTreeNode newNode = e.NewValue as SharpTreeNode; |
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if (newNode != null) |
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if (newNode != null) |
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newNode.PropertyChanged += OnPropertyChanged; |
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newNode.PropertyChanged += OnPropertyChanged; |
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} |
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} |
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} |
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} |
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} |
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} |
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