chore: use file-scoped namespace
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748 files changed
+57929
-58678
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@@ -3,257 +3,256 @@ using System.Linq;
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using System.Windows;
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using HandyControl.Data;
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namespace HandyControl.Controls
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namespace HandyControl.Controls;
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public class SideMenu : HeaderedSimpleItemsControl
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{
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public class SideMenu : HeaderedSimpleItemsControl
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private SideMenuItem _selectedItem;
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private SideMenuItem _selectedHeader;
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private bool _isItemSelected;
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public SideMenu()
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{
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private SideMenuItem _selectedItem;
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AddHandler(SideMenuItem.SelectedEvent, new RoutedEventHandler(SideMenuItemSelected));
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private SideMenuItem _selectedHeader;
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Loaded += (s, e) => Init();
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}
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private bool _isItemSelected;
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protected override void Refresh()
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{
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base.Refresh();
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public SideMenu()
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Init();
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}
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private void Init()
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{
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if (ItemsHost == null) return;
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OnExpandModeChanged(ExpandMode);
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}
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private void SideMenuItemSelected(object sender, RoutedEventArgs e)
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{
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if (e.OriginalSource is SideMenuItem item)
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{
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AddHandler(SideMenuItem.SelectedEvent, new RoutedEventHandler(SideMenuItemSelected));
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Loaded += (s, e) => Init();
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}
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protected override void Refresh()
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{
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base.Refresh();
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Init();
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}
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private void Init()
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{
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if (ItemsHost == null) return;
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OnExpandModeChanged(ExpandMode);
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}
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private void SideMenuItemSelected(object sender, RoutedEventArgs e)
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{
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if (e.OriginalSource is SideMenuItem item)
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if (item.Role == SideMenuItemRole.Item)
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{
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if (item.Role == SideMenuItemRole.Item)
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_isItemSelected = true;
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if (Equals(item, _selectedItem)) return;
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if (_selectedItem != null)
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{
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_isItemSelected = true;
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_selectedItem.IsSelected = false;
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}
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if (Equals(item, _selectedItem)) return;
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if (_selectedItem != null)
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_selectedItem = item;
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_selectedItem.IsSelected = true;
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RaiseEvent(new FunctionEventArgs<object>(SelectionChangedEvent, this)
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{
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Info = e.OriginalSource
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});
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}
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else
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{
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if (!Equals(item, _selectedHeader))
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{
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if (_selectedHeader != null)
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{
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_selectedItem.IsSelected = false;
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if (ExpandMode == ExpandMode.Freedom && item.ItemsHost.IsVisible && !_isItemSelected)
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{
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item.IsSelected = false;
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SwitchPanelArea(item);
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return;
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}
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_selectedHeader.IsSelected = false;
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if (ExpandMode != ExpandMode.Freedom)
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{
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SwitchPanelArea(_selectedHeader);
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}
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}
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_selectedItem = item;
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_selectedItem.IsSelected = true;
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_selectedHeader = item;
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_selectedHeader.IsSelected = true;
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SwitchPanelArea(_selectedHeader);
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}
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else if (ExpandMode == ExpandMode.Freedom && !_isItemSelected)
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{
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_selectedHeader.IsSelected = false;
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SwitchPanelArea(_selectedHeader);
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_selectedHeader = null;
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}
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if (_isItemSelected)
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{
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_isItemSelected = false;
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}
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else if (_selectedHeader != null)
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{
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if (AutoSelect)
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{
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if (_selectedItem != null)
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{
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_selectedItem.IsSelected = false;
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_selectedItem = null;
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}
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_selectedHeader.SelectDefaultItem();
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}
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_isItemSelected = false;
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}
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if (!item.HasItems)
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{
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RaiseEvent(new FunctionEventArgs<object>(SelectionChangedEvent, this)
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{
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Info = e.OriginalSource
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});
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}
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else
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}
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}
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}
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private void SwitchPanelArea(SideMenuItem oldItem)
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{
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switch (ExpandMode)
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{
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case ExpandMode.ShowAll:
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return;
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case ExpandMode.ShowOne:
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case ExpandMode.Freedom:
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case ExpandMode.Accordion:
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oldItem.SwitchPanelArea(oldItem.IsSelected);
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break;
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}
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}
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protected override DependencyObject GetContainerForItemOverride() => new SideMenuItem();
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protected override bool IsItemItsOwnContainerOverride(object item) => item is SideMenuItem;
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public static readonly DependencyProperty AutoSelectProperty = DependencyProperty.Register(
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"AutoSelect", typeof(bool), typeof(SideMenu), new PropertyMetadata(ValueBoxes.TrueBox));
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public bool AutoSelect
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{
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get => (bool) GetValue(AutoSelectProperty);
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set => SetValue(AutoSelectProperty, ValueBoxes.BooleanBox(value));
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}
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public static readonly DependencyProperty ExpandModeProperty = DependencyProperty.Register(
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"ExpandMode", typeof(ExpandMode), typeof(SideMenu), new PropertyMetadata(default(ExpandMode), OnExpandModeChanged));
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private static void OnExpandModeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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var ctl = (SideMenu) d;
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var v = (ExpandMode) e.NewValue;
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if (ctl.ItemsHost == null)
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{
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return;
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}
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ctl.OnExpandModeChanged(v);
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}
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private void OnExpandModeChanged(ExpandMode mode)
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{
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if (mode == ExpandMode.ShowAll)
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{
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ShowAll();
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}
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else if (mode == ExpandMode.ShowOne)
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{
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SideMenuItem sideMenuItemSelected = null;
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foreach (var sideMenuItem in ItemsHost.Children.OfType<SideMenuItem>())
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{
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if (sideMenuItemSelected != null)
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{
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if (!Equals(item, _selectedHeader))
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sideMenuItem.IsSelected = false;
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if (sideMenuItem.ItemsHost != null)
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{
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if (_selectedHeader != null)
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foreach (var sideMenuSubItem in sideMenuItem.ItemsHost.Children.OfType<SideMenuItem>())
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{
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if (ExpandMode == ExpandMode.Freedom && item.ItemsHost.IsVisible && !_isItemSelected)
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{
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item.IsSelected = false;
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SwitchPanelArea(item);
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return;
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}
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_selectedHeader.IsSelected = false;
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if (ExpandMode != ExpandMode.Freedom)
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{
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SwitchPanelArea(_selectedHeader);
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}
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sideMenuSubItem.IsSelected = false;
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}
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_selectedHeader = item;
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_selectedHeader.IsSelected = true;
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SwitchPanelArea(_selectedHeader);
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}
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else if (ExpandMode == ExpandMode.Freedom && !_isItemSelected)
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}
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else if (sideMenuItem.IsSelected)
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{
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switch (sideMenuItem.Role)
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{
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_selectedHeader.IsSelected = false;
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SwitchPanelArea(_selectedHeader);
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_selectedHeader = null;
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case SideMenuItemRole.Header:
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_selectedHeader = sideMenuItem;
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break;
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case SideMenuItemRole.Item:
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_selectedItem = sideMenuItem;
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break;
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}
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if (_isItemSelected)
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ShowSelectedOne(sideMenuItem);
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sideMenuItemSelected = sideMenuItem;
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if (sideMenuItem.ItemsHost != null)
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{
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_isItemSelected = false;
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}
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else if (_selectedHeader != null)
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{
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if (AutoSelect)
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foreach (var sideMenuSubItem in sideMenuItem.ItemsHost.Children.OfType<SideMenuItem>())
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{
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if (_selectedItem != null)
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{
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_selectedItem.IsSelected = false;
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_selectedItem = null;
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}
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_selectedHeader.SelectDefaultItem();
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}
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_isItemSelected = false;
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}
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if (!item.HasItems)
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{
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RaiseEvent(new FunctionEventArgs<object>(SelectionChangedEvent, this)
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{
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Info = e.OriginalSource
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});
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}
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}
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}
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}
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private void SwitchPanelArea(SideMenuItem oldItem)
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{
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switch (ExpandMode)
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{
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case ExpandMode.ShowAll:
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return;
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case ExpandMode.ShowOne:
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case ExpandMode.Freedom:
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case ExpandMode.Accordion:
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oldItem.SwitchPanelArea(oldItem.IsSelected);
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break;
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}
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}
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protected override DependencyObject GetContainerForItemOverride() => new SideMenuItem();
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protected override bool IsItemItsOwnContainerOverride(object item) => item is SideMenuItem;
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public static readonly DependencyProperty AutoSelectProperty = DependencyProperty.Register(
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"AutoSelect", typeof(bool), typeof(SideMenu), new PropertyMetadata(ValueBoxes.TrueBox));
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public bool AutoSelect
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{
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get => (bool) GetValue(AutoSelectProperty);
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set => SetValue(AutoSelectProperty, ValueBoxes.BooleanBox(value));
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}
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public static readonly DependencyProperty ExpandModeProperty = DependencyProperty.Register(
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"ExpandMode", typeof(ExpandMode), typeof(SideMenu), new PropertyMetadata(default(ExpandMode), OnExpandModeChanged));
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private static void OnExpandModeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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var ctl = (SideMenu) d;
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var v = (ExpandMode) e.NewValue;
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if (ctl.ItemsHost == null)
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{
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return;
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}
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ctl.OnExpandModeChanged(v);
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}
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private void OnExpandModeChanged(ExpandMode mode)
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{
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if (mode == ExpandMode.ShowAll)
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{
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ShowAll();
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}
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else if (mode == ExpandMode.ShowOne)
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{
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SideMenuItem sideMenuItemSelected = null;
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foreach (var sideMenuItem in ItemsHost.Children.OfType<SideMenuItem>())
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{
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if (sideMenuItemSelected != null)
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{
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sideMenuItem.IsSelected = false;
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if (sideMenuItem.ItemsHost != null)
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{
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foreach (var sideMenuSubItem in sideMenuItem.ItemsHost.Children.OfType<SideMenuItem>())
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{
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sideMenuSubItem.IsSelected = false;
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}
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}
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}
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else if (sideMenuItem.IsSelected)
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{
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switch (sideMenuItem.Role)
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{
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case SideMenuItemRole.Header:
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_selectedHeader = sideMenuItem;
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break;
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case SideMenuItemRole.Item:
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_selectedItem = sideMenuItem;
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break;
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}
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ShowSelectedOne(sideMenuItem);
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sideMenuItemSelected = sideMenuItem;
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if (sideMenuItem.ItemsHost != null)
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{
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foreach (var sideMenuSubItem in sideMenuItem.ItemsHost.Children.OfType<SideMenuItem>())
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else if (sideMenuSubItem.IsSelected)
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{
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if (_selectedItem != null)
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{
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sideMenuSubItem.IsSelected = false;
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}
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else if (sideMenuSubItem.IsSelected)
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{
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_selectedItem = sideMenuSubItem;
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}
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_selectedItem = sideMenuSubItem;
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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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}
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public ExpandMode ExpandMode
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public ExpandMode ExpandMode
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{
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get => (ExpandMode) GetValue(ExpandModeProperty);
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set => SetValue(ExpandModeProperty, value);
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}
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public static readonly DependencyProperty PanelAreaLengthProperty = DependencyProperty.Register(
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"PanelAreaLength", typeof(double), typeof(SideMenu), new PropertyMetadata(double.NaN));
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public double PanelAreaLength
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{
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get => (double) GetValue(PanelAreaLengthProperty);
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set => SetValue(PanelAreaLengthProperty, value);
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}
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private void ShowAll()
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{
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foreach (var sideMenuItem in ItemsHost.Children.OfType<SideMenuItem>())
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{
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get => (ExpandMode) GetValue(ExpandModeProperty);
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set => SetValue(ExpandModeProperty, value);
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}
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public static readonly DependencyProperty PanelAreaLengthProperty = DependencyProperty.Register(
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"PanelAreaLength", typeof(double), typeof(SideMenu), new PropertyMetadata(double.NaN));
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public double PanelAreaLength
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{
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get => (double) GetValue(PanelAreaLengthProperty);
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set => SetValue(PanelAreaLengthProperty, value);
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}
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private void ShowAll()
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{
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foreach (var sideMenuItem in ItemsHost.Children.OfType<SideMenuItem>())
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{
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sideMenuItem.SwitchPanelArea(true);
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}
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}
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private void ShowSelectedOne(SideMenuItem item)
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{
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foreach (var sideMenuItem in ItemsHost.Children.OfType<SideMenuItem>())
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{
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sideMenuItem.SwitchPanelArea(Equals(sideMenuItem, item));
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}
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}
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public static readonly RoutedEvent SelectionChangedEvent = EventManager.RegisterRoutedEvent(
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"SelectionChanged", RoutingStrategy.Bubble, typeof(EventHandler<FunctionEventArgs<object>>), typeof(SideMenu));
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public event EventHandler<FunctionEventArgs<object>> SelectionChanged
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{
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add => AddHandler(SelectionChangedEvent, value);
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remove => RemoveHandler(SelectionChangedEvent, value);
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sideMenuItem.SwitchPanelArea(true);
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}
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}
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}
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private void ShowSelectedOne(SideMenuItem item)
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{
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foreach (var sideMenuItem in ItemsHost.Children.OfType<SideMenuItem>())
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{
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sideMenuItem.SwitchPanelArea(Equals(sideMenuItem, item));
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}
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}
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public static readonly RoutedEvent SelectionChangedEvent = EventManager.RegisterRoutedEvent(
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"SelectionChanged", RoutingStrategy.Bubble, typeof(EventHandler<FunctionEventArgs<object>>), typeof(SideMenu));
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public event EventHandler<FunctionEventArgs<object>> SelectionChanged
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{
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add => AddHandler(SelectionChangedEvent, value);
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remove => RemoveHandler(SelectionChangedEvent, value);
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}
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}
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@@ -6,212 +6,211 @@ using System.Windows.Input;
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using HandyControl.Data;
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using HandyControl.Tools.Extension;
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namespace HandyControl.Controls
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namespace HandyControl.Controls;
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public class SideMenuItem : HeaderedSimpleItemsControl, ISelectable, ICommandSource
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{
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public class SideMenuItem : HeaderedSimpleItemsControl, ISelectable, ICommandSource
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private bool _isMouseLeftButtonDown;
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public static readonly DependencyProperty IconProperty = DependencyProperty.Register(
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"Icon", typeof(object), typeof(SideMenuItem), new PropertyMetadata(default(object)));
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public object Icon
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{
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private bool _isMouseLeftButtonDown;
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get => GetValue(IconProperty);
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set => SetValue(IconProperty, value);
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}
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public static readonly DependencyProperty IconProperty = DependencyProperty.Register(
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"Icon", typeof(object), typeof(SideMenuItem), new PropertyMetadata(default(object)));
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public object Icon
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public SideMenuItem()
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{
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SetBinding(ExpandModeProperty, new Binding(SideMenu.ExpandModeProperty.Name)
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{
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get => GetValue(IconProperty);
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set => SetValue(IconProperty, value);
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}
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RelativeSource = new RelativeSource(RelativeSourceMode.FindAncestor, typeof(SideMenu), 1)
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});
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}
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public SideMenuItem()
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internal static readonly DependencyProperty ExpandModeProperty =
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SideMenu.ExpandModeProperty.AddOwner(typeof(SideMenuItem), new PropertyMetadata(default(ExpandMode)));
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internal ExpandMode ExpandMode
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{
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get => (ExpandMode) GetValue(ExpandModeProperty);
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set => SetValue(ExpandModeProperty, value);
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}
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protected override void Refresh()
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{
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if (ItemsHost == null) return;
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ItemsHost.Children.Clear();
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foreach (var item in Items)
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{
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SetBinding(ExpandModeProperty, new Binding(SideMenu.ExpandModeProperty.Name)
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DependencyObject container;
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if (IsItemItsOwnContainerOverride(item))
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{
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RelativeSource = new RelativeSource(RelativeSourceMode.FindAncestor, typeof(SideMenu), 1)
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});
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}
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internal static readonly DependencyProperty ExpandModeProperty =
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SideMenu.ExpandModeProperty.AddOwner(typeof(SideMenuItem), new PropertyMetadata(default(ExpandMode)));
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internal ExpandMode ExpandMode
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{
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get => (ExpandMode) GetValue(ExpandModeProperty);
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set => SetValue(ExpandModeProperty, value);
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}
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protected override void Refresh()
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{
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if (ItemsHost == null) return;
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ItemsHost.Children.Clear();
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foreach (var item in Items)
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container = item as DependencyObject;
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}
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else
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{
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DependencyObject container;
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if (IsItemItsOwnContainerOverride(item))
|
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{
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container = item as DependencyObject;
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}
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else
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{
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container = GetContainerForItemOverride();
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PrepareContainerForItemOverride(container, item);
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}
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|
||||
if (container is FrameworkElement element)
|
||||
{
|
||||
element.Style = ItemContainerStyle;
|
||||
ItemsHost.Children.Add(element);
|
||||
}
|
||||
container = GetContainerForItemOverride();
|
||||
PrepareContainerForItemOverride(container, item);
|
||||
}
|
||||
|
||||
if (IsLoaded)
|
||||
if (container is FrameworkElement element)
|
||||
{
|
||||
SwitchPanelArea(ExpandMode == ExpandMode.ShowAll || IsSelected);
|
||||
element.Style = ItemContainerStyle;
|
||||
ItemsHost.Children.Add(element);
|
||||
}
|
||||
}
|
||||
|
||||
protected virtual void OnSelected(RoutedEventArgs e)
|
||||
if (IsLoaded)
|
||||
{
|
||||
RaiseEvent(e);
|
||||
|
||||
switch (Command)
|
||||
{
|
||||
case null:
|
||||
return;
|
||||
case RoutedCommand command:
|
||||
command.Execute(CommandParameter, CommandTarget);
|
||||
break;
|
||||
default:
|
||||
Command.Execute(CommandParameter);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
public static readonly RoutedEvent SelectedEvent =
|
||||
EventManager.RegisterRoutedEvent("Selected", RoutingStrategy.Bubble,
|
||||
typeof(RoutedEventHandler), typeof(SideMenuItem));
|
||||
|
||||
public event RoutedEventHandler Selected
|
||||
{
|
||||
add => AddHandler(SelectedEvent, value);
|
||||
remove => RemoveHandler(SelectedEvent, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty IsSelectedProperty = DependencyProperty.Register(
|
||||
"IsSelected", typeof(bool), typeof(SideMenuItem), new PropertyMetadata(ValueBoxes.FalseBox));
|
||||
|
||||
public bool IsSelected
|
||||
{
|
||||
get => (bool) GetValue(IsSelectedProperty);
|
||||
set => SetValue(IsSelectedProperty, ValueBoxes.BooleanBox(value));
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty RoleProperty = DependencyProperty.Register(
|
||||
"Role", typeof(SideMenuItemRole), typeof(SideMenuItem), new PropertyMetadata(default(SideMenuItemRole)));
|
||||
|
||||
public SideMenuItemRole Role
|
||||
{
|
||||
get => (SideMenuItemRole) GetValue(RoleProperty);
|
||||
internal set => SetValue(RoleProperty, value);
|
||||
}
|
||||
|
||||
protected override DependencyObject GetContainerForItemOverride() => new SideMenuItem();
|
||||
|
||||
protected override bool IsItemItsOwnContainerOverride(object item) => item is SideMenuItem;
|
||||
|
||||
protected override void OnMouseLeave(MouseEventArgs e)
|
||||
{
|
||||
base.OnMouseLeave(e);
|
||||
|
||||
_isMouseLeftButtonDown = false;
|
||||
}
|
||||
|
||||
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
|
||||
{
|
||||
base.OnMouseLeftButtonDown(e);
|
||||
|
||||
_isMouseLeftButtonDown = true;
|
||||
}
|
||||
|
||||
protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
|
||||
{
|
||||
base.OnMouseLeftButtonUp(e);
|
||||
|
||||
if (_isMouseLeftButtonDown)
|
||||
{
|
||||
IsSelected = true;
|
||||
OnSelected(new RoutedEventArgs(SelectedEvent, this));
|
||||
_isMouseLeftButtonDown = false;
|
||||
}
|
||||
}
|
||||
|
||||
internal void SelectDefaultItem()
|
||||
{
|
||||
if (Role == SideMenuItemRole.Header && ItemsHost.Children.Count > 0)
|
||||
{
|
||||
var item = ItemsHost.Children.OfType<SideMenuItem>().FirstOrDefault();
|
||||
if (item is { IsSelected: false })
|
||||
{
|
||||
item.OnSelected(new RoutedEventArgs(SelectedEvent, item));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
internal void SwitchPanelArea(bool isShow)
|
||||
{
|
||||
if (ItemsHost == null) return;
|
||||
if (Role == SideMenuItemRole.Header)
|
||||
{
|
||||
ItemsHost.Show(isShow);
|
||||
}
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty CommandProperty = DependencyProperty.Register(
|
||||
"Command", typeof(ICommand), typeof(SideMenuItem), new PropertyMetadata(default(ICommand), OnCommandChanged));
|
||||
|
||||
private static void OnCommandChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
|
||||
{
|
||||
var ctl = (SideMenuItem) d;
|
||||
if (e.OldValue is ICommand oldCommand)
|
||||
{
|
||||
oldCommand.CanExecuteChanged -= ctl.CanExecuteChanged;
|
||||
}
|
||||
if (e.NewValue is ICommand newCommand)
|
||||
{
|
||||
newCommand.CanExecuteChanged += ctl.CanExecuteChanged;
|
||||
}
|
||||
}
|
||||
|
||||
public ICommand Command
|
||||
{
|
||||
get => (ICommand) GetValue(CommandProperty);
|
||||
set => SetValue(CommandProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty CommandParameterProperty = DependencyProperty.Register(
|
||||
"CommandParameter", typeof(object), typeof(SideMenuItem), new PropertyMetadata(default(object)));
|
||||
|
||||
public object CommandParameter
|
||||
{
|
||||
get => GetValue(CommandParameterProperty);
|
||||
set => SetValue(CommandParameterProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty CommandTargetProperty = DependencyProperty.Register(
|
||||
"CommandTarget", typeof(IInputElement), typeof(SideMenuItem), new PropertyMetadata(default(IInputElement)));
|
||||
|
||||
public IInputElement CommandTarget
|
||||
{
|
||||
get => (IInputElement) GetValue(CommandTargetProperty);
|
||||
set => SetValue(CommandTargetProperty, value);
|
||||
}
|
||||
|
||||
private void CanExecuteChanged(object sender, EventArgs e)
|
||||
{
|
||||
if (Command == null) return;
|
||||
|
||||
IsEnabled = Command is RoutedCommand command
|
||||
? command.CanExecute(CommandParameter, CommandTarget)
|
||||
: Command.CanExecute(CommandParameter);
|
||||
SwitchPanelArea(ExpandMode == ExpandMode.ShowAll || IsSelected);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
protected virtual void OnSelected(RoutedEventArgs e)
|
||||
{
|
||||
RaiseEvent(e);
|
||||
|
||||
switch (Command)
|
||||
{
|
||||
case null:
|
||||
return;
|
||||
case RoutedCommand command:
|
||||
command.Execute(CommandParameter, CommandTarget);
|
||||
break;
|
||||
default:
|
||||
Command.Execute(CommandParameter);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
public static readonly RoutedEvent SelectedEvent =
|
||||
EventManager.RegisterRoutedEvent("Selected", RoutingStrategy.Bubble,
|
||||
typeof(RoutedEventHandler), typeof(SideMenuItem));
|
||||
|
||||
public event RoutedEventHandler Selected
|
||||
{
|
||||
add => AddHandler(SelectedEvent, value);
|
||||
remove => RemoveHandler(SelectedEvent, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty IsSelectedProperty = DependencyProperty.Register(
|
||||
"IsSelected", typeof(bool), typeof(SideMenuItem), new PropertyMetadata(ValueBoxes.FalseBox));
|
||||
|
||||
public bool IsSelected
|
||||
{
|
||||
get => (bool) GetValue(IsSelectedProperty);
|
||||
set => SetValue(IsSelectedProperty, ValueBoxes.BooleanBox(value));
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty RoleProperty = DependencyProperty.Register(
|
||||
"Role", typeof(SideMenuItemRole), typeof(SideMenuItem), new PropertyMetadata(default(SideMenuItemRole)));
|
||||
|
||||
public SideMenuItemRole Role
|
||||
{
|
||||
get => (SideMenuItemRole) GetValue(RoleProperty);
|
||||
internal set => SetValue(RoleProperty, value);
|
||||
}
|
||||
|
||||
protected override DependencyObject GetContainerForItemOverride() => new SideMenuItem();
|
||||
|
||||
protected override bool IsItemItsOwnContainerOverride(object item) => item is SideMenuItem;
|
||||
|
||||
protected override void OnMouseLeave(MouseEventArgs e)
|
||||
{
|
||||
base.OnMouseLeave(e);
|
||||
|
||||
_isMouseLeftButtonDown = false;
|
||||
}
|
||||
|
||||
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
|
||||
{
|
||||
base.OnMouseLeftButtonDown(e);
|
||||
|
||||
_isMouseLeftButtonDown = true;
|
||||
}
|
||||
|
||||
protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
|
||||
{
|
||||
base.OnMouseLeftButtonUp(e);
|
||||
|
||||
if (_isMouseLeftButtonDown)
|
||||
{
|
||||
IsSelected = true;
|
||||
OnSelected(new RoutedEventArgs(SelectedEvent, this));
|
||||
_isMouseLeftButtonDown = false;
|
||||
}
|
||||
}
|
||||
|
||||
internal void SelectDefaultItem()
|
||||
{
|
||||
if (Role == SideMenuItemRole.Header && ItemsHost.Children.Count > 0)
|
||||
{
|
||||
var item = ItemsHost.Children.OfType<SideMenuItem>().FirstOrDefault();
|
||||
if (item is { IsSelected: false })
|
||||
{
|
||||
item.OnSelected(new RoutedEventArgs(SelectedEvent, item));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
internal void SwitchPanelArea(bool isShow)
|
||||
{
|
||||
if (ItemsHost == null) return;
|
||||
if (Role == SideMenuItemRole.Header)
|
||||
{
|
||||
ItemsHost.Show(isShow);
|
||||
}
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty CommandProperty = DependencyProperty.Register(
|
||||
"Command", typeof(ICommand), typeof(SideMenuItem), new PropertyMetadata(default(ICommand), OnCommandChanged));
|
||||
|
||||
private static void OnCommandChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
|
||||
{
|
||||
var ctl = (SideMenuItem) d;
|
||||
if (e.OldValue is ICommand oldCommand)
|
||||
{
|
||||
oldCommand.CanExecuteChanged -= ctl.CanExecuteChanged;
|
||||
}
|
||||
if (e.NewValue is ICommand newCommand)
|
||||
{
|
||||
newCommand.CanExecuteChanged += ctl.CanExecuteChanged;
|
||||
}
|
||||
}
|
||||
|
||||
public ICommand Command
|
||||
{
|
||||
get => (ICommand) GetValue(CommandProperty);
|
||||
set => SetValue(CommandProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty CommandParameterProperty = DependencyProperty.Register(
|
||||
"CommandParameter", typeof(object), typeof(SideMenuItem), new PropertyMetadata(default(object)));
|
||||
|
||||
public object CommandParameter
|
||||
{
|
||||
get => GetValue(CommandParameterProperty);
|
||||
set => SetValue(CommandParameterProperty, value);
|
||||
}
|
||||
|
||||
public static readonly DependencyProperty CommandTargetProperty = DependencyProperty.Register(
|
||||
"CommandTarget", typeof(IInputElement), typeof(SideMenuItem), new PropertyMetadata(default(IInputElement)));
|
||||
|
||||
public IInputElement CommandTarget
|
||||
{
|
||||
get => (IInputElement) GetValue(CommandTargetProperty);
|
||||
set => SetValue(CommandTargetProperty, value);
|
||||
}
|
||||
|
||||
private void CanExecuteChanged(object sender, EventArgs e)
|
||||
{
|
||||
if (Command == null) return;
|
||||
|
||||
IsEnabled = Command is RoutedCommand command
|
||||
? command.CanExecute(CommandParameter, CommandTarget)
|
||||
: Command.CanExecute(CommandParameter);
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user