■ ItemsControl 클래스에서 리스트 컨트롤을 만드는 방법을 보여준다.
▶ Generic.xaml
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<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Aero" xmlns:local="clr-namespace:TestLibrary"> <Style TargetType="{x:Type local:ListControl}"> <Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}" /> <Setter Property="BorderBrush" Value="#ff707070" /> <Setter Property="BorderThickness" Value="1" /> <Setter Property="KeyboardNavigation.TabNavigation" Value="Once" /> <Setter Property="Padding" Value="3" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type local:ListControl}"> <Border Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"> <ScrollViewer x:Name="scrollViewer" Padding="{TemplateBinding Padding}" HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto"> <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" /> </ScrollViewer> </Border> </ControlTemplate> </Setter.Value> </Setter> </Style> <Style TargetType="{x:Type local:SelectorItem}"> <Setter Property="HorizontalContentAlignment" Value="{Binding RelativeSource={RelativeSource AncestorType={x:Type local:Selector}}, Path=HorizontalContentAlignment}" /> <Setter Property="VerticalContentAlignment" Value="{Binding RelativeSource={RelativeSource AncestorType={x:Type local:Selector}}, Path=VerticalContentAlignment}" /> <Setter Property="Padding" Value="4 0 0 0" /> <Setter Property="IsTabStop" Value="False" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type local:SelectorItem}"> <Border x:Name="backgroundBorder" Margin="1" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"> <DockPanel Width="{Binding RelativeSource={RelativeSource AncestorType={x:Type Border}, Mode=FindAncestor}, Path=ActualWidth}" LastChildFill="True"> <BulletDecorator DockPanel.Dock="Left" Margin="2 0 0 0" VerticalAlignment="Center" SnapsToDevicePixels="True" Background="Transparent"> <BulletDecorator.Bullet> <themes:BulletChrome BorderBrush="Black" IsRound="{Binding Path=SingleSelect, RelativeSource={RelativeSource AncestorType={x:Type local:ListControl}, Mode=FindAncestor}}" IsChecked="{Binding IsSelected, RelativeSource={RelativeSource TemplatedParent}}" RenderMouseOver="{TemplateBinding IsMouseOver}" /> </BulletDecorator.Bullet> </BulletDecorator> <ContentControl Margin="5 1 0 1" VerticalAlignment="Center" ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" Foreground="{TemplateBinding Foreground}" /> </DockPanel> </Border> <ControlTemplate.Triggers> <Trigger Property="IsMouseOver" Value="true"> <Setter TargetName="backgroundBorder" Property="Background" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}" /> <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}" /> </Trigger> <Trigger Property="IsKeyboardFocusWithin" Value="true"> <Setter TargetName="backgroundBorder" Property="Background" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}" /> <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}" /> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> </ResourceDictionary> |
▶ ListControl.cs
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using System.Collections; using System.Windows; using System.Windows.Controls; using System.Windows.Input; using System.Windows.Media; namespace TestLibrary { /// <summary> /// 리스트 컨트롤 /// </summary> public class ListControl : Selector { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 단일 선택 의존 속성 - SingleSelectProperty /// <summary> /// 단일 선택 의존 속성 /// </summary> public static readonly DependencyProperty SingleSelectProperty = DependencyProperty.Register ( "SingleSelect", typeof(bool), typeof(ListControl), new UIPropertyMetadata(false, singleSelectPropertyChangedCallback) ); #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// PREVIEW 마우스 DOWN 이벤트 핸들러 /// </summary> private MouseButtonEventHandler previewMouseDownEventHandler = null; /// <summary> /// PREVIEW 마우스 UP 이벤트 핸들러 /// </summary> private MouseButtonEventHandler previewMouseUpEventHandler = null; /// <summary> /// PREVIEW 마우스 이동시 이벤트 핸들러 /// </summary> private MouseEventHandler previewMouseMoveEventHandler = null; /// <summary> /// 드래그 시작 인덱스 /// </summary> private int dragStartIndex = -1; /// <summary> /// 드래그 종료 인덱스 /// </summary> private int dragEndIndex = -1; /// <summary> /// 스크롤 뷰어 /// </summary> private ScrollViewer scrollViewer = null; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 단일 선택 - SingleSelect /// <summary> /// 단일 선택 /// </summary> public bool SingleSelect { get { return (bool)GetValue(SingleSelectProperty); } set { SetValue(SingleSelectProperty, value); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Static #region 생성자 - CheckListBox() /// <summary> /// 생성자 /// </summary> static ListControl() { DefaultStyleKeyProperty.OverrideMetadata(typeof(ListControl), new FrameworkPropertyMetadata(typeof(ListControl))); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - CheckListBox() /// <summary> /// 생성자 /// </summary> public ListControl() { this.previewMouseDownEventHandler = new MouseButtonEventHandler(ItemsControl_PreviewMouseDown); this.previewMouseUpEventHandler = new MouseButtonEventHandler(ItemsControl_PreviewMouseUp ); this.previewMouseMoveEventHandler = new MouseEventHandler (ItemsControl_PreviewMouseMove); AddHandler(ItemsControl.PreviewMouseDownEvent, this.previewMouseDownEventHandler); AddHandler(ItemsControl.PreviewMouseUpEvent , this.previewMouseUpEventHandler ); AddHandler(ItemsControl.PreviewMouseMoveEvent, this.previewMouseMoveEventHandler); Loaded += Selector_Loaded; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 단일 선택 속성 변경시 콜백 처리하기 - singleSelectPropertyChangedCallback(dependencyObject, e) /// <summary> /// 단일 선택 속성 변경시 콜백 처리하기 /// </summary> /// <param name="d">의존 객체</param> /// <param name="e">이벤트 인자</param> private static void singleSelectPropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) { ListControl checkListBox = d as ListControl; bool newValue = (bool)e.NewValue; if(newValue) { checkListBox.surpressItemSelectionChanged = true; IList selectedList = checkListBox.SelectedItems; if(selectedList != null) { if(selectedList.Count > 1) { IList sourceList = (checkListBox.ItemsSource ?? checkListBox.Items) as IList; for(int i = 0; i < sourceList.Count; i++) { object item = sourceList[i]; SelectorItem selectorItem = checkListBox.ItemContainerGenerator.ContainerFromItem(item) as SelectorItem; selectorItem.IsSelected = false; } } } checkListBox.surpressItemSelectionChanged = false; ItemSelectionChangedEventArgs itemSelectionChangedEventArgs = new ItemSelectionChangedEventArgs ( Selector.ItemSelectionChangedEvent, checkListBox, null, true ); checkListBox.RaiseEvent(itemSelectionChangedEventArgs); } } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Private #region 셀렉터 로드시 처리하기 - Selector_Loaded(sender, e) /// <summary> /// 셀렉터 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Selector_Loaded(object sender, RoutedEventArgs e) { this.scrollViewer = Template.FindName("scrollViewer", this) as ScrollViewer; } #endregion #region 항목들 컨트롤 PREVIEW 마우스 DOWN 처리하기 - ItemsControl_PreviewMouseDown(sender, e) /// <summary> /// 항목들 컨트롤 PREVIEW 마우스 DOWN 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void ItemsControl_PreviewMouseDown(object sender, MouseButtonEventArgs e) { if(e.ChangedButton == MouseButton.Left) { if(Keyboard.Modifiers == ModifierKeys.Control || Keyboard.Modifiers == ModifierKeys.Shift) { return; } IList sourceList = (ItemsSource ?? Items) as IList; if(sourceList == null || sourceList.Count == 0) { return; } HitTestResult hitTestResult = VisualTreeHelper.HitTest(this, e.GetPosition(this)); if(hitTestResult == null) { return; } SelectorItem selectorItem = hitTestResult.VisualHit.FindParent<SelectorItem>(); if(selectorItem == null) { return; } object item = selectorItem.Content as object; if(item == null) { return; } this.dragStartIndex = sourceList.IndexOf(item); } } #endregion #region 항목들 컨트롤 PREVIEW 마우스 이동시 처리하기 - ItemsControl_PreviewMouseMove(sender, e) /// <summary> /// 항목들 컨트롤 PREVIEW 마우스 이동시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void ItemsControl_PreviewMouseMove(object sender, MouseEventArgs e) { if(e.LeftButton == MouseButtonState.Pressed) { Point mousePosition = e.GetPosition(this); if(this.scrollViewer != null) { if(mousePosition.Y > Height - 8) { this.scrollViewer.ScrollToVerticalOffset(this.scrollViewer.VerticalOffset + 4); } else if(mousePosition.Y < 8) { this.scrollViewer.ScrollToVerticalOffset(this.scrollViewer.VerticalOffset - 4); } } } } #endregion #region 항목들 컨트롤 PREVIEW 마우스 UP 처리하기 - ItemsControl_PreviewMouseUp(sender, e) /// <summary> /// 항목들 컨트롤 PREVIEW 마우스 UP 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void ItemsControl_PreviewMouseUp(object sender, MouseButtonEventArgs e) { if(e.ChangedButton == MouseButton.Left) { if(Keyboard.Modifiers == ModifierKeys.Control || Keyboard.Modifiers == ModifierKeys.Shift) { return; } IList sourceList = (ItemsSource ?? Items) as IList; if(sourceList == null || sourceList.Count == 0) { return; } HitTestResult hitTestResult = VisualTreeHelper.HitTest(this, e.GetPosition(this)); if(hitTestResult == null) { return; } SelectorItem selectorItemHitted = hitTestResult.VisualHit.FindParent<SelectorItem>(); if(selectorItemHitted == null) { return; } object itemHitted = selectorItemHitted.Content as object; if(itemHitted == null) { return; } this.dragEndIndex = sourceList.IndexOf(itemHitted); if(this.dragStartIndex == -1 || this.dragEndIndex == -1) { return; } if(SingleSelect) { this.dragStartIndex = this.dragEndIndex; } else { if(this.dragStartIndex > this.dragEndIndex) { int temporaryIndex = this.dragStartIndex; this.dragStartIndex = this.dragEndIndex; this.dragEndIndex = temporaryIndex; } } this.surpressItemSelectionChanged = true; if(SingleSelect) { SelectorItem startSelectorItem = ItemContainerGenerator.ContainerFromIndex(this.dragStartIndex) as SelectorItem; startSelectorItem.IsSelected = !startSelectorItem.IsSelected; if(startSelectorItem.IsSelected) { for(int i = 0; i < sourceList.Count; i++) { SelectorItem selectorItem = ItemContainerGenerator.ContainerFromIndex(i) as SelectorItem; if(selectorItem == startSelectorItem) { continue; } selectorItem.IsSelected = false; } } } else { for(int i = this.dragStartIndex; i < this.dragEndIndex + 1; i++) { SelectorItem selectorItem = ItemContainerGenerator.ContainerFromIndex(i) as SelectorItem; selectorItem.IsSelected = !selectorItem.IsSelected; } } this.surpressItemSelectionChanged = false; ItemSelectionChangedEventArgs itemSelectionChangedEventArgs = new ItemSelectionChangedEventArgs ( Selector.ItemSelectionChangedEvent, this, null, true ); RaiseEvent(itemSelectionChangedEventArgs); } } #endregion } } |
