[#37] Controls: Implement CheckComboBox and remove xctk
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Test / Run tests (push) Successful in 2m26s
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106
Elwig/Controls/CheckComboBox.cs
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106
Elwig/Controls/CheckComboBox.cs
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using System.Linq;
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using System.Windows;
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using System.Windows.Controls;
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namespace Elwig.Controls {
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public class CheckComboBox : ListBox {
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public static readonly DependencyProperty DelimiterProperty = DependencyProperty.Register("Delimiter", typeof(string), typeof(CheckComboBox), new FrameworkPropertyMetadata(", "));
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public string Delimiter {
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get => (string)GetValue(DelimiterProperty);
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set => SetValue(DelimiterProperty, value);
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}
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public static readonly DependencyProperty AllItemsSelectedContentProperty = DependencyProperty.Register("AllItemsSelectedContent", typeof(string), typeof(CheckComboBox), new FrameworkPropertyMetadata("All"));
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public string AllItemsSelectedContent {
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get => (string)GetValue(AllItemsSelectedContentProperty);
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set => SetValue(AllItemsSelectedContentProperty, value);
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}
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public static readonly DependencyProperty IsSelectAllActiveProperty = DependencyProperty.Register("IsSelectAllActive", typeof(bool), typeof(CheckComboBox), new FrameworkPropertyMetadata(false));
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public bool IsSelectAllActive {
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get => (bool)GetValue(IsSelectAllActiveProperty);
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set => SetValue(IsSelectAllActiveProperty, value);
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}
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public static readonly DependencyProperty SelectAllContentProperty = DependencyProperty.Register("SelectAllContent", typeof(string), typeof(CheckComboBox), new FrameworkPropertyMetadata("All"));
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public string SelectAllContent {
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get => (string)GetValue(SelectAllContentProperty);
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set => SetValue(SelectAllContentProperty, value);
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}
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public static readonly DependencyProperty AllItemsSelectedProperty = DependencyProperty.Register("AllItemsSelected", typeof(bool?), typeof(CheckComboBox), new FrameworkPropertyMetadata(false));
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public bool? AllItemsSelected {
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get => (bool?)GetValue(AllItemsSelectedProperty);
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set => SetValue(AllItemsSelectedProperty, value);
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}
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public static readonly DependencyProperty IsDropDownOpenProperty = DependencyProperty.Register("IsDropDownOpen", typeof(bool), typeof(CheckComboBox), new FrameworkPropertyMetadata(false));
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public bool IsDropDownOpen {
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get => (bool)GetValue(IsDropDownOpenProperty);
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set => SetValue(IsDropDownOpenProperty, value);
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}
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public static readonly DependencyProperty MaxDropDownHeightProperty = DependencyProperty.Register("MaxDropDownHeight", typeof(double), typeof(CheckComboBox), new FrameworkPropertyMetadata(ComboBox.MaxDropDownHeightProperty.DefaultMetadata.DefaultValue));
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public double MaxDropDownHeight {
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get => (double)GetValue(MaxDropDownHeightProperty);
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set => SetValue(MaxDropDownHeightProperty, value);
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}
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static CheckComboBox() {
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DefaultStyleKeyProperty.OverrideMetadata(typeof(CheckComboBox), new FrameworkPropertyMetadata(typeof(CheckComboBox)));
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}
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private TextBlock TextBox;
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public CheckComboBox() {
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SelectionMode = SelectionMode.Multiple;
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}
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public override void OnApplyTemplate() {
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TextBox = (GetTemplateChild("TextBox") as TextBlock)!;
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var button = GetTemplateChild("Button") as Button;
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button!.Click += Button_MouseDown;
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var item = GetTemplateChild("SelectAllItem") as ListBoxItem;
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item!.PreviewMouseDown += SelectAllItem_MouseDown;
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SelectionChanged += OnSelectionChanged;
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IsEnabledChanged += OnIsEnabledChanged;
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base.OnApplyTemplate();
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}
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private void Button_MouseDown(object sender, RoutedEventArgs evt) {
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IsDropDownOpen = !IsDropDownOpen;
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}
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private void SelectAllItem_MouseDown(object sender, RoutedEventArgs evt) {
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if (AllItemsSelected == false) {
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SelectAll();
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} else {
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UnselectAll();
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}
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evt.Handled = true;
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}
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private void OnSelectionChanged(object sender, SelectionChangedEventArgs evt) {
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var dmp = DisplayMemberPath != null && DisplayMemberPath != "" ? DisplayMemberPath : null;
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if (SelectedItems.Count == ItemsSource.Cast<object>().Count() && AllItemsSelectedContent != null) {
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TextBox.Text = AllItemsSelectedContent;
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AllItemsSelected = true;
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} else if (SelectedItems.Count == 0) {
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TextBox.Text = "";
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AllItemsSelected = false;
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} else {
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TextBox.Text = string.Join(Delimiter,
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dmp == null ? SelectedItems.Cast<object>() :
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SelectedItems.Cast<object>()
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.Select(i => i.GetType().GetProperty(dmp)?.GetValue(i))
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);
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AllItemsSelected = null;
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}
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}
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private void OnIsEnabledChanged(object sender, DependencyPropertyChangedEventArgs evt) {
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if (!IsEnabled) IsDropDownOpen = false;
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}
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}
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}
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118
Elwig/Controls/CheckComboBox.xaml
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118
Elwig/Controls/CheckComboBox.xaml
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<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:ctrl="clr-namespace:Elwig.Controls">
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<ctrl:VisibilityConverter x:Key="VisibilityConverter"/>
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<Style TargetType="ctrl:CheckComboBox" BasedOn="{StaticResource {x:Type ListBox}}">
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate TargetType="ctrl:CheckComboBox">
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<Grid Style="{x:Null}">
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<Button x:Name="Button" ClickMode="Press" BorderThickness="1"
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BorderBrush="{TemplateBinding BorderBrush}"
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IsEnabled="{Binding IsEnabled, RelativeSource={RelativeSource TemplatedParent}}">
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<Button.Style>
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<Style TargetType="{x:Type Button}">
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<Setter Property="Background" Value="White"/>
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate TargetType="{x:Type Button}">
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<Border Background="{TemplateBinding Background}" SnapsToDevicePixels="True"
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BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="1">
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<ContentPresenter HorizontalAlignment="Stretch" VerticalAlignment="Stretch"/>
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</Border>
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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</Style>
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</Button.Style>
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<Path x:Name="IconDropdown" Data="M 0,0 L 3,3 L 6,0" Stroke="#FF606060" StrokeThickness="1" Margin="0,0,5,0"
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HorizontalAlignment="Right" VerticalAlignment="Center"/>
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</Button>
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<TextBlock x:Name="TextBox" Style="{x:Null}" Margin="6,0,18,0" IsHitTestVisible="False"
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HorizontalAlignment="Stretch" VerticalAlignment="Center"/>
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<Popup x:Name="Popup" Placement="Bottom" Focusable="True"
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IsOpen="{Binding IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"
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PopupAnimation="Slide" AllowsTransparency="True">
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<Popup.Style>
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<Style TargetType="{x:Type Popup}">
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<Setter Property="StaysOpen" Value="False"/>
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<Style.Triggers>
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<DataTrigger Binding="{Binding IsMouseOver, ElementName=Button}" Value="True">
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<Setter Property="StaysOpen" Value="True"/>
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</DataTrigger>
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<DataTrigger Binding="{Binding IsMouseOver, ElementName=Border}" Value="True">
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<Setter Property="StaysOpen" Value="True"/>
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</DataTrigger>
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</Style.Triggers>
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</Style>
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</Popup.Style>
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<Border x:Name="Border" Style="{x:Null}" BorderThickness="1" BorderBrush="Gray" Background="White" SnapsToDevicePixels="True"
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MinWidth="{TemplateBinding ActualWidth}"
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MaxHeight="{TemplateBinding MaxDropDownHeight}">
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<DockPanel>
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<ListBoxItem x:Name="SelectAllItem" Padding="2,1,2,1" DockPanel.Dock="Top"
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Visibility="{TemplateBinding IsSelectAllActive, Converter={StaticResource VisibilityConverter}}">
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<StackPanel Orientation="Horizontal">
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<CheckBox VerticalAlignment="Center" Margin="0,0,5,0" IsThreeState="True"
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IsChecked="{Binding AllItemsSelected, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"/>
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<TextBlock Text="{TemplateBinding SelectAllContent}" VerticalAlignment="Center" Margin="0" SnapsToDevicePixels="True"/>
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</StackPanel>
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</ListBoxItem>
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<ScrollViewer Style="{x:Null}">
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<StackPanel Style="{x:Null}" IsItemsHost="True" SnapsToDevicePixels="True"
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KeyboardNavigation.DirectionalNavigation="Contained"/>
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</ScrollViewer>
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</DockPanel>
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</Border>
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</Popup>
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</Grid>
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<ControlTemplate.Triggers>
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<Trigger Property="IsEnabled" Value="False">
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<Setter TargetName="IconDropdown" Property="Stroke" Value="#FFA0A0A0"/>
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</Trigger>
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<Trigger Property="IsMouseOver" Value="True">
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<Setter TargetName="IconDropdown" Property="Stroke" Value="Black"/>
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</Trigger>
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</ControlTemplate.Triggers>
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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<Setter Property="ItemContainerStyle">
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<Setter.Value>
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<Style TargetType="ListBoxItem">
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate TargetType="ListBoxItem">
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<Border BorderBrush="{TemplateBinding BorderBrush}"
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BorderThickness="{TemplateBinding BorderThickness}"
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Background="{TemplateBinding Background}"
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Padding="2,1,2,1">
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<StackPanel Orientation="Horizontal">
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<CheckBox VerticalAlignment="Center" Margin="0,0,5,0"
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IsChecked="{Binding IsSelected, Mode=TwoWay, RelativeSource={RelativeSource AncestorType=ListBoxItem}}"/>
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<ContentPresenter VerticalAlignment="Center" Margin="0" SnapsToDevicePixels="True"/>
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</StackPanel>
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</Border>
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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<Setter Property="BorderThickness" Value="1"/>
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<Style.Triggers>
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<Trigger Property="IsMouseOver" Value="True">
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<Setter Property="BorderBrush" Value="#FF70C0E7"/>
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<Setter Property="Background" Value="#FFE5F3FB"/>
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</Trigger>
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</Style.Triggers>
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</Style>
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</Setter.Value>
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</Setter>
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<Style.Triggers>
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<Trigger Property="IsEnabled" Value="False">
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<Setter Property="Foreground" Value="Gray"/>
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</Trigger>
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<Trigger Property="IsMouseOver" Value="True">
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<Setter Property="BorderBrush" Value="#FF7EB4EA"/>
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</Trigger>
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</Style.Triggers>
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</Style>
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</ResourceDictionary>
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16
Elwig/Controls/VisibilityConverter.cs
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16
Elwig/Controls/VisibilityConverter.cs
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using System;
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using System.Windows;
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using System.Windows.Data;
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using System.Globalization;
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namespace Elwig.Controls {
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public class VisibilityConverter : IValueConverter {
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture) {
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return (bool)value ? Visibility.Visible : Visibility.Collapsed;
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}
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) {
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return (Visibility)value == Visibility.Visible;
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}
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}
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}
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