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Sorting enabled in searchResult poster mode.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| using System.ComponentModel; | ||
| using System.Windows; | ||
| using System.Windows.Controls; | ||
| using System.Windows.Controls.Primitives; | ||
| using System.Windows.Data; | ||
| using Microsoft.Xaml.Behaviors; | ||
|
|
||
| //https://www.codewrecks.com/post/old/2014/04/sorting-a-wpf-listview-in-grid-mode/ | ||
| //Usage:<GridViewColumn DisplayMemberBinding="{Binding Year}" Width="60"> | ||
| // <GridViewColumn.Header> | ||
| // <GridViewColumnHeader modules:ListViewGridSortableBehavior.SortHeaderString="Year"> | ||
| // <StackPanel Orientation="Horizontal"> | ||
| // <Label Content="↓" Visibility="{Binding Path=SortDownVisibility, RelativeSource={RelativeSource AncestorType={x:Type GridViewColumnHeader}}}"></Label> | ||
| // <Label Content="↑" Visibility="{Binding Path=SortUpVisibility, RelativeSource={RelativeSource AncestorType={x:Type GridViewColumnHeader}}}"></Label> | ||
| // <Label Content="Author"></Label> | ||
| // </StackPanel> | ||
| // </GridViewColumnHeader> | ||
| // </GridViewColumn.Header> | ||
| // </GridViewColumn> | ||
|
|
||
| namespace FoliCon.Modules | ||
| { | ||
| public class ListViewGridSortableBehavior : Behavior<ListView> | ||
| { | ||
| public static readonly DependencyProperty HeaderStringProperty = | ||
| DependencyProperty.Register(nameof(HeaderString), typeof(object), typeof(GridViewColumnHeader)); | ||
| public object HeaderString | ||
| { | ||
| get => GetValue(HeaderStringProperty); | ||
| set => SetValue(HeaderStringProperty, value); | ||
| } | ||
| protected override void OnAttached() | ||
| { | ||
| AssociatedObject?.AddHandler(ButtonBase.ClickEvent, new RoutedEventHandler(GridHeaderClickEventHandler)); | ||
| base.OnAttached(); | ||
| } | ||
|
|
||
| private GridViewColumnHeader _lastHeaderClicked; | ||
| private ListSortDirection _lastDirection = ListSortDirection.Ascending; | ||
| void GridHeaderClickEventHandler(object sender, RoutedEventArgs e) | ||
| { | ||
| if (e.OriginalSource is not GridViewColumnHeader headerClicked) return; | ||
| if (headerClicked.Role == GridViewColumnHeaderRole.Padding) return; | ||
| var direction = headerClicked != _lastHeaderClicked | ||
| ? ListSortDirection.Ascending | ||
| : _lastDirection == ListSortDirection.Ascending ? ListSortDirection.Descending : ListSortDirection.Ascending; | ||
| if (_lastHeaderClicked != null) | ||
| { | ||
| SetSortDownVisibility(_lastHeaderClicked, Visibility.Collapsed); | ||
| SetSortUpVisibility(_lastHeaderClicked, Visibility.Collapsed); | ||
| } | ||
| //string header = headerClicked.Column.Header as string; | ||
| var sortString = GetSortHeaderString(headerClicked); | ||
| if (string.IsNullOrEmpty(sortString)) return; | ||
| Sort(sortString, direction); | ||
| if (direction == ListSortDirection.Ascending) | ||
| { | ||
| SetSortDownVisibility(headerClicked, Visibility.Collapsed); | ||
| SetSortUpVisibility(headerClicked, Visibility.Visible); | ||
| } | ||
| else | ||
| { | ||
| SetSortDownVisibility(headerClicked, Visibility.Visible); | ||
| SetSortUpVisibility(headerClicked, Visibility.Collapsed); | ||
| } | ||
| // Remove arrow from previously sorted header | ||
| if (_lastHeaderClicked != null && _lastHeaderClicked != headerClicked) | ||
| { | ||
| _lastHeaderClicked.Column.HeaderTemplate = null; | ||
| } | ||
| _lastHeaderClicked = headerClicked; | ||
| _lastDirection = direction; | ||
| } | ||
| private void Sort(string sortBy, ListSortDirection direction) | ||
| { | ||
| var dataView = | ||
| CollectionViewSource.GetDefaultView(AssociatedObject.ItemsSource); | ||
| dataView.SortDescriptions.Clear(); | ||
| var sd = new SortDescription(sortBy, direction); | ||
| dataView.SortDescriptions.Add(sd); | ||
| dataView.Refresh(); | ||
| } | ||
| public static readonly DependencyProperty SortHeaderStringProperty = | ||
| DependencyProperty.RegisterAttached | ||
| ( | ||
| "SortHeaderString", | ||
| typeof(string), | ||
| typeof(GridViewColumnHeader) | ||
| ); | ||
| public static string GetSortHeaderString(DependencyObject obj) | ||
| { | ||
| return (string)obj.GetValue(SortHeaderStringProperty); | ||
| } | ||
| public static void SetSortHeaderString(DependencyObject obj, string value) | ||
| { | ||
| obj.SetValue(SortHeaderStringProperty, value); | ||
| } | ||
| public static readonly DependencyProperty SortDownVisibilityProperty = | ||
| DependencyProperty.RegisterAttached | ||
| ( | ||
| "SortDownVisibility", | ||
| typeof(Visibility), | ||
| typeof(GridViewColumnHeader), | ||
| new UIPropertyMetadata(Visibility.Collapsed) | ||
| ); | ||
| public static Visibility GetSortDownVisibility(DependencyObject obj) | ||
| { | ||
| return (Visibility)obj.GetValue(SortDownVisibilityProperty); | ||
| } | ||
| public static void SetSortDownVisibility(DependencyObject obj, Visibility value) | ||
| { | ||
| obj.SetValue(SortDownVisibilityProperty, value); | ||
| } | ||
| public static readonly DependencyProperty SortUpVisibilityProperty = | ||
| DependencyProperty.RegisterAttached | ||
| ( | ||
| "SortUpVisibility", | ||
| typeof(Visibility), | ||
| typeof(GridViewColumnHeader), | ||
| new UIPropertyMetadata(Visibility.Collapsed) | ||
| ); | ||
| public static Visibility GetSortUpVisibility(DependencyObject obj) | ||
| { | ||
| return (Visibility)obj.GetValue(SortUpVisibilityProperty); | ||
| } | ||
| public static void SetSortUpVisibility(DependencyObject obj, Visibility value) | ||
| { | ||
| obj.SetValue(SortUpVisibilityProperty, value); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" | ||
| xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> | ||
| <DataTemplate x:Key="HeaderTemplateArrowUp"> | ||
| <DockPanel> | ||
| <TextBlock HorizontalAlignment="Center" Text="{Binding}"/> | ||
| <Path x:Name="arrow" | ||
| StrokeThickness = "1" | ||
| Fill = "gray" | ||
| Data = "M 5,10 L 15,10 L 10,5 L 5,10"/> | ||
| </DockPanel> | ||
| </DataTemplate> | ||
| <DataTemplate x:Key="HeaderTemplateArrowDown"> | ||
| <DockPanel> | ||
| <TextBlock HorizontalAlignment="Center" Text="{Binding }"/> | ||
| <Path x:Name="arrow" | ||
| StrokeThickness = "1" | ||
| Fill = "gray" | ||
| Data = "M 5,5 L 10,10 L 15,5 L 5,5"/> | ||
| </DockPanel> | ||
| </DataTemplate> | ||
| </ResourceDictionary> |