86 lines
3.1 KiB
C#
86 lines
3.1 KiB
C#
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using DTS.Common.Interface.Groups.GroupTemplateList;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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using DTS.Common.Controls;
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using DTS.Common.Interface.Groups.GroupList;
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using DTS.Common.Utils;
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// ReSharper disable CheckNamespace
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namespace GroupList
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{
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/// <inheritdoc cref="IGroupListView" />
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/// <summary>
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/// Interaction logic for GroupListView.xaml
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/// </summary>
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public partial class GroupListView : IGroupListView
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{
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public GroupListView()
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{
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InitializeComponent();
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}
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private void ListViewHeader_Click(object sender, RoutedEventArgs e)
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{
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var colHeader = (GridViewColumnHeader)e.OriginalSource;
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var viewModel = (IGroupListViewModel)colHeader.DataContext;
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viewModel.Sort(colHeader.Tag, true);
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}
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private void GridViewColumnHeaderSearchable_OnSearch(object sender, RoutedEventArgs e)
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{
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var searchTerm = (string)e.OriginalSource;
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var columnTag = (sender as GridViewColumnHeaderSearchable)?.Tag;
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var vm = (IGroupListViewModel)DataContext;
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vm.Filter(columnTag, searchTerm);
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}
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private void GridViewColumnHeader_OnClick(object sender, RoutedEventArgs e)
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{
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var vm = (IGroupListViewModel)DataContext;
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var columnTag = (sender as GridViewColumnHeaderSearchable)?.Tag ?? Utils.FindChild<GridViewColumnHeaderSearchable>((DependencyObject)e.OriginalSource, null)?.Tag;
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vm?.Sort(columnTag, true);
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}
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private void MouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
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{
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if (!(sender is ListView lv))
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{
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return;
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}
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var index = GetCurrentIndex(e.GetPosition, lv);
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if (index >= 0 && index < lv.Items.Count)
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{
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var vm = (IGroupListViewModel)lv.DataContext;
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vm.MouseDoubleClick(index);
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}
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}
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private delegate Point GetPositionDelegate(IInputElement element);
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private static int GetCurrentIndex(GetPositionDelegate getPosition, ListView lv)
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{
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var index = -1;
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for (var i = 0; i < lv.Items.Count; i++)
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{
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var item = GetListViewItem(i, lv);
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if (item == null)
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continue;
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if (IsMouseOverTarget(item, getPosition))
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{
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index = i;
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break;
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}
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}
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return index;
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}
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private static ListViewItem GetListViewItem(int index, ListView lv)
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{
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return lv.ItemContainerGenerator.ContainerFromIndex(index) as ListViewItem;
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}
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private static bool IsMouseOverTarget(Visual target, GetPositionDelegate getPosition)
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{
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var bounds = VisualTreeHelper.GetDescendantBounds(target);
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var mousePos = getPosition((IInputElement)target);
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return bounds.Contains(mousePos);
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}
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}
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}
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