予約管理プラグインの名前リストを任意の順に並び替えられるようにした

Author: ryu-s

YoyakuPlugin/SettingsView.xaml

@@ -58,15 +58,21 @@
             </TabItem>
             <TabItem Header="一覧">
                 <ScrollViewer HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Background="#F0F0F0" VerticalScrollBarVisibility="Visible">
-                    <DataGrid 
-                AutoGenerateColumns="False"
-                CanUserAddRows="False"
-                CanUserDeleteRows="False"
-                CanUserReorderColumns="False"
-                CanUserResizeRows="False"
-                SelectionMode="Extended"
-                SelectedValue="{Binding SelectedUser}"
-                ItemsSource="{Binding RegisteredUsers, IsAsync=True}">
+                    <DataGrid x:Name="RegisteredUserDataGrid"
+                              AutoGenerateColumns="False"
+                              CanUserAddRows="False"
+                              CanUserDeleteRows="False"
+                              CanUserReorderColumns="False"
+                              CanUserResizeRows="False"
+                              SelectionMode="Single"
+                              SelectionUnit="FullRow"
+                              SelectedValue="{Binding SelectedUser}"
+                              AllowDrop="True"
+                              Drop="DataGrid_Drop"
+                              PreviewMouseLeftButtonDown="DataGrid_PreviewMouseLeftButtonDown"
+                              MouseMove="PositionsGrid_MouseMove"
+                              MouseLeftButtonUp="PositionsGrid_MouseLeftButtonUp"
+                              ItemsSource="{Binding RegisteredUsers, IsAsync=True}">
                         <DataGrid.Columns>
                             <DataGridTemplateColumn Header="登録日時">
                                 <DataGridTemplateColumn.CellTemplate>
@@ -89,8 +95,13 @@
                                     </DataTemplate>
                                 </DataGridTemplateColumn.CellTemplate>
                             </DataGridTemplateColumn>
-                            <DataGridCheckBoxColumn Header="呼出済" Binding="{Binding HadCalled, Mode=TwoWay}">
-                            </DataGridCheckBoxColumn>
+                            <DataGridTemplateColumn Header="呼出済">
+                                <DataGridTemplateColumn.CellTemplate>
+                                    <DataTemplate>
+                                        <CheckBox IsChecked="{Binding HadCalled, Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" />
+                                    </DataTemplate>
+                                </DataGridTemplateColumn.CellTemplate>
+                            </DataGridTemplateColumn>
                         </DataGrid.Columns>
                     </DataGrid>
                 </ScrollViewer>

YoyakuPlugin/SettingsView.xaml.cs

@@ -1,16 +1,9 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.Collections;
 using System.Windows;
 using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
 using System.Windows.Input;
 using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Shapes;
 
 namespace OpenrecYoyakuPlugin
 {
@@ -23,5 +16,111 @@ public SettingsView()
         {
             InitializeComponent();
         }
+
+        private bool IsTheMouseOnTargetRow(Visual target, GetDragDropPosition pos)
+        {
+            try
+            {
+                var posBounds = VisualTreeHelper.GetDescendantBounds(target);
+                var theMousePos = pos((IInputElement)target);
+                return posBounds.Contains(theMousePos);
+            }
+            catch (Exception)
+            {
+                return false;
+            }
+        }
+
+        private DataGridRow GetDataGridRowItem(int index)
+        {
+            if (RegisteredUserDataGrid.ItemContainerGenerator.Status != System.Windows.Controls.Primitives.GeneratorStatus.ContainersGenerated)
+                return null;
+
+            return RegisteredUserDataGrid.ItemContainerGenerator.ContainerFromIndex(index) as DataGridRow;
+        }
+
+        private int GetDataGridItemCurrentRowIndex(GetDragDropPosition pos)
+        {
+            int curIndex = -1;
+            for (int i = 0; i < RegisteredUserDataGrid.Items.Count; i++)
+            {
+                var item = GetDataGridRowItem(i);
+                if (IsTheMouseOnTargetRow(item, pos))
+                {
+                    curIndex = i;
+                    break;
+                }
+            }
+            return curIndex;
+        }
+        delegate Point GetDragDropPosition(IInputElement pos);
+        private int _prevRowIndex = -1;
+        bool _isClick = false;
+        private void DataGrid_Drop(object sender, DragEventArgs e)
+        {
+            if (_prevRowIndex < 0)
+                return;
+
+            int index = this.GetDataGridItemCurrentRowIndex(e.GetPosition);
+
+            if (index < 0)
+                return;
+
+            if (index == _prevRowIndex)
+                return;
+
+            var item = RegisteredUserDataGrid.ItemContainerGenerator.Items[_prevRowIndex];
+
+            if (RegisteredUserDataGrid.ItemsSource is IList collection)
+            {
+                //ItemsSourceのコレクションの要素を移動させる。
+                collection.RemoveAt(_prevRowIndex);
+                collection.Insert(index, item);
+            }
+        }
+
+        private void DataGrid_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+        {
+            _prevRowIndex = GetDataGridItemCurrentRowIndex(e.GetPosition);
+
+            if (_prevRowIndex < 0)
+                return;
+
+            RegisteredUserDataGrid.SelectedIndex = _prevRowIndex;
+
+            //var selected_positionInfo = PositionsGrid.Items[_prevRowIndex];
+
+            //if (selected_positionInfo == null)
+            //    return;
+
+            _isClick = true;
+        }
+
+        private void PositionsGrid_MouseMove(object sender, MouseEventArgs e)
+        {
+            if (_isClick)
+            {
+                var item = RegisteredUserDataGrid.Items[_prevRowIndex];
+
+                if (item == null)
+                    return;
+
+                var dragdropeffects = DragDropEffects.Move;
+
+                if (DragDrop.DoDragDrop(RegisteredUserDataGrid, item, dragdropeffects) != DragDropEffects.None)
+                {
+                    RegisteredUserDataGrid.SelectedItem = item;
+                    _isClick = false;
+                }
+            }
+        }
+
+        private void PositionsGrid_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
+        {
+            if (_isClick)
+            {
+                _isClick = false;
+            }
+        }
     }
 }