From 0772ee7675ca0dc84f73db4b63e61a4ca5a00034 Mon Sep 17 00:00:00 2001
From: staccatomamba <lyndonj@gmx.de>
Date: Tue, 26 Sep 2017 12:54:03 +0200
Subject: [PATCH] -

---
 .../Controls/TextModuleTreeViewControl.xaml   |  65 +++++++++
 .../TextModuleTreeViewControl.xaml.cs         | 125 ++++++++++++++++++
 2 files changed, 190 insertions(+)
 create mode 100644 BeWo/View/Controls/TextModuleTreeViewControl.xaml
 create mode 100644 BeWo/View/Controls/TextModuleTreeViewControl.xaml.cs

diff --git a/BeWo/View/Controls/TextModuleTreeViewControl.xaml b/BeWo/View/Controls/TextModuleTreeViewControl.xaml
new file mode 100644
index 000000000..69be5dfef
--- /dev/null
+++ b/BeWo/View/Controls/TextModuleTreeViewControl.xaml
@@ -0,0 +1,65 @@
+<UserControl x:Class="BeWo.View.Controls.TextModuleTreeViewControl"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:dxg="http://schemas.devexpress.com/winfx/2008/xaml/grid"
+			 xmlns:dxgt="http://schemas.devexpress.com/winfx/2008/xaml/grid/themekeys"
+			 mc:Ignorable="d" 
+             d:DesignHeight="300" d:DesignWidth="300">
+    <Grid>
+	    <Grid.RowDefinitions>
+		    <RowDefinition />
+		    <RowDefinition />
+	    </Grid.RowDefinitions>
+	    <StackPanel Grid.Row="0" x:Name="ComboBox_TreeView_Imitation" Orientation="Horizontal" Margin="3">
+			<Button Content="Textbausteine" Click="OpenPopUpBtnClick" Name="OpenPopUpBtn" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" />
+		</StackPanel>
+		<Popup Grid.Row="1" x:Name="TreeViewPopup" AllowsTransparency="True" Width="400"
+		       IsOpen="False" StaysOpen="False" PopupAnimation="Slide">
+			<Border BorderBrush="Black" BorderThickness="2" Background="{StaticResource TextModuleBrush}">
+				<Grid>
+					<Grid.RowDefinitions>
+						<RowDefinition Height="Auto" />
+						<RowDefinition Height="*" />
+					</Grid.RowDefinitions>
+					<Grid.ColumnDefinitions>
+						<ColumnDefinition Width="*" />
+					</Grid.ColumnDefinitions>
+					<Grid Grid.Row="0">
+						<Grid.ColumnDefinitions>
+							<ColumnDefinition Width="Auto" />
+							<ColumnDefinition Width="*" />
+						</Grid.ColumnDefinitions>
+						<Label x:Name="SearchFieldLabel" Grid.Column="0" Content="Suche" Foreground="White" VerticalAlignment="Center" HorizontalAlignment="Left" />
+						<TextBox x:Name="cbtv_search" Grid.Column="1" Margin="3" Height="23" Template="{StaticResource SearchTextBoxTemplate}" HorizontalAlignment="Stretch" TextChanged="SearchTextBox_OnTextChanged" />
+					</Grid>
+					<dxg:TreeListControl Name="TreeListControl" Grid.Column="0" Grid.Row="1" ItemsSource="{Binding Path=FilteredList, UpdateSourceTrigger=PropertyChanged}">
+						<dxg:TreeListColumn FieldName="Name">
+							<dxg:TreeListColumn.CellStyle>
+								<Style TargetType="dxg:LightweightCellEditor" BasedOn="{StaticResource {dxgt:GridRowThemeKey ResourceKey=LightweightCellStyle}}">
+									<Style.Triggers>
+										<Trigger Property="IsMouseOver" Value="True">
+											<Setter Property="Background" Value="#B1D6F0" />
+										</Trigger>
+									</Style.Triggers>
+									<Setter Property="ToolTipService.ToolTip"  Value="{Binding Path=RowData.Row.Text}" />
+								</Style>
+							</dxg:TreeListColumn.CellStyle>
+							<dxg:TreeListColumn.DisplayTemplate>
+								<ControlTemplate>
+									<TextBlock Text="{Binding Path=DataContext.RowData.Row.Name, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" 
+											   FontWeight="{Binding Path=DataContext.RowData.Row.FontWeight, RelativeSource={RelativeSource TemplatedParent}}"
+											   VerticalAlignment="Center" Margin="3,0,0,0" PreviewMouseLeftButtonDown="TreeListControl_OnPreviewMouseLeftButtonDown" />
+								</ControlTemplate>
+							</dxg:TreeListColumn.DisplayTemplate>
+						</dxg:TreeListColumn>
+						<dxg:TreeListControl.View>
+							<dxg:TreeListView Name="TreeListView" AutoWidth="True" KeyFieldName="KeyField" ParentFieldName="ParentField" AllowEditing="False" />
+						</dxg:TreeListControl.View>
+					</dxg:TreeListControl>
+				</Grid>
+			</Border>
+		</Popup>
+    </Grid>
+</UserControl>
diff --git a/BeWo/View/Controls/TextModuleTreeViewControl.xaml.cs b/BeWo/View/Controls/TextModuleTreeViewControl.xaml.cs
new file mode 100644
index 000000000..e653d4ab8
--- /dev/null
+++ b/BeWo/View/Controls/TextModuleTreeViewControl.xaml.cs
@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
+using System.Windows.Input;
+
+using BeWo.Annotations;
+using BeWo.ViewModel;
+
+using BS.Shared.Core;
+using BS.Shared.Extensions;
+
+
+namespace BeWo.View.Controls
+{
+	public partial class TextModuleTreeViewControl : INotifyPropertyChanged
+	{
+		public event EventHandler<EventArgs<TextModuleVM>> TextModuleSelected;
+
+		public TextModuleTreeViewControl()
+		{
+			InitializeComponent();
+			DataContext = this;
+		}
+
+		public long? ServiceCategoryOid { get; set; }
+
+		private List<TextModuleVM> allTextModules = new List<TextModuleVM>();
+
+		public BindingList<TextModuleVM> FilteredList { get; set; }
+
+		private void OpenPopUpBtnClick(object sender, RoutedEventArgs e)
+		{
+			VMFactory.CreateTextModuleListVMAsync(
+				textModules => this.Dispatch(delegate
+				{
+					TreeViewPopup.Placement = PlacementMode.RelativePoint;
+					TreeViewPopup.HorizontalOffset = 0;
+					TreeViewPopup.IsOpen = true;
+
+					allTextModules = textModules.VMList.ToList();
+
+					if(ServiceCategoryOid != null)
+					{
+						FilteredList = new BindingList<TextModuleVM>();
+
+						var preFilteredTextModules = textModules.VMList.Where(w => w.ServiceCategory != null && w.ServiceCategory.ServiceCategoryOid == ServiceCategoryOid || w.ServiceCategory == null && !w.IsParent).ToList();
+
+						FilteredList.AddRange(preFilteredTextModules);
+						SearchTextModulesRecursively(preFilteredTextModules);
+					}
+					else
+					{
+						FilteredList = new BindingList<TextModuleVM>(textModules.VMList);
+					}
+					
+					allTextModules = FilteredList.ToList();
+					OnPropertyChanged(nameof(FilteredList));
+				}));
+		}
+
+		private void TreeListControl_OnPreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+		{
+			var selectedTextModule = (TextModuleVM) TreeListControl.SelectedItem;
+
+			if(selectedTextModule.IsParent)
+			{
+				return;
+			}
+
+			TreeViewPopup.IsOpen = false;
+
+			TextModuleSelected?.Invoke(this, new EventArgs<TextModuleVM>(selectedTextModule));
+		}
+
+		private void SearchTextBox_OnTextChanged(object sender, TextChangedEventArgs e)
+		{
+			var searchText = ((TextBox) sender).Text.Trim();
+			FilteredList.Clear();
+
+			if(searchText.IsNullOrEmpty())
+			{
+				FilteredList = new BindingList<TextModuleVM>(allTextModules.ToList());
+			}
+			else
+			{
+				var matchingChildren = allTextModules.Where(w => w.Name.Contains(searchText) || w.Text != null && w.Text.Contains(searchText)).ToList();
+
+				FilteredList.AddRange(matchingChildren);
+				SearchTextModulesRecursively(matchingChildren);
+			}
+
+			OnPropertyChanged(nameof(FilteredList));
+			TreeListControl.RefreshData();
+		}
+
+		private void SearchTextModulesRecursively(IReadOnlyCollection<TextModuleVM> pChildren)
+		{
+			if(pChildren.Count == 0)
+			{
+				return;
+			}
+
+			foreach(var child in pChildren)
+			{
+				var parents = allTextModules.Where(w => Equals(child.Parent, w) && !FilteredList.Contains(w)).ToList();
+
+				FilteredList.AddRange(parents);
+				SearchTextModulesRecursively(parents);
+			}
+		}
+
+		public event PropertyChangedEventHandler PropertyChanged;
+
+		[NotifyPropertyChangedInvocator]
+		protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
+		{
+			PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+		}
+	}
+}