Add Checkbox for per monitor selection

src/modules/Projects/ProjectsEditor/Models/AppListDataTemplateSelector.cs

@@ -18,7 +18,7 @@ namespace ProjectsEditor.Models
 
         public override System.Windows.DataTemplate SelectTemplate(object item, System.Windows.DependencyObject container)
         {
-            if (item is string)
+            if (item is MonitorHeaderRow)
             {
                 return HeaderTemplate;
             }

src/modules/Projects/ProjectsEditor/Models/MonitorHeaderRow.cs

@@ -0,0 +1,19 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectsEditor.Models
+{
+    internal sealed class MonitorHeaderRow
+    {
+        public string MonitorName { get; set; }
+
+        public string SelectString { get; set; }
+    }
+}

src/modules/Projects/ProjectsEditor/Models/Project.cs

@@ -151,7 +151,8 @@ namespace ProjectsEditor.Models
                 ILookup<MonitorSetup, Application> apps = Applications.Where(x => !x.Minimized).ToLookup(x => x.MonitorSetup);
                 foreach (var appItem in apps.OrderBy(x => x.Key.MonitorDpiUnawareBounds.Left).ThenBy(x => x.Key.MonitorDpiUnawareBounds.Top))
                 {
-                    applicationsListed.Add(appItem.Key.MonitorInfo);
+                    MonitorHeaderRow mhr = new MonitorHeaderRow { MonitorName = appItem.Key.MonitorInfo, SelectString = Properties.Resources.SelectAllAppsOnMonitor + " " + appItem.Key.MonitorInfo };
+                    applicationsListed.Add(mhr);
                     foreach (Application app in appItem)
                     {
                         applicationsListed.Add(app);
@@ -161,7 +162,8 @@ namespace ProjectsEditor.Models
                 var minimizedApps = Applications.Where(x => x.Minimized);
                 if (minimizedApps.Any())
                 {
-                    applicationsListed.Add("Minimized Apps");
+                    MonitorHeaderRow mhr = new MonitorHeaderRow { MonitorName = Properties.Resources.Minimized_Apps, SelectString = Properties.Resources.SelectAllMinimizedApps };
+                    applicationsListed.Add(mhr);
                     foreach (Application app in minimizedApps)
                     {
                         applicationsListed.Add(app);

src/modules/Projects/ProjectsEditor/ProjectEditorPage.xaml

@@ -13,14 +13,30 @@
         <BooleanToVisibilityConverter x:Key="BoolToVis" />
 
         <DataTemplate x:Key="headerTemplate">
-            <Border>
+            <Border
+                HorizontalAlignment="Stretch">
+                <DockPanel
+                    HorizontalAlignment="Stretch"
+                    >
                     <TextBlock
-                    Text="{Binding .}"
+                        DockPanel.Dock="Left"
+                        Text="{Binding MonitorName}"
                         Foreground="{DynamicResource PrimaryForegroundBrush}"
                         FontSize="14"
                         FontWeight="Normal"
-                    Margin="0,20,20,5"
+                        Margin="0,0,20,0"
                         VerticalAlignment="Center"/>
+                    <CheckBox
+                        DockPanel.Dock="Right"
+                        HorizontalAlignment="Right"
+                        x:Name="SelectAllOnMonitorCheckBox"
+                        Tag="{Binding MonitorName}"
+                        Margin="10,0,0,0"
+                        FontSize="14"
+                        Content="{Binding SelectString}"
+                        Checked="SelectAllOnMonitorCheckBox_Modified"
+                        Unchecked="SelectAllOnMonitorCheckBox_Modified"/>
+                </DockPanel>
             </Border>
         </DataTemplate>
         <DataTemplate x:Key="appTemplate">

src/modules/Projects/ProjectsEditor/ProjectEditorPage.xaml.cs

@@ -105,5 +105,14 @@ namespace ProjectsEditor
             bool newValue = SelectAllCheckBox.IsChecked == true;
             _mainViewModel.UpdateIsSelectedStates(project, newValue);
         }
+
+        private void SelectAllOnMonitorCheckBox_Modified(object sender, RoutedEventArgs e)
+        {
+            Project project = this.DataContext as Project;
+            CheckBox checkBox = (CheckBox)sender;
+            string monitorInfo = (string)checkBox.Tag;
+            bool newValue = checkBox.IsChecked == true;
+            _mainViewModel.UpdateIsSelectedStates(project, monitorInfo, newValue);
+        }
     }
 }

src/modules/Projects/ProjectsEditor/Properties/Resources.Designer.cs

@@ -258,6 +258,15 @@ namespace ProjectsEditor.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Minimized Apps.
+        /// </summary>
+        public static string Minimized_Apps {
+            get {
+                return ResourceManager.GetString("Minimized_Apps", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to minutes ago.
         /// </summary>
@@ -447,6 +456,24 @@ namespace ProjectsEditor.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Select All Apps on.
+        /// </summary>
+        public static string SelectAllAppsOnMonitor {
+            get {
+                return ResourceManager.GetString("SelectAllAppsOnMonitor", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Select All Minimized Apps.
+        /// </summary>
+        public static string SelectAllMinimizedApps {
+            get {
+                return ResourceManager.GetString("SelectAllMinimizedApps", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Select All Apps in Project.
         /// </summary>

src/modules/Projects/ProjectsEditor/Properties/Resources.resx

@@ -183,6 +183,9 @@
   <data name="MainTitle" xml:space="preserve">
     <value>Projects demo app</value>
   </data>
+  <data name="Minimized_Apps" xml:space="preserve">
+    <value>Minimized Apps</value>
+  </data>
   <data name="MinutesAgo" xml:space="preserve">
     <value>minutes ago</value>
   </data>
@@ -246,6 +249,12 @@
   <data name="SecondsAgo" xml:space="preserve">
     <value>seconds ago</value>
   </data>
+  <data name="SelectAllAppsOnMonitor" xml:space="preserve">
+    <value>Select All Apps on</value>
+  </data>
+  <data name="SelectAllMinimizedApps" xml:space="preserve">
+    <value>Select All Minimized Apps</value>
+  </data>
   <data name="SelectedAllInProject" xml:space="preserve">
     <value>Select All Apps in Project</value>
   </data>

src/modules/Projects/ProjectsEditor/ViewModels/MainViewModel.cs

@@ -367,5 +367,26 @@ namespace ProjectsEditor.ViewModels
             project.OnPropertyChanged(new PropertyChangedEventArgs(nameof(Project.IsAnySelected)));
             project.OnPropertyChanged(new PropertyChangedEventArgs(nameof(Project.CanBeSaved)));
         }
+
+        internal void UpdateIsSelectedStates(Project project, string monitorInfo, bool newValue)
+        {
+            IEnumerable<Application> apps;
+            if (monitorInfo == Properties.Resources.Minimized_Apps)
+            {
+                apps = project.Applications.Where(app => app.Minimized);
+            }
+            else
+            {
+                Monitor monitor = project.Monitors.Where(x => x.MonitorInfo == monitorInfo).Single();
+                apps = project.Applications.Where(app => !app.Minimized && app.MonitorNumber == monitor.MonitorNumber);
+            }
+
+            foreach (Application app in apps)
+            {
+                app.IsSelected = newValue;
+            }
+
+            project.OnPropertyChanged(new PropertyChangedEventArgs(nameof(Project.IsAnySelected)));
+        }
     }
 }