refactor<Launcher>: rewrite title bar of Launcher

src/Resources/Icons.xaml

@@ -8,6 +8,7 @@
     <Geometry x:Key="Icon.Bookmark">M192 0l0 1024 320-320 320 320 0-1024z</Geometry>
     <Geometry x:Key="Icon.Help">M512 96C282.2 96 96 282.2 96 512s186.2 416 416 416 416-186.2 416-416S741.8 96 512 96z m-8.6 608c-23.6 0-42.8-18-42.8-41.2 0-23 19.2-41.2 42.8-41.2 23.8 0 43 18 43 41.2 0 23.2-19 41.2-43 41.2z m80.4-193.8c-34.8 20.2-46.6 35-46.6 60.6v15.8h-69.4l-0.6-17.2c-3.4-41.2 11-66.8 47.2-88 33.8-20.2 48-33 48-57.8s-24-43-53.8-43c-30.2 0-52 19.6-53.6 49.2H384c1.4-64.4 49-110 129.4-110 75 0 126.6 41.6 126.6 101.4 0 39.8-19.2 67.2-56.2 89z</Geometry>
     <Geometry x:Key="Icon.Detail">M888.832 0H135.168c-32.256 0-58.88 26.112-58.88 58.88v906.24c0 32.256 26.112 58.88 58.88 58.88h753.152c32.256 0 58.88-26.112 58.88-58.88v-906.24c0.512-32.768-26.112-58.88-58.368-58.88z m-164.864 176.64c30.72 0 55.808 25.088 55.808 55.808s-25.088 55.808-55.808 55.808-55.808-25.088-55.808-55.808 24.576-55.808 55.808-55.808z m-211.968 0c30.72 0 55.808 25.088 55.808 55.808S542.72 288.256 512 288.256s-55.808-25.088-55.808-55.808S481.28 176.64 512 176.64z m-211.968 0c30.72 0 55.808 25.088 55.808 55.808s-25.088 55.808-55.808 55.808-55.808-25.088-55.808-55.808 25.088-55.808 55.808-55.808z m208.896 606.208H285.184c-24.576 0-44.032-19.968-44.032-44.032 0-24.576 19.968-44.032 44.032-44.032h223.744c24.576 0 44.032 19.968 44.032 44.032 0 24.064-19.456 44.032-44.032 44.032z m229.888-211.968H285.184c-24.576 0-44.032-19.968-44.032-44.032 0-24.576 19.968-44.032 44.032-44.032h453.12c24.576 0 44.032 19.968 44.032 44.032 0.512 24.064-19.456 44.032-43.52 44.032z</Geometry>
+    <Geometry x:Key="Icon.NewTab">M490.667 85.333l42.667 0 0 853.333-42.667 0 0-853.333zM85.333 490.667l853.333 0 0 42.667-853.333 0 0-42.667z</Geometry>
     
     <Geometry x:Key="Icon.ScrollLeft">M753.613 996.727L269.38 511.505 754.602 27.272z</Geometry>
     <Geometry x:Key="Icon.ScrollRight">M270.387 27.273L754.62 512.495 269.398 996.728z</Geometry>

src/UI/Launcher.xaml

@@ -47,18 +47,42 @@
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition x:Name="openedTabsColumn" Width="*"/>
                     <ColumnDefinition Width="32"/>
-                    <ColumnDefinition Width="Auto"/>
+                    <ColumnDefinition Width="200"/>
                 </Grid.ColumnDefinitions>
 
                 <!-- Tabs -->
-                <ScrollViewer x:Name="openedTabsScroller" Grid.Column="0" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Disabled">
+                <ScrollViewer x:Name="openedTabsScroller" Grid.Column="0" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Disabled" CanContentScroll="True">
                     <TabControl x:Name="openedTabs" Padding="0" SnapsToDevicePixels="True" ItemsSource="{Binding ElementName=me, Path=Tabs}" SizeChanged="OpenedTabsSizeChanged">
                         <TabControl.Style>
                             <Style TargetType="{x:Type TabControl}">
                                 <Setter Property="Template">
                                     <Setter.Value>
                                         <ControlTemplate TargetType="{x:Type TabControl}">
-                                            <StackPanel Orientation="Horizontal" x:Name="HeaderPanel" Margin="6,4,0,0" IsItemsHost="True" SnapsToDevicePixels="True" KeyboardNavigation.TabIndex="1"/>
+                                            <StackPanel Orientation="Horizontal" Margin="6,4,4,0">
+                                                <StackPanel Orientation="Horizontal" IsItemsHost="True" SnapsToDevicePixels="True" KeyboardNavigation.TabIndex="1"/>
+                                                <Button Margin="4,0,0,0" Click="NewTab" ToolTip="NEW PAGE" Width="24" Height="24" WindowChrome.IsHitTestVisibleInChrome="True">
+                                                    <Button.Style>
+                                                        <Style TargetType="{x:Type Button}" BasedOn="{x:Null}">
+                                                            <Setter Property="Opacity" Value="1"/>
+                                                            <Setter Property="Template">
+                                                                <Setter.Value>
+                                                                    <ControlTemplate>
+                                                                        <Border x:Name="newTabBG" BorderThickness="0" Background="Transparent" CornerRadius="2">
+                                                                            <Path Width="14" Height="14" Style="{StaticResource Style.Icon}" Data="{StaticResource Icon.NewTab}" Fill="{StaticResource Brush.FG}"/>
+                                                                        </Border>
+
+                                                                        <ControlTemplate.Triggers>
+                                                                            <Trigger Property="IsMouseOver" Value="True">
+                                                                                <Setter TargetName="newTabBG" Property="Background" Value="{StaticResource Brush.BG4}"/>
+                                                                            </Trigger>
+                                                                        </ControlTemplate.Triggers>
+                                                                    </ControlTemplate>
+                                                                </Setter.Value>
+                                                            </Setter>
+                                                        </Style>
+                                                    </Button.Style>
+                                                </Button>
+                                            </StackPanel>                                            
                                         </ControlTemplate>
                                     </Setter.Value>
                                 </Setter>
@@ -67,12 +91,10 @@
 
                         <TabControl.Resources>
                             <converters:IntToRepoColor x:Key="IntToRepoColor"/>                            
+                        </TabControl.Resources>
 
-                            <DataTemplate DataType="{x:Type local:Launcher+ManagerTab}">
+                        <TabControl.ItemTemplate>
-                                <Path Width="14" Height="14" Margin="12,0" Fill="#FFF05133" Style="{StaticResource Style.Icon}" Data="{StaticResource Icon.Home}"/>
+                            <DataTemplate>
-                            </DataTemplate>
-
-                            <DataTemplate DataType="{x:Type local:Launcher+RepoTab}">
                                 <Grid x:Name="BG" MinWidth="80" Margin="8,0" Background="Transparent">
                                     <Grid.ColumnDefinitions>
                                         <ColumnDefinition Width="Auto"/>
@@ -96,7 +118,7 @@
                                         Content="{Binding Title}" 
                                         Foreground="{StaticResource Brush.FG2}" FontFamily="Consolas" FontWeight="Bold"/>
 
-                                    <Button Grid.Column="3" Click="CloseRepo" ToolTip="CLOSE">
+                                    <Button Grid.Column="3" Click="CloseTab" ToolTip="CLOSE">
                                         <Path
                                             Width="8" Height="8" 
                                             Fill="{StaticResource Brush.FG}"
@@ -109,10 +131,18 @@
                                     <DataTrigger Binding="{Binding IsActive}" Value="True">
                                         <Setter TargetName="Title" Property="Foreground" Value="{StaticResource Brush.FG}"/>
                                     </DataTrigger>
-                                    <DataTrigger Binding="{Binding Color}" Value="0">
+                                    <DataTrigger Binding="{Binding IsRepo}" Value="False">
-                                        <Setter TargetName="Icon" Property="Data" Value="{StaticResource Icon.Git}"/>
+                                        <Setter TargetName="Icon" Property="Data" Value="{StaticResource Icon.Home}"/>
                                         <Setter TargetName="Icon" Property="Fill" Value="{StaticResource Brush.FG}"/>
                                     </DataTrigger>
+                                    <MultiDataTrigger>
+                                        <MultiDataTrigger.Conditions>
+                                            <Condition Binding="{Binding IsRepo}" Value="True"/>
+                                            <Condition Binding="{Binding Color}" Value="0"/>
+                                        </MultiDataTrigger.Conditions>
+                                        <Setter TargetName="Icon" Property="Data" Value="{StaticResource Icon.Git}"/>
+                                        <Setter TargetName="Icon" Property="Fill" Value="{StaticResource Brush.FG}"/>
+                                    </MultiDataTrigger>
                                     <MultiDataTrigger>
                                         <MultiDataTrigger.Conditions>
                                             <Condition Binding="{Binding IsActive}" Value="False"/>
@@ -122,11 +152,11 @@
                                     </MultiDataTrigger>
                                 </DataTemplate.Triggers>
                             </DataTemplate>
-                        </TabControl.Resources>
+                        </TabControl.ItemTemplate>
 
                         <TabControl.ItemContainerStyle>
                             <Style TargetType="{x:Type TabItem}">
-                                <Setter Property="AllowDrop" Value="{Binding IsRepo}"/>
+                                <Setter Property="AllowDrop" Value="True"/>
                                 <Setter Property="IsSelected" Value="{Binding IsActive, Mode=TwoWay}"/>
                                 <Setter Property="Margin" Value="0"/>
                                 <Setter Property="Padding" Value="0"/>
@@ -136,13 +166,6 @@
                                             <Grid SnapsToDevicePixels="True" WindowChrome.IsHitTestVisibleInChrome="True" ToolTip="{Binding Tooltip}">
                                                 <Border x:Name="BG" Margin="-1,0" SnapsToDevicePixels="True" Background="Transparent" CornerRadius="4,4,0,0"/>
 
-                                                <Rectangle
-                                                    x:Name="Splitter"
-                                                    HorizontalAlignment="Left" 
-                                                    Width="1" Height="16" 
-                                                    Fill="{StaticResource Brush.FG2}"
-                                                    Visibility="Hidden"/>
-
                                                 <Path
                                                     x:Name="CornerLeft"
                                                     Width="6"
@@ -168,6 +191,13 @@
                                                     VerticalAlignment="Center"
                                                     ContentSource="Header"
                                                     RecognizesAccessKey="True"/>
+
+                                                <Rectangle
+                                                    x:Name="Splitter"
+                                                    HorizontalAlignment="Right" 
+                                                    Width="1" Height="16" 
+                                                    Fill="{StaticResource Brush.FG2}"
+                                                    Visibility="Hidden"/>
                                             </Grid>
                                             <ControlTemplate.Triggers>
                                                 <Trigger Property="IsSelected" Value="True">
@@ -196,7 +226,6 @@
                                                     <MultiTrigger.Conditions>
                                                         <Condition Property="IsSelected" Value="False"/>
                                                         <Condition Property="IsMouseOver" Value="False"/>
-                                                        <Condition Property="AllowDrop" Value="True"/>
                                                     </MultiTrigger.Conditions>
                                                     <Setter TargetName="Splitter" Property="Visibility" Value="Visible"/>
                                                 </MultiTrigger>

src/UI/Launcher.xaml.cs

@@ -22,14 +22,31 @@ namespace SourceGit.UI {
         /// </summary>
         public class Tab : INotifyPropertyChanged {
             private bool isActive = false;
+            private Git.Repository repo = null;
+            private object page = null;
 
-            public string Title { get; set; }
+            public Git.Repository Repo {
-            public string Tooltip { get; set; }
+                get { return repo; }
-            public Git.Repository Repo { get; set; }
+                set {
-            public object Page { get; set; }
+                    if (repo != value) {
+                        repo = value;
+                        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Repo"));
+                        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Title"));
+                        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Tooltip"));
+                        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Color"));
+                        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("IsRepo"));
+                    }
+                }
+            }
             
-            public bool IsRepo {
+            public object Page {
-                get { return Repo != null; }
+                get { return page; }
+                set {
+                    if (page != value) {
+                        page = value;
+                        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Page"));
+                    }
+                }
             }
 
             public int Color {
@@ -50,34 +67,24 @@ namespace SourceGit.UI {
                 }
             }
 
+            public string Title {
+                get {
+                    if (Repo == null) return "Repositories";
+                    return Repo.Parent == null ? Repo.Name : $"{Repo.Parent.Name} : {Repo.Name}";
+                }
+            }
+
+            public string Tooltip {
+                get { return Repo == null ? "Repository Manager" : Repo.Path; }
+            }
+
+            public bool IsRepo {
+                get { return Repo != null; }
+            }
+
             public event PropertyChangedEventHandler PropertyChanged;
         }
 
-        /// <summary>
-        ///     Manager tab
-        /// </summary>
-        public class ManagerTab : Tab {
-            public ManagerTab() {
-                Title = "HOME";
-                Tooltip = "Repositories Manager";
-                IsActive = true;
-                Page = new Manager();
-            }
-        }
-
-        /// <summary>
-        ///     Repository tab.
-        /// </summary>
-        public class RepoTab : Tab {
-            public RepoTab(Git.Repository repo, Dashboard page) {
-                Title = repo.Parent == null ? repo.Name : $"{repo.Parent.Name} : {repo.Name}";
-                Tooltip = repo.Path;
-                Repo = repo;
-                IsActive = false;
-                Page = page;
-            }
-        }
-
         /// <summary>
         ///     Alerts.
         /// </summary>
@@ -92,9 +99,8 @@ namespace SourceGit.UI {
         ///     Constructor
         /// </summary>
         public Launcher() {
-            Tabs.Add(new ManagerTab());
             InitializeComponent();
-            openedTabs.SelectedItem = Tabs[0];
+            NewTab(null, null);
             if (App.Setting.CheckUpdate) Task.Run(CheckUpdate);
         }
 
@@ -103,9 +109,8 @@ namespace SourceGit.UI {
         /// </summary>
         /// <param name="repo"></param>
         public void Open(Git.Repository repo) {
-            for (int i = 1; i < Tabs.Count; i++) {
+            foreach (var opened in Tabs) {
-                var opened = Tabs[i];
+                if (opened.IsRepo && opened.Repo.Path == repo.Path) {
-                if (opened.Repo.Path == repo.Path) {
                     openedTabs.SelectedItem = opened;
                     return;
                 }
@@ -113,11 +118,18 @@ namespace SourceGit.UI {
 
             repo.Open();
             var page = new Dashboard(repo);
-            var tab = new RepoTab(repo, page);
             repo.SetPopupManager(page.popupManager);
+
+            var selected = openedTabs.SelectedItem as Tab;
+            if (selected != null && !selected.IsRepo) {
+                selected.Repo = repo;
+                selected.Page = page;
+            } else {
+                var tab = new Tab() { Repo = repo, Page = page };
                 Tabs.Add(tab);
                 openedTabs.SelectedItem = tab;
             }
+        }
 
         /// <summary>
         ///     Checking for update.
@@ -148,25 +160,40 @@ namespace SourceGit.UI {
 
         #region LAYOUT_CONTENT
         /// <summary>
-        ///     Close repository.
+        ///     Add new tab.
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
-        private void CloseRepo(object sender, RoutedEventArgs e) {
+        private void NewTab(object sender, RoutedEventArgs e) {
+            var tab = new Tab() { Page = new Manager() };
+            Tabs.Add(tab);
+            openedTabs.SelectedItem = tab;
+        }
+
+        /// <summary>
+        ///     Close tab.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void CloseTab(object sender, RoutedEventArgs e) {
             var tab = (sender as Button).DataContext as Tab;
-            if (tab == null || tab.Repo == null) {
+            if (tab == null) return;
-                e.Handled = true;
+            
+            if (Tabs.Count == 1) {
+                App.Current.Shutdown();
                 return;
             }
 
-            Tabs.Remove(tab);
-
             tab.Page = null;
+            if (tab.IsRepo) {
                 tab.Repo.RemovePopup();
                 tab.Repo.Close();
                 tab.Repo = null;
             }
 
+            Tabs.Remove(tab);            
+        }
+
         /// <summary>
         ///     Context menu for tab items.
         /// </summary>
@@ -293,7 +320,7 @@ namespace SourceGit.UI {
             if (item == null) return;
 
             var tab = item.DataContext as Tab;
-            if (tab == null || tab.Repo == null) return;
+            if (tab == null) return;
 
             if (Mouse.LeftButton == MouseButtonState.Pressed) {
                 DragDrop.DoDragDrop(item, item, DragDropEffects.All);
@@ -308,16 +335,11 @@ namespace SourceGit.UI {
 
             var tabSrc = tabItemSrc.DataContext as Tab;
             var tabDst = tabItemDst.DataContext as Tab;
-            if (tabDst.Repo == null) {
-                Tabs.Remove(tabSrc);
-                Tabs.Insert(1, tabSrc);
-            } else {
             int dstIdx = Tabs.IndexOf(tabDst);
 
             Tabs.Remove(tabSrc);
             Tabs.Insert(dstIdx, tabSrc);
         }
-        }
         #endregion
 
         #region TAB_SCROLL