new project: add context menu to templates (delete and explore)

Author: unitycoder

UnityLauncherPro/NewProject.xaml

@@ -187,11 +187,21 @@
                     <DataTemplate>
                         <StackPanel Orientation="Vertical" Margin="3">
                             <Grid>
-                                <Image Source="{Binding PreviewImage}" 
-                           Margin="0,0,0,5" 
-                           ToolTip="{Binding Description}" 
-                           Stretch="Uniform"
-                           HorizontalAlignment="Stretch"/>
+                                 <Image Source="{Binding PreviewImage}" 
+                            Margin="0,0,0,5" 
+                            ToolTip="{Binding Description}" 
+                            Stretch="Uniform"
+                            HorizontalAlignment="Stretch">
+                                     <Image.ContextMenu>
+                                         <ContextMenu DataContext="{Binding PlacementTarget.DataContext, RelativeSource={RelativeSource Self}}">
+                                             <MenuItem Header="Delete template"
+                                                       IsEnabled="{Binding IsDownloaded}"
+                                                       Click="DeleteTemplate_Click" />
+                                             <MenuItem Header="Open in Explorer"
+                                                       Click="OpenTemplateInExplorer_Click" />
+                                         </ContextMenu>
+                                     </Image.ContextMenu>
+                                 </Image>
                                 <Button x:Name="btnDownloadTemplate" 
                                     ToolTip="Download Template" 
                                     Content="📥" 

UnityLauncherPro/NewProject.xaml.cs

@@ -1048,6 +1048,53 @@ private void listOnlineTemplates_SelectionChanged(object sender, SelectionChange
             UpdateCreateButtonsEnabledState();
         }
 
+        private void DeleteTemplate_Click(object sender, RoutedEventArgs e)
+        {
+            if (!(sender is MenuItem menuItem) || !(menuItem.DataContext is OnlineTemplateItem template)) return;
+            if (string.IsNullOrEmpty(template.TarBallURL)) return;
+
+            string templatesPath = Path.Combine(
+                Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+                "UnityHub", "Templates");
+            string fileName;
+
+            try
+            {
+                fileName = Path.GetFileName(new Uri(template.TarBallURL).LocalPath);
+            }
+            catch
+            {
+                return;
+            }
+
+            if (string.IsNullOrEmpty(fileName)) return;
+
+            string filePath = Path.Combine(templatesPath, fileName);
+            try
+            {
+                if (File.Exists(filePath)) File.Delete(filePath);
+                template.IsDownloaded = false;
+
+                if (listOnlineTemplates.SelectedItem == template)
+                {
+                    btnCreateNewProject.Content = "Download Template First >";
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(this, "Could not delete the template:\n" + ex.Message,
+                    "Delete template", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void OpenTemplateInExplorer_Click(object sender, RoutedEventArgs e)
+        {
+            string templatesPath = Path.Combine(
+                Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+                "UnityHub", "Templates");
+            Tools.LaunchExplorer(templatesPath);
+        }
+
         private async void btnDownloadTemplate_Click(object sender, RoutedEventArgs e)
         {
             var button = sender as Button;
@@ -1361,6 +1408,5 @@ private void txtTokenInput_PasswordChanged(object sender, RoutedEventArgs e)
             btnAuthorizeToken.IsEnabled = tokenSeemsOK;
         }
 
-
     } // class NewProject
 } // namespace UnityLauncherPro