Merge pull request #418 from garstenauer/demo-insert-snippet

Demonstrate how to use text snippets
AvaloniaUI · Apr 27, 2024 · 88625c4 · 88625c4
2 parents 4207cbe + 60fc084
commit 88625c4
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Showing 2 changed files with 33 additions and 2 deletions.
diff --git a/src/AvaloniaEdit.Demo/MainWindow.xaml b/src/AvaloniaEdit.Demo/MainWindow.xaml
@@ -3,7 +3,7 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         MinWidth="0"
         MinHeight="300"
-        Width="950"
+        Width="1000"
         Title="AvaloniaEdit Demo"
         x:Class="AvaloniaEdit.Demo.MainWindow">
     <DockPanel>
@@ -24,6 +24,7 @@
             <Button Name="clearControlBtn" Content="Clear Buttons" VerticalAlignment="Stretch" VerticalContentAlignment="Center"/>
             <ComboBox Name="syntaxModeCombo" VerticalAlignment="Stretch" VerticalContentAlignment="Center"/>
             <Button Name="changeThemeBtn" Content="Change theme" VerticalAlignment="Stretch" VerticalContentAlignment="Center"/>
+            <Button Name="insertSnippetBtn" Content="Insert Snippet" VerticalAlignment="Stretch" VerticalContentAlignment="Center"/>
         </StackPanel>
         <StackPanel Name="StatusBar" Background="Purple" Height="25" DockPanel.Dock="Bottom" Orientation="Horizontal">
             <TextBlock Foreground="White" Name="StatusText" Text="Ready" Margin="5 0 0 0" VerticalAlignment="Center" FontSize="12"/>

diff --git a/src/AvaloniaEdit.Demo/MainWindow.xaml.cs b/src/AvaloniaEdit.Demo/MainWindow.xaml.cs
@@ -18,6 +18,9 @@
 using AvaloniaEdit.TextMate;
 using TextMateSharp.Grammars;
 using Avalonia.Diagnostics;
+using AvaloniaEdit.Snippets;
+using Snippet = AvaloniaEdit.Snippets.Snippet;
+
 namespace AvaloniaEdit.Demo
 {
     using Pair = KeyValuePair<int, Control>;
@@ -32,6 +35,7 @@ public class MainWindow : Window
         private Button _addControlButton;
         private Button _clearControlButton;
         private Button _changeThemeButton;
+        private Button _insertSnippetButton;
         private ComboBox _syntaxModeCombo;
         private TextBlock _statusTextBlock;
         private ElementGenerator _generator = new ElementGenerator();
@@ -40,7 +44,6 @@ public class MainWindow : Window
 
         public MainWindow()
         {
-
             InitializeComponent();
 
             _textEditor = this.FindControl<TextEditor>("Editor");
@@ -75,6 +78,9 @@ public MainWindow()
             _changeThemeButton = this.FindControl<Button>("changeThemeBtn");
             _changeThemeButton.Click += ChangeThemeButton_Click;
 
+            _insertSnippetButton = this.FindControl<Button>("insertSnippetBtn");
+            _insertSnippetButton.Click += InsertSnippetButton_Click;
+
             _textEditor.TextArea.TextView.ElementGenerators.Add(_generator);
 
             _registryOptions = new RegistryOptions(
@@ -400,5 +406,29 @@ int IComparer<Pair>.Compare(Pair x, Pair y)
                 return x.Key.CompareTo(y.Key);
             }
         }
+
+        private void InsertSnippetButton_Click(object sender, RoutedEventArgs e)
+        {
+            var className = new SnippetReplaceableTextElement { Text = "Name" };
+            var snippet = new Snippet
+            {
+                Elements =
+                {
+                    new SnippetTextElement { Text = "public class " },
+                    className,
+                    new SnippetTextElement
+                    {
+                        Text = "\n{\n    public "
+                    },
+                    new SnippetBoundElement { TargetElement = className },
+                    new SnippetTextElement { Text = "()\n    {\n        " },
+                    new SnippetCaretElement(),
+                    new SnippetTextElement { Text = "\n    }\n}" }
+                }
+            };
+
+            snippet.Insert(_textEditor.TextArea);
+            _textEditor.Focus();
+        }
     }
 }