escape brace

CreateGUIDVSPlugin/CopyGuidCommand.cs

@@ -168,13 +168,28 @@ private void MenuItemCallback(object sender, EventArgs e)
                 var configuration = this.package.GetConfiguration();
                 var formatString = configuration.FormatString;
 
-                var copyString = Template.Process(formatString);
+                try
+                {
+                    var copyString = Template.Process(formatString);
 #if DEBUG
-                this.ClearOutout();
-                this.ActivateOutout();
-                this.OutputString(copyString);
+                    this.ClearOutout();
+                    this.ActivateOutout();
+                    this.OutputString(copyString);
 #endif
-                Clipboard.SetDataObject(copyString);
+                    Clipboard.SetDataObject(copyString);
+                }
+                catch (ProcessTemplate.OrphanedLeftBraceException ex)
+                {
+                    var message = "found orphaned '{' at " + ex.Index.ToString() + " in template";
+                    var caption = "Error";
+                    MessageBox.Show(message, caption, MessageBoxButtons.OK);
+                }
+                catch (ProcessTemplate.OrphanedRightBraceException ex)
+                {
+                    var message = "found orphaned '}' at " + ex.Index.ToString() + " in template";
+                    var caption = "Error";
+                    MessageBox.Show(message, caption, MessageBoxButtons.OK);
+                }
             }
         }
     }

CreateGUIDVSPlugin/InsertGuidCommand.cs

@@ -168,16 +168,31 @@ private void MenuItemCallback(object sender, EventArgs e)
                 var configuration = this.package.GetConfiguration();
                 var formatString = configuration.FormatString;
 
-                var copyString = Template.Process(formatString);
-                var textView = this.package.GetTextView();
-                if (textView != null)
+                try
                 {
-                    if (textView.HasAggregateFocus)
+                    var copyString = Template.Process(formatString);
+                    var textView = this.package.GetTextView();
+                    if (textView != null)
                     {
-                        // Insert GUID
-                        textView.TextBuffer.Insert(textView.Caret.Position.BufferPosition, copyString);
+                        if (textView.HasAggregateFocus)
+                        {
+                            // Insert GUID
+                            textView.TextBuffer.Insert(textView.Caret.Position.BufferPosition, copyString);
+                        }
                     }
                 }
+                catch (ProcessTemplate.OrphanedLeftBraceException ex)
+                {
+                    var message = "found orphaned '{' at " + ex.Index.ToString() + " in template";
+                    var caption = "Error";
+                    MessageBox.Show(message, caption, MessageBoxButtons.OK);
+                }
+                catch (ProcessTemplate.OrphanedRightBraceException ex)
+                {
+                    var message = "found orphaned '}' at " + ex.Index.ToString() + " in template";
+                    var caption = "Error";
+                    MessageBox.Show(message, caption, MessageBoxButtons.OK);
+                }
             }
         }
     }

CreateGUIDVSPlugin/OptionsControl.cs

@@ -14,7 +14,8 @@ namespace CreateGUIDVSPlugin
     public partial class OptionsControl : UserControl
     {
         private OptionsPageSetting settingOptionsPage;
-
+        private int insertPos;
+
         public OptionsControl()
         {
             InitializeComponent();
@@ -24,6 +25,9 @@ public OptionsControl()
                 this.comboBoxVariable.Items.Add(variableName.Description);
             }
             this.comboBoxVariable.SelectedIndex = 0;
+
+            this.insertPos = 0;
+            this.textBoxTemplate.LostFocus += new EventHandler(textBoxTemplate_LostFocus);
         }
 
         /// <summary>
@@ -57,28 +61,108 @@ public void SaveSetting(Configuration configuration)
         /// <param name="configuration"></param>
         public void LoadSetting(Configuration configuration)
         {
-            this.textBoxTemplate.Text = configuration.FormatString;
+            SetText(configuration.FormatString);
         }
 
+        /// <summary>
+        /// handler clicking 'Insert' button
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
         private void buttonInsert_Click(object sender, EventArgs e)
         {
             var guidIndex = decimal.ToInt32(this.numericUpDownGUID.Value);
             var keyname = Template.Variables[this.comboBoxVariable.SelectedIndex];
             var variable = (guidIndex > 0 )? keyname.GetVariable(guidIndex) : keyname.GetVariable();
-            var textBox = this.textBoxTemplate;
-            textBox.Text = textBox.Text.Insert(textBox.SelectionStart, variable);
+            InsertText(variable);
         }
 
+        /// <summary>
+        /// handler clicking 'EOL' button
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
         private void buttonInsertLineEnding_Click(object sender, EventArgs e)
         {
-            var textBox = this.textBoxTemplate;
-            textBox.Text = textBox.Text.Insert(textBox.SelectionStart, Environment.NewLine);
+            InsertText(Environment.NewLine);
+        }
+
+        /// <summary>
+        /// handler clicking '{' button
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void buttonLeftBrace_Click(object sender, EventArgs e)
+        {
+            InsertText("{{");
         }
 
+        /// <summary>
+        /// handler clicking '}' button
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void buttonRightBrace_Click(object sender, EventArgs e)
+        {
+            InsertText("}}");
+        }
+
+        /// <summary>
+        /// hander clicking 'Default' button
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
         private void buttonSetDefault_Click(object sender, EventArgs e)
+        {
+            SetText(Template.DefaultFormatString);
+        }
+
+        /// <summary>
+        /// handler that the textbox loses focus
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void textBoxTemplate_LostFocus(object sender, EventArgs e)
+        {
+            TextBox textBox = (TextBox)sender;
+            this.insertPos = textBox.SelectionStart;
+        }
+
+        /// <summary>
+        /// insert a text to the textbox
+        /// </summary>
+        /// <param name="text"></param>
+        private void InsertText(string text)
+        {
+            var textBox = this.textBoxTemplate;
+            textBox.Text = textBox.Text.Insert(this.insertPos, text);
+            this.insertPos += text.Length;
+
+            ScrollToCarect();
+        }
+
+        /// <summary>
+        /// overwrite textbox content
+        /// </summary>
+        /// <param name="text"></param>
+        private void SetText(string text)
+        {
+            var textBox = this.textBoxTemplate;
+            textBox.Text = text;
+            this.insertPos = text.Length;
+
+            ScrollToCarect();
+        }
+
+        /// <summary>
+        /// function to scroll the textbox to the caret position
+        /// </summary>
+        private void ScrollToCarect()
         {
             var textBox = this.textBoxTemplate;
-            textBox.Text = Template.DefaultFormatString;
+            textBox.SelectionStart = this.insertPos;
+            textBox.Focus();
+            textBox.ScrollToCaret();
         }
     }
 }