IDEA-51314 Notification on successful git tag creation. GitTagDialog: focus on tag name.

plugins/git4idea/src/git4idea/ui/GitTagDialog.java

@@ -140,6 +140,11 @@ public class GitTagDialog extends DialogWrapper {
     validateFields();
   }
 
+  @Override
+  public JComponent getPreferredFocusedComponent() {
+    return myTagNameTextField;
+  }
+
   /**
    * Perform tagging according to selected options
    *
@@ -189,6 +194,7 @@ public class GitTagDialog extends DialogWrapper {
       }
       try {
         GitHandlerUtil.doSynchronously(h, GitBundle.getString("tagging.title"), h.printableCommandLine());
+        GitUIUtil.notifySuccess(myProject, myTagNameTextField.getText(), "Created tag "  + myTagNameTextField.getText() + " successfully.");
       }
       finally {
         exceptions.addAll(h.errors());

plugins/git4idea/src/git4idea/ui/GitUIUtil.java

@@ -54,6 +54,13 @@ public class GitUIUtil {
    */
   private GitUIUtil() { }
 
+  /**
+   * Displays a "success"-notification.
+   */
+  public static void notifySuccess(Project project, String title, String description) {
+    Notifications.Bus.notify(new Notification(GitVcs.NOTIFICATION_GROUP_ID, title, description, NotificationType.INFORMATION), project);
+  }
+
   /**
    * @return a list cell renderer for virtual files (it renders presentable URL)
    * @param listCellRenderer