extend create from template API: pass DataContext to getAttributesDefaults(), add callback after element was created

platform/lang-impl/src/com/intellij/ide/fileTemplates/actions/CreateFromTemplateActionBase.java

@@ -55,8 +55,11 @@ public abstract class CreateFromTemplateActionBase extends AnAction {
       }
       else {
         FileTemplateManager.getInstance().addRecentName(selectedTemplate.getName());
-        PsiElement createdElement = new CreateFromTemplateDialog(project, dir, selectedTemplate, getAttributesDefaults()).create();
+        final AttributesDefaults defaults = getAttributesDefaults(dataContext);
+        final CreateFromTemplateDialog dialog = new CreateFromTemplateDialog(project, dir, selectedTemplate, defaults);
+        PsiElement createdElement = dialog.create();
         if (createdElement != null) {
+          elementCreated(dialog, createdElement);
           view.selectElement(createdElement);
         }
       }
@@ -74,7 +77,10 @@ public abstract class CreateFromTemplateActionBase extends AnAction {
   protected abstract FileTemplate getTemplate(final Project project, final PsiDirectory dir);
 
   @Nullable
-  public AttributesDefaults getAttributesDefaults() {
+  public AttributesDefaults getAttributesDefaults(DataContext dataContext) {
     return null;
   }
+
+  protected void elementCreated(CreateFromTemplateDialog dialog, PsiElement createdElement) {
+  }
 }

platform/lang-impl/src/com/intellij/ide/fileTemplates/ui/CreateFromTemplateDialog.java

@@ -125,6 +125,10 @@ public class CreateFromTemplateDialog extends DialogWrapper {
     }
   }
 
+  public Properties getEnteredProperties() {
+    return myAttrPanel.getProperties(new Properties());
+  }
+
   private void showErrorDialog(final Exception e) {
     Messages.showMessageDialog(myProject, filterMessage(e.getMessage()), getErrorMessage(), Messages.getErrorIcon());
   }