[LON-CAPA-cvs] cvs: modules /damieng/graphical_editor/loncapa_daxe/web loncapa_daxe.dart

[raeburn]

raeburn		Sat Mar 23 23:28:23 2024 EDT

  Modified files:              
    /modules/damieng/graphical_editor/loncapa_daxe/web	
                                                      	loncapa_daxe.dart 
  Log:
  - Support "Save and Edit" and "Save and View" buttons in parent window.
  
  
Index: modules/damieng/graphical_editor/loncapa_daxe/web/loncapa_daxe.dart
diff -u modules/damieng/graphical_editor/loncapa_daxe/web/loncapa_daxe.dart:1.53 modules/damieng/graphical_editor/loncapa_daxe/web/loncapa_daxe.dart:1.54
--- modules/damieng/graphical_editor/loncapa_daxe/web/loncapa_daxe.dart:1.53	Wed Apr  5 20:26:12 2017
+++ modules/damieng/graphical_editor/loncapa_daxe/web/loncapa_daxe.dart	Sat Mar 23 23:28:23 2024
@@ -441,6 +441,29 @@
     print(msg);
     h.document.body.appendText(msg);
   });
+ 
+/**
+ * Supports buttons in parent window used to save a LON_CAPA problem file in iframe, 
+ * followed either by exiting Daxe editor (with display of the problem) or by
+ * continued editing in Daxe editor (with update of problem in preview panel).
+ */
+  String savelcdoc(String next) {
+    doc.save().then((_) {
+        if (next == 'exit') {
+            String msgtarget = h.window.location.protocol+'//'+h.window.location.hostname;
+            h.window.parent.postMessage(doc.filePath,msgtarget);
+        } else {
+            h.IFrameElement previewIFrame = h.document.getElementById('preview_iframe');
+            if (previewIFrame != null) {
+                h.FormElement form = h.document.getElementById('preview_form');
+                form.submit();
+            }
+        }
+    }, onError: (DaxeException ex) {
+        h.window.alert(Strings.get('save.error') + ': ' + ex.message);
+    });
+  }
+  js.context['savelcdoc'] = savelcdoc;
 }