SAK-32725 - Listen for LTI tool page refresh requests (sakaiproject#4641

)
rifqioe · Jul 27, 2017 · 8d7f6a9 · 8d7f6a9
1 parent 8adbfaf
commit 8d7f6a9
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Showing 3 changed files with 17 additions and 3 deletions.
diff --git a/basiclti/basiclti-docs/resources/docs/sakai-api-test/resize.htm b/basiclti/basiclti-docs/resources/docs/sakai-api-test/resize.htm
@@ -22,6 +22,14 @@ <h1>Testing lti.frameResize</h1>
 		height: num
 	}), "*");
 }
+function ref() {
+	console.log("Refresh");
+	parent.postMessage(JSON.stringify({
+		subject: "lti.pageRefresh"
+	}), "*");
+}
 </script>
 <button onclick="zap();return false;" value="click">Press to Send Random Height</button><br/>
+<button onclick="ref();return false;" value="click">Refresh</button><br/>
+
 </body>
diff --git a/basiclti/basiclti-portlet/src/java/org/sakaiproject/portlets/IMSBLTIPortlet.java b/basiclti/basiclti-portlet/src/java/org/sakaiproject/portlets/IMSBLTIPortlet.java
@@ -282,11 +282,14 @@ public void doView(RenderRequest request, RenderResponse response)
 					text.append("    if ( message.subject == 'lti.frameResize' ) {\n");
 					text.append("      var height = message.height;\n");
 					text.append("      document.getElementById(idval).height = height;\n");
-					text.append("      console.log('Reveived lti.frameResize height='+height);\n");
+					text.append("      window.console && console.log('Received lti.frameResize height='+height);\n");
+					text.append("    }\n");
+					text.append("    else if ( message.subject == 'lti.pageRefresh' ) {\n");
+					text.append("      location.reload(true);\n");
 					text.append("    }\n");
 					text.append("  } catch (error) {\n");
-					text.append("   console.log('lti.frameResize of '+idval+' failed height='+height);\n");
-					text.append("   console.log(e.data);\n");
+					text.append("   window.console && console.log('lti.frameResize of '+idval+' failed height='+height);\n");
+					text.append("   window.console && console.log(e.data);\n");
 					text.append("  }\n");
 					text.append("});\n");
 					text.append("</script>\n");

diff --git a/lessonbuilder/tool/src/webapp/templates/ShowItem.html b/lessonbuilder/tool/src/webapp/templates/ShowItem.html
@@ -198,6 +198,9 @@
 					document.getElementById(idval).height = height;
 					console.log('Reveived lti.frameResize height='+height);
 				}
+				else if ( message.subject == 'lti.pageRefresh' ) {
+                                        location.reload(true);
+				}
 			} catch (error) {
 				console.log('lti.frameResize of '+idval+' failed height='+height);
 				console.log(e.data);