added onRender callback

Author: taitems

index.html

@@ -78,6 +78,9 @@ <h2>
 	},
 	onAddClick: function(dt, rowId) {
 		alert("Empty space clicked - add an item!");
+	},
+	onRender: function() {
+		console.log("chart rendered");
 	}
 });
 </pre>
@@ -213,6 +216,14 @@ <h2>
 				        <td>
 				            a JS Function that gets called when clicking on a Gantt-Item. <br />The parameter passed to the function is the DateTime in ms for the clicked Cell, and the ID if the source object (row)</td>
 				    </tr>
+				    <tr>
+				        <td>
+				            <code>onRender</code></td>
+				        <td>
+				            <code>function () { return; }</code></td>
+				        <td>
+				            a JS Function called whenever the chart is (re)rendered</td>
+				    </tr>
                     <tr>
 						<td>
 							<code>useCookie</code></td>
@@ -519,6 +530,11 @@ <h2>
 				},
 				onAddClick: function(dt, rowId) {
 					alert("Empty space clicked - add an item!");
+				},
+				onRender: function() {
+					if (window.console && typeof console.log === "function") {
+						console.log("chart rendered");
+					}
 				}
 			});
 

js/jquery.fn.gantt.js

@@ -24,6 +24,7 @@
             waitText: "Please wait...",
             onItemClick: function (data) { return; },
             onAddClick: function (data) { return; },
+            onRender: function() { return; },
             scrollToToday: true
         };
 
@@ -248,6 +249,7 @@
 
                 $dataPanel.css({ height: $leftPanel.height() });
                 core.waitToggle(element, false);
+                settings.onRender();
             },
             leftPanel: function (element) {
                 /* Left panel */