LPT instance DeepSee creation trigger add

Author: nikitaeverywhere

export/LightPivotTable-DeepSeePortlet.xml

@@ -11,7 +11,7 @@
 
 <Class name="DeepSee.LightPivotTable">
 <Super>%DeepSee.Component.Portlet.abstractPortlet</Super>
-<TimeChanged>63700,68026.762239</TimeChanged>
+<TimeChanged>63749,65155.748273</TimeChanged>
 <TimeCreated>63515,61322.546099</TimeCreated>
 
 <Parameter name="INCLUDEFILES">
@@ -151,6 +151,20 @@
 ]]></Implementation>
 </Method>
 
+<Method name="registerLPTOnCreateCallback">
+<Description>
+Call this method when widget is created to handle moment when pivot table will be created.
+If LPT has been created before, method fires given callback immidiately.</Description>
+<FormalSpec>callback</FormalSpec>
+<Language>javascript</Language>
+<ClientMethod>1</ClientMethod>
+<Implementation><![CDATA[
+	if (typeof callback !== "function") return;
+	if (this.LightPivotTable) callback(this.LightPivotTable);
+		else this._registeredLPTOnCreateCallback = callback;
+]]></Implementation>
+</Method>
+
 <Method name="InitLPT">
 <Language>javascript</Language>
 <ClientMethod>1</ClientMethod>
@@ -296,6 +310,7 @@
                 }
 
                 _.LightPivotTable = new LightPivotTable(setup);
+                if (this._registeredLPTOnCreateCallback) this._registeredLPTOnCreateCallback(_.LightPivotTable);
 
                 // hack to enable some change events
                 setTimeout(function () { _._INITIALIZED = true; }, 800);

package.json

@@ -1,7 +1,7 @@
 {
   "name": "LightPivotTable",
   "author": "ZitRo",
-  "version": "1.2.8",
+  "version": "1.2.9",
   "description": "A lightweight pivot table for MDX2JSON source for InterSystems Cache",
   "main": "test/testServer.js",
   "repository": {

readme.md

@@ -99,6 +99,10 @@ build/LightPivotTable.xml</code> into namespace you want. Make sure that MDX2JSO
 installed and configured. Also you may need to change the widget property "MDX2JSON source" to make
 it work with another MDX2JSON source.
 
+You can obtain LPT instance from widget by calling widgetInstance.registerLPTOnCreateCallback method.
+This method takes one argument - anonymous function, which will be executed when LPT instance is created.
+The anonymous function takes one argument - LPT instance.
+
 ## Build
 
 You need [NodeJS](http://nodejs.org/) platform to be installed in your system to perform any build