Skip to main content

EXTJS - How to observe all the events on a view

How to observe all the events on a view


Here's how to observe all of the events on a view:
var view = Ext.create('My.view.SomeView');

Ext.util.Observable.capture(view, function(){
  console.log(arguments);
});
This will show output in the console window whenever an event happens to the view, such as render. A useful debugging tool.

Comments

Post a Comment

Popular posts from this blog

ExtJS 4 with Spring MVC Example

Introduction When developing a brand new application for the company I work for, one of the first thing I implement is "authentication". Not only is this process generally a prerequisite to access many other functions but it is also very simple and covers every layer of an application, from GUI to the database. So instead of another minimalistic "Hello World" tutorial, here is a "Login/Password" example, using 2 famous technologies : Spring MVC and ExtJS 4.   Prerequisites Because this tutorial is quite long, I won't go into the details of each technology I used but I will mainly focus on how ExtJS and Spring can be nicely used together. So here are the things you should know before continuing : Spring framework (good knowledge) Spring MVC (basic knowledge. See  Spring MVC Official Documentation  for details) ExtJS "application architecture" (see  Sencha Docs  for details) Eclipse IDE + Tomcat 6 (or any other web container) You a...
17 comments
Read more

ExtJS - Grid panel features

What can we do with ExtJS GridPanel? I have to develop a lot of applications in my web app and I see that grid component of ExtJS may fit in. However, I am not aware of what all things I can do with the - off the shelf available framework pieces - available plug-ins in the marketplace and - custom development through my own developers This is a typical question that we hear from the business users who wants to design an application by keeping the framework’s capability in perspective. In this article I have tried to put the list of stuff you can do with grid and hopefully that shall enable you to take advantage of the beauty of ExtJS. Pre-requisites This article assumes that you are familiar with basics of ExtJS What are the available options? In this section I will be taking you through some of the commonly seen usage of ExtJS grid panel. While covering all the capabilities of grid may not be possible, I am sure it will be helpful for the business users who want to...
7 comments
Read more

How to handle LoadMask effectively?

How to use Ext.LoadMask component for a stateless web application? I found an issue where loadMask z-index DIV element conflicted with modal window object z-index DIV element. loadmask component created for different target views for each screen and hidden but not destroyed. I spend good time to investigate issue in my application code. Version: EXT 4.2.0 Chrome - Browser Issues: var myMask = new Ext.LoadMask(mypanel , {msg:"Loading..."}); myMask.hide(); // Why myMask.hide(); simply destroy LoadMask instance, here DOM still exist in browser with style "visibility: hidden" Like this for more DIV element with this style are added to DOM. To work on my fix, I still see 'x-mask' element exist in dom even when my target view is destroyed. I want to understand difference between Ext.getBody().mask() /unmask() and var maskobj = new Ext.LoadMask({ msg: message, hideMode: 'display', target: targetComponent } ); maskobj.show(); Example:...
10 comments
Read more