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Roo.XComponent introduction

Note: This article was originally published at Planet PHP on 9 April 2012.
Planet PHP
Article originally from rooJSolutions blog
http://www.roojs.com/roojs1/docs/symbols/Roo.XComponent.htmlWith a nice longAEasterAholiday, I finally got a chance to hack on some of those todo items that I'd been putting off for quite a while. One of the core mini tasks was to enable mtrack information inside of my main email/accounting do everything platform.A
The Pman codebase, as I've mentioned before forms the core of pretty much all applications I work on now, mostly intranet or extranet focused web applications, that work like desktop applications. All of these applications are built up of various componenents, for example the Accouting module has Components like general ledger, managing invoices, timesheet and tracking editing and a pricing management component.A
The whole premise of the Pman project codebase on the Javascript side, is to register all the components sometime after the page is loaded, then after the user has logged in, or authentication has been checked, it will create and render all these components in sequence, appending them to the container panels.
In the case of the Accounting module, there is a default top level module called 'Pman', which the Accounting 'Tab' is added to, then all the sub components are added to that. This whole design was done a couple of years ago, and has been working very well, it's reliable and adding extra componenets, is just a mater creating a file then saying what the parent is and in what sequence it will appear.
Read on to find out how this all works...