The importance of manually loading extensions and utilizing Ajax effectively for renderPartial

Within my yii application, I have implemented Tabs and am loading content via ajax using renderPartial(). To prevent redundant script loading, I have set processOutput to false. As a result, I aim to manually load all necessary scripts once on the index page.

Moreover, I have incorporated several extensions on the page, necessitating the manual loading of their respective js/css files. This raises the following inquiries:

  • How can I identify which extensions will be utilized on the page and load their associated js/css files?
  • Another issue arises when dealing with extensions like bootstrap, as they contain an assets folder comprising numerous javascript files. How can I import all such files effectively?

I am also interested in learning about the optimal methods for loading identical content (GridView) via Ajax, without encountering duplicate requests when utilizing Filters/Delete buttons.

javascriptajaxyii

Answer №1

How can I determine which extensions will be utilized on the page and load their js/css files?

In order to utilize extensions, you must load their corresponding javascript and CSS files prior to using them. This process typically requires manual intervention. Use a method such as require('script.js') before accessing any functions associated with the extension.

The require() function should verify whether the script has already been loaded; if not, it should initiate an ajax request to fetch it.

Utilizing a library like RequireJS can streamline this process for you.

Another query arises when dealing with extensions that have multiple javascript files within an assets folder - for instance, the Bootstrap extension. How can all these files be imported effectively?

Each javascript file from the asset's folder must be imported individually, necessitating your application to be aware of each specific file. Consider creating a configuration file, such as content.json, which lists all necessary resources related to Bootstrap. Your function can then retrieve this configuration file and subsequently fetch all required resources accordingly.

Additionally, what are the recommended practices for loading the same content (such as a GridView) via Ajax without triggering redundant requests when applying filters or deleting items?

To avoid duplicate ajax requests when interacting with the same content repeatedly, implement a wrapper function around the ajax() method that incorporates caching mechanisms to store previous results.

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