File: README.md

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File: README.md
Role: Documentation
Content type: text/markdown
Description: Documentation
Class: Jaxon for Yii
Yi plugin to call PHP from with AJAX
Author: By
Last change: Added processing callbacks to the request processing controller.
Updated class name in the README.
Updated class name in the README.
Date: 2 years ago
Size: 4,235 bytes
 

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Jaxon Library for Yii

This package integrates the Jaxon library into the Yii 2 framework.

Features

  • Automatically register Jaxon classes from a preset directory.
  • Read Jaxon options from a config file.

Installation

Add the following lines in the composer.json file, and run the composer update command.

"require": {
    "jaxon-php/jaxon-yii": "~2.0"
}

Declare the Jaxon module in the config/web.php file.

    'modules' => [
        'jaxon' => [
            'class' => 'Jaxon\Yii\Module',
        ],
    ],

Configuration

The Jaxon library settings are defined in the @app/config/jaxon.php file, and separated into two sections. The options in the lib section are those of the Jaxon core library, while the options in the app sections are those of the Yii application.

The following options can be defined in the app section of the config file.

| Name | Description | |------|---------------| | classes | An array of directory containing Jaxon application classes | | views | An array of directory containing Jaxon application views | | | | |

By default, the views array is empty. Views are rendered from the framework default location. There's a single entry in the classes array with the following values.

| Name | Default value | Description | |------|---------------|-------------| | directory | @app/jaxon/classes | The directory of the Jaxon classes | | namespace | \Jaxon\App | The namespace of the Jaxon classes | | separator | . | The separator in Jaxon class names | | protected | empty array | Prevent Jaxon from exporting some methods | | | | |

Usage

This is an example of a Yii controller using the Jaxon library.

namespace app\controllers;

use Yii;
use yii\web\Controller;

class DemoController extends Controller
{
    public function actionIndex()
    {
        // Set the layout
        $this->layout = 'demo';
        // Get the Jaxon module
        $jaxon = Yii::$app->getModule('jaxon');
        $jaxon->register();

        return $this->render('index', array(
            'jaxonCss' => $jaxon->css(),
            'jaxonJs' => $jaxon->js(),
            'jaxonScript' => $jaxon->script()
        ));
    }
}

Before it prints the page, the controller makes a call to $jaxon->register() to export the Jaxon classes. Then it calls the $jaxon->css(), $jaxon->js() and $jaxon->script() functions to get the CSS and javascript codes generated by Jaxon, which it inserts into the page.

The Jaxon classes

The Jaxon classes must inherit from \Jaxon\Sentry\Armada. By default, they are located in the @app/jaxon/classes dir of the Yii application, and the associated namespace is \Jaxon\App.

This is an example of a Jaxon class, defined in the @app/jaxon/classes/HelloWorld.php file.

namespace Jaxon\App;

class HelloWorld extends \Jaxon\Sentry\Armada
{
    public function sayHello()
    {
        $this->response->assign('div2', 'innerHTML', 'Hello World!');
        return $this->response;
    }
}

Check the jaxon-examples package for more examples.

Request processing

By default, the Jaxon request are handled by the controller in the src/Controllers/JaxonController.php file. The /jaxon route is defined in the src/Module/Module.php file, and linked to the JaxonController::actionIndex() method.

The request processing can be customized by extending the default controller and overloading the following method.

  • `public function initInstance($instance)`: called for each instanciated Jaxon class.
  • `public function beforeRequest($instance, $method, &$bEndRequest)`: called before processing the request.
  • `public function afterRequest($instance, $method)`: called after processing the request.

See [https://www.jaxon-php.org/docs/armada/bootstrap.html]() for more information about processing callbacks.

Contribute

  • Issue Tracker: github.com/jaxon-php/jaxon-yii/issues
  • Source Code: github.com/jaxon-php/jaxon-yii

License

The package is licensed under the BSD license.


For more information send a message to info at phpclasses dot org.