Post by charlesso » Tue Nov 06, 2012 5:59 pm

Is it possible for controller A to call another controller B, let B prepares the data, and pass control and data back to A?

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Post by sv2109 » Tue Nov 06, 2012 9:11 pm

Try method getChild($route, $args) from /system/engine/controller.php

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Post by charlesso » Tue Nov 06, 2012 9:18 pm

sv2109 wrote:Try method getChild($route, $args) from /system/engine/controller.php
Great! Thanks sv2109.

Ummm. Now i need to search for documentation n maybe sample code....

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Post by sv2109 » Wed Nov 07, 2012 2:30 am

Try this:

Code: Select all

class ControllerModuleModule1 extends Controller {
  protected function index() {
    $result = $this->getChild('module/module2');
  }
}

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Post by Qphoria » Wed Nov 07, 2012 10:41 am

Look at the catalog/controller/common/home.php file
You'll note that it has no real content. But it calls its children, which are modules... but modules are just mini-controllers that don't call the output dispatch directly, because the main controllers do it.

But you can pretty much load any module and place it. The module name is its exported variable name "latest" module is called by "$latest", etc

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Post by charlesso » Wed Nov 07, 2012 3:14 pm

Qphoria wrote:Look at the catalog/controller/common/home.php file
You'll note that it has no real content. But it calls its children, which are modules... but modules are just mini-controllers that don't call the output dispatch directly, because the main controllers do it.

But you can pretty much load any module and place it. The module name is its exported variable name "latest" module is called by "$latest", etc

Thanks Q.

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Post by commanddotcom » Thu Jun 27, 2013 4:51 am

sv2109, came up with a nice solution.

But can anyone explane why ob_start() ignores?

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ob_start();
   $this->getChild('checkout/cart/add'); // for some reason we have echo here
$result = ob_get_clean(); 
// $result = NULL	

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Post by aldoanizio » Sat Jun 29, 2013 2:01 am

sv2109 wrote:Try method getChild($route, $args) from /system/engine/controller.php
Hey Man. Don't Take Me Wrong, But...I Love You :laugh:

Saved my life. Thanks for the Tip.

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Post by charlesso » Fri May 29, 2015 8:49 am

Qphoria wrote:Look at the catalog/controller/common/home.php file
You'll note that it has no real content. But it calls its children, which are modules... but modules are just mini-controllers that don't call the output dispatch directly, because the main controllers do it.

But you can pretty much load any module and place it. The module name is its exported variable name "latest" module is called by "$latest", etc
Hi Q,

This getChild() method can call a child.

But how do I call the Child's methods and pass variables to the methods from the calling controller?

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Post by JNeuhoff » Sun May 31, 2015 2:30 am

In OpenCart 2.0.x versions, this is quite simple:

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$this->load->controller( $route, $args );
This will execute the action specified by the route, with the optional given args, and returns the rendered output.

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