I think I have it worked out.
The following example allows me to load sub-classed Components on the
fly and use them as if they were a "parent class" instance. Note that
components are loaded in the controller through this static command:
ColorComponent::create($this, 'Red');
and are referenced in the controller as: $this->Color
There might be a more elegant way to do this, but it's good enough for
now. I hope this is of help to others.
m.
---
<?php
// file: /app/controllers/components/color.php
class ColorComponent extends Object
{
var $components = array('Session');
var $controller;
var $name='Color';
function startup(& $controller) {
$this->controller = $controller;
$controller->Color = $this;
// debug("Color startup, controller=".print_r($this->controller-
>name, true));
}
static function create(& $controller, $color) {
switch ($color) {
case 'Red':
App::import('Component','Red');
$controller->Color = new RedComponent();
break;
case 'Blue':
App::import('Component','Blue');
$controller->Color = new BlueComponent();
break;
}
$controller->Color->startup($controller);
}
function getColor() {
return $this->controller->Session->read('Color');
}
function setColor() {
debug("controller=".print_r($this->controller->name, true));
$this->controller->Session->write('Color',$this->name);
}
}
?>
<?php
// file: /app/controllers/components/red.php
class RedComponent extends ColorComponent
{
var $components = array('Session');
var $controller;
var $name='Red';
var $init;
function startup(& $controller) {
parent::startup($controller);
$this->init = $this->name;
}
}
?>
<?php
// file: /app/controllers/components/blue.php
class BlueComponent extends ColorComponent
{
var $components = array('Session');
var $controller;
var $name='Blue';
function startup(&$controller) {
parent::startup($controller);
$this->init = $this->name;
}
}
?>
<?php
// file: /app/controllers/colors_controllers.php
class ColorsController extends AppController {
var $name = 'Colors';
var $components = array('Color');
var $uses = null;
var $othAuthRestrictions = null;
function testRed() {
ColorComponent::create($this, 'Red');
$this->Color->setColor();
debug($this->Color->getColor());
exit;
}
function testBlue() {
ColorComponent::create($this, 'Blue');
$this->Color->setColor();
debug($this->Color->getColor());
exit;
}
}
?>
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