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{$myClass->mySubClass()->mySubClassMethod()}

 
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fms
Smarty Rookie


Joined: 30 Jun 2012
Posts: 6
PostPosted: Sat Jun 30, 2012 8:09 am    Post subject: {$myClass->mySubClass()->mySubClassMethod()} Reply with quote
How to cleanly acces that in a smarty template: $myClass->mySubClass()->mySubClassMethod().

An exemple:

=> My classes
Code:
class color {

        private $fgColor;
        private $bgColor;

        function __construct($fgColor=null,$bgColor=null) {
                $this->fgColor=$fgColor;
                $this->bgColor=$bgColor;
        }

        public function getFgColor() {
                return $this->fgColor;
        }
        public function getBgColor() {
                return $this->bgColor;
        }
}

class document {

        private $title;
        private $color;

        function __construct() {
                $this->title=null;
                $this->color=new color('black','white');
        }

        public function &getColor() {
                return $this->color;
        }

        public function setTitle($title) {
                // Some checkout / formating
                return $this->title=$title;
        }
        public function getTitle() {
                return $this->title;
        }

}


=> My Model

Code:
$doc = new document();
$doc->setTitle('My new document!');

$smarty->assign_by_ref('doc', '$doc'); // or some other assignation method


=> In my template

Code:
Doc title : {$doc->getTitle()} <= No problem

Foreground color : {$doc->getColor()->getFgColor()} <= Does not work  :cry:

{assign var=color value=$doc->getColor()}
Foreground color : {$color->getFgColor()} <= Working but dirty


Someone can help / have the soluce?
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rodneyrehm
Administrator


Joined: 30 Mar 2007
Posts: 698
Location: Germany, border to Switzerland
PostPosted: Sat Jun 30, 2012 8:44 am    Post subject: Reply with quote
{$foo->bar()->baz()} does not work in Smarty2. Smarty3 understands this syntax.

you can explode the chaining:

Code:
{assign var="bar" value=$foo->getBar()}
{$bar->baz()}


Or you could add a __get() magic method to your objects.

Code:
class Foo {
  public function getBar() {
    return "Hello World";
  }
  public function __get( $name )
  {
    $fn = 'get'. ucfirst($name);
    if (is_callable(array($this, $fn))) {
        return $this->$fn();
    }

    // possibly trigger error?
    return null;
  }
}


that now allows you to invoke the getBar() method by accessing $foo->bar.


both options aren't the neatest. If you can, upgrade to Smarty3!
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fms
Smarty Rookie


Joined: 30 Jun 2012
Posts: 6
PostPosted: Sat Jun 30, 2012 8:55 am    Post subject: Reply with quote
Thank you very much for your reply!
So I will look for updating my smarty release Smile

thx
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