tk2/TKTheme.php5

<?php

abstract class TKTheme extends SObject {
    protected $defaults = array();

    public function __construct() {
        $this->initialize();
    }

    public function getDefault($comp, $ctype, $prop) {
        if(isset($this->defaults[$comp.$ctype][$prop])) {
            return $this->defaults[$comp.$ctype][$prop];
        }
        else if(isset($this->defaults[$comp."default"][$prop])) {
            return $this->defaults[$comp."default"][$prop];
        }
        else {
            return false;
        }
    }

    public function initComponent($comp) {
        $class = get_class($comp);
        $ctype = $comp->getThemeClass();
        foreach($comp->getProperties() as $p) {
            $val = $this->getDefault($class, $ctype, $p);
            if($val === false)
                continue;

            $old = $comp->get($p);
            if(is_bool($old) || is_object($old))
                continue;
            if(is_string($old) && $old !== "")
                continue;
            $comp->append($p, $val, true);
        }
    }

    protected function setThemeDefault($comp, $ctype, $prop, $val = null) {
        if($val === null) {
            // quick and dirty way to do method overloading...;)
            $val = $prop;
            $prop = $ctype;
            $ctype = 'default';
        }
        $key = $comp . $ctype;
        if(!isset($this->defaults[$key]))
            $this->defaults[$key] = array();
        $this->defaults[$key][$prop] = $val;
    }

    protected function inherit($new, $old, $prop = true, $ctype = 'default') {
        $newKey = $new . $ctype;
        $oldKey = $old . $ctype;
        if(!isset($this->defaults[$oldKey]))
            return false;
        if(!isset($this->defaults[$newKey]))
            $this->defaults[$newKey] = array();
        if($prop === true) {
            if(!isset($this->defaults[$newKey]))
                $this->defaults[$newKey] = '';
            if(is_array($this->defaults[$oldKey]))
                $this->defaults[$newKey] = array_merge($this->defaults[$newKey], $this->defaults[$oldKey]);
            else
                $this->defaults[$newKey] .= $this->defaults[$oldKey];
        }
        else if(is_array($prop)) {
            foreach($prop as $p) {
                if(isset($this->defaults[$oldKey][$p])) {
                    if(isset($this->defaults[$newKey][$p])) {
                        if(is_array($this->defaults[$newKey][$p]))
                            array_merge($this->defaults[$newKey][$p], $this->defaults[$oldKey][$p]);
                        else
                            $this->defaults[$newKey][$p] .= $this->defaults[$oldKey][$p];
                    }
                }
            }
        }
        else if(is_string($prop) && isset($this->defaults[$oldKey][$prop]))
            $this->defaults[$newKey][$prop] = $this->defaults[$oldKey][$prop];
        else
            return false;
        return true;
    }

    protected abstract function initialize();
}

?>

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