design_area_show_if.inc

<?php
require_once SQ_CORE_PACKAGE_PATH.'/designs/design_area/design_area.inc';

class Design_Area_Show_If extends Design_Area
{


    function __construct($assetid=0)
    {
        parent::__construct($assetid);

    }//end constructor


    public function setAttrValue($name, $value)
    {
        if ((substr($name, 0, 10) == 'condition_') && ($name != 'condition_data')) {
            // this is some condition data we need to save and pass to the
            //  condition asset's evaluate() function
            $data_key = substr($name, 10);

            $condition_data = $this->attr('condition_data');
            $condition_data[$data_key] = $value;
            return parent::setAttrValue('condition_data', $condition_data);
        } else {
            return parent::setAttrValue($name, $value);
        }

    }//end setAttrValue()


    protected function _printInitCode()
    {
        $condition = $this->attr('condition');
        $condition_data = $this->attr('condition_data');
        $condition_data['id_name'] = $this->attr('id_name');
        $id_name = $this->attr('id_name');
        $cond_var_name = '$'.$this->attr('id_name').'_condition_result';
        echo '<','?php
        $GLOBALS[\'SQ_SYSTEM\']->am->includeAsset(\'condition_'.$condition.'\');
        $'.$id_name.'_condition_data = '.var_export($condition_data, TRUE).';
        '.$cond_var_name.' = condition_'.$condition.'::evaluate($ASSET, $'.$id_name.'_condition_data);';
        echo '?', '>
        ';

    }//end _printInitCode()


    protected function _printPaintingCode()
    {
        $then = $this->attr('then_contents');
        $else = $this->attr('else_contents');
        $cond_var_name = '$'.$this->attr('id_name').'_condition_result';

        echo '<','?php';
        echo '
            if ('.$cond_var_name.') {
        ';

        // the multiple echo statements are required to get content to print at line 1,
        // character 1 of the potential output (i.e. the DocType). Otherwise, it may get
        // ignored
        if (!empty($then)) {
            echo '?', '>';
            foreach ($then as $index => $element) {
                $this->_printContentItemCode($element);
            }
            echo '<', '?php ; '."\n";
        } else {
            echo 'echo \'\';'."\n";
        }

        echo '} else {'."\n";

        if (!empty($else)) {
            echo '?', '>';
            foreach ($else as $index => $element) {
                $this->_printContentItemCode($element);
            }
            echo '<', '?php ; ';
        } else {
            echo 'echo \'\';';
        }

        echo '}
        ?','>
        ';
        return TRUE;

    }//end _printPaintingCode()


    public function canBeCached()
    {
        return FALSE;

    }//end canBeCached()


    public function getProtectedAttrs()
    {
        $attrs = parent::getProtectedAttrs();
        $attrs[] = 'condition_data';
        return $attrs;

    }//end getProtectedAttrs()


}//end class
?>