Ticket #539: function.jAjaxLink.php

<?php
/**
* @package    jelix
* @subpackage jtpl_plugin
* @version    $Id$
* @author     Sylvain de Vathaire
* @copyright  2008 Sylvain de Vathaire
* @link        http://www.jelix.org
* @licence    GNU Lesser General Public Licence see LICENCE file or http://www.gnu.org/licenses/lgpl.html
*/

/**
 * function plugin :  Cr�un lien HTML g�nt le chargement d'une zone en ajax OU si js d�ctiv�echargeant la page avec la zone affich� * Rely on jquery and ajaxZone
 *
 * @param jTpl $tpl template engine
 * @param string $txt txt of the link tag
 * @param string $blockId Id of the HTML containet element (usualy a div element)
 * @param string $tplName Template to load using the ajaxZone
 * @param array  $tagAttr Attributes of the tag 
 * @param string $classActive className to use if the link is the active one
 * @param boolean $defaultActiveLink Is this link the default active one ?
 */
function jtpl_function_html_jAjaxLink($tpl,$txt, $blockId, $tplName, $tagAttr = array(), $classActive = "", $defaultActiveLink = false){


    //is this link should be the active one ?
    $activeTpl = $GLOBALS['gJCoord']->request->getParam($blockId.'activeTpl');
    if(($activeTpl == $tplName) || ($activeTpl == '' && $defaultActiveLink)){
        $isActiveLink = true;
    }else{
        $isActiveLink = false;
    }

    //Construct the dynamic attributes of the tag
    if($isActiveLink){
        if(array_key_exists('class', $tagAttr)){
            $tagAttr['class'] = $tagAttr['class'].' '.$classActive;
        }else{
            $tagAttr['class'] = $classActive;
        }
    }

    $pageURL = 'http://'.$_SERVER['HTTP_HOST'].$GLOBALS['gJCoord']->request->urlScript.$GLOBALS['gJCoord']->request->urlPathInfo.'?';
    $q = http_build_query(array_merge($_GET, array($blockId.'activeTpl'=> $tplName)), '', '&');
    if(strpos($q, '%3A')!==false)
        $q = str_replace( '%3A', ':', $q);
    $pageURL .=$q;
    $tagAttr['href'] = $pageURL;

    $tagAttr['srcurl'] = jUrl::get('commun~ajax:getZone', array('zone'=>'commun~ajax', 'blockId'=>$blockId, $blockId.'activeTpl'=> $tplName), true);
    $tagAttr['targetid'] = $blockId;
    $tagAttr['activeclassname'] = $classActive;

    //display the tag
    echo('<a ');
    foreach ($tagAttr as $attrName => $attrVal) {
        echo($attrName."='".$attrVal."' ");
    }
    echo('>'.$txt.'</a>');
}
?>