templating.inc.php
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<?php
/**
* $Id$
*
* Template factory class
*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1.2 ("License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.knowledgetree.com/KPL
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights and
* limitations under the License.
*
* All copies of the Covered Code must include on each user interface screen:
* (i) the "Powered by KnowledgeTree" logo and
* (ii) the KnowledgeTree copyright notice
* in the same form as they appear in the distribution. See the License for
* requirements.
*
* The Original Code is: KnowledgeTree Open Source
*
* The Initial Developer of the Original Code is The Jam Warehouse Software
* (Pty) Ltd, trading as KnowledgeTree.
* Portions created by The Jam Warehouse Software (Pty) Ltd are Copyright
* (C) 2007 The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
* Contributor( s): ______________________________________
*/
require_once(KT_LIB_DIR . "/templating/smartytemplate.inc.php");
class KTTemplating {
/** Templating language registry */
var $aTemplateRegistry;
/** Location registry */
var $aLocationRegistry;
// {{{ KTTemplating
function KTTemplating() {
$this->aTemplateRegistry = array(
"smarty" => "KTSmartyTemplate",
);
$this->aLocationRegistry = array(
"core" => "templates",
);
}
// }}}
// {{{ _chooseTemplate
function _chooseTemplate($templatename, $aPossibilities) {
$aLocs = array_keys($aPossibilities);
return $aPossibilities[$aLocs[count($aLocs) - 1]];
}
// }}}
// {{{ _findTemplate
function _findTemplate($templatename) {
$aPossibilities = array();
foreach ($this->aLocationRegistry as $loc => $path) {
if (KTUtil::isAbsolutePath($path)) {
$fulldirectory = $path . "/";
foreach (array_keys($this->aTemplateRegistry) as $suffix) {
$fullpath = $fulldirectory . $templatename . "." . $suffix;
if (file_exists($fullpath)) {
$aPossibilities[$loc] = array($suffix, $fullpath);
}
}
}
$fulldirectory = KT_DIR . "/" . $path . "/";
foreach (array_keys($this->aTemplateRegistry) as $suffix) {
$fullpath = $fulldirectory . $templatename . "." . $suffix;
if (file_exists($fullpath)) {
$aPossibilities[$loc] = array($suffix, $fullpath);
}
}
}
if (count($aPossibilities) === 0) {
return PEAR::raiseError(_kt("No template found"));
}
return $this->_chooseTemplate($templatename, $aPossibilities);
}
// }}}
// {{{ loadTemplate
/**
* Create an object that conforms to the template interface, using
* the correct template system for the given template.
*
* KTI: Theoretically, this will do path searching in multiple
* locations, allowing the user and possibly third-parties to
* replace templates.
*/
function &loadTemplate($templatename) {
$res = $this->_findTemplate($templatename);
if (PEAR::isError($res)) {
return $res;
}
list($sLanguage, $sTemplatePath) = $res;
$sClass = $this->aTemplateRegistry[$sLanguage];
if (!class_exists($sClass)) {
return PEAR::raiseError(_kt("Could not find template language"));
}
$oTemplate =& new $sClass($sTemplatePath);
return $oTemplate;
}
// }}}
// {{{ addLocation
function addLocation ($descr, $loc) {
$this->aLocationRegistry[$descr] = $loc;
}
// }}}
// {{{ getSingleton
function &getSingleton () {
if (!KTUtil::arrayGet($GLOBALS['_KT_PLUGIN'], 'oKTTemplating')) {
$GLOBALS['_KT_PLUGIN']['oKTTemplating'] = new KTTemplating;
}
return $GLOBALS['_KT_PLUGIN']['oKTTemplating'];
}
// }}}
function renderTemplate($sTemplate, $aOptions) {
$oTemplating =& KTTemplating::getSingleton();
$oTemplate =& $oTemplating->loadTemplate($sTemplate);
return $oTemplate->render($aOptions);
}
}
?>