128 lines
3.2 KiB
PHP
128 lines
3.2 KiB
PHP
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<?php
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/**
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* Copyright 2010 Aart-Jan Boor <aart-jan@wemag.nl>
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* Author: Aart-Jan Boor
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* Wemag Advisering <http://www.wemag.nl>
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* Website: http://www.ktplugins.com
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*
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*/
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/**
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* KTPage child class that is designed to allow interception of page rendering
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* to adjust page output as provided by KT
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*/
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class KTPFwPage extends KTPage{
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var $ktp_type;
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private $triggers;
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private $initialPortletsProcessed = false;
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/**
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* Constructor, runs the init_* methods of the registered triggers
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* @param object $type [optional]
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* @return
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*/
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function KTPFwPage($type = 'admin'){
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$this->KTPage(); //run parent constructor
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$this->ktp_type = $type;
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$plugins = array();
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$oRegistry =& KTPluginRegistry::getSingleton();
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$pluginsList = $oRegistry->getPlugins();
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foreach($pluginsList as $plugin){
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$plugins[$plugin->sNamespace] = true;
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}
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//collect active triggers
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$res = DBUtil::getResultArray("SELECT * FROM ktp_fw_triggers");
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if(PEAR::isError($res)){
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KTPUtil::displayError("Can't read triggers: ".$res->message);
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}
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foreach($res as $trigger){
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if(isset($plugins[$trigger['plugin']])){
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if(!isset($this->triggers[$trigger['type']])){
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$this->triggers[$trigger['type']] = array();
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}
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$this->triggers[$trigger['type']][] = $trigger;
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}
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}
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//run required triggers
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if($type == 'admin'){
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$this->runTriggers("admin_render");
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}else{
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$this->runTriggers("render");
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}
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}
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function processInitialPortlets(){
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//run portlet triggers
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$pTemp = $this->portlets;
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$this->portlets = array();
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foreach($pTemp as $oPortlet){
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$this->addPortlet($oPortlet);
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}
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$this->initialPortletsProcessed = true;
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}
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/**
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* KTPage class override. This method is called for adding a portlet
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* to the sidebar. By intercepting this method we can change some
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* aspects of the portlet layout, and refuse to add some portlets.
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* Again, this method is called by KT internal (blackbox) code.
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*
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* @param KTPortlet $oPortlet portlet to add
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*/
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function addPortlet($oPortlet){
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if(!$this->initialPortletsProcessed){
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$this->processInitialPortlets();
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}
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if(count($this->triggers['add_portlet']) > 0){
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$this->runTriggers("add_portlet",$oPortlet);
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}else{
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parent::addPortlet($oPortlet);
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}
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}
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function runTriggers($type, $html = null){
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foreach($this->triggers[$type] as $trigger){
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require_once(KT_DIR.$trigger['file']);
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if($type=="add_portlet"){
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$oTrig = new $trigger['class'];
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$this->portlets = $oTrig->runTrigger($html,$this->portlets);
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}else{
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if(substr($type,-6) == 'output'){
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$html = call_user_func(array($trigger['class'], 'runTrigger'), $html);
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}else{
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call_user_func(array($trigger['class'], 'runTrigger'));
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}
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}
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}
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return $html;
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}
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/**
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* Renders page content and allows interceptions by KTplugins.com
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* interceptor methods prefixed by render_
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* @return
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*/
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function render(){
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ob_start();
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parent::render();
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$data = ob_get_contents();
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ob_end_clean();
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//run required triggers
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if($this->ktp_type == 'admin'){
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$data = $this->runTriggers("admin_output",$data);
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}else{
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$data = $this->runTriggers("output",$data);
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}
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echo $data;
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}
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}
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?>
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