mirror of
https://github.com/moodle/moodle.git
synced 2025-01-19 06:18:28 +01:00
213 lines
8.5 KiB
PHP
213 lines
8.5 KiB
PHP
<?php
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/**
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* Library functions for using AJAX with Moodle.
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*/
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/**
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* Get the path to a JavaScript library.
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* @param $libname - the name of the library whose path we need.
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* @return string
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*/
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function ajax_get_lib($libname) {
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global $CFG, $HTTPSPAGEREQUIRED;
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$libpath = '';
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$external_yui = false;
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$translatelist = array(
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'yui_yahoo' => '/lib/yui/yahoo/yahoo-min.js',
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'yui_animation' => '/lib/yui/animation/animation-min.js',
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'yui_autocomplete' => '/lib/yui/autocomplete/autocomplete-min.js',
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'yui_button' => '/lib/yui/button/button-min.js',
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'yui_calendar' => '/lib/yui/calendar/calendar-min.js',
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'yui_charts' => '/lib/yui/charts/charts-experimental-min.js',
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'yui_colorpicker' => '/lib/yui/colorpicker/colorpicker-min.js',
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'yui_connection' => '/lib/yui/connection/connection-min.js',
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'yui_container' => '/lib/yui/container/container-min.js',
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'yui_cookie' => '/lib/yui/cookie/cookie-min.js',
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'yui_datasource' => '/lib/yui/datasource/datasource-min.js',
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'yui_datatable' => '/lib/yui/datatable/datatable-min.js',
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'yui_dom' => '/lib/yui/dom/dom-min.js',
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'yui_dom-event' => '/lib/yui/yahoo-dom-event/yahoo-dom-event.js',
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'yui_dragdrop' => '/lib/yui/dragdrop/dragdrop-min.js',
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'yui_editor' => '/lib/yui/editor/editor-min.js',
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'yui_element' => '/lib/yui/element/element-beta-min.js',
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'yui_event' => '/lib/yui/event/event-min.js',
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'yui_get' => '/lib/yui/get/get-min.js',
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'yui_history' => '/lib/yui/history/history-min.js',
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'yui_imagecropper' => '/lib/yui/imagecropper/imagecropper-beta-min.js',
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'yui_imageloader' => '/lib/yui/imageloader/imageloader-min.js',
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'yui_json' => '/lib/yui/json/json-min.js',
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'yui_layout' => '/lib/yui/layout/layout-min.js',
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'yui_logger' => '/lib/yui/logger/logger-min.js',
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'yui_menu' => '/lib/yui/menu/menu-min.js',
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'yui_profiler' => '/lib/yui/profiler/profiler-min.js',
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'yui_profilerviewer' => '/lib/yui/profilerviewer/profilerviewer-beta-min.js',
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'yui_resize' => '/lib/yui/resize/resize-min.js',
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'yui_selector' => '/lib/yui/selector/selector-beta-min.js',
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'yui_simpleeditor' => '/lib/yui/editor/simpleeditor-min.js',
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'yui_slider' => '/lib/yui/slider/slider-min.js',
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'yui_tabview' => '/lib/yui/tabview/tabview-min.js',
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'yui_treeview' => '/lib/yui/treeview/treeview-min.js',
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'yui_uploader' => '/lib/yui/uploader/uploader-experimental-min.js',
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'yui_utilities' => '/lib/yui/utilities/utilities.js',
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'yui_yuiloader' => '/lib/yui/yuiloader/yuiloader-min.js',
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'yui_yuitest' => '/lib/yui/yuitest/yuitest-min.js',
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'ajaxcourse_blocks' => '/lib/ajax/block_classes.js',
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'ajaxcourse_sections' => '/lib/ajax/section_classes.js',
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'ajaxcourse' => '/lib/ajax/ajaxcourse.js'
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);
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if (!empty($HTTPSPAGEREQUIRED)) {
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$wwwroot = $CFG->httpswwwroot;
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} else {
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$wwwroot = $CFG->wwwroot;
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}
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if (array_key_exists($libname, $translatelist)) {
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// If this is a YUI file and we are using external libraries
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if (substr($libname, 0, 3) == 'yui' && !empty($CFG->useexternalyui)) {
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$external_yui = true;
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// Get current version
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include($CFG->libdir.'/yui/version.php');
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$libpath = 'http://yui.yahooapis.com/'.$yuiversion.'/build/'.substr($translatelist[$libname], 9);
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} else {
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$libpath = $wwwroot . $translatelist[$libname];
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}
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} else if (preg_match('/^https?:/', $libname)) {
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$libpath = $libname;
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} else {
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$libpath = $wwwroot . '/' . $libname;
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}
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// Make sure the file exists if it is local.
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if ($external_yui === false) {
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$testpath = str_replace($wwwroot, $CFG->dirroot, $libpath);
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if (!file_exists($testpath)) {
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throw new moodle_exception('unknownjsinrequirejs', '', '', $libpath);
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}
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}
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return $libpath;
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}
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/**
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* Returns whether ajax is enabled/allowed or not.
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*/
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function ajaxenabled($browsers = array()) {
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global $CFG, $USER;
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if (!empty($browsers)) {
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$valid = false;
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foreach ($browsers as $brand => $version) {
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if (check_browser_version($brand, $version)) {
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$valid = true;
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}
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}
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if (!$valid) {
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return false;
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}
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}
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$ie = check_browser_version('MSIE', 6.0);
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$ff = check_browser_version('Gecko', 20051106);
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$op = check_browser_version('Opera', 9.0);
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$sa = check_browser_version('Safari', 412);
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if (!$ie && !$ff && !$op && !$sa) {
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/** @see http://en.wikipedia.org/wiki/User_agent */
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// Gecko build 20051107 is what is in Firefox 1.5.
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// We still have issues with AJAX in other browsers.
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return false;
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}
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if (!empty($CFG->enableajax) && (!empty($USER->ajax) || !isloggedin())) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* Used to create view of document to be passed to JavaScript on pageload.
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* We use this class to pass data from PHP to JavaScript.
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*/
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class jsportal {
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var $currentblocksection = null;
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var $blocks = array();
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/**
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* Takes id of block and adds it
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*/
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function block_add($id, $hidden=false){
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$hidden_binary = 0;
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if ($hidden) {
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$hidden_binary = 1;
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}
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$this->blocks[count($this->blocks)] = array($this->currentblocksection, $id, $hidden_binary);
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}
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/**
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* Prints the JavaScript code needed to set up AJAX for the course.
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*/
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function print_javascript($courseid, $return=false) {
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global $CFG, $USER;
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$blocksoutput = $output = '';
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for ($i=0; $i<count($this->blocks); $i++) {
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$blocksoutput .= "['".$this->blocks[$i][0]."',
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'".$this->blocks[$i][1]."',
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'".$this->blocks[$i][2]."']";
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if ($i != (count($this->blocks) - 1)) {
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$blocksoutput .= ',';
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}
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}
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$output .= "<script type=\"text/javascript\">\n";
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$output .= " main.portal.id = ".$courseid.";\n";
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$output .= " main.portal.blocks = new Array(".$blocksoutput.");\n";
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$output .= " main.portal.strings['wwwroot']='".$CFG->wwwroot."';\n";
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$output .= " main.portal.strings['pixpath']='".$CFG->pixpath."';\n";
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$output .= " main.portal.strings['marker']='".get_string('markthistopic', '', '_var_')."';\n";
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$output .= " main.portal.strings['marked']='".get_string('markedthistopic', '', '_var_')."';\n";
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$output .= " main.portal.strings['hide']='".get_string('hide')."';\n";
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$output .= " main.portal.strings['hidesection']='".get_string('hidesection', '', '_var_')."';\n";
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$output .= " main.portal.strings['show']='".get_string('show')."';\n";
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$output .= " main.portal.strings['delete']='".get_string('delete')."';\n";
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$output .= " main.portal.strings['move']='".get_string('move')."';\n";
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$output .= " main.portal.strings['movesection']='".get_string('movesection', '', '_var_')."';\n";
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$output .= " main.portal.strings['moveleft']='".get_string('moveleft')."';\n";
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$output .= " main.portal.strings['moveright']='".get_string('moveright')."';\n";
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$output .= " main.portal.strings['update']='".get_string('update')."';\n";
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$output .= " main.portal.strings['groupsnone']='".get_string('groupsnone')."';\n";
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$output .= " main.portal.strings['groupsseparate']='".get_string('groupsseparate')."';\n";
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$output .= " main.portal.strings['groupsvisible']='".get_string('groupsvisible')."';\n";
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$output .= " main.portal.strings['clicktochange']='".get_string('clicktochange')."';\n";
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$output .= " main.portal.strings['deletecheck']='".get_string('deletecheck','','_var_')."';\n";
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$output .= " main.portal.strings['resource']='".get_string('resource')."';\n";
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$output .= " main.portal.strings['activity']='".get_string('activity')."';\n";
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$output .= " main.portal.strings['sesskey']='".$USER->sesskey."';\n";
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$output .= " onloadobj.load();\n";
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$output .= " main.process_blocks();\n";
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$output .= "</script>";
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if ($return) {
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return $output;
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} else {
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echo $output;
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}
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}
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}
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?>
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