Your IP : 216.73.216.95
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* A way to call HTML fragments to be inserted as required via JavaScript.
*
* @module core/fragment
* @class fragment
* @package core
* @copyright 2016 Adrian Greeve <adrian@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since 3.1
*/
define(['jquery', 'core/ajax'], function($, ajax) {
/**
* Loads an HTML fragment through a callback.
*
* @method loadFragment
* @param {string} component Component where callback is located.
* @param {string} callback Callback function name.
* @param {integer} contextid Context ID of the fragment.
* @param {object} params Parameters for the callback.
* @return {Promise} JQuery promise object resolved when the fragment has been loaded.
*/
var loadFragment = function(component, callback, contextid, params) {
// Change params into required webservice format.
var formattedparams = [];
for (var index in params) {
formattedparams.push({
name: index,
value: params[index]
});
}
return ajax.call([{
methodname: 'core_get_fragment',
args: {
component: component,
callback: callback,
contextid: contextid,
args: formattedparams
}
}])[0];
};
return /** @alias module:core/fragment */{
/**
* Appends HTML and JavaScript fragments to specified nodes.
* Callbacks called by this AMD module are responsible for doing the appropriate security checks
* to access the information that is returned. This only does minimal validation on the context.
*
* @method fragmentAppend
* @param {string} component Component where callback is located.
* @param {string} callback Callback function name.
* @param {integer} contextid Context ID of the fragment.
* @param {object} params Parameters for the callback.
* @return {Deferred} new promise that is resolved with the html and js.
*/
loadFragment: function(component, callback, contextid, params) {
var promise = $.Deferred();
loadFragment(component, callback, contextid, params).then(function(data) {
var jsNodes = $(data.javascript);
var allScript = '';
jsNodes.each(function(index, scriptNode) {
scriptNode = $(scriptNode);
var tagName = scriptNode.prop('tagName');
if (tagName && (tagName.toLowerCase() == 'script')) {
if (scriptNode.attr('src')) {
// We only reload the script if it was not loaded already.
var exists = false;
$('script').each(function(index, s) {
if ($(s).attr('src') == scriptNode.attr('src')) {
exists = true;
}
return !exists;
});
if (!exists) {
allScript += ' { ';
allScript += ' node = document.createElement("script"); ';
allScript += ' node.type = "text/javascript"; ';
allScript += ' node.src = decodeURI("' + encodeURI(scriptNode.attr('src')) + '"); ';
allScript += ' document.getElementsByTagName("head")[0].appendChild(node); ';
allScript += ' } ';
}
} else {
allScript += ' ' + scriptNode.text();
}
}
});
promise.resolve(data.html, allScript);
return;
}).fail(function(ex) {
promise.reject(ex);
});
return promise.promise();
}
};
});