Your IP : 216.73.216.95
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle. If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Standard Ajax wrapper for Moodle. It calls the central Ajax script,\n * which can call any existing webservice using the current session.\n * In addition, it can batch multiple requests and return multiple responses.\n *\n * @module mod_lti/tool_configure_controller\n * @class tool_configure_controller\n * @package mod_lti\n * @copyright 2015 Ryan Wyllie <ryan@moodle.com>\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since 3.1\n */\ndefine(['jquery', 'core/ajax', 'core/notification', 'core/templates', 'mod_lti/events', 'mod_lti/keys', 'mod_lti/tool_type',\n 'mod_lti/tool_proxy', 'core/str'],\n function($, ajax, notification, templates, ltiEvents, KEYS, toolType, toolProxy, str) {\n\n var SELECTORS = {\n EXTERNAL_REGISTRATION_CONTAINER: '#external-registration-container',\n EXTERNAL_REGISTRATION_PAGE_CONTAINER: '#external-registration-page-container',\n EXTERNAL_REGISTRATION_TEMPLATE_CONTAINER: '#external-registration-template-container',\n CARTRIDGE_REGISTRATION_CONTAINER: '#cartridge-registration-container',\n CARTRIDGE_REGISTRATION_FORM: '#cartridge-registration-form',\n ADD_TOOL_FORM: '#add-tool-form',\n TOOL_LIST_CONTAINER: '#tool-list-container',\n TOOL_CREATE_BUTTON: '#tool-create-button',\n TOOL_CREATE_LTILEGACY_BUTTON: '#tool-createltilegacy-button',\n REGISTRATION_CHOICE_CONTAINER: '#registration-choice-container',\n TOOL_URL: '#tool-url'\n };\n\n /**\n * Get the tool list container element.\n *\n * @method getToolListContainer\n * @private\n * @return {Object} jQuery object\n */\n var getToolListContainer = function() {\n return $(SELECTORS.TOOL_LIST_CONTAINER);\n };\n\n /**\n * Get the external registration container element.\n *\n * @method getExternalRegistrationContainer\n * @private\n * @return {Object} jQuery object\n */\n var getExternalRegistrationContainer = function() {\n return $(SELECTORS.EXTERNAL_REGISTRATION_CONTAINER);\n };\n\n /**\n * Get the cartridge registration container element.\n *\n * @method getCartridgeRegistrationContainer\n * @private\n * @return {Object} jQuery object\n */\n var getCartridgeRegistrationContainer = function() {\n return $(SELECTORS.CARTRIDGE_REGISTRATION_CONTAINER);\n };\n\n /**\n * Get the registration choice container element.\n *\n * @method getRegistrationChoiceContainer\n * @private\n * @return {Object} jQuery object\n */\n var getRegistrationChoiceContainer = function() {\n return $(SELECTORS.REGISTRATION_CHOICE_CONTAINER);\n };\n\n /**\n * Close the LTI Advantage Registration IFrame.\n *\n * @private\n * @param {Object} e post message event sent from the registration frame.\n */\n var closeLTIAdvRegistration = function(e) {\n if (e.data && 'org.imsglobal.lti.close' === e.data.subject) {\n $(SELECTORS.EXTERNAL_REGISTRATION_TEMPLATE_CONTAINER).empty();\n hideExternalRegistration();\n showRegistrationChoices();\n showToolList();\n showRegistrationChoices();\n reloadToolList();\n }\n };\n\n /**\n * Load the external registration template and render it in the DOM and display it.\n *\n * @method initiateRegistration\n * @private\n * @param {String} url where to send the registration request\n */\n var initiateRegistration = function(url) {\n // Show the external registration page in an iframe.\n $(SELECTORS.EXTERNAL_REGISTRATION_PAGE_CONTAINER).removeClass('hidden');\n var container = $(SELECTORS.EXTERNAL_REGISTRATION_TEMPLATE_CONTAINER);\n container.append($(\"<iframe src='startltiadvregistration.php?url=\"\n + encodeURIComponent(url) + \"'></iframe>\"));\n showExternalRegistration();\n window.addEventListener(\"message\", closeLTIAdvRegistration, false);\n };\n\n /**\n * Get the tool type URL.\n *\n * @method getToolURL\n * @private\n * @return {String} the tool type url\n */\n var getToolURL = function() {\n return $(SELECTORS.TOOL_URL).val();\n };\n\n /**\n * Hide the external registration container.\n *\n * @method hideExternalRegistration\n * @private\n */\n var hideExternalRegistration = function() {\n getExternalRegistrationContainer().addClass('hidden');\n };\n\n /**\n * Hide the cartridge registration container.\n *\n * @method hideCartridgeRegistration\n * @private\n */\n var hideCartridgeRegistration = function() {\n getCartridgeRegistrationContainer().addClass('hidden');\n };\n\n /**\n * Hide the registration choice container.\n *\n * @method hideRegistrationChoices\n * @private\n */\n var hideRegistrationChoices = function() {\n getRegistrationChoiceContainer().addClass('hidden');\n };\n\n /**\n * Display the external registration panel and hides the other\n * panels.\n *\n * @method showExternalRegistration\n * @private\n */\n var showExternalRegistration = function() {\n hideCartridgeRegistration();\n hideRegistrationChoices();\n getExternalRegistrationContainer().removeClass('hidden');\n screenReaderAnnounce(getExternalRegistrationContainer());\n };\n\n /**\n * Display the cartridge registration panel and hides the other\n * panels.\n *\n * @method showCartridgeRegistration\n * @param {String} url\n * @private\n */\n var showCartridgeRegistration = function(url) {\n hideExternalRegistration();\n hideRegistrationChoices();\n // Don't save the key and secret from the last tool.\n var container = getCartridgeRegistrationContainer();\n container.find('input').val('');\n container.removeClass('hidden');\n container.find(SELECTORS.CARTRIDGE_REGISTRATION_FORM).attr('data-cartridge-url', url);\n screenReaderAnnounce(container);\n };\n\n /**\n * Display the registration choices panel and hides the other\n * panels.\n *\n * @method showRegistrationChoices\n * @private\n */\n var showRegistrationChoices = function() {\n hideExternalRegistration();\n hideCartridgeRegistration();\n getRegistrationChoiceContainer().removeClass('hidden');\n screenReaderAnnounce(getRegistrationChoiceContainer());\n };\n\n /**\n * JAWS does not notice visibility changes with aria-live.\n * Remove and add the content back to force it to read it out.\n * This function can be removed once JAWS supports visibility.\n *\n * @method screenReaderAnnounce\n * @param {Object} element\n * @private\n */\n var screenReaderAnnounce = function(element) {\n var children = element.children().detach();\n children.appendTo(element);\n };\n\n /**\n * Hides the list of tool types.\n *\n * @method hideToolList\n * @private\n */\n var hideToolList = function() {\n getToolListContainer().addClass('hidden');\n };\n\n /**\n * Display the list of tool types.\n *\n * @method hideToolList\n * @private\n */\n var showToolList = function() {\n getToolListContainer().removeClass('hidden');\n };\n\n /**\n * Display the registration feedback alert and hide the other panels.\n *\n * @method showRegistrationFeedback\n * @param {Object} data\n * @private\n */\n var showRegistrationFeedback = function(data) {\n var type = data.error ? 'error' : 'success';\n notification.addNotification({\n message: data.message,\n type: type\n });\n };\n\n /**\n * Show the loading animation\n *\n * @method startLoading\n * @private\n * @param {Object} element jQuery object\n */\n var startLoading = function(element) {\n element.addClass(\"loading\");\n };\n\n /**\n * Hide the loading animation\n *\n * @method stopLoading\n * @private\n * @param {Object} element jQuery object\n */\n var stopLoading = function(element) {\n element.removeClass(\"loading\");\n };\n\n /**\n * Refresh the list of tool types and render the new ones.\n *\n * @method reloadToolList\n * @private\n */\n var reloadToolList = function() {\n var promise = $.Deferred();\n var container = getToolListContainer();\n startLoading(container);\n\n $.when(\n toolType.query(),\n toolProxy.query({'orphanedonly': true})\n )\n .done(function(types, proxies) {\n templates.render('mod_lti/tool_list', {tools: types, proxies: proxies})\n .done(function(html, js) {\n container.empty();\n container.append(html);\n templates.runTemplateJS(js);\n promise.resolve();\n }).fail(promise.reject);\n })\n .fail(promise.reject);\n\n promise.fail(notification.exception)\n .always(function() {\n stopLoading(container);\n });\n };\n\n /**\n * Start the LTI Advantage registration.\n *\n * @method addLTIAdvTool\n * @private\n */\n var addLTIAdvTool = function() {\n var url = getToolURL().trim();\n\n if (url) {\n $(SELECTORS.TOOL_URL).val('');\n hideToolList();\n initiateRegistration(url);\n }\n\n };\n\n /**\n * Trigger appropriate registration process process for the user input\n * URL. It can either be a cartridge or a registration url.\n *\n * @method addLTILegacyTool\n * @private\n * @return {Promise} jQuery Deferred object\n */\n var addLTILegacyTool = function() {\n var url = getToolURL().trim();\n\n if (url === \"\") {\n return $.Deferred().resolve();\n }\n var toolButton = $(SELECTORS.TOOL_CREATE_LTILEGACY_BUTTON);\n startLoading(toolButton);\n\n var promise = toolType.isCartridge(url);\n\n promise.always(function() {\n stopLoading(toolButton);\n });\n\n promise.done(function(result) {\n if (result.iscartridge) {\n $(SELECTORS.TOOL_URL).val('');\n $(document).trigger(ltiEvents.START_CARTRIDGE_REGISTRATION, url);\n } else {\n $(document).trigger(ltiEvents.START_EXTERNAL_REGISTRATION, {url: url});\n }\n });\n\n promise.fail(function() {\n str.get_string('errorbadurl', 'mod_lti')\n .done(function(s) {\n $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, {\n message: s,\n error: true\n });\n })\n .fail(notification.exception);\n });\n\n return promise;\n };\n\n /**\n * Sets up the listeners for user interaction on the page.\n *\n * @method registerEventListeners\n * @private\n */\n var registerEventListeners = function() {\n\n // These are events fired by the registration processes. Either\n // the cartridge registration or the external registration url.\n $(document).on(ltiEvents.NEW_TOOL_TYPE, function() {\n reloadToolList();\n });\n\n $(document).on(ltiEvents.START_EXTERNAL_REGISTRATION, function() {\n showExternalRegistration();\n $(SELECTORS.TOOL_URL).val('');\n hideToolList();\n });\n\n $(document).on(ltiEvents.STOP_EXTERNAL_REGISTRATION, function() {\n showToolList();\n showRegistrationChoices();\n });\n\n $(document).on(ltiEvents.START_CARTRIDGE_REGISTRATION, function(event, url) {\n showCartridgeRegistration(url);\n });\n\n $(document).on(ltiEvents.STOP_CARTRIDGE_REGISTRATION, function() {\n getCartridgeRegistrationContainer().find(SELECTORS.CARTRIDGE_REGISTRATION_FORM).removeAttr('data-cartridge-url');\n showRegistrationChoices();\n });\n\n $(document).on(ltiEvents.REGISTRATION_FEEDBACK, function(event, data) {\n showRegistrationFeedback(data);\n });\n\n var addLegacyButton = $(SELECTORS.TOOL_CREATE_LTILEGACY_BUTTON);\n addLegacyButton.click(function(e) {\n e.preventDefault();\n addLTILegacyTool();\n });\n\n var addLTIButton = $(SELECTORS.TOOL_CREATE_BUTTON);\n addLTIButton.click(function(e) {\n e.preventDefault();\n addLTIAdvTool();\n });\n\n };\n\n return /** @alias module:mod_lti/cartridge_registration_form */ {\n\n /**\n * Initialise this module.\n */\n init: function() {\n registerEventListeners();\n reloadToolList();\n }\n };\n});\n"],"file":"tool_configure_controller.min.js"}