Your IP : 192.168.165.1
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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 * Javascript to handle changing users via the user selector in the header.\n *\n * @module mod_assign/grading_navigation\n * @package mod_assign\n * @copyright 2016 Damyon Wiese <damyon@moodle.com>\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since 3.1\n */\ndefine(['jquery', 'core/notification', 'core/str', 'core/form-autocomplete',\n 'core/ajax', 'mod_assign/grading_form_change_checker'],\n function($, notification, str, autocomplete, ajax, checker) {\n\n /**\n * GradingNavigation class.\n *\n * @class GradingNavigation\n * @param {String} selector The selector for the page region containing the user navigation.\n */\n var GradingNavigation = function(selector) {\n this._regionSelector = selector;\n this._region = $(selector);\n this._filters = [];\n this._users = [];\n this._filteredUsers = [];\n this._lastXofYUpdate = 0;\n this._firstLoadUsers = true;\n\n // Get the current user list from a webservice.\n this._loadAllUsers();\n\n // We do not allow navigation while ajax requests are pending.\n // Attach listeners to the select and arrow buttons.\n\n this._region.find('[data-action=\"previous-user\"]').on('click', this._handlePreviousUser.bind(this));\n this._region.find('[data-action=\"next-user\"]').on('click', this._handleNextUser.bind(this));\n this._region.find('[data-action=\"change-user\"]').on('change', this._handleChangeUser.bind(this));\n this._region.find('[data-region=\"user-filters\"]').on('click', this._toggleExpandFilters.bind(this));\n\n $(document).on('user-changed', this._refreshSelector.bind(this));\n $(document).on('done-saving-show-next', this._handleNextUser.bind(this));\n\n // Position the configure filters panel under the link that expands it.\n var toggleLink = this._region.find('[data-region=\"user-filters\"]');\n var configPanel = $(document.getElementById(toggleLink.attr('aria-controls')));\n\n configPanel.on('change', 'select', this._filterChanged.bind(this));\n\n var userid = $('[data-region=\"grading-navigation-panel\"]').data('first-userid');\n if (userid) {\n this._selectUserById(userid);\n }\n\n str.get_string('changeuser', 'mod_assign').done(function(s) {\n autocomplete.enhance('[data-action=change-user]', false, 'mod_assign/participant_selector', s);\n }\n ).fail(notification.exception);\n\n $(document).bind(\"start-loading-user\", function() {\n this._isLoading = true;\n }.bind(this));\n $(document).bind(\"finish-loading-user\", function() {\n this._isLoading = false;\n }.bind(this));\n };\n\n /** @type {Boolean} Boolean tracking active ajax requests. */\n GradingNavigation.prototype._isLoading = false;\n\n /** @type {String} Selector for the page region containing the user navigation. */\n GradingNavigation.prototype._regionSelector = null;\n\n /** @type {Array} The list of active filter keys */\n GradingNavigation.prototype._filters = null;\n\n /** @type {Array} The list of users */\n GradingNavigation.prototype._users = null;\n\n /** @type {JQuery} JQuery node for the page region containing the user navigation. */\n GradingNavigation.prototype._region = null;\n\n /** @type {String} Last active filters */\n GradingNavigation.prototype._lastFilters = '';\n\n /**\n * Load the list of all users for this assignment.\n *\n * @private\n * @method _loadAllUsers\n * @return {Boolean} True if the user list was fetched.\n */\n GradingNavigation.prototype._loadAllUsers = function() {\n var select = this._region.find('[data-action=change-user]');\n var assignmentid = select.attr('data-assignmentid');\n var groupid = select.attr('data-groupid');\n\n var filterPanel = this._region.find('[data-region=\"configure-filters\"]');\n var filter = filterPanel.find('select[name=\"filter\"]').val();\n var workflowFilter = filterPanel.find('select[name=\"workflowfilter\"]');\n if (workflowFilter) {\n filter += ',' + workflowFilter.val();\n }\n var markerFilter = filterPanel.find('select[name=\"markerfilter\"]');\n if (markerFilter) {\n filter += ',' + markerFilter.val();\n }\n\n if (this._lastFilters == filter) {\n return false;\n }\n this._lastFilters = filter;\n\n ajax.call([{\n methodname: 'mod_assign_list_participants',\n args: {assignid: assignmentid, groupid: groupid, filter: '', onlyids: true, tablesort: true},\n done: this._usersLoaded.bind(this),\n fail: notification.exception\n }]);\n return true;\n };\n\n /**\n * Call back to rebuild the user selector and x of y info when the user list is updated.\n *\n * @private\n * @method _usersLoaded\n * @param {Array} users\n */\n GradingNavigation.prototype._usersLoaded = function(users) {\n this._firstLoadUsers = false;\n this._filteredUsers = this._users = users;\n if (this._users.length) {\n // Position the configure filters panel under the link that expands it.\n var toggleLink = this._region.find('[data-region=\"user-filters\"]');\n var configPanel = $(document.getElementById(toggleLink.attr('aria-controls')));\n\n configPanel.find('select[name=\"filter\"]').trigger('change');\n } else {\n this._selectNoUser();\n }\n this._triggerNextUserEvent();\n };\n\n /**\n * Close the configure filters panel if a click is detected outside of it.\n *\n * @private\n * @method _checkClickOutsideConfigureFilters\n * @param {Event} event\n */\n GradingNavigation.prototype._checkClickOutsideConfigureFilters = function(event) {\n var configPanel = this._region.find('[data-region=\"configure-filters\"]');\n\n if (!configPanel.is(event.target) && configPanel.has(event.target).length === 0) {\n var toggleLink = this._region.find('[data-region=\"user-filters\"]');\n\n configPanel.hide();\n configPanel.attr('aria-hidden', 'true');\n toggleLink.attr('aria-expanded', 'false');\n $(document).unbind('click.mod_assign_grading_navigation');\n }\n };\n\n /**\n * Close the configure filters panel if a click is detected outside of it.\n *\n * @private\n * @method _updateFilterPreference\n * @param {Number} userId The current user id.\n * @param {Array} filterList The list of current filter values.\n * @param {Array} preferenceNames The names of the preferences to update\n * @return {Promise} Resolved when all the preferences are updated.\n */\n GradingNavigation.prototype._updateFilterPreferences = function(userId, filterList, preferenceNames) {\n var preferences = [],\n i = 0;\n\n if (filterList.length == 0 || this._firstLoadUsers) {\n // Nothing to update.\n var deferred = $.Deferred();\n deferred.resolve();\n return deferred;\n }\n // General filter.\n // Set the user preferences to the current filters.\n for (i = 0; i < filterList.length; i++) {\n var newValue = filterList[i];\n if (newValue == 'none') {\n newValue = '';\n }\n\n preferences.push({\n userid: userId,\n name: preferenceNames[i],\n value: newValue\n });\n }\n\n return ajax.call([{\n methodname: 'core_user_set_user_preferences',\n args: {\n preferences: preferences\n }\n }])[0];\n };\n /**\n * Turn a filter on or off.\n *\n * @private\n * @method _filterChanged\n * @param {Event} event\n */\n GradingNavigation.prototype._filterChanged = function() {\n // There are 3 types of filter right now.\n var filterPanel = this._region.find('[data-region=\"configure-filters\"]');\n var filters = filterPanel.find('select');\n var preferenceNames = [];\n\n this._filters = [];\n filters.each(function(idx, ele) {\n var element = $(ele);\n this._filters.push(element.val());\n preferenceNames.push('assign_' + element.prop('name'));\n }.bind(this));\n\n // Update the active filter string.\n var filterlist = [];\n filterPanel.find('option:checked').each(function(idx, ele) {\n filterlist[filterlist.length] = $(ele).text();\n });\n if (filterlist.length) {\n this._region.find('[data-region=\"user-filters\"] span').text(filterlist.join(', '));\n } else {\n str.get_string('nofilters', 'mod_assign').done(function(s) {\n this._region.find('[data-region=\"user-filters\"] span').text(s);\n }.bind(this)).fail(notification.exception);\n }\n\n var select = this._region.find('[data-action=change-user]');\n var currentUserID = select.data('currentuserid');\n this._updateFilterPreferences(currentUserID, this._filters, preferenceNames).done(function() {\n // Reload the list of users to apply the new filters.\n if (!this._loadAllUsers()) {\n var userid = parseInt(select.attr('data-selected'));\n var foundIndex = 0;\n // Search the returned users for the current selection.\n $.each(this._filteredUsers, function(index, user) {\n if (userid == user.id) {\n foundIndex = index;\n }\n });\n\n if (this._filteredUsers.length) {\n this._selectUserById(this._filteredUsers[foundIndex].id);\n } else {\n this._selectNoUser();\n }\n\n }\n }.bind(this)).fail(notification.exception);\n this._refreshCount();\n };\n\n /**\n * Select no users, because no users match the filters.\n *\n * @private\n * @method _selectNoUser\n */\n GradingNavigation.prototype._selectNoUser = function() {\n // Detect unsaved changes, and offer to save them - otherwise change user right now.\n if (this._isLoading) {\n return;\n }\n if (checker.checkFormForChanges('[data-region=\"grade-panel\"] .gradeform')) {\n // Form has changes, so we need to confirm before switching users.\n str.get_strings([\n {key: 'unsavedchanges', component: 'mod_assign'},\n {key: 'unsavedchangesquestion', component: 'mod_assign'},\n {key: 'saveandcontinue', component: 'mod_assign'},\n {key: 'cancel', component: 'core'},\n ]).done(function(strs) {\n notification.confirm(strs[0], strs[1], strs[2], strs[3], function() {\n $(document).trigger('save-changes', -1);\n });\n });\n } else {\n $(document).trigger('user-changed', -1);\n }\n };\n\n /**\n * Select the specified user by id.\n *\n * @private\n * @method _selectUserById\n * @param {Number} userid\n */\n GradingNavigation.prototype._selectUserById = function(userid) {\n var select = this._region.find('[data-action=change-user]');\n var useridnumber = parseInt(userid, 10);\n\n // Detect unsaved changes, and offer to save them - otherwise change user right now.\n if (this._isLoading) {\n return;\n }\n if (checker.checkFormForChanges('[data-region=\"grade-panel\"] .gradeform')) {\n // Form has changes, so we need to confirm before switching users.\n str.get_strings([\n {key: 'unsavedchanges', component: 'mod_assign'},\n {key: 'unsavedchangesquestion', component: 'mod_assign'},\n {key: 'saveandcontinue', component: 'mod_assign'},\n {key: 'cancel', component: 'core'},\n ]).done(function(strs) {\n notification.confirm(strs[0], strs[1], strs[2], strs[3], function() {\n $(document).trigger('save-changes', useridnumber);\n });\n });\n } else {\n select.attr('data-selected', userid);\n\n if (!isNaN(useridnumber) && useridnumber > 0) {\n $(document).trigger('user-changed', userid);\n }\n }\n };\n\n /**\n * Expand or collapse the filter config panel.\n *\n * @private\n * @method _toggleExpandFilters\n * @param {Event} event\n */\n GradingNavigation.prototype._toggleExpandFilters = function(event) {\n event.preventDefault();\n var toggleLink = $(event.target).closest('[data-region=\"user-filters\"]');\n var expanded = toggleLink.attr('aria-expanded') == 'true';\n var configPanel = $(document.getElementById(toggleLink.attr('aria-controls')));\n\n if (expanded) {\n configPanel.hide();\n configPanel.attr('aria-hidden', 'true');\n toggleLink.attr('aria-expanded', 'false');\n $(document).unbind('click.mod_assign_grading_navigation');\n } else {\n configPanel.css('display', 'inline-block');\n configPanel.attr('aria-hidden', 'false');\n toggleLink.attr('aria-expanded', 'true');\n event.stopPropagation();\n $(document).on('click.mod_assign_grading_navigation', this._checkClickOutsideConfigureFilters.bind(this));\n }\n };\n\n /**\n * Change to the previous user in the grading list.\n *\n * @private\n * @method _handlePreviousUser\n * @param {Event} e\n */\n GradingNavigation.prototype._handlePreviousUser = function(e) {\n e.preventDefault();\n var select = this._region.find('[data-action=change-user]');\n var currentUserId = select.attr('data-selected');\n var i = 0;\n var currentIndex = 0;\n\n for (i = 0; i < this._filteredUsers.length; i++) {\n if (this._filteredUsers[i].id == currentUserId) {\n currentIndex = i;\n break;\n }\n }\n\n var count = this._filteredUsers.length;\n var newIndex = (currentIndex - 1);\n if (newIndex < 0) {\n newIndex = count - 1;\n }\n\n if (count) {\n this._selectUserById(this._filteredUsers[newIndex].id);\n }\n };\n\n /**\n * Change to the next user in the grading list.\n *\n * @param {Event} e\n * @param {Boolean} saved Has the form already been saved? Skips checking for changes if true.\n */\n GradingNavigation.prototype._handleNextUser = function(e, saved) {\n e.preventDefault();\n var select = this._region.find('[data-action=change-user]');\n var currentUserId = select.attr('data-selected');\n var i = 0;\n var currentIndex = 0;\n\n for (i = 0; i < this._filteredUsers.length; i++) {\n if (this._filteredUsers[i].id == currentUserId) {\n currentIndex = i;\n break;\n }\n }\n\n var count = this._filteredUsers.length;\n var newIndex = (currentIndex + 1) % count;\n\n if (saved && count) {\n // If we've already saved the grade, skip checking if we've made any changes.\n var userid = this._filteredUsers[newIndex].id;\n var useridnumber = parseInt(userid, 10);\n select.attr('data-selected', userid);\n if (!isNaN(useridnumber) && useridnumber > 0) {\n $(document).trigger('user-changed', userid);\n }\n } else if (count) {\n this._selectUserById(this._filteredUsers[newIndex].id);\n }\n };\n\n /**\n * Set count string. This method only sets the value for the last time it was ever called to deal\n * with promises that return in a non-predictable order.\n *\n * @private\n * @method _setCountString\n * @param {Number} x\n * @param {Number} y\n */\n GradingNavigation.prototype._setCountString = function(x, y) {\n var updateNumber = 0;\n this._lastXofYUpdate++;\n updateNumber = this._lastXofYUpdate;\n\n var param = {x: x, y: y};\n str.get_string('xofy', 'mod_assign', param).done(function(s) {\n if (updateNumber == this._lastXofYUpdate) {\n this._region.find('[data-region=\"user-count-summary\"]').text(s);\n }\n }.bind(this)).fail(notification.exception);\n };\n\n /**\n * Rebuild the x of y string.\n *\n * @private\n * @method _refreshCount\n */\n GradingNavigation.prototype._refreshCount = function() {\n var select = this._region.find('[data-action=change-user]');\n var userid = select.attr('data-selected');\n var i = 0;\n var currentIndex = 0;\n\n if (isNaN(userid) || userid <= 0) {\n this._region.find('[data-region=\"user-count\"]').hide();\n } else {\n this._region.find('[data-region=\"user-count\"]').show();\n\n for (i = 0; i < this._filteredUsers.length; i++) {\n if (this._filteredUsers[i].id == userid) {\n currentIndex = i;\n break;\n }\n }\n var count = this._filteredUsers.length;\n if (count) {\n currentIndex += 1;\n }\n this._setCountString(currentIndex, count);\n // Update window URL\n if (currentIndex > 0) {\n var url = new URL(window.location);\n if (parseInt(url.searchParams.get('blindid')) > 0) {\n var newid = this._filteredUsers[currentIndex - 1].recordid;\n url.searchParams.set('blindid', newid);\n } else {\n url.searchParams.set('userid', userid);\n }\n // We do this so a browser refresh will return to the same user.\n window.history.replaceState({}, \"\", url);\n }\n }\n };\n\n /**\n * Respond to a user-changed event by updating the selector.\n *\n * @private\n * @method _refreshSelector\n * @param {Event} event\n * @param {String} userid\n */\n GradingNavigation.prototype._refreshSelector = function(event, userid) {\n var select = this._region.find('[data-action=change-user]');\n userid = parseInt(userid, 10);\n\n if (!isNaN(userid) && userid > 0) {\n select.attr('data-selected', userid);\n }\n this._refreshCount();\n };\n\n /**\n * Trigger the next user event depending on the number of filtered users\n *\n * @private\n * @method _triggerNextUserEvent\n */\n GradingNavigation.prototype._triggerNextUserEvent = function() {\n if (this._filteredUsers.length > 1) {\n $(document).trigger('next-user', {nextUserId: null, nextUser: true});\n } else {\n $(document).trigger('next-user', {nextUser: false});\n }\n };\n\n /**\n * Change to a different user in the grading list.\n *\n * @private\n * @method _handleChangeUser\n * @param {Event} event\n */\n GradingNavigation.prototype._handleChangeUser = function() {\n var select = this._region.find('[data-action=change-user]');\n var userid = parseInt(select.val(), 10);\n\n if (this._isLoading) {\n return;\n }\n if (checker.checkFormForChanges('[data-region=\"grade-panel\"] .gradeform')) {\n // Form has changes, so we need to confirm before switching users.\n str.get_strings([\n {key: 'unsavedchanges', component: 'mod_assign'},\n {key: 'unsavedchangesquestion', component: 'mod_assign'},\n {key: 'saveandcontinue', component: 'mod_assign'},\n {key: 'cancel', component: 'core'},\n ]).done(function(strs) {\n notification.confirm(strs[0], strs[1], strs[2], strs[3], function() {\n $(document).trigger('save-changes', userid);\n });\n });\n } else {\n if (!isNaN(userid) && userid > 0) {\n select.attr('data-selected', userid);\n\n $(document).trigger('user-changed', userid);\n }\n }\n };\n\n return GradingNavigation;\n});\n"],"file":"grading_navigation.min.js"}