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speed_grader.js
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speed_grader.js
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/**
* Copyright (C) 2011 Instructure, Inc.
*
* This file is part of Canvas.
*
* Canvas is free software: you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License as published by the Free
* Software Foundation, version 3 of the License.
*
* Canvas 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 Affero General Public License for more
* details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
define([
'INST' /* INST */,
'i18n!gradebook',
'jquery' /* $ */,
'compiled/userSettings',
'str/htmlEscape',
'rubric_assessment',
'jst/_turnitinInfo',
'jst/_turnitinScore',
'ajax_errors' /* INST.log_error */,
'jqueryui/draggable' /* /\.draggable/ */,
'jquery.ajaxJSON' /* getJSON, ajaxJSONFiles, ajaxJSON */,
'jquery.doc_previews' /* loadDocPreview */,
'jquery.instructure_date_and_time' /* parseFromISO */,
'jqueryui/dialog',
'jquery.instructure_misc_helpers' /* replaceTags */,
'jquery.instructure_misc_plugins' /* confirmDelete, showIf, hasScrollbar */,
'jquery.keycodes' /* keycodes */,
'jquery.loadingImg' /* loadingImg, loadingImage */,
'jquery.shake' /* /\.shake/ */,
'jquery.templateData' /* fillTemplateData, getTemplateData */,
'media_comments' /* mediaComment, mediaCommentThumbnail */,
'vendor/jquery.ba-hashchange' /* hashchange */,
'vendor/jquery.elastic' /* elastic */,
'vendor/jquery.getScrollbarWidth' /* getScrollbarWidth */,
'vendor/jquery.scrollTo' /* /\.scrollTo/ */,
'vendor/jquery.spin' /* /\.spin/ */,
'vendor/scribd.view' /* scribd */,
'vendor/spin' /* new Spinner */,
'vendor/ui.selectmenu' /* /\.selectmenu/ */
], function(INST, I18n, $, userSettings, htmlEscape, rubricAssessment, turnitinInfoTemplate, turnitinScoreTemplate) {
// fire off the request to get the jsonData
window.jsonData = {};
$.ajaxJSON(window.location.pathname+ '.json' + window.location.search, 'GET', {}, function(json) {
jsonData = json;
$(EG.jsonReady);
});
// ...and while we wait for that, get this stuff ready
// PRIVATE VARIABLES AND FUNCTIONS
// all of the $ variables here are to speed up access to dom nodes,
// so that the jquery selector does not have to be run every time.
// note, this assumes that this js file is being loaded at the bottom of the page
// so that all these dom nodes already exists.
var $window = $(window),
$body = $("body"),
$full_width_container =$("#full_width_container"),
$left_side = $("#left_side"),
$resize_overlay = $("#resize_overlay"),
$right_side = $("#right_side"),
$width_resizer = $("#width_resizer"),
$gradebook_header = $("#gradebook_header"),
assignmentUrl = $("#assignment_url").attr('href'),
$full_height = $(".full_height"),
$rightside_inner = $("#rightside_inner"),
$comments = $("#comments"),
$comment_blank = $("#comment_blank").removeAttr('id').detach(),
$comment_attachment_blank = $("#comment_attachment_blank").removeAttr('id').detach(),
$comment_media_blank = $("#comment_media_blank").removeAttr('id').detach(),
$add_a_comment = $("#add_a_comment"),
$add_a_comment_submit_button = $add_a_comment.find("button"),
$add_a_comment_textarea = $add_a_comment.find("textarea"),
$group_comment_wrapper = $("#group_comment_wrapper"),
$comment_attachment_input_blank = $("#comment_attachment_input_blank").detach(),
fileIndex = 1,
$add_attachment = $("#add_attachment"),
minimumWindowHeight = 500,
$submissions_container = $("#submissions_container"),
$iframe_holder = $("#iframe_holder"),
$avatar_image = $("#avatar_image"),
$x_of_x_students = $("#x_of_x_students span"),
$grded_so_far = $("#x_of_x_graded span:first"),
$average_score = $("#average_score"),
$this_student_does_not_have_a_submission = $("#this_student_does_not_have_a_submission").hide(),
$this_student_has_a_submission = $('#this_student_has_a_submission').hide(),
$rubric_assessments_select = $("#rubric_assessments_select"),
$rubric_summary_container = $("#rubric_summary_container"),
$rubric_holder = $("#rubric_holder"),
$grade_container = $("#grade_container"),
$grade = $grade_container.find("input, select"),
$score = $grade_container.find(".score"),
$average_score_wrapper = $("#average_score_wrapper"),
$submission_details = $("#submission_details"),
$single_submission = $("#single_submission"),
$single_submission_submitted_at = $("#single_submission_submitted_at"),
$multiple_submissions = $("#multiple_submissions"),
$submission_late_notice = $("#submission_late_notice"),
$submission_not_newest_notice = $("#submission_not_newest_notice"),
$submission_files_container = $("#submission_files_container"),
$submission_files_list = $("#submission_files_list"),
$submission_file_hidden = $("#submission_file_hidden").removeAttr('id').detach(),
$submission_to_view = $("#submission_to_view"),
$assignment_submission_url = $("#assignment_submission_url"),
$assignment_submission_turnitin_report_url = $("#assignment_submission_turnitin_report_url"),
$assignment_submission_resubmit_to_turnitin_url = $("#assignment_submission_resubmit_to_turnitin_url"),
$rubric_full = $("#rubric_full"),
$rubric_full_resizer_handle = $("#rubric_full_resizer_handle"),
$mute_link = $('#mute_link'),
$selectmenu = null,
broswerableCssClasses = /^(image|html|code)$/,
windowLastHeight = null,
resizeTimeOut = null,
iframes = {},
snapshotCache = {},
sectionToShow,
header,
utils;
utils = {
getParam: function(name){
var pathRegex = new RegExp(name + '\/([^\/]+)'),
searchRegex = new RegExp(name + '=([^&]+)'),
match;
match = (window.location.pathname.match(pathRegex) || window.location.search.match(searchRegex));
if (!match) return false;
return match[1];
}
};
function mergeStudentsAndSubmission(){
jsonData.studentsWithSubmissions = jsonData.context.students;
$.each(jsonData.studentsWithSubmissions, function(i, student){
this.section_ids = $.map($.grep(jsonData.context.enrollments, function(enrollment, i){
return enrollment.user_id === student.id;
}), function(enrollment){
return enrollment.course_section_id;
});
this.submission = $.grep(jsonData.submissions, function(submission, i){
return submission.user_id === student.id;
})[0];
this.rubric_assessments = $.grep(visibleRubricAssessments, function(rubricAssessment, i){
return rubricAssessment.user_id === student.id;
});
});
// handle showing students only in a certain section.
// the sectionToShow will be remembered for a given user in a given browser across all assignments in this course
sectionToShow = userSettings.contextGet('grading_show_only_section');
if (sectionToShow) {
var tempArray = $.grep(jsonData.studentsWithSubmissions, function(student, i){
return $.inArray(sectionToShow, student.section_ids) != -1;
});
if (tempArray.length) {
jsonData.studentsWithSubmissions = tempArray;
} else {
alert(I18n.t('alerts.no_students_in_section', "Could not find any students in that section, falling back to showing all sections."));
userSettings.contextRemove('grading_show_only_section');
window.location.reload();
}
}
//by defaut the list is sorted alphbetically by student last name so we dont have to do any more work here,
// if the cookie to sort it by submitted_at is set we need to sort by submitted_at.
var hideStudentNames;
if (userSettings.get("eg_hide_student_names")) {
hideStudentNames = true;
}
if(hideStudentNames) {
jsonData.studentsWithSubmissions.sort(function(a,b){
return ((a && a.submission && a.submission.id) || Number.MAX_VALUE) -
((b && b.submission && b.submission.id) || Number.MAX_VALUE);
});
} else if (userSettings.get("eg_sort_by") == "submitted_at") {
jsonData.studentsWithSubmissions.sort(function(a,b){
return ((a && a.submission && a.submission.submitted_at && $.parseFromISO(a.submission.submitted_at).timestamp) || Number.MAX_VALUE) -
((b && b.submission && b.submission.submitted_at && $.parseFromISO(b.submission.submitted_at).timestamp) || Number.MAX_VALUE);
});
} else if (userSettings.get("eg_sort_by") == "submission_status") {
jsonData.studentsWithSubmissions.sort(function(a,b) {
var states = {
"not_graded": 1,
"resubmitted": 2,
"not_submitted": 3,
"graded": 4
};
var stateA = submissionStateName(a.submission);
var stateB = submissionStateName(b.submission);
return states[stateA] - states[stateB];
});
}
}
function submissionStateName(submission) {
if (submission && submission.workflow_state != 'unsubmitted' && (submission.submitted_at || !(typeof submission.grade == 'undefined'))) {
if (typeof submission.grade == 'undefined' || submission.grade === null || submission.workflow_state == 'pending_review') {
return "not_graded";
} else if (submission.grade_matches_current_submission) {
return "graded";
} else {
return "resubmitted";
}
} else {
return "not_submitted";
}
}
function classNameBasedOnStudent(student){
var raw = submissionStateName(student.submission);
var formatted = raw.replace("_", " ");
if (raw === "resubmitted") {
formatted = I18n.t('graded_then_resubmitted', "graded, then resubmitted (%{when})", {'when': $.parseFromISO(student.submission.submitted_at).datetime_formatted});
}
return {raw: raw, formatted: formatted};
}
function initDropdown(){
var hideStudentNames;
if (userSettings.get("eg_hide_student_names") || window.anonymousAssignment) {
hideStudentNames = true;
}
$("#hide_student_names").attr('checked', hideStudentNames);
var options = $.map(jsonData.studentsWithSubmissions, function(s, idx){
var name = htmlEscape(s.name),
className = classNameBasedOnStudent(s);
if(hideStudentNames) {
name = I18n.t('nth_student', "Student %{n}", {'n': idx + 1});
}
return '<option value="' + s.id + '" class="' + className.raw + '">' + name + ' ---- ' + className.formatted +'</option>';
}).join("");
$selectmenu = $("<select id='students_selectmenu'>" + options + "</select>")
.appendTo("#combo_box_container")
.selectmenu({
style:'dropdown',
format: function(text){
var parts = text.split(" ---- ");
return '<span class="ui-selectmenu-item-header">' + htmlEscape(parts[0]) + '</span><span class="ui-selectmenu-item-footer">' + parts[1] + '</span>';
},
icons: [
{find: '.graded'},
{find: '.not_graded'},
{find: '.not_submitted'},
{find: '.resubmitted'}
]
}).change(function(e){
EG.handleStudentChanged();
});
if (jsonData.context.active_course_sections.length && jsonData.context.active_course_sections.length > 1) {
var $selectmenu_list = $selectmenu.data('selectmenu').list,
$menu = $("#section-menu");
$menu.find('ul').append($.map(jsonData.context.active_course_sections, function(section, i){
return '<li><a class="section_' + section.id + '" data-section-id="'+ section.id +'" href="#">'+ section.name +'</a></li>';
}).join(''));
$menu.insertBefore($selectmenu_list).bind('mouseenter mouseleave', function(event){
$(this)
.toggleClass('ui-selectmenu-item-selected ui-selectmenu-item-focus ui-state-hover', event.type == 'mouseenter')
.find('ul').toggle(event.type == 'mouseenter');
})
.find('ul')
.hide()
.menu()
.delegate('a', 'click mousedown', function(){
userSettings[$(this).data('section-id') == 'all' ? 'contextRemove' : 'contextSet']('grading_show_only_section', $(this).data('section-id'));
window.location.reload();
});
if (sectionToShow) {
var text = $.map(jsonData.context.active_course_sections, function(section){
if (section.id == sectionToShow) { return section.name; }
}).join(', ');
$("#section_currently_showing").text(text);
$menu.find('ul li a')
.removeClass('selected')
.filter('[data-section-id='+ sectionToShow +']')
.addClass('selected');
}
$selectmenu.selectmenu( 'option', 'open', function(){
$selectmenu_list.find('li:first').css('margin-top', $selectmenu_list.find('li').height() + 'px');
$menu.show().css({
'left' : $selectmenu_list.css('left'),
'top' : $selectmenu_list.css('top'),
'width' : $selectmenu_list.width() - ($selectmenu_list.hasScrollbar() && $.getScrollbarWidth()),
'z-index': Number($selectmenu_list.css('z-index')) + 1
});
}).selectmenu( 'option', 'close', function(){
$menu.hide();
});
}
}
header = {
elements: {
mute: {
icon: $('#mute_link .ui-icon'),
label: $('#mute_link .label'),
link: $('#mute_link'),
modal: $('#mute_dialog')
},
nav: $gradebook_header.find('.prev, .next'),
spinner: new Spinner({
length: 2,
radius: 3,
trail: 25,
width: 1
}),
settings: {
form: $('#settings_form'),
link: $('#settings_link')
}
},
courseId: utils.getParam('courses'),
assignmentId: utils.getParam('assignment_id'),
init: function(){
this.muted = this.elements.mute.link.data('muted');
this.addEvents();
this.createModals();
this.addSpinner();
return this;
},
addEvents: function(){
this.elements.nav.click($.proxy(this.toAssignment, this));
this.elements.mute.link.click($.proxy(this.onMuteClick, this));
this.elements.settings.form.submit($.proxy(this.submitForm, this));
this.elements.settings.link.click($.proxy(this.showSettingsModal, this));
},
addSpinner: function(){
this.elements.mute.link.append(this.elements.spinner.el);
},
createModals: function(){
var cancelLabel = I18n.t('cancel_button', 'Cancel'),
muteLabel = I18n.t('mute_assignment', 'Mute Assignment'),
buttons = {};
var buttons = {};
buttons[muteLabel] = $.proxy(function(){
this.toggleMute();
this.elements.mute.modal.dialog('close');
}, this);
buttons[cancelLabel] = $.proxy(function(){ this.elements.mute.modal.dialog('close'); }, this);
this.elements.settings.form.dialog({
autoOpen: false,
modal: true,
resizable: false,
width: 400
});
// FF hack - when reloading the page, firefox seems to "remember" the disabled state of this
// button. So here we'll manually re-enable it.
this.elements.settings.form.find(".submit_button").removeAttr('disabled')
this.elements.mute.modal.dialog({
autoOpen: false,
buttons: buttons,
modal: true,
resizable: false,
title: this.elements.mute.modal.data('title'),
width: 400
});
},
toAssignment: function(e){
e.preventDefault();
EG[e.target.getAttribute('class')]();
},
submitForm: function(e){
userSettings.set('eg_sort_by', $('#eg_sort_by').val());
userSettings.set('eg_hide_student_names', $("#hide_student_names").prop('checked'));
$(e.target).find(".submit_button").attr('disabled', true).text(I18n.t('buttons.saving_settings', "Saving Settings..."));
window.location.reload();
return false;
},
showSettingsModal: function(e){
this.elements.settings.form.dialog('close').dialog({
modal: true,
resizeable: false,
width: 400
}).dialog('open');
},
onMuteClick: function(e){
e.preventDefault();
this.muted ? this.toggleMute() : this.elements.mute.modal.dialog('open');
},
muteUrl: function(){
return '/courses/' + this.courseId + '/assignments/' + this.assignmentId + '/mute';
},
spinMute: function(){
this.elements.spinner.spin();
$(this.elements.spinner.el)
.css({ left: 9, top: 6})
.appendTo(this.elements.mute.link);
},
toggleMute: function(){
this.muted = !this.muted;
var label = this.muted ? I18n.t('unmute_assignment', 'Unmute Assignment') : I18n.t('mute_assignment', 'Mute Assignment');
action = this.muted ? 'mute' : 'unmute',
actions = {
/* Mute action */
mute: function(){
this.elements.mute.icon.css('visibility', 'hidden');
this.spinMute();
$.ajaxJSON(this.muteUrl(), 'put', { status: true }, $.proxy(function(res){
this.elements.spinner.stop();
this.elements.mute.label.html(label);
this.elements.mute.icon
.removeClass('ui-icon-volume-off')
.addClass('ui-icon-volume-on')
.css('visibility', 'visible');
}, this));
},
/* Unmute action */
unmute: function(){
this.elements.mute.icon.css('visibility', 'hidden');
this.spinMute();
$.ajaxJSON(this.muteUrl(), 'put', { status: false }, $.proxy(function(res){
this.elements.spinner.stop();
this.elements.mute.label.html(label);
this.elements.mute.icon
.removeClass('ui-icon-volume-on')
.addClass('ui-icon-volume-off')
.css('visibility', 'visible');
}, this));
}
};
actions[action].apply(this);
}
};
function initCommentBox(){
//initialize the auto height resizing on the textarea
$('#add_a_comment textarea').elastic({
callback: EG.resizeFullHeight
});
$(".media_comment_link").click(function(event) {
event.preventDefault();
$("#media_media_recording").show().find(".media_recording").mediaComment('create', 'any', function(id, type) {
$("#media_media_recording").data('comment_id', id).data('comment_type', type);
EG.handleCommentFormSubmit();
}, function() {
EG.revertFromFormSubmit();
}, true);
EG.resizeFullHeight();
});
$("#media_recorder_container a").live('click', hideMediaRecorderContainer);
// handle speech to text for browsers that can (right now only chrome)
function browserSupportsSpeech(){
var elem = document.createElement('input');
// chrome 10 advertises support but it LIES!!! doesn't work till chrome 11
var support = ('onwebkitspeechchange' in elem || 'speech' in elem) && !navigator.appVersion.match(/Chrome\/10/);
return support;
}
if (browserSupportsSpeech()) {
$(".speech_recognition_link").click(function() {
$('<input style="font-size: 30px;" speech x-webkit-speech />')
.dialog({
title: I18n.t('titles.click_to_record', "Click the mic to record your comments"),
open: function(){
$(this).width(100);
}
})
.bind('webkitspeechchange', function(){
$add_a_comment_textarea.val($(this).val());
$(this).dialog('close').remove();
});
return false;
})
// show the li that contains the button because it is hidden from browsers that dont support speech
.closest('li').show();
}
}
function hideMediaRecorderContainer(){
$("#media_media_recording").hide().removeData('comment_id').removeData('comment_type');
EG.resizeFullHeight();
}
function isAssessmentEditableByMe(assessment){
//if the assessment is mine or I can :manage_course then it is editable
if (!assessment || assessment.assessor_id === ENV.RUBRIC_ASSESSMENT.assessor_id ||
(ENV.RUBRIC_ASSESSMENT.assessment_type == 'grading' && assessment.assessment_type == 'grading')
){
return true;
}
return false;
}
function getSelectedAssessment(){
return $.grep(EG.currentStudent.rubric_assessments, function(n,i){
return n.id == $rubric_assessments_select.val();
})[0];
}
function initRubricStuff(){
$("#rubric_summary_container .button-container").appendTo("#rubric_assessments_list_and_edit_button_holder").find('.edit').text(I18n.t('edit_view_rubric', "View Rubric"));
$(".toggle_full_rubric, .hide_rubric_link").click(function(e){
e.preventDefault();
EG.toggleFullRubric();
});
$rubric_assessments_select.change(function(){
var selectedAssessment = getSelectedAssessment();
rubricAssessment.populateRubricSummary($("#rubric_summary_holder .rubric_summary"), selectedAssessment, isAssessmentEditableByMe(selectedAssessment));
EG.resizeFullHeight();
});
$rubric_full_resizer_handle.draggable({
axis: 'x',
cursor: 'crosshair',
scroll: false,
containment: '#left_side',
snap: '#full_width_container',
appendTo: '#full_width_container',
start: function(){
$rubric_full_resizer_handle.draggable( 'option', 'minWidth', $right_side.width() );
},
helper: function(){
return $rubric_full_resizer_handle.clone().addClass('clone');
},
drag: function(event, ui) {
var offset = ui.offset,
windowWidth = $window.width();
$rubric_full.width(windowWidth - offset.left);
$rubric_full_resizer_handle.css("left","0");
EG.resizeFullHeight();
},
stop: function(event, ui) {
event.stopImmediatePropagation();
}
});
$(".save_rubric_button").click(function() {
var $rubric = $(this).parents("#rubric_holder").find(".rubric");
var data = rubricAssessment.assessmentData($rubric);
var url = $(".update_rubric_assessment_url").attr('href');
var method = "POST";
EG.toggleFullRubric();
$(".rubric_summary").loadingImage();
$.ajaxJSON(url, method, data, function(response) {
var found = false;
if(response && response.rubric_association) {
rubricAssessment.updateRubricAssociation($rubric, response.rubric_association);
delete response.rubric_association;
}
for (var i in EG.currentStudent.rubric_assessments) {
if (response.id === EG.currentStudent.rubric_assessments[i].id) {
$.extend(true, EG.currentStudent.rubric_assessments[i], response);
found = true;
continue;
}
}
if (!found) {
EG.currentStudent.rubric_assessments.push(response);
}
// if this student has a submission, update it with the data returned, otherwise we need to create a submission for them
EG.setOrUpdateSubmission(response.artifact);
// this next part will take care of group submissions, so that when one member of the group gets assessesed then everyone in the group will get that same assessment.
$.each(response.related_group_submissions_and_assessments, function(i,submissionAndAssessment){
//setOrUpdateSubmission returns the student. so we can set student.rubric_assesments
// submissionAndAssessment comes back with :include_root => true, so we have to get rid of the root
var student = EG.setOrUpdateSubmission(response.artifact);
student.rubric_assessments = $.map(submissionAndAssessment.rubric_assessments, function(ra){return ra.rubric_assessment;});
});
$(".rubric_summary").loadingImage('remove');
EG.showGrade();
EG.showDiscussion();
EG.showRubric();
EG.updateStatsInHeader();
});
});
}
function initKeyCodes(){
$window.keycodes({keyCodes: "j k p n c r g", ignore: 'input, textarea, embed, object'}, function(event) {
event.preventDefault();
event.stopPropagation();
//Prev()
if(event.keyString == "j" || event.keyString == "p") {
EG.prev();
}
//next()
else if(event.keyString == "k" || event.keyString == "n") {
EG.next();
}
//comment
else if(event.keyString == "f" || event.keyString == "c") {
$add_a_comment_textarea.focus();
}
// focus on grade
else if(event.keyString == "g") {
$grade.focus();
}
// focus on rubric
else if(event.keyString == "r") {
EG.toggleFullRubric();
}
});
$(window).shake($.proxy(EG.next, EG));
}
function resizingFunction(){
var windowHeight = $window.height(),
delta,
deltaRemaining,
headerOffset = $right_side.offset().top,
fullHeight = Math.max(minimumWindowHeight, windowHeight) - headerOffset,
resizableElements = [
{ element: $submission_files_list, data: { newHeight: 0 } },
{ element: $rubric_summary_container, data: { newHeight: 0 } },
{ element: $comments, data: { newHeight: 0 } }
],
visibleResizableElements = $.grep(resizableElements, function(e, i){
return e && e.element.is(':visible');
});
$rubric_full.css({ 'maxHeight': fullHeight - 50, 'overflow': 'auto' });
$.each(visibleResizableElements, function(){
this.data.autoHeight = this.element.height("auto").height();
this.element.height(0);
});
var spaceLeftForResizables = fullHeight - $rightside_inner.height("auto").height() - $add_a_comment.outerHeight();
$full_height.height(fullHeight);
delta = deltaRemaining = spaceLeftForResizables;
var step = 1;
var didNothing;
if (delta > 0) { //the page got bigger
while(deltaRemaining > 0){
didNothing = true;
var shortestElementHeight = 10000000;
var shortestElement = null;
$.each(visibleResizableElements, function(){
if (this.data.newHeight < shortestElementHeight && this.data.newHeight < this.data.autoHeight) {
shortestElement = this;
shortestElementHeight = this.data.newHeight;
}
});
if (shortestElement) {
shortestElement.data.newHeight = shortestElementHeight + step;
deltaRemaining = deltaRemaining - step;
didNothing = false;
}
if (didNothing) {
break;
}
}
}
else { //the page got smaller
var tallestElementHeight, tallestElement;
while(deltaRemaining < 0){
didNothing = true;
tallestElementHeight = 0;
tallestElement = null;
$.each(visibleResizableElements, function(){
if (this.data.newHeight > 30 > tallestElementHeight && this.data.newHeight >= this.data.autoHeight ) {
tallestElement = this;
tallestElementHeight = this.data.newHeight;
}
});
if (tallestElement) {
tallestElement.data.newHeight = tallestElementHeight - step;
deltaRemaining = deltaRemaining + step;
didNothing = false;
}
if (didNothing) {
break;
}
}
}
$.each(visibleResizableElements, function(){
this.element.height(this.data.newHeight);
});
if (deltaRemaining > 0) {
$comments.height( windowHeight - Math.floor($comments.offset().top) - $add_a_comment.outerHeight() );
}
// This will cause the page to flicker in firefox if there is a scrollbar in both the comments and the rubric summary.
// I would like it not to, I tried setTimeout(function(){ $comments.scrollTop(1000000); }, 800); but that still doesnt work
if(!INST.browser.ff && $comments.height() > 100) {
$comments.scrollTop(1000000);
}
}
$.extend(INST, {
refreshGrades: function(){
var url = unescape($assignment_submission_url.attr('href')).replace("{{submission_id}}", EG.currentStudent.submission.user_id) + ".json";
$.getJSON( url,
function(data){
EG.currentStudent.submission = data.submission;
EG.showGrade();
});
},
refreshQuizSubmissionSnapshot: function(data) {
snapshotCache[data.user_id + "_" + data.version_number] = data;
if(data.last_question_touched) {
INST.lastQuestionTouched = data.last_question_touched;
}
},
clearQuizSubmissionSnapshot: function(data) {
snapshotCache[data.user_id + "_" + data.version_number] = null;
},
getQuizSubmissionSnapshot: function(user_id, version_number) {
return snapshotCache[user_id + "_" + version_number];
}
});
window.onbeforeunload = function() {
window.opener && window.opener.updateGrades && $.isFunction(window.opener.updateGrades) && window.opener.updateGrades();
var userNamesWithPendingQuizSubmission = $.map(snapshotCache, function(snapshot) {
return snapshot && $.map(jsonData.context.students, function(student) {
return (snapshot == student) && student.name;
})[0];
})
hasPendingQuizSubmissions = (function(){
var ret = false;
if (userNamesWithPendingQuizSubmission.length){
for (var i = 0, max = userNamesWithPendingQuizSubmission.length; i < max; i++){
if (userNamesWithPendingQuizSubmission[i] !== false) { ret = true; }
}
}
return ret;
})();
if (hasPendingQuizSubmissions) {
return I18n.t('confirms.unsaved_changes', "The following students have unsaved changes to their quiz submissions: \n\n %{users}\nContinue anyway?", {'users': userNamesWithPendingQuizSubmission.join('\n ')});
}
};
// Public Variables and Methods
var EG = {
options: {},
publicVariable: [],
scribdDoc: null,
currentStudent: null,
domReady: function(){
//attach to window resize and
$window.bind('resize orientationchange', EG.resizeFullHeight).resize();
function makeFullWidth(){
$full_width_container.addClass("full_width");
$left_side.css("width",'');
$right_side.css("width",'');
}
$(document).mouseup(function(event){
$resize_overlay.hide();
});
// it should disappear before it's clickable, but just in case...
$resize_overlay.click(function(event){
$(this).hide();
});
$width_resizer.mousedown(function(event){
$resize_overlay.show();
}).draggable({
axis: 'x',
cursor: 'crosshair',
scroll: false,
containment: '#full_width_container',
snap: '#full_width_container',
appendTo: '#full_width_container',
helper: function(){
return $width_resizer.clone().addClass('clone');
},
snapTolerance: 200,
drag: function(event, ui) {
var offset = ui.offset,
windowWidth = $window.width();
$left_side.width(offset.left / windowWidth * 100 + "%" );
$right_side.width(100 - offset.left / windowWidth * 100 + '%' );
$width_resizer.css("left","0");
if (windowWidth - offset.left < $(this).draggable('option', 'snapTolerance') ) {
makeFullWidth();
}
else {
$full_width_container.removeClass("full_width");
}
if (offset.left < $(this).draggable('option', 'snapTolerance')) {
$left_side.width("0%" );
$right_side.width('100%');
}
EG.resizeFullHeight();
},
stop: function(event, ui) {
event.stopImmediatePropagation();
$resize_overlay.hide();
}
}).click(function(event){
event.preventDefault();
if ($full_width_container.hasClass("full_width")) {
$full_width_container.removeClass("full_width");
}
else {
makeFullWidth();
$(this).addClass('highlight', 100, function(){
$(this).removeClass('highlight', 4000);
});
}
});
$grade.change(EG.handleGradeSubmit);
$submission_to_view.change(function(){
if (typeof EG.currentStudent.submission == 'undefined') EG.currentStudent.submission = {};
EG.currentStudent.submission.currentSelectedIndex = parseInt($(this).val(), 10);
EG.handleSubmissionSelectionChange();
});
initRubricStuff();
initCommentBox();
EG.initComments();
header.init();
initKeyCodes();
$window.bind('hashchange', EG.handleFragmentChange);
$('#eg_sort_by').val(userSettings.get('eg_sort_by'));
$('#submit_same_score').click(function(e) {
EG.handleGradeSubmit();
e.preventDefault();
});
},
jsonReady: function(){
//this runs after the request to get the jsonData comes back
mergeStudentsAndSubmission();
if (!jsonData.studentsWithSubmissions.length) {
alert(I18n.t('alerts.no_active_students', "Sorry, there are either no active students in the course or none are gradable by you."))
window.history.back();
} else {
$("#speed_grader_loading").hide();
$("#gradebook_header, #full_width_container").show();
initDropdown();
EG.handleFragmentChange();
}
},
skipRelativeToCurrentIndex: function(offset){
var newIndex = (this.currentIndex() + offset+ jsonData.studentsWithSubmissions.length) % jsonData.studentsWithSubmissions.length;
this.goToStudent(jsonData.studentsWithSubmissions[newIndex].id);
},
next: function(){
this.skipRelativeToCurrentIndex(1);
},
prev: function(){
this.skipRelativeToCurrentIndex(-1);
},
resizeFullHeight: function(){
if (resizeTimeOut) {
clearTimeout(resizeTimeOut);
}
resizeTimeOut = setTimeout(resizingFunction, 0);
},
toggleFullRubric: function(force){
//if there is no rubric associated with this assignment, then the edit rubric thing should never be shown.
//the view should make sure that the edit rubric html is not even there but we also want to
//make sure that pressing "r" wont make it appear either
if (!jsonData.rubric_association){ return false; }
if ($rubric_full.filter(":visible").length || force === "close") {
$("#grading").height("auto").children().show();
$rubric_full.fadeOut();
this.resizeFullHeight();
}
else {
$rubric_full.fadeIn();
$("#grading").children().hide();
this.refreshFullRubric();
}
},
refreshFullRubric: function() {
if (!jsonData.rubric_association) { return; }
if (!$rubric_full.filter(":visible").length) { return; }
rubricAssessment.populateRubric($rubric_full.find(".rubric"), getSelectedAssessment() );
$("#grading").height($rubric_full.height());
this.resizeFullHeight();
},
handleFragmentChange: function(){
var hash;
try {
hash = JSON.parse(decodeURIComponent(document.location.hash.substr(1))); //get rid of the first charicter "#" of the hash
} catch(e) {}
if (!hash) {
hash = {};
}
//if there is not a valid student_id in the location.hash then force it to be the first student in the class with an assignment to grade.
if (typeof(hash.student_id) != "number" ||
!$.grep(jsonData.studentsWithSubmissions, function(s){
return hash.student_id == s.id;}).length) {
hash.student_id = jsonData.studentsWithSubmissions[0].id;
for (var i = 0, max = jsonData.studentsWithSubmissions.length; i < max; i++){
if (typeof jsonData.studentsWithSubmissions[i].submission !== 'undefined' && jsonData.studentsWithSubmissions[i].submission.workflow_state !== 'graded'){
hash.student_id = jsonData.studentsWithSubmissions[i].id;
break;
}
}
}
EG.goToStudent(hash.student_id);
},
goToStudent: function(student_id){
var student = $.grep(jsonData.studentsWithSubmissions, function(o){
return o.id === student_id;
})[0];
if (student) {
$selectmenu.selectmenu("value", student.id);
//this is lame but I have to manually tell $selectmenu to fire its 'change' event if has changed.
if (!this.currentStudent || (this.currentStudent.id != student.id)) {
$selectmenu.change();
}
if (student.avatar_path) {
// If there's any kind of delay in loading the user's avatar, it's
// better to show a blank image than the previous student's image.
$new_image = $avatar_image.clone();
$avatar_image.after($new_image.attr('src', student.avatar_path)).remove();
$avatar_image = $new_image;
}
}
},
currentIndex: function(){
return $.inArray(this.currentStudent, jsonData.studentsWithSubmissions);
},
handleStudentChanged: function(){
var id = parseInt( $selectmenu.val(), 10 );
this.currentStudent = $.grep(jsonData.studentsWithSubmissions, function(o){
return o.id === id;
})[0];
document.location.hash = "#" + encodeURIComponent(JSON.stringify({
"student_id": this.currentStudent.id
}));
this.showGrade();
this.showDiscussion();
this.showRubric();
this.updateStatsInHeader();
this.showSubmissionDetails();
this.refreshFullRubric();
},
populateTurnitin: function(submission, assetString, turnitinAsset, $turnitinScoreContainer, $turnitinInfoContainer, isMostRecent) {
var $turnitinSimilarityScore = null;
// build up new values based on this asset
if (turnitinAsset.status == 'scored' || (turnitinAsset.status == null && turnitinAsset.similarity_score != null)) {
$turnitinScoreContainer.html(turnitinScoreTemplate({
state: (turnitinAsset.state || 'no') + '_score',
reportUrl: $.replaceTags($assignment_submission_turnitin_report_url.attr('href'), { user_id: submission.user_id, asset_string: assetString }),
tooltip: I18n.t('turnitin.tooltip.score', 'Turnitin Similarity Score - See detailed report'),
score: turnitinAsset.similarity_score + '%'
}));
} else if (turnitinAsset.status) {
// status == 'error' or status == 'pending'
var pendingTooltip = I18n.t('turnitin.tooltip.pending', 'Turnitin Similarity Score - Submission pending'),
errorTooltip = I18n.t('turnitin.tooltip.error', 'Turnitin Similarity Score - See submission error details');