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M.gradingform_guideeditor = {'templates' : {}, 'eventhandler' : null, 'name' : null, 'Y' : null};
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/**
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* This function is called for each guideeditor on page.
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*/
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M.gradingform_guideeditor.init = function(Y, options) {
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M.gradingform_guideeditor.name = options.name
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M.gradingform_guideeditor.Y = Y
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M.gradingform_guideeditor.templates[options.name] = {
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'criterion' : options.criteriontemplate,
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'comment' : options.commenttemplate
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}
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M.gradingform_guideeditor.disablealleditors()
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Y.on('click', M.gradingform_guideeditor.clickanywhere, 'body', null)
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YUI().use('event-touch', function (Y) {
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Y.one('body').on('touchstart', M.gradingform_guideeditor.clickanywhere);
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Y.one('body').on('touchend', M.gradingform_guideeditor.clickanywhere);
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})
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M.gradingform_guideeditor.addhandlers()
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};
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// Adds handlers for clicking submit button. This function must be called each time JS adds new elements to html
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M.gradingform_guideeditor.addhandlers = function() {
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var Y = M.gradingform_guideeditor.Y
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var name = M.gradingform_guideeditor.name
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if (M.gradingform_guideeditor.eventhandler) {
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M.gradingform_guideeditor.eventhandler.detach()
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}
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M.gradingform_guideeditor.eventhandler = Y.on('click', M.gradingform_guideeditor.buttonclick, '#guide-'+name+' input[type=submit]', null);
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}
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// switches all input text elements to non-edit mode
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M.gradingform_guideeditor.disablealleditors = function() {
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var Y = M.gradingform_guideeditor.Y
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var name = M.gradingform_guideeditor.name
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Y.all('#guide-'+name+' .criteria .description input[type=text]:not(.pseudotablink)').each( function(node) {M.gradingform_guideeditor.editmode(node, false)} );
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Y.all('#guide-'+name+' .criteria .description textarea').each( function(node) {M.gradingform_guideeditor.editmode(node, false)} );
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Y.all('#guide-'+name+' .comments .description textarea').each( function(node) {M.gradingform_guideeditor.editmode(node, false)} );
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}
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// function invoked on each click on the page. If criterion values are clicked
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// it switches the element to edit mode. If guide button is clicked it does nothing so the 'buttonclick'
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// function is invoked
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M.gradingform_guideeditor.clickanywhere = function(e) {
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if (e.type == 'touchstart') {
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return
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}
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var el = e.target
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// if clicked on button - disablecurrenteditor, continue
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if (el.get('tagName') == 'INPUT' && el.get('type') == 'submit') {
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return
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}
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// if clicked on description item and this item is not enabled - enable it
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var container = null
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if ((container = el.ancestor('.criterionname')) || (container = el.ancestor('.criterionmaxscore'))) {
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el = container.one('input[type=text]')
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} else if ((container = el.ancestor('.criteriondesc')) || (container = el.ancestor('.criteriondescmarkers'))) {
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el = container.one('textarea')
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} else {
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el = null
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}
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if (el) {
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if (el.hasClass('hiddenelement')) {
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M.gradingform_guideeditor.disablealleditors()
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M.gradingform_guideeditor.editmode(el, true)
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}
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return
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}
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// else disablecurrenteditor
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M.gradingform_guideeditor.disablealleditors()
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}
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// switch the criterion item to edit mode or switch back
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M.gradingform_guideeditor.editmode = function(el, editmode) {
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var Y = M.gradingform_guideeditor.Y
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var ta = el
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if (!editmode && ta.hasClass('hiddenelement')) {
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return;
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}
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if (editmode && !ta.hasClass('hiddenelement')) {
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return;
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}
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var pseudotablink = '<span class="pseudotablink" tabindex="0"></span>',
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taplain = ta.next('.plainvalue'),
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tbplain = null,
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tb = el.one('.score input[type=text]')
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// add 'plainvalue' next to textarea for description/definition and next to input text field for score (if applicable)
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if (!taplain && ta.get('name') != '') {
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ta.insert('<div class="plainvalue">'+pseudotablink+'<span class="textvalue"> </span></div>', 'after')
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taplain = ta.next('.plainvalue')
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taplain.one('.pseudotablink').on('focus', M.gradingform_guideeditor.clickanywhere)
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if (tb) {
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tb.get('parentNode').append('<span class="plainvalue">'+pseudotablink+'<span class="textvalue"> </span></span>')
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tbplain = tb.get('parentNode').one('.plainvalue')
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tbplain.one('.pseudotablink').on('focus', M.gradingform_guideeditor.clickanywhere)
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}
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}
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if (tb && !tbplain) {
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tbplain = tb.get('parentNode').one('.plainvalue')
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}
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if (!editmode) {
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// if we need to hide the input fields, copy their contents to plainvalue(s). If description/definition
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// is empty, display the default text ('Click to edit ...') and add/remove 'empty' CSS class to element
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var value = Y.Lang.trim(ta.get('value'));
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if (value.length) {
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taplain.removeClass('empty')
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} else if (ta.get('name').indexOf('[shortname]') > 1){
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value = M.util.get_string('clicktoeditname', 'gradingform_guide')
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taplain.addClass('editname')
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} else {
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value = M.util.get_string('clicktoedit', 'gradingform_guide')
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taplain.addClass('empty')
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}
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// Replace newlines with <br> tags, when displaying in the page.
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taplain.one('.textvalue').set('innerHTML', Y.Escape.html(value).replace(/(?:\r\n|\r|\n)/g, '<br>'))
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if (tb) {
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tbplain.one('.textvalue').set('innerHTML', Y.Escape.html(tb.get('value')))
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}
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// hide/display textarea, textbox and plaintexts
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taplain.removeClass('hiddenelement')
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ta.addClass('hiddenelement')
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if (tb) {
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tbplain.removeClass('hiddenelement')
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tb.addClass('hiddenelement')
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}
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} else {
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// if we need to show the input fields, set the width/height for textarea so it fills the cell
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try {
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if (ta.get('name').indexOf('[maxscore]') > 1) {
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ta.setStyle('width', '25px');
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} else {
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var width = parseFloat(ta.get('parentNode').getComputedStyle('width'))-10,
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height = parseFloat(ta.get('parentNode').getComputedStyle('height'))
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ta.setStyle('width', Math.max(width,50)+'px')
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ta.setStyle('height', Math.max(height,30)+'px')
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}
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}
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catch (err) {
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// this browser do not support 'computedStyle', leave the default size of the textbox
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}
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// hide/display textarea, textbox and plaintexts
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taplain.addClass('hiddenelement')
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ta.removeClass('hiddenelement')
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if (tb) {
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tbplain.addClass('hiddenelement')
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tb.removeClass('hiddenelement')
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}
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}
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// focus the proper input field in edit mode
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if (editmode) {
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ta.focus()
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}
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}
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// handler for clicking on submit buttons within guideeditor element. Adds/deletes/rearranges criteria/comments on client side
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M.gradingform_guideeditor.buttonclick = function(e, confirmed) {
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var Y = M.gradingform_guideeditor.Y
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var name = M.gradingform_guideeditor.name
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if (e.target.get('type') != 'submit') {
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return;
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}
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M.gradingform_guideeditor.disablealleditors()
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var chunks = e.target.get('id').split('-')
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var section = chunks[1]
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var action = chunks[chunks.length-1]
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if (chunks[0] != name || (section != 'criteria' && section != 'comments')) {
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return;
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}
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// prepare the id of the next inserted criterion
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var elements_str;
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if (section == 'criteria') {
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elements_str = '#guide-'+name+' .criteria .criterion'
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} else if (section == 'comments') {
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elements_str = '#guide-'+name+' .comments .criterion'
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}
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var newid = 0;
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if (action == 'addcriterion' || action == 'addcomment') {
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newid = M.gradingform_guideeditor.calculatenewid(elements_str);
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}
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if (chunks.length == 3 && (action == 'addcriterion' || action == 'addcomment')) {
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// ADD NEW CRITERION OR COMMENT
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var parentel = Y.one('#'+name+'-'+section)
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if (parentel.one('>tbody')) {
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parentel = parentel.one('>tbody')
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}
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if (section == 'criteria') {
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var newcriterion = M.gradingform_guideeditor.templates[name]['criterion']
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parentel.append(newcriterion.replace(/\{CRITERION-id\}/g, 'NEWID'+newid).replace(/\{.+?\}/g, ''))
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} else if (section == 'comments') {
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var newcomment = M.gradingform_guideeditor.templates[name]['comment']
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parentel.append(newcomment.replace(/\{COMMENT-id\}/g, 'NEWID'+newid).replace(/\{.+?\}/g, ''))
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}
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M.gradingform_guideeditor.addhandlers();
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M.gradingform_guideeditor.disablealleditors()
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M.gradingform_guideeditor.assignclasses(elements_str)
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// Enable edit mode of the newly added criterion/comment entry.
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var inputTarget = 'shortname';
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if (action == 'addcomment') {
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inputTarget = 'description';
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}
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var inputTargetId = '#guide-' + name + ' #' + name + '-' + section + '-NEWID' + newid + '-' + inputTarget;
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M.gradingform_guideeditor.editmode(Y.one(inputTargetId), true);
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} else if (chunks.length == 4 && action == 'moveup') {
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// MOVE UP
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el = Y.one('#'+name+'-'+section+'-'+chunks[2])
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if (el.previous()) {
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el.get('parentNode').insertBefore(el, el.previous())
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}
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M.gradingform_guideeditor.assignclasses(elements_str)
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} else if (chunks.length == 4 && action == 'movedown') {
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// MOVE DOWN
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el = Y.one('#'+name+'-'+section+'-'+chunks[2])
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if (el.next()) {
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el.get('parentNode').insertBefore(el.next(), el)
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}
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M.gradingform_guideeditor.assignclasses(elements_str)
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} else if (chunks.length == 4 && action == 'delete') {
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// DELETE
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if (confirmed) {
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Y.one('#'+name+'-'+section+'-'+chunks[2]).remove()
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M.gradingform_guideeditor.assignclasses(elements_str)
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} else {
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require(['core/notification', 'core/str'], function(Notification, Str) {
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Notification.saveCancelPromise(
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Str.get_string('confirmation', 'admin'),
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Str.get_string('confirmdeletecriterion', 'gradingform_guide'),
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Str.get_string('yes', 'moodle')
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).then(function() {
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M.gradingform_guideeditor.buttonclick.apply(this, [e, true]);
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return;
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}.bind(this)).catch(function() {
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// User cancelled.
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});
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}.bind(this));
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}
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} else {
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// unknown action
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return;
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}
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e.preventDefault();
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}
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// properly set classes (first/last/odd/even) and/or criterion sortorder for elements Y.all(elements_str)
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M.gradingform_guideeditor.assignclasses = function (elements_str) {
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var elements = M.gradingform_guideeditor.Y.all(elements_str)
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for (var i=0; i<elements.size(); i++) {
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elements.item(i).removeClass('first').removeClass('last').removeClass('even').removeClass('odd').
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addClass(((i%2)?'odd':'even') + ((i==0)?' first':'') + ((i==elements.size()-1)?' last':''))
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elements.item(i).all('input[type=hidden]').each(
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function(node) {if (node.get('name').match(/sortorder/)) { node.set('value', i)}}
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);
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}
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}
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// returns unique id for the next added element, it should not be equal to any of Y.all(elements_str) ids
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M.gradingform_guideeditor.calculatenewid = function (elements_str) {
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var newid = 1
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M.gradingform_guideeditor.Y.all(elements_str).each( function(node) {
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var idchunks = node.get('id').split('-'), id = idchunks.pop();
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if (id.match(/^NEWID(\d+)$/)) { newid = Math.max(newid, parseInt(id.substring(5))+1)};
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} );
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return newid
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}
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