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1 M.gradingform_rubriceditor = {'templates' : {}, 'eventhandler' : null, 'name' : null, 'Y' : null}; 2 3 /** 4 * This function is called for each rubriceditor on page. 5 */ 6 M.gradingform_rubriceditor.init = function(Y, options) { 7 M.gradingform_rubriceditor.name = options.name 8 M.gradingform_rubriceditor.Y = Y 9 M.gradingform_rubriceditor.templates[options.name] = { 10 'criterion' : options.criteriontemplate, 11 'level' : options.leveltemplate 12 } 13 M.gradingform_rubriceditor.disablealleditors() 14 Y.on('click', M.gradingform_rubriceditor.clickanywhere, 'body', null) 15 YUI().use('event-touch', function (Y) { 16 Y.one('body').on('touchstart', M.gradingform_rubriceditor.clickanywhere); 17 Y.one('body').on('touchend', M.gradingform_rubriceditor.clickanywhere); 18 }) 19 M.gradingform_rubriceditor.addhandlers() 20 }; 21 22 // Adds handlers for clicking submit button. This function must be called each time JS adds new elements to html 23 M.gradingform_rubriceditor.addhandlers = function() { 24 var Y = M.gradingform_rubriceditor.Y 25 var name = M.gradingform_rubriceditor.name 26 if (M.gradingform_rubriceditor.eventhandler) M.gradingform_rubriceditor.eventhandler.detach() 27 M.gradingform_rubriceditor.eventhandler = Y.on('click', M.gradingform_rubriceditor.buttonclick, '#rubric-'+name+' input[type=submit]', null); 28 } 29 30 // switches all input text elements to non-edit mode 31 M.gradingform_rubriceditor.disablealleditors = function() { 32 var Y = M.gradingform_rubriceditor.Y 33 var name = M.gradingform_rubriceditor.name 34 Y.all('#rubric-'+name+' .level').each( function(node) {M.gradingform_rubriceditor.editmode(node, false)} ); 35 Y.all('#rubric-'+name+' .description').each( function(node) {M.gradingform_rubriceditor.editmode(node, false)} ); 36 } 37 38 // function invoked on each click on the page. If level and/or criterion description is clicked 39 // it switches this element to edit mode. If rubric button is clicked it does nothing so the 'buttonclick' 40 // function is invoked 41 M.gradingform_rubriceditor.clickanywhere = function(e) { 42 if (e.type == 'touchstart') return 43 var el = e.target 44 // if clicked on button - disablecurrenteditor, continue 45 if (el.get('tagName') == 'INPUT' && el.get('type') == 'submit') { 46 return 47 } 48 // else if clicked on level and this level is not enabled - enable it 49 // or if clicked on description and this description is not enabled - enable it 50 var focustb = false 51 while (el && !(el.hasClass('level') || el.hasClass('description'))) { 52 if (el.hasClass('score')) focustb = true 53 el = el.get('parentNode') 54 } 55 if (el) { 56 if (el.one('textarea').hasClass('hiddenelement')) { 57 M.gradingform_rubriceditor.disablealleditors() 58 M.gradingform_rubriceditor.editmode(el, true, focustb) 59 } 60 return 61 } 62 // else disablecurrenteditor 63 M.gradingform_rubriceditor.disablealleditors() 64 } 65 66 // switch the criterion description or level to edit mode or switch back 67 M.gradingform_rubriceditor.editmode = function(el, editmode, focustb) { 68 var ta = el.one('textarea') 69 if (!editmode && ta.hasClass('hiddenelement')) return; 70 if (editmode && !ta.hasClass('hiddenelement')) return; 71 var pseudotablink = '<input type="text" size="1" class="pseudotablink"/>', 72 taplain = ta.get('parentNode').one('.plainvalue'), 73 tbplain = null, 74 tb = el.one('.score input[type=text]') 75 // add 'plainvalue' next to textarea for description/definition and next to input text field for score (if applicable) 76 if (!taplain) { 77 ta.get('parentNode').append('<div class="plainvalue">'+pseudotablink+'<span class="textvalue"> </span></div>') 78 taplain = ta.get('parentNode').one('.plainvalue') 79 taplain.one('.pseudotablink').on('focus', M.gradingform_rubriceditor.clickanywhere) 80 if (tb) { 81 tb.get('parentNode').append('<span class="plainvalue">'+pseudotablink+'<span class="textvalue"> </span></span>') 82 tbplain = tb.get('parentNode').one('.plainvalue') 83 tbplain.one('.pseudotablink').on('focus', M.gradingform_rubriceditor.clickanywhere) 84 } 85 } 86 if (tb && !tbplain) tbplain = tb.get('parentNode').one('.plainvalue') 87 if (!editmode) { 88 // if we need to hide the input fields, copy their contents to plainvalue(s). If description/definition 89 // is empty, display the default text ('Click to edit ...') and add/remove 'empty' CSS class to element 90 var value = ta.get('value') 91 if (value.length) taplain.removeClass('empty') 92 else { 93 value = (el.hasClass('level')) ? M.util.get_string('levelempty', 'gradingform_rubric') : M.util.get_string('criterionempty', 'gradingform_rubric') 94 taplain.addClass('empty') 95 } 96 taplain.one('.textvalue').set('innerHTML', Y.Escape.html(value)); 97 if (tb) tbplain.one('.textvalue').set('innerHTML', Y.Escape.html(tb.get('value'))); 98 // hide/display textarea, textbox and plaintexts 99 taplain.removeClass('hiddenelement') 100 ta.addClass('hiddenelement') 101 if (tb) { 102 tbplain.removeClass('hiddenelement') 103 tb.addClass('hiddenelement') 104 } 105 } else { 106 // if we need to show the input fields, set the width/height for textarea so it fills the cell 107 try { 108 var width = parseFloat(ta.get('parentNode').getComputedStyle('width')), 109 height 110 if (el.hasClass('level')) height = parseFloat(el.getComputedStyle('height')) - parseFloat(el.one('.score').getComputedStyle('height')) 111 else height = parseFloat(ta.get('parentNode').getComputedStyle('height')) 112 ta.setStyle('width', Math.max(width-16,50)+'px') 113 ta.setStyle('height', Math.max(height,20)+'px') 114 } 115 catch (err) { 116 // this browser do not support 'computedStyle', leave the default size of the textbox 117 } 118 // hide/display textarea, textbox and plaintexts 119 taplain.addClass('hiddenelement') 120 ta.removeClass('hiddenelement') 121 if (tb) { 122 tbplain.addClass('hiddenelement') 123 tb.removeClass('hiddenelement') 124 } 125 } 126 // focus the proper input field in edit mode 127 if (editmode) { if (tb && focustb) tb.focus(); else ta.focus() } 128 } 129 130 // handler for clicking on submit buttons within rubriceditor element. Adds/deletes/rearranges criteria and/or levels on client side 131 M.gradingform_rubriceditor.buttonclick = function(e, confirmed) { 132 var Y = M.gradingform_rubriceditor.Y 133 var name = M.gradingform_rubriceditor.name 134 if (e.target.get('type') != 'submit') return; 135 M.gradingform_rubriceditor.disablealleditors() 136 var chunks = e.target.get('id').split('-'), 137 action = chunks[chunks.length-1] 138 if (chunks[0] != name || chunks[1] != 'criteria') return; 139 var elements_str 140 if (chunks.length>4 || action == 'addlevel') { 141 elements_str = '#rubric-'+name+' #'+name+'-criteria-'+chunks[2]+'-levels .level' 142 } else { 143 elements_str = '#rubric-'+name+' .criterion' 144 } 145 // prepare the id of the next inserted level or criterion 146 var newlevid = 0; 147 var newid = 0; 148 if (action == 'addcriterion' || action == 'addlevel' || action == 'duplicate' ) { 149 newid = M.gradingform_rubriceditor.calculatenewid('#rubric-'+name+' .criterion'); 150 newlevid = M.gradingform_rubriceditor.calculatenewid('#rubric-'+name+' .level'); 151 } 152 var dialog_options = { 153 'scope' : this, 154 'callbackargs' : [e, true], 155 'callback' : M.gradingform_rubriceditor.buttonclick 156 }; 157 if (chunks.length == 3 && action == 'addcriterion') { 158 // ADD NEW CRITERION 159 var levelsscores = [0], levidx = 1 160 var parentel = Y.one('#'+name+'-criteria') 161 if (parentel.one('>tbody')) parentel = parentel.one('>tbody') 162 if (parentel.all('.criterion').size()) { 163 var lastcriterion = parentel.all('.criterion').item(parentel.all('.criterion').size()-1).all('.level') 164 for (levidx=0;levidx<lastcriterion.size();levidx++) levelsscores[levidx] = lastcriterion.item(levidx).one('.score input[type=text]').get('value') 165 } 166 for (levidx;levidx<3;levidx++) levelsscores[levidx] = parseFloat(levelsscores[levidx-1])+1 167 var levelsstr = ''; 168 for (levidx=0;levidx<levelsscores.length;levidx++) { 169 levelsstr += M.gradingform_rubriceditor.templates[name].level. 170 replace(/\{LEVEL-id\}/g, 'NEWID'+(newlevid+levidx)). 171 replace(/\{LEVEL-score\}/g, levelsscores[levidx]). 172 replace(/\{LEVEL-index\}/g, levidx + 1); 173 } 174 var newcriterion = M.gradingform_rubriceditor.templates[name]['criterion'].replace(/\{LEVELS\}/, levelsstr) 175 parentel.append(newcriterion.replace(/\{CRITERION-id\}/g, 'NEWID'+newid).replace(/\{.+?\}/g, '')) 176 M.gradingform_rubriceditor.assignclasses('#rubric-'+name+' #'+name+'-criteria-NEWID'+newid+'-levels .level') 177 M.gradingform_rubriceditor.addhandlers(); 178 M.gradingform_rubriceditor.disablealleditors() 179 M.gradingform_rubriceditor.assignclasses(elements_str) 180 M.gradingform_rubriceditor.editmode( 181 Y.one('#rubric-' + name + ' #' + name + '-criteria-NEWID' + newid + '-description-cell'), true 182 ); 183 } else if (chunks.length == 5 && action == 'addlevel') { 184 // ADD NEW LEVEL 185 var newscore = 0; 186 parent = Y.one('#'+name+'-criteria-'+chunks[2]+'-levels') 187 var levelIndex = 1; 188 parent.all('.level').each(function (node) { 189 newscore = Math.max(newscore, parseFloat(node.one('.score input[type=text]').get('value')) + 1); 190 levelIndex++; 191 }); 192 var newlevel = M.gradingform_rubriceditor.templates[name]['level']. 193 replace(/\{CRITERION-id\}/g, chunks[2]).replace(/\{LEVEL-id\}/g, 'NEWID'+newlevid). 194 replace(/\{LEVEL-score\}/g, newscore). 195 replace(/\{LEVEL-index\}/g, levelIndex). 196 replace(/\{.+?\}/g, ''); 197 parent.append(newlevel) 198 M.gradingform_rubriceditor.addhandlers(); 199 M.gradingform_rubriceditor.disablealleditors() 200 M.gradingform_rubriceditor.assignclasses(elements_str) 201 M.gradingform_rubriceditor.editmode(parent.all('.level').item(parent.all('.level').size()-1), true) 202 } else if (chunks.length == 4 && action == 'moveup') { 203 // MOVE CRITERION UP 204 el = Y.one('#'+name+'-criteria-'+chunks[2]) 205 if (el.previous()) el.get('parentNode').insertBefore(el, el.previous()) 206 M.gradingform_rubriceditor.assignclasses(elements_str) 207 } else if (chunks.length == 4 && action == 'movedown') { 208 // MOVE CRITERION DOWN 209 el = Y.one('#'+name+'-criteria-'+chunks[2]) 210 if (el.next()) el.get('parentNode').insertBefore(el.next(), el) 211 M.gradingform_rubriceditor.assignclasses(elements_str) 212 } else if (chunks.length == 4 && action == 'delete') { 213 // DELETE CRITERION 214 if (confirmed) { 215 Y.one('#'+name+'-criteria-'+chunks[2]).remove() 216 M.gradingform_rubriceditor.assignclasses(elements_str) 217 } else { 218 dialog_options['message'] = M.util.get_string('confirmdeletecriterion', 'gradingform_rubric') 219 M.util.show_confirm_dialog(e, dialog_options); 220 } 221 } else if (chunks.length == 4 && action == 'duplicate') { 222 // Duplicate criterion. 223 var levelsdef = [], levelsscores = [0], levidx = null; 224 var parentel = Y.one('#'+name+'-criteria'); 225 if (parentel.one('>tbody')) { parentel = parentel.one('>tbody'); } 226 227 var source = Y.one('#'+name+'-criteria-'+chunks[2]); 228 if (source.all('.level')) { 229 var lastcriterion = source.all('.level'); 230 for (levidx = 0; levidx < lastcriterion.size(); levidx++) { 231 levelsdef[levidx] = lastcriterion.item(levidx).one('.definition .textvalue').get('innerHTML'); 232 } 233 for (levidx = 0; levidx < lastcriterion.size(); levidx++) { 234 levelsscores[levidx] = lastcriterion.item(levidx).one('.score input[type=text]').get('value'); 235 } 236 } 237 238 for (levidx; levidx < 3; levidx++) { levelsscores[levidx] = parseFloat(levelsscores[levidx-1]) + 1; } 239 var levelsstr = ''; 240 for (levidx = 0; levidx < levelsscores.length; levidx++) { 241 levelsstr += M.gradingform_rubriceditor.templates[name].level 242 .replace(/\{LEVEL-id\}/g, 'NEWID'+(newlevid+levidx)) 243 .replace(/\{LEVEL-score\}/g, levelsscores[levidx]) 244 .replace(/\{LEVEL-definition\}/g, levelsdef[levidx]); 245 } 246 var description = source.one('.description .textvalue'); 247 var newcriterion = M.gradingform_rubriceditor.templates[name].criterion 248 .replace(/\{LEVELS\}/, levelsstr) 249 .replace(/\{CRITERION-description\}/, description.get('innerHTML')); 250 parentel.append(newcriterion.replace(/\{CRITERION-id\}/g, 'NEWID'+newid).replace(/\{.+?\}/g, '')); 251 M.gradingform_rubriceditor.assignclasses('#rubric-'+name+' #'+name+'-criteria-NEWID'+newid+'-levels .level'); 252 M.gradingform_rubriceditor.addhandlers(); 253 M.gradingform_rubriceditor.disablealleditors(); 254 M.gradingform_rubriceditor.assignclasses(elements_str); 255 M.gradingform_rubriceditor.editmode(Y.one('#rubric-'+name+' #'+name+'-criteria-NEWID'+newid+'-description-cell'),true); 256 } else if (chunks.length == 6 && action == 'delete') { 257 // DELETE LEVEL 258 if (confirmed) { 259 Y.one('#'+name+'-criteria-'+chunks[2]+'-'+chunks[3]+'-'+chunks[4]).remove() 260 M.gradingform_rubriceditor.assignclasses(elements_str) 261 } else { 262 dialog_options['message'] = M.util.get_string('confirmdeletelevel', 'gradingform_rubric') 263 M.util.show_confirm_dialog(e, dialog_options); 264 } 265 } else { 266 // unknown action 267 return; 268 } 269 e.preventDefault(); 270 } 271 272 // properly set classes (first/last/odd/even), level width and/or criterion sortorder for elements Y.all(elements_str) 273 M.gradingform_rubriceditor.assignclasses = function (elements_str) { 274 var elements = M.gradingform_rubriceditor.Y.all(elements_str) 275 for (var i=0;i<elements.size();i++) { 276 elements.item(i).removeClass('first').removeClass('last').removeClass('even').removeClass('odd'). 277 addClass(((i%2)?'odd':'even') + ((i==0)?' first':'') + ((i==elements.size()-1)?' last':'')) 278 elements.item(i).all('input[type=hidden]').each( 279 function(node) {if (node.get('name').match(/sortorder/)) node.set('value', i)} 280 ); 281 if (elements.item(i).hasClass('level')) elements.item(i).set('width', Math.round(100/elements.size())+'%') 282 } 283 } 284 285 // returns unique id for the next added element, it should not be equal to any of Y.all(elements_str) ids 286 M.gradingform_rubriceditor.calculatenewid = function (elements_str) { 287 var newid = 1 288 M.gradingform_rubriceditor.Y.all(elements_str).each( function(node) { 289 var idchunks = node.get('id').split('-'), id = idchunks.pop(); 290 if (id.match(/^NEWID(\d+)$/)) newid = Math.max(newid, parseInt(id.substring(5))+1); 291 } ); 292 return newid 293 }
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| Generated: Thu Aug 11 10:00:09 2016 | Cross-referenced by PHPXref 0.7.1 |