Commit | Line | Data |
---|---|---|
47aa42e2 | 1 | // Miscellaneous core Javascript functions for Moodle |
e50b4c89 | 2 | // Global M object is initilised in inline javascript |
34f76e9a | 3 | |
9598d578 PS |
4 | // Global Y instance, inilialised much later in page footer, |
5 | // it is usually better to initialise own Y by: "YUI(M.yui.loader).use('......', function(Y) { .... }); | |
99eaca9d | 6 | var Y = null; |
34f76e9a | 7 | |
e50b4c89 PS |
8 | /** |
9 | * Add module to list of available modules that can be laoded from YUI. | |
10 | */ | |
11 | M.yui.add_module = function(modules) { | |
fc367afb PS |
12 | for (modname in modules) { |
13 | M.yui.loader.modules[modname] = modules[modname]; | |
14 | } | |
e50b4c89 PS |
15 | }; |
16 | ||
bca09754 PS |
17 | /** |
18 | * Various utility functions | |
19 | */ | |
20 | M.util = { | |
fc367afb PS |
21 | /** |
22 | * Returns url for images. | |
23 | */ | |
24 | image_url: function(imagename, component) { | |
25 | var url = M.cfg.wwwroot + '/theme/image.php?theme=' + M.cfg.theme + '&image=' + imagename; | |
26 | ||
27 | if (M.cfg.themerev > 0) { | |
28 | url = url + '&rev=' + M.cfg.themerev; | |
29 | } | |
30 | ||
31 | if (component != '' && component != 'moodle' && component != 'core') { | |
32 | url = url + '&component=' + component; | |
33 | } | |
34 | ||
35 | return url; | |
36 | } | |
bca09754 PS |
37 | } |
38 | ||
39 | ||
2539ce37 DC |
40 | function launch_filemanager(options) { |
41 | Y.use('core_filemanager', function() { | |
42 | var client_id = options.client_id; | |
43 | // filemangers defined in lib/form/filemanager.js | |
44 | if (!filemanagers[client_id]) { | |
45 | filemanagers[client_id] = new M.core_filemanager(options); | |
46 | } | |
47 | }); | |
48 | } | |
34f76e9a PS |
49 | |
50 | // === old legacy JS code, hopefully to be replaced soon by M.xx.yy and YUI3 code === | |
51 | ||
b48fd7b5 | 52 | function popupchecker(msg) { |
496e3ccd | 53 | var testwindow = window.open('', '', 'width=1,height=1,left=0,top=0,scrollbars=no'); |
f6b6861d | 54 | if (!testwindow) { |
55 | alert(msg); | |
56 | } else { | |
b48fd7b5 | 57 | testwindow.close(); |
58 | } | |
59 | } | |
60 | ||
63d28811 | 61 | function checkall() { |
214f5850 | 62 | var inputs = document.getElementsByTagName('input'); |
63 | for (var i = 0; i < inputs.length; i++) { | |
64 | if (inputs[i].type == 'checkbox') { | |
65 | inputs[i].checked = true; | |
66 | } | |
d2ce367f | 67 | } |
63d28811 | 68 | } |
69 | ||
03f9425f | 70 | function checknone() { |
214f5850 | 71 | var inputs = document.getElementsByTagName('input'); |
72 | for (var i = 0; i < inputs.length; i++) { | |
73 | if (inputs[i].type == 'checkbox') { | |
74 | inputs[i].checked = false; | |
75 | } | |
d2ce367f | 76 | } |
03f9425f | 77 | } |
78 | ||
d2ce367f | 79 | function lockoptions(formid, master, subitems) { |
027d0485 | 80 | // Subitems is an array of names of sub items. |
81 | // Optionally, each item in subitems may have a | |
63d28811 | 82 | // companion hidden item in the form with the |
027d0485 | 83 | // same name but prefixed by "h". |
d2ce367f | 84 | var form = document.forms[formid]; |
85 | ||
86 | if (eval("form."+master+".checked")) { | |
63d28811 | 87 | for (i=0; i<subitems.length; i++) { |
88 | unlockoption(form, subitems[i]); | |
89 | } | |
90 | } else { | |
91 | for (i=0; i<subitems.length; i++) { | |
92 | lockoption(form, subitems[i]); | |
93 | } | |
94 | } | |
95 | return(true); | |
96 | } | |
97 | ||
f07b9627 | 98 | function lockoption(form,item) { |
d2ce367f | 99 | eval("form."+item+".disabled=true");/* IE thing */ |
100 | if(form.elements['h'+item]) { | |
101 | eval("form.h"+item+".value=1"); | |
f07b9627 | 102 | } |
103 | } | |
104 | ||
105 | function unlockoption(form,item) { | |
d2ce367f | 106 | eval("form."+item+".disabled=false");/* IE thing */ |
107 | if(form.elements['h'+item]) { | |
108 | eval("form.h"+item+".value=0"); | |
f07b9627 | 109 | } |
110 | } | |
dd07bbac | 111 | |
b51709c1 | 112 | /** |
113 | * Get the value of the 'virtual form element' with a particular name. That is, | |
114 | * abstracts away the difference between a normal form element, like a select | |
115 | * which is a single HTML element with a .value property, and a set of radio | |
116 | * buttons, which is several HTML elements. | |
117 | * | |
118 | * @param form a HTML form. | |
119 | * @param master the name of an element in that form. | |
120 | * @return the value of that element. | |
121 | */ | |
122 | function get_form_element_value(form, name) { | |
123 | var element = form[name]; | |
124 | if (!element) { | |
125 | return null; | |
126 | } | |
127 | if (element.tagName) { | |
128 | // Ordinarly thing like a select box. | |
129 | return element.value; | |
130 | } | |
131 | // Array of things, like radio buttons. | |
132 | for (var j = 0; j < element.length; j++) { | |
133 | var el = element[j]; | |
134 | if (el.checked) { | |
135 | return el.value; | |
136 | } | |
137 | } | |
138 | return null; | |
139 | } | |
140 | ||
141 | ||
142 | /** | |
143 | * Set the disabled state of the 'virtual form element' with a particular name. | |
144 | * This abstracts away the difference between a normal form element, like a select | |
145 | * which is a single HTML element with a .value property, and a set of radio | |
146 | * buttons, which is several HTML elements. | |
147 | * | |
148 | * @param form a HTML form. | |
149 | * @param master the name of an element in that form. | |
150 | * @param disabled the disabled state to set. | |
151 | */ | |
152 | function set_form_element_disabled(form, name, disabled) { | |
153 | var element = form[name]; | |
154 | if (!element) { | |
155 | return; | |
156 | } | |
157 | if (element.tagName) { | |
158 | // Ordinarly thing like a select box. | |
159 | element.disabled = disabled; | |
160 | } | |
161 | // Array of things, like radio buttons. | |
162 | for (var j = 0; j < element.length; j++) { | |
163 | var el = element[j]; | |
164 | el.disabled = disabled; | |
165 | } | |
166 | } | |
dd07bbac | 167 | |
41f23791 | 168 | /** |
169 | * Set the hidden state of the 'virtual form element' with a particular name. | |
170 | * This abstracts away the difference between a normal form element, like a select | |
171 | * which is a single HTML element with a .value property, and a set of radio | |
172 | * buttons, which is several HTML elements. | |
173 | * | |
174 | * @param form a HTML form. | |
175 | * @param master the name of an element in that form. | |
176 | * @param hidden the hidden state to set. | |
177 | */ | |
178 | function set_form_element_hidden(form, name, hidden) { | |
179 | var element = form[name]; | |
180 | if (!element) { | |
181 | return; | |
182 | } | |
183 | if (element.tagName) { | |
184 | var el = findParentNode(element, 'DIV', 'fitem', false); | |
185 | if (el!=null) { | |
186 | el.style.display = hidden ? 'none' : ''; | |
187 | el.style.visibility = hidden ? 'hidden' : ''; | |
188 | } | |
189 | } | |
190 | // Array of things, like radio buttons. | |
191 | for (var j = 0; j < element.length; j++) { | |
192 | var el = findParentNode(element[j], 'DIV', 'fitem', false); | |
193 | if (el!=null) { | |
194 | el.style.display = hidden ? 'none' : ''; | |
195 | el.style.visibility = hidden ? 'hidden' : ''; | |
196 | } | |
197 | } | |
198 | } | |
199 | ||
50ef8eb9 | 200 | function lockoptionsall(formid) { |
dd07bbac | 201 | var form = document.forms[formid]; |
b51709c1 | 202 | var dependons = eval(formid + 'items'); |
203 | var tolock = []; | |
41f23791 | 204 | var tohide = []; |
dd07bbac | 205 | for (var dependon in dependons) { |
d63ef3b8 | 206 | // change for MooTools compatibility |
207 | if (!dependons.propertyIsEnumerable(dependon)) { | |
208 | continue; | |
209 | } | |
b51709c1 | 210 | if (!form[dependon]) { |
4bc24867 | 211 | continue; |
212 | } | |
dd07bbac | 213 | for (var condition in dependons[dependon]) { |
214 | for (var value in dependons[dependon][condition]) { | |
215 | var lock; | |
41f23791 | 216 | var hide = false; |
dd07bbac | 217 | switch (condition) { |
218 | case 'notchecked': | |
b51709c1 | 219 | lock = !form[dependon].checked; break; |
dd07bbac | 220 | case 'checked': |
b51709c1 | 221 | lock = form[dependon].checked; break; |
dd07bbac | 222 | case 'noitemselected': |
b51709c1 | 223 | lock = form[dependon].selectedIndex == -1; break; |
dd07bbac | 224 | case 'eq': |
b51709c1 | 225 | lock = get_form_element_value(form, dependon) == value; break; |
41f23791 | 226 | case 'hide': |
227 | // hide as well as disable | |
228 | hide = true; break; | |
dd07bbac | 229 | default: |
b51709c1 | 230 | lock = get_form_element_value(form, dependon) != value; break; |
dd07bbac | 231 | } |
232 | for (var ei in dependons[dependon][condition][value]) { | |
632b88d5 | 233 | var eltolock = dependons[dependon][condition][value][ei]; |
41f23791 | 234 | if (hide) { |
235 | tohide[eltolock] = true; | |
236 | } | |
b51709c1 | 237 | if (tolock[eltolock] != null) { |
238 | tolock[eltolock] = lock || tolock[eltolock]; | |
632b88d5 | 239 | } else { |
240 | tolock[eltolock] = lock; | |
241 | } | |
dd07bbac | 242 | } |
243 | } | |
50ef8eb9 | 244 | } |
dd07bbac | 245 | } |
b51709c1 | 246 | for (var el in tolock) { |
d63ef3b8 | 247 | // change for MooTools compatibility |
248 | if (!tolock.propertyIsEnumerable(el)) { | |
249 | continue; | |
250 | } | |
b51709c1 | 251 | set_form_element_disabled(form, el, tolock[el]); |
41f23791 | 252 | if (tohide.propertyIsEnumerable(el)) { |
253 | set_form_element_hidden(form, el, tolock[el]); | |
254 | } | |
632b88d5 | 255 | } |
dd07bbac | 256 | return true; |
50ef8eb9 | 257 | } |
258 | ||
d01a38cb | 259 | function lockoptionsallsetup(formid) { |
dd07bbac | 260 | var form = document.forms[formid]; |
261 | var dependons = eval(formid+'items'); | |
262 | for (var dependon in dependons) { | |
d63ef3b8 | 263 | // change for MooTools compatibility |
264 | if (!dependons.propertyIsEnumerable(dependon)) { | |
265 | continue; | |
266 | } | |
b51709c1 | 267 | var masters = form[dependon]; |
268 | if (!masters) { | |
4bc24867 | 269 | continue; |
270 | } | |
a4db2e7c | 271 | if (masters.tagName) { |
b51709c1 | 272 | // If master is radio buttons, we get an array, otherwise we don't. |
273 | // Convert both cases to an array for convinience. | |
274 | masters = [masters]; | |
275 | } | |
276 | for (var j = 0; j < masters.length; j++) { | |
277 | master = masters[j]; | |
278 | master.formid = formid; | |
279 | master.onclick = function() {return lockoptionsall(this.formid);}; | |
280 | master.onblur = function() {return lockoptionsall(this.formid);}; | |
281 | master.onchange = function() {return lockoptionsall(this.formid);}; | |
282 | } | |
dd07bbac | 283 | } |
b51709c1 | 284 | for (var i = 0; i < form.elements.length; i++) { |
dd07bbac | 285 | var formelement = form.elements[i]; |
286 | if (formelement.type=='reset') { | |
c0056e22 | 287 | formelement.formid = formid; |
288 | formelement.onclick = function() {this.form.reset();return lockoptionsall(this.formid);}; | |
289 | formelement.onblur = function() {this.form.reset();return lockoptionsall(this.formid);}; | |
290 | formelement.onchange = function() {this.form.reset();return lockoptionsall(this.formid);}; | |
dd07bbac | 291 | } |
292 | } | |
293 | return lockoptionsall(formid); | |
d01a38cb | 294 | } |
50ef8eb9 | 295 | |
dc580207 | 296 | /** |
297 | * Helper function mainly for drop-down menus' onchange events, | |
298 | * submits the form designated by args.id. If args.selectid is also | |
5529f787 | 299 | * given, it only submits the form if the selected <option> is not |
dc580207 | 300 | * the first one (usually the "Choose..." option) |
7b1f2c82 | 301 | * Example usage of the html_select component with this function: |
dc580207 | 302 | * <pre> |
7b1f2c82 | 303 | * $select = new html_select(); |
49c8c8d2 | 304 | * $select->options = array('delete' => get_string('delete')); |
305 | * $select->name = 'action'; | |
306 | * $select->button->label = get_string('withselected', 'quiz'); | |
307 | * $select->id = 'menuaction'; | |
308 | * $select->add_action('change', 'submit_form_by_id', array('id' => 'attemptsform', 'selectid' => 'menuaction')); | |
309 | * echo $OUTPUT->select($select); | |
dc580207 | 310 | * </pre> |
311 | */ | |
312 | function submit_form_by_id(e, args) { | |
8e127eb3 | 313 | var theform = document.getElementById(args.id); |
dc580207 | 314 | if (!theform) { |
7678e65c | 315 | return false; |
316 | } | |
dc580207 | 317 | if (theform.tagName.toLowerCase() != 'form') { |
7678e65c | 318 | return false; |
319 | } | |
dc580207 | 320 | if (args.selectid) { |
321 | var select = document.getElementById(args.selectid); | |
322 | if (select.selectedIndex == 0) { | |
323 | return false; | |
324 | } | |
7678e65c | 325 | } |
dc580207 | 326 | return theform.submit(); |
7678e65c | 327 | } |
363cb62c | 328 | |
45caa363 | 329 | /** |
330 | * Either check, or uncheck, all checkboxes inside the element with id is | |
331 | * @param id the id of the container | |
332 | * @param checked the new state, either '' or 'checked'. | |
333 | */ | |
334 | function select_all_in_element_with_id(id, checked) { | |
335 | var container = document.getElementById(id); | |
336 | if (!container) { | |
337 | return; | |
338 | } | |
339 | var inputs = container.getElementsByTagName('input'); | |
340 | for (var i = 0; i < inputs.length; ++i) { | |
341 | if (inputs[i].type == 'checkbox' || inputs[i].type == 'radio') { | |
342 | inputs[i].checked = checked; | |
343 | } | |
344 | } | |
345 | } | |
346 | ||
8ceb09e0 | 347 | function select_all_in(elTagName, elClass, elId) { |
d2ce367f | 348 | var inputs = document.getElementsByTagName('input'); |
8ceb09e0 | 349 | inputs = filterByParent(inputs, function(el) {return findParentNode(el, elTagName, elClass, elId);}); |
363cb62c | 350 | for(var i = 0; i < inputs.length; ++i) { |
bee40515 | 351 | if(inputs[i].type == 'checkbox' || inputs[i].type == 'radio') { |
363cb62c | 352 | inputs[i].checked = 'checked'; |
353 | } | |
354 | } | |
355 | } | |
356 | ||
8ceb09e0 | 357 | function deselect_all_in(elTagName, elClass, elId) { |
363cb62c | 358 | var inputs = document.getElementsByTagName('INPUT'); |
8ceb09e0 | 359 | inputs = filterByParent(inputs, function(el) {return findParentNode(el, elTagName, elClass, elId);}); |
363cb62c | 360 | for(var i = 0; i < inputs.length; ++i) { |
bee40515 | 361 | if(inputs[i].type == 'checkbox' || inputs[i].type == 'radio') { |
363cb62c | 362 | inputs[i].checked = ''; |
363 | } | |
364 | } | |
365 | } | |
366 | ||
367 | function confirm_if(expr, message) { | |
368 | if(!expr) { | |
369 | return true; | |
370 | } | |
371 | return confirm(message); | |
372 | } | |
47aa42e2 | 373 | |
374 | ||
375 | /* | |
376 | findParentNode (start, elementName, elementClass, elementID) | |
50ef8eb9 | 377 | |
47aa42e2 | 378 | Travels up the DOM hierarchy to find a parent element with the |
379 | specified tag name, class, and id. All conditions must be met, | |
380 | but any can be ommitted. Returns the BODY element if no match | |
381 | found. | |
382 | */ | |
383 | function findParentNode(el, elName, elClass, elId) { | |
45caa363 | 384 | while (el.nodeName.toUpperCase() != 'BODY') { |
385 | if ((!elName || el.nodeName.toUpperCase() == elName) && | |
47aa42e2 | 386 | (!elClass || el.className.indexOf(elClass) != -1) && |
45caa363 | 387 | (!elId || el.id == elId)) { |
47aa42e2 | 388 | break; |
389 | } | |
390 | el = el.parentNode; | |
391 | } | |
392 | return el; | |
393 | } | |
19194f82 | 394 | /* |
395 | findChildNode (start, elementName, elementClass, elementID) | |
396 | ||
397 | Travels down the DOM hierarchy to find all child elements with the | |
398 | specified tag name, class, and id. All conditions must be met, | |
399 | but any can be ommitted. | |
a23f0aaf | 400 | Doesn't examine children of matches. |
19194f82 | 401 | */ |
402 | function findChildNodes(start, tagName, elementClass, elementID, elementName) { | |
403 | var children = new Array(); | |
83c9a8a2 | 404 | for (var i = 0; i < start.childNodes.length; i++) { |
a23f0aaf | 405 | var classfound = false; |
83c9a8a2 | 406 | var child = start.childNodes[i]; |
a23f0aaf | 407 | if((child.nodeType == 1) &&//element node type |
b51709c1 | 408 | (elementClass && (typeof(child.className)=='string'))) { |
a23f0aaf | 409 | var childClasses = child.className.split(/\s+/); |
b51709c1 | 410 | for (var childClassIndex in childClasses) { |
411 | if (childClasses[childClassIndex]==elementClass) { | |
a23f0aaf | 412 | classfound = true; |
413 | break; | |
414 | } | |
415 | } | |
416 | } | |
f07b9627 | 417 | if(child.nodeType == 1) { //element node type |
418 | if ( (!tagName || child.nodeName == tagName) && | |
419 | (!elementClass || classfound)&& | |
420 | (!elementID || child.id == elementID) && | |
421 | (!elementName || child.name == elementName)) | |
422 | { | |
423 | children = children.concat(child); | |
424 | } else { | |
425 | children = children.concat(findChildNodes(child, tagName, elementClass, elementID, elementName)); | |
426 | } | |
19194f82 | 427 | } |
19194f82 | 428 | } |
429 | return children; | |
430 | } | |
431 | /* | |
432 | elementSetHide (elements, hide) | |
433 | ||
434 | Adds or removes the "hide" class for the specified elements depending on boolean hide. | |
435 | */ | |
436 | function elementShowAdvanced(elements, show) { | |
b51709c1 | 437 | for (var elementIndex in elements) { |
19194f82 | 438 | element = elements[elementIndex]; |
439 | element.className = element.className.replace(new RegExp(' ?hide'), '') | |
440 | if(!show) { | |
441 | element.className += ' hide'; | |
442 | } | |
443 | } | |
444 | } | |
445 | ||
cd350b53 | 446 | function showAdvancedInit(addBefore, nameAttr, buttonLabel, hideText, showText) { |
447 | var showHideButton = document.createElement("input"); | |
448 | showHideButton.type = 'button'; | |
449 | showHideButton.value = buttonLabel; | |
450 | showHideButton.name = nameAttr; | |
451 | showHideButton.moodle = { | |
fc4f5796 | 452 | hideLabel: mstr.form.hideadvanced, |
453 | showLabel: mstr.form.showadvanced | |
cd350b53 | 454 | }; |
455 | YAHOO.util.Event.addListener(showHideButton, 'click', showAdvancedOnClick); | |
456 | el = document.getElementById(addBefore); | |
457 | el.parentNode.insertBefore(showHideButton, el); | |
458 | } | |
459 | ||
460 | function showAdvancedOnClick(e) { | |
461 | var button = e.target ? e.target : e.srcElement; | |
462 | ||
19194f82 | 463 | var toSet=findChildNodes(button.form, null, 'advanced'); |
464 | var buttontext = ''; | |
74d15d35 | 465 | if (button.form.elements['mform_showadvanced_last'].value == '0' || button.form.elements['mform_showadvanced_last'].value == '' ) { |
19194f82 | 466 | elementShowAdvanced(toSet, true); |
cd350b53 | 467 | buttontext = button.moodle.hideLabel; |
19194f82 | 468 | button.form.elements['mform_showadvanced_last'].value = '1'; |
469 | } else { | |
470 | elementShowAdvanced(toSet, false); | |
cd350b53 | 471 | buttontext = button.moodle.showLabel; |
19194f82 | 472 | button.form.elements['mform_showadvanced_last'].value = '0'; |
473 | } | |
474 | var formelements = button.form.elements; | |
4ea054ec | 475 | // Fixed MDL-10506 |
b51709c1 | 476 | for (var i = 0; i < formelements.length; i++) { |
477 | if (formelements[i] && formelements[i].name && (formelements[i].name=='mform_showadvanced')) { | |
19194f82 | 478 | formelements[i].value = buttontext; |
479 | } | |
480 | } | |
481 | //never submit the form if js is enabled. | |
482 | return false; | |
483 | } | |
47aa42e2 | 484 | |
54bb33eb | 485 | function unmaskPassword(id) { |
239ade45 | 486 | var pw = document.getElementById(id); |
54bb33eb | 487 | var chb = document.getElementById(id+'unmask'); |
239ade45 | 488 | |
489 | try { | |
490 | // first try IE way - it can not set name attribute later | |
491 | if (chb.checked) { | |
492 | var newpw = document.createElement('<input type="text" name="'+pw.name+'">'); | |
493 | } else { | |
494 | var newpw = document.createElement('<input type="password" name="'+pw.name+'">'); | |
495 | } | |
eba8cd63 | 496 | newpw.attributes['class'].nodeValue = pw.attributes['class'].nodeValue; |
239ade45 | 497 | } catch (e) { |
498 | var newpw = document.createElement('input'); | |
499 | newpw.setAttribute('name', pw.name); | |
500 | if (chb.checked) { | |
501 | newpw.setAttribute('type', 'text'); | |
502 | } else { | |
503 | newpw.setAttribute('type', 'password'); | |
504 | } | |
eba8cd63 | 505 | newpw.setAttribute('class', pw.getAttribute('class')); |
239ade45 | 506 | } |
507 | newpw.id = pw.id; | |
508 | newpw.size = pw.size; | |
509 | newpw.onblur = pw.onblur; | |
510 | newpw.onchange = pw.onchange; | |
511 | newpw.value = pw.value; | |
512 | pw.parentNode.replaceChild(newpw, pw); | |
513 | } | |
514 | ||
8e7cebb0 | 515 | /** |
516 | * Search a Moodle form to find all the fdate_time_selector and fdate_selector | |
517 | * elements, and add date_selector_calendar instance to each. | |
518 | */ | |
519 | function init_date_selectors(firstdayofweek) { | |
8e7cebb0 | 520 | var els = YAHOO.util.Dom.getElementsByClassName('fdate_time_selector', 'fieldset'); |
521 | for (var i = 0; i < els.length; i++) { | |
522 | new date_selector_calendar(els[i], firstdayofweek); | |
523 | } | |
524 | els = YAHOO.util.Dom.getElementsByClassName('fdate_selector', 'fieldset'); | |
525 | for (i = 0; i < els.length; i++) { | |
526 | new date_selector_calendar(els[i], firstdayofweek); | |
527 | } | |
528 | } | |
529 | ||
530 | /** | |
9bad31f5 | 531 | * Constructor for a JavaScript object that connects to a fdate_time_selector |
8e7cebb0 | 532 | * or a fdate_selector in a Moodle form, and shows a popup calendar whenever |
533 | * that element has keyboard focus. | |
534 | * @param el the fieldset class="fdate_time_selector" or "fdate_selector". | |
535 | */ | |
536 | function date_selector_calendar(el, firstdayofweek) { | |
537 | // Ensure that the shared div and calendar exist. | |
538 | if (!date_selector_calendar.panel) { | |
539 | date_selector_calendar.panel = new YAHOO.widget.Panel('date_selector_calendar_panel', | |
b3a49376 | 540 | {visible: false, draggable: false}); |
8e7cebb0 | 541 | var div = document.createElement('div'); |
542 | date_selector_calendar.panel.setBody(div); | |
543 | date_selector_calendar.panel.render(document.body); | |
544 | ||
545 | YAHOO.util.Event.addListener(document, 'click', date_selector_calendar.document_click); | |
546 | date_selector_calendar.panel.showEvent.subscribe(function() { | |
547 | date_selector_calendar.panel.fireEvent('changeContent'); | |
548 | }); | |
b3a49376 | 549 | date_selector_calendar.panel.hideEvent.subscribe(date_selector_calendar.release_current); |
8e7cebb0 | 550 | |
551 | date_selector_calendar.calendar = new YAHOO.widget.Calendar(div, | |
552 | {iframe: false, hide_blank_weeks: true, start_weekday: firstdayofweek}); | |
553 | date_selector_calendar.calendar.renderEvent.subscribe(function() { | |
554 | date_selector_calendar.panel.fireEvent('changeContent'); | |
bd55319b | 555 | date_selector_calendar.delayed_reposition(); |
8e7cebb0 | 556 | }); |
8e7cebb0 | 557 | } |
558 | ||
559 | this.fieldset = el; | |
560 | var controls = el.getElementsByTagName('select'); | |
561 | for (var i = 0; i < controls.length; i++) { | |
8e7cebb0 | 562 | if (/\[year\]$/.test(controls[i].name)) { |
563 | this.yearselect = controls[i]; | |
9bad31f5 | 564 | } else if (/\[month\]$/.test(controls[i].name)) { |
8e7cebb0 | 565 | this.monthselect = controls[i]; |
9bad31f5 | 566 | } else if (/\[day\]$/.test(controls[i].name)) { |
8e7cebb0 | 567 | this.dayselect = controls[i]; |
9bad31f5 | 568 | } else { |
bd55319b | 569 | YAHOO.util.Event.addFocusListener(controls[i], date_selector_calendar.cancel_any_timeout, this); |
9bad31f5 | 570 | YAHOO.util.Event.addBlurListener(controls[i], this.blur_event, this); |
8e7cebb0 | 571 | } |
572 | } | |
573 | if (!(this.yearselect && this.monthselect && this.dayselect)) { | |
574 | throw 'Failed to initialise calendar.'; | |
575 | } | |
9bad31f5 | 576 | YAHOO.util.Event.addFocusListener([this.yearselect, this.monthselect, this.dayselect], this.focus_event, this); |
577 | YAHOO.util.Event.addBlurListener([this.yearselect, this.monthselect, this.dayselect], this.blur_event, this); | |
8e7cebb0 | 578 | |
579 | this.enablecheckbox = el.getElementsByTagName('input')[0]; | |
580 | if (this.enablecheckbox) { | |
581 | YAHOO.util.Event.addFocusListener(this.enablecheckbox, this.focus_event, this); | |
582 | YAHOO.util.Event.addListener(this.enablecheckbox, 'change', this.focus_event, this); | |
583 | YAHOO.util.Event.addBlurListener(this.enablecheckbox, this.blur_event, this); | |
584 | } | |
585 | } | |
586 | ||
587 | /** The pop-up calendar that contains the calendar. */ | |
588 | date_selector_calendar.panel = null; | |
589 | ||
590 | /** The shared YAHOO.widget.Calendar used by all date_selector_calendars. */ | |
591 | date_selector_calendar.calendar = null; | |
592 | ||
593 | /** The date_selector_calendar that currently owns the shared stuff. */ | |
594 | date_selector_calendar.currentowner = null; | |
595 | ||
596 | /** Used as a timeout when hiding the calendar on blur - so we don't hide the calendar | |
597 | * if we are just jumping from on of our controls to another. */ | |
598 | date_selector_calendar.hidetimeout = null; | |
599 | ||
bd55319b | 600 | /** Timeout for repositioning after a delay after a change of months. */ |
601 | date_selector_calendar.repositiontimeout = null; | |
8e7cebb0 | 602 | |
bd55319b | 603 | /** Member variables. Pointers to various bits of the DOM. */ |
8e7cebb0 | 604 | date_selector_calendar.prototype.fieldset = null; |
605 | date_selector_calendar.prototype.yearselect = null; | |
606 | date_selector_calendar.prototype.monthselect = null; | |
607 | date_selector_calendar.prototype.dayselect = null; | |
608 | date_selector_calendar.prototype.enablecheckbox = null; | |
609 | ||
bd55319b | 610 | date_selector_calendar.cancel_any_timeout = function() { |
8e7cebb0 | 611 | if (date_selector_calendar.hidetimeout) { |
612 | clearTimeout(date_selector_calendar.hidetimeout); | |
613 | date_selector_calendar.hidetimeout = null; | |
614 | } | |
bd55319b | 615 | if (date_selector_calendar.repositiontimeout) { |
616 | clearTimeout(date_selector_calendar.repositiontimeout); | |
617 | date_selector_calendar.repositiontimeout = null; | |
618 | } | |
619 | } | |
620 | ||
621 | date_selector_calendar.delayed_reposition = function() { | |
622 | if (date_selector_calendar.repositiontimeout) { | |
623 | clearTimeout(date_selector_calendar.repositiontimeout); | |
624 | date_selector_calendar.repositiontimeout = null; | |
625 | } | |
b3a49376 | 626 | date_selector_calendar.repositiontimeout = setTimeout(date_selector_calendar.fix_position, 500); |
bd55319b | 627 | } |
628 | ||
629 | date_selector_calendar.fix_position = function() { | |
630 | if (date_selector_calendar.currentowner) { | |
631 | date_selector_calendar.panel.cfg.setProperty('context', [date_selector_calendar.currentowner.fieldset, 'bl', 'tl']); | |
632 | } | |
8e7cebb0 | 633 | } |
634 | ||
b3a49376 | 635 | date_selector_calendar.release_current = function() { |
636 | if (date_selector_calendar.currentowner) { | |
637 | date_selector_calendar.currentowner.release_calendar(); | |
638 | } | |
639 | } | |
640 | ||
8e7cebb0 | 641 | date_selector_calendar.prototype.focus_event = function(e, me) { |
bd55319b | 642 | date_selector_calendar.cancel_any_timeout(); |
8e7cebb0 | 643 | if (me.enablecheckbox == null || me.enablecheckbox.checked) { |
644 | me.claim_calendar(); | |
645 | } else { | |
646 | if (date_selector_calendar.currentowner) { | |
647 | date_selector_calendar.currentowner.release_calendar(); | |
648 | } | |
649 | } | |
650 | } | |
651 | ||
652 | date_selector_calendar.prototype.blur_event = function(e, me) { | |
b3a49376 | 653 | date_selector_calendar.hidetimeout = setTimeout(date_selector_calendar.release_current, 300); |
8e7cebb0 | 654 | } |
655 | ||
656 | date_selector_calendar.prototype.handle_select_change = function(e, me) { | |
657 | me.set_date_from_selects(); | |
658 | } | |
659 | ||
660 | date_selector_calendar.document_click = function(event) { | |
661 | if (date_selector_calendar.currentowner) { | |
662 | var currentcontainer = date_selector_calendar.currentowner.fieldset; | |
663 | var eventarget = YAHOO.util.Event.getTarget(event); | |
b3a49376 | 664 | if (YAHOO.util.Dom.isAncestor(currentcontainer, eventarget)) { |
665 | setTimeout(function() {date_selector_calendar.cancel_any_timeout()}, 100); | |
666 | } else { | |
8e7cebb0 | 667 | date_selector_calendar.currentowner.release_calendar(); |
668 | } | |
669 | } | |
f8065dd2 | 670 | } |
8e7cebb0 | 671 | |
672 | date_selector_calendar.prototype.claim_calendar = function() { | |
bd55319b | 673 | date_selector_calendar.cancel_any_timeout(); |
8e7cebb0 | 674 | if (date_selector_calendar.currentowner == this) { |
675 | return; | |
676 | } | |
677 | if (date_selector_calendar.currentowner) { | |
678 | date_selector_calendar.currentowner.release_calendar(); | |
679 | } | |
680 | ||
bd55319b | 681 | if (date_selector_calendar.currentowner != this) { |
682 | this.connect_handlers(); | |
683 | } | |
684 | date_selector_calendar.currentowner = this; | |
685 | ||
8e7cebb0 | 686 | date_selector_calendar.calendar.cfg.setProperty('mindate', new Date(this.yearselect.options[0].value, 0, 1)); |
687 | date_selector_calendar.calendar.cfg.setProperty('maxdate', new Date(this.yearselect.options[this.yearselect.options.length - 1].value, 11, 31)); | |
bd55319b | 688 | this.fieldset.insertBefore(date_selector_calendar.panel.element, this.yearselect.nextSibling); |
8e7cebb0 | 689 | this.set_date_from_selects(); |
690 | date_selector_calendar.panel.show(); | |
691 | var me = this; | |
bd55319b | 692 | setTimeout(function() {date_selector_calendar.cancel_any_timeout()}, 100); |
8e7cebb0 | 693 | } |
694 | ||
695 | date_selector_calendar.prototype.set_date_from_selects = function() { | |
696 | var year = parseInt(this.yearselect.value); | |
697 | var month = parseInt(this.monthselect.value) - 1; | |
698 | var day = parseInt(this.dayselect.value); | |
699 | date_selector_calendar.calendar.select(new Date(year, month, day)); | |
700 | date_selector_calendar.calendar.setMonth(month); | |
701 | date_selector_calendar.calendar.setYear(year); | |
bd55319b | 702 | date_selector_calendar.calendar.render(); |
703 | date_selector_calendar.fix_position(); | |
8e7cebb0 | 704 | } |
705 | ||
706 | date_selector_calendar.prototype.set_selects_from_date = function(eventtype, args) { | |
707 | var date = args[0][0]; | |
708 | var newyear = date[0]; | |
709 | var newindex = newyear - this.yearselect.options[0].value; | |
710 | this.yearselect.selectedIndex = newindex; | |
711 | this.monthselect.selectedIndex = date[1] - this.monthselect.options[0].value; | |
712 | this.dayselect.selectedIndex = date[2] - this.dayselect.options[0].value; | |
713 | } | |
714 | ||
715 | date_selector_calendar.prototype.connect_handlers = function() { | |
716 | YAHOO.util.Event.addListener([this.yearselect, this.monthselect, this.dayselect], 'change', this.handle_select_change, this); | |
717 | date_selector_calendar.calendar.selectEvent.subscribe(this.set_selects_from_date, this, true); | |
718 | } | |
719 | ||
720 | date_selector_calendar.prototype.release_calendar = function() { | |
721 | date_selector_calendar.panel.hide(); | |
722 | date_selector_calendar.currentowner = null; | |
723 | YAHOO.util.Event.removeListener([this.yearselect, this.monthselect, this.dayselect], this.handle_select_change); | |
724 | date_selector_calendar.calendar.selectEvent.unsubscribe(this.set_selects_from_date, this); | |
725 | } | |
726 | ||
47aa42e2 | 727 | function filterByParent(elCollection, parentFinder) { |
728 | var filteredCollection = []; | |
45caa363 | 729 | for (var i = 0; i < elCollection.length; ++i) { |
47aa42e2 | 730 | var findParent = parentFinder(elCollection[i]); |
45caa363 | 731 | if (findParent.nodeName.toUpperCase != 'BODY') { |
47aa42e2 | 732 | filteredCollection.push(elCollection[i]); |
733 | } | |
734 | } | |
735 | return filteredCollection; | |
736 | } | |
737 | ||
7979105c | 738 | /* |
739 | All this is here just so that IE gets to handle oversized blocks | |
740 | in a visually pleasing manner. It does a browser detect. So sue me. | |
741 | */ | |
742 | ||
743 | function fix_column_widths() { | |
744 | var agt = navigator.userAgent.toLowerCase(); | |
745 | if ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1)) { | |
746 | fix_column_width('left-column'); | |
747 | fix_column_width('right-column'); | |
748 | } | |
749 | } | |
750 | ||
751 | function fix_column_width(colName) { | |
752 | if(column = document.getElementById(colName)) { | |
753 | if(!column.offsetWidth) { | |
754 | setTimeout("fix_column_width('" + colName + "')", 20); | |
755 | return; | |
756 | } | |
757 | ||
758 | var width = 0; | |
759 | var nodes = column.childNodes; | |
760 | ||
761 | for(i = 0; i < nodes.length; ++i) { | |
762 | if(nodes[i].className.indexOf("sideblock") != -1 ) { | |
763 | if(width < nodes[i].offsetWidth) { | |
764 | width = nodes[i].offsetWidth; | |
765 | } | |
766 | } | |
767 | } | |
768 | ||
769 | for(i = 0; i < nodes.length; ++i) { | |
770 | if(nodes[i].className.indexOf("sideblock") != -1 ) { | |
771 | nodes[i].style.width = width + 'px'; | |
772 | } | |
773 | } | |
774 | } | |
775 | } | |
d13c5938 | 776 | |
777 | ||
778 | /* | |
9f439b17 | 779 | Insert myValue at current cursor position |
780 | */ | |
d13c5938 | 781 | function insertAtCursor(myField, myValue) { |
9f439b17 | 782 | // IE support |
783 | if (document.selection) { | |
784 | myField.focus(); | |
785 | sel = document.selection.createRange(); | |
786 | sel.text = myValue; | |
787 | } | |
788 | // Mozilla/Netscape support | |
789 | else if (myField.selectionStart || myField.selectionStart == '0') { | |
790 | var startPos = myField.selectionStart; | |
791 | var endPos = myField.selectionEnd; | |
792 | myField.value = myField.value.substring(0, startPos) | |
793 | + myValue + myField.value.substring(endPos, myField.value.length); | |
794 | } else { | |
795 | myField.value += myValue; | |
796 | } | |
d13c5938 | 797 | } |
7470d6de | 798 | |
799 | ||
800 | /* | |
c0056e22 | 801 | Call instead of setting window.onload directly or setting body onload=. |
802 | Adds your function to a chain of functions rather than overwriting anything | |
803 | that exists. | |
804 | */ | |
7470d6de | 805 | function addonload(fn) { |
806 | var oldhandler=window.onload; | |
807 | window.onload=function() { | |
808 | if(oldhandler) oldhandler(); | |
c0056e22 | 809 | fn(); |
7470d6de | 810 | } |
811 | } | |
7d2a0492 | 812 | /** |
813 | * Replacement for getElementsByClassName in browsers that aren't cool enough | |
6f5e0852 | 814 | * |
7d2a0492 | 815 | * Relying on the built-in getElementsByClassName is far, far faster than |
816 | * using YUI. | |
6f5e0852 | 817 | * |
7d2a0492 | 818 | * Note: the third argument used to be an object with odd behaviour. It now |
819 | * acts like the 'name' in the HTML5 spec, though the old behaviour is still | |
820 | * mimicked if you pass an object. | |
821 | * | |
822 | * @param {Node} oElm The top-level node for searching. To search a whole | |
823 | * document, use `document`. | |
824 | * @param {String} strTagName filter by tag names | |
825 | * @param {String} name same as HTML5 spec | |
826 | */ | |
827 | function getElementsByClassName(oElm, strTagName, name) { | |
828 | // for backwards compatibility | |
829 | if(typeof name == "object") { | |
830 | var names = new Array(); | |
831 | for(var i=0; i<name.length; i++) names.push(names[i]); | |
832 | name = names.join(''); | |
833 | } | |
834 | // use native implementation if possible | |
835 | if (oElm.getElementsByClassName && Array.filter) { | |
836 | if (strTagName == '*') { | |
837 | return oElm.getElementsByClassName(name); | |
838 | } else { | |
839 | return Array.filter(oElm.getElementsByClassName(name), function(el) { | |
840 | return el.nodeName.toLowerCase() == strTagName.toLowerCase(); | |
841 | }); | |
842 | } | |
843 | } | |
844 | // native implementation unavailable, fall back to slow method | |
c849ed1e | 845 | var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName); |
846 | var arrReturnElements = new Array(); | |
847 | var arrRegExpClassNames = new Array(); | |
7d2a0492 | 848 | var names = name.split(' '); |
849 | for(var i=0; i<names.length; i++) { | |
850 | arrRegExpClassNames.push(new RegExp("(^|\\s)" + names[i].replace(/\-/g, "\\-") + "(\\s|$)")); | |
c849ed1e | 851 | } |
852 | var oElement; | |
853 | var bMatchesAll; | |
b51709c1 | 854 | for(var j=0; j<arrElements.length; j++) { |
c849ed1e | 855 | oElement = arrElements[j]; |
856 | bMatchesAll = true; | |
b51709c1 | 857 | for(var k=0; k<arrRegExpClassNames.length; k++) { |
858 | if(!arrRegExpClassNames[k].test(oElement.className)) { | |
c849ed1e | 859 | bMatchesAll = false; |
860 | break; | |
861 | } | |
862 | } | |
b51709c1 | 863 | if(bMatchesAll) { |
c849ed1e | 864 | arrReturnElements.push(oElement); |
865 | } | |
866 | } | |
867 | return (arrReturnElements) | |
868 | } | |
77241d9b | 869 | |
f8065dd2 | 870 | function openpopup(event, args) { |
871 | ||
872 | YAHOO.util.Event.preventDefault(event); | |
873 | ||
874 | var fullurl = args.url; | |
875 | if (!args.url.match(/https?:\/\//)) { | |
9598d578 | 876 | fullurl = M.cfg.wwwroot + args.url; |
bed9cec8 | 877 | } |
f8065dd2 | 878 | var windowobj = window.open(fullurl,args.name,args.options); |
214f5850 | 879 | if (!windowobj) { |
880 | return true; | |
881 | } | |
474f6bfe | 882 | if (args.fullscreen) { |
77241d9b | 883 | windowobj.moveTo(0,0); |
884 | windowobj.resizeTo(screen.availWidth,screen.availHeight); | |
885 | } | |
886 | windowobj.focus(); | |
887 | return false; | |
888 | } | |
740939ec | 889 | |
890 | /* This is only used on a few help pages. */ | |
891 | emoticons_help = { | |
892 | inputarea: null, | |
893 | ||
894 | init: function(formname, fieldname, listid) { | |
895 | if (!opener || !opener.document.forms[formname]) { | |
896 | return; | |
897 | } | |
898 | emoticons_help.inputarea = opener.document.forms[formname][fieldname]; | |
899 | if (!emoticons_help.inputarea) { | |
900 | return; | |
901 | } | |
902 | var emoticons = document.getElementById(listid).getElementsByTagName('li'); | |
903 | for (var i = 0; i < emoticons.length; i++) { | |
904 | var text = emoticons[i].getElementsByTagName('img')[0].alt; | |
905 | YAHOO.util.Event.addListener(emoticons[i], 'click', emoticons_help.inserttext, text); | |
906 | } | |
907 | }, | |
908 | ||
909 | inserttext: function(e, text) { | |
910 | text = ' ' + text + ' '; | |
911 | if (emoticons_help.inputarea.createTextRange && emoticons_help.inputarea.caretPos) { | |
912 | var caretPos = emoticons_help.inputarea.caretPos; | |
913 | caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? text + ' ' : text; | |
914 | } else { | |
915 | emoticons_help.inputarea.value += text; | |
916 | } | |
917 | emoticons_help.inputarea.focus(); | |
918 | } | |
bd1884fe | 919 | } |
920 | ||
921 | /** | |
922 | * Makes a best effort to connect back to Moodle to update a user preference, | |
923 | * however, there is no mechanism for finding out if the update succeeded. | |
924 | * | |
925 | * Before you can use this function in your JavsScript, you must have called | |
926 | * user_preference_allow_ajax_update from moodlelib.php to tell Moodle that | |
927 | * the udpate is allowed, and how to safely clean and submitted values. | |
928 | * | |
929 | * @param String name the name of the setting to udpate. | |
930 | * @param String the value to set it to. | |
931 | */ | |
932 | function set_user_preference(name, value) { | |
933 | // Don't generate a script error if the library has not been loaded, | |
934 | // unless we are a Developer, in which case we want the error. | |
9598d578 PS |
935 | if (YAHOO && YAHOO.util && YAHOO.util.Connect || M.cfg.developerdebug) { |
936 | var url = M.cfg.wwwroot + '/lib/ajax/setuserpref.php?sesskey=' + | |
937 | M.cfg.sesskey + '&pref=' + encodeURI(name) + '&value=' + encodeURI(value); | |
bd1884fe | 938 | |
939 | // If we are a developer, ensure that failures are reported. | |
940 | var callback = {}; | |
9598d578 | 941 | if (M.cfg.developerdebug) { |
bd1884fe | 942 | callback.failure = function() { |
943 | var a = document.createElement('a'); | |
944 | a.href = url; | |
945 | a.classname = 'error'; | |
946 | a.appendChild(document.createTextNode("Error updating user preference '" + name + "' using ajax. Clicking this link will repeat the Ajax call that failed so you can see the error.")); | |
947 | document.body.insertBefore(a, document.body.firstChild); | |
948 | } | |
949 | } | |
950 | ||
951 | // Make the request. | |
f8065dd2 | 952 | YAHOO.util.Connect.asyncRequest('GET', url, callback); |
bd1884fe | 953 | } |
3b0bf2e4 | 954 | } |
955 | ||
956 | function moodle_initialise_body() { | |
957 | document.body.className += ' jsenabled'; | |
f2eb5002 | 958 | } |
959 | ||
960 | /** | |
961 | * Oject to handle a collapsible region, see print_collapsible_region in weblib.php | |
962 | * @constructor | |
963 | * @param String id the HTML id for the div. | |
964 | * @param String userpref the user preference that records the state of this box. false if none. | |
965 | * @param Boolean startcollapsed whether the box should start collapsed. | |
966 | */ | |
a28c9253 | 967 | function collapsible_region(id, userpref, strtooltip, collapsedicon, expandedicon) { |
fc367afb PS |
968 | var context = this; |
969 | ||
970 | YUI(M.yui.loader).use('anim', function(Y) { | |
971 | // Record the pref name | |
972 | context.userpref = userpref; | |
973 | context.collapsedicon = collapsedicon; | |
974 | context.expandedicon = expandedicon; | |
975 | ||
976 | // Find the divs in the document. | |
977 | context.div = document.getElementById(id); | |
978 | context.innerdiv = document.getElementById(id + '_sizer'); | |
979 | context.caption = document.getElementById(id + '_caption'); | |
980 | context.caption.title = strtooltip; | |
981 | ||
982 | // Put the contents of caption in an <a> to make it focussable. | |
983 | var a = document.createElement('a'); | |
984 | while (e = context.caption.firstChild) { | |
985 | a.appendChild(e); | |
986 | } | |
987 | a.href = '#'; | |
988 | context.caption.appendChild(a); | |
989 | ||
990 | // Create the animation. | |
991 | context.animation = new Y.Anim({ | |
992 | node: context.div, | |
993 | duration: 0.3, | |
994 | easing: Y.Easing.easeBoth | |
995 | }); | |
996 | ||
997 | // Get to the right initial state. | |
998 | if (context.div.className.match(/\bcollapsed\b/)) { | |
999 | context.collapsed = true; | |
1000 | var region = Y.one(context.caption).get('region'); | |
1001 | context.div.style.height = (region.bottom - region.top + 3) + 'px'; | |
1002 | } | |
1003 | ||
1004 | // Add the appropriate image. | |
1005 | context.icon = document.createElement('img'); | |
1006 | context.icon.id = id + '_icon'; | |
1007 | context.icon.alt = ''; | |
1008 | if (context.collapsed) { | |
1009 | context.icon.src = context.collapsedicon; | |
1010 | } else { | |
1011 | context.icon.src = context.expandedicon; | |
1012 | } | |
1013 | a.appendChild(context.icon); | |
1014 | ||
1015 | // Hook up the event handler. | |
1016 | Y.on('click', context.handle_click, a, context); | |
1017 | ||
1018 | // Handler for the animation finishing. | |
1019 | context.animation.on('end', function() { | |
1020 | if (this.collapsed) { | |
1021 | this.div.className += ' collapsed'; | |
1022 | } | |
1023 | }, context); | |
1024 | }); | |
f2eb5002 | 1025 | } |
1026 | ||
1027 | /** | |
1028 | * The user preference that stores the state of this box. | |
6a208406 | 1029 | * @property userpref |
f2eb5002 | 1030 | * @type String |
1031 | */ | |
1032 | collapsible_region.prototype.userpref = null; | |
1033 | ||
1034 | /** | |
f8065dd2 | 1035 | * The key divs that make up this |
f2eb5002 | 1036 | * @property div, innerdiv, captiondiv |
1037 | * @type HTMLDivElement | |
1038 | */ | |
1039 | collapsible_region.prototype.div = null; | |
1040 | collapsible_region.prototype.innerdiv = null; | |
1041 | collapsible_region.prototype.captiondiv = null; | |
1042 | ||
1043 | /** | |
f8065dd2 | 1044 | * The key divs that make up this |
f2eb5002 | 1045 | * @property icon |
1046 | * @type HTMLImageElement | |
1047 | */ | |
1048 | collapsible_region.prototype.icon = null; | |
1049 | ||
1050 | /** | |
1051 | * Whether the region is currently collapsed. | |
1052 | * @property collapsed | |
1053 | * @type Boolean | |
1054 | */ | |
1055 | collapsible_region.prototype.collapsed = false; | |
1056 | ||
1057 | /** | |
1058 | * @property animation | |
fc367afb | 1059 | * @type Y.Anim |
f2eb5002 | 1060 | */ |
1061 | collapsible_region.prototype.animation = null; | |
1062 | ||
904998d8 | 1063 | /** When clicked, toggle the collapsed state, and trigger the animation. */ |
f2eb5002 | 1064 | collapsible_region.prototype.handle_click = function(e) { |
fc367afb PS |
1065 | var context = this; |
1066 | ||
1067 | YUI(M.yui.loader).use('anim', function(Y) { | |
1068 | // Toggle the state. | |
1069 | context.collapsed = !context.collapsed; | |
1070 | ||
1071 | // Stop the click following the link. | |
1072 | e.preventDefault(); | |
1073 | ||
1074 | // Animate to the appropriate size. | |
1075 | if (context.animation.get('running')) { | |
1076 | context.animation.stop(); | |
1077 | } | |
1078 | if (context.collapsed) { | |
1079 | var region = Y.one(context.caption).get('region'); | |
1080 | var targetheight = region.bottom - region.top + 3; | |
1081 | } else { | |
1082 | var region = Y.one(context.innerdiv).get('region'); | |
1083 | var targetheight = region.bottom - region.top + 2; | |
1084 | context.div.className = context.div.className.replace(/\s*\bcollapsed\b\s*/, ' '); | |
1085 | } | |
1086 | context.animation.set('to', { height: targetheight }); | |
1087 | context.animation.run(); | |
904998d8 | 1088 | |
fc367afb PS |
1089 | // Set the appropriate icon. |
1090 | if (context.collapsed) { | |
1091 | context.icon.src =context.collapsedicon; | |
1092 | } else { | |
1093 | context.icon.src = context.expandedicon; | |
1094 | } | |
1095 | ||
1096 | // Update the user preference. | |
1097 | if (context.userpref) { | |
1098 | set_user_preference(context.userpref, context.collapsed); | |
1099 | } | |
1100 | }); | |
b166403f | 1101 | } |
1102 | ||
d4a03c00 | 1103 | /** |
1104 | * Oject to handle expanding and collapsing blocks when an icon is clicked on. | |
1105 | * @constructor | |
1106 | * @param String id the HTML id for the div. | |
1107 | * @param String userpref the user preference that records the state of this block. | |
1108 | * @param String visibletooltip tool tip/alt to show when the block is visible. | |
1109 | * @param String hiddentooltip tool tip/alt to show when the block is hidden. | |
1110 | * @param String visibleicon URL of the icon to show when the block is visible. | |
1111 | * @param String hiddenicon URL of the icon to show when the block is hidden. | |
1112 | */ | |
1113 | function block_hider(id, userpref, visibletooltip, hiddentooltip, visibleicon, hiddenicon) { | |
1114 | // Find the elemen that is the block. | |
1115 | this.block = document.getElementById(id); | |
1116 | var title_div = YAHOO.util.Dom.getElementsByClassName('title', 'div', this.block); | |
1117 | if (!title_div || !title_div[0]) { | |
1118 | return this; | |
1119 | } | |
1120 | title_div = title_div[0]; | |
1121 | this.ishidden = YAHOO.util.Dom.hasClass(this.block, 'hidden'); | |
1122 | ||
1123 | // Record the pref name | |
1124 | this.userpref = userpref; | |
1125 | this.visibletooltip = visibletooltip; | |
1126 | this.hiddentooltip = hiddentooltip; | |
1127 | this.visibleicon = visibleicon; | |
1128 | this.hiddenicon = hiddenicon; | |
1129 | ||
1130 | // Add the icon. | |
1131 | this.icon = document.createElement('input'); | |
1132 | this.icon.type = 'image'; | |
1133 | this.icon.className = 'hide-show-image'; | |
1134 | this.update_state(); | |
1135 | title_div.insertBefore(this.icon, title_div.firstChild); | |
1136 | ||
1137 | // Hook up the event handler. | |
1138 | YAHOO.util.Event.addListener(this.icon, 'click', this.handle_click, null, this); | |
1139 | } | |
1140 | ||
1141 | /** Handle click on a block show/hide icon. */ | |
1142 | block_hider.prototype.handle_click = function(e) { | |
1143 | YAHOO.util.Event.stopEvent(e); | |
1144 | this.ishidden = !this.ishidden; | |
1145 | this.update_state(); | |
1146 | set_user_preference(this.userpref, this.ishidden); | |
1147 | } | |
1148 | ||
1149 | /** Set the state of the block show/hide icon to this.ishidden. */ | |
1150 | block_hider.prototype.update_state = function () { | |
1151 | if (this.ishidden) { | |
1152 | YAHOO.util.Dom.addClass(this.block, 'hidden'); | |
1153 | this.icon.alt = this.hiddentooltip; | |
1154 | this.icon.title = this.hiddentooltip; | |
1155 | this.icon.src = this.hiddenicon; | |
1156 | } else { | |
1157 | YAHOO.util.Dom.removeClass(this.block, 'hidden'); | |
1158 | this.icon.alt = this.visibletooltip; | |
1159 | this.icon.title = this.visibletooltip; | |
1160 | this.icon.src = this.visibleicon; | |
1161 | } | |
1162 | } | |
1163 | ||
b166403f | 1164 | /** Close the current browser window. */ |
7a5c78e0 | 1165 | function close_window(e) { |
1166 | YAHOO.util.Event.preventDefault(e); | |
1167 | self.close(); | |
b166403f | 1168 | } |
1169 | ||
1170 | /** | |
1171 | * Close the current browser window, forcing the window/tab that opened this | |
1172 | * popup to reload itself. */ | |
1173 | function close_window_reloading_opener() { | |
1174 | if (window.opener) { | |
1175 | window.opener.location.reload(1); | |
1176 | close_window(); | |
1177 | // Intentionally, only try to close the window if there is some evidence we are in a popup. | |
1178 | } | |
8e7cebb0 | 1179 | } |
9f319372 | 1180 | |
1181 | /** | |
1182 | * Used in a couple of modules to hide navigation areas when using AJAX | |
1183 | */ | |
1184 | function hide_item(itemid) { | |
1185 | var item = document.getElementById(itemid); | |
1186 | if (item) { | |
1187 | item.style.display = "none"; | |
1188 | } | |
34a2777c | 1189 | } |
1190 | ||
2538037f | 1191 | function show_item(itemid) { |
1192 | var item = document.getElementById(itemid); | |
1193 | if (item) { | |
1194 | item.style.display = ""; | |
1195 | } | |
1196 | } | |
1197 | ||
1198 | function destroy_item(itemid) { | |
1199 | var item = document.getElementById(itemid); | |
1200 | if (item) { | |
1201 | item.parentNode.removeChild(item); | |
1202 | } | |
1203 | } | |
34a2777c | 1204 | /** |
1205 | * Tranfer keyboard focus to the HTML element with the given id, if it exists. | |
1206 | * @param controlid the control id. | |
1207 | */ | |
1208 | function focuscontrol(controlid) { | |
1209 | var control = document.getElementById(controlid); | |
1210 | if (control) { | |
1211 | control.focus(); | |
1212 | } | |
e29380f3 | 1213 | } |
1214 | ||
e11a8328 | 1215 | /** |
1216 | * Transfers keyboard focus to an HTML element based on the old style style of focus | |
1217 | * This function should be removed as soon as it is no longer used | |
1218 | */ | |
428acddb | 1219 | function old_onload_focus(formid, controlname) { |
5f8bce50 | 1220 | if (document.forms[formid] && document.forms[formid].elements && document.forms[formid].elements[controlname]) { |
428acddb | 1221 | document.forms[formid].elements[controlname].focus(); |
e11a8328 | 1222 | } |
1223 | } | |
1224 | ||
4d49202f | 1225 | function create_UFO_object(eid) { |
1226 | UFO.create(FO, eid); | |
1227 | } | |
1bcb7eb5 | 1228 | function build_querystring(obj) { |
1229 | if (typeof obj !== 'object') { | |
1230 | return null; | |
1231 | } | |
1232 | var list = []; | |
1233 | for(var k in obj) { | |
1234 | k = encodeURIComponent(k); | |
1235 | var value = obj[k]; | |
1236 | if(obj[k] instanceof Array) { | |
1237 | for(var i in value) { | |
1238 | list.push(k+'[]='+encodeURIComponent(value[i])); | |
1239 | } | |
1240 | } else { | |
1241 | list.push(k+'='+encodeURIComponent(value)); | |
1242 | } | |
1243 | } | |
1244 | return list.join('&'); | |
1245 | } | |
d25e2ca3 | 1246 | |
1247 | function stripHTML(str) { | |
1248 | var re = /<\S[^><]*>/g; | |
1249 | var ret = str.replace(re, ""); | |
1250 | return ret; | |
1251 | } | |
1252 | ||
1253 | function json_decode(json) { | |
2539ce37 | 1254 | return Y.JSON.parse(json); |
d25e2ca3 | 1255 | } |
1256 | ||
1257 | function json_encode(data) { | |
2539ce37 | 1258 | return Y.JSON.stringify(data); |
d25e2ca3 | 1259 | } |
1260 | ||
f8065dd2 | 1261 | /** |
1262 | * Finds all help icons on the page and initiates YUI tooltips for | |
1263 | * each of them, which load a truncated version of the help's content | |
1264 | * on-the-fly asynchronously | |
1265 | */ | |
1266 | function init_help_icons() { | |
1267 | // var logger = new YAHOO.widget.LogReader(document.body, {draggable: true}); | |
1268 | ||
1269 | var iconspans = YAHOO.util.Dom.getElementsByClassName('helplink', 'span'); | |
1270 | ||
1271 | var tooltip = new YAHOO.widget.Tooltip('help_icon_tooltip', { | |
1272 | context: iconspans, | |
2b32850e | 1273 | showdelay: 1000, |
f8065dd2 | 1274 | hidedelay: 150, |
1275 | autodismissdelay: 50000, | |
d2ccd2c7 AD |
1276 | underlay: 'none', |
1277 | zIndex: '1000' | |
f8065dd2 | 1278 | }); |
1279 | ||
bf11293a PS |
1280 | // remove all titles, they would obscure the YUI tooltip |
1281 | for (var i = 0; i < iconspans.length; i++) { | |
fc367afb | 1282 | iconspans[i].getElementsByTagName('a')[0].title = ''; |
bf11293a PS |
1283 | } |
1284 | ||
f8065dd2 | 1285 | tooltip.contextTriggerEvent.subscribe( |
1286 | function(type, args) { | |
1287 | // Fetch help page contents asynchronously | |
1288 | // Load spinner icon while content is loading | |
1289 | var spinner = document.createElement('img'); | |
9598d578 | 1290 | spinner.src = M.cfg.loadingicon; |
f8065dd2 | 1291 | |
1292 | this.cfg.setProperty('text', spinner); | |
1293 | ||
1294 | var context = args[0]; | |
1295 | context.title = ''; | |
1296 | ||
1297 | var link = context.getElementsByTagName('a')[0]; | |
f8065dd2 | 1298 | var thistooltip = this; |
1299 | var ajaxurl = link.href + '&fortooltip=1'; | |
1300 | ||
1301 | ||
1302 | var callback = { | |
1303 | success: function(o) { | |
1304 | thistooltip.cfg.setProperty('text', o.responseText); | |
1305 | }, | |
1306 | failure: function(o) { | |
1307 | var debuginfo = o.statusText; | |
9598d578 | 1308 | if (M.cfg.developerdebug) { |
f8065dd2 | 1309 | o.statusText += ' (' + ajaxurl + ')'; |
1310 | } | |
1311 | thistooltip.cfg.setProperty('text', debuginfo); | |
1312 | } | |
1313 | }; | |
1314 | ||
1315 | var conn = YAHOO.util.Connect.asyncRequest("get", ajaxurl, callback); | |
1316 | } | |
1317 | ); | |
1318 | } | |
1319 | ||
1320 | /** | |
1321 | * Prints a confirmation dialog in the style of DOM.confirm(). | |
1322 | * @param object event A DOM event | |
1323 | * @param string message The message to show in the dialog | |
1324 | * @param string url The URL to forward to if YES is clicked. Disabled if fn is given | |
1325 | * @param function fn A JS function to run if YES is clicked. | |
1326 | */ | |
49690843 | 1327 | function confirm_dialog(event, args) { |
1328 | var message = args.message; | |
1329 | var target = this; | |
5529f787 | 1330 | target.args = args; |
f8065dd2 | 1331 | YAHOO.util.Event.preventDefault(event); |
1332 | ||
1333 | var simpledialog = new YAHOO.widget.SimpleDialog('confirmdialog', | |
1334 | { width: '300px', | |
1335 | fixedcenter: true, | |
1336 | modal: true, | |
1337 | visible: false, | |
1338 | draggable: false | |
1339 | } | |
1340 | ); | |
1341 | ||
5f56f0a8 | 1342 | simpledialog.setHeader(mstr.admin.confirmation); |
f8065dd2 | 1343 | simpledialog.setBody(message); |
1344 | simpledialog.cfg.setProperty('icon', YAHOO.widget.SimpleDialog.ICON_WARN); | |
1345 | ||
5529f787 | 1346 | this.handle_cancel = function() { |
f8065dd2 | 1347 | this.hide(); |
1348 | }; | |
1349 | ||
5529f787 | 1350 | this.handle_yes = function() { |
f8065dd2 | 1351 | this.hide(); |
5529f787 | 1352 | |
1353 | if (target.args.callback) { | |
1354 | // args comes from PHP, so callback will be a string, needs to be evaluated by JS | |
2539ce37 DC |
1355 | var callback = null; |
1356 | if (Y.Lang.isFunction(target.args.callback)) { | |
1357 | callback = target.args.callback; | |
1358 | } else { | |
1359 | callback = eval('('+target.args.callback+')'); | |
1360 | } | |
1361 | if (Y.Lang.isObject(target.args.scope)) { | |
1362 | callback.apply(target.args.scope); | |
1363 | } else { | |
1364 | callback(); | |
1365 | } | |
5529f787 | 1366 | } |
1367 | ||
f8065dd2 | 1368 | if (target.tagName.toLowerCase() == 'a') { |
1369 | window.location = target.href; | |
1370 | } else if (target.tagName.toLowerCase() == 'input') { | |
1371 | var parentelement = target.parentNode; | |
1372 | while (parentelement.tagName.toLowerCase() != 'form' && parentelement.tagName.toLowerCase() != 'body') { | |
1373 | parentelement = parentelement.parentNode; | |
1374 | } | |
1375 | if (parentelement.tagName.toLowerCase() == 'form') { | |
1376 | parentelement.submit(); | |
1377 | } | |
9598d578 | 1378 | } else if(M.cfg.developerdebug) { |
f8065dd2 | 1379 | alert("Element of type " + target.tagName + " is not supported by the confirm_dialog function. Use A or INPUT"); |
1380 | } | |
1381 | }; | |
1382 | ||
5529f787 | 1383 | var buttons = [ { text: mstr.moodle.cancel, handler: this.handle_cancel, isDefault: true }, |
1384 | { text: mstr.moodle.yes, handler: this.handle_yes } ]; | |
f8065dd2 | 1385 | |
1386 | simpledialog.cfg.queueProperty('buttons', buttons); | |
1387 | ||
1388 | simpledialog.render(document.body); | |
1389 | simpledialog.show(); | |
5529f787 | 1390 | return simpledialog; |
1391 | } | |
1392 | ||
1393 | function dialog_callback() { | |
1394 | console.debug(this); | |
1395 | console.debug(this.args); | |
f8065dd2 | 1396 | } |
fd4faf98 | 1397 | Number.prototype.fixed=function(n){ |
1398 | with(Math) | |
1399 | return round(Number(this)*pow(10,n))/pow(10,n); | |
1400 | } | |
1401 | function update_progress_bar (id, width, pt, msg, es){ | |
1402 | var percent = pt*100; | |
1403 | var status = document.getElementById("status_"+id); | |
1404 | var percent_indicator = document.getElementById("pt_"+id); | |
1405 | var progress_bar = document.getElementById("progress_"+id); | |
1406 | var time_es = document.getElementById("time_"+id); | |
1407 | status.innerHTML = msg; | |
1408 | percent_indicator.innerHTML = percent.fixed(2) + '%'; | |
1409 | if(percent == 100) { | |
1410 | progress_bar.style.background = "green"; | |
1411 | time_es.style.display = "none"; | |
1412 | } else { | |
1413 | progress_bar.style.background = "#FFCC66"; | |
1414 | if (es == Infinity){ | |
1415 | time_es.innerHTML = "Initializing..."; | |
1416 | }else { | |
1417 | time_es.innerHTML = es.fixed(2)+" sec"; | |
1418 | time_es.style.display | |
1419 | = "block"; | |
1420 | } | |
1421 | } | |
1422 | progress_bar.style.width = width + "px"; | |
1423 | ||
1424 | } | |
bf6c37c7 | 1425 | |
1426 | function frame_breakout(e, properties) { | |
1427 | this.setAttribute('target', properties.framename); | |
41f23791 | 1428 | } |
78946b9b | 1429 | |
73b62703 PS |
1430 | |
1431 | // ===== Deprecated core Javascript functions for Moodle ==== | |
1432 | // DO NOT USE!!!!!!! | |
e50b4c89 | 1433 | // Do not put this stuff in separate file because it only adds extra load on servers! |
73b62703 PS |
1434 | |
1435 | function submitFormById(id) { | |
1436 | submit_form_by_id(null, {id: id}); | |
adacb0fe | 1437 | } |