Commit | Line | Data |
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47aa42e2 | 1 | // Miscellaneous core Javascript functions for Moodle |
e50b4c89 | 2 | // Global M object is initilised in inline javascript |
34f76e9a | 3 | |
e50b4c89 PS |
4 | /** |
5 | * Add module to list of available modules that can be laoded from YUI. | |
126590b7 | 6 | * @param {Array} modules |
e50b4c89 PS |
7 | */ |
8 | M.yui.add_module = function(modules) { | |
126590b7 | 9 | for (var modname in modules) { |
fc367afb PS |
10 | M.yui.loader.modules[modname] = modules[modname]; |
11 | } | |
e50b4c89 PS |
12 | }; |
13 | ||
38224dcb | 14 | |
bca09754 PS |
15 | /** |
16 | * Various utility functions | |
17 | */ | |
38224dcb PS |
18 | M.util = {}; |
19 | ||
20 | /** | |
21 | * Returns url for images. | |
126590b7 SH |
22 | * @param {String} imagename |
23 | * @param {String} component | |
24 | * @return {String} | |
38224dcb PS |
25 | */ |
26 | M.util.image_url = function(imagename, component) { | |
27 | var url = M.cfg.wwwroot + '/theme/image.php?theme=' + M.cfg.theme + '&image=' + imagename; | |
28 | ||
29 | if (M.cfg.themerev > 0) { | |
30 | url = url + '&rev=' + M.cfg.themerev; | |
31 | } | |
32 | ||
33 | if (component != '' && component != 'moodle' && component != 'core') { | |
34 | url = url + '&component=' + component; | |
35 | } | |
36 | ||
37 | return url; | |
38 | }; | |
39 | ||
10eaeca8 PS |
40 | M.util.create_UFO_object = function (eid, FO) { |
41 | UFO.create(FO, eid); | |
42 | } | |
43 | ||
38224dcb PS |
44 | /** |
45 | * Init a collapsible region, see print_collapsible_region in weblib.php | |
126590b7 SH |
46 | * @param {YUI} Y YUI3 instance with all libraries loaded |
47 | * @param {String} id the HTML id for the div. | |
48 | * @param {String} userpref the user preference that records the state of this box. false if none. | |
49 | * @param {String} strtooltip | |
38224dcb PS |
50 | */ |
51 | M.util.init_collapsible_region = function(Y, id, userpref, strtooltip) { | |
52 | Y.use('anim', function(Y) { | |
3b044ba3 | 53 | new M.util.CollapsibleRegion(Y, id, userpref, strtooltip); |
38224dcb PS |
54 | }); |
55 | }; | |
56 | ||
57 | /** | |
126590b7 | 58 | * Object to handle a collapsible region : instantiate and forget styled object |
3b044ba3 | 59 | * |
126590b7 | 60 | * @class |
38224dcb | 61 | * @constructor |
126590b7 SH |
62 | * @param {YUI} Y YUI3 instance with all libraries loaded |
63 | * @param {String} id The HTML id for the div. | |
64 | * @param {String} userpref The user preference that records the state of this box. false if none. | |
65 | * @param {String} strtooltip | |
38224dcb PS |
66 | */ |
67 | M.util.CollapsibleRegion = function(Y, id, userpref, strtooltip) { | |
38224dcb PS |
68 | // Record the pref name |
69 | this.userpref = userpref; | |
38224dcb PS |
70 | |
71 | // Find the divs in the document. | |
126590b7 SH |
72 | this.div = Y.one('#'+id); |
73 | ||
74 | // Get the caption for the collapsible region | |
75 | var caption = this.div.one('#'+id + '_caption'); | |
76 | caption.setAttribute('title', strtooltip); | |
77 | ||
78 | // Create a link | |
79 | var a = Y.Node.create('<a href="#"></a>'); | |
80 | // Create a local scoped lamba function to move nodes to a new link | |
81 | var movenode = function(node){ | |
82 | node.remove(); | |
83 | a.append(node); | |
84 | }; | |
85 | // Apply the lamba function on each of the captions child nodes | |
86 | caption.get('children').each(movenode, this); | |
87 | caption.append(a); | |
88 | ||
89 | // Get the height of the div at this point before we shrink it if required | |
90 | var height = this.div.get('offsetHeight'); | |
91 | if (this.div.hasClass('collapsed')) { | |
92 | // Add the correct image and record the YUI node created in the process | |
93 | this.icon = Y.Node.create('<img src="'+M.util.image_url('t/collapsed', 'moodle')+'" alt="" />'); | |
94 | // Shrink the div as it is collapsed by default | |
95 | this.div.setStyle('height', caption.get('offsetHeight')+'px'); | |
96 | } else { | |
97 | // Add the correct image and record the YUI node created in the process | |
98 | this.icon = Y.Node.create('<img src="'+M.util.image_url('t/expanded', 'moodle')+'" alt="" />'); | |
38224dcb | 99 | } |
126590b7 | 100 | a.append(this.icon); |
38224dcb PS |
101 | |
102 | // Create the animation. | |
126590b7 | 103 | var animation = new Y.Anim({ |
38224dcb PS |
104 | node: this.div, |
105 | duration: 0.3, | |
126590b7 SH |
106 | easing: Y.Easing.easeBoth, |
107 | to: {height:caption.get('offsetHeight')}, | |
108 | from: {height:height} | |
38224dcb | 109 | }); |
3b044ba3 | 110 | |
38224dcb | 111 | // Handler for the animation finishing. |
126590b7 SH |
112 | animation.on('end', function() { |
113 | this.div.toggleClass('collapsed'); | |
114 | if (this.div.hasClass('collapsed')) { | |
115 | this.icon.set('src', M.util.image_url('t/collapsed', 'moodle')); | |
116 | } else { | |
117 | this.icon.set('src', M.util.image_url('t/expanded', 'moodle')); | |
fc367afb | 118 | } |
38224dcb | 119 | }, this); |
126590b7 SH |
120 | |
121 | // Hook up the event handler. | |
122 | a.on('click', function(e, animation) { | |
123 | e.preventDefault(); | |
124 | // Animate to the appropriate size. | |
125 | if (animation.get('running')) { | |
126 | animation.stop(); | |
127 | } | |
128 | animation.set('reverse', this.div.hasClass('collapsed')); | |
129 | // Update the user preference. | |
130 | if (this.userpref) { | |
131 | set_user_preference(this.userpref, !this.div.hasClass('collapsed')); | |
132 | } | |
133 | animation.run(); | |
134 | }, this, animation); | |
38224dcb PS |
135 | }; |
136 | ||
137 | /** | |
138 | * The user preference that stores the state of this box. | |
139 | * @property userpref | |
140 | * @type String | |
141 | */ | |
142 | M.util.CollapsibleRegion.prototype.userpref = null; | |
143 | ||
144 | /** | |
145 | * The key divs that make up this | |
126590b7 SH |
146 | * @property div |
147 | * @type Y.Node | |
38224dcb PS |
148 | */ |
149 | M.util.CollapsibleRegion.prototype.div = null; | |
38224dcb PS |
150 | |
151 | /** | |
152 | * The key divs that make up this | |
153 | * @property icon | |
126590b7 | 154 | * @type Y.Node |
38224dcb PS |
155 | */ |
156 | M.util.CollapsibleRegion.prototype.icon = null; | |
157 | ||
3b044ba3 PS |
158 | /** |
159 | * Finds all help icons on the page and initiates YUI tooltips for | |
160 | * each of them, which load a truncated version of the help's content | |
161 | * on-the-fly asynchronously | |
162 | */ | |
163 | M.util.init_help_icons = function(Y) { | |
164 | Y.use('yui2-dom, yui2-container, io', function(Y) { | |
165 | // remove all titles, they would obscure the YUI tooltip | |
166 | Y.all('span.helplink a').each(function(node) { | |
167 | node.set('title', ''); | |
168 | }); | |
169 | ||
170 | var iconspans = YAHOO.util.Dom.getElementsByClassName('helplink', 'span'); | |
171 | var tooltip = new YAHOO.widget.Tooltip('help_icon_tooltip', { | |
172 | context: iconspans, | |
173 | showdelay: 1000, | |
174 | hidedelay: 150, | |
175 | autodismissdelay: 50000, | |
176 | underlay: 'none', | |
177 | zIndex: '1000' | |
178 | }); | |
179 | ||
180 | tooltip.contextTriggerEvent.subscribe( | |
181 | function(type, args) { | |
182 | // Fetch help page contents asynchronously | |
183 | // Load spinner icon while content is loading | |
184 | var spinner = document.createElement('img'); | |
185 | spinner.src = M.cfg.loadingicon; | |
186 | ||
187 | this.cfg.setProperty('text', spinner); | |
188 | ||
189 | var context = args[0]; | |
190 | ||
191 | var link = context.getElementsByTagName('a')[0]; | |
192 | var thistooltip = this; | |
193 | var ajaxurl = link.href + '&fortooltip=1'; | |
194 | ||
195 | ||
196 | var cfg = { | |
197 | method: 'get', | |
198 | on: { | |
199 | success: function(id, o, args) { | |
200 | thistooltip.cfg.setProperty('text', o.responseText); | |
201 | }, | |
202 | failure: function(id, o, args) { | |
203 | var debuginfo = o.statusText; | |
204 | if (M.cfg.developerdebug) { | |
205 | o.statusText += ' (' + ajaxurl + ')'; | |
206 | } | |
207 | thistooltip.cfg.setProperty('text', debuginfo); | |
208 | } | |
209 | } | |
210 | }; | |
211 | ||
212 | var conn = Y.io(ajaxurl, cfg); | |
213 | } | |
214 | ); | |
215 | }); | |
216 | }; | |
217 | ||
38224dcb PS |
218 | //=== old legacy JS code, hopefully to be replaced soon by M.xx.yy and YUI3 code === |
219 | ||
b48fd7b5 | 220 | function popupchecker(msg) { |
496e3ccd | 221 | var testwindow = window.open('', '', 'width=1,height=1,left=0,top=0,scrollbars=no'); |
f6b6861d | 222 | if (!testwindow) { |
223 | alert(msg); | |
224 | } else { | |
b48fd7b5 | 225 | testwindow.close(); |
226 | } | |
227 | } | |
228 | ||
63d28811 | 229 | function checkall() { |
214f5850 | 230 | var inputs = document.getElementsByTagName('input'); |
231 | for (var i = 0; i < inputs.length; i++) { | |
232 | if (inputs[i].type == 'checkbox') { | |
233 | inputs[i].checked = true; | |
234 | } | |
d2ce367f | 235 | } |
63d28811 | 236 | } |
237 | ||
03f9425f | 238 | function checknone() { |
214f5850 | 239 | var inputs = document.getElementsByTagName('input'); |
240 | for (var i = 0; i < inputs.length; i++) { | |
241 | if (inputs[i].type == 'checkbox') { | |
242 | inputs[i].checked = false; | |
243 | } | |
d2ce367f | 244 | } |
03f9425f | 245 | } |
246 | ||
d2ce367f | 247 | function lockoptions(formid, master, subitems) { |
027d0485 | 248 | // Subitems is an array of names of sub items. |
249 | // Optionally, each item in subitems may have a | |
63d28811 | 250 | // companion hidden item in the form with the |
027d0485 | 251 | // same name but prefixed by "h". |
d2ce367f | 252 | var form = document.forms[formid]; |
253 | ||
254 | if (eval("form."+master+".checked")) { | |
63d28811 | 255 | for (i=0; i<subitems.length; i++) { |
256 | unlockoption(form, subitems[i]); | |
257 | } | |
258 | } else { | |
259 | for (i=0; i<subitems.length; i++) { | |
260 | lockoption(form, subitems[i]); | |
261 | } | |
262 | } | |
263 | return(true); | |
264 | } | |
265 | ||
f07b9627 | 266 | function lockoption(form,item) { |
d2ce367f | 267 | eval("form."+item+".disabled=true");/* IE thing */ |
268 | if(form.elements['h'+item]) { | |
269 | eval("form.h"+item+".value=1"); | |
f07b9627 | 270 | } |
271 | } | |
272 | ||
273 | function unlockoption(form,item) { | |
d2ce367f | 274 | eval("form."+item+".disabled=false");/* IE thing */ |
275 | if(form.elements['h'+item]) { | |
276 | eval("form.h"+item+".value=0"); | |
f07b9627 | 277 | } |
278 | } | |
dd07bbac | 279 | |
b51709c1 | 280 | /** |
281 | * Get the value of the 'virtual form element' with a particular name. That is, | |
282 | * abstracts away the difference between a normal form element, like a select | |
283 | * which is a single HTML element with a .value property, and a set of radio | |
284 | * buttons, which is several HTML elements. | |
285 | * | |
286 | * @param form a HTML form. | |
287 | * @param master the name of an element in that form. | |
288 | * @return the value of that element. | |
289 | */ | |
290 | function get_form_element_value(form, name) { | |
291 | var element = form[name]; | |
292 | if (!element) { | |
293 | return null; | |
294 | } | |
295 | if (element.tagName) { | |
296 | // Ordinarly thing like a select box. | |
297 | return element.value; | |
298 | } | |
299 | // Array of things, like radio buttons. | |
300 | for (var j = 0; j < element.length; j++) { | |
301 | var el = element[j]; | |
302 | if (el.checked) { | |
303 | return el.value; | |
304 | } | |
305 | } | |
306 | return null; | |
307 | } | |
308 | ||
309 | ||
310 | /** | |
311 | * Set the disabled state of the 'virtual form element' with a particular name. | |
312 | * This abstracts away the difference between a normal form element, like a select | |
313 | * which is a single HTML element with a .value property, and a set of radio | |
314 | * buttons, which is several HTML elements. | |
315 | * | |
316 | * @param form a HTML form. | |
317 | * @param master the name of an element in that form. | |
318 | * @param disabled the disabled state to set. | |
319 | */ | |
320 | function set_form_element_disabled(form, name, disabled) { | |
321 | var element = form[name]; | |
322 | if (!element) { | |
323 | return; | |
324 | } | |
325 | if (element.tagName) { | |
326 | // Ordinarly thing like a select box. | |
327 | element.disabled = disabled; | |
328 | } | |
329 | // Array of things, like radio buttons. | |
330 | for (var j = 0; j < element.length; j++) { | |
331 | var el = element[j]; | |
332 | el.disabled = disabled; | |
333 | } | |
334 | } | |
dd07bbac | 335 | |
41f23791 | 336 | /** |
337 | * Set the hidden state of the 'virtual form element' with a particular name. | |
338 | * This abstracts away the difference between a normal form element, like a select | |
339 | * which is a single HTML element with a .value property, and a set of radio | |
340 | * buttons, which is several HTML elements. | |
341 | * | |
342 | * @param form a HTML form. | |
343 | * @param master the name of an element in that form. | |
344 | * @param hidden the hidden state to set. | |
345 | */ | |
346 | function set_form_element_hidden(form, name, hidden) { | |
347 | var element = form[name]; | |
348 | if (!element) { | |
349 | return; | |
350 | } | |
351 | if (element.tagName) { | |
352 | var el = findParentNode(element, 'DIV', 'fitem', false); | |
353 | if (el!=null) { | |
354 | el.style.display = hidden ? 'none' : ''; | |
355 | el.style.visibility = hidden ? 'hidden' : ''; | |
356 | } | |
357 | } | |
358 | // Array of things, like radio buttons. | |
359 | for (var j = 0; j < element.length; j++) { | |
360 | var el = findParentNode(element[j], 'DIV', 'fitem', false); | |
361 | if (el!=null) { | |
362 | el.style.display = hidden ? 'none' : ''; | |
363 | el.style.visibility = hidden ? 'hidden' : ''; | |
364 | } | |
365 | } | |
366 | } | |
367 | ||
50ef8eb9 | 368 | function lockoptionsall(formid) { |
dd07bbac | 369 | var form = document.forms[formid]; |
b51709c1 | 370 | var dependons = eval(formid + 'items'); |
371 | var tolock = []; | |
41f23791 | 372 | var tohide = []; |
dd07bbac | 373 | for (var dependon in dependons) { |
d63ef3b8 | 374 | // change for MooTools compatibility |
375 | if (!dependons.propertyIsEnumerable(dependon)) { | |
376 | continue; | |
377 | } | |
b51709c1 | 378 | if (!form[dependon]) { |
4bc24867 | 379 | continue; |
380 | } | |
dd07bbac | 381 | for (var condition in dependons[dependon]) { |
382 | for (var value in dependons[dependon][condition]) { | |
383 | var lock; | |
41f23791 | 384 | var hide = false; |
dd07bbac | 385 | switch (condition) { |
386 | case 'notchecked': | |
b51709c1 | 387 | lock = !form[dependon].checked; break; |
dd07bbac | 388 | case 'checked': |
b51709c1 | 389 | lock = form[dependon].checked; break; |
dd07bbac | 390 | case 'noitemselected': |
b51709c1 | 391 | lock = form[dependon].selectedIndex == -1; break; |
dd07bbac | 392 | case 'eq': |
b51709c1 | 393 | lock = get_form_element_value(form, dependon) == value; break; |
41f23791 | 394 | case 'hide': |
395 | // hide as well as disable | |
396 | hide = true; break; | |
dd07bbac | 397 | default: |
b51709c1 | 398 | lock = get_form_element_value(form, dependon) != value; break; |
dd07bbac | 399 | } |
400 | for (var ei in dependons[dependon][condition][value]) { | |
632b88d5 | 401 | var eltolock = dependons[dependon][condition][value][ei]; |
41f23791 | 402 | if (hide) { |
403 | tohide[eltolock] = true; | |
404 | } | |
b51709c1 | 405 | if (tolock[eltolock] != null) { |
406 | tolock[eltolock] = lock || tolock[eltolock]; | |
632b88d5 | 407 | } else { |
408 | tolock[eltolock] = lock; | |
409 | } | |
dd07bbac | 410 | } |
411 | } | |
50ef8eb9 | 412 | } |
dd07bbac | 413 | } |
b51709c1 | 414 | for (var el in tolock) { |
d63ef3b8 | 415 | // change for MooTools compatibility |
416 | if (!tolock.propertyIsEnumerable(el)) { | |
417 | continue; | |
418 | } | |
b51709c1 | 419 | set_form_element_disabled(form, el, tolock[el]); |
41f23791 | 420 | if (tohide.propertyIsEnumerable(el)) { |
421 | set_form_element_hidden(form, el, tolock[el]); | |
422 | } | |
632b88d5 | 423 | } |
dd07bbac | 424 | return true; |
50ef8eb9 | 425 | } |
426 | ||
d01a38cb | 427 | function lockoptionsallsetup(formid) { |
dd07bbac | 428 | var form = document.forms[formid]; |
429 | var dependons = eval(formid+'items'); | |
430 | for (var dependon in dependons) { | |
d63ef3b8 | 431 | // change for MooTools compatibility |
432 | if (!dependons.propertyIsEnumerable(dependon)) { | |
433 | continue; | |
434 | } | |
b51709c1 | 435 | var masters = form[dependon]; |
436 | if (!masters) { | |
4bc24867 | 437 | continue; |
438 | } | |
a4db2e7c | 439 | if (masters.tagName) { |
b51709c1 | 440 | // If master is radio buttons, we get an array, otherwise we don't. |
441 | // Convert both cases to an array for convinience. | |
442 | masters = [masters]; | |
443 | } | |
444 | for (var j = 0; j < masters.length; j++) { | |
445 | master = masters[j]; | |
446 | master.formid = formid; | |
447 | master.onclick = function() {return lockoptionsall(this.formid);}; | |
448 | master.onblur = function() {return lockoptionsall(this.formid);}; | |
449 | master.onchange = function() {return lockoptionsall(this.formid);}; | |
450 | } | |
dd07bbac | 451 | } |
b51709c1 | 452 | for (var i = 0; i < form.elements.length; i++) { |
dd07bbac | 453 | var formelement = form.elements[i]; |
454 | if (formelement.type=='reset') { | |
c0056e22 | 455 | formelement.formid = formid; |
456 | formelement.onclick = function() {this.form.reset();return lockoptionsall(this.formid);}; | |
457 | formelement.onblur = function() {this.form.reset();return lockoptionsall(this.formid);}; | |
458 | formelement.onchange = function() {this.form.reset();return lockoptionsall(this.formid);}; | |
dd07bbac | 459 | } |
460 | } | |
461 | return lockoptionsall(formid); | |
d01a38cb | 462 | } |
50ef8eb9 | 463 | |
dc580207 | 464 | /** |
465 | * Helper function mainly for drop-down menus' onchange events, | |
13a3ebca | 466 | * submits the form designated by args.id. |
7b1f2c82 | 467 | * Example usage of the html_select component with this function: |
dc580207 | 468 | * <pre> |
7b1f2c82 | 469 | * $select = new html_select(); |
49c8c8d2 | 470 | * $select->options = array('delete' => get_string('delete')); |
471 | * $select->name = 'action'; | |
472 | * $select->button->label = get_string('withselected', 'quiz'); | |
473 | * $select->id = 'menuaction'; | |
474 | * $select->add_action('change', 'submit_form_by_id', array('id' => 'attemptsform', 'selectid' => 'menuaction')); | |
475 | * echo $OUTPUT->select($select); | |
dc580207 | 476 | * </pre> |
477 | */ | |
478 | function submit_form_by_id(e, args) { | |
8e127eb3 | 479 | var theform = document.getElementById(args.id); |
dc580207 | 480 | if (!theform) { |
7678e65c | 481 | return false; |
482 | } | |
dc580207 | 483 | if (theform.tagName.toLowerCase() != 'form') { |
7678e65c | 484 | return false; |
485 | } | |
13a3ebca AD |
486 | //MDL-21513 the below makes the first option unselectable assuming it will be some sort |
487 | //of "Choose..." option. However if there is no placeholder first option the first item is unselectable :( | |
488 | //if (args.selectid) { | |
489 | // var select = document.getElementById(args.selectid); | |
490 | //if (select.selectedIndex == 0) { | |
491 | // return false; | |
492 | //} | |
493 | //} | |
dc580207 | 494 | return theform.submit(); |
7678e65c | 495 | } |
363cb62c | 496 | |
45caa363 | 497 | /** |
498 | * Either check, or uncheck, all checkboxes inside the element with id is | |
499 | * @param id the id of the container | |
500 | * @param checked the new state, either '' or 'checked'. | |
501 | */ | |
502 | function select_all_in_element_with_id(id, checked) { | |
503 | var container = document.getElementById(id); | |
504 | if (!container) { | |
505 | return; | |
506 | } | |
507 | var inputs = container.getElementsByTagName('input'); | |
508 | for (var i = 0; i < inputs.length; ++i) { | |
509 | if (inputs[i].type == 'checkbox' || inputs[i].type == 'radio') { | |
510 | inputs[i].checked = checked; | |
511 | } | |
512 | } | |
513 | } | |
514 | ||
8ceb09e0 | 515 | function select_all_in(elTagName, elClass, elId) { |
d2ce367f | 516 | var inputs = document.getElementsByTagName('input'); |
8ceb09e0 | 517 | inputs = filterByParent(inputs, function(el) {return findParentNode(el, elTagName, elClass, elId);}); |
363cb62c | 518 | for(var i = 0; i < inputs.length; ++i) { |
bee40515 | 519 | if(inputs[i].type == 'checkbox' || inputs[i].type == 'radio') { |
363cb62c | 520 | inputs[i].checked = 'checked'; |
521 | } | |
522 | } | |
523 | } | |
524 | ||
8ceb09e0 | 525 | function deselect_all_in(elTagName, elClass, elId) { |
363cb62c | 526 | var inputs = document.getElementsByTagName('INPUT'); |
8ceb09e0 | 527 | inputs = filterByParent(inputs, function(el) {return findParentNode(el, elTagName, elClass, elId);}); |
363cb62c | 528 | for(var i = 0; i < inputs.length; ++i) { |
bee40515 | 529 | if(inputs[i].type == 'checkbox' || inputs[i].type == 'radio') { |
363cb62c | 530 | inputs[i].checked = ''; |
531 | } | |
532 | } | |
533 | } | |
534 | ||
535 | function confirm_if(expr, message) { | |
536 | if(!expr) { | |
537 | return true; | |
538 | } | |
539 | return confirm(message); | |
540 | } | |
47aa42e2 | 541 | |
542 | ||
543 | /* | |
544 | findParentNode (start, elementName, elementClass, elementID) | |
50ef8eb9 | 545 | |
47aa42e2 | 546 | Travels up the DOM hierarchy to find a parent element with the |
547 | specified tag name, class, and id. All conditions must be met, | |
548 | but any can be ommitted. Returns the BODY element if no match | |
549 | found. | |
550 | */ | |
551 | function findParentNode(el, elName, elClass, elId) { | |
45caa363 | 552 | while (el.nodeName.toUpperCase() != 'BODY') { |
553 | if ((!elName || el.nodeName.toUpperCase() == elName) && | |
47aa42e2 | 554 | (!elClass || el.className.indexOf(elClass) != -1) && |
45caa363 | 555 | (!elId || el.id == elId)) { |
47aa42e2 | 556 | break; |
557 | } | |
558 | el = el.parentNode; | |
559 | } | |
560 | return el; | |
561 | } | |
19194f82 | 562 | /* |
563 | findChildNode (start, elementName, elementClass, elementID) | |
564 | ||
565 | Travels down the DOM hierarchy to find all child elements with the | |
566 | specified tag name, class, and id. All conditions must be met, | |
567 | but any can be ommitted. | |
a23f0aaf | 568 | Doesn't examine children of matches. |
19194f82 | 569 | */ |
570 | function findChildNodes(start, tagName, elementClass, elementID, elementName) { | |
571 | var children = new Array(); | |
83c9a8a2 | 572 | for (var i = 0; i < start.childNodes.length; i++) { |
a23f0aaf | 573 | var classfound = false; |
83c9a8a2 | 574 | var child = start.childNodes[i]; |
a23f0aaf | 575 | if((child.nodeType == 1) &&//element node type |
b51709c1 | 576 | (elementClass && (typeof(child.className)=='string'))) { |
a23f0aaf | 577 | var childClasses = child.className.split(/\s+/); |
b51709c1 | 578 | for (var childClassIndex in childClasses) { |
579 | if (childClasses[childClassIndex]==elementClass) { | |
a23f0aaf | 580 | classfound = true; |
581 | break; | |
582 | } | |
583 | } | |
584 | } | |
f07b9627 | 585 | if(child.nodeType == 1) { //element node type |
586 | if ( (!tagName || child.nodeName == tagName) && | |
587 | (!elementClass || classfound)&& | |
588 | (!elementID || child.id == elementID) && | |
589 | (!elementName || child.name == elementName)) | |
590 | { | |
591 | children = children.concat(child); | |
592 | } else { | |
593 | children = children.concat(findChildNodes(child, tagName, elementClass, elementID, elementName)); | |
594 | } | |
19194f82 | 595 | } |
19194f82 | 596 | } |
597 | return children; | |
598 | } | |
599 | /* | |
600 | elementSetHide (elements, hide) | |
601 | ||
602 | Adds or removes the "hide" class for the specified elements depending on boolean hide. | |
603 | */ | |
604 | function elementShowAdvanced(elements, show) { | |
b51709c1 | 605 | for (var elementIndex in elements) { |
19194f82 | 606 | element = elements[elementIndex]; |
607 | element.className = element.className.replace(new RegExp(' ?hide'), '') | |
608 | if(!show) { | |
609 | element.className += ' hide'; | |
610 | } | |
611 | } | |
612 | } | |
613 | ||
cd350b53 | 614 | function showAdvancedInit(addBefore, nameAttr, buttonLabel, hideText, showText) { |
615 | var showHideButton = document.createElement("input"); | |
616 | showHideButton.type = 'button'; | |
617 | showHideButton.value = buttonLabel; | |
618 | showHideButton.name = nameAttr; | |
619 | showHideButton.moodle = { | |
fc4f5796 | 620 | hideLabel: mstr.form.hideadvanced, |
621 | showLabel: mstr.form.showadvanced | |
cd350b53 | 622 | }; |
623 | YAHOO.util.Event.addListener(showHideButton, 'click', showAdvancedOnClick); | |
624 | el = document.getElementById(addBefore); | |
625 | el.parentNode.insertBefore(showHideButton, el); | |
626 | } | |
627 | ||
628 | function showAdvancedOnClick(e) { | |
629 | var button = e.target ? e.target : e.srcElement; | |
630 | ||
19194f82 | 631 | var toSet=findChildNodes(button.form, null, 'advanced'); |
632 | var buttontext = ''; | |
74d15d35 | 633 | if (button.form.elements['mform_showadvanced_last'].value == '0' || button.form.elements['mform_showadvanced_last'].value == '' ) { |
19194f82 | 634 | elementShowAdvanced(toSet, true); |
cd350b53 | 635 | buttontext = button.moodle.hideLabel; |
19194f82 | 636 | button.form.elements['mform_showadvanced_last'].value = '1'; |
637 | } else { | |
638 | elementShowAdvanced(toSet, false); | |
cd350b53 | 639 | buttontext = button.moodle.showLabel; |
19194f82 | 640 | button.form.elements['mform_showadvanced_last'].value = '0'; |
641 | } | |
642 | var formelements = button.form.elements; | |
4ea054ec | 643 | // Fixed MDL-10506 |
b51709c1 | 644 | for (var i = 0; i < formelements.length; i++) { |
645 | if (formelements[i] && formelements[i].name && (formelements[i].name=='mform_showadvanced')) { | |
19194f82 | 646 | formelements[i].value = buttontext; |
647 | } | |
648 | } | |
649 | //never submit the form if js is enabled. | |
650 | return false; | |
651 | } | |
47aa42e2 | 652 | |
54bb33eb | 653 | function unmaskPassword(id) { |
239ade45 | 654 | var pw = document.getElementById(id); |
54bb33eb | 655 | var chb = document.getElementById(id+'unmask'); |
239ade45 | 656 | |
657 | try { | |
658 | // first try IE way - it can not set name attribute later | |
659 | if (chb.checked) { | |
660 | var newpw = document.createElement('<input type="text" name="'+pw.name+'">'); | |
661 | } else { | |
662 | var newpw = document.createElement('<input type="password" name="'+pw.name+'">'); | |
663 | } | |
eba8cd63 | 664 | newpw.attributes['class'].nodeValue = pw.attributes['class'].nodeValue; |
239ade45 | 665 | } catch (e) { |
666 | var newpw = document.createElement('input'); | |
667 | newpw.setAttribute('name', pw.name); | |
668 | if (chb.checked) { | |
669 | newpw.setAttribute('type', 'text'); | |
670 | } else { | |
671 | newpw.setAttribute('type', 'password'); | |
672 | } | |
eba8cd63 | 673 | newpw.setAttribute('class', pw.getAttribute('class')); |
239ade45 | 674 | } |
675 | newpw.id = pw.id; | |
676 | newpw.size = pw.size; | |
677 | newpw.onblur = pw.onblur; | |
678 | newpw.onchange = pw.onchange; | |
679 | newpw.value = pw.value; | |
680 | pw.parentNode.replaceChild(newpw, pw); | |
681 | } | |
682 | ||
8e7cebb0 | 683 | /** |
684 | * Search a Moodle form to find all the fdate_time_selector and fdate_selector | |
685 | * elements, and add date_selector_calendar instance to each. | |
686 | */ | |
687 | function init_date_selectors(firstdayofweek) { | |
8e7cebb0 | 688 | var els = YAHOO.util.Dom.getElementsByClassName('fdate_time_selector', 'fieldset'); |
689 | for (var i = 0; i < els.length; i++) { | |
690 | new date_selector_calendar(els[i], firstdayofweek); | |
691 | } | |
692 | els = YAHOO.util.Dom.getElementsByClassName('fdate_selector', 'fieldset'); | |
693 | for (i = 0; i < els.length; i++) { | |
694 | new date_selector_calendar(els[i], firstdayofweek); | |
695 | } | |
696 | } | |
697 | ||
698 | /** | |
9bad31f5 | 699 | * Constructor for a JavaScript object that connects to a fdate_time_selector |
8e7cebb0 | 700 | * or a fdate_selector in a Moodle form, and shows a popup calendar whenever |
701 | * that element has keyboard focus. | |
702 | * @param el the fieldset class="fdate_time_selector" or "fdate_selector". | |
703 | */ | |
704 | function date_selector_calendar(el, firstdayofweek) { | |
705 | // Ensure that the shared div and calendar exist. | |
706 | if (!date_selector_calendar.panel) { | |
707 | date_selector_calendar.panel = new YAHOO.widget.Panel('date_selector_calendar_panel', | |
b3a49376 | 708 | {visible: false, draggable: false}); |
8e7cebb0 | 709 | var div = document.createElement('div'); |
710 | date_selector_calendar.panel.setBody(div); | |
711 | date_selector_calendar.panel.render(document.body); | |
712 | ||
713 | YAHOO.util.Event.addListener(document, 'click', date_selector_calendar.document_click); | |
714 | date_selector_calendar.panel.showEvent.subscribe(function() { | |
715 | date_selector_calendar.panel.fireEvent('changeContent'); | |
716 | }); | |
b3a49376 | 717 | date_selector_calendar.panel.hideEvent.subscribe(date_selector_calendar.release_current); |
8e7cebb0 | 718 | |
719 | date_selector_calendar.calendar = new YAHOO.widget.Calendar(div, | |
720 | {iframe: false, hide_blank_weeks: true, start_weekday: firstdayofweek}); | |
721 | date_selector_calendar.calendar.renderEvent.subscribe(function() { | |
722 | date_selector_calendar.panel.fireEvent('changeContent'); | |
bd55319b | 723 | date_selector_calendar.delayed_reposition(); |
8e7cebb0 | 724 | }); |
8e7cebb0 | 725 | } |
726 | ||
727 | this.fieldset = el; | |
728 | var controls = el.getElementsByTagName('select'); | |
729 | for (var i = 0; i < controls.length; i++) { | |
8e7cebb0 | 730 | if (/\[year\]$/.test(controls[i].name)) { |
731 | this.yearselect = controls[i]; | |
9bad31f5 | 732 | } else if (/\[month\]$/.test(controls[i].name)) { |
8e7cebb0 | 733 | this.monthselect = controls[i]; |
9bad31f5 | 734 | } else if (/\[day\]$/.test(controls[i].name)) { |
8e7cebb0 | 735 | this.dayselect = controls[i]; |
9bad31f5 | 736 | } else { |
bd55319b | 737 | YAHOO.util.Event.addFocusListener(controls[i], date_selector_calendar.cancel_any_timeout, this); |
9bad31f5 | 738 | YAHOO.util.Event.addBlurListener(controls[i], this.blur_event, this); |
8e7cebb0 | 739 | } |
740 | } | |
741 | if (!(this.yearselect && this.monthselect && this.dayselect)) { | |
742 | throw 'Failed to initialise calendar.'; | |
743 | } | |
9bad31f5 | 744 | YAHOO.util.Event.addFocusListener([this.yearselect, this.monthselect, this.dayselect], this.focus_event, this); |
745 | YAHOO.util.Event.addBlurListener([this.yearselect, this.monthselect, this.dayselect], this.blur_event, this); | |
8e7cebb0 | 746 | |
747 | this.enablecheckbox = el.getElementsByTagName('input')[0]; | |
748 | if (this.enablecheckbox) { | |
749 | YAHOO.util.Event.addFocusListener(this.enablecheckbox, this.focus_event, this); | |
750 | YAHOO.util.Event.addListener(this.enablecheckbox, 'change', this.focus_event, this); | |
751 | YAHOO.util.Event.addBlurListener(this.enablecheckbox, this.blur_event, this); | |
752 | } | |
753 | } | |
754 | ||
755 | /** The pop-up calendar that contains the calendar. */ | |
756 | date_selector_calendar.panel = null; | |
757 | ||
758 | /** The shared YAHOO.widget.Calendar used by all date_selector_calendars. */ | |
759 | date_selector_calendar.calendar = null; | |
760 | ||
761 | /** The date_selector_calendar that currently owns the shared stuff. */ | |
762 | date_selector_calendar.currentowner = null; | |
763 | ||
764 | /** Used as a timeout when hiding the calendar on blur - so we don't hide the calendar | |
765 | * if we are just jumping from on of our controls to another. */ | |
766 | date_selector_calendar.hidetimeout = null; | |
767 | ||
bd55319b | 768 | /** Timeout for repositioning after a delay after a change of months. */ |
769 | date_selector_calendar.repositiontimeout = null; | |
8e7cebb0 | 770 | |
bd55319b | 771 | /** Member variables. Pointers to various bits of the DOM. */ |
8e7cebb0 | 772 | date_selector_calendar.prototype.fieldset = null; |
773 | date_selector_calendar.prototype.yearselect = null; | |
774 | date_selector_calendar.prototype.monthselect = null; | |
775 | date_selector_calendar.prototype.dayselect = null; | |
776 | date_selector_calendar.prototype.enablecheckbox = null; | |
777 | ||
bd55319b | 778 | date_selector_calendar.cancel_any_timeout = function() { |
8e7cebb0 | 779 | if (date_selector_calendar.hidetimeout) { |
780 | clearTimeout(date_selector_calendar.hidetimeout); | |
781 | date_selector_calendar.hidetimeout = null; | |
782 | } | |
bd55319b | 783 | if (date_selector_calendar.repositiontimeout) { |
784 | clearTimeout(date_selector_calendar.repositiontimeout); | |
785 | date_selector_calendar.repositiontimeout = null; | |
786 | } | |
787 | } | |
788 | ||
789 | date_selector_calendar.delayed_reposition = function() { | |
790 | if (date_selector_calendar.repositiontimeout) { | |
791 | clearTimeout(date_selector_calendar.repositiontimeout); | |
792 | date_selector_calendar.repositiontimeout = null; | |
793 | } | |
b3a49376 | 794 | date_selector_calendar.repositiontimeout = setTimeout(date_selector_calendar.fix_position, 500); |
bd55319b | 795 | } |
796 | ||
797 | date_selector_calendar.fix_position = function() { | |
798 | if (date_selector_calendar.currentowner) { | |
799 | date_selector_calendar.panel.cfg.setProperty('context', [date_selector_calendar.currentowner.fieldset, 'bl', 'tl']); | |
800 | } | |
8e7cebb0 | 801 | } |
802 | ||
b3a49376 | 803 | date_selector_calendar.release_current = function() { |
804 | if (date_selector_calendar.currentowner) { | |
805 | date_selector_calendar.currentowner.release_calendar(); | |
806 | } | |
807 | } | |
808 | ||
8e7cebb0 | 809 | date_selector_calendar.prototype.focus_event = function(e, me) { |
bd55319b | 810 | date_selector_calendar.cancel_any_timeout(); |
8e7cebb0 | 811 | if (me.enablecheckbox == null || me.enablecheckbox.checked) { |
812 | me.claim_calendar(); | |
813 | } else { | |
814 | if (date_selector_calendar.currentowner) { | |
815 | date_selector_calendar.currentowner.release_calendar(); | |
816 | } | |
817 | } | |
818 | } | |
819 | ||
820 | date_selector_calendar.prototype.blur_event = function(e, me) { | |
b3a49376 | 821 | date_selector_calendar.hidetimeout = setTimeout(date_selector_calendar.release_current, 300); |
8e7cebb0 | 822 | } |
823 | ||
824 | date_selector_calendar.prototype.handle_select_change = function(e, me) { | |
825 | me.set_date_from_selects(); | |
826 | } | |
827 | ||
828 | date_selector_calendar.document_click = function(event) { | |
829 | if (date_selector_calendar.currentowner) { | |
830 | var currentcontainer = date_selector_calendar.currentowner.fieldset; | |
831 | var eventarget = YAHOO.util.Event.getTarget(event); | |
b3a49376 | 832 | if (YAHOO.util.Dom.isAncestor(currentcontainer, eventarget)) { |
833 | setTimeout(function() {date_selector_calendar.cancel_any_timeout()}, 100); | |
834 | } else { | |
8e7cebb0 | 835 | date_selector_calendar.currentowner.release_calendar(); |
836 | } | |
837 | } | |
f8065dd2 | 838 | } |
8e7cebb0 | 839 | |
840 | date_selector_calendar.prototype.claim_calendar = function() { | |
bd55319b | 841 | date_selector_calendar.cancel_any_timeout(); |
8e7cebb0 | 842 | if (date_selector_calendar.currentowner == this) { |
843 | return; | |
844 | } | |
845 | if (date_selector_calendar.currentowner) { | |
846 | date_selector_calendar.currentowner.release_calendar(); | |
847 | } | |
848 | ||
bd55319b | 849 | if (date_selector_calendar.currentowner != this) { |
850 | this.connect_handlers(); | |
851 | } | |
852 | date_selector_calendar.currentowner = this; | |
853 | ||
8e7cebb0 | 854 | date_selector_calendar.calendar.cfg.setProperty('mindate', new Date(this.yearselect.options[0].value, 0, 1)); |
855 | date_selector_calendar.calendar.cfg.setProperty('maxdate', new Date(this.yearselect.options[this.yearselect.options.length - 1].value, 11, 31)); | |
bd55319b | 856 | this.fieldset.insertBefore(date_selector_calendar.panel.element, this.yearselect.nextSibling); |
8e7cebb0 | 857 | this.set_date_from_selects(); |
858 | date_selector_calendar.panel.show(); | |
859 | var me = this; | |
bd55319b | 860 | setTimeout(function() {date_selector_calendar.cancel_any_timeout()}, 100); |
8e7cebb0 | 861 | } |
862 | ||
863 | date_selector_calendar.prototype.set_date_from_selects = function() { | |
864 | var year = parseInt(this.yearselect.value); | |
865 | var month = parseInt(this.monthselect.value) - 1; | |
866 | var day = parseInt(this.dayselect.value); | |
867 | date_selector_calendar.calendar.select(new Date(year, month, day)); | |
868 | date_selector_calendar.calendar.setMonth(month); | |
869 | date_selector_calendar.calendar.setYear(year); | |
bd55319b | 870 | date_selector_calendar.calendar.render(); |
871 | date_selector_calendar.fix_position(); | |
8e7cebb0 | 872 | } |
873 | ||
874 | date_selector_calendar.prototype.set_selects_from_date = function(eventtype, args) { | |
875 | var date = args[0][0]; | |
876 | var newyear = date[0]; | |
877 | var newindex = newyear - this.yearselect.options[0].value; | |
878 | this.yearselect.selectedIndex = newindex; | |
879 | this.monthselect.selectedIndex = date[1] - this.monthselect.options[0].value; | |
880 | this.dayselect.selectedIndex = date[2] - this.dayselect.options[0].value; | |
881 | } | |
882 | ||
883 | date_selector_calendar.prototype.connect_handlers = function() { | |
884 | YAHOO.util.Event.addListener([this.yearselect, this.monthselect, this.dayselect], 'change', this.handle_select_change, this); | |
885 | date_selector_calendar.calendar.selectEvent.subscribe(this.set_selects_from_date, this, true); | |
886 | } | |
887 | ||
888 | date_selector_calendar.prototype.release_calendar = function() { | |
889 | date_selector_calendar.panel.hide(); | |
890 | date_selector_calendar.currentowner = null; | |
891 | YAHOO.util.Event.removeListener([this.yearselect, this.monthselect, this.dayselect], this.handle_select_change); | |
892 | date_selector_calendar.calendar.selectEvent.unsubscribe(this.set_selects_from_date, this); | |
893 | } | |
894 | ||
47aa42e2 | 895 | function filterByParent(elCollection, parentFinder) { |
896 | var filteredCollection = []; | |
45caa363 | 897 | for (var i = 0; i < elCollection.length; ++i) { |
47aa42e2 | 898 | var findParent = parentFinder(elCollection[i]); |
45caa363 | 899 | if (findParent.nodeName.toUpperCase != 'BODY') { |
47aa42e2 | 900 | filteredCollection.push(elCollection[i]); |
901 | } | |
902 | } | |
903 | return filteredCollection; | |
904 | } | |
905 | ||
7979105c | 906 | /* |
907 | All this is here just so that IE gets to handle oversized blocks | |
908 | in a visually pleasing manner. It does a browser detect. So sue me. | |
909 | */ | |
910 | ||
911 | function fix_column_widths() { | |
912 | var agt = navigator.userAgent.toLowerCase(); | |
913 | if ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1)) { | |
914 | fix_column_width('left-column'); | |
915 | fix_column_width('right-column'); | |
916 | } | |
917 | } | |
918 | ||
919 | function fix_column_width(colName) { | |
920 | if(column = document.getElementById(colName)) { | |
921 | if(!column.offsetWidth) { | |
922 | setTimeout("fix_column_width('" + colName + "')", 20); | |
923 | return; | |
924 | } | |
925 | ||
926 | var width = 0; | |
927 | var nodes = column.childNodes; | |
928 | ||
929 | for(i = 0; i < nodes.length; ++i) { | |
930 | if(nodes[i].className.indexOf("sideblock") != -1 ) { | |
931 | if(width < nodes[i].offsetWidth) { | |
932 | width = nodes[i].offsetWidth; | |
933 | } | |
934 | } | |
935 | } | |
936 | ||
937 | for(i = 0; i < nodes.length; ++i) { | |
938 | if(nodes[i].className.indexOf("sideblock") != -1 ) { | |
939 | nodes[i].style.width = width + 'px'; | |
940 | } | |
941 | } | |
942 | } | |
943 | } | |
d13c5938 | 944 | |
945 | ||
946 | /* | |
9f439b17 | 947 | Insert myValue at current cursor position |
948 | */ | |
d13c5938 | 949 | function insertAtCursor(myField, myValue) { |
9f439b17 | 950 | // IE support |
951 | if (document.selection) { | |
952 | myField.focus(); | |
953 | sel = document.selection.createRange(); | |
954 | sel.text = myValue; | |
955 | } | |
956 | // Mozilla/Netscape support | |
957 | else if (myField.selectionStart || myField.selectionStart == '0') { | |
958 | var startPos = myField.selectionStart; | |
959 | var endPos = myField.selectionEnd; | |
960 | myField.value = myField.value.substring(0, startPos) | |
961 | + myValue + myField.value.substring(endPos, myField.value.length); | |
962 | } else { | |
963 | myField.value += myValue; | |
964 | } | |
d13c5938 | 965 | } |
7470d6de | 966 | |
967 | ||
968 | /* | |
c0056e22 | 969 | Call instead of setting window.onload directly or setting body onload=. |
970 | Adds your function to a chain of functions rather than overwriting anything | |
971 | that exists. | |
972 | */ | |
7470d6de | 973 | function addonload(fn) { |
974 | var oldhandler=window.onload; | |
975 | window.onload=function() { | |
976 | if(oldhandler) oldhandler(); | |
c0056e22 | 977 | fn(); |
7470d6de | 978 | } |
979 | } | |
7d2a0492 | 980 | /** |
981 | * Replacement for getElementsByClassName in browsers that aren't cool enough | |
6f5e0852 | 982 | * |
7d2a0492 | 983 | * Relying on the built-in getElementsByClassName is far, far faster than |
984 | * using YUI. | |
6f5e0852 | 985 | * |
7d2a0492 | 986 | * Note: the third argument used to be an object with odd behaviour. It now |
987 | * acts like the 'name' in the HTML5 spec, though the old behaviour is still | |
988 | * mimicked if you pass an object. | |
989 | * | |
990 | * @param {Node} oElm The top-level node for searching. To search a whole | |
991 | * document, use `document`. | |
992 | * @param {String} strTagName filter by tag names | |
993 | * @param {String} name same as HTML5 spec | |
994 | */ | |
995 | function getElementsByClassName(oElm, strTagName, name) { | |
996 | // for backwards compatibility | |
997 | if(typeof name == "object") { | |
998 | var names = new Array(); | |
999 | for(var i=0; i<name.length; i++) names.push(names[i]); | |
1000 | name = names.join(''); | |
1001 | } | |
1002 | // use native implementation if possible | |
1003 | if (oElm.getElementsByClassName && Array.filter) { | |
1004 | if (strTagName == '*') { | |
1005 | return oElm.getElementsByClassName(name); | |
1006 | } else { | |
1007 | return Array.filter(oElm.getElementsByClassName(name), function(el) { | |
1008 | return el.nodeName.toLowerCase() == strTagName.toLowerCase(); | |
1009 | }); | |
1010 | } | |
1011 | } | |
1012 | // native implementation unavailable, fall back to slow method | |
c849ed1e | 1013 | var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName); |
1014 | var arrReturnElements = new Array(); | |
1015 | var arrRegExpClassNames = new Array(); | |
7d2a0492 | 1016 | var names = name.split(' '); |
1017 | for(var i=0; i<names.length; i++) { | |
1018 | arrRegExpClassNames.push(new RegExp("(^|\\s)" + names[i].replace(/\-/g, "\\-") + "(\\s|$)")); | |
c849ed1e | 1019 | } |
1020 | var oElement; | |
1021 | var bMatchesAll; | |
b51709c1 | 1022 | for(var j=0; j<arrElements.length; j++) { |
c849ed1e | 1023 | oElement = arrElements[j]; |
1024 | bMatchesAll = true; | |
b51709c1 | 1025 | for(var k=0; k<arrRegExpClassNames.length; k++) { |
1026 | if(!arrRegExpClassNames[k].test(oElement.className)) { | |
c849ed1e | 1027 | bMatchesAll = false; |
1028 | break; | |
1029 | } | |
1030 | } | |
b51709c1 | 1031 | if(bMatchesAll) { |
c849ed1e | 1032 | arrReturnElements.push(oElement); |
1033 | } | |
1034 | } | |
1035 | return (arrReturnElements) | |
1036 | } | |
77241d9b | 1037 | |
f8065dd2 | 1038 | function openpopup(event, args) { |
1039 | ||
1040 | YAHOO.util.Event.preventDefault(event); | |
1041 | ||
1042 | var fullurl = args.url; | |
1043 | if (!args.url.match(/https?:\/\//)) { | |
9598d578 | 1044 | fullurl = M.cfg.wwwroot + args.url; |
bed9cec8 | 1045 | } |
f8065dd2 | 1046 | var windowobj = window.open(fullurl,args.name,args.options); |
214f5850 | 1047 | if (!windowobj) { |
1048 | return true; | |
1049 | } | |
474f6bfe | 1050 | if (args.fullscreen) { |
77241d9b | 1051 | windowobj.moveTo(0,0); |
1052 | windowobj.resizeTo(screen.availWidth,screen.availHeight); | |
1053 | } | |
1054 | windowobj.focus(); | |
1055 | return false; | |
1056 | } | |
740939ec | 1057 | |
1058 | /* This is only used on a few help pages. */ | |
1059 | emoticons_help = { | |
1060 | inputarea: null, | |
1061 | ||
1062 | init: function(formname, fieldname, listid) { | |
1063 | if (!opener || !opener.document.forms[formname]) { | |
1064 | return; | |
1065 | } | |
1066 | emoticons_help.inputarea = opener.document.forms[formname][fieldname]; | |
1067 | if (!emoticons_help.inputarea) { | |
1068 | return; | |
1069 | } | |
1070 | var emoticons = document.getElementById(listid).getElementsByTagName('li'); | |
1071 | for (var i = 0; i < emoticons.length; i++) { | |
1072 | var text = emoticons[i].getElementsByTagName('img')[0].alt; | |
1073 | YAHOO.util.Event.addListener(emoticons[i], 'click', emoticons_help.inserttext, text); | |
1074 | } | |
1075 | }, | |
1076 | ||
1077 | inserttext: function(e, text) { | |
1078 | text = ' ' + text + ' '; | |
1079 | if (emoticons_help.inputarea.createTextRange && emoticons_help.inputarea.caretPos) { | |
1080 | var caretPos = emoticons_help.inputarea.caretPos; | |
1081 | caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? text + ' ' : text; | |
1082 | } else { | |
1083 | emoticons_help.inputarea.value += text; | |
1084 | } | |
1085 | emoticons_help.inputarea.focus(); | |
1086 | } | |
bd1884fe | 1087 | } |
1088 | ||
1089 | /** | |
1090 | * Makes a best effort to connect back to Moodle to update a user preference, | |
1091 | * however, there is no mechanism for finding out if the update succeeded. | |
1092 | * | |
1093 | * Before you can use this function in your JavsScript, you must have called | |
1094 | * user_preference_allow_ajax_update from moodlelib.php to tell Moodle that | |
1095 | * the udpate is allowed, and how to safely clean and submitted values. | |
1096 | * | |
1097 | * @param String name the name of the setting to udpate. | |
1098 | * @param String the value to set it to. | |
1099 | */ | |
1100 | function set_user_preference(name, value) { | |
1101 | // Don't generate a script error if the library has not been loaded, | |
1102 | // unless we are a Developer, in which case we want the error. | |
9598d578 PS |
1103 | if (YAHOO && YAHOO.util && YAHOO.util.Connect || M.cfg.developerdebug) { |
1104 | var url = M.cfg.wwwroot + '/lib/ajax/setuserpref.php?sesskey=' + | |
1105 | M.cfg.sesskey + '&pref=' + encodeURI(name) + '&value=' + encodeURI(value); | |
bd1884fe | 1106 | |
1107 | // If we are a developer, ensure that failures are reported. | |
1108 | var callback = {}; | |
9598d578 | 1109 | if (M.cfg.developerdebug) { |
bd1884fe | 1110 | callback.failure = function() { |
1111 | var a = document.createElement('a'); | |
1112 | a.href = url; | |
1113 | a.classname = 'error'; | |
1114 | 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.")); | |
1115 | document.body.insertBefore(a, document.body.firstChild); | |
1116 | } | |
1117 | } | |
1118 | ||
1119 | // Make the request. | |
f8065dd2 | 1120 | YAHOO.util.Connect.asyncRequest('GET', url, callback); |
bd1884fe | 1121 | } |
3b0bf2e4 | 1122 | } |
1123 | ||
b166403f | 1124 | |
d4a03c00 | 1125 | /** |
1126 | * Oject to handle expanding and collapsing blocks when an icon is clicked on. | |
1127 | * @constructor | |
1128 | * @param String id the HTML id for the div. | |
1129 | * @param String userpref the user preference that records the state of this block. | |
1130 | * @param String visibletooltip tool tip/alt to show when the block is visible. | |
1131 | * @param String hiddentooltip tool tip/alt to show when the block is hidden. | |
1132 | * @param String visibleicon URL of the icon to show when the block is visible. | |
1133 | * @param String hiddenicon URL of the icon to show when the block is hidden. | |
1134 | */ | |
1135 | function block_hider(id, userpref, visibletooltip, hiddentooltip, visibleicon, hiddenicon) { | |
1136 | // Find the elemen that is the block. | |
1137 | this.block = document.getElementById(id); | |
1138 | var title_div = YAHOO.util.Dom.getElementsByClassName('title', 'div', this.block); | |
1139 | if (!title_div || !title_div[0]) { | |
1140 | return this; | |
1141 | } | |
1142 | title_div = title_div[0]; | |
1143 | this.ishidden = YAHOO.util.Dom.hasClass(this.block, 'hidden'); | |
1144 | ||
1145 | // Record the pref name | |
1146 | this.userpref = userpref; | |
1147 | this.visibletooltip = visibletooltip; | |
1148 | this.hiddentooltip = hiddentooltip; | |
1149 | this.visibleicon = visibleicon; | |
1150 | this.hiddenicon = hiddenicon; | |
1151 | ||
1152 | // Add the icon. | |
1153 | this.icon = document.createElement('input'); | |
1154 | this.icon.type = 'image'; | |
1155 | this.icon.className = 'hide-show-image'; | |
1156 | this.update_state(); | |
1157 | title_div.insertBefore(this.icon, title_div.firstChild); | |
1158 | ||
1159 | // Hook up the event handler. | |
1160 | YAHOO.util.Event.addListener(this.icon, 'click', this.handle_click, null, this); | |
1161 | } | |
1162 | ||
1163 | /** Handle click on a block show/hide icon. */ | |
1164 | block_hider.prototype.handle_click = function(e) { | |
1165 | YAHOO.util.Event.stopEvent(e); | |
1166 | this.ishidden = !this.ishidden; | |
1167 | this.update_state(); | |
1168 | set_user_preference(this.userpref, this.ishidden); | |
1169 | } | |
1170 | ||
1171 | /** Set the state of the block show/hide icon to this.ishidden. */ | |
1172 | block_hider.prototype.update_state = function () { | |
1173 | if (this.ishidden) { | |
1174 | YAHOO.util.Dom.addClass(this.block, 'hidden'); | |
1175 | this.icon.alt = this.hiddentooltip; | |
1176 | this.icon.title = this.hiddentooltip; | |
1177 | this.icon.src = this.hiddenicon; | |
1178 | } else { | |
1179 | YAHOO.util.Dom.removeClass(this.block, 'hidden'); | |
1180 | this.icon.alt = this.visibletooltip; | |
1181 | this.icon.title = this.visibletooltip; | |
1182 | this.icon.src = this.visibleicon; | |
1183 | } | |
1184 | } | |
1185 | ||
b166403f | 1186 | /** Close the current browser window. */ |
7a5c78e0 | 1187 | function close_window(e) { |
1188 | YAHOO.util.Event.preventDefault(e); | |
1189 | self.close(); | |
b166403f | 1190 | } |
1191 | ||
1192 | /** | |
1193 | * Close the current browser window, forcing the window/tab that opened this | |
1194 | * popup to reload itself. */ | |
1195 | function close_window_reloading_opener() { | |
1196 | if (window.opener) { | |
1197 | window.opener.location.reload(1); | |
1198 | close_window(); | |
1199 | // Intentionally, only try to close the window if there is some evidence we are in a popup. | |
1200 | } | |
8e7cebb0 | 1201 | } |
9f319372 | 1202 | |
1203 | /** | |
1204 | * Used in a couple of modules to hide navigation areas when using AJAX | |
1205 | */ | |
34a2777c | 1206 | |
2538037f | 1207 | function show_item(itemid) { |
1208 | var item = document.getElementById(itemid); | |
1209 | if (item) { | |
1210 | item.style.display = ""; | |
1211 | } | |
1212 | } | |
1213 | ||
1214 | function destroy_item(itemid) { | |
1215 | var item = document.getElementById(itemid); | |
1216 | if (item) { | |
1217 | item.parentNode.removeChild(item); | |
1218 | } | |
1219 | } | |
34a2777c | 1220 | /** |
1221 | * Tranfer keyboard focus to the HTML element with the given id, if it exists. | |
1222 | * @param controlid the control id. | |
1223 | */ | |
1224 | function focuscontrol(controlid) { | |
1225 | var control = document.getElementById(controlid); | |
1226 | if (control) { | |
1227 | control.focus(); | |
1228 | } | |
e29380f3 | 1229 | } |
1230 | ||
e11a8328 | 1231 | /** |
1232 | * Transfers keyboard focus to an HTML element based on the old style style of focus | |
1233 | * This function should be removed as soon as it is no longer used | |
1234 | */ | |
428acddb | 1235 | function old_onload_focus(formid, controlname) { |
5f8bce50 | 1236 | if (document.forms[formid] && document.forms[formid].elements && document.forms[formid].elements[controlname]) { |
428acddb | 1237 | document.forms[formid].elements[controlname].focus(); |
e11a8328 | 1238 | } |
1239 | } | |
1240 | ||
1bcb7eb5 | 1241 | function build_querystring(obj) { |
1242 | if (typeof obj !== 'object') { | |
1243 | return null; | |
1244 | } | |
1245 | var list = []; | |
1246 | for(var k in obj) { | |
1247 | k = encodeURIComponent(k); | |
1248 | var value = obj[k]; | |
1249 | if(obj[k] instanceof Array) { | |
1250 | for(var i in value) { | |
1251 | list.push(k+'[]='+encodeURIComponent(value[i])); | |
1252 | } | |
1253 | } else { | |
1254 | list.push(k+'='+encodeURIComponent(value)); | |
1255 | } | |
1256 | } | |
1257 | return list.join('&'); | |
1258 | } | |
d25e2ca3 | 1259 | |
1260 | function stripHTML(str) { | |
1261 | var re = /<\S[^><]*>/g; | |
1262 | var ret = str.replace(re, ""); | |
1263 | return ret; | |
1264 | } | |
1265 | ||
f8065dd2 | 1266 | /** |
1267 | * Prints a confirmation dialog in the style of DOM.confirm(). | |
1268 | * @param object event A DOM event | |
1269 | * @param string message The message to show in the dialog | |
1270 | * @param string url The URL to forward to if YES is clicked. Disabled if fn is given | |
1271 | * @param function fn A JS function to run if YES is clicked. | |
1272 | */ | |
49690843 | 1273 | function confirm_dialog(event, args) { |
1274 | var message = args.message; | |
1275 | var target = this; | |
5529f787 | 1276 | target.args = args; |
f8065dd2 | 1277 | YAHOO.util.Event.preventDefault(event); |
1278 | ||
1279 | var simpledialog = new YAHOO.widget.SimpleDialog('confirmdialog', | |
1280 | { width: '300px', | |
1281 | fixedcenter: true, | |
1282 | modal: true, | |
1283 | visible: false, | |
1284 | draggable: false | |
1285 | } | |
1286 | ); | |
1287 | ||
5f56f0a8 | 1288 | simpledialog.setHeader(mstr.admin.confirmation); |
f8065dd2 | 1289 | simpledialog.setBody(message); |
1290 | simpledialog.cfg.setProperty('icon', YAHOO.widget.SimpleDialog.ICON_WARN); | |
1291 | ||
5529f787 | 1292 | this.handle_cancel = function() { |
f8065dd2 | 1293 | this.hide(); |
1294 | }; | |
1295 | ||
5529f787 | 1296 | this.handle_yes = function() { |
f8065dd2 | 1297 | this.hide(); |
5529f787 | 1298 | |
1299 | if (target.args.callback) { | |
1300 | // args comes from PHP, so callback will be a string, needs to be evaluated by JS | |
2539ce37 DC |
1301 | var callback = null; |
1302 | if (Y.Lang.isFunction(target.args.callback)) { | |
1303 | callback = target.args.callback; | |
1304 | } else { | |
1305 | callback = eval('('+target.args.callback+')'); | |
1306 | } | |
1307 | if (Y.Lang.isObject(target.args.scope)) { | |
1308 | callback.apply(target.args.scope); | |
1309 | } else { | |
1310 | callback(); | |
1311 | } | |
5529f787 | 1312 | } |
1313 | ||
f8065dd2 | 1314 | if (target.tagName.toLowerCase() == 'a') { |
1315 | window.location = target.href; | |
1316 | } else if (target.tagName.toLowerCase() == 'input') { | |
1317 | var parentelement = target.parentNode; | |
1318 | while (parentelement.tagName.toLowerCase() != 'form' && parentelement.tagName.toLowerCase() != 'body') { | |
1319 | parentelement = parentelement.parentNode; | |
1320 | } | |
1321 | if (parentelement.tagName.toLowerCase() == 'form') { | |
1322 | parentelement.submit(); | |
1323 | } | |
9598d578 | 1324 | } else if(M.cfg.developerdebug) { |
f8065dd2 | 1325 | alert("Element of type " + target.tagName + " is not supported by the confirm_dialog function. Use A or INPUT"); |
1326 | } | |
1327 | }; | |
1328 | ||
5529f787 | 1329 | var buttons = [ { text: mstr.moodle.cancel, handler: this.handle_cancel, isDefault: true }, |
1330 | { text: mstr.moodle.yes, handler: this.handle_yes } ]; | |
f8065dd2 | 1331 | |
1332 | simpledialog.cfg.queueProperty('buttons', buttons); | |
1333 | ||
1334 | simpledialog.render(document.body); | |
1335 | simpledialog.show(); | |
5529f787 | 1336 | return simpledialog; |
1337 | } | |
1338 | ||
1339 | function dialog_callback() { | |
1340 | console.debug(this); | |
1341 | console.debug(this.args); | |
f8065dd2 | 1342 | } |
fd4faf98 | 1343 | Number.prototype.fixed=function(n){ |
1344 | with(Math) | |
1345 | return round(Number(this)*pow(10,n))/pow(10,n); | |
1346 | } | |
1347 | function update_progress_bar (id, width, pt, msg, es){ | |
1348 | var percent = pt*100; | |
1349 | var status = document.getElementById("status_"+id); | |
1350 | var percent_indicator = document.getElementById("pt_"+id); | |
1351 | var progress_bar = document.getElementById("progress_"+id); | |
1352 | var time_es = document.getElementById("time_"+id); | |
1353 | status.innerHTML = msg; | |
1354 | percent_indicator.innerHTML = percent.fixed(2) + '%'; | |
1355 | if(percent == 100) { | |
1356 | progress_bar.style.background = "green"; | |
1357 | time_es.style.display = "none"; | |
1358 | } else { | |
1359 | progress_bar.style.background = "#FFCC66"; | |
1360 | if (es == Infinity){ | |
1361 | time_es.innerHTML = "Initializing..."; | |
1362 | }else { | |
1363 | time_es.innerHTML = es.fixed(2)+" sec"; | |
1364 | time_es.style.display | |
1365 | = "block"; | |
1366 | } | |
1367 | } | |
1368 | progress_bar.style.width = width + "px"; | |
1369 | ||
1370 | } | |
bf6c37c7 | 1371 | |
1372 | function frame_breakout(e, properties) { | |
1373 | this.setAttribute('target', properties.framename); | |
41f23791 | 1374 | } |
78946b9b | 1375 | |
73b62703 PS |
1376 | |
1377 | // ===== Deprecated core Javascript functions for Moodle ==== | |
1378 | // DO NOT USE!!!!!!! | |
e50b4c89 | 1379 | // Do not put this stuff in separate file because it only adds extra load on servers! |
73b62703 PS |
1380 | |
1381 | function submitFormById(id) { | |
1382 | submit_form_by_id(null, {id: id}); | |
adacb0fe | 1383 | } |
2d65597b PS |
1384 | |
1385 | /** | |
1386 | * Used in a couple of modules to hide navigation areas when using AJAX | |
1387 | */ | |
1388 | function hide_item(itemid) { | |
3b044ba3 | 1389 | // use class='hiddenifjs' instead |
2d65597b PS |
1390 | var item = document.getElementById(itemid); |
1391 | if (item) { | |
1392 | item.style.display = "none"; | |
1393 | } | |
1394 | } |