| blob | 4fcd6d445d80a6d694b295ef395fadf93e42c8a2 |
1 // This file is part of Moodle - http://moodle.org/
2 //
3 // Moodle is free software: you can redistribute it and/or modify
4 // it under the terms of the GNU General Public License as published by
5 // the Free Software Foundation, either version 3 of the License, or
6 // (at your option) any later version.
7 //
8 // Moodle is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 // GNU General Public License for more details.
12 //
13 // You should have received a copy of the GNU General Public License
14 // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
16 /**
17 * Comment Helper
18 * @author Dongsheng Cai <dongsheng@moodle.com>
19 */
20 M.core_comment = {
21 /**
22 * Initialize commenting system
23 */
24 init: function(Y, options) {
25 var CommentHelper = function(args) {
26 CommentHelper.superclass.constructor.apply(this, arguments);
27 }
28 CommentHelper.NAME = "COMMENT";
29 CommentHelper.ATTRS = {
30 options: {},
31 lang: {}
32 };
33 Y.extend(CommentHelper, Y.Base, {
34 api: M.cfg.wwwroot+'/comment/comment_ajax.php',
35 initializer: function(args) {
36 var scope = this;
37 this.client_id = args.client_id;
38 this.itemid = args.itemid;
39 this.commentarea = args.commentarea;
40 this.courseid = args.courseid;
41 this.contextid = args.contextid;
42 this.env = args.env;
43 // expand comments?
44 if (args.autostart) {
45 this.view(args.page);
46 }
47 // hide toggle link
48 if (args.notoggle) {
49 Y.one('#comment-link-'+this.client_id).setStyle('display', 'none');
50 }
51 // load comments
52 var handle = Y.one('#comment-link-'+this.client_id);
53 if (handle) {
54 handle.on('click', function(e) {
55 e.preventDefault();
56 this.view(0);
57 return false;
58 }, this);
59 }
60 CommentHelper.confirmoverlay = new Y.Overlay({
61 bodyContent: '<div class="comment-delete-confirm"><a href="#" id="confirmdelete-'+this.client_id+'">'+M.str.moodle.yes+'</a> <a href="#" id="canceldelete-'+this.client_id+'">'+M.str.moodle.no+'</a></div>',
62 visible: false
63 });
64 CommentHelper.confirmoverlay.render(document.body);
65 },
66 post: function() {
67 var ta = Y.one('#dlg-content-'+this.client_id);
68 var scope = this;
69 var value = ta.get('value');
70 if (value && value != M.str.moodle.addcomment) {
71 var params = {'content': value};
72 this.request({
73 action: 'add',
74 scope: scope,
75 params: params,
76 callback: function(id, obj, args) {
77 var scope = args.scope;
78 var cid = scope.client_id;
79 var ta = Y.one('#dlg-content-'+cid);
80 ta.set('value', '');
81 var container = Y.one('#comment-list-'+cid);
82 var result = scope.render([obj], true);
83 var newcomment = Y.Node.create(result.html);
84 container.appendChild(newcomment);
85 var ids = result.ids;
86 var linktext = Y.one('#comment-link-text-'+cid);
87 linktext.set('innerHTML', M.str.moodle.comments + ' ('+obj.count+')');
88 for(var i in ids) {
89 var attributes = {
90 color: { to: '#06e' },
91 backgroundColor: { to: '#FFE390' }
92 };
93 var anim = new YAHOO.util.ColorAnim(ids[i], attributes);
94 anim.animate();
95 }
96 scope.register_pagination();
97 scope.register_delete_buttons();
98 }
99 }, true);
100 } else {
101 var attributes = {
102 backgroundColor: { from: '#FFE390', to:'#FFFFFF' }
103 };
104 var anim = new YAHOO.util.ColorAnim('dlg-content-'+cid, attributes);
105 anim.animate();
106 }
107 },
108 request: function(args, noloading) {
109 var params = {};
110 var scope = this;
111 if (args['scope']) {
112 scope = args['scope'];
113 }
114 //params['page'] = args.page?args.page:'';
115 params['env'] = '';
116 // the form element only accept certain file types
117 params['sesskey'] = M.cfg.sesskey;
118 params['action'] = args.action?args.action:'';
119 params['client_id'] = this.client_id;
120 params['itemid'] = this.itemid;
121 params['area'] = this.commentarea;
122 params['courseid'] = this.courseid;
123 params['contextid'] = this.contextid;
124 if (args['params']) {
125 for (i in args['params']) {
126 params[i] = args['params'][i];
127 }
128 }
129 var cfg = {
130 method: 'POST',
131 on: {
132 complete: function(id,o,p) {
133 if (!o) {
134 alert('IO FATAL');
135 return false;
136 }
137 var data = Y.JSON.parse(o.responseText);
138 if (data.error) {
139 alert(data.error);
140 return false;
141 } else {
142 args.callback(id,data,p);
143 return true;
144 }
145 }
146 },
147 arguments: {
148 scope: scope
149 },
150 headers: {
151 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
152 'User-Agent': 'MoodleComment/3.0'
153 },
154 data: build_querystring(params)
155 };
156 if (args.form) {
157 cfg.form = args.form;
158 }
159 Y.io(this.api, cfg);
160 if (!noloading) {
161 this.wait();
162 }
163 },
164 render: function(list, newcmt) {
165 var ret = {};
166 ret.ids = [];
167 var template = Y.one('#cmt-tmpl');
168 var html = '';
169 for(var i in list) {
170 var htmlid = 'comment-'+list[i].id+'-'+this.client_id;
171 var val = template.get('innerHTML');
172 if (list[i].profileurl) {
173 val = val.replace('___name___', '<a href="'+list[i].profileurl+'">'+list[i].fullname+'</a>');
174 } else {
175 val = val.replace('___name___', list[i].fullname);
176 }
177 if (list[i]['delete']||newcmt) {
178 list[i].content = '<div class="comment-delete"><a href="#" id ="comment-delete-'+this.client_id+'-'+list[i].id+'" title="'+M.str.moodle.deletecomment+'"><img src="'+M.util.image_url('t/delete', 'core')+'" /></a></div>' + list[i].content;
179 }
180 val = val.replace('___time___', list[i].time);
181 val = val.replace('___picture___', list[i].avatar);
182 val = val.replace('___content___', list[i].content);
183 val = '<li id="'+htmlid+'">'+val+'</li>';
184 ret.ids.push(htmlid);
185 html = (val+html);
186 }
187 ret.html = html;
188 return ret;
189 },
190 load: function(page) {
191 var scope = this;
192 var container = Y.one('#comment-ctrl-'+this.client_id);
193 var params = {
194 'page': page
195 }
196 this.request({
197 scope: scope,
198 params: params,
199 callback: function(id, ret, args) {
200 var linktext = Y.one('#comment-link-text-'+scope.client_id);
201 linktext.set('innerHTML', M.str.moodle.comments + ' ('+ret.count+')');
202 var container = Y.one('#comment-list-'+scope.client_id);
203 var pagination = Y.one('#comment-pagination-'+scope.client_id);
204 if (ret.pagination) {
205 pagination.set('innerHTML', ret.pagination);
206 } else {
207 //empty paging bar
208 pagination.set('innerHTML', '');
209 }
210 var result = scope.render(ret.list);
211 container.set('innerHTML', result.html);
212 args.scope.register_pagination();
213 args.scope.register_delete_buttons();
214 }
215 });
216 },
218 dodelete: function(id) { // note: delete is a reserved word in javascript, chrome and safary do not like it at all here!
219 var scope = this;
220 var params = {'commentid': id};
221 scope.cancel_delete();
222 function remove_dom(type, anim, cmt) {
223 cmt.remove();
224 }
225 this.request({
226 action: 'delete',
227 scope: scope,
228 params: params,
229 callback: function(id, resp, args) {
230 var htmlid= 'comment-'+resp.commentid+'-'+resp.client_id;
231 var attributes = {
232 width:{to:0},
233 height:{to:0}
234 };
235 var cmt = Y.one('#'+htmlid);
236 cmt.setStyle('overflow', 'hidden');
237 var anim = new YAHOO.util.Anim(htmlid, attributes, 1, YAHOO.util.Easing.easeOut);
238 anim.onComplete.subscribe(remove_dom, cmt, this);
239 anim.animate();
240 }
241 }, true);
242 },
243 register_actions: function() {
244 // add new comment
245 Y.one('#comment-action-post-'+this.client_id).on('click', function(e) {
246 e.preventDefault();
247 this.post();
248 return false;
249 }, this);
250 // cancel comment box
251 var cancel = Y.one('#comment-action-cancel-'+this.client_id);
252 if (cancel) {
253 cancel.on('click', function(e) {
254 e.preventDefault();
255 this.view(0);
256 return false;
257 }, this);
258 }
259 },
260 register_delete_buttons: function() {
261 var scope = this;
262 // page buttons
263 Y.all('div.comment-delete a').each(
264 function(node, id) {
265 var theid = node.get('id');
266 var parseid = new RegExp("comment-delete-"+scope.client_id+"-(\\d+)", "i");
267 var commentid = theid.match(parseid);
268 if (commentid[1]) {
269 Y.Event.purgeElement('#'+theid, false, 'click');
270 }
271 node.on('click', function(e, node) {
272 e.preventDefault();
273 var width = CommentHelper.confirmoverlay.bodyNode.getStyle('width');
274 var re = new RegExp("(\\d+).*", "i");
275 var result = width.match(re);
276 if (result[1]) {
277 width = Number(result[1]);
278 } else {
279 width = 0;
280 }
281 //CommentHelper.confirmoverlay.set('xy', [e.pageX-(width/2), e.pageY]);
282 CommentHelper.confirmoverlay.set('xy', [e.pageX-width-5, e.pageY]);
283 CommentHelper.confirmoverlay.set('visible', true);
284 Y.one('#canceldelete-'+scope.client_id).on('click', function(e) {
285 e.preventDefault();
286 scope.cancel_delete();
287 });
288 Y.Event.purgeElement('#confirmdelete-'+scope.client_id, false, 'click');
289 Y.one('#confirmdelete-'+scope.client_id).on('click', function(e) {
290 e.preventDefault();
291 if (commentid[1]) {
292 scope.dodelete(commentid[1]);
293 }
294 });
295 }, scope, node);
296 }
297 );
298 },
299 cancel_delete: function() {
300 CommentHelper.confirmoverlay.set('visible', false);
301 },
302 register_pagination: function() {
303 var scope = this;
304 // page buttons
305 Y.all('#comment-pagination-'+this.client_id+' a').each(
306 function(node, id) {
307 node.on('click', function(e, node) {
308 e.preventDefault();
309 var id = node.get('id');
310 var re = new RegExp("comment-page-"+this.client_id+"-(\\d+)", "i");
311 var result = id.match(re);
312 this.load(result[1]);
313 }, scope, node);
314 }
315 );
316 },
317 view: function(page) {
318 var container = Y.one('#comment-ctrl-'+this.client_id);
319 var ta = Y.one('#dlg-content-'+this.client_id);
320 var img = Y.one('#comment-img-'+this.client_id);
321 var d = container.getStyle('display');
322 if (d=='none'||d=='') {
323 // show
324 if (this.env != 'block_comments') {
325 this.load(page);
326 } else {
327 this.register_delete_buttons();
328 this.register_pagination();
329 }
330 container.setStyle('display', 'block');
331 img.src=M.util.image_url('t/expanded', 'core');
332 } else {
333 // hide
334 container.setStyle('display', 'none');
335 img.src=M.util.image_url('t/collapsed', 'core');
336 ta.set('value','');
337 }
338 //toggle_textarea.apply(ta, [false]);
339 //// reset textarea size
340 ta.on('click', function() {
341 this.toggle_textarea(true);
342 }, this)
343 //ta.onkeypress = function() {
344 //if (this.scrollHeight > this.clientHeight && !window.opera)
345 //this.rows += 1;
346 //}
347 ta.on('blur', function() {
348 this.toggle_textarea(false);
349 }, this);
350 this.register_actions();
351 return false;
352 },
353 toggle_textarea: function(focus) {
354 var t = Y.one('#dlg-content-'+this.client_id);
355 if (focus) {
356 if (t.get('value') == M.str.moodle.addcomment) {
357 t.set('value', '');
358 t.setStyle('color', 'black');
359 }
360 }else{
361 if (t.get('value') == '') {
362 t.set('value', M.str.moodle.addcomment);
363 t.setStyle('color','grey');
364 t.set('rows', 2);
365 }
366 }
367 },
368 wait: function() {
369 var container = Y.one('#comment-list-'+this.client_id);
370 container.set('innerHTML', '<div class="mdl-align"><img src="'+M.util.image_url('i/loading', 'core')+'" /></div>');
371 }
372 });
374 new CommentHelper(options);
375 },
376 init_admin: function(Y) {
377 var select_all = Y.one('#comment_select_all');
378 select_all.on('click', function(e) {
379 var comments = document.getElementsByName('comments');
380 var checked = false;
381 for (var i in comments) {
382 if (comments[i].checked) {
383 checked=true;
384 }
385 }
386 for (i in comments) {
387 comments[i].checked = !checked;
388 }
389 this.set('checked', !checked);
390 });
392 var comments_delete = Y.one('#comments_delete');
393 if (comments_delete) {
394 comments_delete.on('click', function(e) {
395 e.preventDefault();
396 var list = '';
397 var comments = document.getElementsByName('comments');
398 for (var i in comments) {
399 if (typeof comments[i] == 'object' && comments[i].checked) {
400 list += (comments[i].value + '-');
401 }
402 }
403 if (!list) {
404 return;
405 }
406 var args = {};
407 args.message = M.str.admin.confirmdeletecomments;
408 args.callback = function() {
409 var url = M.cfg.wwwroot + '/comment/index.php';
411 var data = {
412 'commentids': list,
413 'sesskey': M.cfg.sesskey,
414 'action': 'delete'
415 }
416 var cfg = {
417 method: 'POST',
418 on: {
419 complete: function(id,o,p) {
420 if (!o) {
421 alert('IO FATAL');
422 return;
423 }
424 if (o.responseText == 'yes') {
425 location.reload();
426 }
427 }
428 },
429 arguments: {
430 scope: this
431 },
432 headers: {
433 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
434 'User-Agent': 'MoodleComment/3.0'
435 },
436 data: build_querystring(data)
437 };
438 Y.io(url, cfg);
439 }
440 M.util.show_confirm_dialog(e, args);
441 });
442 }
443 }
444 };