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- // This file is part of Moodle - http://moodle.org/
- //
- // Moodle is free software: you can redistribute it and/or modify
- // it under the terms of the GNU General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // Moodle is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public License
- // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
- /**
- * Comment Helper
- * @author Dongsheng Cai <dongsheng@moodle.com>
- */
- M.core_comment = {
- /**
- * Initialize commenting system
- */
- init: function(Y, options) {
- var CommentHelper = function(args) {
- CommentHelper.superclass.constructor.apply(this, arguments);
- };
- CommentHelper.NAME = "COMMENT";
- CommentHelper.ATTRS = {
- options: {},
- lang: {}
- };
- Y.extend(CommentHelper, Y.Base, {
- api: M.cfg.wwwroot+'/comment/comment_ajax.php',
- initializer: function(args) {
- var scope = this;
- this.client_id = args.client_id;
- this.itemid = args.itemid;
- this.commentarea = args.commentarea;
- this.component = args.component;
- this.courseid = args.courseid;
- this.contextid = args.contextid;
- this.autostart = (args.autostart);
- // expand comments?
- if (this.autostart) {
- this.view(args.page);
- }
- // load comments
- var handle = Y.one('#comment-link-'+this.client_id);
- // hide toggle link
- if (handle) {
- if (args.notoggle) {
- handle.setStyle('display', 'none');
- }
- handle.on('click', function(e) {
- e.preventDefault();
- this.view(0);
- return false;
- }, this);
- }
- scope.toggle_textarea(false);
- },
- post: function() {
- var ta = Y.one('#dlg-content-'+this.client_id);
- var scope = this;
- var value = ta.get('value');
- if (value && value != M.util.get_string('addcomment', 'moodle')) {
- ta.set('disabled', true);
- ta.setStyles({
- 'backgroundImage': 'url(' + M.util.image_url('i/loading_small', 'core') + ')',
- 'backgroundRepeat': 'no-repeat',
- 'backgroundPosition': 'center center'
- });
- var params = {'content': value};
- this.request({
- action: 'add',
- scope: scope,
- params: params,
- callback: function(id, obj, args) {
- var scope = args.scope;
- var cid = scope.client_id;
- var ta = Y.one('#dlg-content-'+cid);
- ta.set('value', '');
- ta.set('disabled', false);
- ta.setStyle('backgroundImage', 'none');
- scope.toggle_textarea(false);
- var container = Y.one('#comment-list-'+cid);
- var result = scope.render([obj], true);
- var newcomment = Y.Node.create(result.html);
- container.appendChild(newcomment);
- var ids = result.ids;
- var linkText = Y.one('#comment-link-text-' + cid);
- if (linkText) {
- linkText.set('innerHTML', M.util.get_string('commentscount', 'moodle', obj.count));
- }
- for(var i in ids) {
- var attributes = {
- color: { to: '#06e' },
- backgroundColor: { to: '#FFE390' }
- };
- var anim = new Y.YUI2.util.ColorAnim(ids[i], attributes);
- anim.animate();
- }
- scope.register_pagination();
- scope.register_delete_buttons();
- }
- }, true);
- } else {
- var attributes = {
- backgroundColor: { from: '#FFE390', to:'#FFFFFF' }
- };
- var anim = new Y.YUI2.util.ColorAnim('dlg-content-'+cid, attributes);
- anim.animate();
- }
- },
- request: function(args, noloading) {
- var params = {};
- var scope = this;
- if (args['scope']) {
- scope = args['scope'];
- }
- //params['page'] = args.page?args.page:'';
- // the form element only accept certain file types
- params['sesskey'] = M.cfg.sesskey;
- params['action'] = args.action?args.action:'';
- params['client_id'] = this.client_id;
- params['itemid'] = this.itemid;
- params['area'] = this.commentarea;
- params['courseid'] = this.courseid;
- params['contextid'] = this.contextid;
- params['component'] = this.component;
- if (args['params']) {
- for (i in args['params']) {
- params[i] = args['params'][i];
- }
- }
- var cfg = {
- method: 'POST',
- on: {
- complete: function(id,o,p) {
- if (!o) {
- alert('IO FATAL');
- return false;
- }
- var data = Y.JSON.parse(o.responseText);
- if (data.error) {
- if (data.error == 'require_login') {
- args.callback(id,data,p);
- return true;
- }
- alert(data.error);
- return false;
- } else {
- args.callback(id,data,p);
- return true;
- }
- }
- },
- arguments: {
- scope: scope
- },
- headers: {
- 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'
- },
- data: build_querystring(params)
- };
- if (args.form) {
- cfg.form = args.form;
- }
- Y.io(this.api, cfg);
- if (!noloading) {
- this.wait();
- }
- },
- render: function(list, newcmt) {
- var ret = {};
- ret.ids = [];
- var template = Y.one('#cmt-tmpl');
- var html = '';
- for(var i in list) {
- var htmlid = 'comment-'+list[i].id+'-'+this.client_id;
- var val = template.get('innerHTML');
- if (list[i].profileurl) {
- val = val.replace('___name___', '<a href="'+list[i].profileurl+'">'+list[i].fullname+'</a>');
- } else {
- val = val.replace('___name___', list[i].fullname);
- }
- if (list[i]['delete']||newcmt) {
- list[i].content = '<div class="comment-delete"><a href="#" id ="comment-delete-'+this.client_id+'-'+list[i].id+'" title="'+M.util.get_string('deletecomment', 'moodle')+'"><img alt="" src="'+M.util.image_url('t/delete', 'core')+'" /></a></div>' + list[i].content;
- }
- val = val.replace('___time___', list[i].time);
- val = val.replace('___picture___', list[i].avatar);
- val = val.replace('___content___', list[i].content);
- val = '<li id="'+htmlid+'">'+val+'</li>';
- ret.ids.push(htmlid);
- html = (val+html);
- }
- ret.html = html;
- return ret;
- },
- load: function(page) {
- var scope = this;
- var container = Y.one('#comment-ctrl-'+this.client_id);
- var params = {
- 'action': 'get',
- 'page': page
- };
- this.request({
- scope: scope,
- params: params,
- callback: function(id, ret, args) {
- var linkText = Y.one('#comment-link-text-' + scope.client_id);
- if (ret.count && linkText) {
- linkText.set('innerHTML', M.util.get_string('commentscount', 'moodle', ret.count));
- }
- var container = Y.one('#comment-list-'+scope.client_id);
- var pagination = Y.one('#comment-pagination-'+scope.client_id);
- if (ret.pagination) {
- pagination.set('innerHTML', ret.pagination);
- } else {
- //empty paging bar
- pagination.set('innerHTML', '');
- }
- if (ret.error == 'require_login') {
- var result = {};
- result.html = M.util.get_string('commentsrequirelogin', 'moodle');
- } else {
- var result = scope.render(ret.list);
- }
- container.set('innerHTML', result.html);
- var img = Y.one('#comment-img-'+scope.client_id);
- if (img) {
- img.set('src', M.util.image_url('t/expanded', 'core'));
- }
- args.scope.register_pagination();
- args.scope.register_delete_buttons();
- }
- });
- },
- dodelete: function(id) { // note: delete is a reserved word in javascript, chrome and safary do not like it at all here!
- var scope = this,
- cid = scope.client_id,
- params = {'commentid': id};
- function remove_dom(type, anim, cmt) {
- cmt.remove();
- var linkText = Y.one('#comment-link-text-' + cid),
- comments = Y.all('#comment-list-' + cid + ' li');
- if (linkText && comments) {
- linkText.set('innerHTML', M.util.get_string('commentscount', 'moodle', comments.size()));
- }
- }
- this.request({
- action: 'delete',
- scope: scope,
- params: params,
- callback: function(id, resp, args) {
- var htmlid= 'comment-'+resp.commentid+'-'+resp.client_id;
- var attributes = {
- width:{to:0},
- height:{to:0}
- };
- var cmt = Y.one('#'+htmlid);
- cmt.setStyle('overflow', 'hidden');
- var anim = new Y.YUI2.util.Anim(htmlid, attributes, 1, Y.YUI2.util.Easing.easeOut);
- anim.onComplete.subscribe(remove_dom, cmt, this);
- anim.animate();
- }
- }, true);
- },
- register_actions: function() {
- // add new comment
- var action_btn = Y.one('#comment-action-post-'+this.client_id);
- if (action_btn) {
- action_btn.on('click', function(e) {
- e.preventDefault();
- this.post();
- return false;
- }, this);
- }
- // cancel comment box
- var cancel = Y.one('#comment-action-cancel-'+this.client_id);
- if (cancel) {
- cancel.on('click', function(e) {
- e.preventDefault();
- this.view(0);
- return false;
- }, this);
- }
- },
- register_delete_buttons: function() {
- var scope = this;
- // page buttons
- Y.all('div.comment-delete a').each(
- function(node, id) {
- var theid = node.get('id');
- var parseid = new RegExp("comment-delete-"+scope.client_id+"-(\\d+)", "i");
- var commentid = theid.match(parseid);
- if (!commentid) {
- return;
- }
- if (commentid[1]) {
- Y.Event.purgeElement('#'+theid, false, 'click');
- }
- node.on('click', function(e) {
- e.preventDefault();
- if (commentid[1]) {
- scope.dodelete(commentid[1]);
- }
- });
- // Also handle space/enter key.
- node.on('key', function(e) {
- e.preventDefault();
- if (commentid[1]) {
- scope.dodelete(commentid[1]);
- }
- }, '13,32');
- // 13 and 32 are the keycodes for space and enter.
- }
- );
- },
- register_pagination: function() {
- var scope = this;
- // page buttons
- Y.all('#comment-pagination-'+this.client_id+' a').each(
- function(node, id) {
- node.on('click', function(e, node) {
- e.preventDefault();
- var id = node.get('id');
- var re = new RegExp("comment-page-"+this.client_id+"-(\\d+)", "i");
- var result = id.match(re);
- this.load(result[1]);
- }, scope, node);
- }
- );
- },
- view: function(page) {
- var container = Y.one('#comment-ctrl-'+this.client_id);
- var ta = Y.one('#dlg-content-'+this.client_id);
- var img = Y.one('#comment-img-'+this.client_id);
- var d = container.getStyle('display');
- if (d=='none'||d=='') {
- // show
- if (!this.autostart) {
- this.load(page);
- } else {
- this.register_delete_buttons();
- this.register_pagination();
- }
- container.setStyle('display', 'block');
- if (img) {
- img.set('src', M.util.image_url('t/expanded', 'core'));
- }
- } else {
- // hide
- container.setStyle('display', 'none');
- var collapsedimage = 't/collapsed'; // ltr mode
- if ( Y.one(document.body).hasClass('dir-rtl') ) {
- collapsedimage = 't/collapsed_rtl';
- } else {
- collapsedimage = 't/collapsed';
- }
- img.set('src', M.util.image_url(collapsedimage, 'core'));
- if (ta) {
- ta.set('value','');
- }
- }
- if (ta) {
- //toggle_textarea.apply(ta, [false]);
- //// reset textarea size
- ta.on('focus', function() {
- this.toggle_textarea(true);
- }, this);
- //ta.onkeypress = function() {
- //if (this.scrollHeight > this.clientHeight && !window.opera)
- //this.rows += 1;
- //}
- ta.on('blur', function() {
- this.toggle_textarea(false);
- }, this);
- }
- this.register_actions();
- return false;
- },
- toggle_textarea: function(focus) {
- var t = Y.one('#dlg-content-'+this.client_id);
- if (!t) {
- return false;
- }
- if (focus) {
- if (t.get('value') == M.util.get_string('addcomment', 'moodle')) {
- t.set('value', '');
- t.setStyle('color', 'black');
- }
- }else{
- if (t.get('value') == '') {
- t.set('value', M.util.get_string('addcomment', 'moodle'));
- t.setStyle('color','grey');
- t.set('rows', 2);
- }
- }
- },
- wait: function() {
- var container = Y.one('#comment-list-'+this.client_id);
- container.set('innerHTML', '<div class="mdl-align"><img src="'+M.util.image_url('i/loading_small', 'core')+'" /></div>');
- }
- });
- new CommentHelper(options);
- },
- init_admin: function(Y) {
- var select_all = Y.one('#comment_select_all');
- select_all.on('click', function(e) {
- var comments = document.getElementsByName('comments');
- var checked = false;
- for (var i in comments) {
- if (comments[i].checked) {
- checked=true;
- }
- }
- for (i in comments) {
- comments[i].checked = !checked;
- }
- this.set('checked', !checked);
- });
- var comments_delete = Y.one('#comments_delete');
- if (comments_delete) {
- comments_delete.on('click', function(e) {
- e.preventDefault();
- var list = '';
- var comments = document.getElementsByName('comments');
- for (var i in comments) {
- if (typeof comments[i] == 'object' && comments[i].checked) {
- list += (comments[i].value + '-');
- }
- }
- if (!list) {
- return;
- }
- var args = {};
- args.message = M.util.get_string('confirmdeletecomments', 'admin');
- args.callback = function() {
- var url = M.cfg.wwwroot + '/comment/index.php';
- var data = {
- 'commentids': list,
- 'sesskey': M.cfg.sesskey,
- 'action': 'delete'
- };
- var cfg = {
- method: 'POST',
- on: {
- complete: function(id,o,p) {
- if (!o) {
- alert('IO FATAL');
- return;
- }
- if (o.responseText == 'yes') {
- location.reload();
- }
- }
- },
- arguments: {
- scope: this
- },
- headers: {
- 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'
- },
- data: build_querystring(data)
- };
- Y.io(url, cfg);
- };
- M.util.show_confirm_dialog(e, args);
- });
- }
- }
- };
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