MDL-30617 Add a javascript interface for adding modules to a course
[moodle.git] / course / yui / modchooser / modchooser.js
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1YUI.add('moodle-course-modchooser', function(Y) {
2 var CSS = {
3 PAGECONTENT : 'div#page-content',
4 SECTION : 'li.section',
5 SECTIONMODCHOOSER : 'a.sectionmodchooserlink',
6 SITEMENU : 'div.block_site_main_menu',
7 SITETOPIC : 'div.sitetopic'
8 };
9
10 var MODCHOOSERNAME = 'course-modchooser';
11
12 var MODCHOOSER = function() {
13 MODCHOOSER.superclass.constructor.apply(this, arguments);
14 }
15
16 Y.extend(MODCHOOSER, M.core.chooserdialogue, {
17 // The current section ID
18 sectionid : null,
19
20 // The hidden element holding the jump param
21 jumplink : null,
22
23 initializer : function(config) {
24 var dialogue = Y.one('#chooserdialogue');
25 var header = Y.one('#choosertitle');
26 var params = {
27 width: '540px'
28 };
29 this.setup_chooser_dialogue(dialogue, header, params);
30
31 this.jumplink = this.container.one('#jump');
32
33 // Initialize existing sections and register for dynamically created sections
34 this.setup_for_section();
35 M.course.coursebase.register_module(this);
36
37 // Catch the page toggle
38 Y.all('.block_settings #settingsnav .type_course .modchoosertoggle a').on('click', this.toggle_mod_chooser, this);
39
40 // Ensure that help links are opened in an appropriate popup
41 this.container.all('div.helpdoclink a').on('click', function(e) {
42 var anchor = e.target.ancestor('a', true);
43
44 var args = {
45 'name' : 'popup',
46 'url' : anchor.getAttribute('href'),
47 'option' : ''
48 };
49 var options = [
50 'height=400',
51 'width=500',
52 'top=0',
53 'left=0',
54 'menubar=0',
55 'location=0',
56 'scrollbars',
57 'resizable',
58 'toolbar',
59 'status',
60 'directories=0',
61 'fullscreen=0',
62 'dependent'
63 ]
64 args.options = options.join(',');
65
66 // Note: openpopup is provided by lib/javascript-static.js
67 openpopup(e, args);
68 });
69 },
70 /**
71 * Update any section areas within the scope of the specified
72 * selector with AJAX equivalents
73 *
74 * @param baseselector The selector to limit scope to
75 * @return void
76 */
77 setup_for_section : function(baseselector) {
78 if (!baseselector) {
79 var baseselector = CSS.PAGECONTENT;
80 }
81
82 // Setup for site topics
83 Y.one(baseselector).all(CSS.SITETOPIC).each(function(section) {
84 // The site topic has a sectionid of 1
85 this._setup_for_section(section, 1);
86 }, this);
87
88 // Setup for the site menu
89 Y.one(baseselector).all(CSS.SITEMENU).each(function(section) {
90 // The site menu has a sectionid of 0
91 this._setup_for_section(section, 0);
92 }, this);
93
94 // Setup for standard course topics
95 Y.one(baseselector).all(CSS.SECTION).each(function(section) {
96 // Determine the sectionid for this section
97 var sectionid = section.get('id').replace('section-', '');
98 this._setup_for_section(section, sectionid);
99 }, this);
100 },
101 _setup_for_section : function(section, sectionid) {
102 var chooserlink = section.one(CSS.SECTIONMODCHOOSER);
103 chooserlink.on('click', this.display_mod_chooser, this, sectionid);
104 },
105 /**
106 * Display the module chooser
107 *
108 * @param e Event Triggering Event
109 * @param secitonid integer The ID of the section triggering the dialogue
110 * @return void
111 */
112 display_mod_chooser : function (e, sectionid) {
113 // Set the section for this version of the dialogue
114 this.sectionid = sectionid;
115 this.display_chooser(e);
116 },
117 toggle_mod_chooser : function(e) {
118 // Get the add section link
119 var modchooserlinks = Y.all('div.addresourcemodchooser');
120
121 // Get the dropdowns
122 var dropdowns = Y.all('div.addresourcedropdown');
123
124 if (modchooserlinks.size() == 0) {
125 // Continue with non-js action if there are no modchoosers to add
126 return;
127 }
128
129 // We need to update the text and link
130 var togglelink = Y.one('.block_settings #settingsnav .type_course .modchoosertoggle a');
131
132 // The actual text is in the last child
133 var toggletext = togglelink.get('lastChild');
134
135 var usemodchooser;
136 // Determine whether they're currently hidden
137 if (modchooserlinks.item(0).hasClass('visibleifjs')) {
138 // The modchooser is currently visible, hide it
139 usemodchooser = 0;
140 modchooserlinks
141 .removeClass('visibleifjs')
142 .addClass('hiddenifjs');
143 dropdowns
144 .addClass('visibleifjs')
145 .removeClass('hiddenifjs');
146 toggletext.set('data', M.util.get_string('modchooserenable', 'moodle'));
147 togglelink.set('href', togglelink.get('href').replace('off', 'on'));
148 } else {
149 // The modchooser is currently not visible, show it
150 usemodchooser = 1;
151 modchooserlinks
152 .addClass('visibleifjs')
153 .removeClass('hiddenifjs');
154 dropdowns
155 .removeClass('visibleifjs')
156 .addClass('hiddenifjs');
157 toggletext.set('data', M.util.get_string('modchooserdisable', 'moodle'));
158 togglelink.set('href', togglelink.get('href').replace('on', 'off'));
159 }
160
161 M.util.set_user_preference('usemodchooser', usemodchooser);
162
163 // Prevent the page from reloading
164 e.preventDefault();
165 },
166 option_selected : function(thisoption) {
167 // Add the sectionid to the URL
168 this.jumplink.set('value', thisoption.get('value') + '&section=' + this.sectionid);
169 }
170 },
171 {
172 NAME : MODCHOOSERNAME,
173 ATTRS : {
174 }
175 });
176 M.course = M.course || {};
177 M.course.init_chooser = function(config) {
178 return new MODCHOOSER(config);
179 }
180},
181'@VERSION@', {
182 requires:['base', 'overlay', 'moodle-core-chooserdialogue', 'transition']
183}
184);