f29d3017ee22a1351cb2186d9c90b9e23e1e71df
[moodle.git] / blocks / community / renderer.php
1 <?php
3 ///////////////////////////////////////////////////////////////////////////
4 //                                                                       //
5 // This file is part of Moodle - http://moodle.org/                      //
6 // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
7 //                                                                       //
8 // Moodle is free software: you can redistribute it and/or modify        //
9 // it under the terms of the GNU General Public License as published by  //
10 // the Free Software Foundation, either version 3 of the License, or     //
11 // (at your option) any later version.                                   //
12 //                                                                       //
13 // Moodle is distributed in the hope that it will be useful,             //
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
16 // GNU General Public License for more details.                          //
17 //                                                                       //
18 // You should have received a copy of the GNU General Public License     //
19 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.       //
20 //                                                                       //
21 ///////////////////////////////////////////////////////////////////////////
23 /**
24  * Block community renderer.
25  * @package   block_community
26  * @copyright 2010 Moodle Pty Ltd (http://moodle.com)
27  * @author    Jerome Mouneyrac
28  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
29  */
30 class block_community_renderer extends plugin_renderer_base {
32     public function restore_confirmation_box($filename, $context) {
33         $restoreurl = new moodle_url('/backup/restore.php',
34                         array('filename' => $filename . ".mbz", 'contextid' => $context->id));
35         $searchurl = new moodle_url('/blocks/community/communitycourse.php',
36                         array('add' => 1, 'courseid' => $context->instanceid,
37                             'cancelrestore' => 1, 'sesskey' => sesskey(),
38                             'filename' => $filename));
39         $formrestore = new single_button($restoreurl,
40                         get_string('dorestore', 'block_community'));
41         $formsearch = new single_button($searchurl,
42                         get_string('donotrestore', 'block_community'));
43         return $this->output->confirm(get_string('restorecourseinfo', 'block_community'),
44                 $formrestore, $formsearch);
45     }
47     /**
48      * Display remove community success message and a button to be redirected to te referer page
49      * @param moodle_url $url the page to be redirected to
50      * @return string html
51      */
52     public function remove_success(moodle_url $url) {
53         $html = $this->output->notification(get_string('communityremoved', 'hub'),
54                     'notifysuccess');
55         $continuebutton = new single_button($url,
56                         get_string('continue', 'block_community'));
57         $html .= html_writer::tag('div', $this->output->render($continuebutton),
58                 array('class' => 'continuebutton'));
59         return $html;
60     }
62     /**
63      * Display add community course success message and a button to be redirected to te referer page
64      * @param moodle_url $url the page to be redirected to
65      * @return string html
66      */
67     public function save_link_success(moodle_url $url) {
68         $html = $this->output->notification(get_string('addedtoblock', 'block_community'),
69                     'notifysuccess');
70         $continuebutton = new single_button($url,
71                         get_string('continue', 'block_community'));
72         $html .= html_writer::tag('div', $this->output->render($continuebutton),
73                 array('class' => 'continuebutton'));
74         return $html;
75     }
77     /**
78      * The 'Next'/'more course result' link for a courses search
79      * @param array $data - the form parameter to execute the search on more result
80      * @return string html code
81      */
82     public function next_button($data) {
83         $nextlink = html_writer::tag('a', get_string('next', 'block_community'),
84                 array('href' => new moodle_url('', $data)));
85         return html_writer::tag('div', $nextlink, array( 'class' => 'nextlink'));
86     }
88     /**
89      * Display a list of courses
90      * @param array $courses
91      * @param boolean $withwriteaccess
92      * @param int $contextcourseid context course id
93      * @return string
94      */
95     public function course_list($courses, $huburl, $contextcourseid) {
96         global $CFG;
98         $renderedhtml = '';
100         if (empty($courses)) {
101             if (isset($courses)) {
102                 $renderedhtml .= get_string('nocourse', 'block_community');
103             }
104         } else {
105             $courseiteration = 0;
106             foreach ($courses as $course) {
107                 $course = (object) $course;
108                 $courseiteration = $courseiteration + 1;
110                 //create visit link html
111                 if (!empty($course->courseurl)) {
112                     $courseurl = new moodle_url($course->courseurl);
113                     $linktext = get_string('visitsite', 'block_community');
114                 } else {
115                     $courseurl = new moodle_url($course->demourl);
116                     $linktext = get_string('visitdemo', 'block_community');
117                 }
119                 $visitlinkhtml = html_writer::tag('a', $linktext,
120                                 array('href' => $courseurl, 'class' => 'hubcoursedownload',
121                                     'onclick' => 'this.target="_blank"'));
123                 //create title html
124                 $coursename = html_writer::tag('h3', $course->fullname,
125                                 array('class' => 'hubcoursetitle'));
126                 $coursenamehtml = html_writer::tag('div', $coursename,
127                         array('class' => 'hubcoursetitlepanel'));
129                 // create screenshots html
130                 $screenshothtml = '';
131                 if (!empty($course->screenshots)) {
132                     $baseurl = new moodle_url($huburl . '/local/hub/webservice/download.php',
133                                     array('courseid' => $course->id,
134                                         'filetype' => HUB_SCREENSHOT_FILE_TYPE));
135                     $screenshothtml = html_writer::empty_tag('img',
136                         array('src' => $baseurl, 'alt' => $course->fullname));
137                 }
138                 $coursescreenshot = html_writer::tag('div', $screenshothtml,
139                                 array('class' => 'coursescreenshot',
140                                     'id' => 'image-' . $course->id));
142                 //create description html
143                 $deschtml = html_writer::tag('div', $course->description,
144                                 array('class' => 'hubcoursedescription'));
146                 //create users related information html
147                 $courseuserinfo = get_string('userinfo', 'block_community', $course);
148                 if ($course->contributornames) {
149                     $courseuserinfo .= ' - ' . get_string('contributors', 'block_community',
150                                     $course->contributornames);
151                 }
152                 $courseuserinfohtml = html_writer::tag('div', $courseuserinfo,
153                                 array('class' => 'hubcourseuserinfo'));
155                 //create course content related information html
156                 $course->subject = (get_string_manager()->string_exists($course->subject, 'edufields')) ?
157                         get_string($course->subject, 'edufields') : get_string('none');
158                 $course->audience = get_string('audience' . $course->audience, 'hub');
159                 $course->educationallevel = get_string('edulevel' . $course->educationallevel, 'hub');
160                 $coursecontentinfo = '';
161                 if (empty($course->coverage)) {
162                     $course->coverage = '';
163                 } else {
164                     $coursecontentinfo .= get_string('coverage', 'block_community', $course->coverage);
165                     $coursecontentinfo .= ' - ';
166                 }
167                 $coursecontentinfo .= get_string('contentinfo', 'block_community', $course);
168                 $coursecontentinfohtml = html_writer::tag('div', $coursecontentinfo,
169                                 array('class' => 'hubcoursecontentinfo'));
171                 ///create course file related information html
172                 //language
173                 if (!empty($course->language)) {
174                     $languages = get_string_manager()->get_list_of_languages();
175                     $course->lang = $languages[$course->language];
176                 } else {
177                     $course->lang = '';
178                 }
179                 //licence
180                 require_once($CFG->libdir . "/licenselib.php");
181                 $licensemanager = new license_manager();
182                 $licenses = $licensemanager->get_licenses();
183                 foreach ($licenses as $license) {
184                     if ($license->shortname == $course->licenceshortname) {
185                         $course->license = $license->fullname;
186                     }
187                 }
188                 $course->timeupdated = userdate($course->timemodified);
189                 $coursefileinfo = get_string('fileinfo', 'block_community', $course);
190                 $coursefileinfohtml = html_writer::tag('div', $coursefileinfo,
191                                 array('class' => 'hubcoursefileinfo'));
195                 //Create course content html
196                 $blocks = core_component::get_plugin_list('block');
197                 $activities = core_component::get_plugin_list('mod');
198                 if (!empty($course->contents)) {
199                     $activitieshtml = '';
200                     $blockhtml = '';
201                     foreach ($course->contents as $content) {
202                         $content = (object) $content;
203                         if ($content->moduletype == 'block') {
204                             if (!empty($blockhtml)) {
205                                 $blockhtml .= ' - ';
206                             }
207                             if (array_key_exists($content->modulename, $blocks)) {
208                                 $blockname = get_string('pluginname', 'block_' . $content->modulename);
209                             } else {
210                                 $blockname = $content->modulename;
211                             }
212                             $blockhtml .= $blockname . " (" . $content->contentcount . ")";
213                         } else {
214                             if (!empty($activitieshtml)) {
215                                 $activitieshtml .= ' - ';
216                             }
217                             if (array_key_exists($content->modulename, $activities)) {
218                                 $activityname = get_string('modulename', $content->modulename);
219                             } else {
220                                 $activityname = $content->modulename;
221                             }
222                             $activitieshtml .= $activityname . " (" . $content->contentcount . ")";
223                         }
224                     }
226                     $blocksandactivities = html_writer::tag('div',
227                                     get_string('activities', 'block_community') . " : " . $activitieshtml);
229                     //Uncomment following lines to display blocks information
230 //                    $blocksandactivities .= html_writer::tag('span',
231 //                                    get_string('blocks', 'block_community') . " : " . $blockhtml);
232                 }
234                 //Create outcomes html
235                 $outcomes= '';
236                 if (!empty($course->outcomes)) {
237                     foreach ($course->outcomes as $outcome) {
238                         if (!empty($outcomes)) {
239                             $outcomes .= ', ';
240                         }
241                         $outcomes .= $outcome['fullname'];
242                     }
243                     $outcomes = get_string('outcomes', 'block_community',
244                             $outcomes);
245                 }
246                 $outcomeshtml = html_writer::tag('div', $outcomes, array('class' => 'hubcourseoutcomes'));
248                 //create additional information html
249                 $additionaldesc = $courseuserinfohtml . $coursecontentinfohtml
250                         . $coursefileinfohtml . $blocksandactivities . $outcomeshtml;
251                 $additionaldeschtml = html_writer::tag('div', $additionaldesc,
252                                 array('class' => 'additionaldesc'));
254                 //Create add button html
255                 $addbuttonhtml = "";
256                 if ($course->enrollable) {
257                     $params = array('sesskey' => sesskey(), 'add' => 1, 'confirmed' => 1,
258                         'coursefullname' => $course->fullname, 'courseurl' => $courseurl,
259                         'coursedescription' => $course->description,
260                         'courseid' => $contextcourseid);
261                     $addurl = new moodle_url("/blocks/community/communitycourse.php", $params);
262                     $addbuttonhtml = html_writer::tag('a',
263                                     get_string('addtocommunityblock', 'block_community'),
264                                     array('href' => $addurl, 'class' => 'centeredbutton, hubcoursedownload'));
265                 }
267                 //create download button html
268                 $downloadbuttonhtml = "";
269                 if (!$course->enrollable) {
270                     $params = array('sesskey' => sesskey(), 'download' => 1, 'confirmed' => 1,
271                         'remotemoodleurl' => $CFG->wwwroot, 'courseid' => $contextcourseid,
272                         'downloadcourseid' => $course->id, 'huburl' => $huburl,
273                         'coursefullname' => $course->fullname, 'backupsize' => $course->backupsize);
274                     $downloadurl = new moodle_url("/blocks/community/communitycourse.php", $params);
275                     $downloadbuttonhtml = html_writer::tag('a', get_string('install', 'block_community'),
276                                     array('href' => $downloadurl, 'class' => 'centeredbutton, hubcoursedownload'));
277                 }
279                 //Create rating html
280                 $rating = html_writer::tag('div', get_string('noratings', 'block_community'),
281                                 array('class' => 'norating'));
282                 if (!empty($course->rating)) {
283                     $course->rating = (object) $course->rating;
284                     if ($course->rating->count > 0) {
286                         //calculate size of the rating star
287                         $starimagesize = 20; //in px
288                         $numberofstars = 5;
289                         $size = ($course->rating->aggregate / $course->rating->scaleid)
290                                 * $numberofstars * $starimagesize;
291                         $rating = html_writer::tag('li', '',
292                                         array('class' => 'current-rating',
293                                             'style' => 'width:' . $size . 'px;'));
295                         $rating = html_writer::tag('ul', $rating,
296                                         array('class' => 'star-rating clearfix'));
297                         $rating .= html_writer::tag('div', ' (' . $course->rating->count . ')',
298                                         array('class' => 'ratingcount clearfix'));
299                     }
300                 }
303                 //Create comments html
304                 $coursecomments = html_writer::tag('div', get_string('nocomments', 'block_community'),
305                                 array('class' => 'nocomments'));
306                 $commentcount = 0;
307                 if (!empty($course->comments)) {
308                     //display only if there is some comment if there is some comment
309                     $commentcount = count($course->comments);
310                     $coursecomments = html_writer::tag('div',
311                                     get_string('comments', 'block_community', $commentcount),
312                                     array('class' => 'commenttitle'));
314                     foreach ($course->comments as $comment) {
315                         $commentator = html_writer::tag('div',
316                                         $comment['commentator'],
317                                         array('class' => 'hubcommentator'));
318                         $commentdate = html_writer::tag('div',
319                                         ' - ' . userdate($comment['date'], '%e/%m/%y'),
320                                         array('class' => 'hubcommentdate clearfix'));
322                         $commenttext = html_writer::tag('div',
323                                         $comment['comment'],
324                                         array('class' => 'hubcommenttext'));
326                         $coursecomments .= html_writer::tag('div',
327                                         $commentator . $commentdate . $commenttext,
328                                         array('class' => 'hubcomment'));
329                     }
330                     $coursecommenticon = html_writer::tag('div',
331                                     get_string('comments', 'block_community', $commentcount),
332                                     array('class' => 'hubcoursecomments',
333                                         'id' => 'comments-' . $course->id));
334                     $coursecomments = $coursecommenticon . html_writer::tag('div',
335                                     $coursecomments,
336                                     array('class' => 'yui3-overlay-loading',
337                                         'id' => 'commentoverlay-' . $course->id));
338                 }
340                 //link rate and comment
341                 $rateandcomment = html_writer::tag('div',
342                                 html_writer::tag('a', get_string('rateandcomment', 'block_community'),
343                                         array('href' => new moodle_url($huburl,
344                                                     array('courseid' => $course->id, 'mustbelogged' => true)),
345                                             'onclick' => 'this.target="_blank"')),
346                                 array('class' => 'hubrateandcomment'));
348                 //the main DIV tags
349                 $buttonsdiv = html_writer::tag('div',
350                                 $addbuttonhtml . $downloadbuttonhtml . $visitlinkhtml,
351                                 array('class' => 'courseoperations'));
352                 $screenshotbuttonsdiv = html_writer::tag('div',
353                                 $coursescreenshot . $buttonsdiv,
354                                 array('class' => 'courselinks'));
356                 $coursedescdiv = html_writer::tag('div',
357                                 $deschtml . $additionaldeschtml
358                                 . $rating . $coursecomments . $rateandcomment,
359                                 array('class' => 'coursedescription'));
360                 $coursehtml =
361                         $coursenamehtml . html_writer::tag('div',
362                                 $coursedescdiv . $screenshotbuttonsdiv,
363                                 array('class' => 'hubcourseinfo clearfix'));
365                 $renderedhtml .=html_writer::tag('div', $coursehtml,
366                                 array('class' => 'fullhubcourse clearfix'));
367             }
369             $renderedhtml = html_writer::tag('div', $renderedhtml,
370                             array('class' => 'hubcourseresult'));
371         }
373         return $renderedhtml;
374     }