cohort/index.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Cohort related management functions, this file needs to be included manually.
  19  *
  20  * @package    core_cohort
  21  * @copyright  2010 Petr Skoda  {@link http://skodak.org}
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require('../config.php');
  26 require($CFG->dirroot.'/cohort/lib.php');
  27 require_once($CFG->libdir.'/adminlib.php');
  28
  29 $contextid = optional_param('contextid', 0, PARAM_INT);
  30 $page = optional_param('page', 0, PARAM_INT);
  31 $searchquery  = optional_param('search', '', PARAM_RAW);
  32
  33 require_login();
  34
  35 if ($contextid) {
  36     $context = context::instance_by_id($contextid, MUST_EXIST);
  37 } else {
  38     $context = context_system::instance();
  39 }
  40
  41 if ($context->contextlevel != CONTEXT_COURSECAT and $context->contextlevel != CONTEXT_SYSTEM) {
  42     print_error('invalidcontext');
  43 }
  44
  45 $category = null;
  46 if ($context->contextlevel == CONTEXT_COURSECAT) {
  47     $category = $DB->get_record('course_categories', array('id'=>$context->instanceid), '*', MUST_EXIST);
  48 }
  49
  50 $manager = has_capability('moodle/cohort:manage', $context);
  51 $canassign = has_capability('moodle/cohort:assign', $context);
  52 if (!$manager) {
  53     require_capability('moodle/cohort:view', $context);
  54 }
  55
  56 $strcohorts = get_string('cohorts', 'cohort');
  57
  58 if ($category) {
  59     $PAGE->set_pagelayout('report');
  60     $PAGE->set_context($context);
  61     $PAGE->set_url('/cohort/index.php', array('contextid'=>$context->id));
  62     $PAGE->set_title($strcohorts);
  63     $PAGE->set_heading($COURSE->fullname);
  64 } else {
  65     admin_externalpage_setup('cohorts', '', null, '', array('pagelayout'=>'report'));
  66 }
  67
  68 echo $OUTPUT->header();
  69
  70 $cohorts = cohort_get_cohorts($context->id, $page, 25, $searchquery);
  71
  72 $count = '';
  73 if ($cohorts['allcohorts'] > 0) {
  74     if ($searchquery === '') {
  75         $count = ' ('.$cohorts['allcohorts'].')';
  76     } else {
  77         $count = ' ('.$cohorts['totalcohorts'].'/'.$cohorts['allcohorts'].')';
  78     }
  79 }
  80
  81 echo $OUTPUT->heading(get_string('cohortsin', 'cohort', $context->get_context_name()).$count);
  82
  83 // Add search form.
  84 $search  = html_writer::start_tag('form', array('id'=>'searchcohortquery', 'method'=>'get'));
  85 $search .= html_writer::start_tag('div');
  86 $search .= html_writer::label(get_string('searchcohort', 'cohort'), 'cohort_search_q'); // No : in form labels!
  87 $search .= html_writer::empty_tag('input', array('id'=>'cohort_search_q', 'type'=>'text', 'name'=>'search', 'value'=>$searchquery));
  88 $search .= html_writer::empty_tag('input', array('type'=>'submit', 'value'=>get_string('search', 'cohort')));
  89 $search .= html_writer::end_tag('div');
  90 $search .= html_writer::end_tag('form');
  91 echo $search;
  92
  93
  94 // Output pagination bar.
  95 $params = array('page' => $page);
  96 if ($contextid) {
  97     $params['contextid'] = $contextid;
  98 }
  99 if ($search) {
 100     $params['search'] = $searchquery;
 101 }
 102 $baseurl = new moodle_url('/cohort/index.php', $params);
 103 echo $OUTPUT->paging_bar($cohorts['totalcohorts'], $page, 25, $baseurl);
 104
 105 $data = array();
 106 foreach($cohorts['cohorts'] as $cohort) {
 107     $line = array();
 108     $line[] = format_string($cohort->name);
 109     $line[] = s($cohort->idnumber); // All idnumbers are plain text.
 110     $line[] = format_text($cohort->description, $cohort->descriptionformat);
 111
 112     $line[] = $DB->count_records('cohort_members', array('cohortid'=>$cohort->id));
 113
 114     if (empty($cohort->component)) {
 115         $line[] = get_string('nocomponent', 'cohort');
 116     } else {
 117         $line[] = get_string('pluginname', $cohort->component);
 118     }
 119
 120     $buttons = array();
 121     if (empty($cohort->component)) {
 122         if ($manager) {
 123             $buttons[] = html_writer::link(new moodle_url('/cohort/edit.php', array('id'=>$cohort->id, 'delete'=>1)), html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/delete'), 'alt'=>get_string('delete'), 'class'=>'iconsmall')));
 124             $buttons[] =  html_writer::link(new moodle_url('/cohort/edit.php', array('id'=>$cohort->id)), html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/edit'), 'alt'=>get_string('edit'), 'class'=>'iconsmall')));
 125         }
 126         if ($manager or $canassign) {
 127             $buttons[] = html_writer::link(new moodle_url('/cohort/assign.php', array('id'=>$cohort->id)), html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('i/users'), 'alt'=>get_string('assign', 'core_cohort'), 'class'=>'iconsmall')));
 128         }
 129     }
 130     $line[] = implode(' ', $buttons);
 131
 132     $data[] = $line;
 133 }
 134 $table = new html_table();
 135 $table->head  = array(get_string('name', 'cohort'), get_string('idnumber', 'cohort'), get_string('description', 'cohort'),
 136                       get_string('memberscount', 'cohort'), get_string('component', 'cohort'), get_string('edit'));
 137 $table->size  = array('20%', '10%', '40%', '10%', '10%', '10%');
 138 $table->align = array('left', 'left', 'left', 'left','center', 'center');
 139 $table->width = '80%';
 140 $table->data  = $data;
 141 echo html_writer::table($table);
 142 echo $OUTPUT->paging_bar($cohorts['totalcohorts'], $page, 25, $baseurl);
 143
 144 if ($manager) {
 145     echo $OUTPUT->single_button(new moodle_url('/cohort/edit.php', array('contextid'=>$context->id)), get_string('add'));
 146 }
 147
 148 echo $OUTPUT->footer();