cohort/index.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * Cohort related management functions, this file needs to be included manually.
  20  *
  21  * @package    core
  22  * @subpackage cohort
  23  * @copyright  2010 Petr Skoda  {@link http://skodak.org}
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 require('../config.php');
  28 require($CFG->dirroot.'/cohort/lib.php');
  29 require_once($CFG->libdir.'/adminlib.php');
  30
  31 $contextid = optional_param('contextid', 0, PARAM_INT);
  32 $page = optional_param('page', 0, PARAM_INT);
  33 $searchquery  = optional_param('search', '', PARAM_RAW);
  34
  35 require_login();
  36
  37 if ($contextid) {
  38     $context = get_context_instance_by_id($contextid, MUST_EXIST);
  39 } else {
  40     $context = get_context_instance(CONTEXT_SYSTEM);
  41 }
  42
  43 if ($context->contextlevel != CONTEXT_COURSECAT and $context->contextlevel != CONTEXT_SYSTEM) {
  44     print_error('invalidcontext');
  45 }
  46
  47 $category = null;
  48 if ($context->contextlevel == CONTEXT_COURSECAT) {
  49     $category = $DB->get_record('course_categories', array('id'=>$context->instanceid), '*', MUST_EXIST);
  50 }
  51
  52 $manager = has_capability('moodle/cohort:manage', $context);
  53 $canassign = has_capability('moodle/cohort:assign', $context);
  54 if (!$manager) {
  55     require_capability('moodle/cohort:view', $context);
  56 }
  57
  58 $strcohorts = get_string('cohorts', 'cohort');
  59
  60 if ($category) {
  61     $PAGE->set_pagelayout('report');
  62     $PAGE->set_context($context);
  63     $PAGE->set_url('/cohort/index.php', array('contextid'=>$context->id));
  64     $PAGE->set_title($strcohorts);
  65     $PAGE->set_heading($COURSE->fullname);
  66 } else {
  67     admin_externalpage_setup('cohorts', '', null, '', array('pagelayout'=>'report'));
  68 }
  69
  70 echo $OUTPUT->header();
  71
  72 echo $OUTPUT->heading(get_string('cohortsin', 'cohort', print_context_name($context)));
  73
  74 // add search form
  75 $search  = html_writer::start_tag('form', array('id'=>'searchcohortquery', 'method'=>'get'));
  76 $search .= html_writer::start_tag('div');
  77 $search .= html_writer::label(get_string('searchcohort', 'cohort').':', 'cohort_search_q');
  78 $search .= html_writer::empty_tag('input', array('id'=>'cohort_search_q', 'type'=>'text', 'name'=>'search', 'value'=>$searchquery));
  79 $search .= html_writer::empty_tag('input', array('type'=>'submit', 'value'=>get_string('search', 'cohort')));
  80 $search .= html_writer::end_tag('div');
  81 $search .= html_writer::end_tag('form');
  82 echo $search;
  83
  84 $cohorts = cohort_get_cohorts($context->id, $page, 25, $searchquery);
  85
  86 // output pagination bar
  87 $params = array('page' => $page);
  88 if ($contextid) {
  89     $params['contextid'] = $contextid;
  90 }
  91 if ($search) {
  92     $params['search'] = $searchquery;
  93 }
  94 $baseurl = new moodle_url('/cohort/index.php', $params);
  95 echo $OUTPUT->paging_bar($cohorts['totalcohorts'], $page, 25, $baseurl);
  96
  97 $data = array();
  98 foreach($cohorts['cohorts'] as $cohort) {
  99     $line = array();
 100     $line[] = format_string($cohort->name);
 101     $line[] = $cohort->idnumber;
 102     $line[] = format_text($cohort->description, $cohort->descriptionformat);
 103
 104     $line[] = $DB->count_records('cohort_members', array('cohortid'=>$cohort->id));
 105
 106     if (empty($cohort->component)) {
 107         $line[] = get_string('nocomponent', 'cohort');
 108     } else {
 109         $line[] = get_string('pluginname', $cohort->component);
 110     }
 111
 112     $buttons = array();
 113     if (empty($cohort->component)) {
 114         if ($manager) {
 115             $buttons[] = html_writer::link(new moodle_url('/cohort/edit.php', array('id'=>$cohort->id, 'delete'=>1)), html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/delete'), 'alt'=>get_string('delete'), 'class'=>'iconsmall')));
 116             $buttons[] =  html_writer::link(new moodle_url('/cohort/edit.php', array('id'=>$cohort->id)), html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('t/edit'), 'alt'=>get_string('edit'), 'class'=>'iconsmall')));
 117         }
 118         if ($manager or $canassign) {
 119             $buttons[] = html_writer::link(new moodle_url('/cohort/assign.php', array('id'=>$cohort->id)), html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('i/users'), 'alt'=>get_string('assign', 'core_cohort'), 'class'=>'iconsmall')));
 120         }
 121     }
 122     $line[] = implode(' ', $buttons);
 123
 124     $data[] = $line;
 125 }
 126 $table = new html_table();
 127 $table->head  = array(get_string('name', 'cohort'), get_string('idnumber', 'cohort'), get_string('description', 'cohort'),
 128                       get_string('memberscount', 'cohort'), get_string('component', 'cohort'), get_string('edit'));
 129 $table->size  = array('20%', '10%', '40%', '10%', '10%', '10%');
 130 $table->align = array('left', 'left', 'left', 'left','center', 'center');
 131 $table->width = '80%';
 132 $table->data  = $data;
 133 echo html_writer::table($table);
 134 echo $OUTPUT->paging_bar($cohorts['totalcohorts'], $page, 25, $baseurl);
 135
 136 if ($manager) {
 137     echo $OUTPUT->single_button(new moodle_url('/cohort/edit.php', array('contextid'=>$context->id)), get_string('add'));
 138 }
 139
 140 echo $OUTPUT->footer();