view.php

<?php

// 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/>.


/**
 * Prints a particular instance of pcast
 *
 * You can have a rather longer description of the file as well,
 * if you like, and it can span multiple lines.
 *
 * @package   mod_pcast
 * @copyright 2010 Stephen Bourget
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */


require_once(dirname(__FILE__) . '/../../config.php');
require_once(dirname(__FILE__).'/lib.php');
require_once(dirname(__FILE__).'/locallib.php');
require_once($CFG->libdir . '/completionlib.php');


$id = optional_param('id', 0, PARAM_INT); // course_module ID.

// COPIED FROM GLOSSARY
$mode       = optional_param('mode', PCAST_STANDARD_VIEW, PARAM_ALPHANUM); // term entry cat date letter search author approval
$hook       = optional_param('hook', 'ALL', PARAM_CLEAN);           // the term, entry, cat, etc... to look for based on mode
$sortkey    = optional_param('sortkey', '', PARAM_ALPHANUM);        // Sorted view: CREATION | UPDATE | FIRSTNAME | LASTNAME...
$sortorder  = optional_param('sortorder', 'asc', PARAM_ALPHA);   // it defines the order of the sorting (ASC or DESC)
$page       = optional_param('page', 0,PARAM_INT);               // Page to show (for paging purposes)

// END COPY

if ($id) {
    $cm         = get_coursemodule_from_id('pcast', $id, 0, false, MUST_EXIST);
    $course     = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
    $pcast  = $DB->get_record('pcast', array('id' => $cm->instance), '*', MUST_EXIST);
} else {
    print_error('invalidcmorid', 'pcast');
}

require_login($course, true, $cm);
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
require_capability('mod/pcast:view',$context);


add_to_log($course->id, 'pcast', 'view', "view.php?id=$cm->id", $pcast->name, $cm->id);


/// Mark as viewed
$completion=new completion_info($course);
$completion->set_module_viewed($cm);

/// Print the page header

$PAGE->set_url('/mod/pcast/view.php', array('id' => $cm->id, 'mode'=>$mode));
$PAGE->set_title($pcast->name);
$PAGE->set_heading($course->fullname);
$PAGE->set_context($context);

// Output starts here
echo $OUTPUT->header();

//Set Up Groups
$groupmode = groups_get_activity_groupmode($cm);

if($groupmode) {
    groups_get_activity_group($cm, true);
    groups_print_activity_menu($cm, new moodle_url('/mod/pcast/view.php',array('id'=>$id)));
}

echo $OUTPUT->heading_with_help(get_string("viewpcast","pcast",$pcast->name), 'pcast' ,'pcast', 'icon');

/// Show the add entry button if allowed (usercan post + write or manage caps)
if (((has_capability('mod/pcast:write', $context))and ($pcast->userscanpost)) or (has_capability('mod/pcast:manage', $context))) {
    $url = new moodle_url('/mod/pcast/edit.php', array('cmid'=>$cm->id));
    $out = html_writer::start_tag('div',array('class'=>'pcast-addentry')). "\n";
    $out .= html_writer::start_tag('form',array('id'=>'newentryform','method'=>'get', 'action'=>$url)). "\n";
    $out .= html_writer::start_tag('div',array('class'=>'singlebutton')). "\n";
    $out .= html_writer::empty_tag('input',array('type'=>'hidden','name'=>'cmid','value'=>$cm->id)). "\n";
    $out .= html_writer::empty_tag('input',array('type'=>'submit','value'=>get_string('addnewepisode', 'pcast'))). "\n";
    $out .= html_writer::end_tag('div'). "\n";
    $out .= html_writer::end_tag('form'). "\n";
    $out .= html_writer::end_tag('div'). "\n";
    $out .= html_writer::empty_tag('br'). "\n";
    echo $out;
}

// Print heading and tabs
// *************************************************************************
//Sorting info
if (!isset($sortorder)) {
    $sortorder = '';
}
if (!isset($sortkey)) {
    $sortkey = '';
}

//make sure variables are properly cleaned
$sortkey   = clean_param($sortkey, PARAM_ALPHANUM);// Sorted view: CREATION | UPDATE | FIRSTNAME | LASTNAME...
$sortorder = clean_param($sortorder, PARAM_ALPHA);   // it defines the order of the sorting (ASC or DESC)

$tabrows = array();
$browserow = array();

$url = new moodle_url('/mod/pcast/view.php', array('id'=>$id, 'mode'=>PCAST_STANDARD_VIEW));
$browserow[] = new tabobject(PCAST_STANDARD_VIEW, $url, get_string('standardview', 'pcast'));

if($pcast->userscancategorize) {
    $url = new moodle_url('/mod/pcast/view.php', array('id'=>$id, 'mode'=>PCAST_CATEGORY_VIEW));
    $browserow[] = new tabobject(PCAST_CATEGORY_VIEW, $url, get_string('categoryview', 'pcast'));
}
$url = new moodle_url('/mod/pcast/view.php', array('id'=>$id, 'mode'=>PCAST_DATE_VIEW));
$browserow[] = new tabobject(PCAST_DATE_VIEW, $url, get_string('dateview', 'pcast'));

if($pcast->displayauthor or has_capability('mod/pcast:manage', $context)) {
    $url = new moodle_url('/mod/pcast/view.php', array('id'=>$id, 'mode'=>PCAST_AUTHOR_VIEW));
    $browserow[] = new tabobject(PCAST_AUTHOR_VIEW, $url, get_string('authorview', 'pcast'));
}


if (has_capability('mod/pcast:approve', $context)) {
    $url = new moodle_url('/mod/pcast/view.php', array('id'=>$id, 'mode'=>PCAST_APPROVAL_VIEW));
    $browserow[] = new tabobject(PCAST_APPROVAL_VIEW, $url, get_string('approvalview', 'pcast'));
}


/// Put all this info together

$tabrows[] = $browserow;     // Always put these at the top

echo html_writer::start_tag('div',array('class'=>'pcastdisplay')). "\n";
print_tabs($tabrows, $mode);
echo html_writer::end_tag('div'). "\n";

if (!isset($category)) {
    $category = "";
}

// Check to see if any content should be displayed (prevents guessing of URLs)
if((!$pcast->userscancategorize) and ($mode == PCAST_CATEGORY_VIEW)) {
    print_error('errorinvalidmode','pcast');
} else if((!$pcast->displayauthor and !has_capability('mod/pcast:manage', $context)) and ($mode == PCAST_AUTHOR_VIEW)) {
    print_error('errorinvalidmode','pcast');
} else if ((!has_capability('mod/pcast:approve', $context)) and ($mode == PCAST_APPROVAL_VIEW)) {
    print_error('errorinvalidmode','pcast');
}



switch ($mode) {

    case PCAST_CATEGORY_VIEW:
         pcast_print_categories_menu($cm, $pcast, $hook);
    break;

    case PCAST_APPROVAL_VIEW:
        if (!$sortkey) {
            $sortkey = PCAST_DATE_CREATED;
        }
        if (!$sortorder) {
            $sortorder = 'asc';
        }
         pcast_print_approval_menu($cm, $pcast, $mode, $hook, $sortkey, $sortorder);
    break;

    case PCAST_AUTHOR_VIEW:
        if (!$sortkey) {
            $sortkey = PCAST_AUTHOR_LNAME;
        }
        if (!$sortorder) {
            $sortorder = 'asc';
        }
         pcast_print_author_menu($cm, $pcast, $mode, $hook, $sortkey, $sortorder);
    break;

    case PCAST_DATE_VIEW:
        if (!$sortkey) {
            $sortkey = PCAST_DATE_UPDATED;
        }
        if (!$sortorder) {
            $sortorder = 'desc';
        }
         pcast_print_date_menu($cm, $pcast, $mode, $hook, $sortkey, $sortorder);
    break;

    case PCAST_STANDARD_VIEW:
    default:
         pcast_print_alphabet_menu($cm, $pcast, $mode, $hook, $sortkey, $sortorder);

    break;
}
echo html_writer::empty_tag('hr'). "\n";

//**************************************************************************

// Print the main part of the page (The content)
echo html_writer::start_tag('div',array('id'=>'pcast-view','class'=>'generalbox')). "\n";
echo html_writer::start_tag('div',array('class'=>'generalboxcontent')). "\n";
/// Next print the list of episodes

switch($mode) {
    case PCAST_STANDARD_VIEW:

        pcast_display_standard_episodes($pcast, $cm, $groupmode, $hook, $sortkey, $sortorder);
        break;

    case PCAST_CATEGORY_VIEW:

        pcast_display_category_episodes($pcast, $cm, $groupmode, $hook);
        break;

    case PCAST_DATE_VIEW:

        pcast_display_date_episodes($pcast, $cm, $groupmode, $hook, $sortkey, $sortorder);
        break;

    case PCAST_AUTHOR_VIEW:

        pcast_display_author_episodes($pcast, $cm, $groupmode, $hook, $sortkey, $sortorder);
        break;

    case PCAST_APPROVAL_VIEW:
        pcast_display_approval_episodes($pcast, $cm, $groupmode, $hook, $sortkey, $sortorder);

        break;

    default:

        pcast_display_standard_episodes($pcast, $cm, $groupmode, $hook, $sortkey, $sortorder);
        break;    }

echo html_writer::end_tag('div'). "\n";
echo html_writer::end_tag('div'). "\n";


// Finish the page
echo $OUTPUT->footer();