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406 lines
16 KiB
PHP
Executable File
406 lines
16 KiB
PHP
Executable File
<?php // $Id$
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///////////////////////////////////////////////////////////////////////////
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// //
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// NOTICE OF COPYRIGHT //
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// //
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// Moodle - Modular Object-Oriented Dynamic Learning Environment //
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// http://moodle.org //
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// //
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// Copyright (C) 2005 Martin Dougiamas http://dougiamas.com //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation; either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details: //
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// //
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// http://www.gnu.org/copyleft/gpl.html //
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// //
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///////////////////////////////////////////////////////////////////////////
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require_once('../../config.php');
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require_once('lib.php');
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require_once($CFG->libdir.'/blocklib.php');
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require_once("$CFG->libdir/rsslib.php");
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require_once('pagelib.php');
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/// One of these is necessary!
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$id = optional_param('id', 0, PARAM_INT); // course module id
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$d = optional_param('d', 0, PARAM_INT); // database id
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$rid = optional_param('rid', 0, PARAM_INT); //record id
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$mode = optional_param('mode', '', PARAM_ALPHA); // Force the browse mode ('single')
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/// These can be added to perform an action on a record
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$approve = optional_param('approve', 0, PARAM_INT); //approval recordid
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$delete = optional_param('delete', 0, PARAM_INT); //delete recordid
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if ($id) {
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if (! $cm = get_record('course_modules', 'id', $id)) {
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error('Course Module ID was incorrect');
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}
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if (! $course = get_record('course', 'id', $cm->course)) {
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error('Course is misconfigured');
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}
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if (! $data = get_record('data', 'id', $cm->instance)) {
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error('Course module is incorrect');
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}
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$record = NULL;
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} else if ($rid) {
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if (! $record = get_record('data_records', 'id', $rid)) {
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error('Record ID is incorrect');
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}
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if (! $data = get_record('data', 'id', $record->dataid)) {
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error('Data ID is incorrect');
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}
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if (! $course = get_record('course', 'id', $data->course)) {
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error('Course is misconfigured');
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}
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if (! $cm = get_coursemodule_from_instance('data', $data->id, $course->id)) {
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error('Course Module ID was incorrect');
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}
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} else { // We must have $d
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if (! $data = get_record('data', 'id', $d)) {
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error('Data ID is incorrect');
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}
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if (! $course = get_record('course', 'id', $data->course)) {
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error('Course is misconfigured');
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}
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if (! $cm = get_coursemodule_from_instance('data', $data->id, $course->id)) {
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error('Course Module ID was incorrect');
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}
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$record = NULL;
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}
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require_course_login($course, true, $cm);
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/// If it's hidden then it's don't show anything. :)
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if (empty($cm->visible) and !isteacher($course->id)) {
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notice(get_string("activityiscurrentlyhidden"));
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}
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/// If we have an empty Database then redirect because this page is useless without data
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if (isteacher($course->id)) {
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if (!record_exists('data_fields','dataid',$data->id)) { // Brand new database!
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redirect($CFG->wwwroot.'/mod/data/field.php?d='.$data->id); // Redirect to field entry
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}
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}
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/// Check further parameters that set browsing preferences
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if (!isset($SESSION->dataprefs)) {
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$SESSION->dataprefs = array();
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}
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if (!isset($SESSION->dataprefs[$data->id])) {
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$SESSION->dataprefs[$data->id] = array();
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$SESSION->dataprefs[$data->id]['search'] = '';
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$SESSION->dataprefs[$data->id]['sort'] = $data->defaultsort;
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$SESSION->dataprefs[$data->id]['order'] = ($data->defaultsortdir == 0) ? 'ASC' : 'DESC';
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}
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$search = optional_param('search', $SESSION->dataprefs[$data->id]['search'], PARAM_NOTAGS);
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$SESSION->dataprefs[$data->id]['search'] = $search; // Make it sticky
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$sort = optional_param('sort', $SESSION->dataprefs[$data->id]['sort'], PARAM_INT);
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$SESSION->dataprefs[$data->id]['sort'] = $sort; // Make it sticky
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$order = (optional_param('order', $SESSION->dataprefs[$data->id]['order'], PARAM_ALPHA) == 'ASC') ? 'ASC': 'DESC';
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$SESSION->dataprefs[$data->id]['order'] = $order; // Make it sticky
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$oldperpage = get_user_preferences('data_perpage_'.$data->id, 10);
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$perpage = optional_param('perpage', $oldperpage, PARAM_INT);
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if ($perpage < 2) {
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$perpage = 2;
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}
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if ($perpage != $oldperpage) {
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set_user_preference('data_perpage_'.$data->id, $perpage);
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}
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$page = optional_param('page', 0, PARAM_INT);
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add_to_log($course->id, 'data', 'view', "view.php?id=$cm->id", $data->id, $cm->id);
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// Initialize $PAGE, compute blocks
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$PAGE = page_create_instance($data->id);
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$pageblocks = blocks_setup($PAGE);
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$blocks_preferred_width = bounded_number(180, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]), 210);
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if (!empty($edit) && $PAGE->user_allowed_editing()) {
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if ($edit == 'on') {
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$USER->editing = true;
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} else if ($edit == 'off') {
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$USER->editing = false;
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}
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}
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/// RSS and CSS meta
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$meta = '';
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if (isset($CFG->enablerssfeeds) && isset($CFG->data_enablerssfeeds) && $data->rssarticles > 0) {
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$rsspath = rss_get_url($course->id, $USER->id, 'data', $data->id);
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$meta .= '<link rel="alternate" type="application/rss+xml" ';
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$meta .= 'title ="'.$course->shortname.': %fullname%" href="'.$rsspath.'" />';
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}
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if ($data->csstemplate) {
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$meta .= '<link rel="stylesheet" type="text/css" href="'.$CFG->wwwroot.'/mod/data/css.php?d='.$data->id.'" /> ';
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}
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/// Print the page header
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$PAGE->print_header($course->shortname.': %fullname%', '', $meta);
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echo '<table id="layout-table"><tr>';
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if (!empty($CFG->showblocksonmodpages) &&
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(blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $PAGE->user_is_editing())) {
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echo '<td style="width: '.$blocks_preferred_width.'px;" id="left-column">';
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blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
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echo '</td>';
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}
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echo '<td id="middle-column">';
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print_heading(format_string($data->name));
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// Do we need to show a link to the RSS feed for the records?
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if (isset($CFG->enablerssfeeds) && isset($CFG->data_enablerssfeeds) && $data->rssarticles > 0) {
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echo '<div style="float:right;">';
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rss_print_link($course->id, $USER->id, 'data', $data->id, get_string('rsstype'));
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echo '</div>';
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echo '<div style="clear:both;"></div>';
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}
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if ($data->intro and empty($sort) and empty($search) and empty($page) and empty($record)) {
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print_simple_box(format_text($data->intro), 'center', '70%', '', 5, 'generalbox', 'intro');
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}
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/// Check to see if groups are being used here
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if ($groupmode = groupmode($course, $cm)) { // Groups are being used
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$currentgroup = setup_and_print_groups($course, $groupmode,
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'view.php?d='.$data->id.'&search='.s($search).'&sort='.s($sort).
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'&order='.s($order).'&');
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} else {
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$currentgroup = 0;
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}
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/// Print the tabs
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if ($record or $mode == 'single') {
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$currenttab = 'single';
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} else {
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$currenttab = 'list';
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}
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include('tabs.php');
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/// Approve any requested records
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if ($approve && confirm_sesskey() && isteacher($course->id)) {
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if ($approverecord = get_record('data_records', 'id', $approve)) { // Need to check this is valid
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if ($approverecord->dataid == $data->id) { // Must be from this database
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$newrecord->id = $approverecord->id;
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$newrecord->approved = 1;
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if (update_record('data_records', $newrecord)) {
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notify(get_string('recordapproved','data'), 'notifysuccess');
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}
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}
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}
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}
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/// Delete any requested records
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if ($delete && confirm_sesskey() && (isteacher($course->id) or data_isowner($delete))) {
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if ($confirm = optional_param('confirm',0,PARAM_INT)) {
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if ($deleterecord = get_record('data_records', 'id', $delete)) { // Need to check this is valid
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if ($deleterecord->dataid == $data->id) { // Must be from this database
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if ($contents = get_records('data_content','recordid', $deleterecord->id)) {
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foreach ($contents as $content) { // Delete files or whatever else this field allows
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if ($field = data_get_field_from_id($content->fieldid, $data)) { // Might not be there
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$field->delete_content($content->recordid);
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}
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}
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}
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delete_records('data_content','recordid', $deleterecord->id);
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delete_records('data_records','id', $deleterecord->id);
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add_to_log($course->id, 'data', 'record delete', "view.php?id=$cm->id", $data->id, $cm->id);
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notify(get_string('recorddeleted','data'), 'notifysuccess');
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}
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}
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} else { // Print a confirmation page
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notice_yesno(get_string('confirmdeleterecord','data'),
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'view.php?d='.$data->id.'&delete='.$delete.'&confirm=1&sesskey='.sesskey(),
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'view.php?d='.$data->id);
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print_footer($course);
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exit;
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}
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}
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// If not teacher, check whether user has sufficient records to view
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if (!isteacher($course->id) and data_numentries($data) < $data->requiredentriestoview){
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notify (($data->requiredentriestoview - data_numentries($data)).' '.get_string('insufficiententries','data'));
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echo '</td></tr></table>';
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print_footer($course);
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exit;
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}
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/// We need to examine the whole dataset to produce the correct paging
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if ((!isteacher($course->id)) && ($data->approval)) {
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if (isloggedin()) {
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$approveselect = ' AND (r.approved=1 OR r.userid='.$USER->id.') ';
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} else {
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$approveselect = ' AND r.approved=1 ';
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}
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} else {
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$approveselect = ' ';
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}
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if ($currentgroup) {
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$groupselect = " AND (r.groupid = '$currentgroup' OR r.groupid = 0)";
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} else {
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$groupselect = ' ';
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}
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/// Find the field we are sorting on
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if ($sort) {
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$sortfield = data_get_field_from_id($sort, $data);
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$sortcontent = $sortfield->get_sort_field();
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$what = ' DISTINCT r.id, r.approved ';
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$count = ' COUNT(DISTINCT c.recordid) ';
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$tables = $CFG->prefix.'data_content c,'.$CFG->prefix.'data_records r,'.$CFG->prefix.'data_content c1 ';
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$where = 'WHERE c.recordid = r.id
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AND c.fieldid = '.$sort.'
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AND r.dataid = '.$data->id.'
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AND c1.recordid = r.id ';
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$sortorder = ' ORDER BY c.'.$sortcontent.' '.$order.' ';
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} else if ($search) {
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$what = ' DISTINCT r.id, r.approved ';
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$count = ' COUNT(DISTINCT c.recordid) ';
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$tables = $CFG->prefix.'data_content c,'.$CFG->prefix.'data_records r ';
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$where = 'WHERE c.recordid = r.id
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AND r.dataid = '.$data->id;
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$sortorder = ' ORDER BY r.id ';
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} else {
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$what = ' DISTINCT r.id, r.approved ';
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$count = ' COUNT(r.id) ';
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$tables = $CFG->prefix.'data_records r ';
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$where = 'WHERE r.dataid = '.$data->id;
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$sortorder = ' ORDER BY r.id ';
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}
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/// Restrict by a search if we have one
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if ($search) {
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$searchselect = ' AND (c.content LIKE "%'.$search.'%") ';
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} else {
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$searchselect = ' ';
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}
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/// To actually fetch the records
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$fromsql = ' FROM '.$tables.$where.$groupselect.$approveselect.$searchselect;
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$sqlselect = 'SELECT '.$what.$fromsql.$sortorder;
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$sqlcount = 'SELECT '.$count.$fromsql; // Total number of records
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/// Work out the paging numbers
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$totalcount = count_records_sql($sqlcount);
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if ($record) { // We need to just show one, so where is it in context?
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$nowperpage = 1;
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$mode = 'single';
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if ($sort) { // We need to search by that field
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if ($content = get_field('data_content', 'content', 'recordid', $record->id, 'fieldid', $sort)) {
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$content = addslashes($content);
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if ($order == 'ASC') {
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$lessthan = " AND c.$sortcontent < '$content' ";
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} else {
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$lessthan = " AND c.$sortcontent > '$content' ";
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}
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} else { // Failed to find data (shouldn't happen), so fall back to something easy
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$lessthan = " r.id < '$record->id' ";
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}
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} else {
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$lessthan = " r.id < '$record->id' ";
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}
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$sqlindex = 'SELECT COUNT(DISTINCT c.recordid) '.$fromsql.$lessthan.$sortorder;
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$page = count_records_sql($sqlindex);
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} else if ($mode == 'single') { // We rely on ambient $page settings
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$nowperpage = 1;
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} else {
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$nowperpage = $perpage;
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}
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/// Get the actual records
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$limit = sql_paging_limit($page * $nowperpage, $nowperpage);
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$records = get_records_sql($sqlselect.$limit);
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if (empty($records)) { // Nothing to show!
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if ($search){
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notify(get_string('nomatch','data'));
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} else {
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notify(get_string('norecords','data'));
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}
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} else { // We have some records to print
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if ($mode == 'single') { // Single template
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$baseurl = 'view.php?d='.$data->id.'&mode=single&';
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print_paging_bar($totalcount, $page, $nowperpage, $baseurl, $pagevar='page');
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if (empty($data->singletemplate)){
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notify(get_string('nosingletemplate','data'));
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}
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data_print_template('singletemplate', $records, $data, $search, $page);
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print_paging_bar($totalcount, $page, $nowperpage, $baseurl, $pagevar='page');
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} else { // List template
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$baseurl = 'view.php?d='.$data->id.'&';
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print_paging_bar($totalcount, $page, $nowperpage, $baseurl, $pagevar='page');
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if (empty($data->listtemplate)){
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notify(get_string('nolisttemplate','data'));
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}
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echo $data->listtemplateheader;
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data_print_template('listtemplate', $records, $data, $search, $page);
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echo $data->listtemplatefooter;
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print_paging_bar($totalcount, $page, $nowperpage, $baseurl, $pagevar='page');
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}
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}
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data_print_preference_form($data, $perpage, $search, $sort, $order);
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print_footer($course);
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?>
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