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279 lines
11 KiB
PHP
Executable File
279 lines
11 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($CFG->libdir.'/blocklib.php');
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define('PAGE_DATA_VIEW', 'mod-data-view');
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define('PAGE_DATA', PAGE_DATA_VIEW);
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require_once('pagelib.php');
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require_login();
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page_map_class(PAGE_DATA_VIEW, 'page_data');
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$DEFINEDPAGES = array(PAGE_DATA_VIEW,);
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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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$search = optional_param('search','',PARAM_NOTAGS); //search string
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$page = optional_param('page', 0, PARAM_INT); //offset of the current record
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$rid = optional_param('rid', 0, PARAM_INT); //record id
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$perpagemenu = optional_param('perpage1', 0, PARAM_INT); //value from drop down
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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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} else {
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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, $course->id)) {
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error('Course Module ID was incorrect');
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}
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}
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if (isteacher($course->id)) {
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if (!count_records('data_fields','dataid',$data->id)) { // Brand new database!
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redirect($CFG->wwwroot.'/mod/data/fields.php?d='.$data->id); // Redirect to field entry
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}
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}
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//set user preference if available
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if (isset($_POST['updatepref'])){
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if (!$perpage = $perpagemenu){ //if menu not in use, use the text field
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$perpage = (int)optional_param('perpage',10);
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}
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$perpage = ($perpage <= 0) ? 10 : $perpage ;
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set_user_preference('data_perpage', $perpage);
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}
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$d = $data->id;//set this so tabs can work properly
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add_to_log($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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$USER->editing = false;
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}
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}
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/// Print the page header
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$PAGE->print_header($course->shortname.': %fullname%');
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echo '<table id="layout-table"><tr>';
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if(!empty($CFG->showblocksonmodpages) && (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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/// 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, $groupmode, "view.php?id=$cm->id");
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} else {
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$currentgroup = 0;
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}
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if ($currentgroup) {
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$groupselect = " AND groupid = '$currentgroup'";
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$groupparam = "&groupid=$currentgroup";
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} else {
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$groupselect = "";
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$groupparam = "";
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}
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/// Print the tabs
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$currenttab = 'browse';
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include('tabs.php');
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/// Print the browsing interface
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/***************************
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* code to delete a record *
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***************************/
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if (($delete = optional_param('delete',0,PARAM_INT)) && confirm_sesskey()){
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if (isteacheredit($course) or data_isowner($delete)){
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if ($confirm = optional_param('confirm',0,PARAM_INT)){
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//find all contents in this record?
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if ($contents = get_records('data_content','recordid',$delete)){
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//for each content, delete the file associated
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foreach ($contents as $content){
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$field = get_record('data_fields','id',$content->fieldid);
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if ($g = data_get_field($field)){ //it is possible that the field is deleted by teacher
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$g->delete_data_content_files($data->id, $delete, $content->content);
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}
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}
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delete_records('data_records','id',$delete);
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delete_records('data_content','recordid',$delete);
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notify (get_string('recorddeleted','data'));
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}
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}
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else { //prints annoying confirmation dialogue
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$field = get_record('data_records','id',$delete);
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print_simple_box_start('center', '60%');
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echo '<div align="center">';
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echo '<form action = "view.php?d='.$data->id.'&delete='.$delete.'" method="post">';
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//add sesskey
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echo get_string('confirmdeleterecord','data');
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echo '<p />';
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echo '<input type="hidden" value="'.sesskey().'" name="sesskey">';
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echo '<input type="submit" value="'.get_string('ok').'"> ';
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echo '<input type="hidden" name="confirm" value="1">';
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echo '<input type="button" value="'.get_string('cancel').'" onclick="javascript:history.go(-1);" />';
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echo '</form>';
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echo '</div>';
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print_simple_box_end();
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echo '</td></tr></table>';
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print_footer($course);
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exit;
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}
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}
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}
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//if not editting teacher, check whether user has sufficient records to view
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if (!isteacheredit($course->id) and data_numentries($data) < $data->requiredentriestoview){
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notify (($data->requiredentriestoview - data_numentris(data)).' '.get_string('insufficiententries','data'));
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print_footer($course);
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exit;
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}
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if ($rid){ //set per page to 1, if looking for 1 specific record
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set_user_preference('data_perpage', PERPAGE_SINGLE);
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}
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/*****************************
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* Setting up page variables *
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*****************************/
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$perpage = get_user_preferences('data_perpage', 10); //get default per page
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$baseurl = 'view.php?d='.$data->id.'&search='.$search.'&';
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if ($rid){ //only used for single mode, but rid should not appear in multi view anyway
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$sqlo = 'SELECT COUNT(*) FROM '.$CFG->prefix
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.'data_records WHERE id < '.$rid.' AND dataid='.$data->id;
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$page = count_records_sql($sqlo);
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}
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if ($search){ //if in search mode, only search text fields
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$sql = 'SELECT DISTINCT c.recordid, c.recordid FROM '.$CFG->prefix.'data_content c LEFT JOIN '
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.$CFG->prefix.'data_fields f on c.fieldid = f.id WHERE f.dataid = '
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.$data->id.' AND c.content LIKE "%'.$search.'%" ';
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$sqlcount = 'SELECT COUNT(DISTINCT c.recordid) FROM '.$CFG->prefix
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.'data_content c LEFT JOIN '.$CFG->prefix
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.'data_fields f on c.fieldid = f.id WHERE f.dataid = '
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.$data->id.' AND c.content LIKE "%'.$search.'%" ';
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}
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else { //else get everything
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$sql = 'SELECT * FROM '.$CFG->prefix.'data_records WHERE dataid ='.$data->id.' ORDER BY id ASC ';
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$sqlcount = 'SELECT COUNT(*) FROM '.$CFG->prefix
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.'data_records WHERE dataid ='.$data->id.' ';
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}
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$limit = $perpage > 1 ? sql_paging_limit($page * $perpage, $perpage)
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: $limit = sql_paging_limit($page, PERPAGE_SINGLE);
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$sql = $sql . $limit;
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$totalcount = count_records_sql($sqlcount);
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if (!$records = get_records_sql($sql)){
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if ($search){
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notify(get_string('nomatch','data'));
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}
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else {
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notify(get_string('norecords','data'));
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}
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data_print_preference_form($data, $perpage, $search);
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print_footer($course);
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exit;
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}
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//print header for multi view
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if ($perpage > 1){
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echo $data->listtemplateheader;
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$listmode = 'listtemplate';
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if (empty($data->listtemplate)){
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notify(get_string('nolisttemplate','data'));
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}
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}
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else {
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$listmode = 'singletemplate';
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if (empty($data->singletemplate)){
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notify(get_string('nosingletemplate','data'));
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}
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}
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print_paging_bar($totalcount, $page, $perpage, $baseurl, $pagevar='page');
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//for each record we find, we do a string replacement for tags.
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data_print_template($records, $data, $search, $listmode);
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print_paging_bar($totalcount, $page, $perpage, $baseurl, $pagevar='page');
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if ($perpage > 1){
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echo $data->listtemplatefooter; //print footer
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}
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data_print_preference_form($data, $perpage, $search);
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/// Finish the page
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echo '</td></tr></table>';
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print_footer($course);
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?>
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