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/* Preset Menu
*
* This is the page that is the menu item in the config database
* pages.
*/
require_once('../../config.php');
require_once('lib.php');
require_once($CFG->libdir.'/uploadlib.php');
require_once($CFG->libdir.'/xmlize.php');
$id = optional_param('id', 0, PARAM_INT); // course module id
$d = optional_param('d', 0, PARAM_INT); // database activity id
$action = optional_param('action', 'base', PARAM_RAW); // current action
$file = optional_param('file', false, PARAM_PATH); // path of file to upload
if ($id) {
if (! $cm = get_record('course_modules', 'id', $id)) {
error('Course Module ID Incorrect');
}
if (! $course = get_record('course', 'id', $cm->course)) {
error('Course is misconfigured');
}
if (! $data = get_record('data', 'id', $cm->instance)) {
error('Module Incorrect');
}
} else if ($d) {
if (! $data = get_record('data', 'id', $d)) {
error('Database ID Incorrect');
}
if (! $course = get_record('course', 'id', $data->course)) {
error('Course is misconfigured');
}
if (! $cm = get_coursemodule_from_instance('data', $data->id, $course->id)) {
error('Course Module ID was incorrect');
}
} else {
error('Parameter missing');
}
require_login($course->id);
require_capability('mod/data:managetemplates', get_context_instance(CONTEXT_MODULE, $cm->id));
/* get the list of standard presets found in /mod/data/preset */
$presets = array();
if ($presetdir = opendir($CFG->dirroot.'/mod/data/preset')) {
while ($userdir = readdir($presetdir)) {
$fulluserdir = '/mod/data/preset/'.$userdir;
if ($userdir == '.' || $userdir == '..') {
continue;
}
/* Global Standard Presets */
if (is_directory_a_preset($CFG->dirroot.$fulluserdir)) {
$preset = new StdClass;
$preset->path = $fulluserdir;
$preset->name = $userdir;
if (file_exists($fulluserdir.'/screenshot.jpg')) {
$preset->screenshot = $CFG->wwwroot.'/mod/data/preset/'.$userdir.'/screenshot.jpg';
}
$presets[] = $preset;
unset($preset);
}
/* User made presets stored in user folders */
else if (get_record('user', 'id', $userdir)) {
$userdirh = opendir($CFG->dirroot.$fulluserdir);
while ($userpresetdir = readdir($userdirh)) {
$fulluserpresetdir = $fulluserdir.'/'.$userpresetdir;
if ($userpresetdir != '.' && $userpresetdir != '..' && is_directory_a_preset($CFG->dirroot.$fulluserpresetdir)) {
$preset = new StdClass;
$preset->path = $fulluserpresetdir;
$preset->name = $userpresetdir;
$preset->user = $userdir;
if (file_exists($fulluserpresetdir.'/screenshot.jpg')) {
$preset->screenshot = $CFG->wwwroot.'/mod/data/preset/'.$userdir.'/'.$userpresetdir.'/screenshot.jpg';
}
$presets[] = $preset;
unset($preset);
}
}
}
}
closedir($presetdir);
}
/* Need sesskey security check here for import instruction */
$sesskey = sesskey();
/********************************************************************/
/* Output */
data_presets_print_header($course, $cm, $data);
echo "<center>";
switch ($action) {
/* Main selection menu - default mode also. */
default:
case 'base':
$strimport = get_string('import');
$strfromfile = get_string('fromfile', 'data');
$strchooseorupload = get_string('chooseorupload', 'data');
$strok = get_string('ok');
$strusestandard = get_string('usestandard', 'data');
$strchoose = get_string('choose');
$strexport = get_string('export', 'data');
$strexportaszip = get_string('exportaszip', 'data');
$strsaveaspreset = get_string('saveaspreset', 'data');
$strdelete = get_string('delete');
echo "<table cellpadding=7>";
echo "<tr><td><h3>$strimport</h3></td>";
echo "<td><form name='form' method='POST' action='?d=$data->id&action=importzip&sesskey=$sesskey' enctype='multipart/form-data'>";
helpbutton('importfromfile', '', 'data');
echo " $strfromfile:</td><td><input name=\"file\" size=\"20\" value=\"\" alt=\"file\" type=\"text\"><input name=\"coursefiles\" title=\"Choose or upload a file\" value=\"$strchooseorupload\" onclick=\"return openpopup('/files/index.php?id=2&choose=form.file', 'coursefiles', 'menubar=0,location=0,scrollbars,resizable,width=750,height=500', 0);\" type=\"button\">";
echo "<input type=\"submit\" value=\"$strok\"/>";
echo "</form></td></tr>";
echo "<tr valign=top><td></td><td>";
helpbutton('usepreset', '', 'data');
echo " $strusestandard: </td><td>";
echo "<table width=100%>";
foreach ($presets as $id => $preset) {
echo "<tr><form action='' method='POST'>";
echo "<input type='hidden' name='file' value=\"$preset->path\">";
echo "<input type='hidden' name='action' value='importpreset'>";
echo "<input type='hidden' name='d' value='$data->id'>";
echo "<input type='hidden' name='sesskey' value='$sesskey'>";
echo "<td>";
if ($preset->screenshot) {
echo "<img src='$preset->screenshot' alt='$preset->screenshot' />";
}
echo "</td><td>$preset->name";
if ($preset->user) {
$user = get_record('user', 'id', $preset->user);
echo " by $user->firstname $user->lastname";
}
echo "</td><td><input type='submit' value='$strchoose'></td></form>";
echo "<td>";
if ($preset->user == $USER->id || isadmin()) {
echo "<form action='' method='POST'>";
echo "<input type='hidden' name='d' value='$data->id' />";
echo "<input type='hidden' name='action' value='confirmdelete' />";
echo "<input type='hidden' name='sesskey' value='$sesskey' />";
echo "<input type='hidden' name='deleteid' value='$id' />";
echo "<input type='hidden' name='deletename' value=\"$preset->name\" />";
echo "<input type='submit' value='$strdelete' /></form>";
}
echo "</td></tr>";
}
echo "</table></td></tr>";
echo "<tr><td valign=top><h3>$strexport</h3></td>";
echo "<td><form action='' method='POST'>";
helpbutton('exportzip', '', 'data');
echo " <input type='hidden' name='action' value='export' />";
echo "<input type='hidden' name='d' value='$data->id' />";
echo "<input type='submit' value='$strexportaszip' />";
echo "</form>";
echo "<form action='' method='POST'>";
helpbutton('savepreset', '', 'data');
echo " <input type='hidden' name='action' value='save1' />";
echo "<input type='hidden' name='d' value='$data->id' />";
echo "<input type='hidden' name='sesskey' value='$sesskey' />";
echo "<input type='submit' value='$strsaveaspreset' />";
echo "</form>";
echo "</table>";
break;
/***************** Deleting *****************/
case 'confirmdelete' :
if (!confirm_sesskey()) {
error("Sesskey Invalid");
}
$deletename = required_param('deletename', PARAM_RAW);
$deleteid = required_param('deleteid', PARAM_INT);
$strwarning = get_string('deletewarning', 'data');
$strdelete = get_string('delete');
notify($strwarning);
echo "<form action='' method='POST'>";
echo "<input type='hidden' name='d' value='$data->id' />";
echo "<input type='hidden' name='action' value='delete' />";
echo "<input type='hidden' name='sesskey' value='$sesskey' />";
echo "<input type='hidden' name='deleteid' value='$deleteid' />";
echo "<input type='hidden' name='deletename' value=\"$deletename\" />";
echo "<input type='submit' value='$strdelete' /></form>";
break;
case 'delete' :
if (!confirm_sesskey()) {
error('Sesskey Invalid');
}
$deletename = required_param('deletename', PARAM_RAW);
$deleteid = required_param('deleteid', PARAM_INT);
if (!empty($presets[$deleteid])) {
if ($presets[$deleteid]->name == $deletename) {
if (!clean_preset($CFG->dirroot.$presets[$deleteid]->path)) error("Error deleting");
}
rmdir($CFG->dirroot.$presets[$deleteid]->path);
}
else {
error('Invalid delete');
}
$strdelete = get_string('deleted', 'data');
notify("$deletename $strdeleted");
break;
/***************** Importing *****************/
case 'importpreset' :
if (!confirm_sesskey()) {
error("Sesskey Invalid");
}
$pimporter = new PresetImporter($course, $cm, $data, $CFG->dirroot.$file);
$pimporter->import_options();
break;
/* Imports a zip file. */
case 'importzip' :
if (!confirm_sesskey()) {
error("Sesskey Invalid");
}
if (!make_upload_directory('temp/data/'.$USER->id)) {
error("Can't Create Directory");
}
$presetfile = $CFG->dataroot."/temp/data/".$USER->id;
clean_preset($presetfile);
if (!unzip_file($CFG->dataroot."/$course->id/$file",
$presetfile, false))
error("Can't unzip file");
$pimporter = new PresetImporter($course, $cm, $data, $presetfile);
$pimporter->import_options();
break;
case 'finishimport':
if (!confirm_sesskey()) {
error('Sesskey Invalid');
}
$pimporter = new PresetImporter($course, $cm, $data, $file);
$pimporter->import();
$strimportsuccess = get_string('importsuccess', 'data');
$straddentries = get_string('addentries', 'data');
$strtodatabase = get_string('todatabase', 'data');
if (!get_records('data_records', 'dataid', $data->id)) {
notify("$strimportsuccess <a href='edit.php?d=$data->id'>$straddentries</a> $strtodatabase", 'notifysuccess');
}
else {
notify("$strimportsuccess", 'notifysuccess');
}
break;
/* Exports as a zip file ready for download. */
case 'export':
$file = data_presets_export($course, $cm, $data);
echo get_string('exportedtozip', 'data')."<br>";
$perminantfile = $CFG->dataroot."/$course->id/moddata/data/$data->id/preset.zip";
@unlink($perminantfile);
/* is this created elsewhere? sometimes its not present... */
make_upload_directory("$course->id/moddata/data/$data->id");
/* now just move the zip into this folder to allow a nice download */
if (!rename($file, $perminantfile)) error("Can't move zip");
echo "<a href='$CFG->wwwroot/file.php/$course->id/moddata/data/$data->id/preset.zip'>".get_string('download', 'data')."</a>";
break;
/***************** Exporting *****************/
case 'save1':
if (!confirm_sesskey()) {
error("Sesskey Invalid");
}
$strcontinue = get_string('continue');
$strwarning = get_string('presetwarning', 'data');
echo "<div align=center>";
echo "<p>$strwarning</p>";
echo "<form action='' method='POST'>";
echo "Name: <input type='textbox' name='name' value=\"$data->name\" />";
echo "<input type='hidden' name='action' value='save2' />";
echo "<input type='hidden' name='d' value='$data->id' />";
echo "<input type='hidden' name='sesskey' value='$sesskey' />";
echo "<input type='submit' value='$strcontinue' /></form></div>";
break;
case 'save2':
if (!confirm_sesskey()) {
error("Sesskey Invalid");
}
$strcontinue = get_string('continue');
$stroverwrite = get_string('overwrite');
$name = optional_param('name', $data->name, PARAM_FILE);
if (is_directory_a_preset("$CFG->dirroot/mod/data/preset/$USER->id/$name")) {
notify("Preset already exists: Pick another name or overwrite");
echo "<div align=center>";
echo "<form action='' method='POST'>";
echo "New name: <input type='textbox' name='name' value=\"$name\" />";
echo "<input type='hidden' name='action' value='save2' />";
echo "<input type='hidden' name='d' value='$data->id' />";
echo "<input type='hidden' name='sesskey' value='$sesskey' />";
echo "<input type='submit' value='$strcontinue' /></form>";
echo "<form action='' method='POST'>";
echo "<input type='hidden' name='name' value=\"$name\" />";
echo "<input type='hidden' name='action' value='save3' />";
echo "<input type='hidden' name='d' value='$data->id' />";
echo "<input type='hidden' name='sesskey' value='$sesskey' />";
echo "<input type='submit' value='$stroverwrite' /></form>";
echo "</div>";
break;
}
case 'save3':
if (!confirm_sesskey()) {
error("Sesskey Invalid");
}
$name = optional_param('name', $data->name, PARAM_FILE);
$presetdirectory = "$CFG->dirroot/mod/data/preset/$USER->id/$name";
if (!is_dir($presetdirectory)) {
@mkdir("$CFG->dirroot/mod/data/preset/$USER->id");
mkdir($presetdirectory);
}
else {
clean_preset($presetdirectory);
}
$file = data_presets_export($course, $cm, $data);
if (!unzip_file($file, $presetdirectory, false)) error("Can't unzip to the preset directory");
notify(get_string('savesuccess', 'data'), 'notifysuccess');
break;
}
echo "</center>";
print_footer($course);
function is_directory_a_preset($directory) {
$directory = rtrim($directory, '/\\') . '/';
if (file_exists($directory.'singletemplate.html') &&
file_exists($directory.'listtemplate.html') &&
file_exists($directory.'listtemplateheader.html') &&
file_exists($directory.'listtemplatefooter.html') &&
file_exists($directory.'addtemplate.html') &&
file_exists($directory.'rsstemplate.html') &&
file_exists($directory.'rsstitletemplate.html') &&
file_exists($directory.'csstemplate.css') &&
file_exists($directory.'jstemplate.js') &&
file_exists($directory.'preset.xml')) return true;
else return false;
}
function data_presets_print_header($course, $cm, $data, $showtabs=true) {
global $CFG, $displaynoticegood, $displaynoticebad;
$strdata = get_string('modulenameplural','data');
print_header_simple($data->name, '', "<a href='index.php?id=$course->id'>$strdata</a> -> $data->name",
'', '', true, '', navmenu($course, $cm));
print_heading(format_string($data->name));
/// Print the tabs
if ($showtabs) {
$currenttab = 'presets';
include_once('tabs.php');
}
/// Print any notices
if (!empty($displaynoticegood)) {
notify($displaynoticegood, 'notifysuccess'); // good (usually green)
} else if (!empty($displaynoticebad)) {
notify($displaynoticebad); // bad (usuually red)
}
}
function clean_preset($folder) {
if (unlink($folder.'/singletemplate.html') &&
unlink($folder.'/listtemplate.html') &&
unlink($folder.'/listtemplateheader.html') &&
unlink($folder.'/listtemplatefooter.html') &&
unlink($folder.'/addtemplate.html') &&
unlink($folder.'/rsstemplate.html') &&
unlink($folder.'/rsstitletemplate.html') &&
unlink($folder.'/csstemplate.css') &&
unlink($folder.'/jstemplate.js') &&
unlink($folder.'/preset.xml')) return true;
else return false;
}
function data_presets_export($course, $cm, $data) {
global $CFG;
/* Info Collected. Now need to make files in moodledata/temp */
$tempfolder = $CFG->dataroot.'/temp';
$singletemplate = fopen($tempfolder.'/singletemplate.html', 'w');
$listtemplate = fopen($tempfolder.'/listtemplate.html', 'w');
$listtemplateheader = fopen($tempfolder.'/listtemplateheader.html', 'w');
$listtemplatefooter = fopen($tempfolder.'/listtemplatefooter.html', 'w');
$addtemplate = fopen($tempfolder.'/addtemplate.html', 'w');
$rsstemplate = fopen($tempfolder.'/rsstemplate.html', 'w');
$rsstitletemplate = fopen($tempfolder.'/rsstitletemplate.html', 'w');
$csstemplate = fopen($tempfolder.'/csstemplate.css', 'w');
$jstemplate = fopen($tempfolder.'/jstemplate.js', 'w');
fwrite($singletemplate, $data->singletemplate);
fwrite($listtemplate, $data->listtemplate);
fwrite($listtemplateheader, $data->listtemplateheader);
fwrite($listtemplatefooter, $data->listtemplatefooter);
fwrite($addtemplate, $data->addtemplate);
fwrite($rsstemplate, $data->rsstemplate);
fwrite($rsstitletemplate, $data->rsstitletemplate);
fwrite($csstemplate, $data->csstemplate);
fwrite($jstemplate, $data->jstemplate);
fclose($singletemplate);
fclose($listtemplate);
fclose($listtemplateheader);
fclose($listtemplatefooter);
fclose($addtemplate);
fclose($rsstemplate);
fclose($rsstitletemplate);
fclose($csstemplate);
fclose($jstemplate);
/* All the display data is now done. Now assemble preset.xml */
$fields = get_records('data_fields', 'dataid', $data->id);
$presetfile = fopen($tempfolder.'/preset.xml', 'w');
$presetxml = "<preset>\n\n";
/* Database settings first. Name not included? */
$settingssaved = array('intro', 'comments', 'ratings', 'participants',
'requiredentries', 'requiredentriestoview', 'maxentries',
'rssarticles', 'approval', 'scale', 'assessed', 'assessedpublic',
'defaultsort', 'defaultsortdir', 'editany');
$presetxml .= "<settings>\n";
foreach ($settingssaved as $setting) {
$presetxml .= "<$setting>{$data->$setting}</$setting>\n";
}
$presetxml .= "</settings>\n\n";
/* Now for the fields. Grabs all settings that are non-empty */
if (!empty($fields)) {
foreach ($fields as $field) {
$presetxml .= "<field>\n";
foreach ($field as $key => $value) {
if ($value != '' && $key != 'id' && $key != 'dataid') {
$presetxml .= "<$key>$value</$key>\n";
}
}
$presetxml .= "</field>\n\n";
}
}
$presetxml .= "</preset>";
fwrite($presetfile, $presetxml);
fclose($presetfile);
/* Check all is well */
if (!is_directory_a_preset($tempfolder)) {
error("Not all files generated!");
}
$filelist = array(
"singletemplate.html",
"listtemplate.html",
"listtemplateheader.html",
"listtemplatefooter.html",
"addtemplate.html",
"rsstemplate.html",
"rsstitletemplate.html",
"csstemplate.css",
"jstemplate.js",
"preset.xml");
foreach ($filelist as $key => $file) {
$filelist[$key] = $tempfolder.'/'.$filelist[$key];
}
@unlink($tempfolder.'/export.zip');
$status = zip_files($filelist, $tempfolder.'/export.zip');
/* made the zip... now return the filename for storage.*/
return $tempfolder.'/export.zip';
}
class PresetImporter {
function PresetImporter($course, $cm, $data, $folder) {
global $CFG;
$this->course = $course;
$this->cm = $cm;
$this->data = $data;
$this->folder = $folder;
$this->postfolder = $folder;
}
function get_settings() {
global $CFG;
if (!is_directory_a_preset($this->folder)) {
error("$this->folder Not a preset");
}
/* Grab XML */
$presetxml = file_get_contents($this->folder.'/preset.xml');
$parsedxml = xmlize($presetxml);
/* First, do settings. Put in user friendly array. */
$settingsarray = $parsedxml['preset']['#']['settings'][0]['#'];
$settings = new StdClass();
foreach ($settingsarray as $setting => $value) {
$settings->$setting = $value[0]['#'];
}
/* Now work out fields to user friendly array */
$fieldsarray = $parsedxml['preset']['#']['field'];
$fields = array();
foreach ($fieldsarray as $field) {
$f = new StdClass();
foreach ($field['#'] as $param => $value) {
$f->$param = $value[0]['#'];
}
$f->dataid = $this->data->id;
$fields[] = $f;
}
/* Now add the HTML templates to the settings array so we can update d */
$settings->singletemplate = file_get_contents($this->folder."/singletemplate.html");
$settings->listtemplate = file_get_contents($this->folder."/listtemplate.html");
$settings->listtemplateheader = file_get_contents($this->folder."/listtemplateheader.html");
$settings->listtemplatefooter = file_get_contents($this->folder."/listtemplatefooter.html");
$settings->addtemplate = file_get_contents($this->folder."/addtemplate.html");
$settings->rsstemplate = file_get_contents($this->folder."/rsstemplate.html");
$settings->rsstitletemplate = file_get_contents($this->folder."/rsstitletemplate.html");
$settings->csstemplate = file_get_contents($this->folder."/csstemplate.css");
$settings->jstemplate = file_get_contents($this->folder."/jstemplate.js");
$settings->instance = $this->data->id;
/* Now we look at the current structure (if any) to work out whether we need to clear db
or save the data */
$currentfields = array();
$currentfields = get_records('data_fields', 'dataid', $this->data->id);
return array($settings, $fields, $currentfields);
}
function import_options() {
if (!confirm_sesskey()) {
error("Sesskey Invalid");
}
$strblank = get_string('blank', 'data');
$strnofields = get_string('nofields', 'data');
$strcontinue = get_string("continue");
$sesskey = sesskey();
$strwarning = get_string('mappingwarning', 'data');
$strfieldmappings = get_string('fieldmappings', 'data');
$strnew = get_string("new");
$strold = get_string("old");
list($settings, $newfields, $currentfields) = $this->get_settings();
echo "<div align='center'><form action='' method='POST'>";
echo "<input type='hidden' name='sesskey' value='$sesskey' />";
echo "<input type='hidden' name='d' value='{$this->data->id}' />";
echo "<input type='hidden' name='action' value='finishimport' />";
echo "<input type='hidden' name='file' value=\"$this->postfolder\" />";
if ($currentfields != array() && $newfields != array()) {
echo "<h3>$strfieldmappings ";
echo helpbutton('fieldmappings', '', 'data');
echo "</h3><table>";
foreach ($newfields as $nid => $newfield) {
echo "<tr><td>$newfield->name </td>";
echo "<td><select name='field_$nid'>";
foreach ($currentfields as $cid => $currentfield) {
if ($currentfield->type == $newfield->type) {
if ($currentfield->name == $newfield->name) {
echo "<option value='$cid' selected='true'>$currentfield->name</option>";
$selected=true;
}
else {
echo "<option value='$cid'>$currentfield->name</option>";
}
}
}
if ($selected)
echo "<option value='-1'>-</option>";
else
echo "<option value='-1' selected='true'>-</option>";
echo "</select></td></tr>";
}
echo "</table>";
echo "<p>$strwarning</p>";
}
else if ($newfields == array()) {
error("New preset has no defined fields!");
}
echo "<input type='submit' value='$strcontinue' /></form></div>";
}
function import() {
global $CFG;
list($settings, $newfields, $currentfields) = $this->get_settings();
$preservedfields = array();
/* Maps fields and makes new ones */
if ($newfields != array()) {
/* We require an injective mapping, and need to know what to protect */
foreach ($newfields as $nid => $newfield) {
$cid = optional_param("field_$nid", -1, PARAM_INT);
if ($cid == -1) continue;
if (array_key_exists($cid, $preservedfields)) error("Not an injective map");
else $preservedfields[$cid] = true;
}
foreach ($newfields as $nid => $newfield) {
$cid = optional_param("field_$nid", -1, PARAM_INT);
/* A mapping. Just need to change field params. Data kept. */
if ($cid != -1) {
$fieldobject = data_get_field_from_id($currentfields[$cid]->id, $this->data);
foreach ($newfield as $param => $value) {
if ($param != "id") {
$fieldobject->field->$param = $value;
}
}
unset($fieldobject->field->similarfield);
$fieldobject->update_field();
unset($fieldobject);
}
/* Make a new field */
else {
include_once("field/$newfield->type/field.class.php");
$classname = 'data_field_'.$newfield->type;
$fieldclass = new $classname($newfield, $this->data);
$fieldclass->insert_field();
unset($fieldclass);
}
}
}
/* Get rid of all old unused data */
if ($preservedfields != array()) {
foreach ($currentfields as $cid => $currentfield) {
if (!array_key_exists($cid, $preservedfields)) {
/* Data not used anymore so wipe! */
print "Deleting field $currentfield->name<br>";
$id = $currentfield->id;
if ($content = get_records('data_content', 'fieldid', $id)) {
foreach ($content as $item) {
delete_records('data_ratings', 'recordid', $item->recordid);
delete_records('data_comments', 'recordid', $item->recordid);
delete_records('data_records', 'id', $item->recordid);
}
}
delete_records('data_content', 'fieldid', $id);
delete_records('data_fields', 'id', $id);
}
}
}
data_update_instance(addslashes_object($settings));
if (strstr($this->folder, "/temp/")) clean_preset($this->folder); /* Removes the temporary files */
return true;
}
}
?>
335 lines
14 KiB
PHP
Executable File
335 lines
14 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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$id = optional_param('id', 0, PARAM_INT); // course module id
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$d = optional_param('d', 0, PARAM_INT); // database id
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$fid = optional_param('fid', 0 , PARAM_INT); // update field id
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$newtype = optional_param('newtype','',PARAM_ALPHA); // type of the new field
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$mode = optional_param('mode','',PARAM_ALPHA);
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$defaultsort = optional_param('defaultsort', 0, PARAM_INT);
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$defaultsortdir = optional_param('defaultsortdir', 0, PARAM_INT);
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$cancel = optional_param('cancel', '');
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if ($cancel) {
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$mode = 'list';
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}
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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, $course->id)) {
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error('Course Module ID was incorrect');
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}
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}
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require_course_login($course, true, $cm);
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$context = get_context_instance(CONTEXT_MODULE, $cm->id);
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require_capability('mod/data:managetemplates', $context);
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/************************************
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* Data Processing *
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***********************************/
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switch ($mode) {
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case 'add': ///add a new field
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if (confirm_sesskey() and $fieldinput = data_submitted($CFG->wwwroot.'/mod/data/field.php')){
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//$fieldinput->name = data_clean_field_name($fieldinput->name);
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/// Only store this new field if it doesn't already exist.
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if (($fieldinput->name == '') or data_fieldname_exists($fieldinput->name, $data->id)) {
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$displaynoticebad = get_string('invalidfieldname','data');
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} else {
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/// Check for arrays and convert to a comma-delimited string
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data_convert_arrays_to_strings($fieldinput);
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/// Create a field object to collect and store the data safely
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$type = required_param('type', PARAM_FILE);
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$field = data_get_field_new($type, $data);
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$field->define_field($fieldinput);
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$field->insert_field();
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/// Update some templates
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data_append_new_field_to_templates($data, $field->field->name);
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add_to_log($course->id, 'data', 'fields add',
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"field.php?d=$data->id&mode=display&fid=$fid", $fid, $cm->id);
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$displaynoticegood = get_string('fieldadded','data');
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}
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}
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break;
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case 'update': ///update a field
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if (confirm_sesskey() and $fieldinput = data_submitted($CFG->wwwroot.'/mod/data/field.php')){
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//$fieldinput->name = data_clean_field_name($fieldinput->name);
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if (($fieldinput->name == '') or data_fieldname_exists($fieldinput->name, $data->id, $fieldinput->fid)) {
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$displaynoticebad = get_string('invalidfieldname','data');
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} else {
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/// Check for arrays and convert to a comma-delimited string
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data_convert_arrays_to_strings($fieldinput);
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/// Create a field object to collect and store the data safely
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$field = data_get_field_from_id($fid, $data);
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$oldfieldname = $field->field->name;
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$field->field->name = $fieldinput->name;
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$field->field->description = $fieldinput->description;
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for ($i=1; $i<=10; $i++) {
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if (isset($fieldinput->{'param'.$i})) {
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$field->field->{'param'.$i} = $fieldinput->{'param'.$i};
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} else {
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$field->field->{'param'.$i} = '';
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}
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}
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$field->update_field();
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/// Update the templates.
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data_replace_field_in_templates($data, $oldfieldname, $field->field->name);
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add_to_log($course->id, 'data', 'fields update',
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"field.php?d=$data->id&mode=display&fid=$fid", $fid, $cm->id);
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$displaynoticegood = get_string('fieldupdated','data');
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}
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}
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break;
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case 'delete': // Delete a field
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if (confirm_sesskey()){
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if ($confirm = optional_param('confirm', 0, PARAM_INT)) {
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// Delete the field completely
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if ($field = data_get_field_from_id($fid, $data)) {
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$field->delete_field();
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// Update the templates.
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data_replace_field_in_templates($data, $field->field->name, '');
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// Update the default sort field
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if ($fid == $data->defaultsort) {
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unset($rec);
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$rec->id = $data->id;
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$rec->defaultsort = 0;
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$rec->defaultsortdir = 0;
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if (!update_record('data', $rec)) {
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error('There was an error updating the database');
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}
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}
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add_to_log($course->id, 'data', 'fields delete',
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"field.php?d=$data->id", $field->field->name, $cm->id);
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$displaynoticegood = get_string('fielddeleted', 'data');
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}
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} else {
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data_fields_print_header($course,$cm,$data, false);
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// Print confirmation message.
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$field = data_get_field_from_id($fid, $data);
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notice_yesno('<strong>'.$field->name().': '.$field->field->name.'</strong><br /><br />'. get_string('confirmdeletefield','data'),
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'field.php?d='.$data->id.'&mode=delete&fid='.$fid.'&sesskey='.sesskey().'&confirm=1',
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'field.php?d='.$data->id);
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print_footer($course);
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exit;
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}
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}
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break;
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case 'sort': // Set the default sort parameters
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if (confirm_sesskey()) {
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$rec->id = $data->id;
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$rec->defaultsort = $defaultsort;
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$rec->defaultsortdir = $defaultsortdir;
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if (update_record('data', $rec)) {
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redirect($CFG->wwwroot.'/mod/data/field.php?d='.$data->id, get_string('changessaved'), 2);
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} else {
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error('There was an error updating the database');
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}
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exit;
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}
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break;
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default:
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break;
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}
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/// Print the browsing interface
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///get the list of possible fields (plugins)
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$directories = get_list_of_plugins('mod/data/field/');
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$menufield = array();
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foreach ($directories as $directory){
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$menufield[$directory] = get_string($directory,'data'); //get from language files
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}
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asort($menufield); //sort in alphabetical order
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if (($mode == 'new') && (!empty($newtype)) && confirm_sesskey()) { /// Adding a new field
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$CFG->pagepath='mod/data/field/'.$newtype;
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data_fields_print_header($course,$cm,$data);
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$field = data_get_field_new($newtype, $data);
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$field->display_edit_field();
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} else if ($mode == 'display' && confirm_sesskey()) { /// Display/edit existing field
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$CFG->pagepath='mod/data/field/'.$newtype;
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data_fields_print_header($course,$cm,$data);
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$field = data_get_field_from_id($fid, $data);
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$field->display_edit_field();
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} else { /// Display the main listing of all fields
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$CFG->pagepath='mod/data/field/'.$newtype;
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data_fields_print_header($course,$cm,$data);
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if (!record_exists('data_fields','dataid',$data->id)) {
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notify(get_string('nofieldindatabase','data')); // nothing in database
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notify(get_string('pleaseaddsome','data', 'preset.php?id='.$cm->id)); // link to presets
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} else { //else print quiz style list of fields
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$table->head = array(get_string('fieldname','data'), get_string('type','data'), get_string('fielddescription', 'data'), get_string('action','data'));
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$table->align = array('left','left','left', 'center');
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$table->wrap = array(false,false,false,false);
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if ($fff = get_records('data_fields','dataid',$data->id,'id')){
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foreach ($fff as $ff) {
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$field = data_get_field($ff, $data);
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$table->data[] = array(
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'<a href="field.php?mode=display&d='.$data->id.
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'&fid='.$field->field->id.'&sesskey='.sesskey().'">'.$field->field->name.'</a>',
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$field->image().' '.get_string($field->type, 'data'),
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shorten_text($field->field->description, 30),
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'<a href="field.php?d='.$data->id.'&mode=display&fid='.$field->field->id.'&sesskey='.sesskey().'">'.
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'<img src="'.$CFG->pixpath.'/t/edit.gif" height="11" width="11" border="0" alt="'.get_string('edit').'" /></a>'.
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' '.
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'<a href="field.php?d='.$data->id.'&mode=delete&fid='.$field->field->id.'&sesskey='.sesskey().'">'.
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'<img src="'.$CFG->pixpath.'/t/delete.gif" height="11" width="11" border="0" alt="'.get_string('delete').'" /></a>'
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);
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}
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}
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print_table($table);
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}
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echo '<div class="fieldadd" align="center">';
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echo get_string('newfield','data').': ';
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popup_form($CFG->wwwroot.'/mod/data/field.php?d='.$data->id.'&mode=new&sesskey='.
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sesskey().'&newtype=', $menufield, 'fieldform', '', 'choose');
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helpbutton('fields', get_string('addafield','data'), 'data');
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echo '</div>';
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echo '<div class="sortdefault" align="center">';
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echo '<form name="sortdefault" action="'.$CFG->wwwroot.'/mod/data/field.php" method="get">';
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echo '<input type="hidden" name="d" value="'.$data->id.'" />';
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echo '<input type="hidden" name="mode" value="sort" />';
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echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
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echo ' '.get_string('defaultsortfield','data').':';
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$fields = get_records('data_fields','dataid',$data->id);
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echo '<select name="defaultsort"><option value="0">'.get_string('dateentered','data').'</option>';
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foreach ($fields as $field) {
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if ($field->id == $data->defaultsort) {
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echo '<option value="'.$field->id.'" selected="selected">'.$field->name.'</option>';
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} else {
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echo '<option value="'.$field->id.'">'.$field->name.'</option>';
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}
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}
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echo '</select>';
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echo ' ';
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$options = array(0 => get_string('ascending', 'data'),
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1 => get_string('descending', 'data'));
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choose_from_menu($options, 'defaultsortdir', $data->defaultsortdir, '');
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echo '<input type="submit" value="'.get_string('go').'" />';
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echo '</form>';
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echo '</div>';
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}
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/// Finish the page
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print_footer($course);
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?>
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