moodle/tag/edit.php

146 lines
4.4 KiB
PHP

<?php // $Id$
require_once('../config.php');
require_once('lib.php');
require_once('edit_form.php');
require_js(array('yui_dom-event', 'yui_connection', 'yui_animation', 'yui_autocomplete'));
require_login();
if (empty($CFG->usetags)) {
print_error('tagsaredisabled', 'tag');
}
$tag_id = optional_param('id', 0, PARAM_INT);
$tag_name = optional_param('tag', '', PARAM_TAG);
if ($tag_name) {
$tag = tag_get('name', $tag_name, '*');
} else if ($tag_id) {
$tag = tag_get('id', $tag_id, '*');
}
if (empty($tag)) {
redirect($CFG->wwwroot.'/tag/search.php');
}
$tagname = tag_display_name($tag);
//Editing a tag requires moodle/tag:edit capability
$systemcontext = get_context_instance(CONTEXT_SYSTEM);
require_capability('moodle/tag:edit', $systemcontext);
// set the relatedtags field of the $tag object that will be passed to the form
$tag->relatedtags = tag_get_related_tags_csv(tag_get_related_tags($tag->id, TAG_RELATED_MANUAL), TAG_RETURN_TEXT);
if (can_use_html_editor()) {
$options = new object();
$options->smiley = false;
$options->filter = false;
// convert and remove any XSS
$tag->description = format_text($tag->description, $tag->descriptionformat, $options);
$tag->descriptionformat = FORMAT_HTML;
}
$errorstring = '';
$tagform = new tag_edit_form();
if ( $tag->tagtype == 'official' ) {
$tag->tagtype = '1';
} else {
$tag->tagtype = '0';
}
$tagform->set_data($tag);
// If new data has been sent, update the tag record
if ($tagnew = $tagform->get_data()) {
tag_description_set($tag_id, $tagnew->description, $tagnew->descriptionformat);
if (has_capability('moodle/tag:manage', $systemcontext)) {
if (($tag->tagtype != 'default') && (!isset($tagnew->tagtype) || ($tagnew->tagtype != '1'))) {
tag_type_set($tag->id, 'default');
} elseif (($tag->tagtype != 'official') && ($tagnew->tagtype == '1')) {
tag_type_set($tag->id, 'official');
}
}
if (!has_capability('moodle/tag:manage', $systemcontext) && !has_capability('moodle/tag:edit', $systemcontext)) {
unset($tagnew->name);
unset($tagnew->rawname);
} else { // They might be trying to change the rawname, make sure it's a change that doesn't affect name
$tagnew->name = array_shift(tag_normalize($tagnew->rawname, TAG_CASE_LOWER));
if ($tag->name != $tagnew->name) { // The name has changed, let's make sure it's not another existing tag
if (tag_get_id($tagnew->name)) { // Something exists already, so flag an error
$errorstring = s($tagnew->rawname).': '.get_string('namesalreadybeeingused', 'tag');
}
}
}
if (empty($errorstring)) { // All is OK, let's save it
$tagnew->timemodified = time();
if (has_capability('moodle/tag:manage', $systemcontext)) {
// rename tag
if(!tag_rename($tag->id, $tagnew->rawname)) {
print_error('errorupdatingrecord', 'tag');
}
}
//updated related tags
tag_set('tag', $tagnew->id, explode(',', trim($tagnew->relatedtags)));
//print_object($tagnew); die();
redirect($CFG->wwwroot.'/tag/index.php?tag='.rawurlencode($tag->name)); // must use $tag here, as the name isn't in the edit form
}
}
$navlinks = array();
$navlinks[] = array('name' => get_string('tags', 'tag'), 'link' => "{$CFG->wwwroot}/tag/search.php", 'type' => '');
$navlinks[] = array('name' => $tagname, 'link' => '', 'type' => '');
$navigation = build_navigation($navlinks);
print_header_simple(get_string('tag', 'tag') . ' - '. $tagname, '', $navigation);
print_heading($tagname, '', 2);
if (!empty($errorstring)) {
notify($errorstring);
}
$tagform->display();
if (ajaxenabled()) {
?>
<script type="text/javascript">
// An XHR DataSource
var myServer = "./tag_autocomplete.php";
var myDataSource = new YAHOO.widget.DS_XHR(myServer, ["\n", "\t"]);
myDataSource.responseType = YAHOO.widget.DS_XHR.TYPE_FLAT;
myDataSource.maxCacheEntries = 60;
myDataSource.queryMatchSubset = true;
var myAutoComp = new YAHOO.widget.AutoComplete("id_relatedtags","relatedtags-autocomplete", myDataSource);
myAutoComp.delimChar = ",";
myAutoComp.maxResultsDisplayed = 20;
myAutoComp.minQueryLength = 2;
myAutoComp.allowBrowserAutocomplete = false;
myAutoComp.formatResult = function(aResultItem, sQuery) {
return aResultItem[1];
}
</script>
<?php
}
print_footer();
?>