--- /dev/null
+<?php
+// $Id$
+
+/**
+ * This object is a representation of a file-based preset for database activities
+ */
+
+class Data_Preset
+{
+
+ /**
+ * Required files in a preset directory
+ * @var array $required_files
+ */
+ var $required_files = array('singletemplate.html',
+ 'listtemplate.html',
+ 'listtemplateheader.html',
+ 'listtemplatefooter.html',
+ 'addtemplate.html',
+ 'rsstemplate.html',
+ 'csstemplate.css',
+ 'jstemplate.js',
+ 'preset.xml');
+
+ /**
+ * The preset's shortname.
+ * TODO document
+ * @var string $shortname
+ */
+ var $shortname;
+
+ /**
+ * A database activity object
+ * @var object $data
+ */
+ var $data;
+
+ /**
+ * Directory mapped to this Preset object.
+ * @var string $directory
+ */
+ var $directory;
+
+ /**
+ * This Preset's singletemplate
+ * @var string $singletemplate
+ */
+ var $singletemplate;
+
+ /**
+ * This Preset's listtemplate
+ * @var string $listtemplate
+ */
+ var $listtemplate;
+
+ /**
+ * This Preset's listtemplateheader
+ * @var string $listtemplateheader
+ */
+ var $listtemplateheader;
+
+ /**
+ * This Preset's listtemplatefooter
+ * @var string $listtemplatefooter
+ */
+ var $listtemplatefooter;
+
+ /**
+ * This Preset's addtemplate
+ * @var string $addtemplate
+ */
+ var $addtemplate;
+
+ /**
+ * This Preset's rsstemplate
+ * @var string $rsstemplate
+ */
+ var $rsstemplate;
+
+ /**
+ * This Preset's csstemplate
+ * @var string $csstemplate
+ */
+ var $csstemplate;
+
+ /**
+ * This Preset's jstemplate
+ * @var string $jstemplate
+ */
+ var $jstemplate;
+
+ /**
+ * This Preset's xml
+ * @var string $xml
+ */
+ var $xml;
+
+ var $user_id;
+
+ /**
+ * Constructor
+ */
+ function Data_Preset($shortname = null, $data_id = null, $directory = null, $user_id = null)
+ {
+ $this->shortname = $shortname;
+ $this->user_id = $user_id;
+
+ if (empty($directory)) {
+ $this->directory = $this->get_path();
+ } else {
+ $this->directory = $directory;
+ }
+
+ if (!empty($data_id)) {
+ if (!$this->data = get_record('data', 'id', $data_id)) {
+ print_error('wrongdataid','data');
+ } else {
+ $this->listtemplate = $this->data->listtemplate;
+ $this->singletemplate = $this->data->singletemplate;
+ $this->listtemplateheader = $this->data->listtemplateheader;
+ $this->listtemplatefooter = $this->data->listtemplatefooter;
+ $this->addtemplate = $this->data->addtemplate;
+ $this->rsstemplate = $this->data->rsstemplate;
+ $this->csstemplate = $this->data->csstemplate;
+ $this->jstemplate = $this->data->jstemplate;
+ }
+ }
+ }
+
+ /*
+ * Returns the best name to show for a preset
+ * If the shortname has spaces in it, replace them with underscores.
+ * Convert the name to lower case.
+ */
+ function best_name($shortname = null) {
+ if (empty($shortname)) {
+ $shortname = $this->shortname;
+ }
+
+ /// We are looking inside the preset itself as a first choice, but also in normal data directory
+ $string = get_string('presetname'.$shortname, 'data', NULL, $this->directory.'/lang/');
+
+ if (substr($string, 0, 1) == '[') {
+ return strtolower(str_replace(' ', '_', $shortname));
+ } else {
+ return $string;
+ }
+ }
+
+ /**
+ * TODO figure out what's going on here with the user id. This method doesn't look quite right to me.
+ */
+ function get_path() {
+ global $USER, $CFG, $COURSE;
+
+ $context = get_context_instance(CONTEXT_COURSE, $COURSE->id);
+
+ if ($this->user_id > 0 && ($this->user_id == $USER->id || has_capability('mod/data:viewalluserpresets', $context))) {
+ return $CFG->dataroot.'/data/preset/'.$this->user_id.'/'.$this->shortname;
+ } else if ($this->user_id == 0) {
+ return $CFG->dirroot.'/mod/data/preset/'.$this->shortname;
+ } else if ($this->user_id < 0) {
+ return $CFG->dataroot.'/temp/data/'.-$this->user_id.'/'.$this->shortname;
+ }
+
+ return 'Does it disturb you that this code will never run?';
+ }
+
+
+ /**
+ * A preset is a directory with a number of required files.
+ * This function verifies that the given directory contains
+ * all these files, thus validating as a preset directory.
+ *
+ * @param string $directory An optional directory to check. Will use this Preset's directory if not provided.
+ * @return mixed True if the directory contains all the files required to qualify as Preset object;
+ * an array of the missing filename is returned otherwise
+ */
+ function has_all_required_files($directory = null)
+ {
+ if (empty($directory)) {
+ $directory = $this->directory;
+ } else {
+ $directory = rtrim($directory, '/\\') . '/';
+ }
+
+ $missing_files = array();
+
+ foreach ($this->required_files as $file) {
+ if(!file_exists($directory . '/' . $file)) {
+ $missing_files[] = $file;
+ }
+ }
+
+ if (!empty($missing_files)) {
+ return $missing_files;
+ }
+
+ return true;
+ }
+
+ /**
+ * Deletes all the files in the directory mapped by this Preset object.
+ *
+ * @return boolean False if an error occured while trying to delete one of the files, true otherwise.
+ */
+ function clean_files()
+ {
+ foreach ($this->required_files as $file) {
+ if (!unlink($this->directory . '/' . $file)) {
+ return $file;
+ }
+ }
+
+ return true;
+ }
+
+ function get_template_files()
+ {
+ $template_files = array();
+
+ foreach ($this->required_files as $file) {
+ if (preg_match('/^([a-z]+template[a-z]?)\.[a-z]{2,4}$/', $file, $matches)) {
+ $template_files[$matches[1]] = $file;
+ }
+ }
+
+ return $template_files;
+ }
+
+ /**
+ * Exports this Preset object as a series of files in the Preset's directory.
+ * @return string The path/name of the resulting zip file if successful.
+ */
+ function export() {
+ global $CFG;
+ $this->directory = $CFG->dataroot.'/temp';
+ // write all templates, but not the xml yet
+
+ $template_files = $this->get_template_files();
+ foreach ($template_files as $var => $file) {
+ $handle = fopen($this->directory . '/' . $file, 'w');
+ fwrite($handle, $this->$var);
+ fclose($handle);
+ }
+
+ /* All the display data is now done. Now assemble preset.xml */
+ $fields = get_records('data_fields', 'dataid', $this->data->id);
+ $presetfile = fopen($this->directory.'/preset.xml', 'w');
+ $presetxml = "<preset>\n\n";
+
+ /* Database settings first. Name not included? */
+ $settingssaved = array('intro',
+ 'comments',
+ 'requiredentries',
+ 'requiredentriestoview',
+ 'maxentries',
+ 'rssarticles',
+ 'approval',
+ 'scale',
+ 'assessed',
+ 'defaultsort',
+ 'defaultsortdir',
+ 'editany');
+
+ $presetxml .= "<settings>\n";
+ foreach ($settingssaved as $setting) {
+ $presetxml .= "<$setting>{$this->data->$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_array($missing_files = $this->has_all_required_files())) {
+ $missing_files = implode(', ', $missing_files);
+ print_error('filesnotgenerated', 'data', null, $missing_files);
+ }
+
+ // Remove export.zip
+ @unlink($this->directory.'/export.zip');
+
+ $filelist = array();
+ foreach ($this->required_files as $file) {
+ $filelist[$file] = $this->directory . '/' . $file;
+ }
+
+ // zip_files is part of moodlelib
+ $status = zip_files($filelist, $this->directory.'/export.zip');
+
+ /* made the zip... now return the filename for storage.*/
+ return $this->directory.'/export.zip';
+ }
+
+
+ /**
+ * Loads the contents of the preset folder to initialise this Preset object.
+ * TODO document
+ */
+ function load_from_file($directory = null) {
+ global $CFG;
+ if (empty($directory) && empty($this->directory)) {
+ $this->directory = $this->get_path();
+ }
+
+ if (is_array($missing_files = $this->has_all_required_files())) {
+ $a = new StdClass();
+ $a->missing_files = implode(', ', $missing_files);
+ $a->directory = $this->directory;
+ print_error('directorynotapreset','data', null, $a);
+ }
+
+ /* Grab XML */
+ $presetxml = file_get_contents($this->directory.'/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;
+ $f->type = clean_param($f->type, PARAM_ALPHA);
+ $fields[] = $f;
+ }
+
+
+ /* Now add the HTML templates to the settings array so we can update d */
+ $template_files = $this->get_template_files();
+
+ foreach ($template_files as $var => $file) {
+ $settings->$var = file_get_contents($this->directory . '/' . $file);
+ }
+
+ $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);
+ $currentfields = array_merge($currentfields);
+ return array($settings, $fields, $currentfields);
+ }
+
+
+ /**
+ * Import options
+ * TODO document
+ * TODO replace all output by a return value
+ */
+ function get_import_html() {
+ if (!confirm_sesskey()) {
+ print_error("confirmsesskeybad");
+ }
+
+ $strblank = get_string('blank', 'data');
+ $strnofields = get_string('nofields', 'data');
+ $strcontinue = get_string('continue');
+ $strwarning = get_string('mappingwarning', 'data');
+ $strfieldmappings = get_string('fieldmappings', 'data');
+ $strnew = get_string('new');
+ $strold = get_string('old');
+
+ $sesskey = sesskey();
+
+ list($settings, $newfields, $currentfields) = $this->load_from_file();
+
+ $html = '';
+
+ $html .= '<div style="text-align:center"><form action="preset.php" method="post">';
+ $html .= '<fieldset class="invisiblefieldset">';
+ $html .= '<input type="hidden" name="action" value="finishimport" />';
+ $html .= '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
+ $html .= '<input type="hidden" name="d" value="'.$this->data->id.'" />';
+ $html .= '<input type="hidden" name="fullname" value="'.$this->user_id.'/'.$this->shortname.'" />';
+
+ if (!empty($currentfields) && !empty($newfields)) {
+ $html .= "<h3>$strfieldmappings ";
+ helpbutton('fieldmappings', '', 'data');
+ $html .= '</h3><table>';
+
+ foreach ($newfields as $nid => $newfield) {
+ $html .= "<tr><td><label for=\"id_$newfield->name\">$newfield->name</label></td>";
+ $html .= '<td><select name="field_'.$nid.'" id="id_'.$newfield->name.'">';
+
+ $selected = false;
+ foreach ($currentfields as $cid => $currentfield) {
+ if ($currentfield->type == $newfield->type) {
+ if ($currentfield->name == $newfield->name) {
+ $html .= '<option value="'.$cid.'" selected="selected">'.$currentfield->name.'</option>';
+ $selected=true;
+ }
+ else {
+ $html .= '<option value="$cid">'.$currentfield->name.'</option>';
+ }
+ }
+ }
+
+ if ($selected)
+ $html .= '<option value="-1">-</option>';
+ else
+ $html .= '<option value="-1" selected="selected">-</option>';
+ $html .= '</select></td></tr>';
+ }
+ $html .= '</table>';
+ $html .= "<p>$strwarning</p>";
+ }
+ else if (empty($newfields)) {
+ print_error('nodefinedfields', 'data');
+ }
+ $html .= '<input type="submit" value="'.$strcontinue.'" /></fieldset></form></div>';
+ return $html;
+ }
+
+
+ /**
+ * import()
+ * TODO document
+ */
+ function import() {
+ global $CFG;
+
+ list($settings, $newfields, $currentfields) = $this->load_from_file();
+ $preservedfields = array();
+
+ /* Maps fields and makes new ones */
+ if (!empty($newfields)) {
+ /* 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)) {
+ print_error('notinjectivemap', 'data');
+ } 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 ($cid != -1 and isset($currentfelds[$cid])) {
+ $fieldobject = data_get_field_from_id($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/$newfield->type/field.class.php");
+
+ if (!isset($newfield->description)) {
+ $newfield->description = '';
+ }
+ $classname = 'data_field_'.$newfield->type;
+ $fieldclass = new $classname($newfield, $this->data);
+ $fieldclass->insert_field();
+ unset($fieldclass);
+ }
+ }
+ }
+
+ /* Get rid of all old unused data */
+ if (!empty($preservedfields)) {
+ foreach ($currentfields as $cid => $currentfield) {
+ if (!array_key_exists($cid, $preservedfields)) {
+ /* Data not used anymore so wipe! */
+ print "Deleting field $currentfield->name<br />";
+ $id = $currentfield->id;
+ // Why delete existing data records and related comments/ratings ??
+ /*
+ if ($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($this->directory, '/temp/')) clean_preset($this->directory); /* Removes the temporary files */
+ return true;
+ }
+
+ /**
+ * Runs the Preset action method that matches the given action string.
+ * @param string $action
+ * @return string html
+ */
+ function process_action($action, $params)
+ {
+ echo $action;
+ if (in_array("action_$action", get_class_methods(get_class($this)))) {
+ return $this->{"action_$action"}($params);
+ } else {
+ print_error('undefinedprocessactionmethod', 'data', null, $action);
+ }
+ }
+
+////////////////////
+// ACTION METHODS //
+////////////////////
+
+ function action_base($params)
+ {
+ return null;
+ }
+
+ function action_confirmdelete($params)
+ {
+ global $CFG, $USER;
+ $html = '';
+ $course = $params['course'];
+ $shortname = $params['shortname'];
+
+ if (!confirm_sesskey()) { // GET request ok here
+ print_error('confirmsesskeybad');
+ }
+
+ $this->user_id = $params['userid'];
+
+ if ($this->user_id > 0 and ($this->user_id == $USER->id || has_capability('mod/data:manageuserpresets', $context))) {
+ //ok can delete
+ } else {
+ print_error('invalidrequest');
+ }
+
+ $path = $this->get_path();
+
+ $strwarning = get_string('deletewarning', 'data').'<br />'.
+ data_preset_name($shortname, $path);
+
+ $options = new object();
+ $options->fullname = $this->user_id.'/'.$shortname;
+ $options->action = 'delete';
+ $options->d = $this->data->id;
+ $options->sesskey = sesskey();
+
+ $optionsno = new object();
+ $optionsno->d = $this->data->id;
+ notice_yesno($strwarning, 'preset.php', 'preset.php', $options, $optionsno, 'post', 'get');
+ $html .= print_footer($course, null, true);
+ echo $html;
+ exit();
+ }
+
+ function action_delete($params)
+ {
+ global $CFG, $USER;
+ $shortname = $params['shortname'];
+
+ if (!data_submitted() and !confirm_sesskey()) {
+ print_error('invalidrequest');
+ }
+
+ if ($this->user_id > 0 and ($this->user_id == $USER->id || has_capability('mod/data:manageuserpresets', $context))) {
+ //ok can delete
+ } else {
+ print_error('invalidrequest');
+ }
+
+ $this->shortname = $this->best_name($shortname);
+
+ $this->path = $this->get_path();
+ $this->directory = $this->path;
+
+ if (!$this->clean_files()) {
+ print_error('failedpresetdelete', 'data');
+ }
+ rmdir($this->path);
+
+ $strdeleted = get_string('deleted', 'data');
+ notify("$shortname $strdeleted", 'notifysuccess');
+ }
+
+ function action_importpreset($params)
+ {
+ $course = $params['course'];
+ if (!data_submitted() or !confirm_sesskey()) {
+ print_error('invalidrequest');
+ }
+
+ $this->shortname = $params['shortname'];
+ $this->data = $params['data'];
+ $this->user_id = $params['userid'];
+ $html = '';
+ $html .= $this->get_import_html();
+
+ $html .= print_footer($course, null, true);
+ echo $html;
+ exit();
+ }
+
+ function action_importzip($params)
+ {
+ global $CFG, $USER;
+ $course = $params['course'];
+ if (!data_submitted() or !confirm_sesskey()) {
+ print_error('invalid_request');
+ }
+
+ if (!make_upload_directory('temp/data/'.$USER->id)) {
+ print_error('errorcreatingdirectory', null, null, 'temp/data/' . $USER->id);
+ }
+
+ $this->file = $CFG->dataroot.'/temp/data/'.$USER->id;
+ $this->directory = $this->file;
+ $this->user_id = $USER->id;
+ $this->clean_files($this->file);
+
+ if (!unzip_file($CFG->dataroot."/$USER->id/$file", $this->file, false)) {
+ }
+
+ $html .= $this->get_import_html();
+ $html .= print_footer($course, null, true);
+ echo $html;
+ exit();
+ }
+
+ function action_finishimport($params)
+ {
+ if (!data_submitted() or !confirm_sesskey()) {
+ print_error('invalidrequest');
+ }
+ $this->shortname = $this->best_name($this->data->name);
+ $this->directory = $this->get_path();
+ $this->import();
+
+ $strimportsuccess = get_string('importsuccess', 'data');
+ $straddentries = get_string('addentries', 'data');
+ $strtodatabase = get_string('todatabase', 'data');
+ if (!get_records('data_records', 'dataid', $this->data->id)) {
+ notify('$strimportsuccess <a href="edit.php?d=' . $this->data->id . "\">$straddentries</a> $strtodatabase", 'notifysuccess');
+ } else {
+ notify("$strimportsuccess", 'notifysuccess');
+ }
+ }
+
+ function action_export($params)
+ {
+ global $CFG, $USER;
+ $course = $params['course'];
+ $html = '';
+
+ if (!data_submitted() or !confirm_sesskey()) {
+ print_error('invalid_request');
+ }
+
+ $this->shortname = $params['shortname'];
+ $this->data = $params['data'];
+
+ $html .= '<div style="text-align:center">';
+ $file = $this->export();
+ $html .= get_string('exportedtozip', 'data')."<br />";
+ $permanentfile = $CFG->dataroot.'/' . $course->id . '/moddata/data/' . $this->data->id . '/preset.zip';
+ @unlink($permanentfile);
+ /* is this created elsewhere? sometimes its not present... */
+ make_upload_directory($course->id . '/moddata/data/' . $this->data->id);
+
+ /* now just move the zip into this folder to allow a nice download */
+ if (!rename($file, $permanentfile)) {
+ print_error('movezipfailed', 'data');
+ }
+
+ $html .= '<a href="' . $CFG->wwwroot . '/file.php/' . $course->id . '/moddata/data/' . $this->data->id . '/preset.zip">'.get_string('download', 'data')."</a>";
+ $html .= '</div>';
+ return $html;
+ }
+
+ /**
+ * First stage of saving a Preset: ask for a name
+ */
+ function action_save1($params)
+ {
+ $html = '';
+ $sesskey = $params['sesskey'];
+ $course = $params['course'];
+ if (!data_submitted() or !confirm_sesskey()) {
+ print_error('invalid_request');
+ }
+
+ $strcontinue = get_string('continue');
+ $strwarning = get_string('presetinfo', 'data');
+ $strname = get_string('shortname');
+
+ $html .= '<div style="text-align:center">';
+ $html .= '<p>'.$strwarning.'</p>';
+ $html .= '<form action="preset.php" method="post">';
+ $html .= '<fieldset class="invisiblefieldset">';
+ $html .= '<label for="shortname">'.$strname.'</label> <input type="text" id="shortname" name="name" value="'.$this->best_name($this->data->name).'" />';
+ $html .= '<input type="hidden" name="action" value="save2" />';
+ $html .= '<input type="hidden" name="d" value="'.$this->data->id.'" />';
+ $html .= '<input type="hidden" name="sesskey" value="'.$sesskey.'" />';
+ $html .= '<input type="submit" value="'.$strcontinue.'" /></fieldset></form></div>';
+ $html .= print_footer($course, null, true);
+ echo $html;
+ exit();
+ }
+
+ /**
+ * Second stage of saving a preset: If the given name already exists,
+ * suggest to use a different name or offer to overwrite the existing preset.
+ */
+ function action_save2($params)
+ {
+ $course = $params['course'];
+ $this->data = $params['data'];
+
+ global $CFG, $USER;
+ if (!data_submitted() or !confirm_sesskey()) {
+ print_error('invalid_request');
+ }
+
+ $strcontinue = get_string('continue');
+ $stroverwrite = get_string('overwrite', 'data');
+ $strname = get_string('shortname');
+
+ $name = $this->best_name(optional_param('name', $this->data->name, PARAM_FILE));
+ $this->shortname = $name;
+
+ if (!is_array($this->has_all_required_files("$CFG->dataroot/data/preset/$USER->id/$name"))) {
+ notify("Preset already exists: Pick another name or overwrite ($CFG->dataroot/data/preset/$USER->id/$name)");
+
+ $html .= '<div style="text-align:center">';
+ $html .= '<form action="preset.php" method="post">';
+ $html .= '<fieldset class="invisiblefieldset">';
+ $html .= '<label for="shortname">'.$strname.'</label> <input id="shortname" type="text" name="name" value="'.$name.'" />';
+ $html .= '<input type="hidden" name="action" value="save2" />';
+ $html .= '<input type="hidden" name="d" value="'.$this->data->id.'" />';
+ $html .= '<input type="hidden" name="sesskey" value="'.$sesskey.'" />';
+ $html .= '<input type="submit" value="'.$strcontinue.'" /></fieldset></form>';
+
+ $html .= '<form action="preset.php" method="post">';
+ $html .= '<div>';
+ $html .= '<input type="hidden" name="name" value="'.$name.'" />';
+ $html .= '<input type="hidden" name="action" value="save3" />';
+ $html .= '<input type="hidden" name="d" value="'.$this->data->id.'" />';
+ $html .= '<input type="hidden" name="sesskey" value="'.$sesskey.'" />';
+ $html .= '<input type="submit" value="'.$stroverwrite.'" /></div></form>';
+ $html .= '</div>';
+ $html .= print_footer($course, null, true);
+ echo $html;
+ exit();
+ }
+ }
+
+ /**
+ * Third stage of saving a preset, overwrites an existing preset with the new one.
+ */
+ function action_save3($params)
+ {
+ global $CFG, $USER;
+ if (!data_submitted() or !confirm_sesskey()) {
+ print_error('invalidrequest');
+ }
+
+ $name = $this->best_name(optional_param('name', $this->data->name, PARAM_FILE));
+ $this->directory = "/data/preset/$USER->id/$name";
+ $this->shortname = $name;
+ $this->user_id = $USER->id;
+
+ make_upload_directory($this->directory);
+ $this->clean_files($CFG->dataroot.$this->directory);
+
+ $file = $this->export();
+ if (!unzip_file($file, $CFG->dataroot.$this->directory, false)) {
+ print_error('cannotunzipfile');
+ }
+ notify(get_string('savesuccess', 'data'), 'notifysuccess');
+ }
+}
+
+?>
--- /dev/null
+<?php // $Id$
+/* 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');
+require_once('preset_class.php');
+
+$id = optional_param('id', 0, PARAM_INT); // course module id
+$d = optional_param('d', 0, PARAM_INT); // database activity id
+$action = optional_param('action', 'base', PARAM_ALPHANUM); // current action
+$fullname = optional_param('fullname', '', PARAM_PATH); // directory the preset is in
+$file = optional_param('file', '', PARAM_FILE); // uploaded file
+
+// find out preset owner userid and shortname
+$parts = explode('/', $fullname);
+$userid = empty($parts[0]) ? 0 : (int)$parts[0];
+$shortname = empty($parts[1]) ? '' : $parts[1];
+unset($parts);
+unset($fullname);
+
+if ($id) {
+ if (! $cm = get_coursemodule_from_id('data', $id)) {
+ error('Course Module ID was 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, $course->id)) {
+ error('Course Module ID was incorrect');
+ }
+} else {
+ error('Parameter missing');
+}
+
+if (!$context = get_context_instance(CONTEXT_MODULE, $cm->id)) {
+ error('Could not find context');
+}
+
+require_login($course->id, false, $cm);
+
+require_capability('mod/data:managetemplates', $context);
+
+if ($userid && ($userid != $USER->id) && !has_capability('mod/data:viewalluserpresets', $context)) {
+ error('You are not allowed to access presets from other users');
+}
+
+/* Need sesskey security check here for import instruction */
+$sesskey = sesskey();
+
+/********************************************************************/
+/* Output */
+data_print_header($course, $cm, $data, 'presets');
+
+$preset = new Data_Preset($shortname, $data->id, null, $userid);
+echo $preset->process_action($action, compact('shortname', 'fullname', 'data', 'userid', 'file', 'course', 'sesskey'));
+
+$presets = data_get_available_presets($context);
+
+$strimport = get_string('import');
+$strfromfile = get_string('fromfile', 'data');
+$strchooseorupload = get_string('chooseorupload', 'data');
+$strusestandard = get_string('usestandard', 'data');
+$strchoose = get_string('choose');
+$strexport = get_string('export', 'data');
+$strexportaszip = get_string('exportaszip', 'data');
+$strsaveaspreset = get_string('saveaspreset', 'data');
+$strsave = get_string('save', 'data');
+$strdelete = get_string('delete');
+
+echo '<div style="text-align:center">';
+echo '<table class="presets" cellpadding="5">';
+echo '<tr><td valign="top" colspan="2" align="center"><h3>'.$strexport.'</h3></td></tr>';
+
+echo '<tr><td><label>'.$strexportaszip.'</label>';
+helpbutton('exportzip', '', 'data');
+echo '</td><td>';
+$options = new object();
+$options->action = 'export';
+$options->d = $data->id;
+$options->sesskey = sesskey();
+print_single_button('preset.php', $options, $strexport, 'post');
+echo '</td></tr>';
+
+echo '<tr><td><label>'.$strsaveaspreset.'</label>';
+helpbutton('savepreset', '', 'data');
+echo '</td><td>';
+$options = new object();
+$options->action = 'save1';
+$options->d = $data->id;
+$options->sesskey = sesskey();
+print_single_button('preset.php', $options, $strsave, 'post');
+echo '</td></tr>';
+
+
+echo '<tr><td valign="top" colspan="2" align="center"><h3>'.$strimport.'</h3></td></tr>';
+
+echo '<tr><td><label for="fromfile">'.$strfromfile.'</label>';
+helpbutton('importfromfile', '', 'data');
+echo '</td><td>';
+
+echo '<form id="uploadpreset" method="post" action="preset.php">';
+echo '<fieldset class="invisiblefieldset">';
+echo '<input type="hidden" name="d" value="'.$data->id.'" />';
+echo '<input type="hidden" name="action" value="importzip" />';
+echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
+echo '<input name="file" size="20" value="" id="fromfile" type="text" /><input name="coursefiles" value="'.$strchooseorupload.'" onclick="return openpopup('."'/files/index.php?id=2&choose=uploadpreset.file', 'coursefiles', 'menubar=0,location=0,scrollbars,resizable,width=750,height=500', 0".');" type="button" />';
+echo '<input type="submit" value="'.$strimport.'" />';
+echo '</fieldset></form>';
+echo '</td></tr>';
+
+
+echo '<tr valign="top"><td><label>'.$strusestandard.'</label>';
+helpbutton('usepreset', '', 'data');
+echo '</td><td>';
+
+echo '<form id="presets" method="post" action="preset.php" >';
+echo '<fieldset class="invisiblefieldset">';
+echo '<input type="hidden" name="d" value="'.$data->id.'" />';
+echo '<input type="hidden" name="action" value="importpreset" />';
+echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
+
+$i = 0;
+foreach ($presets as $id => $preset) {
+ $screenshot = '';
+ if (!empty($preset->user_id)) {
+ $user = get_record('user', 'id', $preset->user_id);
+ $desc = $preset->name.' ('.fullname($user, true).')';
+ } else {
+ $desc = $preset->name;
+ }
+
+ if (!empty($preset->screenshot)) {
+ $screenshot = '<img width="150" class="presetscreenshot" src="'.$preset->screenshot.'" alt="'.get_string('screenshot').' '.$desc.'" /> ';
+ }
+
+ $fullname = $preset->user_id.'/'.$preset->shortname;
+
+ $dellink = '';
+ if ($preset->user_id > 0 and ($preset->user_id == $USER->id || has_capability('mod/data:manageuserpresets', $context))) {
+ $dellink = ' <a href="preset.php?d='.$data->id.'&action=confirmdelete&fullname='.$fullname.'&sesskey='.sesskey().'">'.
+ '<img src="'.$CFG->pixpath.'/t/delete.gif" class="iconsmall" alt="'.$strdelete.' '.$desc.'" /></a>';
+ }
+
+ echo '<input type="radio" name="fullname" id="usepreset'.$i.'" value="'.$fullname.'" /><label for="usepreset'.$i++.'">'.$desc.'</label>'.$dellink.'<br />';
+}
+echo '<br />';
+echo '<input type="submit" value="'.$strchoose.'" />';
+echo '</fieldset></form>';
+echo '</td></tr>';
+echo '</table>';
+echo '</div>';
+
+print_footer($course);
+
+
+?>