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0997e51afe
to do with how the field classes worked. Now it should be even easier for developers. No changes for users. :-P The changes are not well tested yet!
1279 lines
48 KiB
PHP
Executable File
1279 lines
48 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 Moodle Pty Ltd http://moodle.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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/// Some constants
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define ('DATA_TEACHERS_ONLY', 1);
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define ('DATA_STUDENTS_ONLY', 2);
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define ('DATA_TEACHERS_AND_STUDENTS', 3);
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define ('DATA_MAX_ENTRIES', 50);
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define ('DATA_PERPAGE_SINGLE', 1);
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class data_field_base { /// Base class for Database Field Types (see field/*/field.class.php)
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var $type = 'unknown'; /// Subclasses must override the type with their name
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var $data = NULL; /// The database object that this field belongs to
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var $field = NULL; /// The field object itself, if we know it
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var $iconwidth = 16; /// Width of the icon for this fieldtype
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var $iconheight = 16; /// Width of the icon for this fieldtype
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/// Constructor function
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function data_field_base($field=0, $data=0) { // Field or data or both, each can be id or object
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if (empty($field) && empty($data)) {
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error('Programmer error: You must specify field and/or data when defining field class. ');
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}
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if (!empty($field)) {
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if (is_object($field)) {
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$this->field = $field; // Programmer knows what they are doing, we hope
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} else if (!$this->field = get_record('data_fields','id',$field)) {
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error('Bad field ID encountered: '.$field);
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}
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if (empty($data)) {
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if (!$this->data = get_record('data','id',$this->field->dataid)) {
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error('Bad data ID encountered in field data');
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}
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}
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}
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if (empty($this->data)) { // We need to define this properly
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if (!empty($data)) {
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if (is_object($data)) {
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$this->data = $data; // Programmer knows what they are doing, we hope
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} else if (!$this->data = get_record('data','id',$data)) {
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error('Bad data ID encountered: '.$data);
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}
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} else { // No way to define it!
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error('Data id or object must be provided to field class');
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}
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}
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if (empty($this->field)) { // We need to define some default values
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$this->define_default_field();
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}
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}
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/// This field just sets up a default field object
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function define_default_field() {
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if (empty($this->data->id)) {
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notify('Programmer error: dataid not defined in field class');
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}
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$this->field = new object;
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$this->field->id = 0;
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$this->field->dataid = $this->data->id;
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$this->field->type = $this->type;
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$this->field->param1 = '';
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$this->field->param2 = '';
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$this->field->param3 = '';
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$this->field->name = '';
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$this->field->description = '';
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return true;
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}
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/// Set up the field object according to data in an object. Now is the time to clean it!
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function define_field($data) {
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$this->field->type = $this->type;
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$this->field->dataid = $this->data->id;
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$this->field->name = trim($data->name);
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$this->field->description = trim($data->description);
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if (isset($data->param1)) {
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$this->field->param1 = trim($data->param1);
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}
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if (isset($data->param2)) {
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$this->field->param1 = trim($data->param2);
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}
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if (isset($data->param3)) {
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$this->field->param3 = trim($data->param3);
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}
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if (isset($data->param4)) {
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$this->field->param4 = trim($data->param4);
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}
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if (isset($data->param5)) {
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$this->field->param5 = trim($data->param5);
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}
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return true;
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}
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/// Insert a new field in the database
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/// We assume the field object is already defined as $this->field
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function insert_field() {
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if (empty($this->field)) {
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notify('Programmer error: Field has not been defined yet! See define_field()');
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return false;
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}
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if (!$this->field->id = insert_record('data_fields',$this->field)){
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notify('Insertion of new field failed!');
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return false;
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}
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return true;
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}
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/// Update a field in the database
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function update_field() {
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if (!update_record('data_fields', $this->field)) {
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notify('updating of new field failed!');
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return false;
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}
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return true;
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}
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/// Delete a field completely
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function delete_field() {
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if (!empty($this->field->id)) {
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delete_records('data_fields', 'id', $this->field->id);
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$this->delete_content();
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}
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return true;
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}
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/// Print the relevant form element in the ADD template for this field
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function display_add_field($recordid=0){
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if ($recordid){
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$content = get_field('data_content', 'content', 'fieldid', $this->field->id, 'recordid', $recordid);
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} else {
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$content = '';
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}
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$str = '<div title="'.$this->field->description.'">';
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$str .= '<input style="width:300px;" type="text" name="field_'.$this->field->id.'" id="field_'.$this->field->id.'" value="'.s($content).'" />';
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$str .= '</div>';
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return $str;
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}
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/// Print the relevant form element to define the attributes for this field
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/// viewable by teachers only.
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function display_edit_field() {
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global $CFG;
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if (empty($this->field)) { // No field has been defined yet, try and make one
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$this->define_default_field();
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}
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print_simple_box_start('center','80%');
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echo '<form name="editfield" action="'.$CFG->wwwroot.'/mod/data/fields.php" method="post">'."\n";
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echo '<input type="hidden" name="d" value="'.$this->data->id.'" />'."\n";
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if (empty($this->field->id)) {
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echo '<input type="hidden" name="mode" value="add" />'."\n";
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$savebutton = get_string('add');
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} else {
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echo '<input type="hidden" name="fid" value="'.$this->field->id.'" />'."\n";
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echo '<input type="hidden" name="mode" value="update" />'."\n";
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$savebutton = get_string('savechanges');
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}
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echo '<input type="hidden" name="type" value="'.$this->type.'" />'."\n";
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echo '<input name="sesskey" value="'.sesskey().'" type="hidden" />'."\n";
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print_heading($this->name());
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require_once($CFG->dirroot.'/mod/data/field/'.$this->type.'/mod.html');
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echo '<div align="center">';
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echo '<input type="submit" value="'.$savebutton.'" />'."\n";
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echo '<input type="submit" value="'.get_string('cancel').'" '.
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'onclick="document.editfield.mode.value=\'void\';" />'."\n";
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echo '</div">';
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echo '</form>';
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print_simple_box_end();
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}
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/// Display the content of the field in browse mode
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function display_browse_field($recordid, $template) {
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if ($content = get_record('data_content','fieldid', $this->field->id, 'recordid', $recordid)) {
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if (isset($content->content)) {
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$options->para = false;
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$str = format_text($content->content, $content->content1, $options);
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} else {
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$str = '';
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}
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return $str;
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}
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return false;
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}
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/// Update the content of one data field in the data_content table
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function update_content($recordid, $value, $name=''){
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$content = new object;
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$content->fieldid = $this->field->id;
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$content->recordid = $recordid;
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$content->content = clean_param($value, PARAM_NOTAGS);
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if ($oldcontent = get_record('data_content','fieldid', $this->field->id, 'recordid', $recordid)) {
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$content->id = $oldcontent->id;
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return update_record('data_content', $content);
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} else {
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return insert_record('data_content', $content);
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}
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}
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/// Delete all content associated with the field
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function delete_content($recordid=0) {
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$this->delete_content_files($recordid);
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if ($recordid) {
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return delete_records('data_content', 'fieldid', $this->field->id, 'recordid', $recordid);
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} else {
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return delete_records('data_content', 'fieldid', $this->field->id);
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}
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}
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/// Deletes any files associated with this field
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function delete_content_files($recordid='') {
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global $CFG;
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require_once($CFG->libdir.'/filelib.php');
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$dir = $CFG->dataroot.'/'.$this->data->course.'/'.$CFG->moddata.'/data/'.$this->data->id.'/'.$this->field->id;
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if ($recordid) {
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$dir .= '/'.$recordid;
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}
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return fulldelete($dir);
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}
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/// Check if a field from an add form is empty
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function notemptyfield($value, $name) {
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return !empty($value);
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}
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/// Just in case a field needs to print something before the whole form
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function print_before_form() {
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}
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/// Just in case a field needs to print something after the whole form
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function print_after_form() {
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}
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/// Returns the sortable field for the content. By default, it's just content
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/// but for some plugins, it could be content 1 - content4
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function get_sort_field() {
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return 'content';
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}
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/// Returns the name/type of the field
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function name(){
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return get_string('name'.$this->type, 'data');
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}
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/// Prints the respective type icon
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function image() {
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global $CFG;
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$str = '<a href="fields.php?d='.$this->data->id.'&fid='.$this->field->id.'&mode=display&sesskey='.sesskey().'">';
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$str .= '<img src="'.$CFG->modpixpath.'/data/field/'.$this->type.'/icon.gif" ';
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$str .= 'height="'.$this->iconheight.'" width="'.$this->iconwidth.'" border="0" alt="'.$this->type.'" title="'.$this->type.'" /></a>';
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return $str;
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}
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} //end of major class data_field_base
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/*****************************************************************************
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/* Given a mode and a dataid, generate a default case template *
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* input @param mode - addtemplate, singletemplate, listtempalte, rsstemplate*
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* @param dataid *
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* output null *
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*****************************************************************************/
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function data_generate_default_form($dataid, $mode){
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if (!$dataid && !$mode){
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return false;
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}
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//get all the fields for that database
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if ($fields = get_records('data_fields','dataid',$dataid)){
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$data->id = $dataid;
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$str = ''; //the string to write to the given $data->{$mode}
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//this only applies to add and single template
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$str .= '<div align="center">';
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$str .= '<table>';
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foreach ($fields as $cfield){
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$str .= '<tr><td valign="top" align="right">';
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$str .= $cfield->name.':';
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$str .= '</td>';
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$str .='<td>';
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$str .= '[['.$cfield->name.']]';
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$str .= '</td></tr>';
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unset($g);
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}
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if ($mode!='addtemplate' and $mode!='rsstemplate'){ //if not adding, we put tags in there
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$str .= '<tr><td align="center" colspan="2">##Edit## ##More## ##Delete## ##Approve##</td></tr>';
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}
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$str .= '</table>';
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$str .= '</div>';
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if ($mode == 'listtemplate'){
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$str .= '<br />';
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}
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$data->{$mode} = $str;
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//make the header and footer for listtempalte
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update_record('data', $data);
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}
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}
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/*********************************************************
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* generates an empty add form, if there is none. *
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* input: @(int)id, id of the data *
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* output: null *
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*********************************************************/
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function data_generate_empty_add_form($id, $rid=0){
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$currentdata = get_record('data','id',$id);
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//check if there is an add entry
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if (!$currentdata->addtemplate){
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echo '<div align="center">'.get_string('emptyadd', 'data').'</div><p></p>';
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//get all the field entry, and print studnet version
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if ($fields = get_records('data_fields','dataid',$currentdata->id)){
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$str = ''; //the string to write to the given $data->{$mode}
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//this only applies to add and single template
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$str .= '<div align="center">';
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$str .= '<table>';
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foreach ($fields as $cfield){
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$str .= '<tr>';
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$str .= '<td valign="top" align="right">';
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$str .= $cfield->name.':';
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$str .= '</td>';
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$str .='<td valign="top">';
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$g = data_get_field($cfield, $currentdata);
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$str .= $g->display_add_field($cfield->id,$rid);
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$str .= '</td>';
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$str .= '</tr>';
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unset($g);
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}
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$str .= '</table>';
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$str .= '</div>';
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}
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echo $str;
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}
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}
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/***********************************************************************
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* Search for a field name and replaces it with another one in all the *
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* form templates. Set $newfieldname as '' if you want to delete the *
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* field from the form. *
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***********************************************************************/
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function data_replace_field_in_templates($data, $searchfieldname, $newfieldname) {
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if (!empty($newfieldname)) {
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$prestring = '[[';
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$poststring = ']]';
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} else {
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$prestring = '';
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$poststring = '';
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}
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$newdata->id = $data->id;
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$newdata->singletemplate = addslashes(str_replace('[['.$searchfieldname.']]',
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$prestring.$newfieldname.$poststring, $data->singletemplate));
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$newdata->listtemplate = addslashes(str_replace('[['.$searchfieldname.']]',
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$prestring.$newfieldname.$poststring, $data->listtemplate));
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$newdata->addtemplate = addslashes(str_replace('[['.$searchfieldname.']]',
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$prestring.$newfieldname.$poststring, $data->addtemplate));
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$newdata->rsstemplate = addslashes(str_replace('[['.$searchfieldname.']]',
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$prestring.$newfieldname.$poststring, $data->rsstemplate));
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return update_record('data', $newdata);
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}
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/********************************************************
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* Appends a new field at the end of the form template. *
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********************************************************/
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function data_append_new_field_to_templates($data, $newfieldname) {
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$newdata->id = $data->id;
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if (!empty($data->singletemplate)) {
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$newdata->singletemplate = addslashes($data->singletemplate.' [[' . $newfieldname .']]');
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}
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if (!empty($data->addtemplate)) {
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$newdata->addtemplate = addslashes($data->addtemplate.' [[' . $newfieldname . ']]');
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}
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if (!empty($data->rsstemplate)) {
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$newdata->rsstemplate = addslashes($data->singletemplate.' [[' . $newfieldname . ']]');
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}
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update_record('data', $newdata);
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}
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/************************************************************************
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* given a field name *
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* this function creates an instance of the particular subfield class *
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************************************************************************/
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function data_get_field_from_name($name, $data){
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$field = get_record('data_fields','name',$name);
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if ($field) {
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return data_get_field($field, $data);
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} else {
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return false;
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}
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}
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/************************************************************************
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* given a field id *
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* this function creates an instance of the particular subfield class *
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************************************************************************/
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function data_get_field_from_id($fieldid, $data){
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$field = get_record('data_fields','id',$fieldid);
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if ($field) {
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return data_get_field($field, $data);
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} else {
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return false;
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}
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}
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/************************************************************************
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* given a field id *
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* this function creates an instance of the particular subfield class *
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************************************************************************/
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function data_get_field_new($type, $data) {
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global $CFG;
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require_once($CFG->dirroot.'/mod/data/field/'.$type.'/field.class.php');
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$newfield = 'data_field_'.$type;
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$newfield = new $newfield(0, $data);
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return $newfield;
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}
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/************************************************************************
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* returns a subclass field object given a record of the field, used to *
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* invoke plugin methods *
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* input: $param $field - record from db *
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************************************************************************/
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function data_get_field($field, $data) {
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global $CFG;
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if ($field) {
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require_once('field/'.$field->type.'/field.class.php');
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$newfield = 'data_field_'.$field->type;
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$newfield = new $newfield($field, $data);
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return $newfield;
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}
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}
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/***************************************************************************
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* given record id, returns true if the record belongs to the current user *
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* input @param $rid - record id *
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* output bool *
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|
***************************************************************************/
|
|
function data_isowner($rid){
|
|
global $USER;
|
|
|
|
if (empty($USER->id)) {
|
|
return false;
|
|
}
|
|
|
|
if ($record = get_record('data_records','id',$rid)) {
|
|
return ($record->userid == $USER->id);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* has a user reached the max number of entries? *
|
|
* input object $data *
|
|
* output bool *
|
|
***********************************************************************/
|
|
function data_atmaxentries($data){
|
|
if (!$data->maxentries){
|
|
return false;
|
|
|
|
} else {
|
|
return (data_numentries($data) >= $data->maxentries);
|
|
}
|
|
}
|
|
|
|
/**********************************************************************
|
|
* returns the number of entries already made by this user *
|
|
* input @param object $data *
|
|
* uses global $CFG, $USER *
|
|
* output int *
|
|
**********************************************************************/
|
|
function data_numentries($data){
|
|
global $USER;
|
|
global $CFG;
|
|
$sql = 'SELECT COUNT(*) FROM '.$CFG->prefix.'data_records WHERE dataid='.$data->id.' AND userid='.$USER->id;
|
|
return count_records_sql($sql);
|
|
}
|
|
|
|
/****************************************************************
|
|
* function that takes in a dataid and adds a record *
|
|
* this is used everytime an add template is submitted *
|
|
* input @param int $dataid, $groupid *
|
|
* output bool *
|
|
****************************************************************/
|
|
function data_add_record($data, $groupid=0){
|
|
global $USER;
|
|
|
|
$record->userid = $USER->id;
|
|
$record->dataid = $data->id;
|
|
$record->groupid = $groupid;
|
|
$record->timecreated = $record->timemodified = time();
|
|
if (isteacher($data->course)) {
|
|
$record->approved = 1;
|
|
} else {
|
|
$record->approved = 0;
|
|
}
|
|
return insert_record('data_records',$record);
|
|
}
|
|
|
|
/*******************************************************************
|
|
* check the multple existence any tag in a template *
|
|
* input @param string *
|
|
* output true-valid, false-invalid *
|
|
* check to see if there are 2 or more of the same tag being used. *
|
|
* input @param int $dataid, *
|
|
* @param string $template *
|
|
* output bool *
|
|
*******************************************************************/
|
|
function data_tags_check($dataid, $template){
|
|
//first get all the possible tags
|
|
$possiblefields = get_records('data_fields','dataid',$dataid);
|
|
///then we generate strings to replace
|
|
$tagsok = true; //let's be optimistic
|
|
foreach ($possiblefields as $cfield){
|
|
$pattern="/\[\[".$cfield->name."\]\]/i";
|
|
if (preg_match_all($pattern, $template, $dummy)>1){
|
|
$tagsok = false;
|
|
notify ('[['.$cfield->name.']] - '.get_string('multipletags','data'));
|
|
}
|
|
}
|
|
//else return true
|
|
return $tagsok;
|
|
}
|
|
|
|
/************************************************************************
|
|
* Adds an instance of a data *
|
|
************************************************************************/
|
|
function data_add_instance($data) {
|
|
global $CFG;
|
|
|
|
if (empty($data->ratings)) {
|
|
$data->ratings = 0;
|
|
}
|
|
|
|
$data->timemodified = time();
|
|
|
|
if (!empty($data->availablefromenable)) {
|
|
$data->timeavailablefrom = make_timestamp($data->availablefromyear, $data->availablefrommonth, $data->availablefromday,
|
|
$data->availablefromhour, $data->availablefromminute, 0);
|
|
} else {
|
|
$data->timeavailablefrom = 0;
|
|
}
|
|
|
|
if (!empty($data->availabletoenable)) {
|
|
$data->timeavailableto = make_timestamp($data->availabletoyear, $data->availabletomonth, $data->availabletoday,
|
|
$data->availabletohour, $data->availabletominute, 0);
|
|
} else {
|
|
$data->timeavailableto = 0;
|
|
}
|
|
|
|
if (!empty($data->viewfromenable)) {
|
|
$data->timeviewfrom = make_timestamp($data->viewfromyear, $data->viewfrommonth, $data->viewfromday,
|
|
$data->viewfromhour, $data->viewfromminute, 0);
|
|
} else {
|
|
$data->timeviewfrom = 0;
|
|
}
|
|
|
|
if (!empty($data->viewtoenable)) {
|
|
$data->timeviewto = make_timestamp($data->viewtoyear, $data->viewtomonth, $data->viewtoday,
|
|
$data->viewtohour, $data->viewtominute, 0);
|
|
} else {
|
|
$data->timeviewto = 0;
|
|
}
|
|
|
|
|
|
if (! $data->id = insert_record('data', $data)) {
|
|
return false;
|
|
}
|
|
|
|
return $data->id;
|
|
}
|
|
|
|
/************************************************************************
|
|
* updates an instance of a data *
|
|
************************************************************************/
|
|
function data_update_instance($data) {
|
|
global $CFG;
|
|
|
|
$data->id = $data->instance;
|
|
|
|
if (empty($data->ratings)) {
|
|
$data->ratings = 0;
|
|
}
|
|
|
|
$data->timemodified = time();
|
|
|
|
if (!empty($data->availablefromenable)) {
|
|
$data->timeavailablefrom = make_timestamp($data->availablefromyear, $data->availablefrommonth, $data->availablefromday,
|
|
$data->availablefromhour, $data->availablefromminute, 0);
|
|
} else {
|
|
$data->timeavailablefrom = 0;
|
|
}
|
|
|
|
if (!empty($data->availabletoenable)) {
|
|
$data->timeavailableto = make_timestamp($data->availabletoyear, $data->availabletomonth, $data->availabletoday,
|
|
$data->availabletohour, $data->availabletominute, 0);
|
|
} else {
|
|
$data->timeavailableto = 0;
|
|
}
|
|
|
|
if (!empty($data->viewfromenable)) {
|
|
$data->timeviewfrom = make_timestamp($data->viewfromyear, $data->viewfrommonth, $data->viewfromday,
|
|
$data->viewfromhour, $data->viewfromminute, 0);
|
|
} else {
|
|
$data->timeviewfrom = 0;
|
|
}
|
|
|
|
if (!empty($data->viewtoenable)) {
|
|
$data->timeviewto = make_timestamp($data->viewtoyear, $data->viewtomonth, $data->viewtoday,
|
|
$data->viewtohour, $data->viewtominute, 0);
|
|
} else {
|
|
$data->timeviewto = 0;
|
|
}
|
|
|
|
if (! $data->instance = update_record('data', $data)) {
|
|
return false;
|
|
}
|
|
return $data->instance;
|
|
|
|
}
|
|
|
|
/************************************************************************
|
|
* deletes an instance of a data *
|
|
************************************************************************/
|
|
function data_delete_instance($id) { //takes the dataid
|
|
|
|
global $CFG;
|
|
|
|
if (! $data = get_record('data', 'id', $id)) {
|
|
return false;
|
|
}
|
|
|
|
/// Delete all the associated information
|
|
|
|
// get all the records in this data
|
|
$sql = 'SELECT c.* FROM '.$CFG->prefix.'data_records as r LEFT JOIN '.
|
|
$CFG->prefix.'data_content as c ON c.recordid = r.id WHERE r.dataid = '.$id;
|
|
|
|
if ($contents = get_records_sql($sql)){
|
|
|
|
foreach($contents as $content){
|
|
|
|
$field = get_record('data_fields','id',$content->fieldid);
|
|
if ($g = data_get_field($field, $data)){
|
|
$g->delete_content_files($id, $content->recordid, $content->content);
|
|
}
|
|
//delete the content itself
|
|
delete_records('data_content','id', $content->id);
|
|
}
|
|
}
|
|
|
|
// delete all the records and fields
|
|
delete_records('data_records', 'dataid', $id);
|
|
delete_records('data_fields','dataid',$id);
|
|
|
|
// Delete the instance itself
|
|
|
|
if (! delete_records('data', 'id', $id)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/************************************************************************
|
|
* returns a summary of data activity of this user *
|
|
************************************************************************/
|
|
function data_user_outline($course, $user, $mod, $data) {
|
|
|
|
global $USER, $CFG;
|
|
|
|
$sql = 'SELECT * from '.$CFG->prefix.'data_records WHERE dataid = "'.$data->id.'" AND userid = "'.$USER->id.'" ORDER BY timemodified DESC';
|
|
|
|
if ($records = get_records_sql($sql)){
|
|
$result->info = count($records).' '.get_string('numrecords', 'data');
|
|
$lastrecord = array_pop($records);
|
|
$result->time = $lastrecord->timemodified;
|
|
return $result;
|
|
}
|
|
return NULL;
|
|
|
|
}
|
|
|
|
/************************************************************************
|
|
* Prints all the records uploaded by this user *
|
|
************************************************************************/
|
|
function data_user_complete($course, $user, $mod, $data) {
|
|
|
|
global $USER, $CFG;
|
|
|
|
$sql = 'SELECT * from '.$CFG->prefix.'data_records WHERE dataid = "'.
|
|
$data->id.'" AND userid = "'.$USER->id.'" ORDER BY timemodified DESC';
|
|
|
|
if ($records = get_records_sql($sql)){
|
|
|
|
data_print_template($records, $data, '', 'singletemplate');
|
|
|
|
}
|
|
}
|
|
|
|
/************************************************************************
|
|
* returns a list of participants of this database *
|
|
************************************************************************/
|
|
function data_get_participants($dataid) {
|
|
//Returns the users with data in one resource
|
|
//(NONE, byt must exists on EVERY mod !!)
|
|
global $CFG;
|
|
|
|
$records = get_records_sql('SELECT DISTINCT u.id, u.id from '.$CFG->prefix.
|
|
'user u, '.$CFG->prefix.'data_records r WHERE r.dataid="'.$dataid.'"
|
|
AND u.id = r.userid');
|
|
|
|
$comments = get_records_sql('SELECT DISTINCT u.id, u.id from '.$CFG->prefix.
|
|
'user u, '.$CFG->prefix.'data_comments c WHERE dataid="'.$dataid.'"
|
|
AND u.id = c.userid');
|
|
|
|
$participants = array();
|
|
|
|
if ($records){
|
|
foreach ($records as $record) {
|
|
$participants[$record->id] = $record;
|
|
}
|
|
}
|
|
if ($comments){
|
|
foreach ($comments as $comment) {
|
|
$participants[$comment->id] = $comment;
|
|
}
|
|
}
|
|
|
|
return $participants;
|
|
}
|
|
|
|
function data_get_coursemodule_info($coursemodule) {
|
|
/// Given a course_module object, this function returns any
|
|
/// "extra" information that may be needed when printing
|
|
/// this activity in a course listing.
|
|
///
|
|
/// See get_array_of_activities() in course/lib.php
|
|
///
|
|
|
|
global $CFG;
|
|
|
|
$info = NULL;
|
|
|
|
return $info;
|
|
}
|
|
|
|
///junk functions
|
|
/************************************************************************
|
|
* takes a list of records, the current data, a search string, *
|
|
* and mode to display prints the translated template *
|
|
* input @param array $records *
|
|
* @param object $data *
|
|
* @param string $search *
|
|
* @param string $template *
|
|
* output null *
|
|
************************************************************************/
|
|
function data_print_template($records, $data, $search, $template, $sort, $page=0, $rid=0, $order='', $group='', $return=false){
|
|
global $CFG, $course;
|
|
|
|
foreach ($records as $record) { //only 1 record for single mode
|
|
|
|
//replacing tags
|
|
$patterns = array();
|
|
$replacement = array();
|
|
if ($search || $sort){ //the ids are different for the 2 searches
|
|
$record->id = $record->recordid;
|
|
}
|
|
|
|
$possiblefields = get_records('data_fields','dataid',$data->id);
|
|
|
|
///then we generate strings to replace for normal tags
|
|
foreach ($possiblefields as $cfield) {
|
|
$patterns[]='/\[\['.$cfield->name.'\]\]/i';
|
|
$g = data_get_field($cfield, $data);
|
|
$replacement[] = highlight($search, $g->display_browse_field($cfield->id, $record->id, $template));
|
|
unset($g);
|
|
}
|
|
|
|
$record = get_record('data_records','id',$record->id);
|
|
///replacing special tags (##Edit##, ##Delete##, ##More##)
|
|
$patterns[]='/\#\#Edit\#\#/i';
|
|
$patterns[]='/\#\#Delete\#\#/i';
|
|
$patterns[]='/\#\#More\#\#/i';
|
|
$patterns[]='/\#\#Approve\#\#/i';
|
|
$patterns[]='/\#\#Comment\#\#/i';
|
|
|
|
if (data_isowner($record->id) or isteacheredit($course->id)){
|
|
$replacement[] = '<a href="'.$CFG->wwwroot.'/mod/data/add.php?d='
|
|
.$data->id.'&rid='.$record->id.'&sesskey='.sesskey().'"><img src="'.$CFG->pixpath.'/t/edit.gif" height="11" width="11" border="0" alt="'.get_string('edit').'" /></a>';
|
|
}else {
|
|
$replacement[] = '';
|
|
}
|
|
|
|
if (data_isowner($record->id) or isteacheredit($course->id)){
|
|
$replacement[] = '<a href="'.$CFG->wwwroot.'/mod/data/view.php?d='
|
|
.$data->id.'&delete='.$record->id.'&sesskey='.sesskey().'"><img src="'.$CFG->pixpath.'/t/delete.gif" height="11" width="11" border="0" alt="'.get_string('delete').'" /></a>';
|
|
}else {
|
|
$replacement[] = '';
|
|
}
|
|
$replacement[] = '<a href="'.$CFG->wwwroot.'/mod/data/view.php?d='.$data->id.'&rid='.$record->id.'&search='.$search.'&sort='.$sort.'&order='.$order.'&group='.$group.'&"><img src="'.$CFG->pixpath.'/i/search.gif" height="11" width="11" border="0" alt="'.get_string('more').'" /></a>';
|
|
|
|
if (isteacher($course->id) && ($data->approval) && (!$record->approved)){
|
|
$replacement[] = data_print_approve_button($record->id, $data->id, $page, $rid, $search, $sort, $order);
|
|
}else {
|
|
$replacement[] = '';
|
|
}
|
|
|
|
if (($template == 'listtemplate') && ($data->comments)) {
|
|
$comments = count_records('data_comments','recordid',$record->id);
|
|
$replacement[] = '<a href="comment.php?recordid='.$record->id.'&d='.$data->id.'&search='.$search.'&sort='.$sort.'&order='.$order.'&group='.$group.'&page='.$page.'">'.$comments.' '.get_string('comment','data').'</a>';
|
|
} else {
|
|
$replacement[] = '';
|
|
}
|
|
|
|
///actual replacement of the tags
|
|
$newtext = preg_replace($patterns, $replacement, $data->{$template});
|
|
if ($return) {
|
|
return format_text($newtext);
|
|
} else {
|
|
echo format_text($newtext); //prints the template with tags replaced
|
|
}
|
|
|
|
/**********************************
|
|
* Printing Ratings Form *
|
|
*********************************/
|
|
if ($template == 'singletemplate') { //prints ratings options
|
|
data_print_ratings($data, $record);
|
|
}
|
|
|
|
/**********************************
|
|
* Printing Ratings Form *
|
|
*********************************/
|
|
if (($template == 'singletemplate') && ($data->comments)) { //prints ratings options
|
|
data_print_comments($data, $record, $search, $template, $sort, $page, $rid, $order, $group);
|
|
}
|
|
|
|
//if this record is not yet approved, and database requires approval, print silly button
|
|
}
|
|
}
|
|
|
|
|
|
/************************************************************************
|
|
* function that takes in the current data, number of items per page, *
|
|
* a search string and prints a preference box in view.php *
|
|
* input @param object $data *
|
|
* @param int $perpage *
|
|
* @param string $search *
|
|
* output null *
|
|
************************************************************************/
|
|
function data_print_preference_form($data, $perpage, $search, $sort='', $order='ASC'){
|
|
echo '<br />';
|
|
echo '<form name="options" action="view.php?d='.$data->id.'&search='.s($search).'&sort='.s($sort).'&order='.s($order).'" method="post">';
|
|
echo '<input type="hidden" id="updatepref" name="updatepref" value="1" />';
|
|
echo '<table id="sortsearch" align="center">';
|
|
echo '<tr>'.
|
|
'<td class="c0 r1">'.get_string('pagesize','data').':</td>';
|
|
echo '<td class="c1 r1">';
|
|
$pagesizes = array(1=>1,2=>2,3=>3,4=>4,5=>5,6=>6,7=>7,8=>8,9=>9,10=>10,15=>15,
|
|
20=>20,30=>30,40=>40,50=>50,100=>100,200=>200,300=>300,400=>400,500=>500,1000=>1000);
|
|
choose_from_menu($pagesizes, 'perpage1', $perpage, 'choose', '', '0');
|
|
echo '</td></tr>';
|
|
echo '<tr>'.
|
|
'<td class="c0 r0">'.get_string('search').':</td>'.
|
|
'<td class="c1 r0"><input type="text" size="16" name="search" value="'.s($search).'" /></td>'.
|
|
'</tr>';
|
|
echo '<tr>';
|
|
echo '<td class="c0 r2">';
|
|
echo get_string('sortby').':';
|
|
echo '</td><td class="c1 r2">';
|
|
//foreach field, print the option
|
|
$fields = get_records('data_fields','dataid',$data->id);
|
|
echo '<select name="sort"><option value="0">'.get_string('dateentered','data').'</option>';
|
|
foreach ($fields as $field) {
|
|
if ($field->id == $sort) {
|
|
echo '<option value="'.$field->id.'" selected="selected">'.$field->name.'</option>';
|
|
} else {
|
|
echo '<option value="'.$field->id.'">'.$field->name.'</option>';
|
|
}
|
|
}
|
|
echo '</select>';
|
|
echo '<select name="order">';
|
|
if ($order == "ASC") {
|
|
echo '<option value="ASC" selected="selected">'.get_string('ascending','data').'</option>';
|
|
} else {
|
|
echo '<option value="ASC">'.get_string('ascending','data').'</option>';
|
|
}
|
|
if ($order == "DESC") {
|
|
echo '<option value="DESC" selected="selected">'.get_string('descending','data').'</option>';
|
|
} else {
|
|
echo '<option value="DESC">'.get_string('descending','data').'</option>';
|
|
}
|
|
echo '</select>';
|
|
//print ASC or DESC
|
|
echo '</td></tr><tr>';
|
|
echo '<td colspan="2" align="center" class="r3">';
|
|
echo '<input type="submit" value="'.get_string('savesettings','data').'" />';
|
|
echo '</td></tr></table>';
|
|
echo '</form>';
|
|
}
|
|
|
|
//silly function that prints a button
|
|
function data_print_approve_button($recordid, $d, $page='0', $rid='0', $search='', $sort='', $order='') {
|
|
$str= '<div align="center"><form action="approve.php" method="get">';
|
|
$str.= '<input type="hidden" name="d" value="'.$d.'" />';
|
|
$str.= '<input type="hidden" name="rid" value="'.$rid.'" />';
|
|
$str.= '<input type="hidden" name="page" value="'.$page.'" />';
|
|
$str.= '<input type="hidden" name="search" value="'.$search.'" />';
|
|
$str.= '<input type="hidden" name="sort" value="'.$sort.'" />';
|
|
$str.= '<input type="hidden" name="order" value="'.$order.'" />';
|
|
$str.= '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
|
|
$str.= '<input type="hidden" name="recordid" value="'.$recordid.'" />';
|
|
$str.= '<input type="submit" value="'.get_string('approve').'" />';
|
|
$str.= '</form></div>';
|
|
return $str;
|
|
}
|
|
|
|
//silly function that approves a record
|
|
function data_approve_record($recordid) {
|
|
$record = get_record('data_records','id',$recordid);
|
|
$record->approved = 1;
|
|
update_record('data_records',$record);
|
|
}
|
|
|
|
//silly function that prints the a form to do ratings
|
|
function data_print_ratings($data, $record) {
|
|
global $USER, $course;
|
|
$ratingsmenuused = false;
|
|
if ($data->ratings and !empty($USER->id)) {
|
|
if ($ratings->scale = make_grades_menu($data->scale)) {
|
|
$ratings->assesspublic = $data->assesspublic;
|
|
$ratings->allow = (($data->assessed != 2 or isteacher($course->id)) && !isguest());
|
|
if ($ratings->allow) {
|
|
echo '<p /><form name="form" method="post" action="rate.php">';
|
|
echo '<div class="ratings" align="center">';
|
|
$useratings = true;
|
|
|
|
if ($useratings) {
|
|
if ((isteacher($course->id) or $ratings->assesspublic) and !data_isowner($record->id)) {
|
|
data_print_ratings_mean($record->id, $ratings->scale, isteacher($course->id));
|
|
if (!empty($ratings->allow)) {
|
|
echo ' ';
|
|
data_print_rating_menu($record->id, $USER->id, $ratings->scale);
|
|
$ratingsmenuused = true;
|
|
}
|
|
|
|
} else if (data_isowner($record->id)) {
|
|
data_print_ratings_mean($record->id, $ratings->scale, true);
|
|
|
|
} else if (!empty($ratings->allow) ) {
|
|
data_print_rating_menu($record->id, $USER->id, $ratings->scale);
|
|
$ratingsmenuused = true;
|
|
}
|
|
}
|
|
|
|
if ($data->scale < 0) {
|
|
if ($scale = get_record("scale", "id", abs($data->scale))) {
|
|
print_scale_menu_helpbutton($course->id, $scale );
|
|
}
|
|
}
|
|
|
|
if ($ratingsmenuused) {
|
|
echo '<input type="hidden" name="id" value="'.$course->id.'" />';
|
|
echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
|
|
echo "<input type=\"submit\" value=\"".get_string("sendinratings", "data")."\" />";
|
|
}
|
|
echo '</div>';
|
|
echo "</form>";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function data_print_ratings_mean($recordid, $scale, $link=true) {
|
|
/// Print the multiple ratings on a post given to the current user by others.
|
|
/// Scale is an array of ratings
|
|
|
|
static $strrate;
|
|
|
|
$mean = data_get_ratings_mean($recordid, $scale);
|
|
|
|
if ($mean !== "") {
|
|
|
|
if (empty($strratings)) {
|
|
$strratings = get_string("ratings", "data");
|
|
}
|
|
|
|
echo "$strratings: ";
|
|
if ($link) {
|
|
link_to_popup_window ("/mod/data/report.php?id=$recordid", "ratings", $mean, 400, 600);
|
|
} else {
|
|
echo "$mean ";
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
function data_get_ratings_mean($recordid, $scale, $ratings=NULL) {
|
|
/// Return the mean rating of a post given to the current user by others.
|
|
/// Scale is an array of possible ratings in the scale
|
|
/// Ratings is an optional simple array of actual ratings (just integers)
|
|
|
|
if (!$ratings) {
|
|
$ratings = array();
|
|
if ($rates = get_records("data_ratings", "recordid", $recordid)) {
|
|
foreach ($rates as $rate) {
|
|
$ratings[] = $rate->rating;
|
|
}
|
|
}
|
|
}
|
|
|
|
$count = count($ratings);
|
|
|
|
if ($count == 0) {
|
|
return "";
|
|
|
|
} else if ($count == 1) {
|
|
return $scale[$ratings[0]];
|
|
|
|
} else {
|
|
$total = 0;
|
|
foreach ($ratings as $rating) {
|
|
$total += $rating;
|
|
}
|
|
$mean = round( ((float)$total/(float)$count) + 0.001); // Little fudge factor so that 0.5 goes UP
|
|
|
|
if (isset($scale[$mean])) {
|
|
return $scale[$mean]." ($count)";
|
|
} else {
|
|
return "$mean ($count)"; // Should never happen, hopefully
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
function data_print_rating_menu($recordid, $userid, $scale) {
|
|
/// Print the menu of ratings as part of a larger form.
|
|
/// If the post has already been - set that value.
|
|
/// Scale is an array of ratings
|
|
|
|
static $strrate;
|
|
|
|
if (!$rating = get_record("data_ratings", "userid", $userid, "recordid", $recordid)) {
|
|
$rating->rating = 0;
|
|
}
|
|
|
|
if (empty($strrate)) {
|
|
$strrate = get_string("rate", "data");
|
|
}
|
|
|
|
choose_from_menu($scale, $recordid, $rating->rating, "$strrate...");
|
|
}
|
|
|
|
|
|
function data_get_ratings($recordid, $sort="u.firstname ASC") {
|
|
/// Returns a list of ratings for a particular post - sorted.
|
|
global $CFG;
|
|
return get_records_sql("SELECT u.*, r.rating
|
|
FROM {$CFG->prefix}data_ratings r,
|
|
{$CFG->prefix}user u
|
|
WHERE r.recordid = $recordid
|
|
AND r.userid = u.id
|
|
ORDER BY $sort");
|
|
|
|
}
|
|
|
|
|
|
//prints all comments + a text box for adding additional comment
|
|
function data_print_comments($data, $record , $search, $template, $sort, $page=0, $rid=0, $order='', $group='') {
|
|
//foreach comment, print it!
|
|
//(with links to edit, remove etc, but no reply!!!!!)
|
|
if ($comments = get_records('data_comments','recordid',$record->id)) {
|
|
foreach ($comments as $comment) {
|
|
data_print_comment($data, $comment->id);
|
|
}
|
|
}
|
|
|
|
//prints silly comment form
|
|
echo '<p /><div align="center"><form method="post" action="comment.php">';
|
|
echo '<input type="hidden" name="mode" value="add" />';
|
|
echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
|
|
echo '<input type="hidden" name="recordid" value="'.$record->id.'" />';
|
|
echo '<input type="hidden" name="d" value="'.$data->id.'" />';
|
|
echo '<input type="hidden" name="search" value="'.$search.'" />';
|
|
echo '<input type="hidden" name="rid" value="'.$rid.'" />';
|
|
echo '<input type="hidden" name="sort" value="'.$sort.'" />';
|
|
echo '<input type="hidden" name="order" value="'.$order.'" />';
|
|
echo '<input type="hidden" name="group" value="'.$group.'" />';
|
|
echo '<input type="hidden" name="page" value="'.$page.'" />';
|
|
echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
|
|
|
|
echo '<textarea name="commentcontent"></textarea>';
|
|
echo '<br><input type="submit" value="'.get_string('addcomment','data').'" />';
|
|
echo '</form></div>';
|
|
}
|
|
|
|
//prints a single comment entry
|
|
function data_print_comment($data, $commentid) {
|
|
|
|
global $USER, $CFG, $course;
|
|
|
|
$stredit = get_string('edit');
|
|
$strdelete = get_string('delete');
|
|
|
|
$comment = get_record('data_comments','id',$commentid);
|
|
$user = get_record('user','id',$comment->userid);
|
|
|
|
echo '<div align="center"><table cellspacing="0" width ="50%" class="forumpost">';
|
|
|
|
echo '<tr class="header"><td class="picture left">';
|
|
print_user_picture($comment->userid, $course->id, $user->picture);
|
|
echo '</td>';
|
|
|
|
echo '<td class="topic starter" align="left"><div class="author">';
|
|
$fullname = fullname($user, isteacher($comment->userid));
|
|
$by->name = '<a href="'.$CFG->wwwroot.'/user/view.php?id='.
|
|
$user->id.'&course='.$course->id.'">'.$fullname.'</a>';
|
|
$by->date = userdate($comment->modified);
|
|
print_string('bynameondate', 'data', $by);
|
|
echo '</div></td></tr>';
|
|
|
|
echo '<tr><td class="left side">';
|
|
if ($group = user_group($course->id, $comment->userid)) {
|
|
print_group_picture($group, $course->id, false, false, true);
|
|
} else {
|
|
echo ' ';
|
|
}
|
|
|
|
/// Actual content
|
|
|
|
echo '</td><td class="content" align="left">'."\n";
|
|
|
|
// Print whole message
|
|
echo format_text($comment->content);
|
|
|
|
/// Commands
|
|
|
|
echo '<div class="commands">';
|
|
if (data_isowner($comment->recordid) or isteacher($course->id)) {
|
|
echo '<a href="'.$CFG->wwwroot.'/mod/data/comment.php?d='.$data->id.'&mode=edit&commentid='.$comment->id.'">'.$stredit.'</a>';
|
|
}
|
|
|
|
if (data_isowner($comment->recordid) or isteacher($course->id)) {
|
|
echo '| <a href="'.$CFG->wwwroot.'/mod/data/comment.php?d='.$data->id.'&mode=delete&commentid='.$comment->id.'">'.$strdelete.'</a>';
|
|
}
|
|
|
|
echo '</div>';
|
|
|
|
echo '</td></tr></table><div>'."\n\n";
|
|
}
|
|
|
|
|
|
// For Participantion Reports
|
|
function data_get_view_actions() {
|
|
return array('view');
|
|
}
|
|
|
|
function data_get_post_actions() {
|
|
return array('add','update','record delete');
|
|
}
|
|
|
|
function data_fieldname_exists($name, $dataid, $fieldid=0) {
|
|
global $CFG;
|
|
|
|
if ($fieldid) {
|
|
return record_exists_sql('SELECT * from '.$CFG->prefix.'data_fields
|
|
WHERE name LIKE "'.$name.'" AND dataid = '.$dataid.'
|
|
AND ((id < '.$fieldid.') OR (id > '.$fieldid.'))');
|
|
} else {
|
|
return record_exists_sql('SELECT * from '.$CFG->prefix.'data_fields
|
|
WHERE name LIKE "'.$name.'" AND dataid = '.$dataid);
|
|
}
|
|
}
|
|
|
|
function data_convert_arrays_to_strings(&$fieldinput) {
|
|
foreach ($fieldinput as $key => $val) {
|
|
if (is_array($val)) {
|
|
$str = '';
|
|
foreach ($val as $inner) {
|
|
$str .= $inner . ',';
|
|
}
|
|
$str = substr($str, 0, -1);
|
|
|
|
$fieldinput->$key = $str;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
INSERT INTO prefix_log_display VALUES ('data', 'view', 'data', 'name');
|
|
INSERT INTO prefix_log_display VALUES ('data', 'add', 'data', 'name');
|
|
INSERT INTO prefix_log_display VALUES ('data', 'update', 'data', 'name');
|
|
INSERT INTO prefix_log_display VALUES ('data', 'record delete', 'data', 'name');
|
|
INSERT INTO prefix_log_display VALUES ('data', 'fields add', 'data_fields', 'name');
|
|
INSERT INTO prefix_log_display VALUES ('data', 'fields update', 'data_fields', 'name');
|
|
INSERT INTO prefix_log_display VALUES ('data', 'templates saved', 'data', 'name');
|
|
INSERT INTO prefix_log_display VALUES ('data', 'templates def', 'data', 'name');
|
|
*/
|
|
?>
|