Added multi-selection menu field support.

This commit is contained in:
vyshane 2006-02-01 05:09:59 +00:00
parent 4728968fc7
commit 2c5c1418bb
3 changed files with 202 additions and 0 deletions

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<?php ///Class file for textarea field, extends base_field
///////////////////////////////////////////////////////////////////////////
// //
// NOTICE OF COPYRIGHT //
// //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// http://moodle.org //
// //
// Copyright (C) 2005 Martin Dougiamas http://dougiamas.com //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation; either version 2 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details: //
// //
// http://www.gnu.org/copyleft/gpl.html //
// //
///////////////////////////////////////////////////////////////////////////
/// Please refer to lib.php for method comments
class data_field_multimenu extends data_field_base {
var $type = 'multimenu';
var $id;
function data_field_multimenu($fid=0){
parent::data_field_base($fid);
}
/***********************************************
* Saves the field into the database *
***********************************************/
function insert_field($dataid, $type='multimenu', $name, $desc='', $options='') {
$newfield = new object;
$newfield->dataid = $dataid;
$newfield->type = $type;
$newfield->name = $name;
$newfield->description = $desc;
$newfield->param1 = $options;
if (!insert_record('data_fields', $newfield)) {
notify('Insertion of new field failed!');
}
}
/***********************************************
* Prints the form element in the add template *
***********************************************/
function display_add_field($id, $rid=0) {
global $CFG;
if (!$field = get_record('data_fields', 'id', $id)){
notify('That is not a valid field id!');
exit;
}
if ($rid) {
$content = get_record('data_content', 'fieldid', $id, 'recordid', $rid);
if (isset($content->content)) {
$content = $content->content;
$content = explode('##', $content);
}
}
else {
$content = array();
}
$str = '';
if ($field->description) {
$str .= '<img src="'.$CFG->pixpath.'/help.gif" alt="'.$field->description.'" title="'.$field->description.'" />&nbsp;';
}
$str .= '<select name="field_' . $field->id . '[]" id="field_' . $field->id . '" multiple="multiple">';
foreach (explode("\n",$field->param1) as $option) {
$option = ltrim(rtrim($option));
$str .= '<option value="' . $option . '"';
if (array_search($option, $content) !== false) {
// Selected by user.
$str .= ' selected >';
}
else {
$str .= '>';
}
$str .= $option . '</option>';
}
$str .= '</select>';
return $str;
}
function display_edit_field($id, $mode=0) {
parent::display_edit_field($id, $mode);
}
function update($fieldobject) {
$fieldobject->param2 = trim($fieldobject->param1);
if (!update_record('data_fields',$fieldobject)){
notify ('upate failed');
}
}
function store_data_content($fieldid, $recordid, $value) {
$content = new object;
$content->fieldid = $fieldid;
$content->recordid = $recordid;
$content->content = $this->format_data_field_multimenu_content($value);
insert_record('data_content', $content);
}
function update_data_content($fieldid, $recordid, $value) {
$content = new object;
$content->fieldid = $fieldid;
$content->recordid = $recordid;
$content->content = $this->format_data_field_multimenu_content($value);
if ($oldcontent = get_record('data_content', 'fieldid', $fieldid, 'recordid', $recordid)) {
$content->id = $oldcontent->id;
update_record('data_content', $content);
}
else {
$this->store_data_content($fieldid, $recordid, $value);
}
}
function format_data_field_multimenu_content($contentArr) {
$str = '';
foreach ($contentArr as $val) {
$str .= $val . '##';
}
$str = substr($str, 0, -2);
$str = clean_param($str, PARAM_NOTAGS);
return $str;
}
function display_browse_field($fieldid, $recordid) {
global $CFG, $USER, $course;
$field = get_record('data_fields', 'id', $fieldid);
if ($content = get_record('data_content', 'fieldid', $fieldid, 'recordid', $recordid)){
$contentArr = array();
if (!empty($content->content)) {
$contentArr = explode('##', $content->content);
}
$str = '';
foreach ($contentArr as $line) {
$str .= $line . "<br />\n";
}
return $str;
}
return false;
}
}
?>

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<form name="fieldsubform" action="<?php echo $CFG->wwwroot; ?>/mod/data/fields.php?d=<?php echo ($field->dataid); ?>" method="POST">
<table width="100%">
<tr>
<td span="2">
<input type="hidden" name="fid" value="<?php echo ($field->id); ?>" />
<input type="hidden" name="mode" value="<?php if ($newfield) {echo 'add';} else {echo 'update';} ?>" />
<input type="hidden" name="type" value="<?php echo $this->type; ?>" />
<input name="sesskey" value="<?php echo sesskey(); ?>" type="hidden">
<?php echo ($this->name()); ?>
</td>
</tr>
<tr>
<td>Name:</td>
<td><input type="text" name="name" id="name" value="<?php echo($field->name); ?>" /></td>
</tr>
<tr>
<td>Description:</td>
<td><input type="text" name="description" id="description" value="<?php echo($field->description); ?>" /></td>
</tr>
<tr>
<td>Options (Line Separated)</td>
<td><textarea name="param1" id="param1"><?php if($field->param1) {echo $field->param1;} ?></textarea></td>
</tr>
<tr>
<td>&nbsp;</td>
<td>
<input type="submit" value="<?php if ($newfield) {echo get_string('add');} else {echo get_string('save','data');} ?>" \>
<input type="submit" value="<?php echo get_string('cancel'); ?>" onclick="document.fieldsubform.mode.value='void';" \>
</td>
</tr>
</table>
</form>