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<?php
///////////////////////////////////////////////////////////////////////////
// //
// NOTICE OF COPYRIGHT //
// //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// http://moodle.org //
// //
// Copyright (C) 1999-onwards Moodle Pty Ltd http://moodle.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 //
// //
///////////////////////////////////////////////////////////////////////////
class data_field_url extends data_field_base {
var $type = 'url';
function display_add_field($recordid=0) {
global $CFG, $DB, $OUTPUT, $PAGE;
require_once($CFG->dirroot. '/repository/lib.php'); // necessary for the constants used in args
$args = new stdClass();
$args->accepted_types = '*';
$args->return_types = FILE_EXTERNAL;
$args->context = $this->context;
$args->env = 'url';
$fp = new file_picker($args);
$options = $fp->options;
$fieldid = 'field_url_'.$options->client_id;
$straddlink = get_string('choosealink', 'repository');
$url = '';
$text = '';
if ($recordid) {
if ($content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
$url = $content->content;
$text = $content->content1;
}
}
$str = '<div title="'.s($this->field->description).'">';
if (!empty($this->field->param1) and empty($this->field->param2)) {
$str .= '<table><tr><td align="right">';
$str .= get_string('url','data').':</td><td><input type="text" name="field_'.$this->field->id.'_0" id="'.$fieldid.'" value="'.$url.'" size="60" /></td></tr>';
$str .= '<tr><td align="right">'.get_string('text','data').':</td><td><input type="text" name="field_'.$this->field->id.'_1" id="field_'.$this->field->id.'_1" value="'.s($text).'" size="60" /></td></tr>';
$str .= '</table>';
} else {
// Just the URL field
$str .= '<input type="text" name="field_'.$this->field->id.'_0" id="'.$fieldid.'" value="'.s($url).'" size="60" />';
}
$str .= '<button id="filepicker-button-'.$options->client_id.'" style="display:none">'.$straddlink.'</button>';
// print out file picker
//$str .= $OUTPUT->render($fp);
$module = array('name'=>'data_urlpicker', 'fullpath'=>'/mod/data/data.js', 'requires'=>array('core_filepicker'));
$PAGE->requires->js_init_call('M.data_urlpicker.init', array($options), true, $module);
$PAGE->requires->js_function_call('show_item', array('filepicker-button-'.$options->client_id));
$str .= '</div>';
return $str;
}
function display_search_field($value = '') {
return '<input type="text" size="16" name="f_'.$this->field->id.'" value="'.$value.'" />';
}
function parse_search_field() {
return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS);
}
function generate_sql($tablealias, $value) {
global $DB;
static $i=0;
$i++;
$name = "df_url_$i";
return array(" ({$tablealias}.fieldid = {$this->field->id} AND ".$DB->sql_like("{$tablealias}.content", ":$name", false).") ", array($name=>"%$value%"));
}
function display_browse_field($recordid, $template) {
global $DB;
if ($content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
$url = empty($content->content)? '':$content->content;
$text = empty($content->content1)? '':$content->content1;
if (empty($url) or ($url == 'http://')) {
return '';
}
if (!empty($this->field->param2)) {
// param2 forces the text to something
$text = $this->field->param2;
}
if ($this->field->param1) {
// param1 defines whether we want to autolink the url.
if (!empty($text)) {
$str = '<a href="'.$url.'">'.$text.'</a>';
} else {
$str = '<a href="'.$url.'">'.$url.'</a>';
}
} else {
$str = $url;
}
return $str;
}
return false;
}
function update_content($recordid, $value, $name='') {
global $DB;
$content = new stdClass();
$content->fieldid = $this->field->id;
$content->recordid = $recordid;
$names = explode('_', $name);
switch ($names[2]) {
case 0:
// update link
$content->content = clean_param($value, PARAM_URL);
break;
case 1:
// add text
$content->content1 = clean_param($value, PARAM_NOTAGS);
break;
default:
break;
}
if (!empty($content->content) && (strpos($content->content, '://') === false) && (strpos($content->content, '/', 0) === false)) {
$content->content = 'http://' . $content->content;
}
if ($oldcontent = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
$content->id = $oldcontent->id;
return $DB->update_record('data_content', $content);
} else {
return $DB->insert_record('data_content', $content);
}
}
function notemptyfield($value, $name) {
$names = explode('_',$name);
$value = clean_param($value, PARAM_URL);
//clean first
if ($names[2] == '0') {
return ($value!='http://' && !empty($value));
}
return false;
}
function export_text_value($record) {
return $record->content . " " . $record->content1;
}
}
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