File Source for calendar.php

<?php
/**
* File: calendar.php | (c) dynarch.com 2004
* Distributed as part of "The Coolest DHTML Calendar"
* under the same terms.
* -----------------------------------------------------------------
* This file implements a simple PHP wrapper for the calendar. It
* allows you to easily include all the calendar files and setup the
* calendar by instantiating and calling a PHP object.
*/
define('NEWLINE', "\n");
class DHTML_Calendar {
var $calendar_lib_path;
var $calendar_file;
var $calendar_lang_file;
var $calendar_setup_file;
var $calendar_theme_file;
var $calendar_options;
function DHTML_Calendar($calendar_lib_path = '/calendar/',
$lang = 'en',
$theme = 'calendar-win2k-1',
$stripped = true) {
if ($stripped) {
$this->calendar_file = 'calendar_stripped.js';
$this->calendar_setup_file = 'calendar-setup_stripped.js';
} else {
$this->calendar_file = 'calendar.js';
$this->calendar_setup_file = 'calendar-setup.js';
}
$this->calendar_lang_file = 'lang/calendar-' . $lang . '.js';
$this->calendar_theme_file = $theme.'.css';
$this->calendar_lib_path = preg_replace('/\/+$/', '/', $calendar_lib_path);
$this->calendar_options = array('ifFormat' => '%Y/%m/%d',
'daFormat' => '%Y/%m/%d');
}
function set_option($name, $value) {
$this->calendar_options[$name] = $value;
}
function load_files() {
echo $this->get_load_files_code();
}
function get_load_files_code() {
$code = ( '<link rel="stylesheet" type="text/css" media="all" href="' .
$this->calendar_lib_path . $this->calendar_theme_file .
'" />' . NEWLINE );
$code .= ( '<script type="text/javascript" src="' .
$this->calendar_lib_path . $this->calendar_file .
'"></script>' . NEWLINE );
$code .= ( '<script type="text/javascript" src="' .
$this->calendar_lib_path . $this->calendar_lang_file .
'"></script>' . NEWLINE );
$code .= ( '<script type="text/javascript" src="' .
$this->calendar_lib_path . $this->calendar_setup_file .
'"></script>' );
return $code;
}
function _make_calendar($other_options = array()) {
$js_options = $this->_make_js_hash(array_merge($this->calendar_options, $other_options));
$code = ( '<script type="text/javascript">Calendar.setup({' .
$js_options .
'});</script>' );
return $code;
}
function make_input_field($cal_options = array(), $field_attributes = array()) {
$id = $this->_gen_id();
$attrstr = $this->_make_html_attr(array_merge($field_attributes,
array('id' => $this->_field_id($id),
'type' => 'text')));
echo '<input ' . $attrstr .'/>';
echo '<a href="#" id="'. $this->_trigger_id($id) . '">' .
'<img align="middle" border="0" src="' . $this->calendar_lib_path . 'img.gif" alt="" /></a>';
$options = array_merge($cal_options,
array('inputField' => $this->_field_id($id),
'button' => $this->_trigger_id($id)));
echo $this->_make_calendar($options);
}
/// PRIVATE SECTION
function _field_id($id) { return 'f-calendar-field-' . $id; }
function _trigger_id($id) { return 'f-calendar-trigger-' . $id; }
function _gen_id() { static $id = 0; return ++$id; }
function _make_js_hash($array) {
$jstr = '';
reset($array);
while (list($key, $val) = each($array)) {
if (is_bool($val))
$val = $val ? 'true' : 'false';
else if (!is_numeric($val))
$val = '"'.$val.'"';
if ($jstr) $jstr .= ',';
$jstr .= '"' . $key . '":' . $val;
}
return $jstr;
}
function _make_html_attr($array) {
$attrstr = '';
reset($array);
while (list($key, $val) = each($array)) {
$attrstr .= $key . '="' . $val . '" ';
}
return $attrstr;
}
};
?>

Source for file calendar.php