<?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;    }};?>