www.gusucode.com > FavShop网店系统源码程序 > FavShop网店系统 1.0/upload/cake/libs/view/helpers/js.php
<?php
/* SVN FILE: $Id: js.php 6311 2008-01-02 06:33:52Z phpnut $ */
/**
* Javascript Generator class file.
*
* PHP versions 4 and 5
*
* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
* Copyright 2006-2008, Cake Software Foundation, Inc.
* 1785 E. Sahara Avenue, Suite 490-204
* Las Vegas, Nevada 89104
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2006-2008, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP Project
* @package cake
* @subpackage cake.cake.libs.view.helpers
* @since CakePHP v 1.2
* @version $Revision: 6311 $
* @modifiedby $LastChangedBy: phpnut $
* @lastmodified $Date: 2008-01-02 00:33:52 -0600 (Wed, 02 Jan 2008) $
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Javascript Generator helper class for easy use of JavaScript.
*
* JsHelper provides an abstract interface for authoring JavaScript with a
* given client-side library.
*
* @package cake
* @subpackage cake.cake.libs.view.helpers
*/
class JsHelper extends Overloadable2 {
var $base = null;
var $webroot = null;
var $here = null;
var $params = null;
var $action = null;
var $data = null;
var $themeWeb = null;
var $plugin = null;
var $helpers = array();
var $hook = null;
var $__objects = array();
var $effectMap = array(
'Appear', 'Fade', 'Puff', 'BlindDown', 'BlindUp', 'SwitchOff', 'SlideDown', 'SlideUp',
'DropOut', 'Shake', 'Pulsate', 'Squish', 'Fold', 'Grow', 'Shrink', 'Highlight', 'toggle'
);
var $output = false;
function __construct() {
$this->effectMap = array_combine(
array_map('strtolower', $this->effectMap),
$this->effectMap
);
parent::__construct();
}
function call__($method, $params) {
if (is_object($this->hook) && method_exists($this->hook, $method)) {
}
if (method_exists($this, $method . '_')) {
return call_user_func_array(array(&$this, $method . '_'), $params);
}
}
function alert_($message) {
return 'alert("' . $this->escape($message) . '");';
}
function if_($if, $then, $else = null, $elseif = array()) {
$len = strlen($if) - 1;
if ($if{$len} == ';') {
$if{$len} = null;
}
$out = 'if (' . $if . ') { ' . $then . ' }';
foreach ($elseif as $cond => $exec) {
//$out .=
}
if (!empty($else)) {
$out .= ' else { ' . $else . ' }';
}
return $out;
}
function confirm_($message) {
return 'confirm("' . $this->escape($message) . '");';
}
function prompt_($message, $default = '') {
return 'prompt("' . $this->escape($message) . '", "' . $this->escape($default) . '");';
}
/*
* Tries a series of expressions, and executes after first successful completion.
* (See Prototype's Try.these).
*
* @return string
*/
function tryThese_($expr1, $expr2, $expr3) {
}
/**
* Loads a remote URL
*
* @param string $url
* @param array $options
* @return string
*/
function load_($url = null, $options = array()) {
if (isset($options['update'])) {
if (!is_array($options['update'])) {
$func = "new Ajax.Updater('{$options['update']}',";
} else {
$func = "new Ajax.Updater(document.createElement('div'),";
}
if (!isset($options['requestHeaders'])) {
$options['requestHeaders'] = array();
}
if (is_array($options['update'])) {
$options['update'] = join(' ', $options['update']);
}
$options['requestHeaders']['X-Update'] = $options['update'];
} else {
$func = "new Ajax.Request(";
}
$func .= "'" . Router::url($url) . "'";
$ajax =& new AjaxHelper();
$func .= ", " . $ajax->__optionsForAjax($options) . ")";
if (isset($options['before'])) {
$func = "{$options['before']}; $func";
}
if (isset($options['after'])) {
$func = "$func; {$options['after']};";
}
if (isset($options['condition'])) {
$func = "if ({$options['condition']}) { $func; }";
}
if (isset($options['confirm'])) {
$func = "if (confirm('" . $this->Javascript->escapeString($options['confirm'])
. "')) { $func; } else { return false; }";
}
return $func;
}
/**
* Redirects to a URL
*
* @param mixed $url
* @param array $options
* @return string
*/
function redirect_($url = null) {
return 'window.location = "' . Router::url($url) . '";';
}
/**
* Escape a string to be JavaScript friendly.
*
* List of escaped ellements:
* + "\r\n" => '\n'
* + "\r" => '\n'
* + "\n" => '\n'
* + '"' => '\"'
* + "'" => "\\'"
*
* @param string $script String that needs to get escaped.
* @return string Escaped string.
*/
function escape($string) {
$escape = array("\r\n" => '\n', "\r" => '\n', "\n" => '\n', '"' => '\"', "'" => "\\'");
return str_replace(array_keys($escape), array_values($escape), $string);
}
function get__($name) {
return $this->__object($name, 'id');
}
function select($pattern) {
return $this->__object($pattern, 'pattern');
}
function real($var) {
return $this->__object($var, 'real');
}
function __object($name, $var) {
if (!isset($this->__objects[$name])) {
$this->__objects[$name] = new JsHelperObject($this);
$this->__objects[$name]->{$var} = $name;
}
return $this->__objects[$name];
}
/**
* Generates a JavaScript object in JavaScript Object Notation (JSON)
* from an array
*
* @param array $data Data to be converted
* @param boolean $block Wraps return value in a <script/> block if true
* @param string $prefix Prepends the string to the returned data
* @param string $postfix Appends the string to the returned data
* @param array $stringKeys A list of array keys to be treated as a string
* @param boolean $quoteKeys If false, treats $stringKey as a list of keys *not* to be quoted
* @param string $q The type of quote to use
* @return string A JSON code block
*/
function object($data = array(), $block = false, $prefix = '', $postfix = '', $stringKeys = array(), $quoteKeys = true, $q = "\"") {
if (is_object($data)) {
$data = get_object_vars($data);
}
$out = array();
$key = array();
if (is_array($data)) {
$keys = array_keys($data);
}
$numeric = true;
if (!empty($keys)) {
foreach ($keys as $key) {
if (!is_numeric($key)) {
$numeric = false;
break;
}
}
}
foreach ($data as $key => $val) {
if (is_array($val) || is_object($val)) {
$val = $this->object($val, false, '', '', $stringKeys, $quoteKeys, $q);
} else {
if ((!count($stringKeys) && !is_numeric($val) && !is_bool($val)) || ($quoteKeys && in_array($key, $stringKeys)) || (!$quoteKeys && !in_array($key, $stringKeys)) && $val !== null) {
$val = $q . $this->escapeString($val) . $q;
}
if ($val == null) {
$val = 'null';
}
}
if (!$numeric) {
$val = $q . $key . $q . ':' . $val;
}
$out[] = $val;
}
if (!$numeric) {
$rt = '{' . join(', ', $out) . '}';
} else {
$rt = '[' . join(', ', $out) . ']';
}
$rt = $prefix . $rt . $postfix;
if ($block) {
$rt = $this->codeBlock($rt);
}
return $rt;
}
}
class JsHelperObject {
var $__parent = null;
var $id = null;
var $pattern = null;
var $real = null;
function __construct(&$parent) {
if (is_object($parent)) {
$this->setParent($parent);
}
}
function toString() {
return $this->__toString();
}
function __toString() {
return $this->literal;
}
function ref($ref = null) {
if ($ref == null) {
foreach (array('id', 'pattern', 'real') as $ref) {
if ($this->{$ref} !== null) {
return $this->{$ref};
}
}
} else {
return ($this->{$ref} !== null);
}
return null;
}
function literal($append = null) {
if (!empty($this->id)) {
$data = '$("' . $this->id . '")';
}
if (!empty($this->pattern)) {
$data = '$$("' . $this->pattern . '")';
}
if (!empty($this->real)) {
$data = $this->real;
}
if (!empty($append)) {
$data .= '.' . $append;
}
return $data;
}
function __call($name, $args) {
$data = '';
if (isset($this->__parent->effectMap[strtolower($name)])) {
array_unshift($args, $this->__parent->effectMap[strtolower($name)]);
$name = 'effect';
}
switch ($name) {
case 'effect':
case 'visualEffect':
if (strpos($args[0], '_') || $args[0]{0} != strtoupper($args[0]{0})) {
$args[0] = Inflector::camelize($args[0]);
}
if (strtolower($args[0]) == 'highlight') {
$data .= 'new ';
}
if ($this->pattern == null) {
$data .= 'Effect.' . $args[0] . '(' . $this->literal();
} else {
$data .= 'Effect.' . $args[0] . '(item';
}
if (isset($args[1]) && is_array($args[1])) {
$data .= ', {' . $this->__options($args[1]) . '}';
}
$data .= ');';
if ($this->pattern !== null) {
$data = $this->each($data);
}
break;
case 'remove':
case 'toggle':
case 'show':
case 'hide':
if (empty($args)) {
$obj = 'Element';
$params = '';
} else {
$obj = 'Effect';
$params = ', "' . $args[0] . '"';
}
if ($this->pattern != null) {
$data = $this->each($obj . ".{$name}(item);");
} else {
$data = $obj . ".{$name}(" . $this->literal() . ');';
}
break;
case 'visible':
$data = $this->literal() . '.visible();';
break;
case 'update':
$data = $this->literal() . ".update({$args[0]});";
break;
case 'load':
$data = 'new Ajax.Updater("' . $this->id . '", "' . $args[0] . '"';
if (isset($args[1]) && is_array($args[1])) {
$data .= ', {' . $this->__options($args[1]) . '}';
}
$data .= ');';
break;
case 'each':
case 'all':
case 'any':
case 'detect':
case 'findAll':
if ($this->pattern != null) {
$data = $this->__iterate($name, $args[0]);
}
break;
case 'addClass':
case 'removeClass':
case 'hasClass':
case 'toggleClass':
$data = $this->literal() . ".{$name}Name(\"{$args[0]}\");";
break;
case 'clone':
case 'inspect':
case 'keys':
case 'values':
$data = "Object.{$name}(" . $this->literal() . ");";
break;
case 'extend':
$data = "Object.extend(" . $this->literal() . ", {$args[0]});";
break;
case '...':
// Handle other methods here
// including interfaces to load other files on-the-fly
// that add support for additional methods/replacing existing methods
break;
default:
$data = $this->literal() . '.' . $name . '();';
break;
}
if ($this->__parent->output) {
echo $data;
} else {
return $data;
}
}
function __iterate($method, $data) {
return '$$("' . $this->pattern . '").' . $method . '(function(item) {' . $data . '});';
}
function setParent(&$parent) {
$this->__parent =& $parent;
}
function __options($opts) {
$options = array();
foreach ($opts as $key => $val) {
if (!is_int($val)) {
$val = '"' . $val . '"';
}
$options[] = $key . ':' . $val;
}
return join(', ', $options);
}
}
?>