mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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601 lines
No EOL
18 KiB
PHP
601 lines
No EOL
18 KiB
PHP
<?php
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/**
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* JsEngineBaseClass
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*
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* PHP 5
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*
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* CakePHP : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2011, Cake Software Foundation, Inc.
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2011, Cake Software Foundation, Inc.
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* @link http://cakephp.org CakePHP Project
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* @package cake.view.helpers
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* @since CakePHP v 2.0
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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App::uses('AppHelper', 'View/Helper');
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/**
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* JsEngineBaseClass
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*
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* Abstract Base Class for All JsEngines to extend. Provides generic methods.
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*
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* @package cake.view.helpers
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*/
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abstract class JsBaseEngineHelper extends AppHelper {
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/**
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* The js snippet for the current selection.
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*
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* @var string
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* @access public
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*/
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public $selection;
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/**
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* Collection of option maps. Option maps allow other helpers to use generic names for engine
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* callbacks and options. Allowing uniform code access for all engine types. Their use is optional
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* for end user use though.
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*
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* @var array
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* @access protected
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*/
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protected $_optionMap = array();
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/**
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* An array of lowercase method names in the Engine that are buffered unless otherwise disabled.
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* This allows specific 'end point' methods to be automatically buffered by the JsHelper.
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*
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* @var array
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* @access public
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*/
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public $bufferedMethods = array('event', 'sortable', 'drag', 'drop', 'slider');
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/**
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* Contains a list of callback names -> default arguments.
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*
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* @var array
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* @access protected
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*/
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protected $_callbackArguments = array();
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/**
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* Constructor.
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*
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*/
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function __construct($View, $settings = array()) {
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parent::__construct($View, $settings);
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}
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/**
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* Create an `alert()` message in Javascript
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*
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* @param string $message Message you want to alter.
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* @return string completed alert()
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*/
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public function alert($message) {
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return 'alert("' . $this->escape($message) . '");';
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}
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/**
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* Redirects to a URL. Creates a window.location modification snippet
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* that can be used to trigger 'redirects' from Javascript.
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*
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* @param mixed $url
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* @param array $options
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* @return string completed redirect in javascript
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*/
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public function redirect($url = null) {
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return 'window.location = "' . Router::url($url) . '";';
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}
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/**
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* Create a `confirm()` message
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*
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* @param string $message Message you want confirmed.
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* @return string completed confirm()
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*/
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public function confirm($message) {
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return 'confirm("' . $this->escape($message) . '");';
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}
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/**
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* Generate a confirm snippet that returns false from the current
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* function scope.
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*
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* @param string $message Message to use in the confirm dialog.
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* @return string completed confirm with return script
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*/
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public function confirmReturn($message) {
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$out = 'var _confirm = ' . $this->confirm($message);
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$out .= "if (!_confirm) {\n\treturn false;\n}";
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return $out;
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}
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/**
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* Create a `prompt()` Javascript function
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*
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* @param string $message Message you want to prompt.
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* @param string $default Default message
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* @return string completed prompt()
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*/
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public function prompt($message, $default = '') {
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return 'prompt("' . $this->escape($message) . '", "' . $this->escape($default) . '");';
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}
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/**
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* Generates a JavaScript object in JavaScript Object Notation (JSON)
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* from an array. Will use native JSON encode method if available, and $useNative == true
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*
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* ### Options:
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*
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* - `prefix` - String prepended to the returned data.
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* - `postfix` - String appended to the returned data.
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*
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* @param array $data Data to be converted.
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* @param array $options Set of options, see above.
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* @return string A JSON code block
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*/
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public function object($data = array(), $options = array()) {
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$defaultOptions = array(
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'prefix' => '', 'postfix' => '',
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);
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$options = array_merge($defaultOptions, $options);
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return $options['prefix'] . json_encode($data) . $options['postfix'];
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}
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/**
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* Converts a PHP-native variable of any type to a JSON-equivalent representation
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*
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* @param mixed $val A PHP variable to be converted to JSON
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* @param boolean $quoteStrings If false, leaves string values unquoted
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* @return string a JavaScript-safe/JSON representation of $val
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*/
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public function value($val, $quoteString = true) {
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switch (true) {
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case (is_array($val) || is_object($val)):
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$val = $this->object($val);
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break;
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case ($val === null):
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$val = 'null';
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break;
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case (is_bool($val)):
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$val = ($val === true) ? 'true' : 'false';
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break;
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case (is_int($val)):
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$val = $val;
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break;
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case (is_float($val)):
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$val = sprintf("%.11f", $val);
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break;
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default:
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$val = $this->escape($val);
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if ($quoteString) {
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$val = '"' . $val . '"';
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}
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break;
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}
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return $val;
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}
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/**
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* Escape a string to be JSON friendly.
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*
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* List of escaped elements:
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*
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* - "\r" => '\n'
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* - "\n" => '\n'
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* - '"' => '\"'
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*
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* @param string $script String that needs to get escaped.
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* @return string Escaped string.
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*/
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public function escape($string) {
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return $this->_utf8ToHex($string);
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}
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/**
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* Encode a string into JSON. Converts and escapes necessary characters.
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*
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* @param string $string The string that needs to be utf8->hex encoded
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* @return void
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*/
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protected function _utf8ToHex($string) {
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$length = strlen($string);
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$return = '';
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for ($i = 0; $i < $length; ++$i) {
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$ord = ord($string{$i});
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switch (true) {
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case $ord == 0x08:
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$return .= '\b';
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break;
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case $ord == 0x09:
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$return .= '\t';
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break;
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case $ord == 0x0A:
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$return .= '\n';
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break;
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case $ord == 0x0C:
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$return .= '\f';
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break;
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case $ord == 0x0D:
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$return .= '\r';
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break;
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case $ord == 0x22:
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case $ord == 0x2F:
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case $ord == 0x5C:
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$return .= '\\' . $string{$i};
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break;
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case (($ord >= 0x20) && ($ord <= 0x7F)):
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$return .= $string{$i};
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break;
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case (($ord & 0xE0) == 0xC0):
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if ($i + 1 >= $length) {
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$i += 1;
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$return .= '?';
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break;
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}
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$charbits = $string{$i} . $string{$i + 1};
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$char = Multibyte::utf8($charbits);
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$return .= sprintf('\u%04s', dechex($char[0]));
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$i += 1;
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break;
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case (($ord & 0xF0) == 0xE0):
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if ($i + 2 >= $length) {
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$i += 2;
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$return .= '?';
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break;
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}
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$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2};
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$char = Multibyte::utf8($charbits);
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$return .= sprintf('\u%04s', dechex($char[0]));
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$i += 2;
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break;
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case (($ord & 0xF8) == 0xF0):
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if ($i + 3 >= $length) {
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$i += 3;
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$return .= '?';
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break;
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}
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$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2} . $string{$i + 3};
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$char = Multibyte::utf8($charbits);
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$return .= sprintf('\u%04s', dechex($char[0]));
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$i += 3;
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break;
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case (($ord & 0xFC) == 0xF8):
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if ($i + 4 >= $length) {
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$i += 4;
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$return .= '?';
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break;
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}
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$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2} . $string{$i + 3} . $string{$i + 4};
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$char = Multibyte::utf8($charbits);
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$return .= sprintf('\u%04s', dechex($char[0]));
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$i += 4;
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break;
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case (($ord & 0xFE) == 0xFC):
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if ($i + 5 >= $length) {
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$i += 5;
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$return .= '?';
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break;
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}
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$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2} . $string{$i + 3} . $string{$i + 4} . $string{$i + 5};
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$char = Multibyte::utf8($charbits);
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$return .= sprintf('\u%04s', dechex($char[0]));
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$i += 5;
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break;
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}
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}
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return $return;
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}
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/**
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* Create javascript selector for a CSS rule
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*
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* @param string $selector The selector that is targeted
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* @return object instance of $this. Allows chained methods.
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*/
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abstract public function get($selector);
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/**
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* Add an event to the script cache. Operates on the currently selected elements.
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*
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* ### Options
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*
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* - `wrap` - Whether you want the callback wrapped in an anonymous function. (defaults to true)
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* - `stop` - Whether you want the event to stopped. (defaults to true)
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*
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* @param string $type Type of event to bind to the current dom id
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* @param string $callback The Javascript function you wish to trigger or the function literal
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* @param array $options Options for the event.
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* @return string completed event handler
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*/
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abstract public function event($type, $callback, $options = array());
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/**
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* Create a domReady event. This is a special event in many libraries
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*
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* @param string $functionBody The code to run on domReady
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* @return string completed domReady method
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*/
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abstract public function domReady($functionBody);
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/**
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* Create an iteration over the current selection result.
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*
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* @param string $callback The function body you wish to apply during the iteration.
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* @return string completed iteration
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*/
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abstract public function each($callback);
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/**
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* Trigger an Effect.
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*
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* ### Supported Effects
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*
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* The following effects are supported by all core JsEngines
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*
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* - `show` - reveal an element.
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* - `hide` - hide an element.
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* - `fadeIn` - Fade in an element.
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* - `fadeOut` - Fade out an element.
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* - `slideIn` - Slide an element in.
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* - `slideOut` - Slide an element out.
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*
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* ### Options
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*
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* - `speed` - Speed at which the animation should occur. Accepted values are 'slow', 'fast'. Not all effects use
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* the speed option.
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*
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* @param string $name The name of the effect to trigger.
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* @param array $options Array of options for the effect.
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* @return string completed string with effect.
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*/
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abstract public function effect($name, $options = array());
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/**
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* Make an XHR request
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*
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* ### Event Options
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*
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* - `complete` - Callback to fire on complete.
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* - `success` - Callback to fire on success.
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* - `before` - Callback to fire on request initialization.
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* - `error` - Callback to fire on request failure.
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*
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* ### Options
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*
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* - `method` - The method to make the request with defaults to GET in more libraries
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* - `async` - Whether or not you want an asynchronous request.
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* - `data` - Additional data to send.
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* - `update` - Dom id to update with the content of the request.
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* - `type` - Data type for response. 'json' and 'html' are supported. Default is html for most libraries.
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* - `evalScripts` - Whether or not <script> tags should be eval'ed.
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* - `dataExpression` - Should the `data` key be treated as a callback. Useful for supplying `$options['data']` as
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* another Javascript expression.
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*
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* @param mixed $url Array or String URL to target with the request.
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* @param array $options Array of options. See above for cross library supported options
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* @return string XHR request.
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*/
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abstract public function request($url, $options = array());
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/**
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* Create a draggable element. Works on the currently selected element.
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* Additional options may be supported by the library implementation.
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*
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* ### Options
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*
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* - `handle` - selector to the handle element.
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* - `snapGrid` - The pixel grid that movement snaps to, an array(x, y)
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* - `container` - The element that acts as a bounding box for the draggable element.
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*
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* ### Event Options
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*
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* - `start` - Event fired when the drag starts
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* - `drag` - Event fired on every step of the drag
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* - `stop` - Event fired when dragging stops (mouse release)
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*
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* @param array $options Options array see above.
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* @return string Completed drag script
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*/
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abstract public function drag($options = array());
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/**
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* Create a droppable element. Allows for draggable elements to be dropped on it.
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* Additional options may be supported by the library implementation.
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*
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* ### Options
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*
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* - `accept` - Selector for elements this droppable will accept.
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* - `hoverclass` - Class to add to droppable when a draggable is over.
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*
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* ### Event Options
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*
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* - `drop` - Event fired when an element is dropped into the drop zone.
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* - `hover` - Event fired when a drag enters a drop zone.
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* - `leave` - Event fired when a drag is removed from a drop zone without being dropped.
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*
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* @return string Completed drop script
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*/
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abstract public function drop($options = array());
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/**
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* Create a sortable element.
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* Additional options may be supported by the library implementation.
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*
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* ### Options
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*
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* - `containment` - Container for move action
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* - `handle` - Selector to handle element. Only this element will start sort action.
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* - `revert` - Whether or not to use an effect to move sortable into final position.
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* - `opacity` - Opacity of the placeholder
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* - `distance` - Distance a sortable must be dragged before sorting starts.
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*
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* ### Event Options
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*
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* - `start` - Event fired when sorting starts
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* - `sort` - Event fired during sorting
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* - `complete` - Event fired when sorting completes.
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*
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* @param array $options Array of options for the sortable. See above.
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* @return string Completed sortable script.
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*/
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abstract public function sortable($options = array());
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/**
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* Create a slider UI widget. Comprised of a track and knob.
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* Additional options may be supported by the library implementation.
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*
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* ### Options
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*
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* - `handle` - The id of the element used in sliding.
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* - `direction` - The direction of the slider either 'vertical' or 'horizontal'
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* - `min` - The min value for the slider.
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* - `max` - The max value for the slider.
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* - `step` - The number of steps or ticks the slider will have.
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* - `value` - The initial offset of the slider.
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*
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* ### Events
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*
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* - `change` - Fired when the slider's value is updated
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* - `complete` - Fired when the user stops sliding the handle
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*
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* @return string Completed slider script
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*/
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abstract public function slider($options = array());
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/**
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* Serialize the form attached to $selector.
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* Pass `true` for $isForm if the current selection is a form element.
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* Converts the form or the form element attached to the current selection into a string/json object
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* (depending on the library implementation) for use with XHR operations.
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*
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* ### Options
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*
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* - `isForm` - is the current selection a form, or an input? (defaults to false)
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* - `inline` - is the rendered statement going to be used inside another JS statement? (defaults to false)
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*
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* @param array $options options for serialization generation.
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* @return string completed form serialization script
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*/
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abstract public function serializeForm($options = array());
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/**
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* Parse an options assoc array into an Javascript object literal.
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* Similar to object() but treats any non-integer value as a string,
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* does not include `{ }`
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*
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* @param array $options Options to be converted
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* @param array $safeKeys Keys that should not be escaped.
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* @return string Parsed JSON options without enclosing { }.
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*/
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protected function _parseOptions($options, $safeKeys = array()) {
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$out = array();
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$safeKeys = array_flip($safeKeys);
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foreach ($options as $key => $value) {
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if (!is_int($value) && !isset($safeKeys[$key])) {
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$value = $this->value($value);
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}
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$out[] = $key . ':' . $value;
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}
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sort($out);
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return join(', ', $out);
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}
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/**
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* Maps Abstract options to engine specific option names.
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* If attributes are missing from the map, they are not changed.
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*
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* @param string $method Name of method whose options are being worked with.
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* @param array $options Array of options to map.
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* @return array Array of mapped options.
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*/
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protected function _mapOptions($method, $options) {
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if (!isset($this->_optionMap[$method])) {
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return $options;
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}
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foreach ($this->_optionMap[$method] as $abstract => $concrete) {
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if (isset($options[$abstract])) {
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$options[$concrete] = $options[$abstract];
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unset($options[$abstract]);
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}
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}
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return $options;
|
|
}
|
|
|
|
/**
|
|
* Prepare callbacks and wrap them with function ([args]) { } as defined in
|
|
* _callbackArgs array.
|
|
*
|
|
* @param string $method Name of the method you are preparing callbacks for.
|
|
* @param array $options Array of options being parsed
|
|
* @param string $callbacks Additional Keys that contain callbacks
|
|
* @return array Array of options with callbacks added.
|
|
*/
|
|
protected function _prepareCallbacks($method, $options, $callbacks = array()) {
|
|
$wrapCallbacks = true;
|
|
if (isset($options['wrapCallbacks'])) {
|
|
$wrapCallbacks = $options['wrapCallbacks'];
|
|
}
|
|
unset($options['wrapCallbacks']);
|
|
if (!$wrapCallbacks) {
|
|
return $options;
|
|
}
|
|
$callbackOptions = array();
|
|
if (isset($this->_callbackArguments[$method])) {
|
|
$callbackOptions = $this->_callbackArguments[$method];
|
|
}
|
|
$callbacks = array_unique(array_merge(array_keys($callbackOptions), (array)$callbacks));
|
|
|
|
foreach ($callbacks as $callback) {
|
|
if (empty($options[$callback])) {
|
|
continue;
|
|
}
|
|
$args = null;
|
|
if (!empty($callbackOptions[$callback])) {
|
|
$args = $callbackOptions[$callback];
|
|
}
|
|
$options[$callback] = 'function (' . $args . ') {' . $options[$callback] . '}';
|
|
}
|
|
return $options;
|
|
}
|
|
|
|
/**
|
|
* Conveinence wrapper method for all common option processing steps.
|
|
* Runs _mapOptions, _prepareCallbacks, and _parseOptions in order.
|
|
*
|
|
* @param string $method Name of method processing options for.
|
|
* @param array $options Array of options to process.
|
|
* @return string Parsed options string.
|
|
*/
|
|
protected function _processOptions($method, $options) {
|
|
$options = $this->_mapOptions($method, $options);
|
|
$options = $this->_prepareCallbacks($method, $options);
|
|
$options = $this->_parseOptions($options, array_keys($this->_callbackArguments[$method]));
|
|
return $options;
|
|
}
|
|
|
|
/**
|
|
* Convert an array of data into a query string
|
|
*
|
|
* @param array $parameters Array of parameters to convert to a query string
|
|
* @return string Querystring fragment
|
|
*/
|
|
protected function _toQuerystring($parameters) {
|
|
$out = '';
|
|
$keys = array_keys($parameters);
|
|
$count = count($parameters);
|
|
for ($i = 0; $i < $count; $i++) {
|
|
$out .= $keys[$i] . '=' . $parameters[$keys[$i]];
|
|
if ($i < $count - 1) {
|
|
$out .= '&';
|
|
}
|
|
}
|
|
return $out;
|
|
}
|
|
} |