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- <?php
- /**
- * Static Factory class for HTML_QuickForm2 package
- *
- * PHP version 5
- *
- * LICENSE:
- *
- * Copyright (c) 2006, 2007, Alexey Borzov <avb@php.net>,
- * Bertrand Mansion <golgote@mamasam.com>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * The names of the authors may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * @category HTML
- * @package HTML_QuickForm2
- * @author Alexey Borzov <avb@php.net>
- * @author Bertrand Mansion <golgote@mamasam.com>
- * @license http://opensource.org/licenses/bsd-license.php New BSD License
- * @version CVS: $Id: Factory.php,v 1.23 2007/10/14 18:58:31 avb Exp $
- * @link http://pear.php.net/package/HTML_QuickForm2
- */
-
- /**
- * Exception classes for HTML_QuickForm2
- */
- require_once 'HTML/QuickForm2/Exception.php';
-
- /**
- * Static factory class
- *
- * The class handles instantiation of Element and Rule objects as well as
- * registering of new Element and Rule classes.
- *
- * @category HTML
- * @package HTML_QuickForm2
- * @author Alexey Borzov <avb@php.net>
- * @author Bertrand Mansion <golgote@mamasam.com>
- * @version Release: 0.2.0
- */
- class HTML_QuickForm2_Factory
- {
- /**
- * List of element types known to Factory
- * @var array
- */
- protected static $elementTypes = array(
- 'button' => array('HTML_QuickForm2_Element_Button',
- 'HTML/QuickForm2/Element/Button.php'),
- 'checkbox' => array('HTML_QuickForm2_Element_InputCheckbox',
- 'HTML/QuickForm2/Element/InputCheckbox.php'),
- 'fieldset' => array('HTML_QuickForm2_Container_Fieldset',
- 'HTML/QuickForm2/Container/Fieldset.php'),
- 'file' => array('HTML_QuickForm2_Element_InputFile',
- 'HTML/QuickForm2/Element/InputFile.php'),
- 'hidden' => array('HTML_QuickForm2_Element_InputHidden',
- 'HTML/QuickForm2/Element/InputHidden.php'),
- 'image' => array('HTML_QuickForm2_Element_InputImage',
- 'HTML/QuickForm2/Element/InputImage.php'),
- 'inputbutton' => array('HTML_QuickForm2_Element_InputButton',
- 'HTML/QuickForm2/Element/InputButton.php'),
- 'password' => array('HTML_QuickForm2_Element_InputPassword',
- 'HTML/QuickForm2/Element/InputPassword.php'),
- 'radio' => array('HTML_QuickForm2_Element_InputRadio',
- 'HTML/QuickForm2/Element/InputRadio.php'),
- 'reset' => array('HTML_QuickForm2_Element_InputReset',
- 'HTML/QuickForm2/Element/InputReset.php'),
- 'select' => array('HTML_QuickForm2_Element_Select',
- 'HTML/QuickForm2/Element/Select.php'),
- 'submit' => array('HTML_QuickForm2_Element_InputSubmit',
- 'HTML/QuickForm2/Element/InputSubmit.php'),
- 'text' => array('HTML_QuickForm2_Element_InputText',
- 'HTML/QuickForm2/Element/InputText.php'),
- 'textarea' => array('HTML_QuickForm2_Element_Textarea',
- 'HTML/QuickForm2/Element/Textarea.php')
- );
-
- /**
- * List of registered rules
- * @var array
- */
- protected static $registeredRules = array(
- 'nonempty' => array('HTML_QuickForm2_Rule_Nonempty',
- 'HTML/QuickForm2/Rule/Nonempty.php'),
- 'empty' => array('HTML_QuickForm2_Rule_Empty',
- 'HTML/QuickForm2/Rule/Empty.php'),
- 'required' => array('HTML_QuickForm2_Rule_Required',
- 'HTML/QuickForm2/Rule/Required.php'),
- 'compare' => array('HTML_QuickForm2_Rule_Compare',
- 'HTML/QuickForm2/Rule/Compare.php'),
- 'eq' => array('HTML_QuickForm2_Rule_Compare',
- 'HTML/QuickForm2/Rule/Compare.php',
- array('operator' => '===')),
- 'neq' => array('HTML_QuickForm2_Rule_Compare',
- 'HTML/QuickForm2/Rule/Compare.php',
- array('operator' => '!==')),
- 'lt' => array('HTML_QuickForm2_Rule_Compare',
- 'HTML/QuickForm2/Rule/Compare.php',
- array('operator' => '<')),
- 'lte' => array('HTML_QuickForm2_Rule_Compare',
- 'HTML/QuickForm2/Rule/Compare.php',
- array('operator' => '<=')),
- 'gt' => array('HTML_QuickForm2_Rule_Compare',
- 'HTML/QuickForm2/Rule/Compare.php',
- array('operator' => '>')),
- 'gte' => array('HTML_QuickForm2_Rule_Compare',
- 'HTML/QuickForm2/Rule/Compare.php',
- array('operator' => '>=')),
- 'regex' => array('HTML_QuickForm2_Rule_Regex',
- 'HTML/QuickForm2/Rule/Regex.php'),
- 'callback' => array('HTML_QuickForm2_Rule_Callback',
- 'HTML/QuickForm2/Rule/Callback.php'),
- 'length' => array('HTML_QuickForm2_Rule_Length',
- 'HTML/QuickForm2/Rule/Length.php'),
- 'minlength' => array('HTML_QuickForm2_Rule_Length',
- 'HTML/QuickForm2/Rule/Length.php',
- array('max' => 0)),
- 'maxlength' => array('HTML_QuickForm2_Rule_Length',
- 'HTML/QuickForm2/Rule/Length.php',
- array('min' => 0)),
- 'maxfilesize' => array('HTML_QuickForm2_Rule_MaxFileSize',
- 'HTML/QuickForm2/Rule/MaxFileSize.php'),
- 'mimetype' => array('HTML_QuickForm2_Rule_MimeType',
- 'HTML/QuickForm2/Rule/MimeType.php')
- );
-
-
- /**
- * Checks whether the file exists in the include path
- *
- * @param string file name
- * @return bool
- */
- protected static function fileExists($fileName)
- {
- $fp = @fopen($fileName, 'r', true);
- if (is_resource($fp)) {
- fclose($fp);
- return true;
- }
- return false;
- }
-
- /**
- * Tries to load a given class from a given file
- *
- * @param string Class name to load
- * @param string Name of the file (supposedly) containing the given class
- * @throws HTML_QuickForm2_NotFoundException If the file either can't be
- * loaded or doesn't contain the given class
- */
- protected static function loadClass($className, $includeFile)
- {
- if (empty($includeFile)) {
- throw new HTML_QuickForm2_NotFoundException(
- "Class '$className' does not exist and no file to load"
- );
- } elseif (!self::fileExists($includeFile)) {
- throw new HTML_QuickForm2_NotFoundException("File '$includeFile' was not found");
- }
- // Do not silence the errors with @, parse errors will not be seen
- include_once $includeFile;
- // Still no class?
- if (!class_exists($className, false)) {
- throw new HTML_QuickForm2_NotFoundException(
- "Class '$className' was not found within file '$includeFile'"
- );
- }
- }
-
- /**
- * Registers a new element type
- *
- * @param string Type name (treated case-insensitively)
- * @param string Class name
- * @param string File containing the class, leave empty if class already loaded
- */
- public static function registerElement($type, $className, $includeFile = null)
- {
- self::$elementTypes[strtolower($type)] = array($className, $includeFile);
- }
-
-
- /**
- * Checks whether an element type is known to factory
- *
- * @param string Type name (treated case-insensitively)
- * @return bool
- */
- public static function isElementRegistered($type)
- {
- return isset(self::$elementTypes[strtolower($type)]);
- }
-
-
- /**
- * Creates a new element object of the given type
- *
- * @param string Type name (treated case-insensitively)
- * @param mixed Element name (passed to element's constructor)
- * @param mixed Element attributes (passed to element's constructor)
- * @param array Element-specific data (passed to element's constructor)
- * @return HTML_QuickForm2_Node A created element
- * @throws HTML_QuickForm2_InvalidArgumentException If type name is unknown
- * @throws HTML_QuickForm2_NotFoundException If class for the element can
- * not be found and/or loaded from file
- */
- public static function createElement($type, $name = null, $attributes = null,
- array $data = array())
- {
- $type = strtolower($type);
- if (!isset(self::$elementTypes[$type])) {
- throw new HTML_QuickForm2_InvalidArgumentException("Element type '$type' is not known");
- }
- list($className, $includeFile) = self::$elementTypes[$type];
- if (!class_exists($className, false)) {
- self::loadClass($className, $includeFile);
- }
- return new $className($name, $attributes, $data);
- }
-
-
- /**
- * Registers a new rule type
- *
- * @param string Rule type name (treated case-insensitively)
- * @param string Class name
- * @param string File containing the class, leave empty if class already loaded
- * @param mixed Configuration data for rules of the given type
- */
- public static function registerRule($type, $className, $includeFile = null,
- $config = null)
- {
- self::$registeredRules[strtolower($type)] = array($className, $includeFile, $config);
- }
-
-
- /**
- * Returns configuration data for rules of the given type
- *
- * @param string Rule type name (treated case-insensitively)
- * @return mixed Configuration data (set when registering the rule)
- * @throws HTML_QuickForm2_InvalidArgumentException If rule type is unknown
- */
- public static function getRuleConfig($type)
- {
- $type = strtolower($type);
- if (!isset(self::$registeredRules[$type])) {
- throw new HTML_QuickForm2_InvalidArgumentException("Rule '$type' is not known");
- } elseif (isset(self::$registeredRules[$type][2])) {
- return self::$registeredRules[$type][2];
- } else {
- return null;
- }
- }
-
-
- /**
- * Checks whether a rule type is known to Factory
- *
- * @param string Rule type name (treated case-insensitively)
- * @return bool
- */
- public static function isRuleRegistered($type)
- {
- return isset(self::$registeredRules[strtolower($type)]);
- }
-
-
- /**
- * Creates a new Rule of the given type
- *
- * @param string Rule type name (treated case-insensitively)
- * @param HTML_QuickForm2_Node Element to validate by the rule
- * @param string Message to display if validation fails
- * @param mixed Additional data for the rule
- * @return HTML_QuickForm2_Rule A created Rule
- * @throws HTML_QuickForm2_InvalidArgumentException If rule type is unknown
- * @throws HTML_QuickForm2_NotFoundException If class for the rule
- * can't be found and/or loaded from file
- */
- public static function createRule($type, HTML_QuickForm2_Node $owner,
- $message = '', $options = null)
- {
- $type = strtolower($type);
- if (!isset(self::$registeredRules[$type])) {
- throw new HTML_QuickForm2_InvalidArgumentException("Rule '$type' is not known");
- }
- list($className, $includeFile) = self::$registeredRules[$type];
- if (!class_exists($className, false)) {
- self::loadClass($className, $includeFile);
- }
- return new $className($owner, $message, $options, $type);
- }
- }
- ?>
-