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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | PHP version 4.0 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Author: Ron McClain <ron@humaniq.com> |
// +----------------------------------------------------------------------+
//
// $Id: Object.php,v 1.4 2005/06/17 20:00:57 avb Exp $
require_once('HTML/QuickForm/Renderer.php');
/**
* A concrete renderer for HTML_QuickForm, makes an object from form contents
*
* Based on HTML_Quickform_Renderer_Array code
*
* @access public
*/
class HTML_QuickForm_Renderer_Object extends HTML_QuickForm_Renderer
{
/**
* The object being generated
* @var object $_obj
*/
var $_obj= null;
/**
* Number of sections in the form (i.e. number of headers in it)
* @var integer $_sectionCount
*/
var $_sectionCount;
/**
* Current section number
* @var integer $_currentSection
*/
var $_currentSection;
/**
* Object representing current group
* @var object $_currentGroup
*/
var $_currentGroup = null;
/**
* Class of Element Objects
* @var object $_elementType
*/
var $_elementType = 'QuickFormElement';
/**
* Additional style information for different elements
* @var array $_elementStyles
*/
var $_elementStyles = array();
/**
* true: collect all hidden elements into string; false: process them as usual form elements
* @var bool $_collectHidden
*/
var $_collectHidden = false;
/**
* Constructor
*
* @param collecthidden bool true: collect all hidden elements
* @access public
*/
function HTML_QuickForm_Renderer_Object($collecthidden = false)
{
$this->HTML_QuickForm_Renderer();
$this->_collectHidden = $collecthidden;
$this->_obj = new QuickformForm;
}
/**
* Return the rendered Object
* @access public
*/
function toObject()
{
return $this->_obj;
}
/**
* Set the class of the form elements. Defaults to QuickformElement.
* @param type string Name of element class
* @access public
*/
function setElementType($type)
{
$this->_elementType = $type;
}
function startForm(&$form)
{
$this->_obj->frozen = $form->isFrozen();
$this->_obj->javascript = $form->getValidationScript();
$this->_obj->attributes = $form->getAttributes(true);
$this->_obj->requirednote = $form->getRequiredNote();
$this->_obj->errors = new StdClass;
if($this->_collectHidden) {
$this->_obj->hidden = '';
}
$this->_elementIdx = 1;
$this->_currentSection = null;
$this->_sectionCount = 0;
} // end func startForm
function renderHeader(&$header)
{
$hobj = new StdClass;
$hobj->header = $header->toHtml();
$this->_obj->sections[$this->_sectionCount] = $hobj;
$this->_currentSection = $this->_sectionCount++;
}
function renderElement(&$element, $required, $error)
{
$elObj = $this->_elementToObject($element, $required, $error);
if(!empty($error)) {
$name = $elObj->name;
$this->_obj->errors->$name = $error;
}
$this->_storeObject($elObj);
} // end func renderElement
function renderHidden(&$element)
{
if($this->_collectHidden) {
$this->_obj->hidden .= $element->toHtml() . "\n";
} else {
$this->renderElement($element, false, null);
}
} //end func renderHidden
function startGroup(&$group, $required, $error)
{
$this->_currentGroup = $this->_elementToObject($group, $required, $error);
if(!empty($error)) {
$name = $this->_currentGroup->name;
$this->_obj->errors->$name = $error;
}
} // end func startGroup
function finishGroup(&$group)
{
$this->_storeObject($this->_currentGroup);
$this->_currentGroup = null;
} // end func finishGroup
/**
* Creates an object representing an element
*
* @access private
* @param element object An HTML_QuickForm_element object
* @param required bool Whether an element is required
* @param error string Error associated with the element
* @return object
*/
function _elementToObject(&$element, $required, $error)
{
if($this->_elementType) {
$ret = new $this->_elementType;
}
$ret->name = $element->getName();
$ret->value = $element->getValue();
$ret->type = $element->getType();
$ret->frozen = $element->isFrozen();
$labels = $element->getLabel();
if (is_array($labels)) {
$ret->label = array_shift($labels);
foreach ($labels as $key => $label) {
$key = is_int($key)? $key + 2: $key;
$ret->{'label_' . $key} = $label;
}
} else {
$ret->label = $labels;
}
$ret->required = $required;
$ret->error = $error;
if(isset($this->_elementStyles[$ret->name])) {
$ret->style = $this->_elementStyles[$ret->name];
$ret->styleTemplate = "styles/". $ret->style .".html";
}
if($ret->type == 'group') {
$ret->separator = $element->_separator;
$ret->elements = array();
} else {
$ret->html = $element->toHtml();
}
return $ret;
}
/**
* Stores an object representation of an element in the form array
*
* @access private
* @param elObj object Object representation of an element
* @return void
*/
function _storeObject($elObj)
{
$name = $elObj->name;
if(is_object($this->_currentGroup) && $elObj->type != 'group') {
$this->_currentGroup->elements[] = $elObj;
} elseif (isset($this->_currentSection)) {
$this->_obj->sections[$this->_currentSection]->elements[] = $elObj;
} else {
$this->_obj->elements[] = $elObj;
}
}
function setElementStyle($elementName, $styleName = null)
{
if(is_array($elementName)) {
$this->_elementStyles = array_merge($this->_elementStyles, $elementName);
} else {
$this->_elementStyles[$elementName] = $styleName;
}
}
} // end class HTML_QuickForm_Renderer_Object
/**
* Convenience class for the form object passed to outputObject()
*
* Eg.
* {form.outputJavaScript():h}
* {form.outputHeader():h}
* <table>
* <tr>
* <td>{form.name.label:h}</td><td>{form.name.html:h}</td>
* </tr>
* </table>
* </form>
*/
class QuickformForm
{
/**
* Whether the form has been frozen
* @var boolean $frozen
*/
var $frozen;
/**
* Javascript for client-side validation
* @var string $javascript
*/
var $javascript;
/**
* Attributes for form tag
* @var string $attributes
*/
var $attributes;
/**
* Note about required elements
* @var string $requirednote
*/
var $requirednote;
/**
* Collected html of all hidden variables
* @var string $hidden
*/
var $hidden;
/**
* Set if there were validation errors.
* StdClass object with element names for keys and their
* error messages as values
* @var object $errors
*/
var $errors;
/**
* Array of QuickformElementObject elements. If there are headers in the form
* this will be empty and the elements will be in the
* separate sections
* @var array $elements
*/
var $elements;
/**
* Array of sections contained in the document
* @var array $sections
*/
var $sections;
/**
* Output <form> header
* {form.outputHeader():h}
* @return string <form attributes>
*/
function outputHeader()
{
return "<form " . $this->attributes . ">\n";
}
/**
* Output form javascript
* {form.outputJavaScript():h}
* @return string Javascript
*/
function outputJavaScript()
{
return $this->javascript;
}
} // end class QuickformForm
/**
* Convenience class describing a form element.
* The properties defined here will be available from
* your flexy templates by referencing
* {form.zip.label:h}, {form.zip.html:h}, etc.
*/
class QuickformElement
{
/**
* Element name
* @var string $name
*/
var $name;
/**
* Element value
* @var mixed $value
*/
var $value;
/**
* Type of element
* @var string $type
*/
var $type;
/**
* Whether the element is frozen
* @var boolean $frozen
*/
var $frozen;
/**
* Label for the element
* @var string $label
*/
var $label;
/**
* Whether element is required
* @var boolean $required
*/
var $required;
/**
* Error associated with the element
* @var string $error
*/
var $error;
/**
* Some information about element style
* @var string $style
*/
var $style;
/**
* HTML for the element
* @var string $html
*/
var $html;
/**
* If element is a group, the group separator
* @var mixed $separator
*/
var $separator;
/**
* If element is a group, an array of subelements
* @var array $elements
*/
var $elements;
function isType($type)
{
return ($this->type == $type);
}
function notFrozen()
{
return !$this->frozen;
}
function isButton()
{
return ($this->type == "submit" || $this->type == "reset");
}
/**
* XXX: why does it use Flexy when all other stuff here does not depend on it?
*/
function outputStyle()
{
ob_start();
HTML_Template_Flexy::staticQuickTemplate('styles/' . $this->style . '.html', $this);
$ret = ob_get_contents();
ob_end_clean();
return $ret;
}
} // end class QuickformElement
?>
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