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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* A static renderer for HTML_QuickForm compatible
* with HTML_Template_IT and HTML_Template_Sigma.
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.01 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_01.txt If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category HTML
* @package HTML_QuickForm
* @author Bertrand Mansion <bmansion@mamasam.com>
* @copyright 2001-2011 The PHP Group
* @license http://www.php.net/license/3_01.txt PHP License 3.01
* @version CVS: $Id$
* @link http://pear.php.net/package/HTML_QuickForm
*/
/**
* An abstract base class for QuickForm renderers
*/
require_once 'HTML/QuickForm/Renderer.php';
/**
* A static renderer for HTML_QuickForm compatible
* with HTML_Template_IT and HTML_Template_Sigma.
*
* As opposed to the dynamic renderer, this renderer needs
* every elements and labels in the form to be specified by
* placeholders at the position you want them to be displayed.
*
* @category HTML
* @package HTML_QuickForm
* @author Bertrand Mansion <bmansion@mamasam.com>
* @version Release: 3.2.16
* @since 3.0
*/
class HTML_QuickForm_Renderer_ITStatic extends HTML_QuickForm_Renderer
{
/**#@+
* @access private
*/
/**
* An HTML_Template_IT or some other API compatible Template instance
* @var object
*/
var $_tpl = null;
/**
* Rendered form name
* @var string
*/
var $_formName = 'form';
/**
* The errors that were not shown near concrete fields go here
* @var array
*/
var $_errors = array();
/**
* Show the block with required note?
* @var bool
*/
var $_showRequired = false;
/**
* Which group are we currently parsing ?
* @var string
*/
var $_inGroup;
/**
* Index of the element in its group
* @var int
*/
var $_elementIndex = 0;
/**
* If elements have been added with the same name
* @var array
*/
var $_duplicateElements = array();
/**
* How to handle the required tag for required fields
* @var string
*/
var $_required = '{label}<font size="1" color="red">*</font>';
/**
* How to handle error messages in form validation
* @var string
*/
var $_error = '<font color="red">{error}</font><br />{html}';
/**
* Collected HTML for hidden elements, if needed
* @var string
*/
var $_hidden = '';
/**#@-*/
/**
* Constructor
*
* @param HTML_Template_IT|HTML_Template_Sigma Template object to use
*/
function HTML_QuickForm_Renderer_ITStatic(&$tpl)
{
$this->HTML_QuickForm_Renderer();
$this->_tpl =& $tpl;
} // end constructor
/**
* Called when visiting a form, before processing any form elements
*
* @param HTML_QuickForm form object being visited
* @access public
* @return void
*/
function startForm(&$form)
{
$this->_formName = $form->getAttribute('id');
if (count($form->_duplicateIndex) > 0) {
// Take care of duplicate elements
foreach ($form->_duplicateIndex as $elementName => $indexes) {
$this->_duplicateElements[$elementName] = 0;
}
}
} // end func startForm
/**
* Called when visiting a form, after processing all form elements
*
* @param HTML_QuickForm form object being visited
* @access public
* @return void
*/
function finishForm(&$form)
{
// display errors above form
if (!empty($this->_errors) && $this->_tpl->blockExists($this->_formName.'_error_loop')) {
foreach ($this->_errors as $error) {
$this->_tpl->setVariable($this->_formName.'_error', $error);
$this->_tpl->parse($this->_formName.'_error_loop');
}
}
// show required note
if ($this->_showRequired) {
$this->_tpl->setVariable($this->_formName.'_required_note', $form->getRequiredNote());
}
// add hidden elements, if collected
if (!empty($this->_hidden)) {
$this->_tpl->setVariable($this->_formName . '_hidden', $this->_hidden);
}
// assign form attributes
$this->_tpl->setVariable($this->_formName.'_attributes', $form->getAttributes(true));
// assign javascript validation rules
$this->_tpl->setVariable($this->_formName.'_javascript', $form->getValidationScript());
} // end func finishForm
/**
* Called when visiting a header element
*
* @param HTML_QuickForm_header header element being visited
* @access public
* @return void
*/
function renderHeader(&$header)
{
$name = $header->getName();
$varName = $this->_formName.'_header';
// Find placeHolder
if (!empty($name) && $this->_tpl->placeHolderExists($this->_formName.'_header_'.$name)) {
$varName = $this->_formName.'_header_'.$name;
}
$this->_tpl->setVariable($varName, $header->toHtml());
} // end func renderHeader
/**
* Called when visiting an element
*
* @param HTML_QuickForm_element form element being visited
* @param bool Whether an element is required
* @param string An error message associated with an element
* @access public
* @return void
*/
function renderElement(&$element, $required, $error)
{
$name = $element->getName();
// are we inside a group?
if (!empty($this->_inGroup)) {
$varName = $this->_formName.'_'.str_replace(array('[', ']'), '_', $name);
if (substr($varName, -2) == '__') {
// element name is of type : group[]
$varName = $this->_inGroup.'_'.$this->_elementIndex.'_';
$this->_elementIndex++;
}
if ($varName != $this->_inGroup) {
$varName .= '_' == substr($varName, -1)? '': '_';
// element name is of type : group[name]
$label = $element->getLabel();
$html = $element->toHtml();
if ($required && !$element->isFrozen()) {
$this->_renderRequired($label, $html);
$this->_showRequired = true;
}
if (!empty($label)) {
if (is_array($label)) {
foreach ($label as $key => $value) {
$this->_tpl->setVariable($varName.'label_'.$key, $value);
}
} else {
$this->_tpl->setVariable($varName.'label', $label);
}
}
$this->_tpl->setVariable($varName.'html', $html);
}
} else {
$name = str_replace(array('[', ']'), array('_', ''), $name);
if (isset($this->_duplicateElements[$name])) {
// Element is a duplicate
$varName = $this->_formName.'_'.$name.'_'.$this->_duplicateElements[$name];
$this->_duplicateElements[$name]++;
} else {
$varName = $this->_formName.'_'.$name;
}
$label = $element->getLabel();
$html = $element->toHtml();
if ($required) {
$this->_showRequired = true;
$this->_renderRequired($label, $html);
}
if (!empty($error)) {
$this->_renderError($label, $html, $error);
}
if (is_array($label)) {
foreach ($label as $key => $value) {
$this->_tpl->setVariable($varName.'_label_'.$key, $value);
}
} else {
$this->_tpl->setVariable($varName.'_label', $label);
}
$this->_tpl->setVariable($varName.'_html', $html);
}
} // end func renderElement
/**
* Called when visiting a hidden element
*
* @param HTML_QuickForm_element hidden element being visited
* @access public
* @return void
*/
function renderHidden(&$element)
{
if ($this->_tpl->placeholderExists($this->_formName . '_hidden')) {
$this->_hidden .= $element->toHtml();
} else {
$name = $element->getName();
$name = str_replace(array('[', ']'), array('_', ''), $name);
$this->_tpl->setVariable($this->_formName.'_'.$name.'_html', $element->toHtml());
}
} // end func renderHidden
/**
* Called when visiting a group, before processing any group elements
*
* @param HTML_QuickForm_group group being visited
* @param bool Whether a group is required
* @param string An error message associated with a group
* @access public
* @return void
*/
function startGroup(&$group, $required, $error)
{
$name = $group->getName();
$varName = $this->_formName.'_'.$name;
$this->_elementIndex = 0;
$html = $this->_tpl->placeholderExists($varName.'_html') ? $group->toHtml() : '';
$label = $group->getLabel();
if ($required) {
$this->_renderRequired($label, $html);
}
if (!empty($error)) {
$this->_renderError($label, $html, $error);
}
if (!empty($html)) {
$this->_tpl->setVariable($varName.'_html', $html);
} else {
// Uses error blocks to set the special groups layout error
// <!-- BEGIN form_group_error -->{form_group_error}<!-- END form_group_error -->
if (!empty($error)) {
if ($this->_tpl->placeholderExists($varName.'_error')) {
if ($this->_tpl->blockExists($this->_formName . '_error_block')) {
$this->_tpl->setVariable($this->_formName . '_error', $error);
$error = $this->_getTplBlock($this->_formName . '_error_block');
} elseif (strpos($this->_error, '{html}') !== false || strpos($this->_error, '{label}') !== false) {
$error = str_replace('{error}', $error, $this->_error);
}
}
$this->_tpl->setVariable($varName . '_error', $error);
array_pop($this->_errors);
}
}
if (is_array($label)) {
foreach ($label as $key => $value) {
$this->_tpl->setVariable($varName.'_label_'.$key, $value);
}
} else {
$this->_tpl->setVariable($varName.'_label', $label);
}
$this->_inGroup = $varName;
} // end func startGroup
/**
* Called when visiting a group, after processing all group elements
*
* @param HTML_QuickForm_group group being visited
* @access public
* @return void
*/
function finishGroup(&$group)
{
$this->_inGroup = '';
} // end func finishGroup
/**
* Sets the way required elements are rendered
*
* You can use {label} or {html} placeholders to let the renderer know where
* where the element label or the element html are positionned according to the
* required tag. They will be replaced accordingly with the right value.
* For example:
* <font color="red">*</font>{label}
* will put a red star in front of the label if the element is required.
*
* @param string The required element template
* @access public
* @return void
*/
function setRequiredTemplate($template)
{
$this->_required = $template;
} // end func setRequiredTemplate
/**
* Sets the way elements with validation errors are rendered
*
* You can use {label} or {html} placeholders to let the renderer know where
* where the element label or the element html are positionned according to the
* error message. They will be replaced accordingly with the right value.
* The error message will replace the {error} place holder.
* For example:
* <font color="red">{error}</font><br />{html}
* will put the error message in red on top of the element html.
*
* If you want all error messages to be output in the main error block, do not specify
* {html} nor {label}.
*
* Groups can have special layouts. With this kind of groups, the renderer will need
* to know where to place the error message. In this case, use error blocks like:
* <!-- BEGIN form_group_error -->{form_group_error}<!-- END form_group_error -->
* where you want the error message to appear in the form.
*
* @param string The element error template
* @access public
* @return void
*/
function setErrorTemplate($template)
{
$this->_error = $template;
} // end func setErrorTemplate
/**
* Called when an element is required
*
* This method will add the required tag to the element label and/or the element html
* such as defined with the method setRequiredTemplate
*
* @param string The element label
* @param string The element html rendering
* @see setRequiredTemplate()
* @access private
* @return void
*/
function _renderRequired(&$label, &$html)
{
if ($this->_tpl->blockExists($tplBlock = $this->_formName . '_required_block')) {
if (!empty($label) && $this->_tpl->placeholderExists($this->_formName . '_label', $tplBlock)) {
$this->_tpl->setVariable($this->_formName . '_label', is_array($label)? $label[0]: $label);
if (is_array($label)) {
$label[0] = $this->_getTplBlock($tplBlock);
} else {
$label = $this->_getTplBlock($tplBlock);
}
}
if (!empty($html) && $this->_tpl->placeholderExists($this->_formName . '_html', $tplBlock)) {
$this->_tpl->setVariable($this->_formName . '_html', $html);
$html = $this->_getTplBlock($tplBlock);
}
} else {
if (!empty($label) && strpos($this->_required, '{label}') !== false) {
if (is_array($label)) {
$label[0] = str_replace('{label}', $label[0], $this->_required);
} else {
$label = str_replace('{label}', $label, $this->_required);
}
}
if (!empty($html) && strpos($this->_required, '{html}') !== false) {
$html = str_replace('{html}', $html, $this->_required);
}
}
} // end func _renderRequired
/**
* Called when an element has a validation error
*
* This method will add the error message to the element label or the element html
* such as defined with the method setErrorTemplate. If the error placeholder is not found
* in the template, the error will be displayed in the form error block.
*
* @param string The element label
* @param string The element html rendering
* @param string The element error
* @see setErrorTemplate()
* @access private
* @return void
*/
function _renderError(&$label, &$html, $error)
{
if ($this->_tpl->blockExists($tplBlock = $this->_formName . '_error_block')) {
$this->_tpl->setVariable($this->_formName . '_error', $error);
if (!empty($label) && $this->_tpl->placeholderExists($this->_formName . '_label', $tplBlock)) {
$this->_tpl->setVariable($this->_formName . '_label', is_array($label)? $label[0]: $label);
if (is_array($label)) {
$label[0] = $this->_getTplBlock($tplBlock);
} else {
$label = $this->_getTplBlock($tplBlock);
}
} elseif (!empty($html) && $this->_tpl->placeholderExists($this->_formName . '_html', $tplBlock)) {
$this->_tpl->setVariable($this->_formName . '_html', $html);
$html = $this->_getTplBlock($tplBlock);
}
// clean up after ourselves
$this->_tpl->setVariable($this->_formName . '_error', null);
} elseif (!empty($label) && strpos($this->_error, '{label}') !== false) {
if (is_array($label)) {
$label[0] = str_replace(array('{label}', '{error}'), array($label[0], $error), $this->_error);
} else {
$label = str_replace(array('{label}', '{error}'), array($label, $error), $this->_error);
}
} elseif (!empty($html) && strpos($this->_error, '{html}') !== false) {
$html = str_replace(array('{html}', '{error}'), array($html, $error), $this->_error);
} else {
$this->_errors[] = $error;
}
}// end func _renderError
/**
* Returns the block's contents
*
* The method is needed because ITX and Sigma implement clearing
* the block contents on get() a bit differently
*
* @param string Block name
* @return string Block contents
*/
function _getTplBlock($block)
{
$this->_tpl->parse($block);
if (is_a($this->_tpl, 'html_template_sigma')) {
$ret = $this->_tpl->get($block, true);
} else {
$oldClear = $this->_tpl->clearCache;
$this->_tpl->clearCache = true;
$ret = $this->_tpl->get($block);
$this->_tpl->clearCache = $oldClear;
}
return $ret;
}
} // end class HTML_QuickForm_Renderer_ITStatic
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