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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. |
// +----------------------------------------------------------------------+
// | Authors: Alexey Borzov <borz_off@cs.msu.su> |
// | Adam Daniel <adaniel1@eesus.jnj.com> |
// | Bertrand Mansion <bmansion@mamasam.com> |
// +----------------------------------------------------------------------+
//
// $Id$
require_once('HTML/QuickForm/Renderer.php');
/**
* A concrete renderer for HTML_QuickForm,
* based on QuickForm 2.x built-in one
*
* @access public
*/
class HTML_QuickForm_Renderer_Default extends HTML_QuickForm_Renderer
{
/**
* The HTML of the form
* @var string
* @access private
*/
var $_html;
/**
* Header Template string
* @var string
* @access private
*/
var $_headerTemplate =
"\n\t<tr>\n\t\t<td style=\"white-space: nowrap; background-color: #CCCCCC;\" align=\"left\" valign=\"top\" colspan=\"2\"><b>{header}</b></td>\n\t</tr>";
/**
* Element template string
* @var string
* @access private
*/
var $_elementTemplate =
"\n\t<tr>\n\t\t<td align=\"right\" valign=\"top\"><!-- BEGIN required --><span style=\"color: #ff0000\">*</span><!-- END required --><b>{label}</b></td>\n\t\t<td valign=\"top\" align=\"left\"><!-- BEGIN error --><span style=\"color: #ff0000\">{error}</span><br /><!-- END error -->\t{element}</td>\n\t</tr>";
/**
* Form template string
* @var string
* @access private
*/
var $_formTemplate =
"\n<form{attributes}>\n<div>\n{hidden}<table border=\"0\">\n{content}\n</table>\n</div>\n</form>";
/**
* Required Note template string
* @var string
* @access private
*/
var $_requiredNoteTemplate =
"\n\t<tr>\n\t\t<td></td>\n\t<td align=\"left\" valign=\"top\">{requiredNote}</td>\n\t</tr>";
/**
* Array containing the templates for customised elements
* @var array
* @access private
*/
var $_templates = array();
/**
* Array containing the templates for group wraps.
*
* These templates are wrapped around group elements and groups' own
* templates wrap around them. This is set by setGroupTemplate().
*
* @var array
* @access private
*/
var $_groupWraps = array();
/**
* Array containing the templates for elements within groups
* @var array
* @access private
*/
var $_groupTemplates = array();
/**
* True if we are inside a group
* @var bool
* @access private
*/
var $_inGroup = false;
/**
* Array with HTML generated for group elements
* @var array
* @access private
*/
var $_groupElements = array();
/**
* Template for an element inside a group
* @var string
* @access private
*/
var $_groupElementTemplate = '';
/**
* HTML that wraps around the group elements
* @var string
* @access private
*/
var $_groupWrap = '';
/**
* HTML for the current group
* @var string
* @access private
*/
var $_groupTemplate = '';
/**
* Collected HTML of the hidden fields
* @var string
* @access private
*/
var $_hiddenHtml = '';
/**
* Constructor
*
* @access public
*/
function HTML_QuickForm_Renderer_Default()
{
$this->HTML_QuickForm_Renderer();
} // end constructor
/**
* returns the HTML generated for the form
*
* @access public
* @return string
*/
function toHtml()
{
// _hiddenHtml is cleared in finishForm(), so this only matters when
// finishForm() was not called (e.g. group::toHtml(), bug #3511)
return $this->_hiddenHtml . $this->_html;
} // end func toHtml
/**
* Called when visiting a form, before processing any form elements
*
* @param object An HTML_QuickForm object being visited
* @access public
* @return void
*/
function startForm(&$form)
{
$this->_html = '';
$this->_hiddenHtml = '';
} // end func startForm
/**
* Called when visiting a form, after processing all form elements
* Adds required note, form attributes, validation javascript and form content.
*
* @param object An HTML_QuickForm object being visited
* @access public
* @return void
*/
function finishForm(&$form)
{
// add a required note, if one is needed
if (!empty($form->_required) && !$form->_freezeAll) {
$this->_html .= str_replace('{requiredNote}', $form->getRequiredNote(), $this->_requiredNoteTemplate);
}
// add form attributes and content
$html = str_replace('{attributes}', $form->getAttributes(true), $this->_formTemplate);
if (strpos($this->_formTemplate, '{hidden}')) {
$html = str_replace('{hidden}', $this->_hiddenHtml, $html);
} else {
$this->_html .= $this->_hiddenHtml;
}
$this->_hiddenHtml = '';
$this->_html = str_replace('{content}', $this->_html, $html);
// add a validation script
if ('' != ($script = $form->getValidationScript())) {
$this->_html = $script . "\n" . $this->_html;
}
} // end func finishForm
/**
* Called when visiting a header element
*
* @param object An HTML_QuickForm_header element being visited
* @access public
* @return void
*/
function renderHeader(&$header)
{
$name = $header->getName();
if (!empty($name) && isset($this->_templates[$name])) {
$this->_html .= str_replace('{header}', $header->toHtml(), $this->_templates[$name]);
} else {
$this->_html .= str_replace('{header}', $header->toHtml(), $this->_headerTemplate);
}
} // end func renderHeader
/**
* Helper method for renderElement
*
* @param string Element name
* @param mixed Element label (if using an array of labels, you should set the appropriate template)
* @param bool Whether an element is required
* @param string Error message associated with the element
* @access private
* @see renderElement()
* @return string Html for element
*/
function _prepareTemplate($name, $label, $required, $error)
{
if (is_array($label)) {
$nameLabel = array_shift($label);
} else {
$nameLabel = $label;
}
if (isset($this->_templates[$name])) {
$html = str_replace('{label}', $nameLabel, $this->_templates[$name]);
} else {
$html = str_replace('{label}', $nameLabel, $this->_elementTemplate);
}
if ($required) {
$html = str_replace('<!-- BEGIN required -->', '', $html);
$html = str_replace('<!-- END required -->', '', $html);
} else {
$html = preg_replace("/([ \t\n\r]*)?<!-- BEGIN required -->(\s|\S)*<!-- END required -->([ \t\n\r]*)?/iU", '', $html);
}
if (isset($error)) {
$html = str_replace('{error}', $error, $html);
$html = str_replace('<!-- BEGIN error -->', '', $html);
$html = str_replace('<!-- END error -->', '', $html);
} else {
$html = preg_replace("/([ \t\n\r]*)?<!-- BEGIN error -->(\s|\S)*<!-- END error -->([ \t\n\r]*)?/iU", '', $html);
}
if (is_array($label)) {
foreach($label as $key => $text) {
$key = is_int($key)? $key + 2: $key;
$html = str_replace("{label_{$key}}", $text, $html);
$html = str_replace("<!-- BEGIN label_{$key} -->", '', $html);
$html = str_replace("<!-- END label_{$key} -->", '', $html);
}
}
if (strpos($html, '{label_')) {
$html = preg_replace('/\s*<!-- BEGIN label_(\S+) -->.*<!-- END label_\1 -->\s*/i', '', $html);
}
return $html;
} // end func _prepareTemplate
/**
* Renders an element Html
* Called when visiting an element
*
* @param object An HTML_QuickForm_element object being visited
* @param bool Whether an element is required
* @param string An error message associated with an element
* @access public
* @return void
*/
function renderElement(&$element, $required, $error)
{
if (!$this->_inGroup) {
$html = $this->_prepareTemplate($element->getName(), $element->getLabel(), $required, $error);
$this->_html .= str_replace('{element}', $element->toHtml(), $html);
} elseif (!empty($this->_groupElementTemplate)) {
$html = str_replace('{label}', $element->getLabel(), $this->_groupElementTemplate);
if ($required) {
$html = str_replace('<!-- BEGIN required -->', '', $html);
$html = str_replace('<!-- END required -->', '', $html);
} else {
$html = preg_replace("/([ \t\n\r]*)?<!-- BEGIN required -->(\s|\S)*<!-- END required -->([ \t\n\r]*)?/iU", '', $html);
}
$this->_groupElements[] = str_replace('{element}', $element->toHtml(), $html);
} else {
$this->_groupElements[] = $element->toHtml();
}
} // end func renderElement
/**
* Renders an hidden element
* Called when visiting a hidden element
*
* @param object An HTML_QuickForm_hidden object being visited
* @access public
* @return void
*/
function renderHidden(&$element)
{
$this->_hiddenHtml .= $element->toHtml() . "\n";
} // end func renderHidden
/**
* Called when visiting a raw HTML/text pseudo-element
*
* @param object An HTML_QuickForm_html element being visited
* @access public
* @return void
*/
function renderHtml(&$data)
{
$this->_html .= $data->toHtml();
} // end func renderHtml
/**
* Called when visiting a group, before processing any group elements
*
* @param object An HTML_QuickForm_group object being visited
* @param bool Whether a group is required
* @param string An error message associated with a group
* @access public
* @return void
*/
function startGroup(&$group, $required, $error)
{
$name = $group->getName();
$this->_groupTemplate = $this->_prepareTemplate($name, $group->getLabel(), $required, $error);
$this->_groupElementTemplate = empty($this->_groupTemplates[$name])? '': $this->_groupTemplates[$name];
$this->_groupWrap = empty($this->_groupWraps[$name])? '': $this->_groupWraps[$name];
$this->_groupElements = array();
$this->_inGroup = true;
} // end func startGroup
/**
* Called when visiting a group, after processing all group elements
*
* @param object An HTML_QuickForm_group object being visited
* @access public
* @return void
*/
function finishGroup(&$group)
{
$separator = $group->_separator;
if (is_array($separator)) {
$count = count($separator);
$html = '';
for ($i = 0; $i < count($this->_groupElements); $i++) {
$html .= (0 == $i? '': $separator[($i - 1) % $count]) . $this->_groupElements[$i];
}
} else {
if (is_null($separator)) {
$separator = ' ';
}
$html = implode((string)$separator, $this->_groupElements);
}
if (!empty($this->_groupWrap)) {
$html = str_replace('{content}', $html, $this->_groupWrap);
}
$this->_html .= str_replace('{element}', $html, $this->_groupTemplate);
$this->_inGroup = false;
} // end func finishGroup
/**
* Sets element template
*
* @param string The HTML surrounding an element
* @param string (optional) Name of the element to apply template for
* @access public
* @return void
*/
function setElementTemplate($html, $element = null)
{
if (is_null($element)) {
$this->_elementTemplate = $html;
} else {
$this->_templates[$element] = $html;
}
} // end func setElementTemplate
/**
* Sets template for a group wrapper
*
* This template is contained within a group-as-element template
* set via setTemplate() and contains group's element templates, set
* via setGroupElementTemplate()
*
* @param string The HTML surrounding group elements
* @param string Name of the group to apply template for
* @access public
* @return void
*/
function setGroupTemplate($html, $group)
{
$this->_groupWraps[$group] = $html;
} // end func setGroupTemplate
/**
* Sets element template for elements within a group
*
* @param string The HTML surrounding an element
* @param string Name of the group to apply template for
* @access public
* @return void
*/
function setGroupElementTemplate($html, $group)
{
$this->_groupTemplates[$group] = $html;
} // end func setGroupElementTemplate
/**
* Sets header template
*
* @param string The HTML surrounding the header
* @access public
* @return void
*/
function setHeaderTemplate($html)
{
$this->_headerTemplate = $html;
} // end func setHeaderTemplate
/**
* Sets form template
*
* @param string The HTML surrounding the form tags
* @access public
* @return void
*/
function setFormTemplate($html)
{
$this->_formTemplate = $html;
} // end func setFormTemplate
/**
* Sets the note indicating required fields template
*
* @param string The HTML surrounding the required note
* @access public
* @return void
*/
function setRequiredNoteTemplate($html)
{
$this->_requiredNoteTemplate = $html;
} // end func setRequiredNoteTemplate
/**
* Clears all the HTML out of the templates that surround notes, elements, etc.
* Useful when you want to use addData() to create a completely custom form look
*
* @access public
* @return void
*/
function clearAllTemplates()
{
$this->setElementTemplate('{element}');
$this->setFormTemplate("\n\t<form{attributes}>{content}\n\t</form>\n");
$this->setRequiredNoteTemplate('');
$this->_templates = array();
} // end func clearAllTemplates
} // end class HTML_QuickForm_Renderer_Default
?>
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