preparation release
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615
HTML/Template/Flexy/Element.php
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615
HTML/Template/Flexy/Element.php
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997, 1998, 1999, 2000, 2001 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Author: Alan Knowles <alan@akbkhome.com> |
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// | Based on HTML_Common by: Adam Daniel <adaniel1@eesus.jnj.com> |
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// +----------------------------------------------------------------------+
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//
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// $Id: Element.php,v 1.46 2005/12/20 01:45:06 alan_k Exp $
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/**
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* Lightweight HTML Element builder and render
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*
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* This differs from HTML_Common in the following ways:
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*
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* $element->attributes is Public
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* $element->override if set to anything other than false, renders the value rather than
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* the defined element
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*
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* $element->children is a recursvable child array which is rendered by toHTML
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* $element->toHtml() is implemented
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* $element->toHtmlNoClose() renders only the first tag and children (designed for <form
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* No support for tab offsets, comments ...
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*
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* Full support for Select, and common Form elements using
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* setValue()
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* setOptions()
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*
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* overlay support with SetFrom - base + inherited..
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*
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* attributes array values:
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* key="value" // standard key="value" in output
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* key = true // outputs just key.
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*
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* children can be
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* another HTML_Element
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* or string (raw text)
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*
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*
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* @author Adam Daniel <adaniel1@eesus.jnj.com>
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* @version 1.6
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* @since PHP 4.0.3pl1
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* @abstract
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*/
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class HTML_Template_Flexy_Element {
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/**
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* Tag that this Element represents.
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* @var array
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* @access public
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*/
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var $tag = '';
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/**
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* Associative array of table attributes
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* Note Special values:
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* true == only display the key
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* false == remove
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*
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* @var array
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* @access public
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*/
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var $attributes = array();
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/**
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* Sequence array of children
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* children that are strings are assumed to be text
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* @var array
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* @access public
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*/
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var $children = array();
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/**
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* override the tag.
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* if this is set to anything other than false, it will be output
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* rather than the tags+children
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* @var array
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* @access public
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*/
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var $override = false;
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/**
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* prefix the tag.
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* this is output by toHtml as a prefix to the tag (can be used for require tags)
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* @var array
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* @access private
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*/
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var $prefix = '';
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/**
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* suffix the tag.
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* this is output by toHtml as a suffix to the tag (can be used for error messages)
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* @var array
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* @access private
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*/
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var $suffix = '';
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/**
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* a value for delayed merging into live objects
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* if you set this on an element, it is merged by setValue, at merge time.
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* @var array
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* @access public
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*/
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var $value = null;
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/**
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* Class constructor
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* @param mixed $attributes Associative array of table tag attributes
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* or HTML attributes name="value" pairs
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* @access public
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*/
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function HTML_Template_Flexy_Element($tag='', $attributes=null)
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{
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$this->tag = strtolower($tag);
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if (false !== strpos($tag, ':')) {
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$bits = explode(':',$this->tag);
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$this->tag = $bits[0] . ':'.strtolower($bits[1]);
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}
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$this->setAttributes($attributes);
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} // end constructor
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/**
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* Returns an HTML formatted attribute string
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* @param array $attributes
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* @return string
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* @access private
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*/
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function attributesToHTML()
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{
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$strAttr = '';
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$xhtmlclose = '';
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$charset = empty($GLOBALS['HTML_Template_Flexy']['options']['charset']) ? 'ISO-8859-1' : $GLOBALS['HTML_Template_Flexy']['options']['charset'];
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foreach ($this->attributes as $key => $value) {
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// you shouldn't do this, but It shouldnt barf when you do..
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if (is_array($value) || is_object($value)) {
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continue;
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}
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if ($key == 'flexy:xhtml') {
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continue;
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}
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if ($value === false) {
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continue;
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}
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if ($value === true) {
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// this is not xhtml compatible..
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if ($key == '/') {
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$xhtmlclose = ' /';
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continue;
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}
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if (isset($this->attributes['flexy:xhtml'])) {
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$strAttr .= " {$key}=\"{$key}\"";
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} else {
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$strAttr .= ' ' . $key;
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}
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} else {
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// dont replace & with &
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if ($this->tag == 'textbox') { // XUL linefeed fix.
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$value = str_replace("\n", ' ', htmlspecialchars($value,ENT_COMPAT,$charset));
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} else {
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$value = str_replace('&nbsp;',' ',htmlspecialchars($value,ENT_COMPAT,$charset));
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}
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$strAttr .= ' ' . $key . '="' . $value . '"';
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}
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}
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$strAttr .= $xhtmlclose;
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return $strAttr;
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} // end func _getAttrString
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/**
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* Static Method to get key/value array from attributes.
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* Returns a valid atrributes array from either a string or array
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* @param mixed $attributes Either a typical HTML attribute string or an associative array
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* @access private
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*/
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function parseAttributes($attributes)
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{
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if (is_array($attributes)) {
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$ret = array();
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foreach ($attributes as $key => $value) {
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if (is_int($key)) {
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$ret[strtolower($value)] = true;
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} else {
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$ret[strtolower($key)] = $value;
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}
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}
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return $ret;
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} elseif (is_string($attributes)) {
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$preg = "/(([A-Za-z_:]|[^\\x00-\\x7F])([A-Za-z0-9_:.-]|[^\\x00-\\x7F])*)" .
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"([ \\n\\t\\r]+)?(=([ \\n\\t\\r]+)?(\"[^\"]*\"|'[^']*'|[^ \\n\\t\\r]*))?/";
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if (preg_match_all($preg, $attributes, $regs)) {
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for ($counter=0; $counter<count($regs[1]); $counter++) {
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$name = $regs[1][$counter];
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$check = $regs[0][$counter];
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$value = $regs[7][$counter];
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if (trim($name) == trim($check)) {
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$arrAttr[strtolower(trim($name))] = strtolower(trim($name));
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} else {
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if (substr($value, 0, 1) == "\"" || substr($value, 0, 1) == "'") {
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$value = substr($value, 1, -1);
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}
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$arrAttr[strtolower(trim($name))] = trim($value);
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}
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}
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return $arrAttr;
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}
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}
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} // end func _parseAttributes
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/**
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* Utility function to set values from common tag types.
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* @param HTML_Element $from override settings from another element.
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* @access public
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*/
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function setValue($value) {
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// store the value in all situations
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$this->value = $value;
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$tag = strtolower($this->tag);
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if (strpos($tag,':') !== false) {
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$bits = explode(':',$tag);
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$tag = $bits[1];
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}
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switch ($tag) {
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case 'input':
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switch (isset($this->attributes['type']) ? strtolower($this->attributes['type']) : '') {
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case 'checkbox':
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if (isset($this->attributes['checked'])) {
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unset($this->attributes['checked']);
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}
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// if value is nto set, it doesnt make any difference what you set ?
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if (!isset($this->attributes['value'])) {
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return;
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}
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//print_r($this); echo "SET TO "; serialize($value);
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if (isset($this->attributes['name']) && (substr($this->attributes['name'],-2) == '[]')) {
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if (is_array($value) &&
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in_array((string) $this->attributes['value'],$value)
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) {
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$this->attributes['checked'] = true;
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}
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return;
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}
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if ($this->attributes['value'] == $value) {
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$this->attributes['checked'] = true;
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}
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return;
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case 'radio':
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if (isset($this->attributes['checked'])) {
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unset($this->attributes['checked']);
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}
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// if we dont have values associated yet, store it..
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if (!isset($this->attributes['value'])) {
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$this->value = $value;
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return;
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}
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if ($this->attributes['value'] == $value) {
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$this->attributes['checked'] = true;
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}
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return;
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default:
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// no other input accepts array as a value.
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if (is_array($value)) {
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return;
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}
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$this->attributes['value'] = $value;
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return;
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}
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case 'select':
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if (!is_array($value)) {
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$value = array($value);
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}
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// its setting the default value..
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foreach($this->children as $i=>$child) {
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if (is_string($child)) {
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continue;
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}
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if ($child->tag == 'optgroup') {
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foreach($this->children[$i]->children as $ii=>$child) {
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// does the value exist and match..
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if (isset($child->attributes['value'])
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&& in_array((string) $child->attributes['value'], $value))
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{
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$this->children[$i]->children[$ii]->attributes['selected'] =
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isset($this->attributes['flexy:xhtml']) ? 'selected' : true;
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continue;
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}
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if (isset($child->attributes['value']) &&
|
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isset($this->children[$i]->children[$ii]->attributes['selected']))
|
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{
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unset($this->children[$i]->children[$ii]->attributes['selected']);
|
||||
continue;
|
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}
|
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// value doesnt exst..
|
||||
|
||||
if (isset($this->children[$i]->children[$ii]->attributes['selected'])) {
|
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unset($this->children[$i]->children[$ii]->attributes['selected']);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
// standard option value...
|
||||
//echo "testing {$child->attributes['value']} against ". print_r($value,true)."\n";
|
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// does the value exist and match..
|
||||
|
||||
if (isset($child->attributes['value'])
|
||||
&& in_array((string) $child->attributes['value'], $value))
|
||||
{
|
||||
|
||||
|
||||
$this->children[$i]->attributes['selected'] =
|
||||
isset($this->attributes['flexy:xhtml']) ? 'selected' : true;;
|
||||
continue;
|
||||
}
|
||||
// no value attribute try and use the contents.
|
||||
if (!isset($child->attributes['value'])
|
||||
&& is_string($child->children[0])
|
||||
&& in_array((string) $child->children[0], $value))
|
||||
{
|
||||
|
||||
$this->children[$i]->attributes['selected'] =
|
||||
isset($this->attributes['flexy:xhtml']) ? 'selected' : true;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (isset($child->attributes['value']) &&
|
||||
isset($this->children[$i]->attributes['selected']))
|
||||
{
|
||||
//echo "clearing selected\n";
|
||||
unset($this->children[$i]->attributes['selected']);
|
||||
continue;
|
||||
}
|
||||
// value doesnt exst..
|
||||
|
||||
if (isset($this->children[$i]->attributes['selected'])) {
|
||||
//echo "clearing selected\n";
|
||||
unset($this->children[$i]->attributes['selected']);
|
||||
continue;
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
return;
|
||||
case 'textarea':
|
||||
$charset = empty($GLOBALS['HTML_Template_Flexy']['options']['charset']) ? 'ISO-8859-1' : $GLOBALS['HTML_Template_Flexy']['options']['charset'];
|
||||
$this->children = array(htmlspecialchars($value,ENT_COMPAT,$charset));
|
||||
return;
|
||||
case '': // dummy objects.
|
||||
$this->value = $value;
|
||||
return;
|
||||
|
||||
// XUL elements
|
||||
case 'menulist':
|
||||
case 'textbox':
|
||||
case 'checkbox':
|
||||
require_once 'HTML/Template/Flexy/Element/Xul.php';
|
||||
HTML_Template_Flexy_Element_Xul::setValue($this,$value);
|
||||
return ;
|
||||
|
||||
default:
|
||||
if (is_array($value)) {
|
||||
return;
|
||||
}
|
||||
$this->value = $value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
}
|
||||
/**
|
||||
* Utility function equivilant to HTML_Select - loadArray **
|
||||
* but using
|
||||
* key=>value maps
|
||||
* <option value="key">Value</option>
|
||||
* Key=key (eg. both the same) maps to
|
||||
* <option>key</option>
|
||||
* and label = array(key=>value) maps to
|
||||
* <optgroup label="label"> <option value="key">value</option></optgroup>
|
||||
*
|
||||
* $element->setOptions(array('a'=>'xxx','b'=>'yyy'));
|
||||
* or
|
||||
* $element->setOptions(array('a','b','c','d'),true);
|
||||
*
|
||||
*
|
||||
*.
|
||||
* @param HTML_Element $from override settings from another element.
|
||||
* @param HTML_Element $noValue ignore the key part of the array
|
||||
* @access public
|
||||
*/
|
||||
|
||||
function setOptions($array,$noValue=false) {
|
||||
if (!is_array($array)) {
|
||||
$this->children = array();
|
||||
return;
|
||||
}
|
||||
|
||||
$charset = empty($GLOBALS['HTML_Template_Flexy']['options']['charset']) ? 'ISO-8859-1' : $GLOBALS['HTML_Template_Flexy']['options']['charset'];
|
||||
|
||||
$tag = strtolower($this->tag);
|
||||
$namespace = '';
|
||||
if (false !== strpos($this->tag, ':')) {
|
||||
|
||||
$bits = explode(':',$this->tag);
|
||||
$namespace = $bits[0] . ':';
|
||||
$tag = strtolower($bits[1]);
|
||||
|
||||
}
|
||||
// if we have specified a xultag!!?
|
||||
if (strlen($tag) && ($tag != 'select')) {
|
||||
require_once 'HTML/Template/Flexy/Element/Xul.php';
|
||||
return HTML_Template_Flexy_Element_Xul::setOptions($this,$array,$noValue);
|
||||
}
|
||||
|
||||
foreach($array as $k=>$v) {
|
||||
if (is_array($v)) { // optgroup
|
||||
$child = new HTML_Template_Flexy_Element($namespace . 'optgroup',array('label'=>$k));
|
||||
foreach($v as $kk=>$vv) {
|
||||
$atts=array();
|
||||
if (($kk !== $vv) && !$noValue) {
|
||||
$atts = array('value'=>$kk);
|
||||
} else {
|
||||
$atts = array('value'=>$vv);
|
||||
}
|
||||
$add = new HTML_Template_Flexy_Element($namespace . 'option',$atts);
|
||||
$add->children = array(htmlspecialchars($vv,ENT_COMPAT,$charset));
|
||||
$child->children[] = $add;
|
||||
}
|
||||
$this->children[] = $child;
|
||||
continue;
|
||||
}
|
||||
$atts=array();
|
||||
if (($k !== $v) && !$noValue) {
|
||||
$atts = array('value'=>$k);
|
||||
} else {
|
||||
$atts = array('value'=>$v);
|
||||
}
|
||||
$add = new HTML_Template_Flexy_Element($namespace . 'option',$atts);
|
||||
$add->children = array(htmlspecialchars($v,ENT_COMPAT,$charset));
|
||||
$this->children[] = $add;
|
||||
}
|
||||
|
||||
}
|
||||
/**
|
||||
* Sets the HTML attributes
|
||||
* @param mixed $attributes Either a typical HTML attribute string or an associative array
|
||||
* @access public
|
||||
*/
|
||||
|
||||
function setAttributes($attributes)
|
||||
{
|
||||
$attrs= $this->parseAttributes($attributes);
|
||||
if (!is_array($attrs)) {
|
||||
return false;
|
||||
}
|
||||
foreach ($attrs as $key => $value) {
|
||||
$this->attributes[$key] = $value;
|
||||
}
|
||||
} // end func updateAttributes
|
||||
|
||||
/**
|
||||
* Removes an attributes
|
||||
*
|
||||
* @param string $attr Attribute name
|
||||
* @since 1.4
|
||||
* @access public
|
||||
* @return void
|
||||
* @throws
|
||||
*/
|
||||
function removeAttributes($attrs)
|
||||
{
|
||||
if (is_string($attrs)) {
|
||||
$attrs = array($attrs);
|
||||
}
|
||||
foreach ($attrs as $attr) {
|
||||
if (isset($this->attributes[strtolower($attr)])) {
|
||||
$this->attributes[strtolower($attr)] = false;
|
||||
}
|
||||
}
|
||||
} //end func removeAttribute
|
||||
|
||||
|
||||
/**
|
||||
* Output HTML and children
|
||||
*
|
||||
* @access public
|
||||
* @param object $overlay = merge data from object.
|
||||
* @return string
|
||||
* @abstract
|
||||
*/
|
||||
function toHtml($overlay=false)
|
||||
{
|
||||
|
||||
//echo "BEFORE<PRE>";print_R($this);
|
||||
$ret = $this;
|
||||
if ($overlay !== false) {
|
||||
$ret = HTML_Template_Flexy::mergeElement($this,$overlay);
|
||||
}
|
||||
|
||||
if ($ret->override !== false) {
|
||||
return $ret->override;
|
||||
}
|
||||
$prefix = $ret->prefix;
|
||||
if (is_object($prefix)) {
|
||||
$prefix = $prefix->toHtml();
|
||||
}
|
||||
$suffix = $ret->suffix;
|
||||
if (is_object($suffix)) {
|
||||
$suffix = $suffix->toHtml();
|
||||
}
|
||||
//echo "AFTER<PRE>";print_R($ret);
|
||||
|
||||
$tag = $this->tag;
|
||||
if (strpos($tag,':') !== false) {
|
||||
$bits = explode(':',$tag);
|
||||
$tag = $bits[1];
|
||||
}
|
||||
// tags that never should have closers
|
||||
$close = "</{$ret->tag}>";
|
||||
if (in_array(strtoupper($tag),array("INPUT","IMG"))) {
|
||||
$close = '';
|
||||
}
|
||||
if (isset($this->attributes['/'])) {
|
||||
$close = '';
|
||||
}
|
||||
|
||||
$close .= $suffix ;
|
||||
|
||||
return "{$prefix}<{$ret->tag}".$ret->attributesToHTML() . '>'.$ret->childrenToHTML() .$close;
|
||||
|
||||
|
||||
} // end func toHtml
|
||||
|
||||
|
||||
/**
|
||||
* Output Open Tag and any children and not Child tag (designed for use with <form + hidden elements>
|
||||
*
|
||||
* @access public
|
||||
* @param object $overlay = merge data from object.
|
||||
* @return string
|
||||
* @abstract
|
||||
*/
|
||||
function toHtmlnoClose($overlay=false)
|
||||
{
|
||||
$ret = $this;
|
||||
if ($ret->override !== false) {
|
||||
return $ret->override;
|
||||
}
|
||||
if ($overlay !== false) {
|
||||
$ret = HTML_Template_Flexy::mergeElement($this,$overlay);
|
||||
}
|
||||
|
||||
|
||||
return "<{$ret->tag}".$ret->attributesToHTML() . '>' . $ret->childrenToHTML();
|
||||
|
||||
|
||||
} // end func toHtml
|
||||
|
||||
|
||||
/**
|
||||
* Output HTML and children
|
||||
*
|
||||
* @access public
|
||||
* @return string
|
||||
* @abstract
|
||||
*/
|
||||
function childrenToHtml()
|
||||
{
|
||||
$ret = '';
|
||||
foreach($this->children as $child) {
|
||||
if (!is_object($child)) {
|
||||
$ret .= $child;
|
||||
continue;
|
||||
}
|
||||
|
||||
$ret .= $child->toHtml();
|
||||
}
|
||||
return $ret;
|
||||
} // end func toHtml
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
} // end class HTML_Template_Flexy_Element
|
||||
Loading…
Add table
Add a link
Reference in a new issue