681 Zeilen
22 KiB
PHP
681 Zeilen
22 KiB
PHP
<?php
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/**
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* Project:
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* Contenido Content Management System
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*
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* Description:
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* Class for creating form pages
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*
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* Requirements:
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* @con_php_req 5.0
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*
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*
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* @package Contenido Backend classes
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* @version 1.0.1
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* @author Jan Lengowski
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* @copyright four for business AG <www.4fb.de>
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* @license http://www.contenido.org/license/LIZENZ.txt
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* @link http://www.4fb.de
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* @link http://www.contenido.org
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* @since file available since contenido release <= 4.6
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*
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* {@internal
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* created unknown
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* modified 2008-06-30, Dominik Ziegler, add security fix
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* modified 2009-10-23, Murat Purc, removed deprecated function (PHP 5.3 ready)
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*
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* $Id$:
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* }}
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*
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*/
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if(!defined('CON_FRAMEWORK')) {
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die('Illegal call');
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}
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class Form {
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/**
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* counter
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* @var int
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*/
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var $counter = 0;
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/**
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* passed
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* @var bool
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*/
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var $passed = false;
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/**
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* isSend
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* @var bool
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*/
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var $isSend = false;
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/**
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* debug
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* @var bool
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*/
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var $debug = false;
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/**
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* fields
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* @var array
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*/
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var $fields = array();
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/**
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* defaults
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* @var array
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*/
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var $default = array();
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/**
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* action
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* @var string
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*/
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var $action = '';
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/**
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* method
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* @var string
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*/
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var $method = 'post';
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/**
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* enctype
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* @var string
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*/
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var $enctype = '';
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/**
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* target
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* @var string
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*/
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var $target = '_self';
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/**
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* Constructor Function
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* @param
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*/
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function __construct() {
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// empty
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} // end function
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/**
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* Add()
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* Add a form element
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* @return void
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*/
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function Add($name) {
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$name = Contenido_Security::escapeDB($name, null);
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$this->counter ++;
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$this->fields[$this->counter]['name'] = $name;
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} // end function
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/**
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* SetDefault()
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* Add a default value
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* @return void
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*/
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function SetDefault($name, $value) {
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$name = Contenido_Security::escapeDB($name, null);
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$value = Contenido_Security::escapeDB($value, null);
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$this->default[$name] = $value;
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} // end function
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/**
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* Define()
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* Define properties of the form or the elements
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* @var string $which Which property to define
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* @var string $value Values of the property
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* @return void
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*/
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function Define($which, $value) {
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$which = Contenido_Security::escapeDB($which, null);
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$value = Contenido_Security::escapeDB($value, null);
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if (0 == $this->counter) {
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$this->$which = $value;
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} else {
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$this->fields[$this->counter][$which] = $value;
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}
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} // end function
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/**
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* Passed()
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* Checks if the form passed
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* @return bool TRUE: Form passed without errors, FALSE: Errors
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*/
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function Passed() {
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return $this->passed;
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} // end function
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/**
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* Form::generate()
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* @param $template string Path/Filename of the template to use
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* @return void
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*/
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function Generate($template) {
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$template = Contenido_Security::escapeDB($template);
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// get form values
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$this->GetFormValues();
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// if form was submitted before
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// validate the fields
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if ($this->isSend == true) {
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$this->checkFormValues();
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}
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// at least one entry is invalid
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// generate the form
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if (!$this->passed) {
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// check if the template is a file or a string
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if(!@file_exists($template)) {
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// template is a string
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$tmp_template['complete'] = explode("\n", $template);
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} else {
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// template is a file
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$tmp_template['complete'] = file($template);
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}
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// line numbers for
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// the dynamic blocks
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$tmp_template['line_nr']['start'] = 0;
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$tmp_template['line_nr']['end'] = 0;
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$tmp_template['line_nr']['max'] = count($tmp_template['complete']);
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// parts of the template
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$tmp_template['start'] = '';
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$tmp_template['block'] = '';
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$tmp_template['end'] = '';
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// search the template for
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// dynamic blocks
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foreach ($tmp_template['complete'] as $line => $content) {
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// search for start block tag
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if (strstr($content, '<!-- BEGIN:BLOCK -->')) {
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$tmp_template['line_nr']['start'] = $line + 1;
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}
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// search for end block tag
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if (strstr($content, '<!-- END:BLOCK -->')) {
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$tmp_template['line_nr']['end'] = $line - 1;
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}
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}
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// extract start part
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for ($i=0; $i<$tmp_template['line_nr']['start']; $i++) {
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$tmp_template['start'] .= $tmp_template['complete'][$i];
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}
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// extract block
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for ($i=$tmp_template['line_nr']['start']; $i<=$tmp_template['line_nr']['end']; $i++) {
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$tmp_template['block'] .= $tmp_template['complete'][$i];
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}
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// extract end part
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for ($i=$tmp_template['line_nr']['end']+1; $i<=$tmp_template['line_nr']['max']; $i++) {
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$tmp_template['end'] .= $tmp_template['complete'][$i];
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}
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/**
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* Generate the start template
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* @access private
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*/
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$tmp_needles[] = '{ACTION}';
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$tmp_needles[] = '{METHOD}';
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$tmp_needles[] = '{ENCTYPE}';
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$tmp_needles[] = '{TARGET}';
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$tmp_replacements[] = $this->action;
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$tmp_replacements[] = $this->method;
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$tmp_replacements[] = $this->enctype;
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$tmp_replacements[] = $this->target;
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unset($tmp_template['complete']);
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$tmp_template['complete'] .= str_replace($tmp_needles, $tmp_replacements, $tmp_template['start']);
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// generate blocks
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$fieldcount = count($this->fields);
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unset($tmp_needles);
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$tmp_needles[] = '{CAPTION}';
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$tmp_needles[] = '{FIELD}';
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$tmp_needles[] = '{BGCOLOR}';
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for ($i=1; $i<=$fieldcount; $i++) {
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// set default classerror style
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if (!isset($this->fields[$i]['classerror'])) {
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$this->fields[$i]['classerror'] = $this->default['classerror'];
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}
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// set default classcaption style
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if (!isset($this->fields[$i]['classcaption'])) {
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$this->fields[$i]['classcaption'] = $this->default['classcaption'];
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}
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// set default classinput style
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if (!isset($this->fields[$i]['classinput'])) {
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$this->fields[$i]['classinput'] = $this->default['classinput'];
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}
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// unset replacement array
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unset($tmp_replacements);
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// set the correct caption class
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if ($this->isSend && $this->fields[$i]['passed'] == false) {
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// error
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$tmp_replacements[] = '<span class="'.$this->fields[$i]['classerror'].'">'.$this->fields[$i]['caption'].'</span>';
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} else {
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// passed
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$tmp_replacements[] = '<span class="'.$this->fields[$i]['classcaption'].'">'.$this->fields[$i]['caption'].'</span>';
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}
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// FormField instance
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$field = new FormField();
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// Get Code for one element
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$tmp_replacements[] = $field->GenerateCode($this->fields[$i]);
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// alternate between row background colors
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if ($this->default['lightcolor'] != '' && $this->default['darkcolor'] != '') {
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$tmp_replacements[] = (is_int($i/2)) ? $this->default['lightcolor'] : $this->default['darkcolor'];
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} else {
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$tmp_replacements[] = '';
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}
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// replace placeholders with replacements
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$tmp_template['complete'] .= str_replace($tmp_needles, $tmp_replacements, $tmp_template['block']);
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}
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// end part
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$tmp_template['complete'] .= $tmp_template['end'];
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// output
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echo $tmp_template['complete'];
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// debug info
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if ($this->debug) {
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echo '<pre>';
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print_r($this->fields);
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echo '</pre>';
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}
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} else {
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// there are no errors
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// and the form passed
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// do nothing
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}
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} // end function
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/**
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* GetFormValues()
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* Extract the Form Data from the $_POST or $_GET
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* global arrays
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* @return void
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*/
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function GetFormValues() {
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if (strtolower($this->method) == 'post') {
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// extract values from the $_POST global array
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foreach ($this->fields as $id => $element) {
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// check if value exists, extract it
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if (isset($_POST[$element['name']])) {
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$this->fields[$id]['value'] = $_POST[$element['name']];
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$this->isSend = true;
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} else {
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$this->isSend = false;
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}
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}
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} elseif (strtolower($this->method) == 'get') {
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// extract values from the $_GET global array
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foreach ($this->fields as $id => $element) {
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// check if value exists, extract it
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if (isset($_POST[$element['name']])) {
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$this->fields[$id]['value'] = $_GET[$element['name']];
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$this->isSend = true;
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} else {
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$this->isSend = false;
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}
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}
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}
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} // end function
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/**
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* CheckFormValues()
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*
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* @return void
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*/
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function CheckFormValues() {
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$tmp_passed = true;
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foreach ($this->fields as $id => $element) {
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$check = new FormCheck();
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switch (strtolower($element['checktype'])) {
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case 'none':
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$this->fields[$id]['passed'] = true;
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break;
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case 'simple':
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if ('checkbox' == $element['type']) {
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$this->fields[$id]['passed'] = (isset($element['value'])) ? true : false;
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} else {
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$this->fields[$id]['passed'] = ('select' == $element['type']) ? $check->isNotEmpty($element['value']) : $check->isNotNull($element['value']);
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}
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break;
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case 'numeric':
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$this->fields[$id]['passed'] = $check->isNumeric($element['value']);
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break;
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case 'alphabetic':
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$this->fields[$id]['passed'] = $check->isAlphabetic($element['value']);
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break;
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case 'email':
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$this->fields[$id]['passed'] = $check->isEmail($element['value']);
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break;
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case 'datefromto':
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$tmp_check = array();
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$tmp_check[] = $check->isNumeric($element['value']['from']['d']);
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$tmp_check[] = $check->isNumeric($element['value']['from']['m']);
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$tmp_check[] = $check->isNumeric($element['value']['from']['y']);
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$tmp_check[] = $check->isNumeric($element['value']['to']['d']);
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$tmp_check[] = $check->isNumeric($element['value']['to']['m']);
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$tmp_check[] = $check->isNumeric($element['value']['to']['y']);
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$this->fields[$id]['passed'] = (in_array(false, $tmp_check)) ? false : true;
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unset($tmp_check);
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break;
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case 'fromto':
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$tmp_check = array();
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$tmp_check[] = $check->isNumeric($element['value']['from']);
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$tmp_check[] = $check->isNumeric($element['value']['to']);
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$this->fields[$id]['passed'] = (in_array(false, $tmp_check)) ? false : true;
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unset($tmp_check);
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break;
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default:
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if ('checkbox' == $element['type']) {
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$this->fields[$id]['passed'] = (isset($element['value'])) ? true : false;
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} else {
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$this->fields[$id]['passed'] = ('select' == $element['type']) ? $check->isNotEmpty($element['value']) : $check->isNotNull($element['value']);
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}
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break;
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} // end switch
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if ($this->fields[$id]['passed'] == false) {
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$tmp_passed = false;
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}
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} // end foreach
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$this->passed = $tmp_passed;
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}
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} // end class
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/**
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* Class Formfield
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* Class for creating form elements
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* @author Jan Lengowski <Jan.Lengowski@4fb.de>
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* @version 1.0
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* @copyright four for business 2002
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*/
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class FormField {
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/**
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* Constructor Function
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||
*/
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function __construct() {
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// do nothing
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} // end function
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/**
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* Function GenerateCode()
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* Created HTML Code depending on
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* the type of form field selected.
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* @argument $item array All necessary formfield data
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*/
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function GenerateCode($item) {
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if (!is_array($item)){
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// no data
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exit ('Argument is not an array!');
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} else {
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// switch form type
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$tmp_ret_str = '';
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switch (strtolower($item['type'])) {
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case 'caption':
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// Feld ist nur eine Beschriftung,
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// HTML ist f<>r das Feld erlaubt.
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$tmp_ret_str = '<span class="'.$item['classcaption'].'">'.$item['value'].'</span>';
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break;
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case 'hidden':
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// Feld ist versteckt und dient
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// nur zum <20>bermitteln von Daten.
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$tmp_ret_str = '<input type="hidden" name="'.$item['name'].'" value="'.$item['value'].'">';
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break;
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case 'text':
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// Feld ist ein einzeiliges Text-
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// Eingabefeld.
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$tmp_ret_str = '<input type="'.$item['type'].'" name="'.$item['name'].'" value="'.$item['value'].'" class="'.$item['classinput'].'">';
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break;
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case 'textarea':
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// Feld ist ein mehrzeiliges Text-
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// Eingabefeld.
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||
$tmp_ret_str = '<textarea name="'.$item['name'].'" class="'.$item['classinput'].'">'.$item['value'].'</textarea>';
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break;
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case 'select':
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// Feld ist ein Auswahlfeld.
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$tmp_ret_str = '<select name="'.$item['name'].'" class="'.$item['classinput'].'">';
|
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|
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if (!is_array($item['values'])) {
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// no values
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$tmp_ret_str .= '<option style="color:#FF0000">no values passed</option>';
|
||
|
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} else {
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// values array passed
|
||
foreach ($item['values'] as $key => $value) {
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||
|
||
if ($item['value'] == $key) {
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||
// selected
|
||
$tmp_ret_str .= '<option value="'.$key.'" selected="selected">'.$value.'</option>';
|
||
|
||
} else {
|
||
// unselected
|
||
$tmp_ret_str .= '<option value="'.$key.'">'.$value.'</option>';
|
||
}
|
||
|
||
|
||
} // end foreach
|
||
|
||
}
|
||
|
||
$tmp_ret_str .= '</select>';
|
||
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break;
|
||
|
||
case 'radiolist':
|
||
// Liste mit radio buttons.
|
||
if (!is_array($item['values'])) {
|
||
// no values
|
||
$tmp_ret_str .= '<span style="color:#FF0000">no values passed</span>';
|
||
|
||
} else {
|
||
$tmp_ret_str .= '<table cellspacing="0" cellpadding="2" border="0">';
|
||
|
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$first = true;
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||
|
||
foreach ($item['values'] as $caption => $value) {
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||
|
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$tmp_ret_str .= '<tr>';
|
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|
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if ($item['value'] == $value) {
|
||
$tmp_ret_str .= '<td class="'.$item['classcaption'].'">'.$caption.'</td><td><input type="radio" name="'.$item['name'].'" value="'.$value.'" checked="checked"></td>';
|
||
} else {
|
||
if ($first) {
|
||
$tmp_ret_str .= '<td class="'.$item['classcaption'].'">'.$caption.'</td><td><input type="radio" name="'.$item['name'].'" value="'.$value.'" checked="checked"></td>';
|
||
} else {
|
||
$tmp_ret_str .= '<td class="'.$item['classcaption'].'">'.$caption.'</td><td><input type="radio" name="'.$item['name'].'" value="'.$value.'"></td>';
|
||
}
|
||
|
||
}
|
||
|
||
$tmp_ret_str .= '<tr>';
|
||
$first = false;
|
||
}
|
||
|
||
$tmp_ret_str .= '</table>';
|
||
}
|
||
break;
|
||
|
||
case 'checkbox':
|
||
if (isset($item['value'])) {
|
||
$tmp_ret_str .= '<input type="checkbox" name="'.$item['name'].'" value="on" checked="checked">';
|
||
|
||
} else {
|
||
$tmp_ret_str .= '<input type="checkbox" name="'.$item['name'].'" value="on">';
|
||
|
||
}
|
||
break;
|
||
|
||
case 'datefromto':
|
||
$tmp_ret_str .= '<table cellspacing="0" cellpadding="2" border="0">';
|
||
|
||
$tmp_ret_str .= ' <tr>';
|
||
$tmp_ret_str .= ' <td><span class="'.$item['classcaption'].'">'.$item['values'][0].'</span></td>';
|
||
$tmp_ret_str .= ' <td><input class="'.$item['classinput'].'" type="text" name="'.$item['name'].'[from][d]" value="'.$item['value']['from']['d'].'" size="2" maxlength="2"></td>';
|
||
$tmp_ret_str .= ' <td><input class="'.$item['classinput'].'" type="text" name="'.$item['name'].'[from][m]" value="'.$item['value']['from']['m'].'" size="2" maxlength="2"></td>';
|
||
$tmp_ret_str .= ' <td><input class="'.$item['classinput'].'" type="text" name="'.$item['name'].'[from][y]" value="'.$item['value']['from']['y'].'" size="4" maxlength="4"></td>';
|
||
$tmp_ret_str .= ' <tr>';
|
||
|
||
$tmp_ret_str .= ' <tr>';
|
||
$tmp_ret_str .= ' <td><span class="'.$item['classcaption'].'">'.$item['values'][1].'</span></td>';
|
||
$tmp_ret_str .= ' <td><input class="'.$item['classinput'].'" type="text" name="'.$item['name'].'[to][d]" value="'.$item['value']['to']['d'].'" size="2" maxlength="2"></td>';
|
||
$tmp_ret_str .= ' <td><input class="'.$item['classinput'].'" type="text" name="'.$item['name'].'[to][m]" value="'.$item['value']['to']['m'].'" size="2" maxlength="2"></td>';
|
||
$tmp_ret_str .= ' <td><input class="'.$item['classinput'].'" type="text" name="'.$item['name'].'[to][y]" value="'.$item['value']['to']['y'].'" size="4" maxlength="4"></td>';
|
||
$tmp_ret_str .= ' <tr>';
|
||
|
||
$tmp_ret_str .= '</table>';
|
||
|
||
break;
|
||
|
||
/* TimeJob hardcoded dummy */
|
||
case 'suche':
|
||
$tmp_ret_str .= '<input type="text" class="'.$item['classinput'].'" value="'.$item['value'].'"> <a href="#" onclick="popUp(\''.$item['values'][0].'\')"><img src="images/button_suchen.gif" border="0"></a>';
|
||
$tmp_ret_str .= ' <a href="#" onclick="popUp(\''.$item['values'][1].'\')"><img src="images/but_help.gif" border="0"></a>';
|
||
break;
|
||
|
||
case 'fromto':
|
||
$tmp_ret_str .= '<input type="text" class="'.$item['classinput'].'" name="'.$item['name'].'[from]" value="'.$item['value']['from'].'">';
|
||
$tmp_ret_str .= ' <span class="'.$item['classcaption'].'">bis</a> ';
|
||
$tmp_ret_str .= '<input type="text" class="'.$item['classinput'].'" name="'.$item['name'].'[to]" value="'.$item['value']['to'].'">';
|
||
|
||
break;
|
||
|
||
} // end switch
|
||
|
||
return $tmp_ret_str;
|
||
}
|
||
|
||
} // end function
|
||
|
||
|
||
} // end class
|
||
|
||
|
||
/**
|
||
* class FormCheck
|
||
* Class for checking form values
|
||
* @author Jan Lengowski <Jan.Lengowski@4fb.de>
|
||
* @version 1.0
|
||
* @copyright four for business 2002
|
||
*/
|
||
class FormCheck {
|
||
|
||
/**
|
||
* Constructor function
|
||
* @access private
|
||
*/
|
||
function __construct () {
|
||
// empty
|
||
} // end function
|
||
|
||
/**
|
||
* isNotEmpty()
|
||
* Checks if a value is NOT empty
|
||
* @param $value mixed Value to check
|
||
*/
|
||
function isNotEmpty($value) {
|
||
return ('' == $value || 0 == $value) ? false : true;
|
||
} // end function
|
||
|
||
/**
|
||
* isNotNull()
|
||
* Checks if a value is NOT null
|
||
* @param $value mixed Value to check
|
||
*/
|
||
function isNotNull($value) {
|
||
return ($value) ? true : false;
|
||
} // end function
|
||
|
||
/**
|
||
* isNumeric()
|
||
* Checks if a value is numeric
|
||
* @param $value mixed Value to check
|
||
*/
|
||
function isNumeric($value) {
|
||
if ('' != $value) {
|
||
return (!preg_match('/[^0-9]/', $value)) ? true : false;
|
||
} else {
|
||
return false;
|
||
}
|
||
} // end function
|
||
|
||
/**
|
||
* isAlphabetic()
|
||
* Checks if a value is alphabetic
|
||
* @param $value mixed Value to check
|
||
*/
|
||
function isAlphabetic($value) {
|
||
return (!preg_match('/[^a-zA-Z]/', $value)) ? true : false;
|
||
} // end function
|
||
|
||
/**
|
||
* isEmail()
|
||
* Checks if a string is a valid email adress
|
||
* @param $value string eMail string to check
|
||
*/
|
||
function isEmail($value) {
|
||
return (preg_match('/^[a-z0-9\.]+@[a-z0-9\.]+\.[a-z]+$/i', $value)) ? true : false;
|
||
} // end function
|
||
|
||
} // end class
|