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Pages, die den IT-Manager verwenden
Alle Wizard-Beispiele im CVS basieren auf page-Klassen, die
den IT-Manager verwenden. Nur so lassen sich die
hohen Ansprüche an CI und Usability erfüllen,
die Kunde und Endnutzer haben.
Die Klasse page aus dem Verzeichnis HTML_OOH_Form/examples/wizard/installer/
kann zugleich Seiten verarbeiten, die Formulare enthalten
als auch Seiten, die ausschließlich aus Text (einem Template)
bestehen. Die Klasse bietet einen guten Ausgangspunkt für
eigene Entwicklungen.
| HTML_OOH_Form/examples/wizard/installer/page.php |
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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | PHP version 4.0 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997, 1998, 1999, 2000, 2001 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: Ulf Wendel <ulf.wendel@phpdoc.de> |
// +----------------------------------------------------------------------+
//
// $Id: page.php,v 1.3 2001/10/27 16:32:51 uw Exp $
require_once('HTML_OOH_Form/form.php');
require_once('HTML_OOH_Form/form_page_form.php');
require_once('HTML_OOH_Form/layoutmanager/form_itmanager.php');
require_once('HTML_OOH_Form/form_xmlfactory.php');
/**
* Form page that can handle real form pages and plain text pages
*
* You should study this class if your're going to use the wizard
* features. It's a very helpful starting point.
*
* @author Ulf Wendel <ulf.wendel@phpdoc.de>
* @version $Id: page.php,v 1.3 2001/10/27 16:32:51 uw Exp $
* @package HTML_OOH_Form
*/
class page extends form_page_form {
/**
* True if a page is shown the first time, later on false
*
* Used to suppress error messages in case a page is shown the first time.
*
* @var boolean
*/
var $first_call = true;
/**
* Template file to be used.
*
* @var string
*/
var $template = '';
/**
* Creates a wizard page containing a plain text page or a itmanaged form
*
* @param string template file
* @param string page name
* @param string xml form definition file
* @global FORM_FILE_DIR
*/
function page($template, $name = '', $xml_form = '') {
$this->template = $template;
$this->name = $name;
if ('' != $xml_form) {
$this->form = new form_xmlfactory(FORM_FILE_DIR . $xml_form);
// inform the wizard that this page contains a form
$this->type = 'form';
} else {
// this is not a form page - the wizard has to create it's own
// form to be able to add the page switching buttons
$this->type = 'template';
}
} // end constructor
function get($startfinish = false, $reload = false) {
return ('form' != $this->type) ? $this->getTemplatePage($startfinish) : $this->getFormPage($startfinish, $reload);
} // end func get
/**
* Returns a wizard page consisting of plain text (template)
*
* @return string
* @see get(), getFormPage()
* @global FORM_FILE_DIR
*/
function getTemplatePage() {
return implode('', file(FORM_FILE_DIR . $this->template));
} // end func getTemplatePage
/**
* Returns a wizard page containing a form
*
* @param boolean print opening and closing form tag?
* @param boolean is this a reload?
* @return string
* @see get(), getTemplatePage()
* @global FORM_FILE_DIR
*/
function getFormPage($startfinish = false, $reload = false) {
if ($reload)
// reload HTTP_[POST|GET]_VARS
$this->form->autoloadValues();
// store validation flags
$valres = $this->form->validate();
$valres = $valres[1];
$itx = new itmanager();
$itx->setTemplate($this->template, FORM_FILE_DIR, false);
// opening form tag
if ($startfinish)
$itx->addContent($this->form->Start(), 'START_FORM');
// dumping the form elements
$ellist = $this->form->getElements();
reset($ellist);
while (list($k, $name) = each($ellist)) {
$itx->addContent($this->form->getElement($name), $name);
$itx->addContent($this->form->getLabel($name), 'LABEL_' . $name);
}
if ($this->first_call) {
// don't show error message the first time a page is presented
$this->first_call = false;
} else {
// show error messages
reset($valres);
while (list($name, $msg) = each($valres))
$itx->addContent($msg, 'ERROR_' . $name);
}
// closing form tag
if ($startfinish)
$itx->addContent($this->form->Finish(), 'END_FORM');
return $itx->get();
} // end func getFormPage
function isValid() {
// template pages are always valid
return ('form' != $this->type) ? true : parent::isValid();
} // end func isValid
function getValues() {
// template pages do not contain any values
return ('form' != $this->type) ? array() : parent::getValues();
} // end func getValues
} // end class page
?>
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