mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-11-15 11:28:25 +00:00
dd5f22418e
Data validation should work - not tested (will do it tomorrow). git-svn-id: https://svn.cakephp.org/repo/trunk/cake@265 3807eeeb-6ff5-0310-8944-8be069107fe0
671 lines
No EOL
19 KiB
PHP
671 lines
No EOL
19 KiB
PHP
<?php
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//////////////////////////////////////////////////////////////////////////
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// + $Id$
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// +------------------------------------------------------------------+ //
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// + Cake <https://developers.nextco.com/cake/> + //
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// + Copyright: (c) 2005, Cake Authors/Developers + //
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// + Author(s): Michal Tatarynowicz aka Pies <tatarynowicz@gmail.com> + //
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// + Larry E. Masters aka PhpNut <nut@phpnut.com> + //
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// + Kamil Dzielinski aka Brego <brego.dk@gmail.com> + //
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// +------------------------------------------------------------------+ //
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// + Licensed under The MIT License + //
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// + Redistributions of files must retain the above copyright notice. + //
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// + See: http://www.opensource.org/licenses/mit-license.php + //
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//////////////////////////////////////////////////////////////////////////
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/**
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* Purpose: Dispatcher
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* Dispatches the request, creating aproppriate models and controllers.
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*
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* @filesource
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* @author Cake Authors/Developers
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* @copyright Copyright (c) 2005, Cake Authors/Developers
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* @link https://developers.nextco.com/cake/wiki/Authors Authors/Developers
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* @package cake
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* @subpackage cake.libs.helpers
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* @since Cake v 0.2.9
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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/**
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* Html helper library.
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*
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* @package cake
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* @subpackage cake.libs.helpers
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* @since Cake v 0.9.1
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*
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*/
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class HtmlHelper
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{
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/**
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* Breadcrumbs.
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*
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* @var array
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* @access private
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*/
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var $_crumbs = array();
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var $base = null;
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var $here = null;
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var $params = array();
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var $action = null;
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var $data = null;
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/**
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* Returns given string trimmed to given length, adding an ending (default: "..") if necessary.
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*
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* @param string $string String to trim
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* @param integer $length Length of returned string, excluding ellipsis
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* @param string $ending Ending to be appended after trimmed string
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* @return string Trimmed string
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*/
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function trim($string, $length, $ending='..')
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{
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return substr($string, 0, $length).(strlen($string)>$length? $ending: null);
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}
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/**
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* Returns an URL for a combination of controller and action.
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*
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* @param string $url
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* @return string Full constructed URL as a string.
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*/
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function urlFor($url=null)
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{
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if (empty($url))
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{
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return $this->here;
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}
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elseif ($url[0] == '/')
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{
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$out = $this->base . $url;
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}
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else
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{
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$out = $this->base . '/' . strtolower($this->params['controller']) . '/' . $url;
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}
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return ereg_replace('&([^a])', '&\1', $out);
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}
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/**
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* Returns a space-separated string with items of the $options array.
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*
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* @param array $options Array of HTML options.
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* @param string $insert_before
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* @param unknown_type $insert_after
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* @return string
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*/
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function parseHtmlOptions($options, $exclude=null, $insert_before=' ', $insert_after=null)
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{
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if (!is_array($exclude)) $exclude = array();
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if (is_array($options))
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{
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$out = array();
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foreach ($options as $k=>$v)
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{
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if (!in_array($k, $exclude))
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{
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$out[] = "{$k}=\"{$v}\"";
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}
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}
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$out = join(' ', $out);
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return $out? $insert_before.$out.$insert_after: null;
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}
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else
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{
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return $options? $insert_before.$options.$insert_after: null;
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}
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}
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/**
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* Returns an HTML link to $url for given $title, optionally using $html_options and $confirm_message (for "flash").
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*
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* @param string $title The content of the A tag.
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* @param string $url
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* @param array $html_options Array of HTML options.
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* @param string $confirm_message Message to be shown in "flash".
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* @return string
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*/
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function linkTo($title, $url, $html_options=null, $confirm_message=false)
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{
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$confirm_message? $html_options['onClick'] = "return confirm('{$confirm_message}')": null;
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return sprintf(TAG_LINK, $this->urlFor($url), $this->parseHtmlOptions($html_options), $title);
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}
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/**
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* Returns an external HTML link to $url for given $title, optionally using $html_options.
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* The ereg_replace is to replace the '&' in the URL into & for XHTML purity.
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*
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* @param string $title
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* @param string $url
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* @param array $html_options
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* @return string
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*/
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function linkOut($title, $url=null, $html_options=null)
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{
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$url = $url? $url: $title;
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return sprintf(TAG_LINK, ereg_replace('&([^a])', '&\1', $url), $this->parseHtmlOptions($html_options), $title);
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}
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/**
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* Returns an HTML FORM element.
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*
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* @param string $target URL for the FORM's ACTION attribute.
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* @param string $type FORM type (POST/GET).
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* @param array $html_options
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* @return string An formatted opening FORM tag.
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*/
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function formTag($target=null, $type='post', $html_options=null)
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{
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$html_options['action'] = $this->UrlFor($target);
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$html_options['method'] = $type=='get'? 'get': 'post';
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$type == 'file'? $html_options['enctype'] = 'multipart/form-data': null;
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return sprintf(TAG_FORM, $this->parseHtmlOptions($html_options, null, ''));
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}
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/**
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* Returns a generic HTML tag (no content).
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*
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* Examples:
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* * <i>tag("br") => <br /></i>
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* * <i>tag("input", array("type" => "text")) => <input type="text" /></i>
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*
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* @param string $name Name of HTML element
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* @param array $options HTML options
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* @param bool $open Is the tag open or closed? (defaults to closed "/>")
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* @return string The formatted HTML tag
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*/
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function tag($name, $options=null, $open=false)
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{
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$tag = "<$name ". $this->parseHtmlOptions($options);
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$tag .= $open? ">" : " />";
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return $tag;
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}
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/**
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* Returns a generic HTML tag with content.
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*
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* Examples:
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* * <i>content_tag("p", "Hello world!") => <p>Hello world!</p></i>
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* * <i>content_tag("div", content_tag("p", "Hello world!"), array("class" => "strong")) => </i>
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* <i><div class="strong"><p>Hello world!</p></div></i>
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*
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* @param string $name Name of HTML element
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* @param array $options HTML options
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* @param bool $open Is the tag open or closed? (defaults to closed "/>")
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* @return string The formatted HTML tag
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*/
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function contentTag($name, $content, $options=null)
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{
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return "<$name ". $this->parseHtmlOptions($options). ">$content</$name>";
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}
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/**
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* Returns a formatted SUBMIT button for HTML FORMs.
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*
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* @param string $caption Text on SUBMIT button
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* @param array $html_options HTML options
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* @return string The formatted SUBMIT button
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*/
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function submitTag($caption='Submit', $html_options=null)
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{
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$html_options['value'] = $caption;
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return sprintf(TAG_SUBMIT, $this->parseHtmlOptions($html_options, null, '', ' '));
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}
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/**
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* Returns a formatted INPUT tag for HTML FORMs.
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*
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* @param string $tag_name Name attribute for INPUT element
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* @param int $size Size attribute for INPUT element
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* @param array $html_options
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* @return string The formatted INPUT element
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*/
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function inputTag($tag_name, $size=20, $html_options=null)
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{
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$html_options['size'] = $size;
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$html_options['value'] = isset($html_options['value'])? $html_options['value']: $this->tagValue($tag_name);
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$this->tagIsInvalid($tag_name)? $html_options['class'] = 'form_error': null;
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return sprintf(TAG_INPUT, $tag_name, $this->parseHtmlOptions($html_options, null, '', ' '));
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}
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/**
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* Returns an INPUT element with type="password".
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*
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* @param string $tag_name
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* @param int $size
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* @param array $html_options
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* @return string
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*/
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function passwordTag($tag_name, $size=20, $html_options=null)
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{
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$html_options['size'] = $size;
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empty($html_options['value'])? $html_options['value'] = $this->tagValue($tag_name): null;
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return sprintf(TAG_PASSWORD, $tag_name, $this->parseHtmlOptions($html_options, null, '', ' '));
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}
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/**
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* Returns an INPUT element with type="hidden".
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*
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* @param string $tag_name
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* @param string $value
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* @param array $html_options
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* @return string
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*/
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function hiddenTag($tag_name, $value=null, $html_options=null)
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{
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$html_options['value'] = $value? $value: $this->tagValue($tag_name);
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return sprintf(TAG_HIDDEN, $tag_name, $this->parseHtmlOptions($html_options, null, '', ' '));
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}
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/**
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* Returns an INPUT element with type="file".
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*
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* @param string $tag_name
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* @param array $html_options
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* @return string
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*/
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function fileTag($tag_name, $html_options=null)
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{
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return sprintf(TAG_FILE, $tag_name, $this->parseHtmlOptions($html_options, null, '', ' '));
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}
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/**
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* Returns a TEXTAREA element.
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*
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* @param string $tag_name
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* @param int $cols
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* @param int $rows
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* @param array $html_options
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* @return string
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*/
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function areaTag($tag_name, $cols=60, $rows=10, $html_options=null)
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{
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$value = empty($html_options['value'])? $this->tagValue($tag_name): empty($html_options['value']);
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$html_options['cols'] = $cols;
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$html_options['rows'] = $rows;
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return sprintf(TAG_AREA, $tag_name, $this->parseHtmlOptions($html_options, null, ' '), $value);
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}
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/**
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* Returns an INPUT element with type="checkbox". Checkedness is to be passed as string "checked" with the key "checked" in the $html_options array.
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*
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* @param string $tag_name
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* @param string $title
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* @param array $html_options
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* @return string
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*/
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function checkboxTag($tag_name, $title=null, $html_options=null)
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{
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$this->tagValue($tag_name)? $html_options['checked'] = 'checked': null;
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$title = $title? $title: ucfirst($tag_name);
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return sprintf(TAG_CHECKBOX, $tag_name, $tag_name, $tag_name, $this->parseHtmlOptions($html_options, null, '', ' '), $title);
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}
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/**
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* Returns a set of radio buttons.
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*
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* @param string $tag_name
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* @param array $options Array of options to select from
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* @param string $inbetween String to separate options. See PHP's implode() function
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* @param array $html_options
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* @return string
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*/
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function radioTags($tag_name, $options, $inbetween=null, $html_options=null)
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{
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$value = isset($html_options['value'])? $html_options['value']: $this->tagValue($tag_name);
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$out = array();
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foreach ($options as $opt_value=>$opt_title)
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{
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$options_here = array('value' => $opt_value);
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$opt_value==$value? $options_here['checked'] = 'checked': null;
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$parsed_options = $this->parseHtmlOptions(array_merge($html_options, $options_here), null, '', ' ');
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$individual_tag_name = "{$tag_name}_{$opt_value}";
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$out[] = sprintf(TAG_RADIOS, $individual_tag_name, $tag_name, $individual_tag_name, $parsed_options, $opt_title);
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}
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$out = join($inbetween, $out);
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return $out? $out: null;
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}
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/**
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* Returns a SELECT element,
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*
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* @param string $tag_name Name attribute of the SELECT
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* @param array $option_elements Array of the OPTION elements (as 'value'=>'Text' pairs) to be used in the SELECT element
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* @param array $select_attr Array of HTML options for the opening SELECT element
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* @param array $option_attr Array of HTML options for the enclosed OPTION elements
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* @return string Formatted SELECT element
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*/
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function selectTag($tag_name, $option_elements, $selected=null, $select_attr=null, $option_attr=null)
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{
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if (!is_array($option_elements) || !count($option_elements))
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return null;
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$select[] = sprintf(TAG_SELECT_START, $tag_name, $this->parseHtmlOptions($select_attr));
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$select[] = sprintf(TAG_SELECT_EMPTY, $this->parseHtmlOptions($option_attr));
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foreach ($option_elements as $name=>$title)
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{
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$options_here = $option_attr;
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if ($selected == $name)
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$options_here['selected'] = 'selected';
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$select[] = sprintf(TAG_SELECT_OPTION, $name, $this->parseHtmlOptions($options_here), $title);
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}
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$select[] = sprintf(TAG_SELECT_END);
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return implode("\n", $select);
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}
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/**
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* Returns a formatted IMG element.
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*
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* @param string $path Path to the image file
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* @param string $alt ALT attribute for the IMG tag
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* @param array $html_options
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* @return string Formatted IMG tag
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*/
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function imageTag($path, $alt=null, $html_options=null)
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{
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$url = $this->base.IMAGES_URL.$path;
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return sprintf(TAG_IMAGE, $url, $alt, $this->parseHtmlOptions($html_options, null, '', ' '));
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}
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/**
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* Returns a mailto: link.
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*
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* @param string $title Title of the link, or the e-mail address (if the same)
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* @param string $email E-mail address if different from title
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* @param array $options
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* @return string Formatted A tag
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*/
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function linkEmail($title, $email=null, $options=null)
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{
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// if no $email, then title contains the email.
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if (empty($email)) $email = $title;
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$match = array();
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// does the address contain extra attributes?
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preg_match('!^(.*)(\?.*)$!', $email, $match);
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// plaintext
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if (empty($options['encode']) || !empty($match[2]))
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{
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return sprintf(TAG_MAILTO, $email, $this->parseHtmlOptions($options), $title);
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}
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// encoded to avoid spiders
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else
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{
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$email_encoded = null;
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for ($ii=0; $ii < strlen($email); $ii++)
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{
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if(preg_match('!\w!',$email[$ii]))
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{
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$email_encoded .= '%' . bin2hex($email[$ii]);
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}
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else
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{
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$email_encoded .= $email[$ii];
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}
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}
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$title_encoded = null;
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for ($ii=0; $ii < strlen($title); $ii++)
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{
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$title_encoded .= preg_match('/^[A-Za-z0-9]$/', $title[$ii])? '&#x' . bin2hex($title[$ii]).';': $title[$ii];
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}
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return sprintf(TAG_MAILTO, $email_encoded, $this->parseHtmlOptions($options, array('encode')), $title_encoded);
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}
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}
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/**
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* Returns a LINK element for CSS stylesheets.
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*
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* @param string $path Path to CSS file
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* @param string $rel Rel attribute. Defaults to "stylesheet".
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* @param array $html_options
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* @return string Formatted LINK element.
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*/
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function cssTag($path, $rel='stylesheet', $html_options=null)
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{
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$url = "{$this->base}/".(COMPRESS_CSS? 'c': '')."css/{$path}.css";
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return sprintf(TAG_CSS, $rel, $url, $this->parseHtmlOptions($html_options, null, '', ' '));
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}
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/**
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* Returns a charset meta-tag
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*
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* @param string $charset
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* @return string
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*/
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function charsetTag($charset)
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{
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return sprintf(TAG_CHARSET, $charset);
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}
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/**
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* Returns a JavaScript script tag.
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*
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* @param string $script The JavaScript to be wrapped in SCRIPT tags.
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* @return string The full SCRIPT element, with the JavaScript inside it.
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*/
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function javascriptTag($script)
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{
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return sprintf(TAG_JAVASCRIPT, $script);
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}
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/**
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* Returns a JavaScript include tag
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*
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* @param string $url URL to JavaScript file.
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* @return string
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*/
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function javascriptIncludeTag($url)
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{
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return sprintf(TAG_JAVASCRIPT_INCLUDE, $this->base.$url);
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}
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/**
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* Returns a row of formatted and named TABLE headers.
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*
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* @param array $names
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* @param array $tr_options
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* @param array $th_options
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* @return string
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*/
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function tableHeaders($names, $tr_options=null, $th_options=null)
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{
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$out = array();
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foreach ($names as $arg)
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{
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$out[] = sprintf(TAG_TABLE_HEADER, $this->parseHtmlOptions($th_options), $arg);
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}
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return sprintf(TAG_TABLE_HEADERS, $this->parseHtmlOptions($tr_options), join(' ', $out));
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}
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/**
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* Returns a formatted string of table rows (TR's with TD's in them).
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*
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* @param array $data Array of table data
|
|
* @param array $tr_options HTML options for TR elements
|
|
* @param array $td_options HTML options for TD elements
|
|
* @return string
|
|
*/
|
|
function tableCells($data, $odd_tr_options=null, $even_tr_options=null)
|
|
{
|
|
if (empty($data[0]) || !is_array($data[0]))
|
|
{
|
|
$data = array($data);
|
|
}
|
|
|
|
$count=0;
|
|
foreach ($data as $line)
|
|
{
|
|
$count++;
|
|
$cells_out = array();
|
|
foreach ($line as $cell)
|
|
{
|
|
$cells_out[] = sprintf(TAG_TABLE_CELL, null, $cell);
|
|
}
|
|
|
|
$options = $this->parseHtmlOptions($count%2? $odd_tr_options: $even_tr_options);
|
|
$out[] = sprintf(TAG_TABLE_ROW, $options, join(' ', $cells_out));
|
|
}
|
|
|
|
return join("\n", $out);
|
|
}
|
|
|
|
/**
|
|
* Generates a nested <UL> (unordered list) tree from an array
|
|
*
|
|
* @param array $data
|
|
* @param array $htmlOptions
|
|
* @param string $bodyKey
|
|
* @param childrenKey $bodyKey
|
|
* @return string
|
|
*/
|
|
function guiListTree($data, $htmlOptions=null, $bodyKey='body', $childrenKey='children')
|
|
{
|
|
$out = "<ul".$this->parseHtmlOptions($htmlOptions).">\n";
|
|
|
|
foreach ($data as $item)
|
|
{
|
|
$out .= "<li>{$item[$bodyKey]}</li>\n";
|
|
if (isset($item[$childrenKey]) && is_array($item[$childrenKey]) && count($item[$childrenKey]))
|
|
{
|
|
$out .= $this->guiListTree($item[$childrenKey], $htmlOptions, $bodyKey, $childrenKey);
|
|
}
|
|
}
|
|
|
|
$out .= "</ul>\n";
|
|
|
|
return $out;
|
|
}
|
|
|
|
/**
|
|
* Adds $name and $link to the breadcrumbs array.
|
|
*
|
|
* @param string $name Text for link
|
|
* @param string $link URL for link
|
|
*/
|
|
function addCrumb($name, $link)
|
|
{
|
|
$this->_crumbs[] = array ($name, $link);
|
|
}
|
|
|
|
/**
|
|
* Returns the breadcrumb trail as a sequence of »-separated links.
|
|
*
|
|
* @param string $separator Text to separate crumbs.
|
|
* @return string Formatted -separated list of breadcrumb links. Returns NULL if $this->_crumbs is empty.
|
|
*/
|
|
function getCrumbs($separator = '»')
|
|
{
|
|
|
|
if (count($this->_crumbs))
|
|
{
|
|
|
|
$out = array("<a href=\"{$this->base}\">START</a>");
|
|
foreach ($this->_crumbs as $crumb)
|
|
{
|
|
$out[] = "<a href=\"{$this->base}{$crumb[1]}\">{$crumb[0]}</a>";
|
|
}
|
|
|
|
return join($separator, $out);
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns value of $tag_name. False is the tag does not exist.
|
|
*
|
|
* @param string $tag_name
|
|
* @return unknown Value of the named tag.
|
|
*/
|
|
function tagValue ($tag_name)
|
|
{
|
|
return isset($this->params['data'][$tag_name])? $this->params['data'][$tag_name]: false;
|
|
}
|
|
|
|
/**
|
|
* Returns false if given FORM field has no errors. Otherwise it returns the constant set in the array Model->validationErrors.
|
|
*
|
|
* @param unknown_type $field
|
|
* @return unknown
|
|
*/
|
|
function tagIsInvalid ($field)
|
|
{
|
|
return empty($this->validationErrors[$field])? 0: $this->validationErrors[$field];
|
|
}
|
|
|
|
/**
|
|
* Returns number of errors in a submitted FORM.
|
|
*
|
|
* @return int Number of errors
|
|
*/
|
|
function validate ()
|
|
{
|
|
$args = func_get_args();
|
|
$errors = call_user_func_array(array(&$this, 'validateErrors'), $args);
|
|
|
|
return count($errors);
|
|
}
|
|
|
|
/**
|
|
* Validates a FORM according to the rules set up in the Model.
|
|
*
|
|
* @return int Number of errors
|
|
*/
|
|
function validateErrors ()
|
|
{
|
|
$objects = func_get_args();
|
|
if (!count($objects)) return false;
|
|
|
|
$errors = array();
|
|
foreach ($objects as $object)
|
|
{
|
|
$errors = array_merge($errors, $object->invalidFields($object->data));
|
|
}
|
|
|
|
return $this->validationErrors = (count($errors)? $errors: false);
|
|
}
|
|
|
|
/**
|
|
* Returns a formatted error message for given FORM field, NULL if no errors.
|
|
*
|
|
* @param string $field
|
|
* @param string $text
|
|
* @return string If there are errors this method returns an error message, else NULL.
|
|
*/
|
|
function tagErrorMsg ($field, $text)
|
|
{
|
|
$error = $this->tagIsInvalid($field);
|
|
|
|
if (0 == $error)
|
|
{
|
|
return sprintf(SHORT_ERROR_MESSAGE, is_array($text)? (empty($text[$error-1])? 'Error in field': $text[$error-1]): $text);
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|
|
?>
|