cakephp2-php8/lib/Cake/View/Helper/HtmlHelper.php
mark_story 8d38861a2e Fix missing HTML encoding on URL's generated by Html->meta().
The input URL was not correctly handled as an asset URL and thus was
not correctly HTML or URL escaped. This created invalid HTML when
favicon URLs included query string arguments.

Refs #2233
2013-11-09 14:31:09 -05:00

1248 lines
41 KiB
PHP

<?php
/**
* Html Helper class file.
*
* Simplifies the construction of HTML elements.
*
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @package Cake.View.Helper
* @since CakePHP(tm) v 0.9.1
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
App::uses('AppHelper', 'View/Helper');
App::uses('CakeResponse', 'Network');
/**
* Html Helper class for easy use of HTML widgets.
*
* HtmlHelper encloses all methods needed while working with HTML pages.
*
* @package Cake.View.Helper
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html
*/
class HtmlHelper extends AppHelper {
/**
* Reference to the Response object
*
* @var CakeResponse
*/
public $response;
/**
* html tags used by this helper.
*
* @var array
*/
protected $_tags = array(
'meta' => '<meta%s/>',
'metalink' => '<link href="%s"%s/>',
'link' => '<a href="%s"%s>%s</a>',
'mailto' => '<a href="mailto:%s" %s>%s</a>',
'form' => '<form action="%s"%s>',
'formend' => '</form>',
'input' => '<input name="%s"%s/>',
'textarea' => '<textarea name="%s"%s>%s</textarea>',
'hidden' => '<input type="hidden" name="%s"%s/>',
'checkbox' => '<input type="checkbox" name="%s" %s/>',
'checkboxmultiple' => '<input type="checkbox" name="%s[]"%s />',
'radio' => '<input type="radio" name="%s" id="%s"%s />%s',
'selectstart' => '<select name="%s"%s>',
'selectmultiplestart' => '<select name="%s[]"%s>',
'selectempty' => '<option value=""%s>&nbsp;</option>',
'selectoption' => '<option value="%s"%s>%s</option>',
'selectend' => '</select>',
'optiongroup' => '<optgroup label="%s"%s>',
'optiongroupend' => '</optgroup>',
'checkboxmultiplestart' => '',
'checkboxmultipleend' => '',
'password' => '<input type="password" name="%s" %s/>',
'file' => '<input type="file" name="%s" %s/>',
'file_no_model' => '<input type="file" name="%s" %s/>',
'submit' => '<input %s/>',
'submitimage' => '<input type="image" src="%s" %s/>',
'button' => '<button%s>%s</button>',
'image' => '<img src="%s" %s/>',
'tableheader' => '<th%s>%s</th>',
'tableheaderrow' => '<tr%s>%s</tr>',
'tablecell' => '<td%s>%s</td>',
'tablerow' => '<tr%s>%s</tr>',
'block' => '<div%s>%s</div>',
'blockstart' => '<div%s>',
'blockend' => '</div>',
'hiddenblock' => '<div style="display:none;">%s</div>',
'tag' => '<%s%s>%s</%s>',
'tagstart' => '<%s%s>',
'tagend' => '</%s>',
'tagselfclosing' => '<%s%s/>',
'para' => '<p%s>%s</p>',
'parastart' => '<p%s>',
'label' => '<label for="%s"%s>%s</label>',
'fieldset' => '<fieldset%s>%s</fieldset>',
'fieldsetstart' => '<fieldset><legend>%s</legend>',
'fieldsetend' => '</fieldset>',
'legend' => '<legend>%s</legend>',
'css' => '<link rel="%s" type="text/css" href="%s" %s/>',
'style' => '<style type="text/css"%s>%s</style>',
'charset' => '<meta http-equiv="Content-Type" content="text/html; charset=%s" />',
'ul' => '<ul%s>%s</ul>',
'ol' => '<ol%s>%s</ol>',
'li' => '<li%s>%s</li>',
'error' => '<div%s>%s</div>',
'javascriptblock' => '<script%s>%s</script>',
'javascriptstart' => '<script>',
'javascriptlink' => '<script type="text/javascript" src="%s"%s></script>',
'javascriptend' => '</script>'
);
/**
* Breadcrumbs.
*
* @var array
*/
protected $_crumbs = array();
/**
* Names of script files that have been included once
*
* @var array
*/
protected $_includedScripts = array();
/**
* Options for the currently opened script block buffer if any.
*
* @var array
*/
protected $_scriptBlockOptions = array();
/**
* Document type definitions
*
* @var array
*/
protected $_docTypes = array(
'html4-strict' => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">',
'html4-trans' => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">',
'html4-frame' => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">',
'html5' => '<!DOCTYPE html>',
'xhtml-strict' => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">',
'xhtml-trans' => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">',
'xhtml-frame' => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">',
'xhtml11' => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'
);
/**
* Constructor
*
* ### Settings
*
* - `configFile` A file containing an array of tags you wish to redefine.
*
* ### Customizing tag sets
*
* Using the `configFile` option you can redefine the tag HtmlHelper will use.
* The file named should be compatible with HtmlHelper::loadConfig().
*
* @param View $View The View this helper is being attached to.
* @param array $settings Configuration settings for the helper.
*/
public function __construct(View $View, $settings = array()) {
parent::__construct($View, $settings);
if (is_object($this->_View->response)) {
$this->response = $this->_View->response;
} else {
$this->response = new CakeResponse();
}
if (!empty($settings['configFile'])) {
$this->loadConfig($settings['configFile']);
}
}
/**
* Adds a link to the breadcrumbs array.
*
* @param string $name Text for link
* @param string $link URL for link (if empty it won't be a link)
* @param string|array $options Link attributes e.g. array('id' => 'selected')
* @return void
* @see HtmlHelper::link() for details on $options that can be used.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#creating-breadcrumb-trails-with-htmlhelper
*/
public function addCrumb($name, $link = null, $options = null) {
$this->_crumbs[] = array($name, $link, $options);
}
/**
* Returns a doctype string.
*
* Possible doctypes:
*
* - html4-strict: HTML4 Strict.
* - html4-trans: HTML4 Transitional.
* - html4-frame: HTML4 Frameset.
* - html5: HTML5. Default value.
* - xhtml-strict: XHTML1 Strict.
* - xhtml-trans: XHTML1 Transitional.
* - xhtml-frame: XHTML1 Frameset.
* - xhtml11: XHTML1.1.
*
* @param string $type Doctype to use.
* @return string Doctype string
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::docType
*/
public function docType($type = 'html5') {
if (isset($this->_docTypes[$type])) {
return $this->_docTypes[$type];
}
return null;
}
/**
* Creates a link to an external resource and handles basic meta tags
*
* Create a meta tag that is output inline:
*
* `$this->Html->meta('icon', 'favicon.ico');
*
* Append the meta tag to `$scripts_for_layout`:
*
* `$this->Html->meta('description', 'A great page', array('inline' => false));`
*
* Append the meta tag to custom view block:
*
* `$this->Html->meta('description', 'A great page', array('block' => 'metaTags'));`
*
* ### Options
*
* - `inline` Whether or not the link element should be output inline. Set to false to
* have the meta tag included in `$scripts_for_layout`, and appended to the 'meta' view block.
* - `block` Choose a custom block to append the meta tag to. Using this option
* will override the inline option.
*
* @param string $type The title of the external resource
* @param string|array $url The address of the external resource or string for content attribute
* @param array $options Other attributes for the generated tag. If the type attribute is html,
* rss, atom, or icon, the mime-type is returned.
* @return string A completed `<link />` element.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::meta
*/
public function meta($type, $url = null, $options = array()) {
$options += array('inline' => true, 'block' => null);
if (!$options['inline'] && empty($options['block'])) {
$options['block'] = __FUNCTION__;
}
unset($options['inline']);
if (!is_array($type)) {
$types = array(
'rss' => array('type' => 'application/rss+xml', 'rel' => 'alternate', 'title' => $type, 'link' => $url),
'atom' => array('type' => 'application/atom+xml', 'title' => $type, 'link' => $url),
'icon' => array('type' => 'image/x-icon', 'rel' => 'icon', 'link' => $url),
'keywords' => array('name' => 'keywords', 'content' => $url),
'description' => array('name' => 'description', 'content' => $url),
);
if ($type === 'icon' && $url === null) {
$types['icon']['link'] = $this->webroot('favicon.ico');
}
if (isset($types[$type])) {
$type = $types[$type];
} elseif (!isset($options['type']) && $url !== null) {
if (is_array($url) && isset($url['ext'])) {
$type = $types[$url['ext']];
} else {
$type = $types['rss'];
}
} elseif (isset($options['type']) && isset($types[$options['type']])) {
$type = $types[$options['type']];
unset($options['type']);
} else {
$type = array();
}
}
$options = array_merge($type, $options);
$out = null;
if (isset($options['link'])) {
$options['link'] = $this->assetUrl($options['link']);
if (isset($options['rel']) && $options['rel'] === 'icon') {
$out = sprintf($this->_tags['metalink'], $options['link'], $this->_parseAttributes($options, array('block', 'link'), ' ', ' '));
$options['rel'] = 'shortcut icon';
}
$out .= sprintf($this->_tags['metalink'], $options['link'], $this->_parseAttributes($options, array('block', 'link'), ' ', ' '));
} else {
$out = sprintf($this->_tags['meta'], $this->_parseAttributes($options, array('block', 'type'), ' ', ' '));
}
if (empty($options['block'])) {
return $out;
}
$this->_View->append($options['block'], $out);
}
/**
* Returns a charset META-tag.
*
* @param string $charset The character set to be used in the meta tag. If empty,
* The App.encoding value will be used. Example: "utf-8".
* @return string A meta tag containing the specified character set.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::charset
*/
public function charset($charset = null) {
if (empty($charset)) {
$charset = strtolower(Configure::read('App.encoding'));
}
return sprintf($this->_tags['charset'], (!empty($charset) ? $charset : 'utf-8'));
}
/**
* Creates an HTML link.
*
* If $url starts with "http://" this is treated as an external link. Else,
* it is treated as a path to controller/action and parsed with the
* HtmlHelper::url() method.
*
* If the $url is empty, $title is used instead.
*
* ### Options
*
* - `escape` Set to false to disable escaping of title and attributes.
* - `escapeTitle` Set to false to disable escaping of title. (Takes precedence over value of `escape`)
* - `confirm` JavaScript confirmation message.
*
* @param string $title The content to be wrapped by <a> tags.
* @param string|array $url Cake-relative URL or array of URL parameters, or external URL (starts with http://)
* @param array $options Array of options and HTML attributes.
* @param string $confirmMessage JavaScript confirmation message.
* @return string An `<a />` element.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::link
*/
public function link($title, $url = null, $options = array(), $confirmMessage = false) {
$escapeTitle = true;
if ($url !== null) {
$url = $this->url($url);
} else {
$url = $this->url($title);
$title = htmlspecialchars_decode($url, ENT_QUOTES);
$title = h(urldecode($title));
$escapeTitle = false;
}
if (isset($options['escapeTitle'])) {
$escapeTitle = $options['escapeTitle'];
unset($options['escapeTitle']);
} elseif (isset($options['escape'])) {
$escapeTitle = $options['escape'];
}
if ($escapeTitle === true) {
$title = h($title);
} elseif (is_string($escapeTitle)) {
$title = htmlentities($title, ENT_QUOTES, $escapeTitle);
}
if (!empty($options['confirm'])) {
$confirmMessage = $options['confirm'];
unset($options['confirm']);
}
if ($confirmMessage) {
$options['onclick'] = $this->_confirm($confirmMessage, 'return true;', 'return false;', $options);
} elseif (isset($options['default']) && !$options['default']) {
if (isset($options['onclick'])) {
$options['onclick'] .= ' ';
} else {
$options['onclick'] = '';
}
$options['onclick'] .= 'event.returnValue = false; return false;';
unset($options['default']);
}
return sprintf($this->_tags['link'], $url, $this->_parseAttributes($options), $title);
}
/**
* Creates a link element for CSS stylesheets.
*
* ### Usage
*
* Include one CSS file:
*
* `echo $this->Html->css('styles.css');`
*
* Include multiple CSS files:
*
* `echo $this->Html->css(array('one.css', 'two.css'));`
*
* Add the stylesheet to the `$scripts_for_layout` layout var:
*
* `$this->Html->css('styles.css', array('inline' => false));`
*
* Add the stylesheet to a custom block:
*
* `$this->Html->css('styles.css', array('block' => 'layoutCss'));`
*
* ### Options
*
* - `inline` If set to false, the generated tag will be appended to the 'css' block,
* and included in the `$scripts_for_layout` layout variable. Defaults to true.
* - `block` Set the name of the block link/style tag will be appended to.
* This overrides the `inline` option.
* - `plugin` False value will prevent parsing path as a plugin
* - `rel` Defaults to 'stylesheet'. If equal to 'import' the stylesheet will be imported.
* - `fullBase` If true the URL will get a full address for the css file.
*
* @param string|array $path The name of a CSS style sheet or an array containing names of
* CSS stylesheets. If `$path` is prefixed with '/', the path will be relative to the webroot
* of your application. Otherwise, the path will be relative to your CSS path, usually webroot/css.
* @param array $options Array of options and HTML arguments.
* @return string CSS <link /> or <style /> tag, depending on the type of link.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::css
*/
public function css($path, $options = array()) {
if (!is_array($options)) {
$rel = $options;
$options = array();
if ($rel) {
$options['rel'] = $rel;
}
if (func_num_args() > 2) {
$options = func_get_arg(2) + $options;
}
unset($rel);
}
$options += array('block' => null, 'inline' => true, 'rel' => 'stylesheet');
if (!$options['inline'] && empty($options['block'])) {
$options['block'] = __FUNCTION__;
}
unset($options['inline']);
if (is_array($path)) {
$out = '';
foreach ($path as $i) {
$out .= "\n\t" . $this->css($i, $options);
}
if (empty($options['block'])) {
return $out . "\n";
}
return;
}
if (strpos($path, '//') !== false) {
$url = $path;
} else {
$url = $this->assetUrl($path, $options + array('pathPrefix' => Configure::read('App.cssBaseUrl'), 'ext' => '.css'));
$options = array_diff_key($options, array('fullBase' => null, 'pathPrefix' => null));
if (Configure::read('Asset.filter.css')) {
$pos = strpos($url, Configure::read('App.cssBaseUrl'));
if ($pos !== false) {
$url = substr($url, 0, $pos) . 'ccss/' . substr($url, $pos + strlen(Configure::read('App.cssBaseUrl')));
}
}
}
if ($options['rel'] == 'import') {
$out = sprintf(
$this->_tags['style'],
$this->_parseAttributes($options, array('rel', 'block'), '', ' '),
'@import url(' . $url . ');'
);
} else {
$out = sprintf(
$this->_tags['css'],
$options['rel'],
$url,
$this->_parseAttributes($options, array('rel', 'block'), '', ' ')
);
}
if (empty($options['block'])) {
return $out;
}
$this->_View->append($options['block'], $out);
}
/**
* Returns one or many `<script>` tags depending on the number of scripts given.
*
* If the filename is prefixed with "/", the path will be relative to the base path of your
* application. Otherwise, the path will be relative to your JavaScript path, usually webroot/js.
*
*
* ### Usage
*
* Include one script file:
*
* `echo $this->Html->script('styles.js');`
*
* Include multiple script files:
*
* `echo $this->Html->script(array('one.js', 'two.js'));`
*
* Add the script file to the `$scripts_for_layout` layout var:
*
* `$this->Html->script('styles.js', array('inline' => false));`
*
* Add the script file to a custom block:
*
* `$this->Html->script('styles.js', null, array('block' => 'bodyScript'));`
*
* ### Options
*
* - `inline` Whether script should be output inline or into `$scripts_for_layout`. When set to false,
* the script tag will be appended to the 'script' view block as well as `$scripts_for_layout`.
* - `block` The name of the block you want the script appended to. Leave undefined to output inline.
* Using this option will override the inline option.
* - `once` Whether or not the script should be checked for uniqueness. If true scripts will only be
* included once, use false to allow the same script to be included more than once per request.
* - `plugin` False value will prevent parsing path as a plugin
* - `fullBase` If true the url will get a full address for the script file.
*
* @param string|array $url String or array of javascript files to include
* @param array|boolean $options Array of options, and html attributes see above. If boolean sets $options['inline'] = value
* @return mixed String of `<script />` tags or null if $inline is false or if $once is true and the file has been
* included before.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::script
*/
public function script($url, $options = array()) {
if (is_bool($options)) {
list($inline, $options) = array($options, array());
$options['inline'] = $inline;
}
$options = array_merge(array('block' => null, 'inline' => true, 'once' => true), $options);
if (!$options['inline'] && empty($options['block'])) {
$options['block'] = __FUNCTION__;
}
unset($options['inline']);
if (is_array($url)) {
$out = '';
foreach ($url as $i) {
$out .= "\n\t" . $this->script($i, $options);
}
if (empty($options['block'])) {
return $out . "\n";
}
return null;
}
if ($options['once'] && isset($this->_includedScripts[$url])) {
return null;
}
$this->_includedScripts[$url] = true;
if (strpos($url, '//') === false) {
$url = $this->assetUrl($url, $options + array('pathPrefix' => Configure::read('App.jsBaseUrl'), 'ext' => '.js'));
$options = array_diff_key($options, array('fullBase' => null, 'pathPrefix' => null));
if (Configure::read('Asset.filter.js')) {
$url = str_replace(Configure::read('App.jsBaseUrl'), 'cjs/', $url);
}
}
$attributes = $this->_parseAttributes($options, array('block', 'once'), ' ');
$out = sprintf($this->_tags['javascriptlink'], $url, $attributes);
if (empty($options['block'])) {
return $out;
}
$this->_View->append($options['block'], $out);
}
/**
* Wrap $script in a script tag.
*
* ### Options
*
* - `safe` (boolean) Whether or not the $script should be wrapped in <![CDATA[ ]]>
* - `inline` (boolean) Whether or not the $script should be added to
* `$scripts_for_layout` / `script` block, or output inline. (Deprecated, use `block` instead)
* - `block` Which block you want this script block appended to.
* Defaults to `script`.
*
* @param string $script The script to wrap
* @param array $options The options to use. Options not listed above will be
* treated as HTML attributes.
* @return mixed string or null depending on the value of `$options['block']`
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::scriptBlock
*/
public function scriptBlock($script, $options = array()) {
$options += array('type' => 'text/javascript', 'safe' => true, 'inline' => true);
if ($options['safe']) {
$script = "\n" . '//<![CDATA[' . "\n" . $script . "\n" . '//]]>' . "\n";
}
if (!$options['inline'] && empty($options['block'])) {
$options['block'] = 'script';
}
unset($options['inline'], $options['safe']);
$attributes = $this->_parseAttributes($options, array('block'), ' ');
$out = sprintf($this->_tags['javascriptblock'], $attributes, $script);
if (empty($options['block'])) {
return $out;
}
$this->_View->append($options['block'], $out);
}
/**
* Begin a script block that captures output until HtmlHelper::scriptEnd()
* is called. This capturing block will capture all output between the methods
* and create a scriptBlock from it.
*
* ### Options
*
* - `safe` Whether the code block should contain a CDATA
* - `inline` Should the generated script tag be output inline or in `$scripts_for_layout`
*
* @param array $options Options for the code block.
* @return void
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::scriptStart
*/
public function scriptStart($options = array()) {
$options += array('safe' => true, 'inline' => true);
$this->_scriptBlockOptions = $options;
ob_start();
return null;
}
/**
* End a Buffered section of JavaScript capturing.
* Generates a script tag inline or in `$scripts_for_layout` depending on the settings
* used when the scriptBlock was started
*
* @return mixed depending on the settings of scriptStart() either a script tag or null
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::scriptEnd
*/
public function scriptEnd() {
$buffer = ob_get_clean();
$options = $this->_scriptBlockOptions;
$this->_scriptBlockOptions = array();
return $this->scriptBlock($buffer, $options);
}
/**
* Builds CSS style data from an array of CSS properties
*
* ### Usage:
*
* {{{
* echo $this->Html->style(array('margin' => '10px', 'padding' => '10px'), true);
*
* // creates
* 'margin:10px;padding:10px;'
* }}}
*
* @param array $data Style data array, keys will be used as property names, values as property values.
* @param boolean $oneline Whether or not the style block should be displayed on one line.
* @return string CSS styling data
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::style
*/
public function style($data, $oneline = true) {
if (!is_array($data)) {
return $data;
}
$out = array();
foreach ($data as $key => $value) {
$out[] = $key . ':' . $value . ';';
}
if ($oneline) {
return implode(' ', $out);
}
return implode("\n", $out);
}
/**
* Returns the breadcrumb trail as a sequence of &raquo;-separated links.
*
* If `$startText` is an array, the accepted keys are:
*
* - `text` Define the text/content for the link.
* - `url` Define the target of the created link.
*
* All other keys will be passed to HtmlHelper::link() as the `$options` parameter.
*
* @param string $separator Text to separate crumbs.
* @param string|array|boolean $startText This will be the first crumb, if false it defaults to first crumb in array. Can
* also be an array, see above for details.
* @return string Composed bread crumbs
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#creating-breadcrumb-trails-with-htmlhelper
*/
public function getCrumbs($separator = '&raquo;', $startText = false) {
$crumbs = $this->_prepareCrumbs($startText);
if (!empty($crumbs)) {
$out = array();
foreach ($crumbs as $crumb) {
if (!empty($crumb[1])) {
$out[] = $this->link($crumb[0], $crumb[1], $crumb[2]);
} else {
$out[] = $crumb[0];
}
}
return implode($separator, $out);
}
return null;
}
/**
* Returns breadcrumbs as a (x)html list
*
* This method uses HtmlHelper::tag() to generate list and its elements. Works
* similar to HtmlHelper::getCrumbs(), so it uses options which every
* crumb was added with.
*
* ### Options
* - `separator` Separator content to insert in between breadcrumbs, defaults to ''
* - `firstClass` Class for wrapper tag on the first breadcrumb, defaults to 'first'
* - `lastClass` Class for wrapper tag on current active page, defaults to 'last'
*
* @param array $options Array of html attributes to apply to the generated list elements.
* @param string|array|boolean $startText This will be the first crumb, if false it defaults to first crumb in array. Can
* also be an array, see `HtmlHelper::getCrumbs` for details.
* @return string breadcrumbs html list
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#creating-breadcrumb-trails-with-htmlhelper
*/
public function getCrumbList($options = array(), $startText = false) {
$defaults = array('firstClass' => 'first', 'lastClass' => 'last', 'separator' => '');
$options = array_merge($defaults, (array)$options);
$firstClass = $options['firstClass'];
$lastClass = $options['lastClass'];
$separator = $options['separator'];
unset($options['firstClass'], $options['lastClass'], $options['separator']);
$crumbs = $this->_prepareCrumbs($startText);
if (empty($crumbs)) {
return null;
}
$result = '';
$crumbCount = count($crumbs);
$ulOptions = $options;
foreach ($crumbs as $which => $crumb) {
$options = array();
if (empty($crumb[1])) {
$elementContent = $crumb[0];
} else {
$elementContent = $this->link($crumb[0], $crumb[1], $crumb[2]);
}
if (!$which && $firstClass !== false) {
$options['class'] = $firstClass;
} elseif ($which == $crumbCount - 1 && $lastClass !== false) {
$options['class'] = $lastClass;
}
if (!empty($separator) && ($crumbCount - $which >= 2)) {
$elementContent .= $separator;
}
$result .= $this->tag('li', $elementContent, $options);
}
return $this->tag('ul', $result, $ulOptions);
}
/**
* Prepends startText to crumbs array if set
*
* @param string $startText Text to prepend
* @return array Crumb list including startText (if provided)
*/
protected function _prepareCrumbs($startText) {
$crumbs = $this->_crumbs;
if ($startText) {
if (!is_array($startText)) {
$startText = array(
'url' => '/',
'text' => $startText
);
}
$startText += array('url' => '/', 'text' => __d('cake', 'Home'));
list($url, $text) = array($startText['url'], $startText['text']);
unset($startText['url'], $startText['text']);
array_unshift($crumbs, array($text, $url, $startText));
}
return $crumbs;
}
/**
* Creates a formatted IMG element.
*
* This method will set an empty alt attribute if one is not supplied.
*
* ### Usage:
*
* Create a regular image:
*
* `echo $this->Html->image('cake_icon.png', array('alt' => 'CakePHP'));`
*
* Create an image link:
*
* `echo $this->Html->image('cake_icon.png', array('alt' => 'CakePHP', 'url' => 'http://cakephp.org'));`
*
* ### Options:
*
* - `url` If provided an image link will be generated and the link will point at
* `$options['url']`.
* - `fullBase` If true the src attribute will get a full address for the image file.
* - `plugin` False value will prevent parsing path as a plugin
*
* @param string $path Path to the image file, relative to the app/webroot/img/ directory.
* @param array $options Array of HTML attributes. See above for special options.
* @return string completed img tag
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::image
*/
public function image($path, $options = array()) {
$path = $this->assetUrl($path, $options + array('pathPrefix' => Configure::read('App.imageBaseUrl')));
$options = array_diff_key($options, array('fullBase' => null, 'pathPrefix' => null));
if (!isset($options['alt'])) {
$options['alt'] = '';
}
$url = false;
if (!empty($options['url'])) {
$url = $options['url'];
unset($options['url']);
}
$image = sprintf($this->_tags['image'], $path, $this->_parseAttributes($options, null, '', ' '));
if ($url) {
return sprintf($this->_tags['link'], $this->url($url), null, $image);
}
return $image;
}
/**
* Returns a row of formatted and named TABLE headers.
*
* @param array $names Array of tablenames. Each tablename also can be a key that points to an array with a set
* of attributes to its specific tag
* @param array $trOptions HTML options for TR elements.
* @param array $thOptions HTML options for TH elements.
* @return string Completed table headers
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::tableHeaders
*/
public function tableHeaders($names, $trOptions = null, $thOptions = null) {
$out = array();
foreach ($names as $arg) {
if (!is_array($arg)) {
$out[] = sprintf($this->_tags['tableheader'], $this->_parseAttributes($thOptions), $arg);
} else {
$out[] = sprintf($this->_tags['tableheader'], $this->_parseAttributes(current($arg)), key($arg));
}
}
return sprintf($this->_tags['tablerow'], $this->_parseAttributes($trOptions), implode(' ', $out));
}
/**
* Returns a formatted string of table rows (TR's with TD's in them).
*
* @param array $data Array of table data
* @param array $oddTrOptions HTML options for odd TR elements if true useCount is used
* @param array $evenTrOptions HTML options for even TR elements
* @param boolean $useCount adds class "column-$i"
* @param boolean $continueOddEven If false, will use a non-static $count variable,
* so that the odd/even count is reset to zero just for that call.
* @return string Formatted HTML
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::tableCells
*/
public function tableCells($data, $oddTrOptions = null, $evenTrOptions = null, $useCount = false, $continueOddEven = true) {
if (empty($data[0]) || !is_array($data[0])) {
$data = array($data);
}
if ($oddTrOptions === true) {
$useCount = true;
$oddTrOptions = null;
}
if ($evenTrOptions === false) {
$continueOddEven = false;
$evenTrOptions = null;
}
if ($continueOddEven) {
static $count = 0;
} else {
$count = 0;
}
foreach ($data as $line) {
$count++;
$cellsOut = array();
$i = 0;
foreach ($line as $cell) {
$cellOptions = array();
if (is_array($cell)) {
$cellOptions = $cell[1];
$cell = $cell[0];
} elseif ($useCount) {
$cellOptions['class'] = 'column-' . ++$i;
}
$cellsOut[] = sprintf($this->_tags['tablecell'], $this->_parseAttributes($cellOptions), $cell);
}
$options = $this->_parseAttributes($count % 2 ? $oddTrOptions : $evenTrOptions);
$out[] = sprintf($this->_tags['tablerow'], $options, implode(' ', $cellsOut));
}
return implode("\n", $out);
}
/**
* Returns a formatted block tag, i.e DIV, SPAN, P.
*
* ### Options
*
* - `escape` Whether or not the contents should be html_entity escaped.
*
* @param string $name Tag name.
* @param string $text String content that will appear inside the div element.
* If null, only a start tag will be printed
* @param array $options Additional HTML attributes of the DIV tag, see above.
* @return string The formatted tag element
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::tag
*/
public function tag($name, $text = null, $options = array()) {
if (empty($name)) {
return $text;
}
if (isset($options['escape']) && $options['escape']) {
$text = h($text);
unset($options['escape']);
}
if ($text === null) {
$tag = 'tagstart';
} else {
$tag = 'tag';
}
return sprintf($this->_tags[$tag], $name, $this->_parseAttributes($options, null, ' ', ''), $text, $name);
}
/**
* Returns a formatted existent block of $tags
*
* @param string $tag Tag name
* @return string Formatted block
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::useTag
*/
public function useTag($tag) {
if (!isset($this->_tags[$tag])) {
return '';
}
$args = func_get_args();
array_shift($args);
foreach ($args as &$arg) {
if (is_array($arg)) {
$arg = $this->_parseAttributes($arg, null, ' ', '');
}
}
return vsprintf($this->_tags[$tag], $args);
}
/**
* Returns a formatted DIV tag for HTML FORMs.
*
* ### Options
*
* - `escape` Whether or not the contents should be html_entity escaped.
*
* @param string $class CSS class name of the div element.
* @param string $text String content that will appear inside the div element.
* If null, only a start tag will be printed
* @param array $options Additional HTML attributes of the DIV tag
* @return string The formatted DIV element
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::div
*/
public function div($class = null, $text = null, $options = array()) {
if (!empty($class)) {
$options['class'] = $class;
}
return $this->tag('div', $text, $options);
}
/**
* Returns a formatted P tag.
*
* ### Options
*
* - `escape` Whether or not the contents should be html_entity escaped.
*
* @param string $class CSS class name of the p element.
* @param string $text String content that will appear inside the p element.
* @param array $options Additional HTML attributes of the P tag
* @return string The formatted P element
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::para
*/
public function para($class, $text, $options = array()) {
if (isset($options['escape'])) {
$text = h($text);
}
if ($class && !empty($class)) {
$options['class'] = $class;
}
$tag = 'para';
if ($text === null) {
$tag = 'parastart';
}
return sprintf($this->_tags[$tag], $this->_parseAttributes($options, null, ' ', ''), $text);
}
/**
* Returns an audio/video element
*
* ### Usage
*
* Using an audio file:
*
* `echo $this->Html->media('audio.mp3', array('fullBase' => true));`
*
* Outputs:
*
* `<video src="http://www.somehost.com/files/audio.mp3">Fallback text</video>`
*
* Using a video file:
*
* `echo $this->Html->media('video.mp4', array('text' => 'Fallback text'));`
*
* Outputs:
*
* `<video src="/files/video.mp4">Fallback text</video>`
*
* Using multiple video files:
*
* {{{
* echo $this->Html->media(
* array('video.mp4', array('src' => 'video.ogv', 'type' => "video/ogg; codecs='theora, vorbis'")),
* array('tag' => 'video', 'autoplay')
* );
* }}}
*
* Outputs:
*
* {{{
* <video autoplay="autoplay">
* <source src="/files/video.mp4" type="video/mp4"/>
* <source src="/files/video.ogv" type="video/ogv; codecs='theora, vorbis'"/>
* </video>
* }}}
*
* ### Options
*
* - `tag` Type of media element to generate, either "audio" or "video".
* If tag is not provided it's guessed based on file's mime type.
* - `text` Text to include inside the audio/video tag
* - `pathPrefix` Path prefix to use for relative URLs, defaults to 'files/'
* - `fullBase` If provided the src attribute will get a full address including domain name
*
* @param string|array $path Path to the video file, relative to the webroot/{$options['pathPrefix']} directory.
* Or an array where each item itself can be a path string or an associate array containing keys `src` and `type`
* @param array $options Array of HTML attributes, and special options above.
* @return string Generated media element
*/
public function media($path, $options = array()) {
$options += array(
'tag' => null,
'pathPrefix' => 'files/',
'text' => ''
);
if (!empty($options['tag'])) {
$tag = $options['tag'];
} else {
$tag = null;
}
if (is_array($path)) {
$sourceTags = '';
foreach ($path as &$source) {
if (is_string($source)) {
$source = array(
'src' => $source,
);
}
if (!isset($source['type'])) {
$ext = pathinfo($source['src'], PATHINFO_EXTENSION);
$source['type'] = $this->response->getMimeType($ext);
}
$source['src'] = $this->assetUrl($source['src'], $options);
$sourceTags .= $this->useTag('tagselfclosing', 'source', $source);
}
unset($source);
$options['text'] = $sourceTags . $options['text'];
unset($options['fullBase']);
} else {
if (empty($path) && !empty($options['src'])) {
$path = $options['src'];
}
$options['src'] = $this->assetUrl($path, $options);
}
if ($tag === null) {
if (is_array($path)) {
$mimeType = $path[0]['type'];
} else {
$mimeType = $this->response->getMimeType(pathinfo($path, PATHINFO_EXTENSION));
}
if (preg_match('#^video/#', $mimeType)) {
$tag = 'video';
} else {
$tag = 'audio';
}
}
if (isset($options['poster'])) {
$options['poster'] = $this->assetUrl($options['poster'], array('pathPrefix' => Configure::read('App.imageBaseUrl')) + $options);
}
$text = $options['text'];
$options = array_diff_key($options, array(
'tag' => null,
'fullBase' => null,
'pathPrefix' => null,
'text' => null
));
return $this->tag($tag, $text, $options);
}
/**
* Build a nested list (UL/OL) out of an associative array.
*
* @param array $list Set of elements to list
* @param array $options Additional HTML attributes of the list (ol/ul) tag or if ul/ol use that as tag
* @param array $itemOptions Additional HTML attributes of the list item (LI) tag
* @param string $tag Type of list tag to use (ol/ul)
* @return string The nested list
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::nestedList
*/
public function nestedList($list, $options = array(), $itemOptions = array(), $tag = 'ul') {
if (is_string($options)) {
$tag = $options;
$options = array();
}
$items = $this->_nestedListItem($list, $options, $itemOptions, $tag);
return sprintf($this->_tags[$tag], $this->_parseAttributes($options, null, ' ', ''), $items);
}
/**
* Internal function to build a nested list (UL/OL) out of an associative array.
*
* @param array $items Set of elements to list
* @param array $options Additional HTML attributes of the list (ol/ul) tag
* @param array $itemOptions Additional HTML attributes of the list item (LI) tag
* @param string $tag Type of list tag to use (ol/ul)
* @return string The nested list element
* @see HtmlHelper::nestedList()
*/
protected function _nestedListItem($items, $options, $itemOptions, $tag) {
$out = '';
$index = 1;
foreach ($items as $key => $item) {
if (is_array($item)) {
$item = $key . $this->nestedList($item, $options, $itemOptions, $tag);
}
if (isset($itemOptions['even']) && $index % 2 === 0) {
$itemOptions['class'] = $itemOptions['even'];
} elseif (isset($itemOptions['odd']) && $index % 2 !== 0) {
$itemOptions['class'] = $itemOptions['odd'];
}
$out .= sprintf($this->_tags['li'], $this->_parseAttributes($itemOptions, array('even', 'odd'), ' ', ''), $item);
$index++;
}
return $out;
}
/**
* Load Html tag configuration.
*
* Loads a file from APP/Config that contains tag data. By default the file is expected
* to be compatible with PhpReader:
*
* `$this->Html->loadConfig('tags.php');`
*
* tags.php could look like:
*
* {{{
* $tags = array(
* 'meta' => '<meta %s>'
* );
* }}}
*
* If you wish to store tag definitions in another format you can give an array
* containing the file name, and reader class name:
*
* `$this->Html->loadConfig(array('tags.ini', 'ini'));`
*
* Its expected that the `tags` index will exist from any configuration file that is read.
* You can also specify the path to read the configuration file from, if APP/Config is not
* where the file is.
*
* `$this->Html->loadConfig('tags.php', APP . 'Lib' . DS);`
*
* Configuration files can define the following sections:
*
* - `tags` The tags to replace.
* - `minimizedAttributes` The attributes that are represented like `disabled="disabled"`
* - `docTypes` Additional doctypes to use.
* - `attributeFormat` Format for long attributes e.g. `'%s="%s"'`
* - `minimizedAttributeFormat` Format for minimized attributes e.g. `'%s="%s"'`
*
* @param string|array $configFile String with the config file (load using PhpReader) or an array with file and reader name
* @param string $path Path with config file
* @return mixed False to error or loaded configs
* @throws ConfigureException
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#changing-the-tags-output-by-htmlhelper
*/
public function loadConfig($configFile, $path = null) {
if (!$path) {
$path = APP . 'Config' . DS;
}
$file = null;
$reader = 'php';
if (!is_array($configFile)) {
$file = $configFile;
} elseif (isset($configFile[0])) {
$file = $configFile[0];
if (isset($configFile[1])) {
$reader = $configFile[1];
}
} else {
throw new ConfigureException(__d('cake_dev', 'Cannot load the configuration file. Wrong "configFile" configuration.'));
}
$readerClass = Inflector::camelize($reader) . 'Reader';
App::uses($readerClass, 'Configure');
if (!class_exists($readerClass)) {
throw new ConfigureException(__d('cake_dev', 'Cannot load the configuration file. Unknown reader.'));
}
$readerObj = new $readerClass($path);
$configs = $readerObj->read($file);
if (isset($configs['tags']) && is_array($configs['tags'])) {
$this->_tags = array_merge($this->_tags, $configs['tags']);
}
if (isset($configs['minimizedAttributes']) && is_array($configs['minimizedAttributes'])) {
$this->_minimizedAttributes = array_merge($this->_minimizedAttributes, $configs['minimizedAttributes']);
}
if (isset($configs['docTypes']) && is_array($configs['docTypes'])) {
$this->_docTypes = array_merge($this->_docTypes, $configs['docTypes']);
}
if (isset($configs['attributeFormat'])) {
$this->_attributeFormat = $configs['attributeFormat'];
}
if (isset($configs['minimizedAttributeFormat'])) {
$this->_minimizedAttributeFormat = $configs['minimizedAttributeFormat'];
}
return $configs;
}
}