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HtmlHelper.php
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HtmlHelper.php
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<?php
/**
* Html Helper class file.
*
* Simplifies the construction of HTML elements.
*
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright 2005-2012, 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 MIT License (http://www.opensource.org/licenses/mit-license.php)
*/
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> </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>',
'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 type="text/javascript"%s>%s</script>',
'javascriptstart' => '<script type="text/javascript">',
'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 {
$this->response = new CakeResponse(array('charset' => Configure::read('App.encoding')));
}
if (!empty($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 {
$type = array();
}
} elseif ($url !== null) {
$inline = $url;
}
$options = array_merge($type, $options);
$out = null;
if (isset($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';
} else {
$options['link'] = $this->url($options['link'], true);
}
$out .= sprintf($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;
} else {
$this->_View->append($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.
* - `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 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['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) {
$confirmMessage = str_replace("'", "\'", $confirmMessage);
$confirmMessage = str_replace('"', '\"', $confirmMessage);
$options['onclick'] = "return confirm('{$confirmMessage}');";
} elseif (isset($options['default']) && $options['default'] == false) {
if (isset($options['onclick'])) {
$options['onclick'] .= ' event.returnValue = false; return false;';
} else {
$options['onclick'] = 'event.returnValue = false; return false;';
}
unset($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:
*
* `$this->Html->css('styles.css', null, array('inline' => false));`
*
* Add the stylesheet to a custom block:
*
* `$this->Html->css('styles.css', null, 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
*
* @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 string $rel Rel attribute. Defaults to "stylesheet". If equal to 'import' the stylesheet will be imported.
* @param array $options Array of HTML attributes.
* @return string CSS <link /> or <style /> tag, depending on the type of link.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#HtmlHelper::css
*/
public function css($path, $rel = null, $options = array()) {
$options += array('block' => null, 'inline' => true);
if (!$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, $rel, $options);
}
if (empty($options['block'])) {
return $out . "\n";
}
return;
}
if (strpos($path, '//') !== false) {
$url = $path;
} else {
$url = $this->assetUrl($path, $options + array('pathPrefix' => CSS_URL, 'ext' => '.css'));
if (Configure::read('Asset.filter.css')) {
$pos = strpos($url, CSS_URL);
if ($pos !== false) {
$url = substr($url, 0, $pos) . 'ccss/' . substr($url, $pos + strlen(CSS_URL));
}
}
}
if ($rel == 'import') {
$out = sprintf($this->_tags['style'], $this->_parseAttributes($options, array('inline', 'block'), '', ' '), '@import url(' . $url . ');');
} else {
if ($rel == null) {
$rel = 'stylesheet';
}
$out = sprintf($this->_tags['css'], $rel, $url, $this->_parseAttributes($options, array('inline', 'block'), '', ' '));
}
if (empty($options['block'])) {
return $out;
} else {
$this->_View->append($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
*
* @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' => JS_URL, 'ext' => '.js'));
if (Configure::read('Asset.filter.js')) {
$url = str_replace(JS_URL, 'cjs/', $url);
}
}
$attributes = $this->_parseAttributes($options, array('block', 'once'), ' ');
$out = sprintf($this->_tags['javascriptlink'], $url, $attributes);
if (empty($options['block'])) {
return $out;
} else {
$this->_View->append($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()) {
$options += array('safe' => true, 'inline' => true);
if ($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;
} else {
$this->_View->append($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 join(' ', $out);
}
return implode("\n", $out);
}
/**
* Returns the breadcrumb trail as a sequence of »-separated links.
*
* If `$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 = '»', $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[] = $crumb[0];
}
}
return join($separator, $out);
} else {
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.
*
* @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) {
$crumbs = $this->_prepareCrumbs($startText);
if (!empty($crumbs)) {
$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 == 0) {
$options['class'] = 'first';
} elseif ($which == $crumbCount - 1) {
$options['class'] = 'last';
}
$result .= $this->tag('li', $elementContent, $options);
}
return $this->tag('ul', $result, $ulOptions);
} else {
return null;
}
}
/**
* Prepends startText to crumbs array if set
*
* @param $startText
* @return array Crumb list including startText (if provided)
*/
protected function _prepareCrumbs($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' => IMAGES_URL));
$options = array_diff_key($options, array('fullBase' => '', 'pathPrefix' => ''));
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), join(' ', $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, $options = array()) {
if (is_array($options) && isset($options['escape']) && $options['escape']) {
$text = h($text);
unset($options['escape']);
}
if (!is_array($options)) {
$options = array('class' => $options);
}
if ($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 ($class != null && !empty($class)) {
$options['class'] = $class;
}
if ($text === null) {
$tag = 'parastart';
} else {
$tag = 'para';
}
return sprintf($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>