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FormHelper.php
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FormHelper.php
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<?php
/**
* Automatic generation of HTML FORMs from given data.
*
* Used for scaffolding.
*
* PHP 5
*
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @package Cake.View.Helper
* @since CakePHP(tm) v 0.10.0.1076
* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
*/
App::uses('AppHelper', 'View/Helper');
/**
* Form helper library.
*
* Automatic generation of HTML FORMs from given data.
*
* @package Cake.View.Helper
* @property HtmlHelper $Html
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/form.html
*/
class FormHelper extends AppHelper {
/**
* Other helpers used by FormHelper
*
* @var array
*/
public $helpers = array('Html');
/**
* Options used by DateTime fields
*
* @var array
*/
protected $_options = array(
'day' => array(), 'minute' => array(), 'hour' => array(),
'month' => array(), 'year' => array(), 'meridian' => array()
);
/**
* List of fields created, used with secure forms.
*
* @var array
*/
public $fields = array();
/**
* Constant used internally to skip the securing process,
* and neither add the field to the hash or to the unlocked fields.
*
* @var string
*/
const SECURE_SKIP = 'skip';
/**
* Defines the type of form being created. Set by FormHelper::create().
*
* @var string
*/
public $requestType = null;
/**
* The default model being used for the current form.
*
* @var string
*/
public $defaultModel = null;
/**
* Persistent default options used by input(). Set by FormHelper::create().
*
* @var array
*/
protected $_inputDefaults = array();
/**
* An array of field names that have been excluded from
* the Token hash used by SecurityComponent's validatePost method
*
* @see FormHelper::_secure()
* @see SecurityComponent::validatePost()
* @var array
*/
protected $_unlockedFields = array();
/**
* Holds the model references already loaded by this helper
* product of trying to inspect them out of field names
*
* @var array
*/
protected $_models = array();
/**
* Holds all the validation errors for models loaded and inspected
* it can also be set manually to be able to display custom error messages
* in the any of the input fields generated by this helper
*
* @var array
*/
public $validationErrors = array();
/**
* Copies the validationErrors variable from the View object into this instance
*
* @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);
$this->validationErrors =& $View->validationErrors;
}
/**
* Guess the location for a model based on its name and tries to create a new instance
* or get an already created instance of the model
*
* @param string $model
* @return Model model instance
*/
protected function _getModel($model) {
$object = null;
if (!$model || $model === 'Model') {
return $object;
}
if (array_key_exists($model, $this->_models)) {
return $this->_models[$model];
}
if (ClassRegistry::isKeySet($model)) {
$object = ClassRegistry::getObject($model);
} elseif (isset($this->request->params['models'][$model])) {
$plugin = $this->request->params['models'][$model]['plugin'];
$plugin .= ($plugin) ? '.' : null;
$object = ClassRegistry::init(array(
'class' => $plugin . $this->request->params['models'][$model]['className'],
'alias' => $model
));
} else {
$object = ClassRegistry::init($model, true);
}
$this->_models[$model] = $object;
if (!$object) {;
return null;
}
$this->fieldset[$model] = array('fields' => null, 'key' => $object->primaryKey, 'validates' => null);
return $object;
}
/**
* Inspects the model properties to extract information from them.
* Currently it can extract information from the the fields, the primary key and required fields
*
* The $key parameter accepts the following list of values:
*
* - key: Returns the name of the primary key for the model
* - fields: Returns the model schema
* - validates: returns the list of fields that are required
* - errors: returns the list of validation errors
*
* If the $field parameter is passed if will return the information for that sole field.
*
* `$this->_introspectModel('Post', 'fields', 'title');` will return the schema information for title column
*
* @param string $model name of the model to extract information from
* @param string $key name of the special information key to obtain (key, fields, validates, errors)
* @param string $field name of the model field to get information from
* @return mixed information extracted for the special key and field in a model
*/
protected function _introspectModel($model, $key, $field = null) {
$object = $this->_getModel($model);
if (!$object) {
return;
}
if ($key === 'key') {
return $this->fieldset[$model]['key'] = $object->primaryKey;
}
if ($key === 'fields') {
if (!isset($this->fieldset[$model]['fields'])) {
$fields = $this->fieldset[$model]['fields'] = $object->schema();
foreach ($object->hasAndBelongsToMany as $alias => $assocData) {
$this->fieldset[$object->alias]['fields'][$alias] = array('type' => 'multiple');
}
}
if (empty($field)) {
return $this->fieldset[$model]['fields'];
} elseif (isset($this->fieldset[$model]['fields'][$field])) {
return $this->fieldset[$model]['fields'][$field];
} else {
return isset($object->hasAndBelongsToMany[$field]) ? array('type' => 'multiple') : null;
}
}
if ($key === 'errors' && !isset($this->validationErrors[$model])) {
$this->validationErrors[$model] =& $object->validationErrors;
return $this->validationErrors[$model];
} elseif ($key === 'errors' && isset($this->validationErrors[$model])) {
return $this->validationErrors[$model];
}
if ($key === 'validates' && !isset($this->fieldset[$model]['validates'])) {
$validates = array();
if (!empty($object->validate)) {
foreach ($object->validate as $validateField => $validateProperties) {
if ($this->_isRequiredField($validateProperties)) {
$validates[$validateField] = true;
}
}
}
$this->fieldset[$model]['validates'] = $validates;
}
if ($key === 'validates') {
if (empty($field)) {
return $this->fieldset[$model]['validates'];
} else {
return isset($this->fieldset[$model]['validates'][$field]) ?
$this->fieldset[$model]['validates'] : null;
}
}
}
/**
* Returns if a field is required to be filled based on validation properties from the validating object.
*
* @param array $validateProperties
* @return boolean true if field is required to be filled, false otherwise
*/
protected function _isRequiredField($validateProperties) {
$required = false;
if (is_string($validateProperties)) {
return true;
} elseif (is_array($validateProperties)) {
$dims = Set::countDim($validateProperties);
if ($dims == 1 || ($dims == 2 && isset($validateProperties['rule']))) {
$validateProperties = array($validateProperties);
}
foreach ($validateProperties as $rule => $validateProp) {
if (isset($validateProp['allowEmpty']) && $validateProp['allowEmpty'] === true) {
return false;
}
$rule = isset($validateProp['rule']) ? $validateProp['rule'] : false;
$required = $rule || empty($validateProp);
if ($required) {
break;
}
}
}
return $required;
}
/**
* Returns false if given form field described by the current entity has no errors.
* Otherwise it returns the validation message
*
* @return mixed Either false when there or no errors, or the error
* string. The error string could be ''.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/form.html#FormHelper::tagIsInvalid
*/
public function tagIsInvalid() {
$entity = $this->entity();
$model = array_shift($entity);
$errors = array();
if (!empty($entity) && isset($this->validationErrors[$model])) {
$errors = $this->validationErrors[$model];
}
if (!empty($entity) && empty($errors)) {
$errors = $this->_introspectModel($model, 'errors');
}
if (empty($errors)) {
return false;
}
$error = Set::classicExtract($errors, join('.', $entity));
return $error === null ? false : $error;
}
/**
* Returns an HTML FORM element.
*
* ### Options:
*
* - `type` Form method defaults to POST
* - `action` The controller action the form submits to, (optional).
* - `url` The url the form submits to. Can be a string or a url array. If you use 'url'
* you should leave 'action' undefined.
* - `default` Allows for the creation of Ajax forms. Set this to false to prevent the default event handler.
* Will create an onsubmit attribute if it doesn't not exist. If it does, default action suppression
* will be appended.
* - `onsubmit` Used in conjunction with 'default' to create ajax forms.
* - `inputDefaults` set the default $options for FormHelper::input(). Any options that would
* be set when using FormHelper::input() can be set here. Options set with `inputDefaults`
* can be overridden when calling input()
* - `encoding` Set the accept-charset encoding for the form. Defaults to `Configure::read('App.encoding')`
*
* @param string $model The model object which the form is being defined for. Should
* include the plugin name for plugin forms. e.g. `ContactManager.Contact`.
* @param array $options An array of html attributes and options.
* @return string An formatted opening FORM tag.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/form.html#options-for-create
*/
public function create($model = null, $options = array()) {
$created = $id = false;
$append = '';
if (is_array($model) && empty($options)) {
$options = $model;
$model = null;
}
if (empty($model) && $model !== false && !empty($this->request->params['models'])) {
$model = key($this->request->params['models']);
$this->defaultModel = $model;
} elseif (empty($model) && empty($this->request->params['models'])) {
$model = false;
}
$key = null;
if ($model !== false) {
$object = $this->_getModel($model);
$key = $this->_introspectModel($model, 'key');
$this->setEntity($model, true);
}
if ($model !== false && $key) {
$recordExists = (
isset($this->request->data[$model]) &&
!empty($this->request->data[$model][$key]) &&
!is_array($this->request->data[$model][$key])
);
if ($recordExists) {
$created = true;
$id = $this->request->data[$model][$key];
}
}
$options = array_merge(array(
'type' => ($created && empty($options['action'])) ? 'put' : 'post',
'action' => null,
'url' => null,
'default' => true,
'encoding' => strtolower(Configure::read('App.encoding')),
'inputDefaults' => array()),
$options);
$this->_inputDefaults = $options['inputDefaults'];
unset($options['inputDefaults']);
if (!isset($options['id'])) {
$domId = isset($options['action']) ? $options['action'] : $this->request['action'];
$options['id'] = $this->domId($domId . 'Form');
}
if ($options['action'] === null && $options['url'] === null) {
$options['action'] = $this->request->here(false);
} elseif (empty($options['url']) || is_array($options['url'])) {
if (empty($options['url']['controller'])) {
if (!empty($model) && $model != $this->defaultModel) {
$options['url']['controller'] = Inflector::underscore(Inflector::pluralize($model));
} elseif (!empty($this->request->params['controller'])) {
$options['url']['controller'] = Inflector::underscore($this->request->params['controller']);
}
}
if (empty($options['action'])) {
$options['action'] = $this->request->params['action'];
}
$plugin = null;
if ($this->plugin) {
$plugin = Inflector::underscore($this->plugin);
}
$actionDefaults = array(
'plugin' => $plugin,
'controller' => $this->_View->viewPath,
'action' => $options['action'],
);
$options['action'] = array_merge($actionDefaults, (array)$options['url']);
if (empty($options['action'][0]) && !empty($id)) {
$options['action'][0] = $id;
}
} elseif (is_string($options['url'])) {
$options['action'] = $options['url'];
}
unset($options['url']);
switch (strtolower($options['type'])) {
case 'get':
$htmlAttributes['method'] = 'get';
break;
case 'file':
$htmlAttributes['enctype'] = 'multipart/form-data';
$options['type'] = ($created) ? 'put' : 'post';
case 'post':
case 'put':
case 'delete':
$append .= $this->hidden('_method', array(
'name' => '_method', 'value' => strtoupper($options['type']), 'id' => null,
'secure' => self::SECURE_SKIP
));
default:
$htmlAttributes['method'] = 'post';
break;
}
$this->requestType = strtolower($options['type']);
$action = $this->url($options['action']);
unset($options['type'], $options['action']);
if ($options['default'] == false) {
if (!isset($options['onsubmit'])) {
$options['onsubmit'] = '';
}
$htmlAttributes['onsubmit'] = $options['onsubmit'] . 'event.returnValue = false; return false;';
}
unset($options['default']);
if (!empty($options['encoding'])) {
$htmlAttributes['accept-charset'] = $options['encoding'];
unset($options['encoding']);
}
$htmlAttributes = array_merge($options, $htmlAttributes);
$this->fields = array();
$append .= $this->_csrfField();
if (!empty($append)) {
$append = $this->Html->useTag('block', ' style="display:none;"', $append);
}
if ($model !== false) {
$this->setEntity($model, true);
$this->_introspectModel($model, 'fields');
}
return $this->Html->useTag('form', $action, $htmlAttributes) . $append;
}
/**
* Return a CSRF input if the _Token is present.
* Used to secure forms in conjunction with SecurityComponent
*
* @return string
*/
protected function _csrfField() {
if (empty($this->request->params['_Token'])) {
return '';
}
if (!empty($this->request['_Token']['unlockedFields'])) {
foreach ((array)$this->request['_Token']['unlockedFields'] as $unlocked) {
$this->_unlockedFields[] = $unlocked;
}
}
return $this->hidden('_Token.key', array(
'value' => $this->request->params['_Token']['key'], 'id' => 'Token' . mt_rand(),
'secure' => self::SECURE_SKIP
));
}
/**
* Closes an HTML form, cleans up values set by FormHelper::create(), and writes hidden
* input fields where appropriate.
*
* If $options is set a form submit button will be created. Options can be either a string or an array.
*
* {{{
* array usage:
*
* array('label' => 'save'); value="save"
* array('label' => 'save', 'name' => 'Whatever'); value="save" name="Whatever"
* array('name' => 'Whatever'); value="Submit" name="Whatever"
* array('label' => 'save', 'name' => 'Whatever', 'div' => 'good') <div class="good"> value="save" name="Whatever"
* array('label' => 'save', 'name' => 'Whatever', 'div' => array('class' => 'good')); <div class="good"> value="save" name="Whatever"
* }}}
*
* @param mixed $options as a string will use $options as the value of button,
* @return string a closing FORM tag optional submit button.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/form.html#closing-the-form
*/
public function end($options = null) {
$out = null;
$submit = null;
if ($options !== null) {
$submitOptions = array();
if (is_string($options)) {
$submit = $options;
} else {
if (isset($options['label'])) {
$submit = $options['label'];
unset($options['label']);
}
$submitOptions = $options;
}
$out .= $this->submit($submit, $submitOptions);
}
if (isset($this->request['_Token']) && !empty($this->request['_Token'])) {
$out .= $this->secure($this->fields);
$this->fields = array();
}
$this->setEntity(null);
$out .= $this->Html->useTag('formend');
$this->_View->modelScope = false;
return $out;
}
/**
* Generates a hidden field with a security hash based on the fields used in the form.
*
* @param array $fields The list of fields to use when generating the hash
* @return string A hidden input field with a security hash
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/form.html#FormHelper::secure
*/
public function secure($fields = array()) {
if (!isset($this->request['_Token']) || empty($this->request['_Token'])) {
return;
}
$locked = array();
$unlockedFields = $this->_unlockedFields;
foreach ($fields as $key => $value) {
if (!is_int($key)) {
$locked[$key] = $value;
unset($fields[$key]);
}
}
sort($unlockedFields, SORT_STRING);
sort($fields, SORT_STRING);
ksort($locked, SORT_STRING);
$fields += $locked;
$locked = implode(array_keys($locked), '|');
$unlocked = implode($unlockedFields, '|');
$fields = Security::hash(serialize($fields) . $unlocked . Configure::read('Security.salt'));
$out = $this->hidden('_Token.fields', array(
'value' => urlencode($fields . ':' . $locked),
'id' => 'TokenFields' . mt_rand()
));
$out .= $this->hidden('_Token.unlocked', array(
'value' => urlencode($unlocked),
'id' => 'TokenUnlocked' . mt_rand()
));
return $this->Html->useTag('block', ' style="display:none;"', $out);
}
/**
* Add to or get the list of fields that are currently unlocked.
* Unlocked fields are not included in the field hash used by SecurityComponent
* unlocking a field once its been added to the list of secured fields will remove
* it from the list of fields.
*
* @param string $name The dot separated name for the field.
* @return mixed Either null, or the list of fields.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/form.html#FormHelper::unlockField
*/
public function unlockField($name = null) {
if ($name === null) {
return $this->_unlockedFields;
}
if (!in_array($name, $this->_unlockedFields)) {
$this->_unlockedFields[] = $name;
}
$index = array_search($name, $this->fields);
if ($index !== false) {
unset($this->fields[$index]);
}
unset($this->fields[$name]);
}
/**
* Determine which fields of a form should be used for hash.
* Populates $this->fields
*
* @param boolean $lock Whether this field should be part of the validation
* or excluded as part of the unlockedFields.
* @param mixed $field Reference to field to be secured. Should be dot separated to indicate nesting.
* @param mixed $value Field value, if value should not be tampered with.
* @return void
*/
protected function _secure($lock, $field = null, $value = null) {
if (!$field) {
$field = $this->entity();
} elseif (is_string($field)) {
$field = Set::filter(explode('.', $field), true);
}
foreach ($this->_unlockedFields as $unlockField) {
$unlockParts = explode('.', $unlockField);
if (array_values(array_intersect($field, $unlockParts)) === $unlockParts) {
return;
}
}
$last = end($field);
if (is_numeric($last) || empty($last)) {
array_pop($field);
}
$field = implode('.', $field);
if ($lock) {
if (!in_array($field, $this->fields)) {
if ($value !== null) {
return $this->fields[$field] = $value;
}
$this->fields[] = $field;
}
} else {
$this->unlockField($field);
}
}
/**
* Returns true if there is an error for the given field, otherwise false
*
* @param string $field This should be "Modelname.fieldname"
* @return boolean If there are errors this method returns true, else false.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/form.html#FormHelper::isFieldError
*/
public function isFieldError($field) {
$this->setEntity($field);
return (bool)$this->tagIsInvalid();
}
/**
* Returns a formatted error message for given FORM field, NULL if no errors.
*
* ### Options:
*
* - `escape` bool Whether or not to html escape the contents of the error.
* - `wrap` mixed Whether or not the error message should be wrapped in a div. If a
* string, will be used as the HTML tag to use.
* - `class` string The classname for the error message
*
* @param string $field A field name, like "Modelname.fieldname"
* @param mixed $text Error message as string or array of messages.
* If array contains `attributes` key it will be used as options for error container
* @param array $options Rendering options for <div /> wrapper tag
* @return string If there are errors this method returns an error message, otherwise null.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/form.html#FormHelper::error
*/
public function error($field, $text = null, $options = array()) {
$defaults = array('wrap' => true, 'class' => 'error-message', 'escape' => true);
$options = array_merge($defaults, $options);
$this->setEntity($field);
$error = $this->tagIsInvalid();
if ($error === false) {
return null;
}
if (is_array($text)) {
if (isset($text['attributes']) && is_array($text['attributes'])) {
$options = array_merge($options, $text['attributes']);
unset($text['attributes']);
}
$tmp = array();
foreach ($error as &$e) {
if (isset($text[$e])) {
$tmp []= $text[$e];
} else {
$tmp []= $e;
}
}
$text = $tmp;
}
if ($text !== null) {
$error = $text;
}
if (is_array($error)) {
foreach ($error as &$e) {
if (is_numeric($e)) {
$e = __d('cake', 'Error in field %s', Inflector::humanize($this->field()));
}
}
}
if ($options['escape']) {
$error = h($error);
unset($options['escape']);
}
if (is_array($error)) {
if (count($error) > 1) {
$listParams = array();
if (isset($options['listOptions'])) {
if (is_string($options['listOptions'])) {
$listParams []= $options['listOptions'];
} else {
if (isset($options['listOptions']['itemOptions'])) {
$listParams []= $options['listOptions']['itemOptions'];
unset($options['listOptions']['itemOptions']);
} else {
$listParams []= array();
}
if (isset($options['listOptions']['tag'])) {
$listParams []= $options['listOptions']['tag'];
unset($options['listOptions']['tag']);
}
array_unshift($listParams, $options['listOptions']);
}
unset($options['listOptions']);
}
array_unshift($listParams, $error);
$error = call_user_func_array(array($this->Html, 'nestedList'), $listParams);
} else {
$error = array_pop($error);
}
}
if ($options['wrap']) {
$tag = is_string($options['wrap']) ? $options['wrap'] : 'div';
unset($options['wrap']);
return $this->Html->tag($tag, $error, $options);
} else {
return $error;
}
}
/**
* Returns a formatted LABEL element for HTML FORMs. Will automatically generate
* a for attribute if one is not provided.
*
* @param string $fieldName This should be "Modelname.fieldname"
* @param string $text Text that will appear in the label field.
* @param mixed $options An array of HTML attributes, or a string, to be used as a class name.
* @return string The formatted LABEL element
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/form.html#FormHelper::label
*/
public function label($fieldName = null, $text = null, $options = array()) {
if (empty($fieldName)) {
$fieldName = implode('.', $this->entity());
}
if ($text === null) {
if (strpos($fieldName, '.') !== false) {
$fieldElements = explode('.', $fieldName);
$text = array_pop($fieldElements);
} else {
$text = $fieldName;
}
if (substr($text, -3) == '_id') {
$text = substr($text, 0, strlen($text) - 3);
}
$text = __(Inflector::humanize(Inflector::underscore($text)));
}
if (is_string($options)) {
$options = array('class' => $options);
}
if (isset($options['for'])) {
$labelFor = $options['for'];
unset($options['for']);
} else {
$labelFor = $this->domId($fieldName);
}
return $this->Html->useTag('label', $labelFor, $options, $text);
}
/**
* Generate a set of inputs for `$fields`. If $fields is null the current model
* will be used.
*
* In addition to controller fields output, `$fields` can be used to control legend
* and fieldset rendering with the `fieldset` and `legend` keys.
* `$form->inputs(array('legend' => 'My legend'));` Would generate an input set with
* a custom legend. You can customize individual inputs through `$fields` as well.
*
* {{{
* $form->inputs(array(
* 'name' => array('label' => 'custom label')
* ));
* }}}
*
* In addition to fields control, inputs() allows you to use a few additional options.
*
* - `fieldset` Set to false to disable the fieldset. If a string is supplied it will be used as
* the classname for the fieldset element.
* - `legend` Set to false to disable the legend for the generated input set. Or supply a string
* to customize the legend text.
*
* @param mixed $fields An array of fields to generate inputs for, or null.
* @param array $blacklist a simple array of fields to not create inputs for.
* @return string Completed form inputs.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/form.html#FormHelper::inputs
*/
public function inputs($fields = null, $blacklist = null) {
$fieldset = $legend = true;
$model = $this->model();
if (is_array($fields)) {
if (array_key_exists('legend', $fields)) {
$legend = $fields['legend'];
unset($fields['legend']);
}
if (isset($fields['fieldset'])) {
$fieldset = $fields['fieldset'];
unset($fields['fieldset']);
}
} elseif ($fields !== null) {
$fieldset = $legend = $fields;
if (!is_bool($fieldset)) {
$fieldset = true;
}
$fields = array();
}
if (empty($fields)) {
$fields = array_keys($this->_introspectModel($model, 'fields'));
}
if ($legend === true) {
$actionName = __d('cake', 'New %s');
$isEdit = (
strpos($this->request->params['action'], 'update') !== false ||
strpos($this->request->params['action'], 'edit') !== false
);
if ($isEdit) {
$actionName = __d('cake', 'Edit %s');
}
$modelName = Inflector::humanize(Inflector::underscore($model));
$legend = sprintf($actionName, __($modelName));
}
$out = null;
foreach ($fields as $name => $options) {
if (is_numeric($name) && !is_array($options)) {
$name = $options;
$options = array();
}
$entity = explode('.', $name);
$blacklisted = (
is_array($blacklist) &&
(in_array($name, $blacklist) || in_array(end($entity), $blacklist))
);
if ($blacklisted) {
continue;
}
$out .= $this->input($name, $options);
}
if (is_string($fieldset)) {
$fieldsetClass = sprintf(' class="%s"', $fieldset);
} else {
$fieldsetClass = '';
}
if ($fieldset && $legend) {
return $this->Html->useTag('fieldset', $fieldsetClass, $this->Html->useTag('legend', $legend) . $out);
} elseif ($fieldset) {
return $this->Html->useTag('fieldset', $fieldsetClass, $out);
} else {
return $out;
}
}
/**
* Generates a form input element complete with label and wrapper div
*
* ### Options
*
* See each field type method for more information. Any options that are part of
* $attributes or $options for the different **type** methods can be included in `$options` for input().i
* Additionally, any unknown keys that are not in the list below, or part of the selected type's options
* will be treated as a regular html attribute for the generated input.
*
* - `type` - Force the type of widget you want. e.g. `type => 'select'`
* - `label` - Either a string label, or an array of options for the label. See FormHelper::label()
* - `div` - Either `false` to disable the div, or an array of options for the div.
* See HtmlHelper::div() for more options.
* - `options` - for widgets that take options e.g. radio, select
* - `error` - control the error message that is produced
* - `empty` - String or boolean to enable empty select box options.
* - `before` - Content to place before the label + input.
* - `after` - Content to place after the label + input.
* - `between` - Content to place between the label + input.
* - `format` - format template for element order. Any element that is not in the array, will not be in the output.
* - Default input format order: array('before', 'label', 'between', 'input', 'after', 'error')
* - Default checkbox format order: array('before', 'input', 'between', 'label', 'after', 'error')
* - Hidden input will not be formatted
* - Radio buttons cannot have the order of input and label elements controlled with these settings.
*
* @param string $fieldName This should be "Modelname.fieldname"
* @param array $options Each type of input takes different options.
* @return string Completed form widget.
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/form.html#creating-form-elements
*/
public function input($fieldName, $options = array()) {
$this->setEntity($fieldName);
$options = array_merge(
array('before' => null, 'between' => null, 'after' => null, 'format' => null),
$this->_inputDefaults,
$options
);
$modelKey = $this->model();
$fieldKey = $this->field();
if (!isset($options['type'])) {
$magicType = true;
$options['type'] = 'text';
if (isset($options['options'])) {
$options['type'] = 'select';
} elseif (in_array($fieldKey, array('psword', 'passwd', 'password'))) {
$options['type'] = 'password';
} elseif (isset($options['checked'])) {
$options['type'] = 'checkbox';
} elseif ($fieldDef = $this->_introspectModel($modelKey, 'fields', $fieldKey)) {
$type = $fieldDef['type'];
$primaryKey = $this->fieldset[$modelKey]['key'];
}
if (isset($type)) {
$map = array(
'string' => 'text', 'datetime' => 'datetime',
'boolean' => 'checkbox', 'timestamp' => 'datetime',
'text' => 'textarea', 'time' => 'time',
'date' => 'date', 'float' => 'number',
'integer' => 'number'
);
if (isset($this->map[$type])) {
$options['type'] = $this->map[$type];
} elseif (isset($map[$type])) {
$options['type'] = $map[$type];
}
if ($fieldKey == $primaryKey) {
$options['type'] = 'hidden';
}
if (
$options['type'] === 'number' &&
$type === 'float' &&
!isset($options['step'])
) {
$options['step'] = 'any';
}
}
if (preg_match('/_id$/', $fieldKey) && $options['type'] !== 'hidden') {
$options['type'] = 'select';
}
if ($modelKey === $fieldKey) {
$options['type'] = 'select';
if (!isset($options['multiple'])) {
$options['multiple'] = 'multiple';
}
}
}
$types = array('checkbox', 'radio', 'select');
if (
(!isset($options['options']) && in_array($options['type'], $types)) ||
(isset($magicType) && $options['type'] == 'text')
) {
$varName = Inflector::variable(
Inflector::pluralize(preg_replace('/_id$/', '', $fieldKey))
);
$varOptions = $this->_View->getVar($varName);
if (is_array($varOptions)) {
if ($options['type'] !== 'radio') {
$options['type'] = 'select';
}
$options['options'] = $varOptions;
}
}
$autoLength = (!array_key_exists('maxlength', $options) && isset($fieldDef['length']));
if ($autoLength && $options['type'] == 'text') {
$options['maxlength'] = $fieldDef['length'];
}
if ($autoLength && $fieldDef['type'] == 'float') {
$options['maxlength'] = array_sum(explode(',', $fieldDef['length']))+1;
}
$divOptions = array();
$div = $this->_extractOption('div', $options, true);
unset($options['div']);
if (!empty($div)) {
$divOptions['class'] = 'input';
$divOptions = $this->addClass($divOptions, $options['type']);