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If true then multiple values are allowed for the * field. Most often used for list field types. * * @var boolean * @since 11.1 */ protected $multiple = false; /** * Allows extensions to create repeat elements * * @var mixed * @since 3.2 */ public $repeat = false; /** * The pattern (Reg Ex) of value of the form field. * * @var string * @since 11.1 */ protected $pattern; /** * The validation text of invalid value of the form field. * * @var string * @since 4.0 */ protected $validationtext; /** * The name of the form field. * * @var string * @since 11.1 */ protected $name; /** * The name of the field. * * @var string * @since 11.1 */ protected $fieldname; /** * The group of the field. * * @var string * @since 11.1 */ protected $group; /** * The required state for the form field. If true then there must be a value for the field to * be considered valid. * * @var boolean * @since 11.1 */ protected $required = false; /** * The disabled state for the form field. If true then the field will be disabled and user can't * interact with the field. * * @var boolean * @since 3.2 */ protected $disabled = false; /** * The readonly state for the form field. If true then the field will be readonly. * * @var boolean * @since 3.2 */ protected $readonly = false; /** * The form field type. * * @var string * @since 11.1 */ protected $type; /** * The validation method for the form field. This value will determine which method is used * to validate the value for a field. * * @var string * @since 11.1 */ protected $validate; /** * The value of the form field. * * @var mixed * @since 11.1 */ protected $value; /** * The default value of the form field. * * @var mixed * @since 11.1 */ protected $default; /** * The size of the form field. * * @var integer * @since 3.2 */ protected $size; /** * The class of the form field * * @var mixed * @since 3.2 */ protected $class; /** * The label's CSS class of the form field * * @var mixed * @since 11.1 */ protected $labelclass; /** * The javascript onchange of the form field. * * @var string * @since 3.2 */ protected $onchange; /** * The javascript onclick of the form field. * * @var string * @since 3.2 */ protected $onclick; /** * The conditions to show/hide the field. * * @var string * @since 3.7.0 */ protected $showon; /** * The count value for generated name field * * @var integer * @since 11.1 */ protected static $count = 0; /** * The string used for generated fields names * * @var string * @since 11.1 */ protected static $generated_fieldname = '__field'; /** * Name of the layout being used to render the field * * @var string * @since 3.5 */ protected $layout; /** * Layout to render the form field * * @var string */ protected $renderLayout = 'joomla.form.renderfield'; /** * Layout to render the label * * @var string */ protected $renderLabelLayout = 'joomla.form.renderlabel'; /** * Method to instantiate the form field object. * * @param Form $form The form to attach to the form field object. * * @since 11.1 */ public function __construct($form = null) { // If there is a form passed into the constructor set the form and form control properties. if ($form instanceof Form) { $this->form = $form; $this->formControl = $form->getFormControl(); } // Detect the field type if not set if (!isset($this->type)) { $parts = Normalise::fromCamelCase(get_called_class(), true); if ($parts[0] == 'J') { $this->type = StringHelper::ucfirst($parts[count($parts) - 1], '_'); } else { $this->type = StringHelper::ucfirst($parts[0], '_') . StringHelper::ucfirst($parts[count($parts) - 1], '_'); } } } /** * Method to get certain otherwise inaccessible properties from the form field object. * * @param string $name The property name for which to get the value. * * @return mixed The property value or null. * * @since 11.1 */ public function __get($name) { switch ($name) { case 'description': case 'hint': case 'formControl': case 'hidden': case 'id': case 'multiple': case 'name': case 'required': case 'type': case 'validate': case 'value': case 'class': case 'layout': case 'labelclass': case 'size': case 'onchange': case 'onclick': case 'fieldname': case 'group': case 'disabled': case 'readonly': case 'autofocus': case 'autocomplete': case 'spellcheck': case 'validationtext': case 'showon': return $this->$name; case 'input': // If the input hasn't yet been generated, generate it. if (empty($this->input)) { $this->input = $this->getInput(); } return $this->input; case 'label': // If the label hasn't yet been generated, generate it. if (empty($this->label)) { $this->label = $this->getLabel(); } return $this->label; case 'title': return $this->getTitle(); } return; } /** * Method to set certain otherwise inaccessible properties of the form field object. * * @param string $name The property name for which to set the value. * @param mixed $value The value of the property. * * @return void * * @since 3.2 */ public function __set($name, $value) { switch ($name) { case 'class': // Removes spaces from left & right and extra spaces from middle $value = preg_replace('/\s+/', ' ', trim((string) $value)); case 'description': case 'hint': case 'value': case 'labelclass': case 'layout': case 'onchange': case 'onclick': case 'validate': case 'pattern': case 'validationtext': case 'group': case 'showon': case 'default': $this->$name = (string) $value; break; case 'id': $this->id = $this->getId((string) $value, $this->fieldname); break; case 'fieldname': $this->fieldname = $this->getFieldName((string) $value); break; case 'name': $this->fieldname = $this->getFieldName((string) $value); $this->name = $this->getName($this->fieldname); break; case 'multiple': // Allow for field classes to force the multiple values option. $value = (string) $value; $value = $value === '' && isset($this->forceMultiple) ? (string) $this->forceMultiple : $value; case 'required': case 'disabled': case 'readonly': case 'autofocus': case 'hidden': $value = (string) $value; $this->$name = ($value === 'true' || $value === $name || $value === '1'); break; case 'autocomplete': $value = (string) $value; $value = ($value == 'on' || $value == '') ? 'on' : $value; $this->$name = ($value === 'false' || $value === 'off' || $value === '0') ? false : $value; break; case 'spellcheck': case 'translateLabel': case 'translateDescription': case 'translateHint': $value = (string) $value; $this->$name = !($value === 'false' || $value === 'off' || $value === '0'); break; case 'translate_label': $value = (string) $value; $this->translateLabel = $this->translateLabel && !($value === 'false' || $value === 'off' || $value === '0'); break; case 'translate_description': $value = (string) $value; $this->translateDescription = $this->translateDescription && !($value === 'false' || $value === 'off' || $value === '0'); break; case 'size': $this->$name = (int) $value; break; default: if (property_exists(__CLASS__, $name)) { \JLog::add("Cannot access protected / private property $name of " . __CLASS__); } else { $this->$name = $value; } } } /** * Method to attach a JForm object to the field. * * @param Form $form The JForm object to attach to the form field. * * @return FormField The form field object so that the method can be used in a chain. * * @since 11.1 */ public function setForm(Form $form) { $this->form = $form; $this->formControl = $form->getFormControl(); return $this; } /** * Method to attach a JForm object to the field. * * @param \SimpleXMLElement $element The SimpleXMLElement object representing the `` tag for the form field object. * @param mixed $value The form field value to validate. * @param string $group The field name group control value. This acts as as an array container for the field. * For example if the field has name="foo" and the group value is set to "bar" then the * full field name would end up being "bar[foo]". * * @return boolean True on success. * * @since 11.1 */ public function setup(\SimpleXMLElement $element, $value, $group = null) { // Make sure there is a valid JFormField XML element. if ((string) $element->getName() != 'field') { return false; } // Reset the input and label values. $this->input = null; $this->label = null; // Set the XML element object. $this->element = $element; // Set the group of the field. $this->group = $group; $attributes = array( 'multiple', 'name', 'id', 'hint', 'class', 'description', 'labelclass', 'onchange', 'onclick', 'validate', 'pattern', 'validationtext', 'default', 'required', 'disabled', 'readonly', 'autofocus', 'hidden', 'autocomplete', 'spellcheck', 'translateHint', 'translateLabel', 'translate_label', 'translateDescription', 'translate_description', 'size', 'showon'); $this->default = isset($element['value']) ? (string) $element['value'] : $this->default; // Set the field default value. if ($element['multiple'] && is_string($value) && is_array(json_decode($value, true))) { $this->value = (array) json_decode($value); } else { $this->value = $value; } foreach ($attributes as $attributeName) { $this->__set($attributeName, $element[$attributeName]); } // Allow for repeatable elements $repeat = (string) $element['repeat']; $this->repeat = ($repeat == 'true' || $repeat == 'multiple' || (!empty($this->form->repeat) && $this->form->repeat == 1)); // Set the visibility. $this->hidden = ($this->hidden || (string) $element['type'] == 'hidden'); $this->layout = !empty($this->element['layout']) ? (string) $this->element['layout'] : $this->layout; // Add required to class list if field is required. if ($this->required) { $this->class = trim($this->class . ' required'); } return true; } /** * Simple method to set the value * * @param mixed $value Value to set * * @return void * * @since 3.2 */ public function setValue($value) { $this->value = $value; } /** * Method to get the id used for the field input tag. * * @param string $fieldId The field element id. * @param string $fieldName The field element name. * * @return string The id to be used for the field input tag. * * @since 11.1 */ protected function getId($fieldId, $fieldName) { $id = ''; // If there is a form control set for the attached form add it first. if ($this->formControl) { $id .= $this->formControl; } // If the field is in a group add the group control to the field id. if ($this->group) { // If we already have an id segment add the group control as another level. if ($id) { $id .= '_' . str_replace('.', '_', $this->group); } else { $id .= str_replace('.', '_', $this->group); } } // If we already have an id segment add the field id/name as another level. if ($id) { $id .= '_' . ($fieldId ? $fieldId : $fieldName); } else { $id .= ($fieldId ? $fieldId : $fieldName); } // Clean up any invalid characters. $id = preg_replace('#\W#', '_', $id); // If this is a repeatable element, add the repeat count to the ID if ($this->repeat) { $repeatCounter = empty($this->form->repeatCounter) ? 0 : $this->form->repeatCounter; $id .= '-' . $repeatCounter; if (strtolower($this->type) == 'radio') { $id .= '-'; } } return $id; } /** * Method to get the field input markup. * * @return string The field input markup. * * @since 11.1 */ protected function getInput() { if (empty($this->layout)) { throw new \UnexpectedValueException(sprintf('%s has no layout assigned.', $this->name)); } return $this->getRenderer($this->layout)->render($this->getLayoutData()); } /** * Method to get the field title. * * @return string The field title. * * @since 11.1 */ protected function getTitle() { $title = ''; if ($this->hidden) { return $title; } // Get the label text from the XML element, defaulting to the element name. $title = $this->element['label'] ? (string) $this->element['label'] : (string) $this->element['name']; $title = $this->translateLabel ? \JText::_($title) : $title; return $title; } /** * Method to get the field label markup. * * @return string The field label markup. * * @since 11.1 */ protected function getLabel() { if ($this->hidden) { return ''; } $data = $this->getLayoutData(); // Forcing the Alias field to display the tip below $position = $this->element['name'] == 'alias' ? ' data-placement="bottom" ' : ''; // Here mainly for B/C with old layouts. This can be done in the layouts directly $extraData = array( 'text' => $data['label'], 'for' => $this->id, 'classes' => explode(' ', $data['labelclass']), 'position' => $position, ); return $this->getRenderer($this->renderLabelLayout)->render(array_merge($data, $extraData)); } /** * Method to get the name used for the field input tag. * * @param string $fieldName The field element name. * * @return string The name to be used for the field input tag. * * @since 11.1 */ protected function getName($fieldName) { // To support repeated element, extensions can set this in plugin->onRenderSettings $name = ''; // If there is a form control set for the attached form add it first. if ($this->formControl) { $name .= $this->formControl; } // If the field is in a group add the group control to the field name. if ($this->group) { // If we already have a name segment add the group control as another level. $groups = explode('.', $this->group); if ($name) { foreach ($groups as $group) { $name .= '[' . $group . ']'; } } else { $name .= array_shift($groups); foreach ($groups as $group) { $name .= '[' . $group . ']'; } } } // If we already have a name segment add the field name as another level. if ($name) { $name .= '[' . $fieldName . ']'; } else { $name .= $fieldName; } // If the field should support multiple values add the final array segment. if ($this->multiple) { switch (strtolower((string) $this->element['type'])) { case 'text': case 'textarea': case 'email': case 'password': case 'radio': case 'calendar': case 'editor': case 'hidden': break; default: $name .= '[]'; } } return $name; } /** * Method to get the field name used. * * @param string $fieldName The field element name. * * @return string The field name * * @since 11.1 */ protected function getFieldName($fieldName) { if ($fieldName) { return $fieldName; } else { self::$count = self::$count + 1; return self::$generated_fieldname . self::$count; } } /** * Method to get an attribute of the field * * @param string $name Name of the attribute to get * @param mixed $default Optional value to return if attribute not found * * @return mixed Value of the attribute / default * * @since 3.2 */ public function getAttribute($name, $default = null) { if ($this->element instanceof \SimpleXMLElement) { $attributes = $this->element->attributes(); // Ensure that the attribute exists if ($attributes->$name !== null) { return (string) $attributes->$name; } } return $default; } /** * Method to get a control group with label and input. * * @return string A string containing the html for the control group * * @since 3.2 * @deprecated 3.2.3 Use renderField() instead */ public function getControlGroup() { \JLog::add('FormField->getControlGroup() is deprecated use FormField->renderField().', \JLog::WARNING, 'deprecated'); return $this->renderField(); } /** * Render a layout of this field * * @param string $layoutId Layout identifier * @param array $data Optional data for the layout * * @return string * * @since 3.5 */ public function render($layoutId, $data = array()) { $data = array_merge($this->getLayoutData(), $data); return $this->getRenderer($layoutId)->render($data); } /** * Method to get a control group with label and input. * * @param array $options Options to be passed into the rendering of the field * * @return string A string containing the html for the control group * * @since 3.2 */ public function renderField($options = array()) { if ($this->hidden) { return $this->getInput(); } if (!isset($options['class'])) { $options['class'] = ''; } $options['rel'] = ''; if (empty($options['hiddenLabel']) && $this->getAttribute('hiddenLabel')) { $options['hiddenLabel'] = true; } if ($this->showon) { $options['rel'] = ' data-showon=\'' . json_encode(FormHelper::parseShowOnConditions($this->showon, $this->formControl, $this->group)) . '\''; $options['showonEnabled'] = true; } $data = array( 'input' => $this->getInput(), 'label' => $this->getLabel(), 'options' => $options, ); return $this->getRenderer($this->renderLayout)->render($data); } /** * Method to get the data to be passed to the layout for rendering. * * @return array * * @since 3.5 */ protected function getLayoutData() { // Label preprocess $label = $this->element['label'] ? (string) $this->element['label'] : (string) $this->element['name']; $label = $this->translateLabel ? \JText::_($label) : $label; // Description preprocess $description = !empty($this->description) ? $this->description : null; $description = !empty($description) && $this->translateDescription ? \JText::_($description) : $description; $alt = preg_replace('/[^a-zA-Z0-9_\-]/', '_', $this->fieldname); return array( 'autocomplete' => $this->autocomplete, 'autofocus' => $this->autofocus, 'class' => $this->class, 'description' => $description, 'disabled' => $this->disabled, 'field' => $this, 'group' => $this->group, 'hidden' => $this->hidden, 'hint' => $this->translateHint ? \JText::alt($this->hint, $alt) : $this->hint, 'id' => $this->id, 'label' => $label, 'labelclass' => $this->labelclass, 'multiple' => $this->multiple, 'name' => $this->name, 'onchange' => $this->onchange, 'onclick' => $this->onclick, 'pattern' => $this->pattern, 'validationtext' => $this->validationtext, 'readonly' => $this->readonly, 'repeat' => $this->repeat, 'required' => (bool) $this->required, 'size' => $this->size, 'spellcheck' => $this->spellcheck, 'validate' => $this->validate, 'value' => $this->value, ); } /** * Allow to override renderer include paths in child fields * * @return array * * @since 3.5 */ protected function getLayoutPaths() { return array(); } /** * Get the renderer * * @param string $layoutId Id to load * * @return FileLayout * * @since 3.5 */ protected function getRenderer($layoutId = 'default') { $renderer = new FileLayout($layoutId); $renderer->setDebug($this->isDebugEnabled()); $layoutPaths = $this->getLayoutPaths(); if ($layoutPaths) { $renderer->setIncludePaths($layoutPaths); } return $renderer; } /** * Is debug enabled for this field * * @return boolean * * @since 3.5 */ protected function isDebugEnabled() { return $this->getAttribute('debug', 'false') === 'true'; } }