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* * @var bool * @since 2.0 */ protected $sortable = false; /** * Method to instantiate the form field object. * * @param FOFForm $form The form to attach to the form field object. * * @since 2.0 */ public function __construct(FOFForm $form = null) { // If there is a form passed into the constructor set the form and form control properties. if ($form instanceof FOFForm) { $this->form = $form; } } /** * Method to get certain otherwise inaccessible properties from the form field object. * * @param string $name The property name for which to the the value. * * @return mixed The property value or null. * * @since 2.0 */ public function __get($name) { switch ($name) { case 'description': case 'name': case 'type': case 'fieldname': case 'group': case 'tdwidth': return $this->$name; break; case 'label': if (empty($this->label)) { $this->label = $this->getLabel(); } return $this->label; case 'value': if (empty($this->value)) { $this->value = $this->getValue(); } return $this->value; break; case 'header': if (empty($this->header)) { $this->header = $this->getHeader(); } return $this->header; break; case 'filter': if (empty($this->filter)) { $this->filter = $this->getFilter(); } return $this->filter; break; case 'buttons': if (empty($this->buttons)) { $this->buttons = $this->getButtons(); } return $this->buttons; break; case 'options': if (empty($this->options)) { $this->options = $this->getOptions(); } return $this->options; break; case 'sortable': if (empty($this->sortable)) { $this->sortable = $this->getSortable(); } return $this->sortable; break; } return null; } /** * Method to attach a JForm object to the field. * * @param FOFForm $form The JForm object to attach to the form field. * * @return FOFFormHeader The form field object so that the method can be used in a chain. * * @since 2.0 */ public function setForm(FOFForm $form) { $this->form = $form; return $this; } /** * Method to attach a FOFForm 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 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 2.0 */ public function setup(SimpleXMLElement $element, $value, $group = null) { // Make sure there is a valid JFormField XML element. if ((string) $element->getName() != 'header') { return false; } // Reset the internal fields $this->label = null; $this->header = null; $this->filter = null; $this->buttons = null; $this->options = null; $this->value = null; $this->filterSource = null; // Set the XML element object. $this->element = $element; // Get some important attributes from the form field element. $class = (string) $element['class']; $id = (string) $element['id']; $name = (string) $element['name']; $filterSource = (string) $element['filter_source']; $tdwidth = (string) $element['tdwidth']; // Set the field description text. $this->description = (string) $element['description']; // Set the group of the field. $this->group = $group; // Set the td width of the field. $this->tdwidth = $tdwidth; // Set the field name and id. $this->fieldname = $this->getFieldName($name); $this->name = $this->getName($this->fieldname); $this->id = $this->getId($id, $this->fieldname); $this->filterSource = $this->getFilterSource($filterSource); // Set the field default value. $this->value = $this->getValue(); return true; } /** * Method to get the id used for the field input tag. * * @param string $fieldId The field element id. * @param string $fieldName The field element name. * * @return string The id to be used for the field input tag. * * @since 2.0 */ protected function getId($fieldId, $fieldName) { $id = ''; // If the field is in a group add the group control to the field id. if ($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); return $id; } /** * Method to get the name used for the field input tag. * * @param string $fieldName The field element name. * * @return string The name to be used for the field input tag. * * @since 2.0 */ protected function getName($fieldName) { $name = ''; // If the field is in a group add the group control to the field name. if ($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; } return $name; } /** * Method to get the field name used. * * @param string $fieldName The field element name. * * @return string The field name * * @since 2.0 */ protected function getFieldName($fieldName) { return $fieldName; } /** * Method to get the field label. * * @return string The field label. * * @since 2.0 */ protected function getLabel() { // Get the label text from the XML element, defaulting to the element name. $title = $this->element['label'] ? (string) $this->element['label'] : ''; if (empty($title)) { $view = $this->form->getView(); $params = $view->getViewOptionAndName(); $title = $params['option'] . '_' . FOFInflector::pluralize($params['view']) . '_FIELD_' . (string) $this->element['name']; $title = strtoupper($title); $result = JText::_($title); if ($result === $title) { $title = ucfirst((string) $this->element['name']); } } return $title; } /** * Get the filter value for this header field * * @return mixed The filter value */ protected function getValue() { $model = $this->form->getModel(); return $model->getState($this->filterSource); } /** * Return the key of the filter value in the model state or, if it's not set, * the name of the field. * * @param string $filterSource The filter source value to return * * @return string */ protected function getFilterSource($filterSource) { if ($filterSource) { return $filterSource; } else { return $this->name; } } /** * Is this a sortable field? * * @return boolean True if it's sortable */ protected function getSortable() { $sortable = ($this->element['sortable'] != 'false'); if ($sortable) { if (empty($this->header)) { $this->header = $this->getHeader(); } $sortable = !empty($this->header); } return $sortable; } /** * Returns the HTML for the header row, or null if this element should * render no header element * * @return string|null HTML code or null if nothing is to be rendered * * @since 2.0 */ protected function getHeader() { return null; } /** * Returns the HTML for a text filter to be rendered in the filter row, * or null if this element should render no text input filter. * * @return string|null HTML code or null if nothing is to be rendered * * @since 2.0 */ protected function getFilter() { return null; } /** * Returns the HTML for the buttons to be rendered in the filter row, * next to the text input filter, or null if this element should render no * text input filter buttons. * * @return string|null HTML code or null if nothing is to be rendered * * @since 2.0 */ protected function getButtons() { return null; } /** * Returns the JHtml options for a drop-down filter. Do not include an * empty option, it is added automatically. * * @return array The JHtml options for a drop-down filter * * @since 2.0 */ protected function getOptions() { return array(); } }