` rather than ``. * * @var boolean */ protected $useInputTag; /** * @param array $config Configuration options * - string $config['type'] HTML tag `type` attribute, may be 'button', 'submit' or 'reset' * (default: 'button') * - bool $config['useInputTag'] Whether to use `` rather than ``. Only * useful if you need IE 6 support in a form with multiple buttons. If you use this * option, icons and indicators will not be displayed, it won't be possible to have a * non-plaintext label, and it won't be possible to set a value (which will internally * become identical to the label). (default: false) */ public function __construct( array $config = [] ) { // Configuration initialization $config = array_merge( [ 'type' => 'button', 'useInputTag' => false ], $config ); // Properties (must be set before parent constructor, which calls setValue()) $this->useInputTag = $config['useInputTag']; // Parent constructor parent::__construct( $config ); // Traits $this->initializeButtonElement( array_merge( [ 'button' => $this->input ], $config ) ); $this->initializeIconElement( $config ); $this->initializeIndicatorElement( $config ); $this->initializeLabelElement( $config ); $this->initializeFlaggedElement( array_merge( [ 'flagged' => $this ], $config ) ); // Initialization if ( !$config['useInputTag'] ) { $this->input->appendContent( $this->icon, $this->label, $this->indicator ); } $this->addClasses( [ 'oo-ui-buttonInputWidget' ] ); } protected function getInputElement( $config ) { $type = in_array( $config['type'], [ 'button', 'submit', 'reset' ] ) ? $config['type'] : 'button'; $tag = $config['useInputTag'] ? 'input' : 'button'; return ( new Tag( $tag ) )->setAttributes( [ 'type' => $type ] ); } /** * Set label value. * * Overridden to support setting the 'value' of `` elements. * * @param string|null $label Label text * @return $this */ public function setLabel( $label ) { if ( $this->useInputTag ) { // Discard non-plaintext labels if ( !is_string( $label ) ) { $label = ''; } $this->input->setValue( $label ); } return $this->setLabelElementLabel( $label ); } /** * Set the value of the input. * * Overridden to disable for `` elements, which have value identical to the label. * * @param string $value New value * @return $this */ public function setValue( $value ) { if ( !$this->useInputTag ) { parent::setValue( $value ); } return $this; } public function getInputId() { // Disable generating `` elements for buttons. One would very rarely need additional label // for a button, and it's already a big clickable target, and it causes unexpected rendering. return null; } public function getConfig( &$config ) { if ( $this->useInputTag ) { $config['useInputTag'] = true; } $config['type'] = $this->input->getAttribute( 'type' ); return parent::getConfig( $config ); } }