arse/includes/form/view.inc.php

136 lines
3.6 KiB
PHP
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<?php
class View_Form
extends BaseURLAwareView
{
protected $form;
protected $fieldTypes;
public function __construct( Form $form )
{
$this->form = $form;
}
protected function renderHiddenFields( $prefix )
{
$result = array( );
foreach ( $this->form->fields( ) as $field ) {
if ( $field === null || $field->type( ) !== 'hidden' ) {
continue;
}
array_push( $result , HTML::make( 'input' )
->setAttribute( 'type' , 'hidden' )
->setAttribute( 'name' , $field->name( ) )
->setAttribute( 'value' , HTML::from( $field->value( ) ) )
->setAttribute( 'id' , $prefix . $field->name( ) ) );
}
return $result;
}
protected function renderField( $field , $prefix )
{
$type = $field->type( );
if ( array_key_exists( $type , $this->fieldTypes ) ) {
return $this->fieldTypes[ $type ]->render( $field , $prefix );
}
throw new Exception( "field " . $field->name() . " has unknown type " . $field->type() );
}
private function loadFieldTypes( )
{
$types = Loader::Find( 'FieldView' );
$loaded = array( );
foreach ( $types as $type ) {
$instance = Loader::Create( $type );
$loaded[ $instance->getFieldType( ) ] = $instance;
}
$this->fieldTypes = $loaded;
}
protected function renderVisibleFields( $target , $prefix )
{
$this->loadFieldTypes( );
foreach ( $this->form->fields( ) as $field ) {
if ( $field === null ) {
$target->appendElement( HTML::make( 'hr' ) );
continue;
}
if ( $field->type( ) === 'hidden' ) {
continue;
}
$fPrefix = $prefix . $field->name( ) . '-';
if ( $field->type( ) === 'html' ) {
$target->appendElement( HTML::make( 'dd' )
->setAttribute( 'id' , $fPrefix )
->setAttribute( 'class' , 'html-section' )
->append( $field->value( ) ) );
continue;
}
$fClass = 'field' . ( $field->mandatory( ) ? ' mandatory' : '' );
$target->appendElement( HTML::make( 'dt' )
->setAttribute( 'class' , $fClass )
->setAttribute( 'id' , $fPrefix . 'label' )
->appendElement( HTML::make( 'label' )
->setAttribute( 'for' , $fPrefix . 'field' )
->appendText( $field->description( ) ) ) );
$errors = $field->errors( );
if ( !empty( $errors ) ) {
foreach ( $errors as $error ) {
$target->appendElement( HTML::make( 'dd' )
->setAttribute( 'class' , 'form-error' )
->appendText( $error ) );
}
$fClass .= ' erroneous';
}
$target->appendElement( HTML::make( 'dd' )
->setAttribute( 'id' , $fPrefix . 'container' )
->setAttribute( 'class' , $fClass )
->append( $this->renderField( $field , $fPrefix ) ) );
}
}
public function render( )
{
$name = $this->form->name();
$prefix = $name . '-';
$action = $this->form->action( );
if ( $action{0} != '?' ) {
if ( $action{0} != '/' ) {
$action = "/$action";
}
$action = $this->base . $action;
}
$form = HTML::make( 'form' )
->setAttribute( 'name' , $name )
->setAttribute( 'id' , $prefix . 'form' )
->setAttribute( 'action' , $action )
->setAttribute( 'method' , $this->form->method( ) )
->append( $this->renderHiddenFields( $prefix ) )
->append( $visibleArea = HTML::make( 'dl' ) );
$this->renderVisibleFields( $visibleArea , $prefix );
$visibleArea->appendElement( HTML::make( 'dt' )
->setAttribute( 'class' , 'submit-button' )
->setAttribute( 'id' , $prefix . 'submit-container' )
->appendElement( HTML::make( 'input' )
->setAttribute( 'type' , 'submit' )
->setAttribute( 'name' , $prefix . 'submit' )
->setAttribute( 'id' , $prefix . 'submit' )
->setAttribute( 'value' , $this->form->buttonTitle( ) ) ) );
return $form;
}
}