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[autoinstallsdev/mediawiki.git] / vendor / oojs / oojs-ui / php / widgets / DropdownInputWidget.php

diff --git a/vendor/oojs/oojs-ui/php/widgets/DropdownInputWidget.php b/vendor/oojs/oojs-ui/php/widgets/DropdownInputWidget.php
new file mode 100644 (file)
index 0000000..83430f5
--- /dev/null
+++ b/vendor/oojs/oojs-ui/php/widgets/DropdownInputWidget.php
@@ -0,0 +1,112 @@
+<?php
+
+namespace OOUI;
+
+/**
+ * Dropdown input widget, wrapping a `<select>` element. Intended to be used within a
+ * OO.ui.FormLayout.
+ */
+class DropdownInputWidget extends InputWidget {
+       /**
+        * HTML `<option>` tags for this widget, as Tags.
+        * @var array
+        */
+       protected $options = [];
+
+       /**
+        * @param array $config Configuration options
+        * @param array[] $config['options'] Array of menu options in the format
+        *   `[ 'data' => …, 'label' => … ]`
+        */
+       public function __construct( array $config = [] ) {
+               // Parent constructor
+               parent::__construct( $config );
+
+               // Initialization
+               $this->setOptions( isset( $config['options'] ) ? $config['options'] : [] );
+               $this->addClasses( [ 'oo-ui-dropdownInputWidget', 'oo-ui-dropdownInputWidget-php' ] );
+               $this->input->addClasses( [ 'oo-ui-indicator-down' ] );
+       }
+
+       protected function getInputElement( $config ) {
+               return new Tag( 'select' );
+       }
+
+       public function setValue( $value ) {
+               $this->value = $this->cleanUpValue( $value );
+               foreach ( $this->options as &$opt ) {
+                       if ( $opt->getAttribute( 'value' ) === $this->value ) {
+                               $opt->setAttributes( [ 'selected' => 'selected' ] );
+                       } else {
+                               $opt->removeAttributes( [ 'selected' ] );
+                       }
+               }
+               return $this;
+       }
+
+       /**
+        * Set the options available for this input.
+        *
+        * @param array[] $options Array of menu options in the format
+        *   `[ 'data' => …, 'label' => … ]`
+        * @return $this
+        */
+       public function setOptions( $options ) {
+               $value = $this->getValue();
+               $isValueAvailable = false;
+               $this->options = [];
+               $container = $this->input;
+
+               // Rebuild the dropdown menu
+               $this->input->clearContent();
+               foreach ( $options as $opt ) {
+                       if ( empty( $opt['optgroup'] ) ) {
+                               $optValue = $this->cleanUpValue( $opt['data'] );
+                               $option = ( new Tag( 'option' ) )
+                                       ->setAttributes( [ 'value' => $optValue ] )
+                                       ->appendContent( isset( $opt['label'] ) ? $opt['label'] : $optValue );
+
+                               if ( $value === $optValue ) {
+                                       $isValueAvailable = true;
+                               }
+                               $container->appendContent( $option );
+                       } else {
+                               $option = ( new Tag( 'optgroup' ) )
+                                       ->setAttributes( [ 'label' => $opt['optgroup'] ] );
+                               $this->input->appendContent( $option );
+                               $container = $option;
+                       }
+
+                       $this->options[] = $option;
+               }
+
+               // Restore the previous value, or reset to something sensible
+               if ( $isValueAvailable ) {
+                       // Previous value is still available
+                       $this->setValue( $value );
+               } else {
+                       // No longer valid, reset
+                       if ( count( $options ) ) {
+                               $this->setValue( $options[0]['data'] );
+                       }
+               }
+
+               return $this;
+       }
+
+       public function getConfig( &$config ) {
+               $o = [];
+               foreach ( $this->options as $option ) {
+                       if ( $option->getTag() !== 'optgroup' ) {
+                               $label = $option->content[0];
+                               $data = $option->getAttribute( 'value' );
+                               $o[] = [ 'data' => $data, 'label' => $label ];
+                       } else {
+                               $optgroup = $option->getAttribute( 'label' );
+                               $o[] = [ 'optgroup' => $optgroup ];
+                       }
+               }
+               $config['options'] = $o;
+               return parent::getConfig( $config );
+       }
+}