1 files changed, 99 insertions, 0 deletions
diff --git a/vendor/oojs/oojs-ui/php/widgets/DropdownInputWidget.php b/vendor/oojs/oojs-ui/php/widgets/DropdownInputWidget.php
new file mode 100644
index 00000000..ae541a66
--- /dev/null
+++ b/vendor/oojs/oojs-ui/php/widgets/DropdownInputWidget.php
@@ -0,0 +1,99 @@
+<?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.
+	 * @var Tag[]
+	 */
+	protected $options = array();
+
+	/**
+	 * @param array $config Configuration options
+	 * @param array[] $config['options'] Array of menu options in the format
+	 *   `array( 'data' => …, 'label' => … )`
+	 */
+	public function __construct( array $config = array() ) {
+		// Parent constructor
+		parent::__construct( $config );
+
+		// Initialization
+		$this->setOptions( isset( $config['options'] ) ? $config['options'] : array() );
+		$this->addClasses( array( 'oo-ui-dropdownInputWidget' ) );
+	}
+
+	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( array( 'selected' => 'selected' ) );
+			} else {
+				$opt->removeAttributes( array( 'selected' ) );
+			}
+		}
+		return $this;
+	}
+
+
+	/**
+	 * Set the options available for this input.
+	 *
+	 * @param array[] $options Array of menu options in the format
+	 *   `array( 'data' => …, 'label' => … )`
+	 * @chainable
+	 */
+	public function setOptions( $options ) {
+		$value = $this->getValue();
+		$isValueAvailable = false;
+		$this->options = array();
+
+		// Rebuild the dropdown menu
+		$this->input->clearContent();
+		foreach ( $options as $opt ) {
+			$option = new Tag( 'option' );
+			$option->setAttributes( array( 'value' => $opt['data'] ) );
+			$option->appendContent( isset( $opt['label'] ) ? $opt['label'] : $opt['data'] );
+
+			if ( $value === $opt['data'] ) {
+				$isValueAvailable = true;
+			}
+
+			$this->options[] = $option;
+			$this->input->appendContent( $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+			// No longer valid, reset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 = array();
+		foreach ( $this->options as $option ) {
+			$label = $option->content[0];
+			$data = $option->getAttribute( 'value' );
+			$o[] = array( 'data' => $data, 'label' => $label );
+		}
+		$config['options'] = $o;
+		return parent::getConfig( $config );
+	}
+}