1 files changed, 326 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Specials/Ask/ParameterInput.php b/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Specials/Ask/ParameterInput.php
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index 00000000..5a505ed3
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+++ b/www/wiki/extensions/SemanticMediaWiki/src/MediaWiki/Specials/Ask/ParameterInput.php
@@ -0,0 +1,326 @@
+<?php
+
+namespace SMW\MediaWiki\Specials\Ask;
+
+use Html;
+use ParamProcessor\ParamDefinition;
+use Xml;
+
+/**
+ * Simple class to get a HTML input for the parameter.
+ * Usable for when creating a GUI from a parameter list.
+ *
+ * Based on 'addOptionInput' from Special:Ask in SMW 1.5.6.
+ *
+ * TODO: nicify HTML
+ *
+ * @since 1.9
+ *
+ * @ingroup SMW
+ *
+ * @licence GNU GPL v2+
+ * @author Jeroen De Dauw < jeroendedauw@gmail.com >
+ */
+class ParameterInput {
+
+	/**
+	 * The parameter to print an input for.
+	 *
+	 * @since 1.9
+	 *
+	 * @var ParamDefinition
+	 */
+	protected $param;
+
+	/**
+	 * The current value for the parameter. When provided,
+	 * it'll be used as value for the input, otherwise the
+	 * parameters default value will be used.
+	 *
+	 * @since 1.9
+	 *
+	 * @var mixed: string or false
+	 */
+	protected $currentValue;
+
+	/**
+	 * Name for the input.
+	 *
+	 * @since 1.9
+	 *
+	 * @var string
+	 */
+	protected $inputName;
+
+	/**
+	 * @var array
+	 */
+	private $attributes = [];
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 1.9
+	 *
+	 * @param ParamDefinition $param
+	 * @param mixed $currentValue
+	 */
+	public function __construct( ParamDefinition $param, $currentValue = false ) {
+		$this->currentValue = $currentValue;
+		$this->inputName = $param->getName();
+		$this->param = $param;
+	}
+
+	/**
+	 * Sets the current value.
+	 *
+	 * @since 1.9
+	 *
+	 * @param mixed $currentValue
+	 */
+	public function setCurrentValue( $currentValue ) {
+		$this->currentValue = $currentValue;
+	}
+
+	/**
+	 * Sets the name for the input; defaults to the name of the parameter.
+	 *
+	 * @since 1.9
+	 *
+	 * @param string $name
+	 */
+	public function setInputName( $name ) {
+		$this->inputName = $name;
+	}
+
+	/**
+	 * @since 3.0
+	 *
+	 * @param array $attributes
+	 */
+	public function setAttributes( array $attributes ) {
+		$this->attributes = $attributes;
+	}
+
+	/**
+	 * Returns the HTML for the parameter input.
+	 *
+	 * @since 1.9
+	 *
+	 * @return string
+	 */
+	public function getHtml() {
+		$valueList = [];
+
+		if ( is_array( $this->param->getAllowedValues() ) ) {
+			$valueList = $this->param->getAllowedValues();
+		}
+
+		if ( $valueList === [] ) {
+			switch ( $this->param->getType() ) {
+				case 'char':
+				case 'float':
+				case 'integer':
+				case 'number':
+					$html = $this->getNumberInput();
+					break;
+				case 'boolean':
+					$html = $this->getBooleanInput();
+					break;
+				case 'string':
+				default:
+					$html = $this->getStrInput();
+					break;
+			}
+		} else {
+			$html = $this->param->isList() ? $this->getCheckboxListInput( $valueList ) : $this->getSelectInput( $valueList );
+		}
+
+		return $html;
+	}
+
+	/**
+	 * Returns the value to initially display with the input.
+	 *
+	 * @since 1.9
+	 *
+	 * @return string
+	 */
+	protected function getValueToUse() {
+		$value = $this->currentValue === false ? $this->param->getDefault() : $this->currentValue;
+
+		if ( $this->param->isList() && is_array( $value ) ) {
+			$value = implode( $this->param->getDelimiter(), $value );
+		}
+
+		// #1473
+		if ( $value === [] ) {
+		   $value = '';
+		}
+
+		return $value;
+	}
+
+	/**
+	 * Gets a short text input suitable for numbers.
+	 *
+	 * @since 1.9
+	 *
+	 * @return string
+	 */
+	protected function getNumberInput() {
+
+		$attributes = [
+			'class' => 'parameter-number-input',
+			'size' => 6,
+			'style' => "width: 95%;"
+		];
+
+		if ( $this->attributes !==[] ) {
+			$attributes = $this->attributes;
+		}
+
+		return Html::input(
+			$this->inputName,
+			$this->getValueToUse(),
+			'text',
+			$attributes
+		);
+	}
+
+	/**
+	 * Gets a text input for a string.
+	 *
+	 * @since 1.9
+	 *
+	 * @return string
+	 */
+	protected function getStrInput() {
+
+		$attributes = [
+			'class' => 'parameter-string-input',
+			'size' => 20,
+			'style' => "width: 95%;"
+		];
+
+		if ( $this->attributes !==[] ) {
+			$attributes = $this->attributes;
+		}
+
+		return Html::input(
+			$this->inputName,
+			$this->getValueToUse(),
+			'text',
+			$attributes
+		);
+	}
+
+	/**
+	 * Gets a checkbox.
+	 *
+	 * @since 1.9
+	 *
+	 * @return string
+	 */
+	protected function getBooleanInput() {
+
+		$attributes = [
+			'class' => 'parameter-boolean-input'
+		];
+
+		if ( $this->attributes !==[] ) {
+			$attributes = $this->attributes;
+		}
+
+		return Xml::check(
+			$this->inputName,
+			$this->getValueToUse(),
+			$attributes
+		);
+	}
+
+	/**
+	 * Gets a select menu for the provided values.
+	 *
+	 * @since 1.9
+	 *
+	 * @param array $valueList
+	 *
+	 * @return string
+	 */
+	protected function getSelectInput( array $valueList ) {
+		$options = [];
+		$options[] = '<option value=""></option>';
+
+		$currentValues = (array)$this->getValueToUse();
+		if ( is_null( $currentValues ) ) {
+			$currentValues = [];
+		}
+
+		foreach ( $valueList as $value ) {
+			$options[] =
+				'<option value="' . htmlspecialchars( $value ) . '"' .
+					( in_array( $value, $currentValues ) ? ' selected="selected"' : '' ) . '>' . htmlspecialchars( $value ) .
+				'</option>';
+		}
+
+		return Html::rawElement(
+			'select',
+			[
+				'name' => $this->inputName,
+				'class'=> 'parameter-select-input'
+			],
+			implode( "\n", $options )
+		);
+	}
+
+	/**
+	 * Gets a list of input boxes for the provided values.
+	 *
+	 * @since 1.9
+	 *
+	 * @param array $valueList
+	 *
+	 * @return string
+	 */
+	protected function getCheckboxListInput( array $valueList ) {
+		$boxes = [];
+		$currentValues = [];
+
+		$values = $this->getValueToUse();
+
+		// List of comma separated values, see ParametersProcessor::getParameterList
+		if ( strpos( $values, ',' ) !== false ) {
+			$currentValues = array_flip(
+				array_map( 'trim', explode( ',', $values ) )
+			);
+		} elseif ( $values !== '' ) {
+			$currentValues[$values] = true;
+		}
+
+		foreach ( $valueList as $value ) {
+
+			// Use a value not a simple "true"
+			$attr = [
+				'type' => 'checkbox',
+				'name' => $this->inputName . '[]',
+				'value' => $value
+			];
+
+			$boxes[] = Html::rawElement(
+				'span',
+				[
+					'class' => 'parameter-checkbox-input',
+					'style' => 'white-space: nowrap; padding-right: 5px;'
+				],
+				Html::rawElement(
+					'input',
+					$attr + ( isset( $currentValues[$value] ) ? [ 'checked' ] : [] )
+				) . Html::element( 'tt', [], $value )
+			);
+		}
+
+		return implode( "\n", $boxes );
+	}
+
+}