* A checkbox matrix
* Operates similarly to HTMLMultiSelectField, but instead of using an array of
* options, uses an array of rows and an array of columns to dynamically
- * construct a matrix of options.
+ * construct a matrix of options. The tags used to identify a particular cell
+ * are of the form "columnName-rowName"
+ *
+ * Options:
+ * columns: Required list of columns in the matrix.
+ * rows: Required list of rows in the matrix.
+ * force-options-on: Accepts array of column-row tags to be displayed as enabled
+ * but unavailable to change
+ * force-options-off: Accepts array of column-row tags to be displayed as disabled
+ * but unavailable to change.
*/
-class HTMLCheckMatrix extends HTMLFormField {
+class HTMLCheckMatrix extends HTMLFormField implements HTMLNestedFilterable {
+
+ static private $requiredParams = array(
+ // Required by underlying HTMLFormField
+ 'fieldname',
+ // Required by HTMLCheckMatrix
+ 'rows', 'columns'
+ );
+
+ public function __construct( $params ) {
+ $missing = array_diff( self::$requiredParams, array_keys( $params ) );
+ if ( $missing ) {
+ throw HTMLFormFieldRequiredOptionsException::create( $this, $missing );
+ }
+ parent::__construct( $params );
+ }
function validate( $value, $alldata ) {
$rows = $this->mParams['rows'];
foreach ( $rows as $rowLabel => $rowTag ) {
$rowContents = Html::rawElement( 'td', array(), $rowLabel );
foreach ( $columns as $columnTag ) {
- // Knock out any options that are not wanted
- if ( isset( $this->mParams['remove-options'] )
- && in_array( "$columnTag-$rowTag", $this->mParams['remove-options'] ) )
- {
- $rowContents .= Html::rawElement( 'td', array(), ' ' );
- } else {
- // Construct the checkbox
- $thisAttribs = array(
- 'id' => "{$this->mID}-$columnTag-$rowTag",
- 'value' => $columnTag . '-' . $rowTag
- );
- $checkbox = Xml::check(
- $this->mName . '[]',
- in_array( $columnTag . '-' . $rowTag, (array)$value, true ),
- $attribs + $thisAttribs );
- $rowContents .= Html::rawElement( 'td', array(), $checkbox );
+ $thisTag = "$columnTag-$rowTag";
+ // Construct the checkbox
+ $thisAttribs = array(
+ 'id' => "{$this->mID}-$thisTag",
+ 'value' => $thisTag,
+ );
+ $checked = in_array( $thisTag, (array)$value, true);
+ if ( $this->isTagForcedOff( $thisTag ) ) {
+ $checked = false;
+ $thisAttribs['disabled'] = 1;
+ } elseif ( $this->isTagForcedOn( $thisTag ) ) {
+ $checked = true;
+ $thisAttribs['disabled'] = 1;
}
+ $rowContents .= Html::rawElement(
+ 'td',
+ array(),
+ Xml::check( "{$this->mName}[]", $checked, $attribs + $thisAttribs )
+ );
}
$tableContents .= Html::rawElement( 'tr', array(), "\n$rowContents\n" );
}
return $html;
}
+ protected function isTagForcedOff( $tag ) {
+ return isset( $this->mParams['force-options-off'] )
+ && in_array( $tag, $this->mParams['force-options-off'] );
+ }
+
+ protected function isTagForcedOn( $tag ) {
+ return isset( $this->mParams['force-options-on'] )
+ && in_array( $tag, $this->mParams['force-options-on'] );
+ }
+
/**
* Get the complete table row for the input, including help text,
* labels, and whatever.
return array();
}
}
+
+ function filterDataForSubmit( $data ) {
+ $columns = HTMLFormField::flattenOptions( $this->mParams['columns'] );
+ $rows = HTMLFormField::flattenOptions( $this->mParams['rows'] );
+ $res = array();
+ foreach ( $columns as $column ) {
+ foreach ( $rows as $row ) {
+ // Make sure option hasn't been forced
+ $thisTag = "$column-$row";
+ if ( $this->isTagForcedOff( $thisTag ) ) {
+ $res[$thisTag] = false;
+ } elseif ($this->isTagForcedOn( $thisTag ) ) {
+ $res[$thisTag] = true;
+ } else {
+ $res[$thisTag] = in_array( $thisTag, $data );
+ }
+ }
+ }
+
+ return $res;
+ }
}
/**
/**
* Multi-select field
*/
-class HTMLMultiSelectField extends HTMLFormField {
+class HTMLMultiSelectField extends HTMLFormField implements HTMLNestedFilterable {
function validate( $value, $alldata ) {
$p = parent::validate( $value, $alldata );
}
}
+ function filterDataForSubmit( $data ) {
+ $options = HTMLFormField::flattenOptions( $this->mParams['options'] );
+
+ $res = array();
+ foreach ( $options as $opt ) {
+ $res["$opt"] = in_array( $opt, $data );
+ }
+
+ return $res;
+ }
+
protected function needsLabel() {
return false;
}
return '';
}
}
+
+interface HTMLNestedFilterable {
+ /**
+ * Support for seperating multi-option preferences into multiple preferences
+ * Due to lack of array support.
+ * @param $data array
+ */
+ function filterDataForSubmit( $data );
+}
+
+class HTMLFormFieldRequiredOptionsException extends MWException {
+ static public function create( HTMLFormField $field, array $missing ) {
+ return new self( sprintf(
+ "Form type `%s` expected the following parameters to be set: %s",
+ get_class( $field ),
+ implode( ', ', $missing )
+ ) );
+ }
+}
}
/**
+ * Separate multi-option preferences into multiple preferences, since we
+ * have to store them separately
* @param $data array
* @return array
*/
function filterDataForSubmit( $data ) {
- // Support for separating multi-option preferences into multiple preferences
- // Due to lack of array support.
foreach ( $this->mFlatFields as $fieldname => $field ) {
- $info = $field->mParams;
-
- if ( $field instanceof HTMLMultiSelectField ) {
- $options = HTMLFormField::flattenOptions( $info['options'] );
+ if ( $field instanceof HTMLNestedFilterable ) {
+ $info = $field->mParams;
$prefix = isset( $info['prefix'] ) ? $info['prefix'] : $fieldname;
-
- foreach ( $options as $opt ) {
- $data["$prefix$opt"] = in_array( $opt, $data[$fieldname] );
+ foreach ( $field->filterDataForSubmit( $data[$fieldname] ) as $key => $value ) {
+ $data["$prefix-$key"] = $value;
}
-
- unset( $data[$fieldname] );
-
- } elseif ( $field instanceof HTMLCheckMatrix ) {
- $columns = HTMLFormField::flattenOptions( $info['columns'] );
- $rows = HTMLFormField::flattenOptions( $info['rows'] );
- $prefix = isset( $info['prefix'] ) ? $info['prefix'] : $fieldname;
- foreach ( $columns as $column ) {
- foreach ( $rows as $row ) {
- // Make sure option hasn't been removed
- if ( !isset( $info['remove-options'] )
- || !in_array( "$column-$row", $info['remove-options'] ) )
- {
- $data["$prefix-$column-$row"] = in_array( "$column-$row", $data[$fieldname] );
- }
- }
- }
-
unset( $data[$fieldname] );
}
}
--- /dev/null
+<?php
+
+/**
+ * Unit tests for the HTMLCheckMatrix form field
+ */
+class HtmlCheckMatrixTest extends MediaWikiTestCase {
+ static private $defaultOptions = array(
+ 'rows' => array( 'r1', 'r2' ),
+ 'columns' => array( 'c1', 'c2' ),
+ 'fieldname' => 'test',
+ );
+
+ public function testPlainInstantiation() {
+ try {
+ $form = new HTMLCheckMatrix( array() );
+ } catch ( MWException $e ) {
+ $this->assertInstanceOf( 'HTMLFormFieldRequiredOptionsException', $e );
+ return;
+ }
+
+ $this->fail('Expected MWException indicating missing parameters but none was thrown.');
+ }
+
+ public function testInstantiationWithMinimumRequiredParameters() {
+ $form = new HTMLCheckMatrix( self::$defaultOptions );
+ $this->assertTrue(true); // form instantiation must throw exception on failure
+ }
+
+ public function testValidateCallsUserDefinedValidationCallback() {
+ $called = false;
+ $field = new HTMLCheckMatrix( self::$defaultOptions + array(
+ 'validation-callback' => function() use ( &$called ) {
+ $called = true;
+ return false;
+ },
+ ) );
+ $this->assertEquals( false, $this->validate( $field, array() ) );
+ $this->assertTrue( $called );
+ }
+
+ public function testValidateRequiresArrayInput() {
+ $field = new HTMLCheckMatrix( self::$defaultOptions );
+ $this->assertEquals( false, $this->validate( $field, null ) );
+ $this->assertEquals( false, $this->validate( $field, true ) );
+ $this->assertEquals( false, $this->validate( $field, 'abc' ) );
+ $this->assertEquals( false, $this->validate( $field, new stdClass ) );
+ $this->assertEquals( true, $this->validate( $field, array() ) );
+ }
+
+ public function testValidateAllowsOnlyKnownTags() {
+ $field = new HTMLCheckMatrix( self::$defaultOptions );
+ $this->assertInternalType('string', $this->validate( $field, array( 'foo' ) ) );
+ }
+
+ public function testValidateAcceptsPartialTagList() {
+ $field = new HTMLCheckMatrix( self::$defaultOptions );
+ $this->assertTrue( $this->validate( $field, array() ) );
+ $this->assertTrue( $this->validate( $field, array( 'c1-r1' ) ) );
+ $this->assertTrue( $this->validate( $field, array( 'c1-r1', 'c1-r2', 'c2-r1', 'c2-r2' ) ) );
+ }
+
+ /**
+ * This form object actually has no visibility into what happens later on, but essentially
+ * if the data submitted by the user passes validate the following is run:
+ * foreach ( $field->filterDataForSubmit( $data ) as $k => $v ) {
+ * $user->setOption( $k, $v );
+ * }
+ */
+ public function testValuesForcedOnRemainOn() {
+ $field = new HTMLCheckMatrix( self::$defaultOptions + array(
+ 'force-options-on' => array( 'c2-r1' ),
+ ) );
+ $expected = array(
+ 'c1-r1' => false,
+ 'c1-r2' => false,
+ 'c2-r1' => true,
+ 'c2-r2' => false,
+ );
+ $this->assertEquals($expected, $field->filterDataForSubmit( array() ) );
+ }
+
+ public function testValuesForcedOffRemainOff() {
+ $field = new HTMLCheckMatrix( self::$defaultOptions + array(
+ 'force-options-off' => array( 'c1-r2', 'c2-r2' ),
+ ) );
+ $expected = array(
+ 'c1-r1' => true,
+ 'c1-r2' => false,
+ 'c2-r1' => true,
+ 'c2-r2' => false,
+ );
+ // array_keys on the result simulates submitting all fields checked
+ $this->assertEquals($expected, $field->filterDataForSubmit( array_keys($expected) ) );
+ }
+
+ protected function validate( HTMLFormField $field, $submitted ) {
+ return $field->validate(
+ $submitted,
+ array( self::$defaultOptions['fieldname'] => $submitted )
+ );
+ }
+}