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+<?php
+
+/**
+ * The parent class to generate form fields. Any field type should
+ * be a subclass of this.
+ */
+abstract class HTMLFormField {
+ public $mParams;
+
+ protected $mValidationCallback;
+ protected $mFilterCallback;
+ protected $mName;
+ protected $mDir;
+ protected $mLabel; # String label, as HTML. Set on construction.
+ protected $mID;
+ protected $mClass = '';
+ protected $mVFormClass = '';
+ protected $mHelpClass = false;
+ protected $mDefault;
+ protected $mOptions = false;
+ protected $mOptionsLabelsNotFromMessage = false;
+ protected $mHideIf = null;
+
+ /**
+ * @var bool If true will generate an empty div element with no label
+ * @since 1.22
+ */
+ protected $mShowEmptyLabels = true;
+
+ /**
+ * @var HTMLForm|null
+ */
+ public $mParent;
+
+ /**
+ * This function must be implemented to return the HTML to generate
+ * the input object itself. It should not implement the surrounding
+ * table cells/rows, or labels/help messages.
+ *
+ * @param string $value The value to set the input to; eg a default
+ * text for a text input.
+ *
+ * @return string Valid HTML.
+ */
+ abstract public function getInputHTML( $value );
+
+ /**
+ * Same as getInputHTML, but returns an OOUI object.
+ * Defaults to false, which getOOUI will interpret as "use the HTML version"
+ *
+ * @param string $value
+ * @return OOUI\Widget|false
+ */
+ public function getInputOOUI( $value ) {
+ return false;
+ }
+
+ /**
+ * True if this field type is able to display errors; false if validation errors need to be
+ * displayed in the main HTMLForm error area.
+ * @return bool
+ */
+ public function canDisplayErrors() {
+ return $this->hasVisibleOutput();
+ }
+
+ /**
+ * Get a translated interface message
+ *
+ * This is a wrapper around $this->mParent->msg() if $this->mParent is set
+ * and wfMessage() otherwise.
+ *
+ * Parameters are the same as wfMessage().
+ *
+ * @return Message
+ */
+ public function msg() {
+ $args = func_get_args();
+
+ if ( $this->mParent ) {
+ $callback = [ $this->mParent, 'msg' ];
+ } else {
+ $callback = 'wfMessage';
+ }
+
+ return call_user_func_array( $callback, $args );
+ }
+
+ /**
+ * If this field has a user-visible output or not. If not,
+ * it will not be rendered
+ *
+ * @return bool
+ */
+ public function hasVisibleOutput() {
+ return true;
+ }
+
+ /**
+ * Fetch a field value from $alldata for the closest field matching a given
+ * name.
+ *
+ * This is complex because it needs to handle array fields like the user
+ * would expect. The general algorithm is to look for $name as a sibling
+ * of $this, then a sibling of $this's parent, and so on. Keeping in mind
+ * that $name itself might be referencing an array.
+ *
+ * @param array $alldata
+ * @param string $name
+ * @return string
+ */
+ protected function getNearestFieldByName( $alldata, $name ) {
+ $tmp = $this->mName;
+ $thisKeys = [];
+ while ( preg_match( '/^(.+)\[([^\]]+)\]$/', $tmp, $m ) ) {
+ array_unshift( $thisKeys, $m[2] );
+ $tmp = $m[1];
+ }
+ if ( substr( $tmp, 0, 2 ) == 'wp' &&
+ !array_key_exists( $tmp, $alldata ) &&
+ array_key_exists( substr( $tmp, 2 ), $alldata )
+ ) {
+ // Adjust for name mangling.
+ $tmp = substr( $tmp, 2 );
+ }
+ array_unshift( $thisKeys, $tmp );
+
+ $tmp = $name;
+ $nameKeys = [];
+ while ( preg_match( '/^(.+)\[([^\]]+)\]$/', $tmp, $m ) ) {
+ array_unshift( $nameKeys, $m[2] );
+ $tmp = $m[1];
+ }
+ array_unshift( $nameKeys, $tmp );
+
+ $testValue = '';
+ for ( $i = count( $thisKeys ) - 1; $i >= 0; $i-- ) {
+ $keys = array_merge( array_slice( $thisKeys, 0, $i ), $nameKeys );
+ $data = $alldata;
+ while ( $keys ) {
+ $key = array_shift( $keys );
+ if ( !is_array( $data ) || !array_key_exists( $key, $data ) ) {
+ continue 2;
+ }
+ $data = $data[$key];
+ }
+ $testValue = (string)$data;
+ break;
+ }
+
+ return $testValue;
+ }
+
+ /**
+ * Helper function for isHidden to handle recursive data structures.
+ *
+ * @param array $alldata
+ * @param array $params
+ * @return bool
+ * @throws MWException
+ */
+ protected function isHiddenRecurse( array $alldata, array $params ) {
+ $origParams = $params;
+ $op = array_shift( $params );
+
+ try {
+ switch ( $op ) {
+ case 'AND':
+ foreach ( $params as $i => $p ) {
+ if ( !is_array( $p ) ) {
+ throw new MWException(
+ "Expected array, found " . gettype( $p ) . " at index $i"
+ );
+ }
+ if ( !$this->isHiddenRecurse( $alldata, $p ) ) {
+ return false;
+ }
+ }
+ return true;
+
+ case 'OR':
+ foreach ( $params as $i => $p ) {
+ if ( !is_array( $p ) ) {
+ throw new MWException(
+ "Expected array, found " . gettype( $p ) . " at index $i"
+ );
+ }
+ if ( $this->isHiddenRecurse( $alldata, $p ) ) {
+ return true;
+ }
+ }
+ return false;
+
+ case 'NAND':
+ foreach ( $params as $i => $p ) {
+ if ( !is_array( $p ) ) {
+ throw new MWException(
+ "Expected array, found " . gettype( $p ) . " at index $i"
+ );
+ }
+ if ( !$this->isHiddenRecurse( $alldata, $p ) ) {
+ return true;
+ }
+ }
+ return false;
+
+ case 'NOR':
+ foreach ( $params as $i => $p ) {
+ if ( !is_array( $p ) ) {
+ throw new MWException(
+ "Expected array, found " . gettype( $p ) . " at index $i"
+ );
+ }
+ if ( $this->isHiddenRecurse( $alldata, $p ) ) {
+ return false;
+ }
+ }
+ return true;
+
+ case 'NOT':
+ if ( count( $params ) !== 1 ) {
+ throw new MWException( "NOT takes exactly one parameter" );
+ }
+ $p = $params[0];
+ if ( !is_array( $p ) ) {
+ throw new MWException(
+ "Expected array, found " . gettype( $p ) . " at index 0"
+ );
+ }
+ return !$this->isHiddenRecurse( $alldata, $p );
+
+ case '===':
+ case '!==':
+ if ( count( $params ) !== 2 ) {
+ throw new MWException( "$op takes exactly two parameters" );
+ }
+ list( $field, $value ) = $params;
+ if ( !is_string( $field ) || !is_string( $value ) ) {
+ throw new MWException( "Parameters for $op must be strings" );
+ }
+ $testValue = $this->getNearestFieldByName( $alldata, $field );
+ switch ( $op ) {
+ case '===':
+ return ( $value === $testValue );
+ case '!==':
+ return ( $value !== $testValue );
+ }
+
+ default:
+ throw new MWException( "Unknown operation" );
+ }
+ } catch ( Exception $ex ) {
+ throw new MWException(
+ "Invalid hide-if specification for $this->mName: " .
+ $ex->getMessage() . " in " . var_export( $origParams, true ),
+ 0, $ex
+ );
+ }
+ }
+
+ /**
+ * Test whether this field is supposed to be hidden, based on the values of
+ * the other form fields.
+ *
+ * @since 1.23
+ * @param array $alldata The data collected from the form
+ * @return bool
+ */
+ public function isHidden( $alldata ) {
+ if ( !$this->mHideIf ) {
+ return false;
+ }
+
+ return $this->isHiddenRecurse( $alldata, $this->mHideIf );
+ }
+
+ /**
+ * Override this function if the control can somehow trigger a form
+ * submission that shouldn't actually submit the HTMLForm.
+ *
+ * @since 1.23
+ * @param string|array $value The value the field was submitted with
+ * @param array $alldata The data collected from the form
+ *
+ * @return bool True to cancel the submission
+ */
+ public function cancelSubmit( $value, $alldata ) {
+ return false;
+ }
+
+ /**
+ * Override this function to add specific validation checks on the
+ * field input. Don't forget to call parent::validate() to ensure
+ * that the user-defined callback mValidationCallback is still run
+ *
+ * @param string|array $value The value the field was submitted with
+ * @param array $alldata The data collected from the form
+ *
+ * @return bool|string|Message True on success, or String/Message error to display, or
+ * false to fail validation without displaying an error.
+ */
+ public function validate( $value, $alldata ) {
+ if ( $this->isHidden( $alldata ) ) {
+ return true;
+ }
+
+ if ( isset( $this->mParams['required'] )
+ && $this->mParams['required'] !== false
+ && $value === ''
+ ) {
+ return $this->msg( 'htmlform-required' );
+ }
+
+ if ( isset( $this->mValidationCallback ) ) {
+ return call_user_func( $this->mValidationCallback, $value, $alldata, $this->mParent );
+ }
+
+ return true;
+ }
+
+ public function filter( $value, $alldata ) {
+ if ( isset( $this->mFilterCallback ) ) {
+ $value = call_user_func( $this->mFilterCallback, $value, $alldata, $this->mParent );
+ }
+
+ return $value;
+ }
+
+ /**
+ * Should this field have a label, or is there no input element with the
+ * appropriate id for the label to point to?
+ *
+ * @return bool True to output a label, false to suppress
+ */
+ protected function needsLabel() {
+ return true;
+ }
+
+ /**
+ * Tell the field whether to generate a separate label element if its label
+ * is blank.
+ *
+ * @since 1.22
+ *
+ * @param bool $show Set to false to not generate a label.
+ * @return void
+ */
+ public function setShowEmptyLabel( $show ) {
+ $this->mShowEmptyLabels = $show;
+ }
+
+ /**
+ * Can we assume that the request is an attempt to submit a HTMLForm, as opposed to an attempt to
+ * just view it? This can't normally be distinguished for e.g. checkboxes.
+ *
+ * Returns true if the request has a field for a CSRF token (wpEditToken) or a form identifier
+ * (wpFormIdentifier).
+ *
+ * @param WebRequest $request
+ * @return bool
+ */
+ protected function isSubmitAttempt( WebRequest $request ) {
+ return $request->getCheck( 'wpEditToken' ) || $request->getCheck( 'wpFormIdentifier' );
+ }
+
+ /**
+ * Get the value that this input has been set to from a posted form,
+ * or the input's default value if it has not been set.
+ *
+ * @param WebRequest $request
+ * @return string The value
+ */
+ public function loadDataFromRequest( $request ) {
+ if ( $request->getCheck( $this->mName ) ) {
+ return $request->getText( $this->mName );
+ } else {
+ return $this->getDefault();
+ }
+ }
+
+ /**
+ * Initialise the object
+ *
+ * @param array $params Associative Array. See HTMLForm doc for syntax.
+ *
+ * @since 1.22 The 'label' attribute no longer accepts raw HTML, use 'label-raw' instead
+ * @throws MWException
+ */
+ public function __construct( $params ) {
+ $this->mParams = $params;
+
+ if ( isset( $params['parent'] ) && $params['parent'] instanceof HTMLForm ) {
+ $this->mParent = $params['parent'];
+ }
+
+ # Generate the label from a message, if possible
+ if ( isset( $params['label-message'] ) ) {
+ $this->mLabel = $this->getMessage( $params['label-message'] )->parse();
+ } elseif ( isset( $params['label'] ) ) {
+ if ( $params['label'] === '&#160;' ) {
+ // Apparently some things set &nbsp directly and in an odd format
+ $this->mLabel = '&#160;';
+ } else {
+ $this->mLabel = htmlspecialchars( $params['label'] );
+ }
+ } elseif ( isset( $params['label-raw'] ) ) {
+ $this->mLabel = $params['label-raw'];
+ }
+
+ $this->mName = "wp{$params['fieldname']}";
+ if ( isset( $params['name'] ) ) {
+ $this->mName = $params['name'];
+ }
+
+ if ( isset( $params['dir'] ) ) {
+ $this->mDir = $params['dir'];
+ }
+
+ $validName = urlencode( $this->mName );
+ $validName = str_replace( [ '%5B', '%5D' ], [ '[', ']' ], $validName );
+ if ( $this->mName != $validName && !isset( $params['nodata'] ) ) {
+ throw new MWException( "Invalid name '{$this->mName}' passed to " . __METHOD__ );
+ }
+
+ $this->mID = "mw-input-{$this->mName}";
+
+ if ( isset( $params['default'] ) ) {
+ $this->mDefault = $params['default'];
+ }
+
+ if ( isset( $params['id'] ) ) {
+ $id = $params['id'];
+ $validId = urlencode( $id );
+
+ if ( $id != $validId ) {
+ throw new MWException( "Invalid id '$id' passed to " . __METHOD__ );
+ }
+
+ $this->mID = $id;
+ }
+
+ if ( isset( $params['cssclass'] ) ) {
+ $this->mClass = $params['cssclass'];
+ }
+
+ if ( isset( $params['csshelpclass'] ) ) {
+ $this->mHelpClass = $params['csshelpclass'];
+ }
+
+ if ( isset( $params['validation-callback'] ) ) {
+ $this->mValidationCallback = $params['validation-callback'];
+ }
+
+ if ( isset( $params['filter-callback'] ) ) {
+ $this->mFilterCallback = $params['filter-callback'];
+ }
+
+ if ( isset( $params['hidelabel'] ) ) {
+ $this->mShowEmptyLabels = false;
+ }
+
+ if ( isset( $params['hide-if'] ) ) {
+ $this->mHideIf = $params['hide-if'];
+ }
+ }
+
+ /**
+ * Get the complete table row for the input, including help text,
+ * labels, and whatever.
+ *
+ * @param string $value The value to set the input to.
+ *
+ * @return string Complete HTML table row.
+ */
+ public function getTableRow( $value ) {
+ list( $errors, $errorClass ) = $this->getErrorsAndErrorClass( $value );
+ $inputHtml = $this->getInputHTML( $value );
+ $fieldType = static::class;
+ $helptext = $this->getHelpTextHtmlTable( $this->getHelpText() );
+ $cellAttributes = [];
+ $rowAttributes = [];
+ $rowClasses = '';
+
+ if ( !empty( $this->mParams['vertical-label'] ) ) {
+ $cellAttributes['colspan'] = 2;
+ $verticalLabel = true;
+ } else {
+ $verticalLabel = false;
+ }
+
+ $label = $this->getLabelHtml( $cellAttributes );
+
+ $field = Html::rawElement(
+ 'td',
+ [ 'class' => 'mw-input' ] + $cellAttributes,
+ $inputHtml . "\n$errors"
+ );
+
+ if ( $this->mHideIf ) {
+ $rowAttributes['data-hide-if'] = FormatJson::encode( $this->mHideIf );
+ $rowClasses .= ' mw-htmlform-hide-if';
+ }
+
+ if ( $verticalLabel ) {
+ $html = Html::rawElement( 'tr',
+ $rowAttributes + [ 'class' => "mw-htmlform-vertical-label $rowClasses" ], $label );
+ $html .= Html::rawElement( 'tr',
+ $rowAttributes + [
+ 'class' => "mw-htmlform-field-$fieldType {$this->mClass} $errorClass $rowClasses"
+ ],
+ $field );
+ } else {
+ $html =
+ Html::rawElement( 'tr',
+ $rowAttributes + [
+ 'class' => "mw-htmlform-field-$fieldType {$this->mClass} $errorClass $rowClasses"
+ ],
+ $label . $field );
+ }
+
+ return $html . $helptext;
+ }
+
+ /**
+ * Get the complete div for the input, including help text,
+ * labels, and whatever.
+ * @since 1.20
+ *
+ * @param string $value The value to set the input to.
+ *
+ * @return string Complete HTML table row.
+ */
+ public function getDiv( $value ) {
+ list( $errors, $errorClass ) = $this->getErrorsAndErrorClass( $value );
+ $inputHtml = $this->getInputHTML( $value );
+ $fieldType = static::class;
+ $helptext = $this->getHelpTextHtmlDiv( $this->getHelpText() );
+ $cellAttributes = [];
+ $label = $this->getLabelHtml( $cellAttributes );
+
+ $outerDivClass = [
+ 'mw-input',
+ 'mw-htmlform-nolabel' => ( $label === '' )
+ ];
+
+ $horizontalLabel = isset( $this->mParams['horizontal-label'] )
+ ? $this->mParams['horizontal-label'] : false;
+
+ if ( $horizontalLabel ) {
+ $field = '&#160;' . $inputHtml . "\n$errors";
+ } else {
+ $field = Html::rawElement(
+ 'div',
+ [ 'class' => $outerDivClass ] + $cellAttributes,
+ $inputHtml . "\n$errors"
+ );
+ }
+ $divCssClasses = [ "mw-htmlform-field-$fieldType",
+ $this->mClass, $this->mVFormClass, $errorClass ];
+
+ $wrapperAttributes = [
+ 'class' => $divCssClasses,
+ ];
+ if ( $this->mHideIf ) {
+ $wrapperAttributes['data-hide-if'] = FormatJson::encode( $this->mHideIf );
+ $wrapperAttributes['class'][] = ' mw-htmlform-hide-if';
+ }
+ $html = Html::rawElement( 'div', $wrapperAttributes, $label . $field );
+ $html .= $helptext;
+
+ return $html;
+ }
+
+ /**
+ * Get the OOUI version of the div. Falls back to getDiv by default.
+ * @since 1.26
+ *
+ * @param string $value The value to set the input to.
+ *
+ * @return OOUI\FieldLayout|OOUI\ActionFieldLayout
+ */
+ public function getOOUI( $value ) {
+ $inputField = $this->getInputOOUI( $value );
+
+ if ( !$inputField ) {
+ // This field doesn't have an OOUI implementation yet at all. Fall back to getDiv() to
+ // generate the whole field, label and errors and all, then wrap it in a Widget.
+ // It might look weird, but it'll work OK.
+ return $this->getFieldLayoutOOUI(
+ new OOUI\Widget( [ 'content' => new OOUI\HtmlSnippet( $this->getDiv( $value ) ) ] ),
+ [ 'infusable' => false, 'align' => 'top' ]
+ );
+ }
+
+ $infusable = true;
+ if ( is_string( $inputField ) ) {
+ // We have an OOUI implementation, but it's not proper, and we got a load of HTML.
+ // Cheat a little and wrap it in a widget. It won't be infusable, though, since client-side
+ // JavaScript doesn't know how to rebuilt the contents.
+ $inputField = new OOUI\Widget( [ 'content' => new OOUI\HtmlSnippet( $inputField ) ] );
+ $infusable = false;
+ }
+
+ $fieldType = static::class;
+ $help = $this->getHelpText();
+ $errors = $this->getErrorsRaw( $value );
+ foreach ( $errors as &$error ) {
+ $error = new OOUI\HtmlSnippet( $error );
+ }
+
+ $notices = $this->getNotices();
+ foreach ( $notices as &$notice ) {
+ $notice = new OOUI\HtmlSnippet( $notice );
+ }
+
+ $config = [
+ 'classes' => [ "mw-htmlform-field-$fieldType", $this->mClass ],
+ 'align' => $this->getLabelAlignOOUI(),
+ 'help' => ( $help !== null && $help !== '' ) ? new OOUI\HtmlSnippet( $help ) : null,
+ 'errors' => $errors,
+ 'notices' => $notices,
+ 'infusable' => $infusable,
+ ];
+
+ $preloadModules = false;
+
+ if ( $infusable && $this->shouldInfuseOOUI() ) {
+ $preloadModules = true;
+ $config['classes'][] = 'mw-htmlform-field-autoinfuse';
+ }
+
+ // the element could specify, that the label doesn't need to be added
+ $label = $this->getLabel();
+ if ( $label && $label !== '&#160;' ) {
+ $config['label'] = new OOUI\HtmlSnippet( $label );
+ }
+
+ if ( $this->mHideIf ) {
+ $preloadModules = true;
+ $config['hideIf'] = $this->mHideIf;
+ }
+
+ $config['modules'] = $this->getOOUIModules();
+
+ if ( $preloadModules ) {
+ $this->mParent->getOutput()->addModules( 'mediawiki.htmlform.ooui' );
+ $this->mParent->getOutput()->addModules( $this->getOOUIModules() );
+ }
+
+ return $this->getFieldLayoutOOUI( $inputField, $config );
+ }
+
+ /**
+ * Get label alignment when generating field for OOUI.
+ * @return string 'left', 'right', 'top' or 'inline'
+ */
+ protected function getLabelAlignOOUI() {
+ return 'top';
+ }
+
+ /**
+ * Get a FieldLayout (or subclass thereof) to wrap this field in when using OOUI output.
+ * @param string $inputField
+ * @param array $config
+ * @return OOUI\FieldLayout|OOUI\ActionFieldLayout
+ */
+ protected function getFieldLayoutOOUI( $inputField, $config ) {
+ if ( isset( $this->mClassWithButton ) ) {
+ $buttonWidget = $this->mClassWithButton->getInputOOUI( '' );
+ return new HTMLFormActionFieldLayout( $inputField, $buttonWidget, $config );
+ }
+ return new HTMLFormFieldLayout( $inputField, $config );
+ }
+
+ /**
+ * Whether the field should be automatically infused. Note that all OOUI HTMLForm fields are
+ * infusable (you can call OO.ui.infuse() on them), but not all are infused by default, since
+ * there is no benefit in doing it e.g. for buttons and it's a small performance hit on page load.
+ *
+ * @return bool
+ */
+ protected function shouldInfuseOOUI() {
+ // Always infuse fields with help text, since the interface for it is nicer with JS
+ return $this->getHelpText() !== null;
+ }
+
+ /**
+ * Get the list of extra ResourceLoader modules which must be loaded client-side before it's
+ * possible to infuse this field's OOUI widget.
+ *
+ * @return string[]
+ */
+ protected function getOOUIModules() {
+ return [];
+ }
+
+ /**
+ * Get the complete raw fields for the input, including help text,
+ * labels, and whatever.
+ * @since 1.20
+ *
+ * @param string $value The value to set the input to.
+ *
+ * @return string Complete HTML table row.
+ */
+ public function getRaw( $value ) {
+ list( $errors, ) = $this->getErrorsAndErrorClass( $value );
+ $inputHtml = $this->getInputHTML( $value );
+ $helptext = $this->getHelpTextHtmlRaw( $this->getHelpText() );
+ $cellAttributes = [];
+ $label = $this->getLabelHtml( $cellAttributes );
+
+ $html = "\n$errors";
+ $html .= $label;
+ $html .= $inputHtml;
+ $html .= $helptext;
+
+ return $html;
+ }
+
+ /**
+ * Get the complete field for the input, including help text,
+ * labels, and whatever. Fall back from 'vform' to 'div' when not overridden.
+ *
+ * @since 1.25
+ * @param string $value The value to set the input to.
+ * @return string Complete HTML field.
+ */
+ public function getVForm( $value ) {
+ // Ewwww
+ $this->mVFormClass = ' mw-ui-vform-field';
+ return $this->getDiv( $value );
+ }
+
+ /**
+ * Get the complete field as an inline element.
+ * @since 1.25
+ * @param string $value The value to set the input to.
+ * @return string Complete HTML inline element
+ */
+ public function getInline( $value ) {
+ list( $errors, $errorClass ) = $this->getErrorsAndErrorClass( $value );
+ $inputHtml = $this->getInputHTML( $value );
+ $helptext = $this->getHelpTextHtmlDiv( $this->getHelpText() );
+ $cellAttributes = [];
+ $label = $this->getLabelHtml( $cellAttributes );
+
+ $html = "\n" . $errors .
+ $label . '&#160;' .
+ $inputHtml .
+ $helptext;
+
+ return $html;
+ }
+
+ /**
+ * Generate help text HTML in table format
+ * @since 1.20
+ *
+ * @param string|null $helptext
+ * @return string
+ */
+ public function getHelpTextHtmlTable( $helptext ) {
+ if ( is_null( $helptext ) ) {
+ return '';
+ }
+
+ $rowAttributes = [];
+ if ( $this->mHideIf ) {
+ $rowAttributes['data-hide-if'] = FormatJson::encode( $this->mHideIf );
+ $rowAttributes['class'] = 'mw-htmlform-hide-if';
+ }
+
+ $tdClasses = [ 'htmlform-tip' ];
+ if ( $this->mHelpClass !== false ) {
+ $tdClasses[] = $this->mHelpClass;
+ }
+ $row = Html::rawElement( 'td', [ 'colspan' => 2, 'class' => $tdClasses ], $helptext );
+ $row = Html::rawElement( 'tr', $rowAttributes, $row );
+
+ return $row;
+ }
+
+ /**
+ * Generate help text HTML in div format
+ * @since 1.20
+ *
+ * @param string|null $helptext
+ *
+ * @return string
+ */
+ public function getHelpTextHtmlDiv( $helptext ) {
+ if ( is_null( $helptext ) ) {
+ return '';
+ }
+
+ $wrapperAttributes = [
+ 'class' => 'htmlform-tip',
+ ];
+ if ( $this->mHelpClass !== false ) {
+ $wrapperAttributes['class'] .= " {$this->mHelpClass}";
+ }
+ if ( $this->mHideIf ) {
+ $wrapperAttributes['data-hide-if'] = FormatJson::encode( $this->mHideIf );
+ $wrapperAttributes['class'] .= ' mw-htmlform-hide-if';
+ }
+ $div = Html::rawElement( 'div', $wrapperAttributes, $helptext );
+
+ return $div;
+ }
+
+ /**
+ * Generate help text HTML formatted for raw output
+ * @since 1.20
+ *
+ * @param string|null $helptext
+ * @return string
+ */
+ public function getHelpTextHtmlRaw( $helptext ) {
+ return $this->getHelpTextHtmlDiv( $helptext );
+ }
+
+ /**
+ * Determine the help text to display
+ * @since 1.20
+ * @return string|null HTML
+ */
+ public function getHelpText() {
+ $helptext = null;
+
+ if ( isset( $this->mParams['help-message'] ) ) {
+ $this->mParams['help-messages'] = [ $this->mParams['help-message'] ];
+ }
+
+ if ( isset( $this->mParams['help-messages'] ) ) {
+ foreach ( $this->mParams['help-messages'] as $msg ) {
+ $msg = $this->getMessage( $msg );
+
+ if ( $msg->exists() ) {
+ if ( is_null( $helptext ) ) {
+ $helptext = '';
+ } else {
+ $helptext .= $this->msg( 'word-separator' )->escaped(); // some space
+ }
+ $helptext .= $msg->parse(); // Append message
+ }
+ }
+ } elseif ( isset( $this->mParams['help'] ) ) {
+ $helptext = $this->mParams['help'];
+ }
+
+ return $helptext;
+ }
+
+ /**
+ * Determine form errors to display and their classes
+ * @since 1.20
+ *
+ * @param string $value The value of the input
+ * @return array array( $errors, $errorClass )
+ */
+ public function getErrorsAndErrorClass( $value ) {
+ $errors = $this->validate( $value, $this->mParent->mFieldData );
+
+ if ( is_bool( $errors ) || !$this->mParent->wasSubmitted() ) {
+ $errors = '';
+ $errorClass = '';
+ } else {
+ $errors = self::formatErrors( $errors );
+ $errorClass = 'mw-htmlform-invalid-input';
+ }
+
+ return [ $errors, $errorClass ];
+ }
+
+ /**
+ * Determine form errors to display, returning them in an array.
+ *
+ * @since 1.26
+ * @param string $value The value of the input
+ * @return string[] Array of error HTML strings
+ */
+ public function getErrorsRaw( $value ) {
+ $errors = $this->validate( $value, $this->mParent->mFieldData );
+
+ if ( is_bool( $errors ) || !$this->mParent->wasSubmitted() ) {
+ $errors = [];
+ }
+
+ if ( !is_array( $errors ) ) {
+ $errors = [ $errors ];
+ }
+ foreach ( $errors as &$error ) {
+ if ( $error instanceof Message ) {
+ $error = $error->parse();
+ }
+ }
+
+ return $errors;
+ }
+
+ /**
+ * Determine notices to display for the field.
+ *
+ * @since 1.28
+ * @return string[]
+ */
+ public function getNotices() {
+ $notices = [];
+
+ if ( isset( $this->mParams['notice-message'] ) ) {
+ $notices[] = $this->getMessage( $this->mParams['notice-message'] )->parse();
+ }
+
+ if ( isset( $this->mParams['notice-messages'] ) ) {
+ foreach ( $this->mParams['notice-messages'] as $msg ) {
+ $notices[] = $this->getMessage( $msg )->parse();
+ }
+ } elseif ( isset( $this->mParams['notice'] ) ) {
+ $notices[] = $this->mParams['notice'];
+ }
+
+ return $notices;
+ }
+
+ /**
+ * @return string HTML
+ */
+ public function getLabel() {
+ return is_null( $this->mLabel ) ? '' : $this->mLabel;
+ }
+
+ public function getLabelHtml( $cellAttributes = [] ) {
+ # Don't output a for= attribute for labels with no associated input.
+ # Kind of hacky here, possibly we don't want these to be <label>s at all.
+ $for = [];
+
+ if ( $this->needsLabel() ) {
+ $for['for'] = $this->mID;
+ }
+
+ $labelValue = trim( $this->getLabel() );
+ $hasLabel = false;
+ if ( $labelValue !== '&#160;' && $labelValue !== '' ) {
+ $hasLabel = true;
+ }
+
+ $displayFormat = $this->mParent->getDisplayFormat();
+ $html = '';
+ $horizontalLabel = isset( $this->mParams['horizontal-label'] )
+ ? $this->mParams['horizontal-label'] : false;
+
+ if ( $displayFormat === 'table' ) {
+ $html =
+ Html::rawElement( 'td',
+ [ 'class' => 'mw-label' ] + $cellAttributes,
+ Html::rawElement( 'label', $for, $labelValue ) );
+ } elseif ( $hasLabel || $this->mShowEmptyLabels ) {
+ if ( $displayFormat === 'div' && !$horizontalLabel ) {
+ $html =
+ Html::rawElement( 'div',
+ [ 'class' => 'mw-label' ] + $cellAttributes,
+ Html::rawElement( 'label', $for, $labelValue ) );
+ } else {
+ $html = Html::rawElement( 'label', $for, $labelValue );
+ }
+ }
+
+ return $html;
+ }
+
+ public function getDefault() {
+ if ( isset( $this->mDefault ) ) {
+ return $this->mDefault;
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Returns the attributes required for the tooltip and accesskey, for Html::element() etc.
+ *
+ * @return array Attributes
+ */
+ public function getTooltipAndAccessKey() {
+ if ( empty( $this->mParams['tooltip'] ) ) {
+ return [];
+ }
+
+ return Linker::tooltipAndAccesskeyAttribs( $this->mParams['tooltip'] );
+ }
+
+ /**
+ * Returns the attributes required for the tooltip and accesskey, for OOUI widgets' config.
+ *
+ * @return array Attributes
+ */
+ public function getTooltipAndAccessKeyOOUI() {
+ if ( empty( $this->mParams['tooltip'] ) ) {
+ return [];
+ }
+
+ return [
+ 'title' => Linker::titleAttrib( $this->mParams['tooltip'] ),
+ 'accessKey' => Linker::accesskey( $this->mParams['tooltip'] ),
+ ];
+ }
+
+ /**
+ * Returns the given attributes from the parameters
+ *
+ * @param array $list List of attributes to get
+ * @return array Attributes
+ */
+ public function getAttributes( array $list ) {
+ static $boolAttribs = [ 'disabled', 'required', 'autofocus', 'multiple', 'readonly' ];
+
+ $ret = [];
+ foreach ( $list as $key ) {
+ if ( in_array( $key, $boolAttribs ) ) {
+ if ( !empty( $this->mParams[$key] ) ) {
+ $ret[$key] = '';
+ }
+ } elseif ( isset( $this->mParams[$key] ) ) {
+ $ret[$key] = $this->mParams[$key];
+ }
+ }
+
+ return $ret;
+ }
+
+ /**
+ * Given an array of msg-key => value mappings, returns an array with keys
+ * being the message texts. It also forces values to strings.
+ *
+ * @param array $options
+ * @return array
+ */
+ private function lookupOptionsKeys( $options ) {
+ $ret = [];
+ foreach ( $options as $key => $value ) {
+ $key = $this->msg( $key )->plain();
+ $ret[$key] = is_array( $value )
+ ? $this->lookupOptionsKeys( $value )
+ : strval( $value );
+ }
+ return $ret;
+ }
+
+ /**
+ * Recursively forces values in an array to strings, because issues arise
+ * with integer 0 as a value.
+ *
+ * @param array $array
+ * @return array|string
+ */
+ public static function forceToStringRecursive( $array ) {
+ if ( is_array( $array ) ) {
+ return array_map( [ __CLASS__, 'forceToStringRecursive' ], $array );
+ } else {
+ return strval( $array );
+ }
+ }
+
+ /**
+ * Fetch the array of options from the field's parameters. In order, this
+ * checks 'options-messages', 'options', then 'options-message'.
+ *
+ * @return array|null Options array
+ */
+ public function getOptions() {
+ if ( $this->mOptions === false ) {
+ if ( array_key_exists( 'options-messages', $this->mParams ) ) {
+ $this->mOptions = $this->lookupOptionsKeys( $this->mParams['options-messages'] );
+ } elseif ( array_key_exists( 'options', $this->mParams ) ) {
+ $this->mOptionsLabelsNotFromMessage = true;
+ $this->mOptions = self::forceToStringRecursive( $this->mParams['options'] );
+ } elseif ( array_key_exists( 'options-message', $this->mParams ) ) {
+ $message = $this->getMessage( $this->mParams['options-message'] )->inContentLanguage()->plain();
+ $this->mOptions = Xml::listDropDownOptions( $message );
+ } else {
+ $this->mOptions = null;
+ }
+ }
+
+ return $this->mOptions;
+ }
+
+ /**
+ * Get options and make them into arrays suitable for OOUI.
+ * @return array Options for inclusion in a select or whatever.
+ */
+ public function getOptionsOOUI() {
+ $oldoptions = $this->getOptions();
+
+ if ( $oldoptions === null ) {
+ return null;
+ }
+
+ return Xml::listDropDownOptionsOoui( $oldoptions );
+ }
+
+ /**
+ * flatten an array of options to a single array, for instance,
+ * a set of "<options>" inside "<optgroups>".
+ *
+ * @param array $options Associative Array with values either Strings or Arrays
+ * @return array Flattened input
+ */
+ public static function flattenOptions( $options ) {
+ $flatOpts = [];
+
+ foreach ( $options as $value ) {
+ if ( is_array( $value ) ) {
+ $flatOpts = array_merge( $flatOpts, self::flattenOptions( $value ) );
+ } else {
+ $flatOpts[] = $value;
+ }
+ }
+
+ return $flatOpts;
+ }
+
+ /**
+ * Formats one or more errors as accepted by field validation-callback.
+ *
+ * @param string|Message|array $errors Array of strings or Message instances
+ * @return string HTML
+ * @since 1.18
+ */
+ protected static function formatErrors( $errors ) {
+ // Note: If you change the logic in this method, change
+ // htmlform.Checker.js to match.
+
+ if ( is_array( $errors ) && count( $errors ) === 1 ) {
+ $errors = array_shift( $errors );
+ }
+
+ if ( is_array( $errors ) ) {
+ $lines = [];
+ foreach ( $errors as $error ) {
+ if ( $error instanceof Message ) {
+ $lines[] = Html::rawElement( 'li', [], $error->parse() );
+ } else {
+ $lines[] = Html::rawElement( 'li', [], $error );
+ }
+ }
+
+ return Html::rawElement( 'ul', [ 'class' => 'error' ], implode( "\n", $lines ) );
+ } else {
+ if ( $errors instanceof Message ) {
+ $errors = $errors->parse();
+ }
+
+ return Html::rawElement( 'span', [ 'class' => 'error' ], $errors );
+ }
+ }
+
+ /**
+ * Turns a *-message parameter (which could be a MessageSpecifier, or a message name, or a
+ * name + parameters array) into a Message.
+ * @param mixed $value
+ * @return Message
+ */
+ protected function getMessage( $value ) {
+ $message = Message::newFromSpecifier( $value );
+
+ if ( $this->mParent ) {
+ $message->setContext( $this->mParent );
+ }
+
+ return $message;
+ }
+
+ /**
+ * Skip this field when collecting data.
+ * @param WebRequest $request
+ * @return bool
+ * @since 1.27
+ */
+ public function skipLoadData( $request ) {
+ return !empty( $this->mParams['nodata'] );
+ }
+
+ /**
+ * Whether this field requires the user agent to have JavaScript enabled for the client-side HTML5
+ * form validation to work correctly.
+ *
+ * @return bool
+ * @since 1.29
+ */
+ public function needsJSForHtml5FormValidation() {
+ if ( $this->mHideIf ) {
+ // This is probably more restrictive than it needs to be, but better safe than sorry
+ return true;
+ }
+ return false;
+ }
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-05 07:37:22 +0000