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[autoinstallsdev/mediawiki.git] / includes / htmlform / OOUIHTMLForm.php
diff --git a/includes/htmlform/OOUIHTMLForm.php b/includes/htmlform/OOUIHTMLForm.php
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+<?php
+
+/**
+ * HTML form generation and submission handling, OOUI style.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * Compact stacked vertical format for forms, implemented using OOUI widgets.
+ */
+class OOUIHTMLForm extends HTMLForm {
+       private $oouiErrors;
+       private $oouiWarnings;
+
+       public function __construct( $descriptor, $context = null, $messagePrefix = '' ) {
+               parent::__construct( $descriptor, $context, $messagePrefix );
+               $this->getOutput()->enableOOUI();
+               $this->getOutput()->addModuleStyles( 'mediawiki.htmlform.ooui.styles' );
+       }
+
+       /**
+        * Symbolic display format name.
+        * @var string
+        */
+       protected $displayFormat = 'ooui';
+
+       public static function loadInputFromParameters( $fieldname, $descriptor,
+               HTMLForm $parent = null
+       ) {
+               $field = parent::loadInputFromParameters( $fieldname, $descriptor, $parent );
+               $field->setShowEmptyLabel( false );
+               return $field;
+       }
+
+       public function getButtons() {
+               $buttons = '';
+
+               // IE<8 has bugs with <button>, so we'll need to avoid them.
+               $isBadIE = preg_match( '/MSIE [1-7]\./i', $this->getRequest()->getHeader( 'User-Agent' ) );
+
+               if ( $this->mShowSubmit ) {
+                       $attribs = [ 'infusable' => true ];
+
+                       if ( isset( $this->mSubmitID ) ) {
+                               $attribs['id'] = $this->mSubmitID;
+                       }
+
+                       if ( isset( $this->mSubmitName ) ) {
+                               $attribs['name'] = $this->mSubmitName;
+                       }
+
+                       if ( isset( $this->mSubmitTooltip ) ) {
+                               $attribs += [
+                                       'title' => Linker::titleAttrib( $this->mSubmitTooltip ),
+                                       'accessKey' => Linker::accesskey( $this->mSubmitTooltip ),
+                               ];
+                       }
+
+                       $attribs['classes'] = [ 'mw-htmlform-submit' ];
+                       $attribs['type'] = 'submit';
+                       $attribs['label'] = $this->getSubmitText();
+                       $attribs['value'] = $this->getSubmitText();
+                       $attribs['flags'] = $this->mSubmitFlags;
+                       $attribs['useInputTag'] = $isBadIE;
+
+                       $buttons .= new OOUI\ButtonInputWidget( $attribs );
+               }
+
+               if ( $this->mShowReset ) {
+                       $buttons .= new OOUI\ButtonInputWidget( [
+                               'type' => 'reset',
+                               'label' => $this->msg( 'htmlform-reset' )->text(),
+                               'useInputTag' => $isBadIE,
+                       ] );
+               }
+
+               if ( $this->mShowCancel ) {
+                       $target = $this->mCancelTarget ?: Title::newMainPage();
+                       if ( $target instanceof Title ) {
+                               $target = $target->getLocalURL();
+                       }
+                       $buttons .= new OOUI\ButtonWidget( [
+                               'label' => $this->msg( 'cancel' )->text(),
+                               'href' => $target,
+                       ] );
+               }
+
+               foreach ( $this->mButtons as $button ) {
+                       $attrs = [];
+
+                       if ( $button['attribs'] ) {
+                               $attrs += $button['attribs'];
+                       }
+
+                       if ( isset( $button['id'] ) ) {
+                               $attrs['id'] = $button['id'];
+                       }
+
+                       if ( $isBadIE ) {
+                               $label = $button['value'];
+                       } elseif ( isset( $button['label-message'] ) ) {
+                               $label = new OOUI\HtmlSnippet( $this->getMessage( $button['label-message'] )->parse() );
+                       } elseif ( isset( $button['label'] ) ) {
+                               $label = $button['label'];
+                       } elseif ( isset( $button['label-raw'] ) ) {
+                               $label = new OOUI\HtmlSnippet( $button['label-raw'] );
+                       } else {
+                               $label = $button['value'];
+                       }
+
+                       $attrs['classes'] = isset( $attrs['class'] ) ? (array)$attrs['class'] : [];
+
+                       $buttons .= new OOUI\ButtonInputWidget( [
+                               'type' => 'submit',
+                               'name' => $button['name'],
+                               'value' => $button['value'],
+                               'label' => $label,
+                               'flags' => $button['flags'],
+                               'framed' => $button['framed'],
+                               'useInputTag' => $isBadIE,
+                       ] + $attrs );
+               }
+
+               if ( !$buttons ) {
+                       return '';
+               }
+
+               return Html::rawElement( 'div',
+                       [ 'class' => 'mw-htmlform-submit-buttons' ], "\n$buttons" ) . "\n";
+       }
+
+       protected function wrapFieldSetSection( $legend, $section, $attributes ) {
+               // to get a user visible effect, wrap the fieldset into a framed panel layout
+               $layout = new OOUI\PanelLayout( [
+                       'expanded' => false,
+                       'padded' => true,
+                       'framed' => true,
+                       'infusable' => false,
+               ] );
+
+               $layout->appendContent(
+                       new OOUI\FieldsetLayout( [
+                               'label' => $legend,
+                               'infusable' => false,
+                               'items' => [
+                                       new OOUI\Widget( [
+                                               'content' => new OOUI\HtmlSnippet( $section )
+                                       ] ),
+                               ],
+                       ] + $attributes )
+               );
+               return $layout;
+       }
+
+       /**
+        * Put a form section together from the individual fields' HTML, merging it and wrapping.
+        * @param OOUI\FieldLayout[] $fieldsHtml
+        * @param string $sectionName
+        * @param bool $anyFieldHasLabel Unused
+        * @return string HTML
+        */
+       protected function formatSection( array $fieldsHtml, $sectionName, $anyFieldHasLabel ) {
+               $config = [
+                       'items' => $fieldsHtml,
+               ];
+               if ( $sectionName ) {
+                       $config['id'] = Sanitizer::escapeIdForAttribute( $sectionName );
+               }
+               if ( is_string( $this->mWrapperLegend ) ) {
+                       $config['label'] = $this->mWrapperLegend;
+               }
+               return new OOUI\FieldsetLayout( $config );
+       }
+
+       /**
+        * @param string|array|Status $elements
+        * @param string $elementsType
+        * @return string
+        */
+       public function getErrorsOrWarnings( $elements, $elementsType ) {
+               if ( $elements === '' ) {
+                       return '';
+               }
+
+               if ( !in_array( $elementsType, [ 'error', 'warning' ], true ) ) {
+                       throw new DomainException( $elementsType . ' is not a valid type.' );
+               }
+               $errors = [];
+               if ( $elements instanceof Status ) {
+                       if ( !$elements->isGood() ) {
+                               $errors = $elements->getErrorsByType( $elementsType );
+                               foreach ( $errors as &$error ) {
+                                       // Input:  [ 'message' => 'foo', 'errors' => [ 'a', 'b', 'c' ] ]
+                                       // Output: [ 'foo', 'a', 'b', 'c' ]
+                                       $error = array_merge( [ $error['message'] ], $error['params'] );
+                               }
+                       }
+               } elseif ( $elementsType === 'error' ) {
+                       if ( is_array( $elements ) ) {
+                               $errors = $elements;
+                       } elseif ( is_string( $elements ) ) {
+                               $errors = [ $elements ];
+                       }
+               }
+
+               foreach ( $errors as &$error ) {
+                       $error = $this->getMessage( $error )->parse();
+                       $error = new OOUI\HtmlSnippet( $error );
+               }
+
+               // Used in getBody()
+               if ( $elementsType === 'error' ) {
+                       $this->oouiErrors = $errors;
+               } else {
+                       $this->oouiWarnings = $errors;
+               }
+               return '';
+       }
+
+       public function getHeaderText( $section = null ) {
+               if ( is_null( $section ) ) {
+                       // We handle $this->mHeader elsewhere, in getBody()
+                       return '';
+               } else {
+                       return parent::getHeaderText( $section );
+               }
+       }
+
+       public function getBody() {
+               $fieldset = parent::getBody();
+               // FIXME This only works for forms with no subsections
+               if ( $fieldset instanceof OOUI\FieldsetLayout ) {
+                       $classes = [ 'mw-htmlform-ooui-header' ];
+                       if ( $this->oouiErrors ) {
+                               $classes[] = 'mw-htmlform-ooui-header-errors';
+                       }
+                       if ( $this->oouiWarnings ) {
+                               $classes[] = 'mw-htmlform-ooui-header-warnings';
+                       }
+                       if ( $this->mHeader || $this->oouiErrors || $this->oouiWarnings ) {
+                               // if there's no header, don't create an (empty) LabelWidget, simply use a placeholder
+                               if ( $this->mHeader ) {
+                                       $element = new OOUI\LabelWidget( [ 'label' => new OOUI\HtmlSnippet( $this->mHeader ) ] );
+                               } else {
+                                       $element = new OOUI\Widget( [] );
+                               }
+                               $fieldset->addItems( [
+                                       new OOUI\FieldLayout(
+                                               $element,
+                                               [
+                                                       'align' => 'top',
+                                                       'errors' => $this->oouiErrors,
+                                                       'notices' => $this->oouiWarnings,
+                                                       'classes' => $classes,
+                                               ]
+                                       )
+                               ], 0 );
+                       }
+               }
+               return $fieldset;
+       }
+
+       public function wrapForm( $html ) {
+               $form = new OOUI\FormLayout( $this->getFormAttributes() + [
+                       'classes' => [ 'mw-htmlform', 'mw-htmlform-ooui' ],
+                       'content' => new OOUI\HtmlSnippet( $html ),
+               ] );
+
+               // Include a wrapper for style, if requested.
+               $form = new OOUI\PanelLayout( [
+                       'classes' => [ 'mw-htmlform-ooui-wrapper' ],
+                       'expanded' => false,
+                       'padded' => $this->mWrapperLegend !== false,
+                       'framed' => $this->mWrapperLegend !== false,
+                       'content' => $form,
+               ] );
+
+               return $form;
+       }
+}