includes/htmlform/OOUIHTMLForm.php

   1 <?php
   2
   3 /**
   4  * HTML form generation and submission handling, OOUI style.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  * http://www.gnu.org/copyleft/gpl.html
  20  *
  21  * @file
  22  */
  23
  24 /**
  25  * Compact stacked vertical format for forms, implemented using OOUI widgets.
  26  */
  27 class OOUIHTMLForm extends HTMLForm {
  28         private $oouiErrors;
  29
  30         public function __construct( $descriptor, $context = null, $messagePrefix = '' ) {
  31                 parent::__construct( $descriptor, $context, $messagePrefix );
  32                 $this->getOutput()->enableOOUI();
  33                 $this->getOutput()->addModuleStyles( 'mediawiki.htmlform.ooui.styles' );
  34         }
  35
  36         /**
  37          * Symbolic display format name.
  38          * @var string
  39          */
  40         protected $displayFormat = 'ooui';
  41
  42         public static function loadInputFromParameters( $fieldname, $descriptor,
  43                 HTMLForm $parent = null
  44         ) {
  45                 $field = parent::loadInputFromParameters( $fieldname, $descriptor, $parent );
  46                 $field->setShowEmptyLabel( false );
  47                 return $field;
  48         }
  49
  50         function getButtons() {
  51                 $buttons = '';
  52
  53                 // IE<8 has bugs with <button>, so we'll need to avoid them.
  54                 $isBadIE = preg_match( '/MSIE [1-7]\./i', $this->getRequest()->getHeader( 'User-Agent' ) );
  55
  56                 if ( $this->mShowSubmit ) {
  57                         $attribs = [ 'infusable' => true ];
  58
  59                         if ( isset( $this->mSubmitID ) ) {
  60                                 $attribs['id'] = $this->mSubmitID;
  61                         }
  62
  63                         if ( isset( $this->mSubmitName ) ) {
  64                                 $attribs['name'] = $this->mSubmitName;
  65                         }
  66
  67                         if ( isset( $this->mSubmitTooltip ) ) {
  68                                 $attribs += Linker::tooltipAndAccesskeyAttribs( $this->mSubmitTooltip );
  69                         }
  70
  71                         $attribs['classes'] = [ 'mw-htmlform-submit' ];
  72                         $attribs['type'] = 'submit';
  73                         $attribs['label'] = $this->getSubmitText();
  74                         $attribs['value'] = $this->getSubmitText();
  75                         $attribs['flags'] = $this->mSubmitFlags;
  76                         $attribs['useInputTag'] = $isBadIE;
  77
  78                         $buttons .= new OOUI\ButtonInputWidget( $attribs );
  79                 }
  80
  81                 if ( $this->mShowReset ) {
  82                         $buttons .= new OOUI\ButtonInputWidget( [
  83                                 'type' => 'reset',
  84                                 'label' => $this->msg( 'htmlform-reset' )->text(),
  85                                 'useInputTag' => $isBadIE,
  86                         ] );
  87                 }
  88
  89                 foreach ( $this->mButtons as $button ) {
  90                         $attrs = [];
  91
  92                         if ( $button['attribs'] ) {
  93                                 $attrs += $button['attribs'];
  94                         }
  95
  96                         if ( isset( $button['id'] ) ) {
  97                                 $attrs['id'] = $button['id'];
  98                         }
  99
 100                         if ( $isBadIE ) {
 101                                 $label = $button['value'];
 102                         } elseif ( isset( $button['label-message'] ) ) {
 103                                 $label = new OOUI\HtmlSnippet( $this->getMessage( $button['label-message'] )->parse() );
 104                         } elseif ( isset( $button['label'] ) ) {
 105                                 $label = $button['label'];
 106                         } elseif ( isset( $button['label-raw'] ) ) {
 107                                 $label = new OOUI\HtmlSnippet( $button['label-raw'] );
 108                         } else {
 109                                 $label = $button['value'];
 110                         }
 111
 112                         $attrs['classes'] = isset( $attrs['class'] ) ? (array)$attrs['class'] : [];
 113
 114                         $buttons .= new OOUI\ButtonInputWidget( [
 115                                 'type' => 'submit',
 116                                 'name' => $button['name'],
 117                                 'value' => $button['value'],
 118                                 'label' => $label,
 119                                 'flags' => $button['flags'],
 120                                 'framed' => $button['framed'],
 121                                 'useInputTag' => $isBadIE,
 122                         ] + $attrs );
 123                 }
 124
 125                 if ( !$buttons ) {
 126                         return '';
 127                 }
 128
 129                 return Html::rawElement( 'div',
 130                         [ 'class' => 'mw-htmlform-submit-buttons' ], "\n$buttons" ) . "\n";
 131         }
 132
 133         protected function wrapFieldSetSection( $legend, $section, $attributes ) {
 134                 // to get a user visible effect, wrap the fieldset into a framed panel layout
 135                 $layout = new OOUI\PanelLayout( [
 136                         'expanded' => false,
 137                         'padded' => true,
 138                         'framed' => true,
 139                         'infusable' => false,
 140                 ] );
 141
 142                 $layout->appendContent(
 143                         new OOUI\FieldsetLayout( [
 144                                 'label' => $legend,
 145                                 'infusable' => false,
 146                                 'items' => [
 147                                         new OOUI\Widget( [
 148                                                 'content' => new OOUI\HtmlSnippet( $section )
 149                                         ] ),
 150                                 ],
 151                         ] + $attributes )
 152                 );
 153                 return $layout;
 154         }
 155
 156         /**
 157          * Put a form section together from the individual fields' HTML, merging it and wrapping.
 158          * @param OOUI\FieldLayout[] $fieldsHtml
 159          * @param string $sectionName
 160          * @param bool $anyFieldHasLabel Unused
 161          * @return string HTML
 162          */
 163         protected function formatSection( array $fieldsHtml, $sectionName, $anyFieldHasLabel ) {
 164                 $config = [
 165                         'items' => $fieldsHtml,
 166                 ];
 167                 if ( $sectionName ) {
 168                         $config['id'] = Sanitizer::escapeId( $sectionName );
 169                 }
 170                 if ( is_string( $this->mWrapperLegend ) ) {
 171                         $config['label'] = $this->mWrapperLegend;
 172                 }
 173                 return new OOUI\FieldsetLayout( $config );
 174         }
 175
 176         /**
 177          * @param string|array|Status $err
 178          * @return string
 179          */
 180         function getErrors( $err ) {
 181                 if ( !$err ) {
 182                         $errors = [];
 183                 } elseif ( $err instanceof Status ) {
 184                         if ( $err->isOK() ) {
 185                                 $errors = [];
 186                         } else {
 187                                 $errors = $err->getErrorsByType( 'error' );
 188                                 foreach ( $errors as &$error ) {
 189                                         // Input:  array( 'message' => 'foo', 'errors' => array( 'a', 'b', 'c' ) )
 190                                         // Output: array( 'foo', 'a', 'b', 'c' )
 191                                         $error = array_merge( [ $error['message'] ], $error['params'] );
 192                                 }
 193                         }
 194                 } else {
 195                         $errors = $err;
 196                         if ( !is_array( $errors ) ) {
 197                                 $errors = [ $errors ];
 198                         }
 199                 }
 200
 201                 foreach ( $errors as &$error ) {
 202                         $error = $this->getMessage( $error )->parse();
 203                         $error = new OOUI\HtmlSnippet( $error );
 204                 }
 205
 206                 // Used in getBody()
 207                 $this->oouiErrors = $errors;
 208                 return '';
 209         }
 210
 211         function getHeaderText( $section = null ) {
 212                 if ( is_null( $section ) ) {
 213                         // We handle $this->mHeader elsewhere, in getBody()
 214                         return '';
 215                 } else {
 216                         return parent::getHeaderText( $section );
 217                 }
 218         }
 219
 220         function getBody() {
 221                 $fieldset = parent::getBody();
 222                 // FIXME This only works for forms with no subsections
 223                 if ( $fieldset instanceof OOUI\FieldsetLayout ) {
 224                         $classes = [ 'mw-htmlform-ooui-header' ];
 225                         if ( $this->oouiErrors ) {
 226                                 $classes[] = 'mw-htmlform-ooui-header-errors';
 227                         }
 228                         if ( $this->mHeader || $this->oouiErrors ) {
 229                                 // if there's no header, don't create an (empty) LabelWidget, simply use a placeholder
 230                                 if ( $this->mHeader ) {
 231                                         $element = new OOUI\LabelWidget( [ 'label' => new OOUI\HtmlSnippet( $this->mHeader ) ] );
 232                                 } else {
 233                                         $element = new OOUI\Widget( [] );
 234                                 }
 235                                 $fieldset->addItems( [
 236                                         new OOUI\FieldLayout(
 237                                                 $element,
 238                                                 [
 239                                                         'align' => 'top',
 240                                                         'errors' => $this->oouiErrors,
 241                                                         'classes' => $classes,
 242                                                 ]
 243                                         )
 244                                 ], 0 );
 245                         }
 246                 }
 247                 return $fieldset;
 248         }
 249
 250         function wrapForm( $html ) {
 251                 $form = new OOUI\FormLayout( $this->getFormAttributes() + [
 252                         'classes' => [ 'mw-htmlform-ooui' ],
 253                         'content' => new OOUI\HtmlSnippet( $html ),
 254                 ] );
 255
 256                 // Include a wrapper for style, if requested.
 257                 $form = new OOUI\PanelLayout( [
 258                         'classes' => [ 'mw-htmlform-ooui-wrapper' ],
 259                         'expanded' => false,
 260                         'padded' => $this->mWrapperLegend !== false,
 261                         'framed' => $this->mWrapperLegend !== false,
 262                         'content' => $form,
 263                 ] );
 264
 265                 return $form;
 266         }
 267 }