includes/HTMLForm.php

   1 <?php
   2
   3 class HTMLForm {
   4
   5         static $jsAdded = false;
   6
   7         /* The descriptor is an array of arrays.
   8                 i.e. array(
   9                                         'fieldname' => array( 'section' => 'section/subsection',
  10                                                                                         properties... ),
  11                                         ...
  12                                   )
  13          */
  14
  15          static $typeMappings = array(
  16                 'text' => 'HTMLTextField',
  17                 'select' => 'HTMLSelectField',
  18                 'radio' => 'HTMLRadioField',
  19                 'multiselect' => 'HTMLMultiSelectField',
  20                 'check' => 'HTMLCheckField',
  21                 'toggle' => 'HTMLCheckField',
  22                 'int' => 'HTMLIntField',
  23                 'info' => 'HTMLInfoField',
  24                 'selectorother' => 'HTMLSelectOrOtherField',
  25          );
  26
  27         function __construct( $descriptor, $messagePrefix ) {
  28                 $this->mMessagePrefix = $messagePrefix;
  29
  30                 // Expand out into a tree.
  31                 $loadedDescriptor = array();
  32                 $this->mFlatFields = array();
  33
  34                 foreach( $descriptor as $fieldname => $info ) {
  35                         $section = '';
  36                         if ( isset( $info['section'] ) )
  37                                 $section = $info['section'];
  38
  39                         $info['name'] = $fieldname;
  40
  41                         $field = $this->loadInputFromParameters( $info );
  42                         $field->mParent = $this;
  43
  44                         $setSection =& $loadedDescriptor;
  45                         if ($section) {
  46                                 $sectionParts = explode( '/', $section );
  47
  48                                 while( count($sectionParts) ) {
  49                                         $newName = array_shift( $sectionParts );
  50
  51                                         if ( !isset($setSection[$newName]) ) {
  52                                                 $setSection[$newName] = array();
  53                                         }
  54
  55                                         $setSection =& $setSection[$newName];
  56                                 }
  57                         }
  58
  59                         $setSection[$fieldname] = $field;
  60                         $this->mFlatFields[$fieldname] = $field;
  61                 }
  62
  63                 $this->mFieldTree = $loadedDescriptor;
  64
  65                 $this->mShowReset = true;
  66         }
  67
  68         static function addJS() {
  69                 if (self::$jsAdded) return;
  70
  71                 global $wgOut, $wgStylePath;
  72
  73                 $wgOut->addScriptFile( "$wgStylePath/common/htmlform.js" );
  74         }
  75
  76         static function loadInputFromParameters( $descriptor ) {
  77                 if ( isset( $descriptor['class'] ) ) {
  78                         $class = $descriptor['class'];
  79                 } elseif ( isset( $descriptor['type'] ) ) {
  80                         $class = self::$typeMappings[$descriptor['type']];
  81                         $descriptor['class'] = $class;
  82                 }
  83
  84                 if (!$class) {
  85                         throw new MWException( "Descriptor with no class: ".print_r( $descriptor, true ) );
  86                 }
  87
  88                 $obj = new $class( $descriptor );
  89
  90                 return $obj;
  91         }
  92
  93         function show() {
  94                 $html = '';
  95
  96                 self::addJS();
  97
  98                 // Load data from the request.
  99                 $this->loadData();
 100
 101                 // Try a submission
 102                 global $wgUser, $wgRequest;
 103                 $editToken = $wgRequest->getVal( 'wpEditToken' );
 104
 105                 $result = false;
 106                 if ( $wgUser->matchEditToken( $editToken ) )
 107                         $result = $this->trySubmit();
 108
 109                 if ($result === true)
 110                         return $result;
 111
 112                 // Display form.
 113                 $this->displayForm( $result );
 114         }
 115
 116         /** Return values:
 117           * TRUE == Successful submission
 118           * FALSE == No submission attempted
 119           * Anything else == Error to display.
 120           */
 121         function trySubmit() {
 122                 // Check for validation
 123                 foreach( $this->mFlatFields as $fieldname => $field ) {
 124                         if ( !empty($field->mParams['nodata']) ) continue;
 125                         if ( $field->validate( $this->mFieldData[$fieldname],
 126                                         $this->mFieldData ) !== true ) {
 127                                 return isset($this->mValidationErrorMessage) ?
 128                                                 $this->mValidationErrorMessage : array( 'htmlform-invalid-input' );
 129                         }
 130                 }
 131
 132                 $callback = $this->mSubmitCallback;
 133
 134                 $data = $this->filterDataForSubmit( $this->mFieldData );
 135
 136                 $res = call_user_func( $callback, $data );
 137
 138                 return $res;
 139         }
 140
 141         function setSubmitCallback( $cb ) {
 142                 $this->mSubmitCallback = $cb;
 143         }
 144
 145         function setValidationErrorMessage( $msg ) {
 146                 $this->mValidationErrorMessage = $msg;
 147         }
 148
 149         function displayForm( $submitResult ) {
 150                 global $wgOut;
 151
 152                 if ( $submitResult !== false ) {
 153                         $this->displayErrors( $submitResult );
 154                 }
 155
 156                 $html = $this->getBody();
 157
 158                 // Hidden fields
 159                 $html .= $this->getHiddenFields();
 160
 161                 // Buttons
 162                 $html .= $this->getButtons();
 163
 164                 $html = $this->wrapForm( $html );
 165
 166                 $wgOut->addHTML( $html );
 167         }
 168
 169         function wrapForm( $html ) {
 170                 return Xml::tags( 'form',
 171                                                         array(
 172                                                                 'action' => $this->getTitle()->getFullURL(),
 173                                                                 'method' => 'post',
 174                                                         ),
 175                                                         $html );
 176         }
 177
 178         function getHiddenFields() {
 179                 global $wgUser;
 180                 $html = '';
 181
 182                 $html .= Xml::hidden( 'wpEditToken', $wgUser->editToken() ) . "\n";
 183                 $html .= Xml::hidden( 'title', $this->getTitle() ) . "\n";
 184
 185                 return $html;
 186         }
 187
 188         function getButtons() {
 189                 $html = '';
 190
 191                 $attribs = array();
 192
 193                 if ( isset($this->mSubmitID) )
 194                         $attribs['id'] = $this->mSubmitID;
 195
 196                 $attribs['class'] = 'mw-htmlform-submit';
 197
 198                 $html .= Xml::submitButton( $this->getSubmitText(), $attribs ) . "\n";
 199
 200                 if ($this->mShowReset) {
 201                         $html .= Xml::element( 'input',
 202                                                                         array( 'type' => 'reset',
 203                                                                                         'value' => wfMsg('htmlform-reset')
 204                                                                         ) ) . "\n";
 205                 }
 206
 207                 return $html;
 208         }
 209
 210         function getBody() {
 211                 return $this->displaySection( $this->mFieldTree );
 212         }
 213
 214         function displayErrors( $errors ) {
 215                 if ( is_array( $errors ) ) {
 216                         $errorstr = $this->formatErrors( $errors );
 217                 } else {
 218                         $errorstr = $errors;
 219                 }
 220
 221                 $errorstr = Xml::tags( 'div', array( 'class' => 'error' ), $errorstr );
 222
 223                 global $wgOut;
 224                 $wgOut->addHTML( $errorstr );
 225         }
 226
 227         static function formatErrors( $errors ) {
 228                 $errorstr = '';
 229                 foreach ( $errors as $error ) {
 230                         if (is_array($error)) {
 231                                 $msg = array_shift($error);
 232                         } else {
 233                                 $msg = $error;
 234                                 $error = array();
 235                         }
 236                         $errorstr .= Xml::tags( 'li',
 237                                                                         null,
 238                                                                         wfMsgExt( $msg, array( 'parseinline' ), $error )
 239                                                                         );
 240                 }
 241
 242                 $errorstr = Xml::tags( 'ul', null, $errorstr );
 243
 244                 return $errorstr;
 245         }
 246
 247         function setSubmitText( $t ) {
 248                 $this->mSubmitText = $t;
 249         }
 250
 251         function getSubmitText() {
 252                 return isset($this->mSubmitText) ? $this->mSubmitText : wfMsg('htmlform-submit');
 253         }
 254
 255         function setSubmitID( $t ) {
 256                 $this->mSubmitID = $t;
 257         }
 258
 259         function setMessagePrefix( $p ) {
 260                 $this->mMessagePrefix = $p;
 261         }
 262
 263         function setTitle( $t ) {
 264                 $this->mTitle = $t;
 265         }
 266
 267         function getTitle() {
 268                 return $this->mTitle;
 269         }
 270
 271         function displaySection( $fields ) {
 272                 $tableHtml = '';
 273                 $subsectionHtml = '';
 274                 $hasLeftColumn = false;
 275
 276                 foreach( $fields as $key => $value ) {
 277                         if ( is_object( $value ) ) {
 278                                 $v = empty($value->mParams['nodata'])
 279                                                         ? $this->mFieldData[$key]
 280                                                         : $value->getDefault();
 281                                 $tableHtml .= $value->getTableRow( $v );
 282
 283                                 if ($value->getLabel() != '&nbsp;')
 284                                         $hasLeftColumn = true;
 285                         } elseif ( is_array( $value ) ) {
 286                                 $section = $this->displaySection( $value );
 287                                 $legend = wfMsg( "{$this->mMessagePrefix}-$key" );
 288                                 $subsectionHtml .= Xml::fieldset( $legend, $section ) . "\n";
 289                         }
 290                 }
 291
 292                 $classes = array();
 293                 if (!$hasLeftColumn) // Avoid strange spacing when no labels exist
 294                         $classes[] = 'mw-htmlform-nolabel';
 295                 $classes = implode( ' ', $classes );
 296
 297                 $tableHtml = "<table class='$classes'><tbody>\n$tableHtml\n</tbody></table>\n";
 298
 299                 return $subsectionHtml . "\n" . $tableHtml;
 300         }
 301
 302         function loadData() {
 303                 global $wgRequest;
 304
 305                 $fieldData = array();
 306
 307                 foreach( $this->mFlatFields as $fieldname => $field ) {
 308                         if ( !empty($field->mParams['nodata']) ) continue;
 309                         if ( !empty($field->mParams['disabled']) ) {
 310                                 $fieldData[$fieldname] = $field->getDefault();
 311                         } else {
 312                                 $fieldData[$fieldname] = $field->loadDataFromRequest( $wgRequest );
 313                         }
 314                 }
 315
 316                 // Filter data.
 317                 foreach( $fieldData as $name => &$value ) {
 318                         $field = $this->mFlatFields[$name];
 319                         $value = $field->filter( $value, $this->mFlatFields );
 320                 }
 321
 322                 $this->mFieldData = $fieldData;
 323         }
 324
 325         function importData( $fieldData ) {
 326                 // Filter data.
 327                 foreach( $fieldData as $name => &$value ) {
 328                         $field = $this->mFlatFields[$name];
 329                         $value = $field->filter( $value, $this->mFlatFields );
 330                 }
 331
 332                 foreach( $this->mFlatFields as $fieldname => $field ) {
 333                         if ( !isset($fieldData[$fieldname]) )
 334                                 $fieldData[$fieldname] = $field->getDefault();
 335                 }
 336
 337                 $this->mFieldData = $fieldData;
 338         }
 339
 340         function suppressReset( $suppressReset = true ) {
 341                 $this->mShowReset = !$suppressReset;
 342         }
 343
 344         function filterDataForSubmit( $data ) {
 345                 return $data;
 346         }
 347 }
 348
 349 abstract class HTMLFormField {
 350         abstract function getInputHTML( $value );
 351
 352         function validate( $value, $alldata ) {
 353                 if ( isset($this->mValidationCallback) ) {
 354                         return call_user_func( $this->mValidationCallback, $value, $alldata );
 355                 }
 356
 357                 return true;
 358         }
 359
 360         function filter( $value, $alldata ) {
 361                 if( isset( $this->mFilterCallback ) ) {
 362                         $value = call_user_func( $this->mFilterCallback, $value, $alldata );
 363                 }
 364
 365                 return $value;
 366         }
 367
 368         function loadDataFromRequest( $request ) {
 369                 if ($request->getCheck( $this->mName ) ) {
 370                         return $request->getText( $this->mName );
 371                 } else {
 372                         return $this->getDefault();
 373                 }
 374         }
 375
 376         function __construct( $params ) {
 377                 $this->mParams = $params;
 378
 379                 if (isset( $params['label-message'] ) ) {
 380                         $msgInfo = $params['label-message'];
 381
 382                         if ( is_array( $msgInfo ) ) {
 383                                 $msg = array_shift( $msgInfo );
 384                         } else {
 385                                 $msg = $msgInfo;
 386                                 $msgInfo = array();
 387                         }
 388
 389                         $this->mLabel = wfMsgExt( $msg, 'parseinline', $msgInfo );
 390                 } elseif ( isset($params['label']) ) {
 391                         $this->mLabel = $params['label'];
 392                 }
 393
 394                 if ( isset( $params['name'] ) ) {
 395                         $this->mName = 'wp'.$params['name'];
 396                         $this->mID = 'mw-input-'.$params['name'];
 397                 }
 398
 399                 if ( isset( $params['default'] ) ) {
 400                         $this->mDefault = $params['default'];
 401                 }
 402
 403                 if ( isset( $params['id'] ) ) {
 404                         $this->mID = $params['id'];
 405                 }
 406
 407                 if ( isset( $params['validation-callback'] ) ) {
 408                         $this->mValidationCallback = $params['validation-callback'];
 409                 }
 410
 411                 if ( isset( $params['filter-callback'] ) ) {
 412                         $this->mFilterCallback = $params['filter-callback'];
 413                 }
 414         }
 415
 416         function getTableRow( $value ) {
 417                 // Check for invalid data.
 418                 global $wgRequest;
 419
 420                 $errors = $this->validate( $value, $this->mParent->mFieldData );
 421                 if ( $errors === true || !$wgRequest->wasPosted() ) {
 422                         $errors = '';
 423                 } else {
 424                         $errors = Xml::tags( 'span', array( 'class' => 'error' ), $errors );
 425                 }
 426
 427                 $html = '';
 428
 429                 $html .= Xml::tags( 'td', array( 'class' => 'mw-label' ),
 430                                         Xml::tags( 'label', array( 'for' => $this->mID ), $this->getLabel() )
 431                                 );
 432                 $html .= Xml::tags( 'td', array( 'class' => 'mw-input' ),
 433                                                         $this->getInputHTML( $value ) ."\n$errors" );
 434
 435                 $fieldType = get_class($this);
 436
 437                 $html = Xml::tags( 'tr', array( 'class' => "mw-htmlform-field-$fieldType" ),
 438                                                         $html ) . "\n";
 439
 440                 // Help text
 441                 if ( isset($this->mParams['help-message']) ) {
 442                         $msg = $this->mParams['help-message'];
 443
 444                         $text = wfMsgExt( $msg, 'parseinline' );
 445
 446                         if (!wfEmptyMsg( $msg, $text ) ) {
 447                                 $row = Xml::tags( 'td', array( 'colspan' => 2, 'class' => 'htmlform-tip' ),
 448                                                         $text );
 449
 450                                 $row = Xml::tags( 'tr', null, $row );
 451
 452                                 $html .= "$row\n";
 453                         }
 454                 }
 455
 456                 return $html;
 457         }
 458
 459         function getLabel() {
 460                 return $this->mLabel;
 461         }
 462
 463         function getDefault() {
 464                 if ( isset( $this->mDefault ) ) {
 465                         return $this->mDefault;
 466                 } else {
 467                         return null;
 468                 }
 469         }
 470
 471         static function flattenOptions( $options ) {
 472                 $flatOpts = array();
 473
 474                 foreach( $options as $key => $value ) {
 475                         if ( is_array( $value ) ) {
 476                                 $flatOpts = array_merge( $flatOpts, self::flattenOptions( $value ) );
 477                         } else {
 478                                 $flatOpts[] = $value;
 479                         }
 480                 }
 481
 482                 return $flatOpts;
 483         }
 484 }
 485
 486 class HTMLTextField extends HTMLFormField {
 487
 488         function getSize() {
 489                 return isset($this->mParams['size']) ? $this->mParams['size'] : 45;
 490         }
 491
 492         function getInputHTML( $value ) {
 493                 $attribs = array( 'id' => $this->mID );
 494
 495                 if ( isset($this->mParams['maxlength']) ) {
 496                         $attribs['maxlength'] = $this->mParams['maxlength'];
 497                 }
 498
 499                 if (!empty($this->mParams['disabled'])) {
 500                         $attribs['disabled'] = 'disabled';
 501                 }
 502
 503                 return Xml::input( $this->mName,
 504                                                         $this->getSize(),
 505                                                         $value,
 506                                                         $attribs ) ;
 507         }
 508
 509 }
 510
 511 class HTMLIntField extends HTMLTextField {
 512         function getSize() {
 513                 return isset($this->mParams['size']) ? $this->mParams['size'] : 20;
 514         }
 515
 516         function validate( $value, $alldata ) {
 517                 $p = parent::validate($value, $alldata);
 518
 519                 if ($p !== true) return $p;
 520
 521                 if ( intval($value) != $value ) {
 522                         return wfMsgExt( 'htmlform-int-invalid', 'parse' );
 523                 }
 524
 525                 $in_range = true;
 526
 527                 if ( isset($this->mParams['min']) ) {
 528                         $min = $this->mParams['min'];
 529                         if ( $min > $value )
 530                                 return wfMsgExt( 'htmlform-int-toolow', 'parse', array($min) );
 531                 }
 532
 533                 if ( isset($this->mParams['max']) ) {
 534                         $max = $this->mParams['max'];
 535                         if ($max < $value)
 536                                 return wfMsgExt( 'htmlform-int-toohigh', 'parse', array($max) );
 537                 }
 538
 539                 return true;
 540         }
 541 }
 542
 543 class HTMLCheckField extends HTMLFormField {
 544         function getInputHTML( $value ) {
 545                 if ( !empty( $this->mParams['invert'] ) )
 546                         $value = !$value;
 547
 548                 $attr = array( 'id' => $this->mID );
 549                 if (!empty($this->mParams['disabled'])) {
 550                         $attr['disabled'] = 'disabled';
 551                 }
 552
 553                 return Xml::check( $this->mName, $value, $attr ) . '&nbsp;' .
 554                                 Xml::tags( 'label', array( 'for' => $this->mID ), $this->mLabel );
 555         }
 556
 557         function getLabel( ) {
 558                 return '&nbsp;'; // In the right-hand column.
 559         }
 560
 561         function loadDataFromRequest( $request ) {
 562                 $invert = false;
 563                 if ( isset( $this->mParams['invert'] ) && $this->mParams['invert'] ) {
 564                         $invert = true;
 565                 }
 566
 567                 // GetCheck won't work like we want for checks.
 568                 if ($request->getCheck( 'wpEditToken' ) ) {
 569                         // XOR has the following truth table, which is what we want
 570                         // INVERT VALUE | OUTPUT
 571                         // true   true  | false
 572                         // false  true  | true
 573                         // false  false | false
 574                         // true   false | true
 575                         return $request->getBool( $this->mName ) xor $invert;
 576                 } else {
 577                         return $this->getDefault();
 578                 }
 579         }
 580 }
 581
 582 class HTMLSelectField extends HTMLFormField {
 583
 584         function validate( $value, $alldata ) {
 585                 $p = parent::validate( $value, $alldata );
 586                 if ($p !== true) return $p;
 587
 588                 $validOptions = HTMLFormField::flattenOptions( $this->mParams['options'] );
 589                 if ( in_array( $value, $validOptions ) )
 590                         return true;
 591                 else
 592                         return wfMsgExt( 'htmlform-select-badoption', 'parseinline' );
 593         }
 594
 595         function getInputHTML( $value ) {
 596                 $select = new XmlSelect( $this->mName, $this->mID, $value );
 597
 598                 if (!empty($this->mParams['disabled'])) {
 599                         $select->setAttribute( 'disabled', 'disabled' );
 600                 }
 601
 602                 $select->addOptions( $this->mParams['options'] );
 603
 604                 return $select->getHTML();
 605         }
 606 }
 607
 608 class HTMLSelectOrOtherField extends HTMLTextField {
 609         static $jsAdded = false;
 610
 611         function __construct( $params ) {
 612                 if (! array_key_exists('other', $params['options']) ) {
 613                         $params['options'][wfMsg( 'htmlform-selectorother-other' )] = 'other';
 614                 }
 615
 616                 parent::__construct( $params );
 617         }
 618
 619         function getInputHTML( $value ) {
 620                 $valInSelect = false;
 621
 622                 if ($value !== false)
 623                         $valInSelect = in_array( $value,
 624                                                         HTMLFormField::flattenOptions($this->mParams['options']) );
 625
 626                 $selected = $valInSelect ? $value : 'other';
 627
 628                 $select = new XmlSelect( $this->mName, $this->mID, $selected );
 629                 $select->addOptions( $this->mParams['options'] );
 630
 631                 $select->setAttribute( 'class', 'mw-htmlform-select-or-other' );
 632
 633                 $tbAttribs = array( 'id' => $this->mID.'-other' );
 634                 if (!empty($this->mParams['disabled'])) {
 635                         $select->setAttribute( 'disabled', 'disabled' );
 636                         $tbAttribs['disabled'] = 'disabled';
 637                 }
 638
 639                 $select = $select->getHTML();
 640
 641                 if ( isset($this->mParams['maxlength']) ) {
 642                         $tbAttribs['maxlength'] = $this->mParams['maxlength'];
 643                 }
 644
 645                 $textbox = Xml::input( $this->mName.'-other',
 646                                                         $this->getSize(),
 647                                                         $valInSelect ? '' : $value,
 648                                                         $tbAttribs );
 649
 650                 return "$select<br/>\n$textbox";
 651         }
 652
 653         function loadDataFromRequest( $request ) {
 654                 if ($request->getCheck( $this->mName ) ) {
 655                         $val = $request->getText( $this->mName );
 656
 657                         if ($val == 'other') {
 658                                 $val = $request->getText( $this->mName.'-other' );
 659                         }
 660
 661                         return $val;
 662                 } else {
 663                         return $this->getDefault();
 664                 }
 665         }
 666 }
 667
 668 class HTMLMultiSelectField extends HTMLFormField {
 669         function validate( $value, $alldata ) {
 670                 $p = parent::validate( $value, $alldata );
 671                 if ($p !== true) return $p;
 672
 673                 if (!is_array($value)) return false;
 674
 675                 // If all options are valid, array_intersect of the valid options and the provided
 676                 //  options will return the provided options.
 677                 $validOptions = HTMLFormField::flattenOptions( $this->mParams['options'] );
 678
 679                 $validValues = array_intersect( $value, $validOptions );
 680                 if ( count( $validValues ) == count($value) )
 681                         return true;
 682                 else
 683                         return wfMsgExt( 'htmlform-select-badoption', 'parseinline' );
 684         }
 685
 686         function getInputHTML( $value ) {
 687                 $html = $this->formatOptions( $this->mParams['options'], $value );
 688
 689                 return $html;
 690         }
 691
 692         function formatOptions( $options, $value ) {
 693                 $html = '';
 694
 695                 $attribs = array();
 696                 if ( !empty( $this->mParams['disabled'] ) ) {
 697                         $attribs['disabled'] = 'disabled';
 698                 }
 699
 700                 foreach( $options as $label => $info ) {
 701                         if (is_array($info)) {
 702                                 $html .= Xml::tags( 'h1', null, $label ) . "\n";
 703                                 $html .= $this->formatOptions( $info, $value );
 704                         } else {
 705                                 $thisAttribs = array( 'id' => $this->mID."-$info", 'value' => $info );
 706
 707                                 $checkbox = Xml::check( $this->mName.'[]', in_array( $info, $value ),
 708                                                                 $attribs + $thisAttribs );
 709                                 $checkbox .= '&nbsp;' . Xml::tags( 'label', array( 'for' => $this->mID."-$info" ), $label );
 710
 711                                 $html .= $checkbox . '<br />';
 712                         }
 713                 }
 714
 715                 return $html;
 716         }
 717
 718         function loadDataFromRequest( $request ) {
 719                 // won't work with getCheck
 720                 if ($request->getCheck( 'wpEditToken' ) ) {
 721                         $arr = $request->getArray( $this->mName );
 722
 723                         if (!$arr)
 724                                 $arr = array();
 725
 726                         return $arr;
 727                 } else {
 728                         return $this->getDefault();
 729                 }
 730         }
 731
 732         function getDefault() {
 733                 if ( isset( $this->mDefault ) ) {
 734                         return $this->mDefault;
 735                 } else {
 736                         return array();
 737                 }
 738         }
 739 }
 740
 741 class HTMLRadioField extends HTMLFormField {
 742         function validate( $value, $alldata ) {
 743                 $p = parent::validate( $value, $alldata );
 744                 if ($p !== true) return $p;
 745
 746                 if (!is_string($value) && !is_int($value))
 747                         return false;
 748
 749                 $validOptions = HTMLFormField::flattenOptions( $this->mParams['options'] );
 750
 751                 if ( in_array( $value, $validOptions ) )
 752                         return true;
 753                 else
 754                         return wfMsgExt( 'htmlform-select-badoption', 'parseinline' );
 755         }
 756
 757         function getInputHTML( $value ) {
 758                 $html = $this->formatOptions( $this->mParams['options'], $value );
 759
 760                 return $html;
 761         }
 762
 763         function formatOptions( $options, $value ) {
 764                 $html = '';
 765
 766                 $attribs = array();
 767                 if ( !empty( $this->mParams['disabled'] ) ) {
 768                         $attribs['disabled'] = 'disabled';
 769                 }
 770
 771                 foreach( $options as $label => $info ) {
 772                         if (is_array($info)) {
 773                                 $html .= Xml::tags( 'h1', null, $label ) . "\n";
 774                                 $html .= $this->formatOptions( $info, $value );
 775                         } else {
 776                                 $html .= Xml::radio( $this->mName, $info, $info == $value,
 777                                                                                 $attribs + array( 'id' => $this->mID."-$info" ) );
 778                                 $html .= '&nbsp;' .
 779                                                 Xml::tags( 'label', array( 'for' => $this->mID."-$info" ), $label );
 780
 781                                 $html .= "<br/>\n";
 782                         }
 783                 }
 784
 785                 return $html;
 786         }
 787 }
 788
 789 class HTMLInfoField extends HTMLFormField {
 790         function __construct( $info ) {
 791                 $info['nodata'] = true;
 792
 793                 parent::__construct($info);
 794         }
 795
 796         function getInputHTML( $value ) {
 797                 return !empty($this->mParams['raw']) ? $value : htmlspecialchars($value);
 798         }
 799
 800         function getTableRow( $value ) {
 801                 if ( !empty($this->mParams['rawrow']) ) {
 802                         return $value;
 803                 }
 804
 805                 return parent::getTableRow( $value );
 806         }
 807 }