includes/htmlform/HTMLSelectAndOtherField.php

   1 <?php
   2
   3 /**
   4  * Double field with a dropdown list constructed from a system message in the format
   5  *     * Optgroup header
   6  *     ** <option value>
   7  *     * New Optgroup header
   8  * Plus a text field underneath for an additional reason.  The 'value' of the field is
   9  * "<select>: <extra reason>", or "<extra reason>" if nothing has been selected in the
  10  * select dropdown.
  11  * @todo FIXME: If made 'required', only the text field should be compulsory.
  12  */
  13 class HTMLSelectAndOtherField extends HTMLSelectField {
  14         function __construct( $params ) {
  15                 if ( array_key_exists( 'other', $params ) ) {
  16                         // Do nothing
  17                 } elseif ( array_key_exists( 'other-message', $params ) ) {
  18                         $params['other'] = wfMessage( $params['other-message'] )->plain();
  19                 } else {
  20                         $params['other'] = wfMessage( 'htmlform-selectorother-other' )->plain();
  21                 }
  22
  23                 parent::__construct( $params );
  24
  25                 if ( $this->getOptions() === null ) {
  26                         // Sulk
  27                         throw new MWException( 'HTMLSelectAndOtherField called without any options' );
  28                 }
  29                 if ( !in_array( 'other', $this->mOptions, true ) ) {
  30                         // Have 'other' always as first element
  31                         $this->mOptions = array( $params['other'] => 'other' ) + $this->mOptions;
  32                 }
  33                 $this->mFlatOptions = self::flattenOptions( $this->getOptions() );
  34
  35         }
  36
  37         function getInputHTML( $value ) {
  38                 $select = parent::getInputHTML( $value[1] );
  39
  40                 $textAttribs = array(
  41                         'id' => $this->mID . '-other',
  42                         'size' => $this->getSize(),
  43                         'class' => array( 'mw-htmlform-select-and-other-field' ),
  44                         'data-id-select' => $this->mID,
  45                 );
  46
  47                 if ( $this->mClass !== '' ) {
  48                         $textAttribs['class'][] = $this->mClass;
  49                 }
  50
  51                 $allowedParams = array(
  52                         'required',
  53                         'autofocus',
  54                         'multiple',
  55                         'disabled',
  56                         'tabindex',
  57                         'maxlength', // gets dynamic with javascript, see mediawiki.htmlform.js
  58                 );
  59
  60                 $textAttribs += $this->getAttributes( $allowedParams );
  61
  62                 $textbox = Html::input( $this->mName . '-other', $value[2], 'text', $textAttribs );
  63
  64                 return "$select<br />\n$textbox";
  65         }
  66
  67         /**
  68          * @param WebRequest $request
  69          *
  70          * @return array("<overall message>","<select value>","<text field value>")
  71          */
  72         function loadDataFromRequest( $request ) {
  73                 if ( $request->getCheck( $this->mName ) ) {
  74
  75                         $list = $request->getText( $this->mName );
  76                         $text = $request->getText( $this->mName . '-other' );
  77
  78                         // Should be built the same as in mediawiki.htmlform.js
  79                         if ( $list == 'other' ) {
  80                                 $final = $text;
  81                         } elseif ( !in_array( $list, $this->mFlatOptions, true ) ) {
  82                                 # User has spoofed the select form to give an option which wasn't
  83                                 # in the original offer.  Sulk...
  84                                 $final = $text;
  85                         } elseif ( $text == '' ) {
  86                                 $final = $list;
  87                         } else {
  88                                 $final = $list . $this->msg( 'colon-separator' )->inContentLanguage()->text() . $text;
  89                         }
  90                 } else {
  91                         $final = $this->getDefault();
  92
  93                         $list = 'other';
  94                         $text = $final;
  95                         foreach ( $this->mFlatOptions as $option ) {
  96                                 $match = $option . $this->msg( 'colon-separator' )->inContentLanguage()->text();
  97                                 if ( strpos( $text, $match ) === 0 ) {
  98                                         $list = $option;
  99                                         $text = substr( $text, strlen( $match ) );
 100                                         break;
 101                                 }
 102                         }
 103                 }
 104
 105                 return array( $final, $list, $text );
 106         }
 107
 108         function getSize() {
 109                 return isset( $this->mParams['size'] ) ? $this->mParams['size'] : 45;
 110         }
 111
 112         function validate( $value, $alldata ) {
 113                 # HTMLSelectField forces $value to be one of the options in the select
 114                 # field, which is not useful here.  But we do want the validation further up
 115                 # the chain
 116                 $p = parent::validate( $value[1], $alldata );
 117
 118                 if ( $p !== true ) {
 119                         return $p;
 120                 }
 121
 122                 if ( isset( $this->mParams['required'] )
 123                         && $this->mParams['required'] !== false
 124                         && $value[1] === ''
 125                 ) {
 126                         return $this->msg( 'htmlform-required' )->parse();
 127                 }
 128
 129                 return true;
 130         }
 131 }