includes/htmlform/HTMLMultiSelectField.php

   1 <?php
   2
   3 /**
   4  * Multi-select field
   5  */
   6 class HTMLMultiSelectField extends HTMLFormField implements HTMLNestedFilterable {
   7         function validate( $value, $alldata ) {
   8                 $p = parent::validate( $value, $alldata );
   9
  10                 if ( $p !== true ) {
  11                         return $p;
  12                 }
  13
  14                 if ( !is_array( $value ) ) {
  15                         return false;
  16                 }
  17
  18                 # If all options are valid, array_intersect of the valid options
  19                 # and the provided options will return the provided options.
  20                 $validOptions = HTMLFormField::flattenOptions( $this->getOptions() );
  21
  22                 $validValues = array_intersect( $value, $validOptions );
  23                 if ( count( $validValues ) == count( $value ) ) {
  24                         return true;
  25                 } else {
  26                         return $this->msg( 'htmlform-select-badoption' )->parse();
  27                 }
  28         }
  29
  30         function getInputHTML( $value ) {
  31                 $value = HTMLFormField::forceToStringRecursive( $value );
  32                 $html = $this->formatOptions( $this->getOptions(), $value );
  33
  34                 return $html;
  35         }
  36
  37         function formatOptions( $options, $value ) {
  38                 $html = '';
  39
  40                 $attribs = $this->getAttributes( array( 'disabled', 'tabindex' ) );
  41
  42                 foreach ( $options as $label => $info ) {
  43                         if ( is_array( $info ) ) {
  44                                 $html .= Html::rawElement( 'h1', array(), $label ) . "\n";
  45                                 $html .= $this->formatOptions( $info, $value );
  46                         } else {
  47                                 $thisAttribs = array(
  48                                         'id' => "{$this->mID}-$info",
  49                                         'value' => $info,
  50                                 );
  51                                 $checked = in_array( $info, $value, true );
  52
  53                                 $checkbox = $this->getOneCheckbox( $checked, $attribs + $thisAttribs, $label );
  54
  55                                 $html .= ' ' . Html::rawElement(
  56                                         'div',
  57                                         array( 'class' => 'mw-htmlform-flatlist-item' ),
  58                                         $checkbox
  59                                 );
  60                         }
  61                 }
  62
  63                 return $html;
  64         }
  65
  66         protected function getOneCheckbox( $checked, $attribs, $label ) {
  67                 if ( $this->mParent instanceof OOUIHTMLForm ) {
  68                         if ( $this->mOptionsLabelsNotFromMessage ) {
  69                                 $label = new OOUI\HtmlSnippet( $label );
  70                         }
  71                         return new OOUI\FieldLayout(
  72                                 new OOUI\CheckboxInputWidget( array(
  73                                         'name' => "{$this->mName}[]",
  74                                         'selected' => $checked,
  75                                         'value' => $attribs['value'],
  76                                 ) + $attribs ),
  77                                 array(
  78                                         'label' => $label,
  79                                         'align' => 'inline',
  80                                 )
  81                         );
  82                 } else {
  83                         $elementFunc = array( 'Html', $this->mOptionsLabelsNotFromMessage ? 'rawElement' : 'element' );
  84                         $checkbox =
  85                                 Xml::check( "{$this->mName}[]", $checked, $attribs ) .
  86                                 '&#160;' .
  87                                 call_user_func( $elementFunc,
  88                                         'label',
  89                                         array( 'for' => $attribs['id'] ),
  90                                         $label
  91                                 );
  92                         if ( $this->mParent->getConfig()->get( 'UseMediaWikiUIEverywhere' ) ) {
  93                                 $checkbox = Html::openElement( 'div', array( 'class' => 'mw-ui-checkbox' ) ) .
  94                                         $checkbox .
  95                                         Html::closeElement( 'div' );
  96                         }
  97                         return $checkbox;
  98                 }
  99         }
 100
 101         /**
 102          * @param WebRequest $request
 103          *
 104          * @return string
 105          */
 106         function loadDataFromRequest( $request ) {
 107                 if ( $this->mParent->getMethod() == 'post' ) {
 108                         if ( $request->wasPosted() ) {
 109                                 # Checkboxes are just not added to the request arrays if they're not checked,
 110                                 # so it's perfectly possible for there not to be an entry at all
 111                                 return $request->getArray( $this->mName, array() );
 112                         } else {
 113                                 # That's ok, the user has not yet submitted the form, so show the defaults
 114                                 return $this->getDefault();
 115                         }
 116                 } else {
 117                         # This is the impossible case: if we look at $_GET and see no data for our
 118                         # field, is it because the user has not yet submitted the form, or that they
 119                         # have submitted it with all the options unchecked? We will have to assume the
 120                         # latter, which basically means that you can't specify 'positive' defaults
 121                         # for GET forms.
 122                         # @todo FIXME...
 123                         return $request->getArray( $this->mName, array() );
 124                 }
 125         }
 126
 127         function getDefault() {
 128                 if ( isset( $this->mDefault ) ) {
 129                         return $this->mDefault;
 130                 } else {
 131                         return array();
 132                 }
 133         }
 134
 135         function filterDataForSubmit( $data ) {
 136                 $data = HTMLFormField::forceToStringRecursive( $data );
 137                 $options = HTMLFormField::flattenOptions( $this->getOptions() );
 138
 139                 $res = array();
 140                 foreach ( $options as $opt ) {
 141                         $res["$opt"] = in_array( $opt, $data, true );
 142                 }
 143
 144                 return $res;
 145         }
 146
 147         protected function needsLabel() {
 148                 return false;
 149         }
 150 }