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<?php
/**
* Multi-select field
*/
class HTMLMultiSelectField extends HTMLFormField implements HTMLNestedFilterable {
function validate( $value, $alldata ) {
$p = parent::validate( $value, $alldata );
if ( $p !== true ) {
return $p;
}
if ( !is_array( $value ) ) {
return false;
}
# If all options are valid, array_intersect of the valid options
# and the provided options will return the provided options.
$validOptions = HTMLFormField::flattenOptions( $this->getOptions() );
$validValues = array_intersect( $value, $validOptions );
if ( count( $validValues ) == count( $value ) ) {
return true;
} else {
return $this->msg( 'htmlform-select-badoption' )->parse();
}
}
function getInputHTML( $value ) {
$value = HTMLFormField::forceToStringRecursive( $value );
$html = $this->formatOptions( $this->getOptions(), $value );
return $html;
}
function formatOptions( $options, $value ) {
$html = '';
$attribs = $this->getAttributes( array( 'disabled', 'tabindex' ) );
foreach ( $options as $label => $info ) {
if ( is_array( $info ) ) {
$html .= Html::rawElement( 'h1', array(), $label ) . "\n";
$html .= $this->formatOptions( $info, $value );
} else {
$thisAttribs = array(
'id' => "{$this->mID}-$info",
'value' => $info,
);
$checked = in_array( $info, $value, true );
$checkbox = $this->getOneCheckbox( $checked, $attribs + $thisAttribs, $label );
$html .= ' ' . Html::rawElement(
'div',
array( 'class' => 'mw-htmlform-flatlist-item' ),
$checkbox
);
}
}
return $html;
}
protected function getOneCheckbox( $checked, $attribs, $label ) {
if ( $this->mParent instanceof OOUIHTMLForm ) {
if ( $this->mOptionsLabelsNotFromMessage ) {
$label = new OOUI\HtmlSnippet( $label );
}
return new OOUI\FieldLayout(
new OOUI\CheckboxInputWidget( array(
'name' => "{$this->mName}[]",
'selected' => $checked,
'value' => $attribs['value'],
) + $attribs ),
array(
'label' => $label,
'align' => 'inline',
)
);
} else {
$elementFunc = array( 'Html', $this->mOptionsLabelsNotFromMessage ? 'rawElement' : 'element' );
$checkbox =
Xml::check( "{$this->mName}[]", $checked, $attribs ) .
' ' .
call_user_func( $elementFunc,
'label',
array( 'for' => $attribs['id'] ),
$label
);
if ( $this->mParent->getConfig()->get( 'UseMediaWikiUIEverywhere' ) ) {
$checkbox = Html::openElement( 'div', array( 'class' => 'mw-ui-checkbox' ) ) .
$checkbox .
Html::closeElement( 'div' );
}
return $checkbox;
}
}
/**
* @param WebRequest $request
*
* @return string
*/
function loadDataFromRequest( $request ) {
if ( $this->mParent->getMethod() == 'post' ) {
if ( $request->wasPosted() ) {
# Checkboxes are just not added to the request arrays if they're not checked,
# so it's perfectly possible for there not to be an entry at all
return $request->getArray( $this->mName, array() );
} else {
# That's ok, the user has not yet submitted the form, so show the defaults
return $this->getDefault();
}
} else {
# This is the impossible case: if we look at $_GET and see no data for our
# field, is it because the user has not yet submitted the form, or that they
# have submitted it with all the options unchecked? We will have to assume the
# latter, which basically means that you can't specify 'positive' defaults
# for GET forms.
# @todo FIXME...
return $request->getArray( $this->mName, array() );
}
}
function getDefault() {
if ( isset( $this->mDefault ) ) {
return $this->mDefault;
} else {
return array();
}
}
function filterDataForSubmit( $data ) {
$data = HTMLFormField::forceToStringRecursive( $data );
$options = HTMLFormField::flattenOptions( $this->getOptions() );
$res = array();
foreach ( $options as $opt ) {
$res["$opt"] = in_array( $opt, $data, true );
}
return $res;
}
protected function needsLabel() {
return false;
}
}
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