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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' ) );
$elementFunc = array( 'Html', $this->mOptionsLabelsNotFromMessage ? 'rawElement' : 'element' );
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 );
// @todo: Make this use checkLabel for consistency purposes
$checkbox = Xml::check(
$this->mName . '[]',
in_array( $info, $value, true ),
$attribs + $thisAttribs
);
$checkbox .= ' ' . call_user_func( $elementFunc,
'label',
array( 'for' => "{$this->mID}-$info" ),
$label
);
if ( $this->mParent->getConfig()->get( 'UseMediaWikiUIEverywhere' ) ) {
$checkbox = Html::rawElement(
'div',
array( 'class' => 'mw-ui-checkbox' ),
$checkbox
);
}
$html .= ' ' . Html::rawElement(
'div',
array( 'class' => 'mw-htmlform-flatlist-item' ),
$checkbox
);
}
}
return $html;
}
/**
* @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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