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<?php
/**
* A checkbox matrix
* Operates similarly to HTMLMultiSelectField, but instead of using an array of
* options, uses an array of rows and an array of columns to dynamically
* construct a matrix of options. The tags used to identify a particular cell
* are of the form "columnName-rowName"
*
* Options:
* - columns
* - Required list of columns in the matrix.
* - rows
* - Required list of rows in the matrix.
* - force-options-on
* - Accepts array of column-row tags to be displayed as enabled but unavailable to change
* - force-options-off
* - Accepts array of column-row tags to be displayed as disabled but unavailable to change.
* - tooltips
* - Optional array mapping row label to tooltip content
* - tooltip-class
* - Optional CSS class used on tooltip container span. Defaults to mw-icon-question.
*/
class HTMLCheckMatrix extends HTMLFormField implements HTMLNestedFilterable {
static private $requiredParams = [
// Required by underlying HTMLFormField
'fieldname',
// Required by HTMLCheckMatrix
'rows',
'columns'
];
public function __construct( $params ) {
$missing = array_diff( self::$requiredParams, array_keys( $params ) );
if ( $missing ) {
throw new HTMLFormFieldRequiredOptionsException( $this, $missing );
}
parent::__construct( $params );
}
function validate( $value, $alldata ) {
$rows = $this->mParams['rows'];
$columns = $this->mParams['columns'];
// Make sure user-defined validation callback is run
$p = parent::validate( $value, $alldata );
if ( $p !== true ) {
return $p;
}
// Make sure submitted value is an array
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 = [];
foreach ( $rows as $rowTag ) {
foreach ( $columns as $columnTag ) {
$validOptions[] = $columnTag . '-' . $rowTag;
}
}
$validValues = array_intersect( $value, $validOptions );
if ( count( $validValues ) == count( $value ) ) {
return true;
} else {
return $this->msg( 'htmlform-select-badoption' )->parse();
}
}
/**
* Build a table containing a matrix of checkbox options.
* The value of each option is a combination of the row tag and column tag.
* mParams['rows'] is an array with row labels as keys and row tags as values.
* mParams['columns'] is an array with column labels as keys and column tags as values.
*
* @param array $value Array of the options that should be checked
*
* @return string
*/
function getInputHTML( $value ) {
$html = '';
$tableContents = '';
$rows = $this->mParams['rows'];
$columns = $this->mParams['columns'];
$attribs = $this->getAttributes( [ 'disabled', 'tabindex' ] );
// Build the column headers
$headerContents = Html::rawElement( 'td', [], ' ' );
foreach ( $columns as $columnLabel => $columnTag ) {
$headerContents .= Html::rawElement( 'td', [], $columnLabel );
}
$tableContents .= Html::rawElement( 'tr', [], "\n$headerContents\n" );
$tooltipClass = 'mw-icon-question';
if ( isset( $this->mParams['tooltip-class'] ) ) {
$tooltipClass = $this->mParams['tooltip-class'];
}
// Build the options matrix
foreach ( $rows as $rowLabel => $rowTag ) {
// Append tooltip if configured
if ( isset( $this->mParams['tooltips'][$rowLabel] ) ) {
$tooltipAttribs = [
'class' => "mw-htmlform-tooltip $tooltipClass",
'title' => $this->mParams['tooltips'][$rowLabel],
];
$rowLabel .= ' ' . Html::element( 'span', $tooltipAttribs, '' );
}
$rowContents = Html::rawElement( 'td', [], $rowLabel );
foreach ( $columns as $columnTag ) {
$thisTag = "$columnTag-$rowTag";
// Construct the checkbox
$thisAttribs = [
'id' => "{$this->mID}-$thisTag",
'value' => $thisTag,
];
$checked = in_array( $thisTag, (array)$value, true );
if ( $this->isTagForcedOff( $thisTag ) ) {
$checked = false;
$thisAttribs['disabled'] = 1;
} elseif ( $this->isTagForcedOn( $thisTag ) ) {
$checked = true;
$thisAttribs['disabled'] = 1;
}
$checkbox = $this->getOneCheckbox( $checked, $attribs + $thisAttribs );
$rowContents .= Html::rawElement(
'td',
[],
$checkbox
);
}
$tableContents .= Html::rawElement( 'tr', [], "\n$rowContents\n" );
}
// Put it all in a table
$html .= Html::rawElement( 'table',
[ 'class' => 'mw-htmlform-matrix' ],
Html::rawElement( 'tbody', [], "\n$tableContents\n" ) ) . "\n";
return $html;
}
protected function getOneCheckbox( $checked, $attribs ) {
if ( $this->mParent instanceof OOUIHTMLForm ) {
return new OOUI\CheckboxInputWidget( [
'name' => "{$this->mName}[]",
'selected' => $checked,
] + OOUI\Element::configFromHtmlAttributes(
$attribs
) );
} else {
$checkbox = Xml::check( "{$this->mName}[]", $checked, $attribs );
if ( $this->mParent->getConfig()->get( 'UseMediaWikiUIEverywhere' ) ) {
$checkbox = Html::openElement( 'div', [ 'class' => 'mw-ui-checkbox' ] ) .
$checkbox .
Html::element( 'label', [ 'for' => $attribs['id'] ] ) .
Html::closeElement( 'div' );
}
return $checkbox;
}
}
protected function isTagForcedOff( $tag ) {
return isset( $this->mParams['force-options-off'] )
&& in_array( $tag, $this->mParams['force-options-off'] );
}
protected function isTagForcedOn( $tag ) {
return isset( $this->mParams['force-options-on'] )
&& in_array( $tag, $this->mParams['force-options-on'] );
}
/**
* Get the complete table row for the input, including help text,
* labels, and whatever.
* We override this function since the label should always be on a separate
* line above the options in the case of a checkbox matrix, i.e. it's always
* a "vertical-label".
*
* @param string $value The value to set the input to
*
* @return string Complete HTML table row
*/
function getTableRow( $value ) {
list( $errors, $errorClass ) = $this->getErrorsAndErrorClass( $value );
$inputHtml = $this->getInputHTML( $value );
$fieldType = get_class( $this );
$helptext = $this->getHelpTextHtmlTable( $this->getHelpText() );
$cellAttributes = [ 'colspan' => 2 ];
$hideClass = '';
$hideAttributes = [];
if ( $this->mHideIf ) {
$hideAttributes['data-hide-if'] = FormatJson::encode( $this->mHideIf );
$hideClass = 'mw-htmlform-hide-if';
}
$label = $this->getLabelHtml( $cellAttributes );
$field = Html::rawElement(
'td',
[ 'class' => 'mw-input' ] + $cellAttributes,
$inputHtml . "\n$errors"
);
$html = Html::rawElement( 'tr',
[ 'class' => "mw-htmlform-vertical-label $hideClass" ] + $hideAttributes,
$label );
$html .= Html::rawElement( 'tr',
[ 'class' => "mw-htmlform-field-$fieldType {$this->mClass} $errorClass $hideClass" ] +
$hideAttributes,
$field );
return $html . $helptext;
}
/**
* @param WebRequest $request
*
* @return array
*/
function loadDataFromRequest( $request ) {
if ( $this->mParent->getMethod() == 'post' ) {
if ( $request->wasPosted() ) {
// Checkboxes are 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, [] );
} 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.
return $request->getArray( $this->mName, [] );
}
}
function getDefault() {
if ( isset( $this->mDefault ) ) {
return $this->mDefault;
} else {
return [];
}
}
function filterDataForSubmit( $data ) {
$columns = HTMLFormField::flattenOptions( $this->mParams['columns'] );
$rows = HTMLFormField::flattenOptions( $this->mParams['rows'] );
$res = [];
foreach ( $columns as $column ) {
foreach ( $rows as $row ) {
// Make sure option hasn't been forced
$thisTag = "$column-$row";
if ( $this->isTagForcedOff( $thisTag ) ) {
$res[$thisTag] = false;
} elseif ( $this->isTagForcedOn( $thisTag ) ) {
$res[$thisTag] = true;
} else {
$res[$thisTag] = in_array( $thisTag, $data );
}
}
}
return $res;
}
}