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<?php
namespace MediaWiki\Widget;
use OOUI\CheckboxInputWidget;
use OOUI\FieldLayout;
use OOUI\HtmlSnippet;
use OOUI\Tag;
use OOUI\Widget;
/**
* Check matrix widget. Displays a matrix of checkboxes for given options
*
* @copyright 2018 MediaWiki Widgets Team and others; see AUTHORS.txt
* @license MIT
*/
class CheckMatrixWidget extends Widget {
/** @var string|null */
protected $name;
/** @var string|null */
protected $id;
/** @var array */
protected $columns;
/** @var array */
protected $rows;
/** @var array */
protected $tooltips;
/** @var array */
protected $tooltipsHtml;
/** @var array */
protected $values;
/** @var array */
protected $forcedOn;
/** @var array */
protected $forcedOff;
/**
* Operates similarly to MultiSelectWidget, 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"
*
* @param array $config Configuration array with the following options:
* - columns
* - Required associative array mapping column labels (as HTML) to their tags.
* - rows
* - Required associative array mapping row labels (as HTML) to their tags.
* - force-options-on
* - Array of column-row tags to be displayed as enabled but unavailable to change.
* - force-options-off
* - Array of column-row tags to be displayed as disabled but unavailable to change.
* - tooltips
* - Optional associative array mapping row labels to tooltips (as text, will be escaped).
* - tooltips-html
* - Optional associative array mapping row labels to tooltips (as HTML). Takes precedence
* over text tooltips.
*/
public function __construct( array $config = [] ) {
// Configuration initialization
parent::__construct( $config );
$this->name = $config['name'] ?? null;
$this->id = $config['id'] ?? null;
// Properties
$this->rows = $config['rows'] ?? [];
$this->columns = $config['columns'] ?? [];
$this->tooltips = $config['tooltips'] ?? [];
$this->tooltipsHtml = $config['tooltips-html'] ?? [];
$this->values = $config['values'] ?? [];
$this->forcedOn = $config['forcedOn'] ?? [];
$this->forcedOff = $config['forcedOff'] ?? [];
// Build the table
$table = new Tag( 'table' );
$table->addClasses( [ 'mw-htmlform-matrix mw-widget-checkMatrixWidget-matrix' ] );
$thead = new Tag( 'thead' );
$table->appendContent( $thead );
$tr = new Tag( 'tr' );
// Build the header
$tr->appendContent( $this->getCellTag( "\u{00A0}" ) );
foreach ( $this->columns as $columnLabel => $columnTag ) {
$tr->appendContent(
$this->getCellTag( new HtmlSnippet( $columnLabel ), 'th' )
);
}
$thead->appendContent( $tr );
// Build the options matrix
$tbody = new Tag( 'tbody' );
$table->appendContent( $tbody );
foreach ( $this->rows as $rowLabel => $rowTag ) {
$tbody->appendContent(
$this->getTableRow( $rowLabel, $rowTag )
);
}
// Initialization
$this->addClasses( [ 'mw-widget-checkMatrixWidget' ] );
$this->appendContent( $table );
}
/**
* Get a formatted table row for the option, with
* a checkbox widget.
*
* @param string $label Row label (as HTML)
* @param string $tag Row tag name
*
* @return Tag The resulting table row
*/
private function getTableRow( $label, $tag ) {
$row = new Tag( 'tr' );
$tooltip = $this->getTooltip( $label );
$labelFieldConfig = $tooltip ? [ 'help' => $tooltip ] : [];
// Build label cell
$labelField = new FieldLayout(
new Widget(), // Empty widget, since we don't have the checkboxes here
[
'label' => new HtmlSnippet( $label ),
'align' => 'inline',
] + $labelFieldConfig
);
$row->appendContent( $this->getCellTag( $labelField ) );
// Build checkbox column cells
foreach ( $this->columns as $columnTag ) {
$thisTag = "$columnTag-$tag";
// Construct a checkbox
$checkbox = new CheckboxInputWidget( [
'value' => $thisTag,
'name' => $this->name ? "{$this->name}[]" : null,
'id' => $this->id ? "{$this->id}-$thisTag" : null,
'selected' => $this->isTagChecked( $thisTag ),
'disabled' => $this->isTagDisabled( $thisTag ),
] );
$row->appendContent( $this->getCellTag( $checkbox ) );
}
return $row;
}
/**
* Get an individual cell tag with requested content
*
* @param mixed $content Content for the <td> cell
* @param string $tagElement
* @return Tag Resulting cell
*/
private function getCellTag( $content, $tagElement = 'td' ) {
$cell = new Tag( $tagElement );
$cell->appendContent( $content );
return $cell;
}
/**
* Check whether the given tag's checkbox should
* be checked
*
* @param string $tagName
* @return bool Tag should be checked
*/
private function isTagChecked( $tagName ) {
// If the tag is in the value list
return in_array( $tagName, (array)$this->values, true ) ||
// Or if the tag is forced on
in_array( $tagName, (array)$this->forcedOn, true );
}
/**
* Check whether the given tag's checkbox should
* be disabled
*
* @param string $tagName
* @return bool Tag should be disabled
*/
private function isTagDisabled( $tagName ) {
return (
// If the entire widget is disabled
$this->isDisabled() ||
// If the tag is 'forced on' or 'forced off'
in_array( $tagName, (array)$this->forcedOn, true ) ||
in_array( $tagName, (array)$this->forcedOff, true )
);
}
/**
* Get the tooltip help associated with this row
*
* @param string $label Label name
*
* @return string Tooltip. Null if none is available.
*/
private function getTooltip( $label ) {
if ( isset( $this->tooltipsHtml[ $label ] ) ) {
return new HtmlSnippet( $this->tooltipsHtml[ $label ] );
} else {
return $this->tooltips[ $label ] ?? null;
}
}
/** @inheritDoc */
protected function getJavaScriptClassName() {
return 'mw.widgets.CheckMatrixWidget';
}
/** @inheritDoc */
public function getConfig( &$config ) {
$config += [
'name' => $this->name,
'id' => $this->id,
'rows' => $this->rows,
'columns' => $this->columns,
'tooltips' => $this->tooltips,
'tooltipsHtml' => $this->tooltipsHtml,
'forcedOff' => $this->forcedOff,
'forcedOn' => $this->forcedOn,
'values' => $this->values,
];
return parent::getConfig( $config );
}
}