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<?php
namespace MediaWiki\Widget;
use DateTime;
use OOUI\TextInputWidget;
/**
* Date input widget.
*
* @since 1.29
* @copyright 2016 MediaWiki Widgets Team and others; see AUTHORS.txt
* @license MIT
*/
class DateInputWidget extends TextInputWidget {
/** @var string|null */
protected $inputFormat = null;
/** @var string|null */
protected $displayFormat = null;
/** @var string|null|false */
protected $longDisplayFormat = null;
/** @var string|null */
protected $placeholderLabel = null;
/** @var string|null */
protected $placeholderDateFormat = null;
/** @var string|null */
protected $precision = null;
/** @var string|null */
protected $mustBeAfter = null;
/** @var string|null */
protected $mustBeBefore = null;
/**
* @param array $config Configuration options
* - string $config['inputFormat'] Date format string to use for the textual input field.
* Displayed while the widget is active, and the user can type in a date in this format.
* Should be short and easy to type. (default: 'YYYY-MM-DD' or 'YYYY-MM', depending on
* `precision`)
* - string $config['displayFormat'] Date format string to use for the clickable label.
* while the widget is inactive. Should be as unambiguous as possible (for example, prefer
* to spell out the month, rather than rely on the order), even if that makes it longer.
* Applicable only if the widget is infused. (default: language-specific)
* - string $config['longDisplayFormat'] If a custom displayFormat is not specified, use
* unabbreviated day of the week and month names in the default language-specific
* displayFormat. (default: false)
* - string $config['placeholderLabel'] Placeholder text shown when the widget is not
* selected. Applicable only if the widget is infused. (default: taken from message
* `mw-widgets-dateinput-no-date`)
* - string $config['placeholderDateFormat'] User-visible date format string displayed
* in the textual input field when it's empty. Should be the same as `inputFormat`, but
* translated to the user's language. (default: 'YYYY-MM-DD' or 'YYYY-MM', depending on
* `precision`)
* - string $config['precision'] Date precision to use, 'day' or 'month' (default: 'day')
* - string $config['min'] Validates the date to be no earlier than this.
* In the 'YYYY-MM-DD' or 'YYYY-MM' format, depending on `precision`.
* - string $config['mustBeAfter'] Validates the date to be after this. Overrides 'min'.
* In the 'YYYY-MM-DD' or 'YYYY-MM' format, depending on `precision`.
* - string $config['max'] Validates the date to be no later than this.
* In the 'YYYY-MM-DD' or 'YYYY-MM' format, depending on `precision`.
* - string $config['mustBeBefore'] Validates the date to be before this. Overrides 'max'.
* In the 'YYYY-MM-DD' or 'YYYY-MM' format, depending on `precision`.
*/
public function __construct( array $config = [] ) {
$config = array_merge( [
// Default config values
'precision' => 'day',
'longDisplayFormat' => false,
], $config );
// Properties
if ( isset( $config['inputFormat'] ) ) {
$this->inputFormat = $config['inputFormat'];
}
if ( isset( $config['placeholderDateFormat'] ) ) {
$this->placeholderDateFormat = $config['placeholderDateFormat'];
}
$this->precision = $config['precision'];
if ( isset( $config['mustBeAfter'] ) ) {
$this->mustBeAfter = $config['mustBeAfter'];
} elseif ( isset( $config['min'] ) ) {
$this->mustBeAfter = $this->modifyDate( $config['min'], '-1 day' );
}
if ( isset( $config['mustBeBefore'] ) ) {
$this->mustBeBefore = $config['mustBeBefore'];
} elseif ( isset( $config['max'] ) ) {
$this->mustBeBefore = $this->modifyDate( $config['max'], '+1 day' );
}
// Properties stored for the infused JS widget
if ( isset( $config['displayFormat'] ) ) {
$this->displayFormat = $config['displayFormat'];
}
if ( isset( $config['longDisplayFormat'] ) ) {
$this->longDisplayFormat = $config['longDisplayFormat'];
}
if ( isset( $config['placeholderLabel'] ) ) {
$this->placeholderLabel = $config['placeholderLabel'];
}
// Set up placeholder text visible if the browser doesn't override it (logic taken from JS)
if ( $this->placeholderDateFormat !== null ) {
$placeholder = $this->placeholderDateFormat;
} elseif ( $this->inputFormat !== null ) {
// We have no way to display a translated placeholder for custom formats
$placeholder = '';
} else {
$placeholder = wfMessage( "mw-widgets-dateinput-placeholder-$this->precision" )->text();
}
$config = array_merge( [
// Processed config values
'placeholder' => $placeholder,
], $config );
parent::__construct( $config );
// Calculate min/max attributes (which are skipped by TextInputWidget) and add to <input>
// min/max attributes are inclusive, but mustBeAfter/Before are exclusive
if ( $this->mustBeAfter !== null ) {
$this->input->setAttributes( [ 'min' => $this->modifyDate( $this->mustBeAfter, '+1 day' ) ] );
}
if ( $this->mustBeBefore !== null ) {
$this->input->setAttributes( [ 'max' => $this->modifyDate( $this->mustBeBefore, '-1 day' ) ] );
}
// Initialization
$this->addClasses( [ 'mw-widget-dateInputWidget' ] );
$this->appendContent( new PendingTextInputWidget() );
}
/** @inheritDoc */
protected function getJavaScriptClassName() {
return 'mw.widgets.DateInputWidget';
}
/** @inheritDoc */
public function getConfig( &$config ) {
if ( $this->inputFormat !== null ) {
$config['inputFormat'] = $this->inputFormat;
}
if ( $this->displayFormat !== null ) {
$config['displayFormat'] = $this->displayFormat;
}
if ( $this->longDisplayFormat !== null ) {
$config['longDisplayFormat'] = $this->longDisplayFormat;
}
if ( $this->placeholderLabel !== null ) {
$config['placeholderLabel'] = $this->placeholderLabel;
}
if ( $this->placeholderDateFormat !== null ) {
$config['placeholderDateFormat'] = $this->placeholderDateFormat;
}
if ( $this->precision !== null ) {
$config['precision'] = $this->precision;
}
if ( $this->mustBeAfter !== null ) {
$config['mustBeAfter'] = $this->mustBeAfter;
}
if ( $this->mustBeBefore !== null ) {
$config['mustBeBefore'] = $this->mustBeBefore;
}
$config['$overlay'] = true;
return parent::getConfig( $config );
}
/** @inheritDoc */
public function getInputElement( $config ) {
// Inserts date/month type attribute
return parent::getInputElement( $config )
->setAttributes( [
'type' => ( $config['precision'] === 'month' ) ? 'month' : 'date'
] );
}
private function modifyDate( string $date, string $modifier ): string {
$datetime = new DateTime( $date );
$datetime->modify( $modifier );
return $datetime->format( 'Y-m-d' );
}
}