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<?php
/**
* @package yii2-krajee-base
* @author Kartik Visweswaran <kartikv2@gmail.com>
* @copyright Copyright © Kartik Visweswaran, Krajee.com, 2014 - 2019
* @version 2.0.5
*/
namespace kartik\base;
use Yii;
use yii\base\InvalidConfigException;
use yii\helpers\FormatConverter;
use yii\helpers\Html;
use yii\helpers\ArrayHelper;
use yii\widgets\InputWidget as YiiInputWidget;
/**
* InputWidget is the base class for widgets extending the [[YiiInputWidget]] that collect user inputs in all
* Krajee input extensions.
*
* An input widget can be associated with a data model and an attribute, or a name and a value. If the former, the
* name and the value will be generated automatically.
*
* Classes extending from this widget can be used in an [[\yii\widgets\ActiveForm|ActiveForm]] using the
* [[\yii\widgets\ActiveField::widget()|widget()]] method. For example like this:
*
* ```php
* <?= $form->field($model, 'from_date')->widget('WidgetClassName', [
* // configure additional widget properties here
* ]) ?>
* ```
*
* @author Kartik Visweswaran <kartikv2@gmail.com>
*/
class InputWidget extends YiiInputWidget implements BootstrapInterface
{
use TranslationTrait;
use WidgetTrait;
/**
* @var string the HTML markup for widget loading indicator
*/
const LOAD_PROGRESS = '<div class="kv-plugin-loading"> </div>';
/**
* @var string the language configuration (e.g. 'fr-FR', 'zh-CN'). The format for the language/locale is
* ll-CC where ll is a two or three letter lowercase code for a language according to ISO-639 and
* CC is the country code according to ISO-3166.
* If this property not set, then the current application language will be used.
*/
public $language;
/**
* @var boolean whether input is to be disabled
*/
public $disabled = false;
/**
* @var boolean whether input is to be readonly
*/
public $readonly = false;
/**
* @var boolean show loading indicator while plugin loads
*/
public $pluginLoading = true;
/**
* @var array the data (for list inputs)
*/
public $data = [];
/**
* @var boolean whether the widget should automatically format the date from the PHP DateTime format to the
* javascript/jquery plugin format. This is more applicable for widgets that manage date / time inputs.
*
* @see http://php.net/manual/en/function.date.php
*/
public $convertFormat = false;
/**
* @var string the indicator to be displayed while plugin is loading.
*/
protected $_loadIndicator = '';
/**
* @var string the two or three letter lowercase code for the language according to ISO-639.
*/
protected $_lang = '';
/**
* @var string the language js file.
*/
protected $_langFile = '';
/**
* @inheritdoc
* @throws InvalidConfigException
* @throws \ReflectionException
*/
public function init()
{
$this->initBsVersion();
parent::init();
$this->mergeDefaultOptions();
$this->initDestroyJs();
$this->initInputWidget();
}
/**
* Initializes the input widget.
* @throws \ReflectionException
*/
protected function initInputWidget()
{
$this->initI18N(__DIR__, 'kvbase');
if (!isset($this->language)) {
$this->language = Yii::$app->language;
}
$this->_lang = Config::getLang($this->language);
if ($this->pluginLoading) {
$this->_loadIndicator = self::LOAD_PROGRESS;
}
if ($this->hasModel()) {
$this->name = !isset($this->options['name']) ? Html::getInputName($this->model,
$this->attribute) : $this->options['name'];
$this->value = !isset($this->options['value']) ? Html::getAttributeValue($this->model,
$this->attribute) : $this->options['value'];
}
$this->initDisability($this->options);
}
/**
* Validates and sets disabled or readonly inputs.
*
* @param array $options the HTML attributes for the input
*/
protected function initDisability(&$options)
{
if ($this->disabled && !isset($options['disabled'])) {
$options['disabled'] = true;
}
if ($this->readonly && !isset($options['readonly'])) {
$options['readonly'] = true;
}
}
/**
* Initialize the plugin language.
*
* @param string $property the name of language property in [[pluginOptions]].
* @param boolean $full whether to use the full language string. Defaults to `false`
* which is the 2 (or 3) digit ISO-639 format.
* Defaults to 'language'.
*/
protected function initLanguage($property = 'language', $full = false)
{
if (empty($this->pluginOptions[$property])) {
$this->pluginOptions[$property] = $full ? $this->language : $this->_lang;
}
}
/**
* Sets the language JS file if it exists.
*
* @param string $prefix the language filename prefix
* @param string $assetPath the path to the assets
* @param string $filePath the path to the JS file with the file name prefix
* @param string $suffix the file name suffix - defaults to '.js'
* @throws \ReflectionException
*/
protected function setLanguage($prefix, $assetPath = null, $filePath = null, $suffix = '.js')
{
$pwd = Config::getCurrentDir($this);
$s = DIRECTORY_SEPARATOR;
if ($assetPath === null) {
$assetPath = "{$pwd}{$s}assets{$s}";
} elseif (substr($assetPath, -1) != $s) {
$assetPath .= $s;
}
if ($filePath === null) {
$filePath = "js{$s}locales{$s}";
} elseif (substr($filePath, -1) != $s) {
$filePath .= $s;
}
$full = $filePath . $prefix . $this->language . $suffix;
$fullLower = $filePath . $prefix . strtolower($this->language) . $suffix;
$short = $filePath . $prefix . $this->_lang . $suffix;
if (Config::fileExists($assetPath . $full)) {
$this->_langFile = $full;
$this->pluginOptions['language'] = $this->language;
} elseif (Config::fileExists($assetPath . $fullLower)) {
$this->_langFile = $fullLower;
$this->pluginOptions['language'] = strtolower($this->language);
} elseif (Config::fileExists($assetPath . $short)) {
$this->_langFile = $short;
$this->pluginOptions['language'] = $this->_lang;
} else {
$this->_langFile = '';
}
$this->_langFile = str_replace($s, '/', $this->_langFile);
}
/**
* Generates an input.
*
* @param string $type the input type
* @param boolean $list whether the input is of dropdown list type
*
* @return string the rendered input markup
*/
protected function getInput($type, $list = false)
{
if ($this->hasModel()) {
$input = 'active' . ucfirst($type);
return $list ?
Html::$input($this->model, $this->attribute, $this->data, $this->options) :
Html::$input($this->model, $this->attribute, $this->options);
}
$input = $type;
$checked = false;
if ($type == 'radio' || $type == 'checkbox') {
$checked = ArrayHelper::remove($this->options, 'checked', '');
if (empty($checked) && !empty($this->value)) {
$checked = ($this->value == 0) ? false : true;
} elseif (empty($checked)) {
$checked = false;
}
}
return $list ?
Html::$input($this->name, $this->value, $this->data, $this->options) :
(($type == 'checkbox' || $type == 'radio') ?
Html::$input($this->name, $checked, $this->options) :
Html::$input($this->name, $this->value, $this->options));
}
/**
* Automatically convert the date format from PHP DateTime to Javascript DateTime format
*
* @see http://php.net/manual/en/function.date.php
* @see http://bootstrap-datetimepicker.readthedocs.org/en/release/options.html#format
*
* @param string $format the PHP date format string
*
* @return string
*/
protected static function convertDateFormat($format)
{
return strtr($format, [
// meridian lowercase
'a' => 'p',
// meridian uppercase
'A' => 'P',
// second (with leading zeros)
's' => 'ss',
// minute (with leading zeros)
'i' => 'ii',
// hour in 12-hour format (no leading zeros)
'g' => 'H',
// hour in 24-hour format (no leading zeros)
'G' => 'h',
// hour in 12-hour format (with leading zeros)
'h' => 'HH',
// hour in 24-hour format (with leading zeros)
'H' => 'hh',
// day of month (no leading zero)
'j' => 'd',
// day of month (two digit)
'd' => 'dd',
// day name short is always 'D'
// day name long
'l' => 'DD',
// month of year (no leading zero)
'n' => 'm',
// month of year (two digit)
'm' => 'mm',
// month name short is always 'M'
// month name long
'F' => 'MM',
// year (two digit)
'y' => 'yy',
// year (four digit)
'Y' => 'yyyy',
]);
}
/**
* Parses and sets plugin date format based on attribute type using [[FormatConverter]]. Currently this method is
* used only within the [[\kartik\date\DatePicker]] and [[\kartik\datetime\DateTimePicker\]] widgets.
*
* @param string $type the attribute type whether date, datetime, or time.
*
* @throws InvalidConfigException
*/
protected function parseDateFormat($type)
{
if (!$this->convertFormat) {
return;
}
if (isset($this->pluginOptions['format'])) {
$format = $this->pluginOptions['format'];
$format = strncmp($format, 'php:', 4) === 0 ? substr($format, 4) :
FormatConverter::convertDateIcuToPhp($format, $type);
$this->pluginOptions['format'] = static::convertDateFormat($format);
return;
}
$attrib = $type . 'Format';
$format = isset(Yii::$app->formatter->$attrib) ? Yii::$app->formatter->$attrib : '';
if (empty($format)) {
throw new InvalidConfigException("Error parsing '{$type}' format.");
}
$format = strncmp($format, 'php:', 4) === 0 ? substr($format, 4) :
FormatConverter::convertDateIcuToPhp($format, $type);
$this->pluginOptions['format'] = static::convertDateFormat($format);
}
}