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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\helpers\ArrayHelper;
use yii\helpers\Html;
use yii\base\InvalidConfigException;
/**
* BootstrapTrait includes bootstrap library init and parsing methods. The class which uses this trait, must also
* necessarily implement the [[BootstrapInterface]].
*
* @author Kartik Visweswaran <kartikv2@gmail.com>
*/
trait BootstrapTrait
{
/**
* @var array CSS conversion mappings for BS3.x and BS4.x. This is set as `$key => $value` pairs where:
* - `$key`: _string_, is the style type to be configured (one of the constants starting with `BS_`)
* - `$value`: _array_, consists of 2 array items:
* - the first item represents the CSS class(es) for Bootstrap 3.x.
* - the second item represents the CSS class(es) for Bootstrap 4.x
* If more than one CSS class is to be applied - it is represented as a sub array of the relevant CSS classes.
*/
public static $bsCssMap = [
self::BS_PANEL => ['panel', 'card'],
self::BS_PANEL_HEADING => ['panel-heading', 'card-header'],
self::BS_PANEL_TITLE => ['panel-title', 'card-title'],
self::BS_PANEL_BODY => ['panel-body', 'card-body'],
self::BS_PANEL_FOOTER => ['panel-footer', 'card-footer'],
self::BS_PANEL_DEFAULT => ['panel-default', ''],
self::BS_PANEL_PRIMARY => ['panel-primary', ['bg-primary', 'text-white']],
self::BS_PANEL_SUCCESS => ['panel-success', ['bg-success', 'text-white']],
self::BS_PANEL_INFO => ['panel-info', ['bg-info', 'text-white']],
self::BS_PANEL_WARNING => ['panel-warning', ['bg-warning', 'text-white']],
self::BS_PANEL_DANGER => ['panel-danger', ['bg-danger', 'text-white']],
self::BS_LABEL => ['label', 'badge'],
self::BS_BADGE => ['badge', ['badge', 'badge-pill']],
self::BS_LABEL_DEFAULT => ['label-default', 'badge-secondary'],
self::BS_LABEL_PRIMARY => ['label-primary', 'badge-primary'],
self::BS_LABEL_SUCCESS => ['label-success', 'badge-success'],
self::BS_LABEL_INFO => ['label-info', 'badge-info'],
self::BS_LABEL_WARNING => ['label-warning', 'badge-warning'],
self::BS_LABEL_DANGER => ['label-danger', 'badge-danger'],
self::BS_TABLE_ACTIVE => ['default', 'table-active'],
self::BS_TABLE_PRIMARY => ['primary', 'table-primary'],
self::BS_TABLE_SUCCESS => ['success', 'table-success'],
self::BS_TABLE_INFO => ['info', 'table-info'],
self::BS_TABLE_WARNING => ['warning', 'table-warning'],
self::BS_TABLE_DANGER => ['danger', 'table-danger'],
self::BS_PROGRESS_BAR_ACTIVE => ['active', 'progress-bar-animated'],
self::BS_PROGRESS_BAR_PRIMARY => ['progress-bar-primary', 'bg-primary'],
self::BS_PROGRESS_BAR_SUCCESS => ['progress-bar-success', 'bg-success'],
self::BS_PROGRESS_BAR_INFO => ['progress-bar-info', 'bg-info'],
self::BS_PROGRESS_BAR_WARNING => ['progress-bar-warning', 'bg-warning'],
self::BS_PROGRESS_BAR_DANGER => ['progress-bar-danger', 'bg-danger'],
self::BS_WELL => ['well', ['card', 'card-body']],
self::BS_WELL_SM => ['well-sm', ['card', 'card-body', 'p-2']],
self::BS_WELL_LG => ['well-lg', ['card', 'card-body', 'p-4']],
self::BS_THUMBNAIL => ['thumbnail', ['card', 'card-body']],
self::BS_NAVBAR_DEFAULT => ['navbar-default', 'navbar-light'],
self::BS_NAVBAR_TOGGLE => ['navbar-toggle', 'navbar-toggler'],
self::BS_NAVBAR_RIGHT => ['navbar-right', 'ml-auto'],
self::BS_NAVBAR_BTN => ['navbar-btn', 'nav-item'],
self::BS_NAVBAR_FIXTOP => ['navbar-fixed-top', 'fixed-top'],
self::BS_NAV_STACKED => ['nav-stacked', 'flex-column'],
self::BS_NAV_ITEM => ['', 'nav-item'],
self::BS_NAV_LINK => ['', 'nav-link'],
self::BS_PAGE_ITEM => ['', 'page-item'],
self::BS_PAGE_LINK => ['', 'page-link'],
self::BS_LIST_INLINE_ITEM => ['', 'list-inline-item'],
self::BS_BTN_DEFAULT => ['btn-default', 'btn-secondary'],
self::BS_IMG_RESPONSIVE => ['img-responsive', 'img-fluid'],
self::BS_IMG_CIRCLE => ['img-circle', 'rounded-circle'],
self::BS_IMG_ROUNDED => ['img-rounded', 'rounded'],
self::BS_RADIO => ['radio', 'form-check'],
self::BS_CHECKBOX => ['checkbox', 'form-check'],
self::BS_INPUT_LG => ['input-lg', 'form-control-lg'],
self::BS_INPUT_SM => ['input-sm', 'form-control-sm'],
self::BS_CONTROL_LABEL => ['control-label', 'col-form-label'],
self::BS_TABLE_CONDENSED => ['table-condensed', 'table-sm'],
self::BS_CAROUSEL_ITEM => ['item', 'carousel-item'],
self::BS_CAROUSEL_ITEM_NEXT => ['next', 'carousel-item-next'],
self::BS_CAROUSEL_ITEM_PREV => ['prev', 'carousel-item-prev'],
self::BS_CAROUSEL_ITEM_LEFT => ['left', 'carousel-item-left'],
self::BS_CAROUSEL_ITEM_RIGHT => ['right', 'carousel-item-right'],
self::BS_CAROUSEL_CONTROL_LEFT => [['carousel-control', 'left'], 'carousel-control-left'],
self::BS_CAROUSEL_CONTROL_RIGHT => [['carousel-control', 'right'], 'carousel-control-right'],
self::BS_HELP_BLOCK => ['help-block', 'form-text'],
self::BS_PULL_RIGHT => ['pull-right', 'float-right'],
self::BS_PULL_LEFT => ['pull-left', 'float-left'],
self::BS_CENTER_BLOCK => ['center-block', ['mx-auto', 'd-block']],
self::BS_HIDE => ['hide', 'd-none'],
self::BS_HIDDEN_PRINT => ['hidden-print', 'd-print-none'],
self::BS_HIDDEN_XS => ['hidden-xs', ['d-none', 'd-sm-block']],
self::BS_HIDDEN_SM => ['hidden-sm', ['d-sm-none', 'd-md-block']],
self::BS_HIDDEN_MD => ['hidden-md', ['d-md-none', 'd-lg-block']],
self::BS_HIDDEN_LG => ['hidden-lg', ['d-lg-none', 'd-xl-block']],
self::BS_VISIBLE_PRINT => ['visible-print-block', ['d-print-block', 'd-none']],
self::BS_VISIBLE_XS => ['visible-xs', ['d-block', 'd-sm-none']],
self::BS_VISIBLE_SM => ['visible-sm', ['d-none', 'd-sm-block', 'd-md-none']],
self::BS_VISIBLE_MD => ['visible-md', ['d-none', 'd-md-block', 'd-lg-none']],
self::BS_VISIBLE_LG => ['visible-md', ['d-none', 'd-lg-block', 'd-xl-none']],
self::BS_FORM_CONTROL_STATIC => ['form-control-static', 'form-control-plaintext'],
self::BS_DROPDOWN_DIVIDER => ['divider', 'dropdown-divider'],
self::BS_SHOW => ['in', 'show'],
];
/**
* @var int|string the bootstrap library version.
*
* To use with bootstrap 3 - you can set this to any string starting with 3 (e.g. `3` or `3.3.7` or `3.x`)
* To use with bootstrap 4 - you can set this to any string starting with 4 (e.g. `4` or `4.1.1` or `4.x`)
*
* This property can be set up globally in Yii application params in your Yii2 application config file.
*
* For example:
* `Yii::$app->params['bsVersion'] = '4.x'` to use with Bootstrap 4.x globally
*
* If this property is set, this setting will override the `Yii::$app->params['bsVersion']`. If this is not set, and
* `Yii::$app->params['bsVersion']` is also not set, this will default to `3.x` (Bootstrap 3.x version).
*/
public $bsVersion;
/**
* @var array the bootstrap grid column css prefixes mapping, the key is the bootstrap versions, and the value is
* an array containing the sizes and their corresponding grid column css prefixes. The class using this trait, must
* implement BootstrapInterface. If not set will default to:
* ```php
* [
* '3' => [
* self::SIZE_X_SMALL => 'col-xs-',
* self::SIZE_SMALL => 'col-sm-',
* self::SIZE_MEDIUM => 'col-md-',
* self::SIZE_LARGE => 'col-lg-',
* self::SIZE_X_LARGE => 'col-lg-',
* ],
* '4' => [
* self::SIZE_X_SMALL => 'col-',
* self::SIZE_SMALL => 'col-sm-',
* self::SIZE_MEDIUM => 'col-md-',
* self::SIZE_LARGE => 'col-lg-',
* self::SIZE_X_LARGE => 'col-xl-',
* ],
* ];
* ```
*/
public $bsColCssPrefixes = [];
/**
* @var string default icon CSS prefix
*/
protected $_defaultIconPrefix;
/**
* @var string default bootstrap button CSS
*/
protected $_defaultBtnCss;
/**
* @var bool flag to detect whether bootstrap 4.x version is set
*/
protected $_isBs4;
/**
* Initializes bootstrap versions for the widgets and asset bundles.
* Sets the [[_isBs4]] flag by parsing [[bsVersion]]
*
* @throws InvalidConfigException
*/
protected function initBsVersion()
{
$ver = $this->configureBsVersion();
$this->_defaultIconPrefix = 'glyphicon glyphicon-';
$this->_defaultBtnCss = 'btn-default';
$ext = 'bootstrap' . ($this->_isBs4 ? '4' : '');
if (!class_exists("yii\\{$ext}\\Html")) {
$message = "You must install 'yiisoft/yii2-{$ext}' extension for Bootstrap {$ver}.x version support. " .
"Dependency to 'yii2-{$ext}' has not been included with 'yii2-krajee-base'. To resolve, you must add " .
"'yiisoft/yii2-{$ext}' to the 'require' section of your application's composer.json file and then " .
"run 'composer update'.\n\n" .
"NOTE: This dependency change has been done since v2.0 of 'yii2-krajee-base' because only one of " .
"'yiisoft/yii2-bootstrap' OR 'yiisoft/bootstrap4' bootstrap extensions can be installed. The " .
"developer can thus choose and control which bootstrap extension library to install.";
throw new InvalidConfigException($message);
}
if ($this->_isBs4) {
$this->_defaultIconPrefix = 'fas fa-';
$this->_defaultBtnCss = 'btn-outline-secondary';
}
$interface = BootstrapInterface::class;
if (!($this instanceof $interface)) {
$class = get_called_class();
throw new InvalidConfigException("'{$class}' must implement '{$interface}'.");
}
if (empty($this->bsColCssPrefixes)) {
$this->bsColCssPrefixes = [
'3' => [
self::SIZE_X_SMALL => 'col-xs-',
self::SIZE_SMALL => 'col-sm-',
self::SIZE_MEDIUM => 'col-md-',
self::SIZE_LARGE => 'col-lg-',
self::SIZE_X_LARGE => 'col-lg-',
],
'4' => [
self::SIZE_X_SMALL => 'col-',
self::SIZE_SMALL => 'col-sm-',
self::SIZE_MEDIUM => 'col-md-',
self::SIZE_LARGE => 'col-lg-',
self::SIZE_X_LARGE => 'col-xl-',
],
];
}
}
/**
* Configures the bootstrap version settings
* @return string the bootstrap lib parsed version number
*/
protected function configureBsVersion()
{
$v = empty($this->bsVersion) ? ArrayHelper::getValue(Yii::$app->params, 'bsVersion', '3') : $this->bsVersion;
$ver = static::parseVer($v);
$this->_isBs4 = $ver === '4';
return $ver;
}
/**
* Validate if Bootstrap 4.x version
* @return bool
*
* @throws InvalidConfigException
*/
public function isBs4()
{
if (!isset($this->_isBs4)) {
$this->configureBsVersion();
}
return $this->_isBs4;
}
/**
* Gets the default button CSS
* @return string
*/
public function getDefaultBtnCss()
{
return $this->_defaultBtnCss;
}
/**
* Gets the default icon css prefix
* @return string
*/
public function getDefaultIconPrefix()
{
return $this->_defaultIconPrefix;
}
/**
* Gets bootstrap css class by parsing the bootstrap version for the specified BS CSS type
* @param string $type the bootstrap CSS class type
* @param bool $asString whether to return classes as a string separated by space
* @return string
* @throws InvalidConfigException
*/
public function getCssClass($type, $asString = true)
{
if (empty(static::$bsCssMap[$type])) {
return '';
}
$config = static::$bsCssMap[$type];
$i = $this->isBs4() ? 1 : 0;
$css = !empty($config[$i]) ? $config[$i] : '';
return $asString && is_array($css) ? implode(' ', $css) : $css;
}
/**
* Adds bootstrap CSS class to options by parsing the bootstrap version for the specified Bootstrap CSS type
* @param array $options the HTML attributes for the container element that will be modified
* @param string $type the bootstrap CSS class type
* @return \kartik\base\Widget|mixed current object instance that uses this trait
* @throws InvalidConfigException
*/
public function addCssClass(&$options, $type)
{
$css = $this->getCssClass($type, false);
if (!empty($css)) {
Html::addCssClass($options, $css);
}
return $this;
}
/**
* Removes bootstrap CSS class from options by parsing the bootstrap version for the specified Bootstrap CSS type
* @param array $options the HTML attributes for the container element that will be modified
* @param string $type the bootstrap CSS class type
* @return \kartik\base\Widget|mixed current object instance that uses this trait
* @throws InvalidConfigException
*/
public function removeCssClass(&$options, $type)
{
$css = $this->getCssClass($type, false);
if (!empty($css)) {
Html::removeCssClass($options, $css);
}
return $this;
}
/**
* Parses and returns the major BS version
* @param string $ver
* @return bool|string
*/
protected static function parseVer($ver)
{
$ver = (string)$ver;
return substr(trim($ver), 0, 1);
}
/**
* Compares two versions and checks if they are of the same major BS version
* @param int|string $ver1 first version
* @param int|string $ver2 second version
* @return bool whether major versions are equal
*/
protected static function isSameVersion($ver1, $ver2)
{
if ($ver1 === $ver2 || (empty($ver1) && empty($ver2))) {
return true;
}
return static::parseVer($ver1) === static::parseVer($ver2);
}
}