Yii2 framework backup
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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\grid;
use Yii;
use yii\helpers\Html;
use yii\helpers\Url;
/**
* ActionColumn is a column for the [[GridView]] widget that displays buttons for viewing and manipulating the items.
*
* To add an ActionColumn to the gridview, add it to the [[GridView::columns|columns]] configuration as follows:
*
* ```php
* 'columns' => [
* // ...
* [
* 'class' => ActionColumn::className(),
* // you may configure additional properties here
* ],
* ]
* ```
*
* For more details and usage information on ActionColumn, see the [guide article on data widgets](guide:output-data-widgets).
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class ActionColumn extends Column
{
/**
* {@inheritdoc}
*/
public $headerOptions = ['class' => 'action-column'];
/**
* @var string the ID of the controller that should handle the actions specified here.
* If not set, it will use the currently active controller. This property is mainly used by
* [[urlCreator]] to create URLs for different actions. The value of this property will be prefixed
* to each action name to form the route of the action.
*/
public $controller;
/**
* @var string the template used for composing each cell in the action column.
* Tokens enclosed within curly brackets are treated as controller action IDs (also called *button names*
* in the context of action column). They will be replaced by the corresponding button rendering callbacks
* specified in [[buttons]]. For example, the token `{view}` will be replaced by the result of
* the callback `buttons['view']`. If a callback cannot be found, the token will be replaced with an empty string.
*
* As an example, to only have the view, and update button you can add the ActionColumn to your GridView columns as follows:
*
* ```php
* ['class' => 'yii\grid\ActionColumn', 'template' => '{view} {update}'],
* ```
*
* @see buttons
*/
public $template = '{view} {update} {delete}';
/**
* @var array button rendering callbacks. The array keys are the button names (without curly brackets),
* and the values are the corresponding button rendering callbacks. The callbacks should use the following
* signature:
*
* ```php
* function ($url, $model, $key) {
* // return the button HTML code
* }
* ```
*
* where `$url` is the URL that the column creates for the button, `$model` is the model object
* being rendered for the current row, and `$key` is the key of the model in the data provider array.
*
* You can add further conditions to the button, for example only display it, when the model is
* editable (here assuming you have a status field that indicates that):
*
* ```php
* [
* 'update' => function ($url, $model, $key) {
* return $model->status === 'editable' ? Html::a('Update', $url) : '';
* },
* ],
* ```
*/
public $buttons = [];
/** @var array visibility conditions for each button. The array keys are the button names (without curly brackets),
* and the values are the boolean true/false or the anonymous function. When the button name is not specified in
* this array it will be shown by default.
* The callbacks must use the following signature:
*
* ```php
* function ($model, $key, $index) {
* return $model->status === 'editable';
* }
* ```
*
* Or you can pass a boolean value:
*
* ```php
* [
* 'update' => \Yii::$app->user->can('update'),
* ],
* ```
* @since 2.0.7
*/
public $visibleButtons = [];
/**
* @var callable a callback that creates a button URL using the specified model information.
* The signature of the callback should be the same as that of [[createUrl()]]
* Since 2.0.10 it can accept additional parameter, which refers to the column instance itself:
*
* ```php
* function (string $action, mixed $model, mixed $key, integer $index, ActionColumn $this) {
* //return string;
* }
* ```
*
* If this property is not set, button URLs will be created using [[createUrl()]].
*/
public $urlCreator;
/**
* @var array html options to be applied to the [[initDefaultButton()|default button]].
* @since 2.0.4
*/
public $buttonOptions = [];
/**
* {@inheritdoc}
*/
public function init()
{
parent::init();
$this->initDefaultButtons();
}
/**
* Initializes the default button rendering callbacks.
*/
protected function initDefaultButtons()
{
$this->initDefaultButton('view', 'eye-open');
$this->initDefaultButton('update', 'pencil');
$this->initDefaultButton('delete', 'trash', [
'data-confirm' => Yii::t('yii', 'Are you sure you want to delete this item?'),
'data-method' => 'post',
]);
}
/**
* Initializes the default button rendering callback for single button.
* @param string $name Button name as it's written in template
* @param string $iconName The part of Bootstrap glyphicon class that makes it unique
* @param array $additionalOptions Array of additional options
* @since 2.0.11
*/
protected function initDefaultButton($name, $iconName, $additionalOptions = [])
{
if (!isset($this->buttons[$name]) && strpos($this->template, '{' . $name . '}') !== false) {
$this->buttons[$name] = function ($url, $model, $key) use ($name, $iconName, $additionalOptions) {
switch ($name) {
case 'view':
$title = Yii::t('yii', 'View');
break;
case 'update':
$title = Yii::t('yii', 'Update');
break;
case 'delete':
$title = Yii::t('yii', 'Delete');
break;
default:
$title = ucfirst($name);
}
$options = array_merge([
'title' => $title,
'aria-label' => $title,
'data-pjax' => '0',
], $additionalOptions, $this->buttonOptions);
$icon = Html::tag('span', '', ['class' => "glyphicon glyphicon-$iconName"]);
return Html::a($icon, $url, $options);
};
}
}
/**
* Creates a URL for the given action and model.
* This method is called for each button and each row.
* @param string $action the button name (or action ID)
* @param \yii\db\ActiveRecordInterface $model the data model
* @param mixed $key the key associated with the data model
* @param int $index the current row index
* @return string the created URL
*/
public function createUrl($action, $model, $key, $index)
{
if (is_callable($this->urlCreator)) {
return call_user_func($this->urlCreator, $action, $model, $key, $index, $this);
}
$params = is_array($key) ? $key : ['id' => (string) $key];
$params[0] = $this->controller ? $this->controller . '/' . $action : $action;
return Url::toRoute($params);
}
/**
* {@inheritdoc}
*/
protected function renderDataCellContent($model, $key, $index)
{
return preg_replace_callback('/\\{([\w\-\/]+)\\}/', function ($matches) use ($model, $key, $index) {
$name = $matches[1];
if (isset($this->visibleButtons[$name])) {
$isVisible = $this->visibleButtons[$name] instanceof \Closure
? call_user_func($this->visibleButtons[$name], $model, $key, $index)
: $this->visibleButtons[$name];
} else {
$isVisible = true;
}
if ($isVisible && isset($this->buttons[$name])) {
$url = $this->createUrl($name, $model, $key, $index);
return call_user_func($this->buttons[$name], $url, $model, $key);
}
return '';
}, $this->template);
}
}