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\widgets\grid;
use yii\base\InvalidConfigException;
use yii\base\Model;
use yii\data\ActiveDataProvider;
use yii\db\ActiveQuery;
use yii\helpers\ArrayHelper;
use yii\helpers\Html;
use yii\helpers\Inflector;
/**
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class DataColumn extends Column
{
public $attribute;
public $value;
public $type;
/**
* @var boolean whether to allow sorting by this column. If true and [[attribute]] is found in
* the sort definition of [[GridView::dataProvider]], then the header cell of this column
* will contain a link that may trigger the sorting when being clicked.
*/
public $enableSorting = true;
/**
* @var string|array|boolean the HTML code representing a filter input (eg a text field, a dropdown list)
* that is used for this data column. This property is effective only when
* {@link CGridView::filter} is set.
* If this property is not set, a text field will be generated as the filter input;
* If this property is an array, a dropdown list will be generated that uses this property value as
* the list options.
* If you don't want a filter for this data column, set this value to false.
* @since 1.1.1
*/
public $filter;
protected function renderHeaderCellContent()
{
if ($this->attribute !== null && $this->header === null) {
$provider = $this->grid->dataProvider;
if ($this->enableSorting && ($sort = $provider->getSort()) !== false && $sort->hasAttribute($this->attribute)) {
return $sort->link($this->attribute);
}
$items = $provider->getItems();
if (($item = reset($items)) instanceof Model) {
/** @var Model $item */
return $item->getAttributeLabel($this->attribute);
} elseif ($provider instanceof ActiveDataProvider) {
if ($provider->query instanceof ActiveQuery) {
/** @var Model $model */
$model = new $provider->query->modelClass;
return $model->getAttributeLabel($this->attribute);
}
}
return Inflector::camel2words($this->attribute);
} else {
return parent::renderHeaderCellContent();
}
}
protected function renderFilterCellContent()
{
if (is_string($this->filter)) {
return $this->filter;
} elseif ($this->filter !== false && $this->grid->filterModel instanceof Model && $this->attribute !== null) {
if (is_array($this->filter)) {
return Html::activeDropDownList($this->grid->filterModel, $this->attribute, $this->filter, array('prompt' => ''));
} else {
return Html::activeTextInput($this->grid->filterModel, $this->attribute);
}
} else {
return parent::renderFilterCellContent();
}
}
protected function renderDataCellContent($item, $index)
{
if ($this->value !== null) {
$value = call_user_func($this->value, $item, $index, $this);
} elseif ($this->content === null && $this->attribute !== null) {
$value = ArrayHelper::getValue($item, $this->attribute);
} else {
return parent::renderDataCellContent($item, $index);
}
return $this->grid->formatter->format($value, $this->type);
}
}