public function renderHeaderCellContent()
{
if ($this->header !== null || $this->label === null && $this->attribute === null) {
return parent::renderHeaderCellContent();
}
$provider = $this->grid->dataProvider;
if ($this->label === null) {
if ($provider instanceof ActiveDataProvider && $provider->query instanceof ActiveQueryInterface) {
/* @var $model Model */
$model = new $provider->query->modelClass();
$label = $model->getAttributeLabel($this->attribute);
} else {
$models = $provider->getModels();
if (($model = reset($models)) instanceof Model) {
/* @var $model Model */
$label = $model->getAttributeLabel($this->attribute);
} else {
$label = Inflector::camel2words($this->attribute);
}
}
} else {
$label = $this->label;
}
return $this->encodeLabel ? Html::encode($label) : $label;
}
protected function renderHeaderCellContent()
{
$parentHeader = parent::renderHeaderCellContent();
$sort = $this->grid->dataProvider->getSort();
$direction = $sort->getAttributeOrder($this->attribute);
if ($direction === null) {
return $parentHeader;
}
$class = $direction == SORT_ASC ? 'asc' : 'desc';
return $parentHeader . Html::tag('span', '', ['class' => [$class]]);
}
/**
* Used to render footer like header
*/
protected function renderFooterCellContent()
{
return parent::renderHeaderCellContent();
}
/**
* @inheritdoc
*/
protected function renderHeaderCellContent()
{
if ($this->header !== null || $this->label === null && $this->attribute === null) {
return parent::renderHeaderCellContent();
}
$provider = $this->grid->dataProvider;
if ($this->label === null) {
$label =& $this->label;
if ($provider instanceof ActiveDataProvider && $provider->query instanceof ActiveQueryInterface) {
/* @var $model Model */
$model = new $provider->query->modelClass();
$label = $model->getAttributeLabel($this->attribute);
} else {
$models = $provider->getModels();
if (($model = reset($models)) instanceof Model) {
/* @var $model Model */
$label = $model->getAttributeLabel($this->attribute);
} else {
$label = Inflector::camel2words($this->attribute);
}
}
} else {
$label = $this->label;
}
if ($this->attribute !== null && $this->enableSorting && ($sort = $provider->getSort()) !== false && $sort->hasAttribute($this->attribute)) {
return $sort->link($this->attribute, array_merge($this->sortLinkOptions, ['label' => $this->encodeLabel ? Html::encode($label) : $label]));
} else {
return $this->encodeLabel ? Html::encode($label) : $label;
}
}