Add more functionality to ToggleAction
Add more functionality to ToggleAction

TOGGLE_ANY - change state of any element (by default)
TOGGLE_UNIQ - only one element must be equal $onValue, others setted to offValue
TOGGLE_COND - toggle one element to $onValue, others to offValue per condition (for example only one foto can be set as cover per album)
cBackup/yii2-grid-view-library