AjaxSortingAction
| Package | Yii Sortable Model |
|---|---|
| Inheritance | class AjaxSortingAction » CAction » CComponent |
| Implements | IAction |
| Since | 1.0 |
| Source Code | extensions//actions/AjaxSortingAction.php |
This action is triggered by SortableCGridView widget to store in the background the new records order.
Public Properties
| Property | Type | Description | Defined By |
|---|---|---|---|
| controller | CController | the controller who owns this action. | CAction |
| id | string | id of this action | CAction |
Public Methods
| Method | Description | Defined By |
|---|---|---|
| __call() | Calls the named method which is not a class method. | CComponent |
| __construct() | Constructor. | CAction |
| __get() | Returns a property value, an event handler list or a behavior based on its name. | CComponent |
| __isset() | Checks if a property value is null. | CComponent |
| __set() | Sets value of a component property. | CComponent |
| __unset() | Sets a component property to be null. | CComponent |
| asa() | Returns the named behavior object. | CComponent |
| attachBehavior() | Attaches a behavior to this component. | CComponent |
| attachBehaviors() | Attaches a list of behaviors to the component. | CComponent |
| attachEventHandler() | Attaches an event handler to an event. | CComponent |
| canGetProperty() | Determines whether a property can be read. | CComponent |
| canSetProperty() | Determines whether a property can be set. | CComponent |
| detachBehavior() | Detaches a behavior from the component. | CComponent |
| detachBehaviors() | Detaches all behaviors from the component. | CComponent |
| detachEventHandler() | Detaches an existing event handler. | CComponent |
| disableBehavior() | Disables an attached behavior. | CComponent |
| disableBehaviors() | Disables all behaviors attached to this component. | CComponent |
| enableBehavior() | Enables an attached behavior. | CComponent |
| enableBehaviors() | Enables all behaviors attached to this component. | CComponent |
| evaluateExpression() | Evaluates a PHP expression or callback under the context of this component. | CComponent |
| getController() | Returns the controller who owns this action. | CAction |
| getEventHandlers() | Returns the list of attached event handlers for an event. | CComponent |
| getId() | Returns id of this action | CAction |
| hasEvent() | Determines whether an event is defined. | CComponent |
| hasEventHandler() | Checks whether the named event has attached handlers. | CComponent |
| hasProperty() | Determines whether a property is defined. | CComponent |
| raiseEvent() | Raises an event. | CComponent |
| run() | AjaxSortingAction | |
| runWithParams() | Runs the action with the supplied request parameters. | CAction |
Protected Methods
| Method | Description | Defined By |
|---|---|---|
| runWithParamsInternal() | Executes a method of an object with the supplied named parameters. | CAction |
Method Details
run()
method
|
public void run()
|
Source Code: extensions//actions/AjaxSortingAction.php#L30 (show)
public function run()
{
if (isset($_POST))
{
$order_field = $_POST['order_field'];
$model = call_user_func(array($_POST['model'], 'model'));
$dragged_entry = $model->findByPk($_POST['dragged_item_id']);
/*load dragged entry before changing orders*/
$prev = $dragged_entry->{$order_field};
$new = $model->findByPk($_POST['replacement_item_id'])->{$order_field};
/*update order only for the affected records*/
if ($prev < $new)
{
for ($i = $prev + 1;$i <= $new; $i++)
{
$entry = $model->findByAttributes(array($order_field => $i));
$entry->{$order_field} = $entry->{$order_field} - 1;
$entry->update();
}
}
elseif ($prev > $new)
{
for ($i = $prev - 1;$i >= $new; $i--)
{
$entry = $model->findByAttributes(array($order_field => $i));
$entry->{$order_field} = $entry->{$order_field} + 1;
$entry->update();
}
}
/*dragged entry order is changed at last, to not interfere during the changing orders loop*/
$dragged_entry->{$order_field} = $new;
$dragged_entry->update();
}
}