TargetDetailIs (vaadin-server 8.31-SNAPSHOT API)

java.lang.Object
- com.vaadin.event.dd.acceptcriteria.ClientSideCriterion
- - com.vaadin.event.dd.acceptcriteria.TargetDetailIs

All Implemented Interfaces:

AcceptCriterion, Serializable
```
public class TargetDetailIs
extends ClientSideCriterion
```
Criterion for checking if drop target details contains the specific property with the specific value. Currently only String values are supported.

Since:

6.3 TODO add support for other basic data types that we support in UIDL.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`TargetDetailIs(String dataFlavor, Boolean true1)`
`TargetDetailIs(String dataFlavor, String value)`	Constructs a criterion which ensures that the value there is a value in `TargetDetails` that equals the reference value.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`accept(DragAndDropEvent dragEvent)`	Validates the data in event to be appropriate for the `DropHandler.drop(DragAndDropEvent)` method.
`protected String`	`getIdentifier()`
`void`	`paintContent(PaintTarget target)`

Methods inherited from class com.vaadin.event.dd.acceptcriteria.ClientSideCriterion
isClientSideVerifiable, paint, paintResponse

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - TargetDetailIs
```
public TargetDetailIs(String dataFlavor,
                      String value)
```
    Constructs a criterion which ensures that the value there is a value in TargetDetails that equals the reference value.
    
    Parameters:
    
    dataFlavor - the type of data to be checked
    
    value - the reference value to which the drop target detail will be compared
  - TargetDetailIs
```
public TargetDetailIs(String dataFlavor,
                      Boolean true1)
```
- Method Detail
  - paintContent
```
public void paintContent(PaintTarget target)
                  throws PaintException
```
    Overrides:
    
    paintContent in class ClientSideCriterion
    
    Throws:
    
    PaintException
  - accept
```
public boolean accept(DragAndDropEvent dragEvent)
```
    Description copied from interface: AcceptCriterion
    
    Validates the data in event to be appropriate for the DropHandler.drop(DragAndDropEvent) method.
    Note that even if your criterion is validated on client side, you should always validate the data on server side too.
    
    Returns:
  - getIdentifier
```
protected String getIdentifier()
```
    Overrides:
    
    getIdentifier in class ClientSideCriterion