AbstractDragAndDropHandler (SciJava Javadocs 0-SNAPSHOT API)

java.lang.Object
- org.scijava.AbstractContextual
- - org.scijava.plugin.AbstractRichPlugin
  - - org.scijava.plugin.AbstractTypedPlugin<D>
    - - org.scijava.plugin.AbstractHandlerPlugin<D>
      - org.scijava.ui.dnd.AbstractDragAndDropHandler<D>

All Implemented Interfaces:

Comparable<Prioritized>, Contextual, Identifiable, Locatable, Logged, HandlerPlugin<D>, HasPluginInfo, RichPlugin, SciJavaPlugin, SingletonPlugin, TypedPlugin<D>, Prioritized, Typed<D>, DragAndDropHandler<D>, Versioned

Direct Known Subclasses:

FileDragAndDropHandler, ListDragAndDropHandler, ScriptFileDragAndDropHandler
```
public abstract class AbstractDragAndDropHandler<D>
extends AbstractHandlerPlugin<D>
implements DragAndDropHandler<D>
```
Abstract superclass for DragAndDropHandlers.

Author:

Curtis Rueden

Constructor Summary

Constructors
Constructor and Description

AbstractDragAndDropHandler()

Constructors
Constructor and Description
`AbstractDragAndDropHandler()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`protected void`	`check(D dataObject, Display<?> display)` Throws `IllegalArgumentException` if (data, display) pair is incompatible.
`D`	`convertData(DragAndDropData data)` Converts the given `DragAndDropData` to the type of data object supported by this handler.
`protected D`	`convertDataUnchecked(DragAndDropData data)` Converts the given data to this handler's native data type, without verifying compatibility first.
`D`	`convertObject(Object object)` Converts the given object to the type of data object supported by this handler.
`protected D`	`convertObjectUnchecked(Object object)` Converts the given object to this handler's native data type, without verifying compatibility first.
`boolean`	`dropData(DragAndDropData data, Display<?> display)` Performs a drop operation with the given data in the specified `Display`.
`boolean`	`dropObject(Object object, Display<?> display)` Performs a drop operation with the given data in the specified `Display`.
`boolean`	`supports(D dataObject, Display<?> display)` Gets whether this handler supports dropping the given data object onto the specified display.
`boolean`	`supportsData(DragAndDropData data)` Gets whether this handler supports dropping the given `DragAndDropData` onto a compatible display.
`boolean`	`supportsData(DragAndDropData data, Display<?> display)` Gets whether this handler supports dropping the given `DragAndDropData` onto the specified display.
`boolean`	`supportsDisplay(Display<?> display)` Gets whether this handler supports dropping an assumed-to-be-compatible data object onto the given `Display`.
`boolean`	`supportsObject(Object object)` Gets whether this handler supports dropping the given object onto a compatible display.
`boolean`	`supportsObject(Object object, Display<?> display)` Gets whether this handler supports dropping the given object onto the specified display.

Methods inherited from class org.scijava.plugin.AbstractTypedPlugin
supports

Methods inherited from class org.scijava.plugin.AbstractRichPlugin
getInfo, getPriority, setInfo, setPriority, toString

Methods inherited from class org.scijava.AbstractContextual
context, getContext

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

Methods inherited from interface org.scijava.ui.dnd.DragAndDropHandler
drop, supports

Methods inherited from interface org.scijava.plugin.RichPlugin
getIdentifier, log

Methods inherited from interface org.scijava.Contextual
context, getContext, setContext

Methods inherited from interface org.scijava.Prioritized
compareTo, getPriority, setPriority

Methods inherited from interface org.scijava.plugin.HasPluginInfo
getInfo, setInfo

Methods inherited from interface org.scijava.Locatable
getLocation

Methods inherited from interface org.scijava.Versioned
getVersion

Methods inherited from interface org.scijava.Typed
getType

- Constructor Detail
  - AbstractDragAndDropHandler
```
public AbstractDragAndDropHandler()
```
- Method Detail
  - supports
```
public boolean supports(D dataObject,
                        Display<?> display)
```
    Description copied from interface: DragAndDropHandler
    
    Gets whether this handler supports dropping the given data object onto the specified display.
    
    Specified by:
    
    supports in interface DragAndDropHandler<D>
  - supportsData
```
public boolean supportsData(DragAndDropData data)
```
    Description copied from interface: DragAndDropHandler
    
    Gets whether this handler supports dropping the given DragAndDropData onto a compatible display.
    
    Specified by:
    
    supportsData in interface DragAndDropHandler<D>
  - supportsData
```
public boolean supportsData(DragAndDropData data,
                            Display<?> display)
```
    Description copied from interface: DragAndDropHandler
    
    Gets whether this handler supports dropping the given DragAndDropData onto the specified display.
    
    Specified by:
    
    supportsData in interface DragAndDropHandler<D>
  - supportsObject
```
public boolean supportsObject(Object object)
```
    Description copied from interface: DragAndDropHandler
    
    Gets whether this handler supports dropping the given object onto a compatible display.
    
    Specified by:
    
    supportsObject in interface DragAndDropHandler<D>
  - supportsObject
```
public boolean supportsObject(Object object,
                              Display<?> display)
```
    Description copied from interface: DragAndDropHandler
    
    Gets whether this handler supports dropping the given object onto the specified display.
    
    Specified by:
    
    supportsObject in interface DragAndDropHandler<D>
  - supportsDisplay
```
public boolean supportsDisplay(Display<?> display)
```
    Description copied from interface: DragAndDropHandler
    
    Gets whether this handler supports dropping an assumed-to-be-compatible data object onto the given Display.
    
    Specified by:
    
    supportsDisplay in interface DragAndDropHandler<D>
  - convertData
```
public D convertData(DragAndDropData data)
```
    Description copied from interface: DragAndDropHandler
    
    Converts the given DragAndDropData to the type of data object supported by this handler.
    
    Specified by:
    
    convertData in interface DragAndDropHandler<D>
  - convertObject
```
public D convertObject(Object object)
```
    Description copied from interface: DragAndDropHandler
    
    Converts the given object to the type of data object supported by this handler.
    
    Specified by:
    
    convertObject in interface DragAndDropHandler<D>
  - dropData
```
public boolean dropData(DragAndDropData data,
                        Display<?> display)
```
    Description copied from interface: DragAndDropHandler
    
    Performs a drop operation with the given data in the specified Display.
    
    Specified by:
    
    dropData in interface DragAndDropHandler<D>
  - dropObject
```
public boolean dropObject(Object object,
                          Display<?> display)
```
    Description copied from interface: DragAndDropHandler
    
    Performs a drop operation with the given data in the specified Display.
    
    Specified by:
    
    dropObject in interface DragAndDropHandler<D>
  - check
```
protected void check(D dataObject,
                     Display<?> display)
```
    Throws IllegalArgumentException if (data, display) pair is incompatible.
  - convertDataUnchecked
```
protected D convertDataUnchecked(DragAndDropData data)
```
    Converts the given data to this handler's native data type, without verifying compatibility first.
  - convertObjectUnchecked
```
protected D convertObjectUnchecked(Object object)
```
    Converts the given object to this handler's native data type, without verifying compatibility first.

Class AbstractDragAndDropHandler<D>

Constructor Summary

Method Summary

Methods inherited from class org.scijava.plugin.AbstractTypedPlugin

Methods inherited from class org.scijava.plugin.AbstractRichPlugin

Methods inherited from class org.scijava.AbstractContextual

Methods inherited from class java.lang.Object

Methods inherited from interface org.scijava.ui.dnd.DragAndDropHandler

Methods inherited from interface org.scijava.plugin.RichPlugin

Methods inherited from interface org.scijava.Contextual

Methods inherited from interface org.scijava.Prioritized

Methods inherited from interface org.scijava.plugin.HasPluginInfo

Methods inherited from interface org.scijava.Locatable

Methods inherited from interface org.scijava.Versioned

Methods inherited from interface org.scijava.Typed

Constructor Detail

AbstractDragAndDropHandler

Method Detail

supports

supportsData

supportsData

supportsObject

supportsObject

supportsDisplay

convertData

convertObject

dropData

dropObject

check

convertDataUnchecked

convertObjectUnchecked