Package com.diffplug.common.swt.dnd

Class StructuredDrop

java.lang.Object

com.diffplug.common.swt.dnd.StructuredDrop

public class StructuredDrop
extends Object

Typed mechanism for implementing drop listeners. https://eclipse.org/articles/Article-SWT-DND/DND-in-SWT.html

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	StructuredDrop.AbstractTypedDropHandler<T>
static enum	StructuredDrop.DropMethod
static class	StructuredDrop.Listener
static interface	StructuredDrop.TypedDropHandler<T>
class	StructuredDrop.TypeMapper<T>

Constructor Summary

Constructors

Constructor	Description
StructuredDrop()

Method Summary

Modifier and Type	Method	Description
<TValue> StructuredDrop.TypeMapper<TValue>	add(TypedTransfer<TValue> transfer, StructuredDrop.TypedDropHandler<TValue> onEvent)	Adds a drop for the given filetype.
<TValue, TTransfer extends Transfer> StructuredDrop.TypeMapper<TValue>	add(TTransfer transfer, BiFunction<TTransfer,DropTargetEvent,TValue> valueGetter, StructuredDrop.TypedDropHandler<TValue> onEvent)	Adds a drop for the given transfer.
StructuredDrop.TypeMapper<ImmutableList<File>>	addFile(StructuredDrop.TypedDropHandler<ImmutableList<File>> onEvent)	Adds the ability to drop files.
StructuredDrop.TypeMapper<String>	addText(StructuredDrop.TypedDropHandler<String> onEvent)	Adds the ability to drop text.
void	applyTo(Control control)
void	applyTo(Control... controls)
StructuredDrop.Listener	getListener()
static <T> StructuredDrop.TypedDropHandler<T>	handler(DndOp op, BiConsumer<DropTargetEvent,T> onValue)
static <T> StructuredDrop.TypedDropHandler<T>	handler(DndOp op, Consumer<T> onValue)
boolean	hasHandlerFor(Transfer transfer)	Returns true if it contains a handler for this transfer type.
static Transfer	preferDropTransfer(DropTargetEvent event, Transfer[] preferreds)	Sets event.currentDataType to the most preferred possible.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

StructuredDrop

public StructuredDrop()

Method Details

hasHandlerFor

public boolean hasHandlerFor(Transfer transfer)

Returns true if it contains a handler for this transfer type.

add

public <TValue,
TTransfer extends Transfer>
StructuredDrop.TypeMapper<TValue> add(TTransfer transfer,
 BiFunction<TTransfer,DropTargetEvent,TValue> valueGetter,
 StructuredDrop.TypedDropHandler<TValue> onEvent)

Adds a drop for the given transfer.

add

public <TValue> StructuredDrop.TypeMapper<TValue> add(TypedTransfer<TValue> transfer,
 StructuredDrop.TypedDropHandler<TValue> onEvent)

Adds a drop for the given filetype.

addText

public StructuredDrop.TypeMapper<String> addText(StructuredDrop.TypedDropHandler<String> onEvent)

Adds the ability to drop text.

addFile

public StructuredDrop.TypeMapper<ImmutableList<File>> addFile(StructuredDrop.TypedDropHandler<ImmutableList<File>> onEvent)

Adds the ability to drop files.

getListener

public StructuredDrop.Listener getListener()

applyTo

public void applyTo(Control control)

applyTo

public void applyTo(Control... controls)

preferDropTransfer

public static Transfer preferDropTransfer(DropTargetEvent event,
 Transfer[] preferreds)

Sets event.currentDataType to the most preferred possible. Returns the Transfer that was actually used.

handler

public static <T>
StructuredDrop.TypedDropHandler<T> handler(DndOp op,
 Consumer<T> onValue)

handler

public static <T>
StructuredDrop.TypedDropHandler<T> handler(DndOp op,
 BiConsumer<DropTargetEvent,T> onValue)