org.vectomatic.svg.edit.client.command

Class DndCommandFactory

java.lang.Object

org.vectomatic.svg.edit.client.command.CommandFactoryBase

org.vectomatic.svg.edit.client.command.DndCommandFactory

All Implemented Interfaces:

com.extjs.gxt.ui.client.data.BeanModelTag, ICommandFactory, EventProcessor, KeyPressProcessor, KeyUpProcessor

public class DndCommandFactory
extends CommandFactoryBase
implements KeyPressProcessor, KeyUpProcessor

Base class for drag and drop command factories

Author:

laaglu

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DndCommandFactory.DropGesture Enum to represent the drop gestures

Field Summary

Fields

Modifier and Type	Field and Description
static IFactoryInstantiator<DndCommandFactory>	INSTANTIATOR

Fields inherited from class org.vectomatic.svg.edit.client.command.CommandFactoryBase

status

Constructor Summary

Constructors

Constructor and Description
DndCommandFactory()

Method Summary

Modifier and Type	Method and Description
IFactoryInstantiator<?>	getInstantiator()
boolean	isValidDropTarget(SVGElementModel element)
boolean	isValidSource(com.extjs.gxt.ui.client.event.DNDEvent event, List<SVGElementModel> sourceElements) Returns true if the drag start event comes from a valid drag source
void	processDragAndDrop(DndCommandFactory.DropGesture dropGesture)
boolean	processKeyPress(com.extjs.gxt.ui.client.event.ComponentEvent event) Processes a key press event
boolean	processKeyUp(com.extjs.gxt.ui.client.event.ComponentEvent event) Processes a key up event
void	start(Object requester) Invoked when the user selects this command factory (through the command toolbar, the context menu, or implicitely by editing a field in the inspector).

Methods inherited from class org.vectomatic.svg.edit.client.command.CommandFactoryBase

getStatus, stop, updateStatus

Methods inherited from class java.lang.Object

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

Field Detail

INSTANTIATOR

public static final IFactoryInstantiator<DndCommandFactory> INSTANTIATOR

Constructor Detail

DndCommandFactory

public DndCommandFactory()

Method Detail

getInstantiator

public IFactoryInstantiator<?> getInstantiator()

Specified by:

getInstantiator in interface ICommandFactory

start

public void start(Object requester)

Description copied from interface: ICommandFactory

Invoked when the user selects this command factory (through the command toolbar, the context menu, or implicitely by editing a field in the inspector).

Specified by:

start in interface ICommandFactory

Overrides:

start in class CommandFactoryBase

Parameters:

requester - The object requesting this command to start

isValidSource

public boolean isValidSource(com.extjs.gxt.ui.client.event.DNDEvent event,
                             List<SVGElementModel> sourceElements)

Returns true if the drag start event comes from a valid drag source

Parameters:

event - a drag start event

Returns:

true if the drag start event comes from a valid drag source

isValidDropTarget

public boolean isValidDropTarget(SVGElementModel element)

processDragAndDrop

public void processDragAndDrop(DndCommandFactory.DropGesture dropGesture)

processKeyPress

public boolean processKeyPress(com.extjs.gxt.ui.client.event.ComponentEvent event)

Description copied from interface: KeyPressProcessor

Processes a key press event

Specified by:

processKeyPress in interface KeyPressProcessor

Returns:

true if the receiver has processed the event, false if processing should be delegated to another object.

processKeyUp

public boolean processKeyUp(com.extjs.gxt.ui.client.event.ComponentEvent event)

Description copied from interface: KeyUpProcessor

Processes a key up event

Specified by:

processKeyUp in interface KeyUpProcessor

Returns:

true if the receiver has processed the event, false if processing should be delegated to another object.