org.kie.workbench.common.stunner.core.client.canvas

Class AbstractCanvas<V extends AbstractCanvas.CanvasView>

java.lang.Object

org.kie.workbench.common.stunner.core.client.canvas.AbstractCanvas<V>

All Implemented Interfaces:

Canvas<Shape>, HasCanvasListeners<CanvasShapeListener>, HasEventHandlers<AbstractCanvas<V>,Shape<?>>

public abstract class AbstractCanvas<V extends AbstractCanvas.CanvasView>
extends Object
implements Canvas<Shape>, HasEventHandlers<AbstractCanvas<V>,Shape<?>>, HasCanvasListeners<CanvasShapeListener>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	AbstractCanvas.CanvasView<C extends AbstractCanvas.CanvasView>
static class	AbstractCanvas.Cursors

Field Summary

Fields

Modifier and Type	Field and Description
protected javax.enterprise.event.Event<CanvasClearEvent>	canvasClearEvent
protected javax.enterprise.event.Event<CanvasDrawnEvent>	canvasDrawnEvent
protected javax.enterprise.event.Event<CanvasFocusedEvent>	canvasFocusedEvent
protected javax.enterprise.event.Event<CanvasShapeAddedEvent>	canvasShapeAddedEvent
protected javax.enterprise.event.Event<CanvasShapeRemovedEvent>	canvasShapeRemovedEvent
protected CanvasGrid	grid
protected List<CanvasShapeListener>	listeners
protected Map<String,Shape>	shapes

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractCanvas(javax.enterprise.event.Event<CanvasClearEvent> canvasClearEvent, javax.enterprise.event.Event<CanvasShapeAddedEvent> canvasShapeAddedEvent, javax.enterprise.event.Event<CanvasShapeRemovedEvent> canvasShapeRemovedEvent, javax.enterprise.event.Event<CanvasDrawnEvent> canvasDrawnEvent, javax.enterprise.event.Event<CanvasFocusedEvent> canvasFocusedEvent)

Method Summary

Modifier and Type	Method and Description
protected abstract void	addChild(Shape shape)
Canvas	addChild(Shape parent, Shape child)
HasCanvasListeners<CanvasShapeListener>	addRegistrationListener(CanvasShapeListener instance)
Canvas	addShape(Shape shape)
Canvas	addShapeIntoView(Shape shape)
protected void	afterDrawCanvas()
AbstractCanvas	clear()
HasCanvasListeners<CanvasShapeListener>	clearRegistrationListeners()
protected void	clearShapes()
protected abstract void	deleteChild(Shape shape)
Canvas	deleteChild(Shape parent, Shape child)
Canvas	deleteShape(Shape shape)
Canvas	deleteShapeFromView(Shape shape)
void	destroy()
Canvas	dock(Shape parent, Shape child)
boolean	equals(Object o)
protected void	fireCanvasClear()
protected void	fireCanvasShapeAdded(Shape shape)
protected void	fireCanvasShapeRemoved(Shape shape)
Point2D	getAbsoluteLocation()
CanvasGrid	getGrid()
int	getHeightPx()
Shape	getShape(String uuid)
Collection<Shape>	getShapes()
Transform	getTransform()
abstract V	getView()
int	getWidthPx()
int	hashCode()
AbstractCanvas<V>	initialize(CanvasPanel panel, CanvasSettings settings)
HasCanvasListeners<CanvasShapeListener>	removeRegistrationListener(CanvasShapeListener instance)
Canvas	setGrid(CanvasGrid grid)
Canvas	undock(Shape target, Shape child)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.kie.workbench.common.stunner.core.client.canvas.Canvas

focus, getShapeAt, onAfterDraw

Methods inherited from interface org.kie.workbench.common.stunner.core.client.shape.view.HasEventHandlers

addHandler, disableHandlers, enableHandlers, getAttachableShape, removeHandler, supports

Field Detail

grid

protected CanvasGrid grid

canvasClearEvent

protected javax.enterprise.event.Event<CanvasClearEvent> canvasClearEvent

canvasShapeAddedEvent

protected javax.enterprise.event.Event<CanvasShapeAddedEvent> canvasShapeAddedEvent

canvasShapeRemovedEvent

protected javax.enterprise.event.Event<CanvasShapeRemovedEvent> canvasShapeRemovedEvent

canvasDrawnEvent

protected javax.enterprise.event.Event<CanvasDrawnEvent> canvasDrawnEvent

canvasFocusedEvent

protected javax.enterprise.event.Event<CanvasFocusedEvent> canvasFocusedEvent

shapes

protected final Map<String,Shape> shapes

listeners

protected final List<CanvasShapeListener> listeners

Constructor Detail

AbstractCanvas

protected AbstractCanvas(javax.enterprise.event.Event<CanvasClearEvent> canvasClearEvent,
                         javax.enterprise.event.Event<CanvasShapeAddedEvent> canvasShapeAddedEvent,
                         javax.enterprise.event.Event<CanvasShapeRemovedEvent> canvasShapeRemovedEvent,
                         javax.enterprise.event.Event<CanvasDrawnEvent> canvasDrawnEvent,
                         javax.enterprise.event.Event<CanvasFocusedEvent> canvasFocusedEvent)

Method Detail

getView

public abstract V getView()

initialize

public AbstractCanvas<V> initialize(CanvasPanel panel,
                                    CanvasSettings settings)

getShapes

public Collection<Shape> getShapes()

Specified by:

getShapes in interface Canvas<Shape>

getShape

public Shape getShape(String uuid)

Specified by:

getShape in interface Canvas<Shape>

addChild

protected abstract void addChild(Shape shape)

addChild

public Canvas addChild(Shape parent,
                       Shape child)

deleteChild

protected abstract void deleteChild(Shape shape)

deleteChild

public Canvas deleteChild(Shape parent,
                          Shape child)

dock

public Canvas dock(Shape parent,
                   Shape child)

undock

public Canvas undock(Shape target,
                     Shape child)

addShape

public Canvas addShape(Shape shape)

Specified by:

addShape in interface Canvas<Shape>

deleteShape

public Canvas deleteShape(Shape shape)

Specified by:

deleteShape in interface Canvas<Shape>

addShapeIntoView

public Canvas addShapeIntoView(Shape shape)

deleteShapeFromView

public Canvas deleteShapeFromView(Shape shape)

clear

public AbstractCanvas clear()

Specified by:

clear in interface Canvas<Shape>

clearShapes

protected void clearShapes()

setGrid

public Canvas setGrid(CanvasGrid grid)

getGrid

public CanvasGrid getGrid()

getAbsoluteLocation

public Point2D getAbsoluteLocation()

getTransform

public Transform getTransform()

Specified by:

getTransform in interface Canvas<Shape>

destroy

public void destroy()

Specified by:

destroy in interface Canvas<Shape>

addRegistrationListener

public HasCanvasListeners<CanvasShapeListener> addRegistrationListener(CanvasShapeListener instance)

Specified by:

addRegistrationListener in interface HasCanvasListeners<CanvasShapeListener>

removeRegistrationListener

public HasCanvasListeners<CanvasShapeListener> removeRegistrationListener(CanvasShapeListener instance)

Specified by:

removeRegistrationListener in interface HasCanvasListeners<CanvasShapeListener>

clearRegistrationListeners

public HasCanvasListeners<CanvasShapeListener> clearRegistrationListeners()

Specified by:

clearRegistrationListeners in interface HasCanvasListeners<CanvasShapeListener>

fireCanvasShapeAdded

protected void fireCanvasShapeAdded(Shape shape)

fireCanvasShapeRemoved

protected void fireCanvasShapeRemoved(Shape shape)

fireCanvasClear

protected void fireCanvasClear()

afterDrawCanvas

protected void afterDrawCanvas()

getWidthPx

public int getWidthPx()

Specified by:

getWidthPx in interface Canvas<Shape>

getHeightPx

public int getHeightPx()

Specified by:

getHeightPx in interface Canvas<Shape>

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object