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

Class AbstractCanvas<V extends AbstractCanvas.View>

java.lang.Object

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

All Implemented Interfaces:

Canvas<Shape>, HasCanvasListeners<CanvasShapeListener>

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

For Lienzo's based Canvas.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractCanvas.Cursors
static interface	AbstractCanvas.View<P>

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 Layer	layer
protected List<CanvasShapeListener>	listeners
protected List<Shape>	shapes
protected V	view

Constructor Summary

Constructors

Constructor and Description
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, Layer layer, V view)

Method Summary

Modifier and Type	Method and Description
Canvas	addChildShape(Shape parent, Shape child)
abstract void	addControl(com.google.gwt.user.client.ui.IsWidget controlView)
HasCanvasListeners<CanvasShapeListener>	addRegistrationListener(CanvasShapeListener instance)
Canvas	addShape(Shape shape)
Canvas	addTransientShape(Shape shape)
protected void	afterDrawCanvas()
AbstractCanvas	clear()
HasCanvasListeners<CanvasShapeListener>	clearRegistrationListeners()
Canvas	deleteChildShape(Shape parent, Shape child)
abstract void	deleteControl(com.google.gwt.user.client.ui.IsWidget controlView)
Canvas	deleteShape(Shape shape)
Canvas	deleteTransientShape(Shape shape)
void	destroy()
Canvas	dock(Shape parent, Shape child)
AbstractCanvas	draw()
boolean	equals(Object o)
protected void	fireCanvasClear()
protected void	fireCanvasShapeAdded(Shape shape)
protected void	fireCanvasShapeRemoved(Shape shape)
double	getAbsoluteX()
double	getAbsoluteY()
CanvasGrid	getGrid()
int	getHeight()
Layer	getLayer()
Shape	getShape(String uuid)
List<Shape>	getShapes()
V	getView()
int	getWidth()
int	hashCode()
void	loadingCompleted()
void	loadingStarted()
HasCanvasListeners<CanvasShapeListener>	removeRegistrationListener(CanvasShapeListener instance)
Canvas	setGrid(CanvasGrid grid)
void	setLoadingObserverCallback(CanvasLoadingObserver.Callback loadingObserverCallback)
protected <P> void	show(P panel, int width, int height, Layer layer)
Canvas	undock(Shape targetDockShape, Shape childParent, 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

getShapeAt, initialize

Field Detail

layer

protected Layer layer

view

protected V extends AbstractCanvas.View view

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 List<Shape> shapes

listeners

protected final List<CanvasShapeListener> listeners

Constructor Detail

AbstractCanvas

@Inject
public 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,
                              Layer layer,
                              V view)

Method Detail

show

protected <P> void show(P panel,
                        int width,
                        int height,
                        Layer layer)

addControl

public abstract void addControl(com.google.gwt.user.client.ui.IsWidget controlView)

deleteControl

public abstract void deleteControl(com.google.gwt.user.client.ui.IsWidget controlView)

getShapes

public List<Shape> getShapes()

Specified by:

getShapes in interface Canvas<Shape>

getShape

public Shape getShape(String uuid)

Specified by:

getShape in interface Canvas<Shape>

addChildShape

public Canvas addChildShape(Shape parent,
                            Shape child)

deleteChildShape

public Canvas deleteChildShape(Shape parent,
                               Shape child)

dock

public Canvas dock(Shape parent,
                   Shape child)

undock

public Canvas undock(Shape targetDockShape,
                     Shape childParent,
                     Shape child)

addShape

public Canvas addShape(Shape shape)

Specified by:

addShape in interface Canvas<Shape>

addTransientShape

public Canvas addTransientShape(Shape shape)

getAbsoluteX

public double getAbsoluteX()

getAbsoluteY

public double getAbsoluteY()

setGrid

public Canvas setGrid(CanvasGrid grid)

getGrid

public CanvasGrid getGrid()

getLayer

public Layer getLayer()

Specified by:

getLayer in interface Canvas<Shape>

deleteShape

public Canvas deleteShape(Shape shape)

Specified by:

deleteShape in interface Canvas<Shape>

deleteTransientShape

public Canvas deleteTransientShape(Shape shape)

draw

public AbstractCanvas draw()

Specified by:

draw in interface Canvas<Shape>

clear

public AbstractCanvas clear()

Specified by:

clear 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()

getWidth

public int getWidth()

Specified by:

getWidth in interface Canvas<Shape>

getHeight

public int getHeight()

Specified by:

getHeight in interface Canvas<Shape>

getView

public V getView()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

setLoadingObserverCallback

public void setLoadingObserverCallback(CanvasLoadingObserver.Callback loadingObserverCallback)

loadingStarted

public void loadingStarted()

loadingCompleted

public void loadingCompleted()