org.vectomatic.client.rep.view
Class DrawingView

java.lang.Object
  com.google.gwt.user.client.ui.UIObject
      com.google.gwt.user.client.ui.Widget
          com.google.gwt.user.client.ui.FocusWidget
              com.gwt.components.client.Canvas
                  org.vectomatic.client.rep.view.DrawingView

All Implemented Interfaces:

com.google.gwt.event.dom.client.HasAllFocusHandlers, com.google.gwt.event.dom.client.HasAllKeyHandlers, com.google.gwt.event.dom.client.HasAllMouseHandlers, com.google.gwt.event.dom.client.HasBlurHandlers, com.google.gwt.event.dom.client.HasClickHandlers, com.google.gwt.event.dom.client.HasFocusHandlers, com.google.gwt.event.dom.client.HasKeyDownHandlers, com.google.gwt.event.dom.client.HasKeyPressHandlers, com.google.gwt.event.dom.client.HasKeyUpHandlers, com.google.gwt.event.dom.client.HasMouseDownHandlers, com.google.gwt.event.dom.client.HasMouseMoveHandlers, com.google.gwt.event.dom.client.HasMouseOutHandlers, com.google.gwt.event.dom.client.HasMouseOverHandlers, com.google.gwt.event.dom.client.HasMouseUpHandlers, com.google.gwt.event.dom.client.HasMouseWheelHandlers, com.google.gwt.event.shared.HasHandlers, com.google.gwt.user.client.EventListener, com.google.gwt.user.client.ui.Focusable, com.google.gwt.user.client.ui.HasFocus, com.google.gwt.user.client.ui.SourcesClickEvents, com.google.gwt.user.client.ui.SourcesFocusEvents, com.google.gwt.user.client.ui.SourcesKeyboardEvents, com.google.gwt.user.client.ui.SourcesMouseEvents, com.google.gwt.user.client.ui.SourcesMouseWheelEvents

public class DrawingView
extends Canvas

Class to render the geometry. This is where most of the action occurs. Events are caught and routed the to controllers. Rendering is done.

Nested Class Summary

Nested classes/interfaces inherited from class com.gwt.components.client.Canvas

Canvas.DrawingStyle, Canvas.Gradient, Canvas.LinearGradient, Canvas.Pattern, Canvas.RadialGradient

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject

com.google.gwt.user.client.ui.UIObject.DebugIdImpl, com.google.gwt.user.client.ui.UIObject.DebugIdImplEnabled

Field Summary

Fields inherited from class com.gwt.components.client.Canvas

modifiers

Fields inherited from class com.google.gwt.user.client.ui.UIObject

DEBUG_ID_PREFIX

Constructor Summary

DrawingView(RepresentationController repController, DrawingModel model, int width, int height)

Method Summary

float	convertToReferenceLength(int screenLength) Converts a distance in the screen coordinate system into a distance in the reference coordinate system
IController	getController()
IStyleVisitor	getFillStyleVisitor()
TransformMatrix	getInverseTransform()
PickVisitor	getPicker()
RenderVisitor	getRenderer()
float	getRotation()
Point	getScaling(Point s)
IStyleVisitor	getStrokeStyleVisitor()
TransformMatrix	getTransform()
Point	getTranslation(Point t)
protected void	onLoad()
void	render()
void	reset()
void	setController(IController controller)
void	setCursor(Cursor cursor)
void	setRotation(float r)
void	setScaling(Point s)
void	setTranslation(Point t)
Point	toModelCoordinates(Point p) Converts a point from screen coordinates to model coordinates
Point	toModelCoordinates(Point p, Point dest)
Point	toScreenCoordinates(Point p)
Point	toScreenCoordinates(Point p, Point dest) Converts a point from model coordinates to screen coordinates
protected void	updateTransform()
Point	vectorToRefCoordinates(Point v)
Point	vectorToRefCoordinates(Point v, Point dest)

Methods inherited from class com.gwt.components.client.Canvas

addMouseListener, addMouseWheelListener, arc, arcTo, beginPath, bezierCurveTo, clearRect, clip, closePath, createLinearGradient, createPattern, createRadialGradient, fill, fillRect, getFillStyle, getGlobalAlpha, getGlobalCompositeOperation, getHeight, getLineCap, getLineJoin, getLineWidth, getMiterLimit, getModifiers, getShadowBlur, getShadowColor, getShadowOffsetX, getShadowOffsetY, getStrokeStyle, getWidth, init, isEmulation, isPointInPath, lineTo, moveTo, onBrowserEvent, quadraticCurveTo, rect, removeMouseListener, removeMouseWheelListener, resize, restoreContext, rotate, saveContext, scale, setFillStyle, setFillStyle, setGlobalAlpha, setGlobalCompositeOperation, setHeight, setLineCap, setLineJoin, setLineWidth, setMiterLimit, setShadowBlur, setShadowColor, setShadowOffsetX, setShadowOffsetY, setStrokeStyle, setStrokeStyle, setTransform, setWidth, stroke, strokeRect, transform, translate

Methods inherited from class com.google.gwt.user.client.ui.FocusWidget

addBlurHandler, addClickHandler, addClickListener, addFocusHandler, addFocusListener, addKeyboardListener, addKeyDownHandler, addKeyPressHandler, addKeyUpHandler, addMouseDownHandler, addMouseMoveHandler, addMouseOutHandler, addMouseOverHandler, addMouseUpHandler, addMouseWheelHandler, getFocusImpl, getTabIndex, isEnabled, removeClickListener, removeFocusListener, removeKeyboardListener, setAccessKey, setElement, setEnabled, setFocus, setTabIndex

Methods inherited from class com.google.gwt.user.client.ui.Widget

addDomHandler, addHandler, delegateEvent, doAttachChildren, doDetachChildren, fireEvent, getHandlerCount, getLayoutData, getParent, isAttached, isOrWasAttached, onAttach, onDetach, onUnload, removeFromParent, setLayoutData, sinkEvents

Methods inherited from class com.google.gwt.user.client.ui.UIObject

addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, setElement, setHeight, setPixelSize, setSize, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, toString, unsinkEvents

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.gwt.event.shared.HasHandlers

fireEvent

Constructor Detail

DrawingView

public DrawingView(RepresentationController repController,
                   DrawingModel model,
                   int width,
                   int height)

Method Detail

getRotation

public float getRotation()

setRotation

public void setRotation(float r)

getScaling

public Point getScaling(Point s)

setScaling

public void setScaling(Point s)

getTranslation

public Point getTranslation(Point t)

setTranslation

public void setTranslation(Point t)

getTransform

public TransformMatrix getTransform()

getInverseTransform

public TransformMatrix getInverseTransform()

updateTransform

protected void updateTransform()

reset

public void reset()

render

public void render()

convertToReferenceLength

public float convertToReferenceLength(int screenLength)

Converts a distance in the screen coordinate system into a distance in the reference coordinate system

Parameters:

pixels -

Returns:

vectorToRefCoordinates

public Point vectorToRefCoordinates(Point v)

vectorToRefCoordinates

public Point vectorToRefCoordinates(Point v,
                                    Point dest)

toModelCoordinates

public Point toModelCoordinates(Point p)

Converts a point from screen coordinates to model coordinates

Parameters:

p - The point to transfom (in screen coordinates)

Returns:

The transformed point

toModelCoordinates

public Point toModelCoordinates(Point p,
                                Point dest)

toScreenCoordinates

public Point toScreenCoordinates(Point p)

toScreenCoordinates

public Point toScreenCoordinates(Point p,
                                 Point dest)

Converts a point from model coordinates to screen coordinates

Parameters:

p - The point to transfom (in model coordinates)

Returns:

The transformed point

setCursor

public void setCursor(Cursor cursor)

setController

public void setController(IController controller)

getController

public IController getController()

getRenderer

public RenderVisitor getRenderer()

getPicker

public PickVisitor getPicker()

getStrokeStyleVisitor

public IStyleVisitor getStrokeStyleVisitor()

getFillStyleVisitor

public IStyleVisitor getFillStyleVisitor()

onLoad

protected void onLoad()

Overrides:

onLoad in class com.google.gwt.user.client.ui.Widget