com.google.gwt.visualization.client
Class AbstractVisualization<E extends AbstractDrawOptions>

java.lang.Object
  com.google.gwt.user.client.ui.UIObject
      com.google.gwt.user.client.ui.Widget
          com.google.gwt.user.client.ui.Composite
              com.google.gwt.visualization.client.AbstractVisualization<E>

Type Parameters:

E - The draw options class.

All Implemented Interfaces:

com.google.gwt.event.shared.HasHandlers, com.google.gwt.user.client.EventListener

public abstract class AbstractVisualization<E extends AbstractDrawOptions>
extends com.google.gwt.user.client.ui.Composite

AbstractVisualization implementations can draw a visualization. This class is implemented to write visualizations in GWT and export them to JavaScript.

Nested Class Summary

static interface

AbstractVisualization.VisualizationFactory This interface is implemented by a factory class that can create visualizations.

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

protected com.google.gwt.core.client.JavaScriptObject

jsVisualization The javascript visualization is used to wrap the GWT visualization.

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

DEBUG_ID_PREFIX

Constructor Summary

AbstractVisualization()

Method Summary

abstract void	draw(AbstractDataTable data, E options) Draw the visualization.
void	fireSelectionEvent() Fires an event to notify the selection event listeners.
com.google.gwt.core.client.JavaScriptObject	getJso() Note: calling this method should not usually be necessary except by subclasses.
static void	registerVisualization(java.lang.String name, AbstractVisualization.VisualizationFactory factory) This function makes the GWT class available in JavaScript.

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

getWidget, initWidget, isAttached, onAttach, onBrowserEvent, onDetach, setWidget

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

addDomHandler, addHandler, delegateEvent, doAttachChildren, doDetachChildren, fireEvent, getHandlerCount, getLayoutData, getParent, isOrWasAttached, onLoad, 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, 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

Field Detail

jsVisualization

protected com.google.gwt.core.client.JavaScriptObject jsVisualization

The javascript visualization is used to wrap the GWT visualization.

Constructor Detail

AbstractVisualization

public AbstractVisualization()

Method Detail

registerVisualization

public static final void registerVisualization(java.lang.String name,
                                               AbstractVisualization.VisualizationFactory factory)

This function makes the GWT class available in JavaScript.

Parameters:

name - JavaScript name of the class.

factory - Factory object that instantiates the visualization

draw

public abstract void draw(AbstractDataTable data,
                          E options)

Draw the visualization.

Parameters:

data - the DataTable to draw.

options - the options for drawing the visualization.

fireSelectionEvent

public void fireSelectionEvent()

Fires an event to notify the selection event listeners.

getJso

public com.google.gwt.core.client.JavaScriptObject getJso()

Note: calling this method should not usually be necessary except by subclasses. If you need to call it, make sure you know what you're doing.

Returns:

The underlying JavaScriptObject representing the JavaScript implementation of the visualization.