com.bradrydzewski.gwt.calendar.client
Class InteractiveWidget

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.bradrydzewski.gwt.calendar.client.InteractiveWidget

All Implemented Interfaces:

com.google.gwt.event.logical.shared.HasAttachHandlers, com.google.gwt.event.shared.HasHandlers, com.google.gwt.user.client.EventListener, com.google.gwt.user.client.ui.HasVisibility, com.google.gwt.user.client.ui.IsRenderable, com.google.gwt.user.client.ui.IsWidget

Direct Known Subclasses:

CalendarWidget

public abstract class InteractiveWidget
extends com.google.gwt.user.client.ui.Composite

Abstract class for widgets that react to keystrokes and mouse gestures providing a centralized place for the association between user inputs and the logic to perform. Subclasses will implement the onXXXKeyPressed, onMouseDown and onDoubleClick methods to provide the custom event processing logic.

Author:

Brad Rydzewski

Nested Class Summary

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.user.client.ui.FlowPanel

rootPanel Main panel hold all other components.

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

DEBUG_ID_PREFIX

Constructor Summary

InteractiveWidget()

Method Summary

com.google.gwt.user.client.ui.ComplexPanel	getRootPanel()
protected void	keyboardNavigation(int key) Dispatches the processing of a key being pressed to the this widget onXXXXKeyPressed methods.
void	onBrowserEvent(com.google.gwt.user.client.Event event)
abstract void	onDeleteKeyPressed() Processes com.google.gwt.event.dom.client.KeyCodes.KEY_DELETE keystrokes.
abstract void	onDoubleClick(com.google.gwt.user.client.Element element, com.google.gwt.user.client.Event event) Processes mouse double-click events.
abstract void	onDownArrowKeyPressed() Processes com.google.gwt.event.dom.client.KeyCodes.KEY_DOWN keystrokes.
abstract void	onLeftArrowKeyPressed() Processes com.google.gwt.event.dom.client.KeyCodes.KEY_LEFT keystrokes.
abstract void	onMouseDown(com.google.gwt.user.client.Element element, com.google.gwt.user.client.Event event) Processes mouse button pressing events.
abstract void	onMouseOver(com.google.gwt.user.client.Element element, com.google.gwt.user.client.Event event) Processes mouse over events.
abstract void	onRightArrowKeyPressed() Processes com.google.gwt.event.dom.client.KeyCodes.KEY_RIGHT keystrokes.
abstract void	onUpArrowKeyPressed() Processes com.google.gwt.event.dom.client.KeyCodes.KEY_UP keystrokes.

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

getWidget, initWidget, isAttached, onAttach, onDetach, performDetachedInitialization, render, render, resolvePotentialElement, setWidget, wrapElement

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

addAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, 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, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, sinkBitlessEvent, toString, unsinkEvents

Methods inherited from class java.lang.Object

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

Field Detail

rootPanel

protected com.google.gwt.user.client.ui.FlowPanel rootPanel

Main panel hold all other components.

Constructor Detail

InteractiveWidget

public InteractiveWidget()

Method Detail

getRootPanel

public com.google.gwt.user.client.ui.ComplexPanel getRootPanel()

onDoubleClick

public abstract void onDoubleClick(com.google.gwt.user.client.Element element,
                                   com.google.gwt.user.client.Event event)

Processes mouse double-click events. Concrete interactive widgets should provide the component's specific logic.

Parameters:

element - The HTML DOM element that originated the event

onMouseOver

public abstract void onMouseOver(com.google.gwt.user.client.Element element,
                                 com.google.gwt.user.client.Event event)

Processes mouse over events. Concrete interactive widgets should provide the component's specific logic.

Parameters:

element - The HTML DOM element that originated the event

event - The HTML DOM event that was triggered

onMouseDown

public abstract void onMouseDown(com.google.gwt.user.client.Element element,
                                 com.google.gwt.user.client.Event event)

Processes mouse button pressing events. Concrete interactive widgets should provide the component's specific logic.

Parameters:

element - The HTML DOM element that originated the event

onDeleteKeyPressed

public abstract void onDeleteKeyPressed()

Processes com.google.gwt.event.dom.client.KeyCodes.KEY_DELETE keystrokes. Concrete interactive widgets should provide the component's specific logic.

onUpArrowKeyPressed

public abstract void onUpArrowKeyPressed()

Processes com.google.gwt.event.dom.client.KeyCodes.KEY_UP keystrokes. Concrete interactive widgets should provide the component's specific logic.

onDownArrowKeyPressed

public abstract void onDownArrowKeyPressed()

Processes com.google.gwt.event.dom.client.KeyCodes.KEY_DOWN keystrokes. Concrete interactive widgets should provide the component's specific logic.

onLeftArrowKeyPressed

public abstract void onLeftArrowKeyPressed()

Processes com.google.gwt.event.dom.client.KeyCodes.KEY_LEFT keystrokes. Concrete interactive widgets should provide the component's specific logic.

onRightArrowKeyPressed

public abstract void onRightArrowKeyPressed()

Processes com.google.gwt.event.dom.client.KeyCodes.KEY_RIGHT keystrokes. Concrete interactive widgets should provide the component's specific logic.

onBrowserEvent

public void onBrowserEvent(com.google.gwt.user.client.Event event)

Specified by:

onBrowserEvent in interface com.google.gwt.user.client.EventListener

Overrides:

onBrowserEvent in class com.google.gwt.user.client.ui.Composite

keyboardNavigation

protected void keyboardNavigation(int key)

Dispatches the processing of a key being pressed to the this widget onXXXXKeyPressed methods.

Parameters:

key - Pressed key code