org.cruxframework.crux.core.client.datasource.pager

Class AbstractPageable<T>

java.lang.Object

com.google.gwt.user.client.ui.UIObject

com.google.gwt.user.client.ui.Widget

com.google.gwt.user.client.ui.Composite

org.cruxframework.crux.core.client.datasource.pager.AbstractPageable<T>

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, HasDataSource<PagedDataSource<T>>, Pageable<PagedDataSource<T>>

public abstract class AbstractPageable<T>
extends com.google.gwt.user.client.ui.Composite
implements Pageable<PagedDataSource<T>>

Base implementation for Pageable widgets

Author:

Thiago da Rosa de Bustamante

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	AbstractPageable.Renderer<T> Define a rederer, called when a record from datasource needs to be renderer by this widget

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

Modifier and Type	Field and Description
protected PagedDataSource<T>	dataSource
protected boolean	loaded
protected Pager	pager
protected int	pageSize
protected AbstractPageable.Renderer<T>	renderer

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

DEBUG_ID_PREFIX

Constructor Summary

Constructors

Constructor and Description
AbstractPageable()

Method Summary

Methods

Modifier and Type	Method and Description
PagedDataSource<T>	getDataSource()
int	getPageCount() Return the total number of pages
int	getPageSize()
protected abstract AbstractPageable.Renderer<T>	getRenderer()
void	goToPage(int page) Moves the pageable's cursor to an arbitrary page
boolean	isDataLoaded() Checks if pageable data is already available
void	loadData()
void	nextPage() Moves the pageable's cursor to the next page
void	previousPage() Moves the pageable's cursor to the previous page
protected void	render()
void	reset()
void	reset(boolean reloadData)
void	setDataSource(PagedDataSource<T> dataSource, boolean autoLoadData)
void	setPager(Pager pager) Sets the pager for call back
void	setPageSize(int pageSize)
protected void	updatePager()

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

claimElement, getWidget, initializeClaimedElement, initWidget, isAttached, onAttach, onBrowserEvent, onDetach, render, render, resolvePotentialElement, setWidget

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

Methods inherited from interface com.google.gwt.user.client.ui.IsWidget

asWidget

Field Detail

pager

protected Pager pager

dataSource

protected PagedDataSource<T> dataSource

pageSize

protected int pageSize

loaded

protected boolean loaded

renderer

protected AbstractPageable.Renderer<T> renderer

Constructor Detail

AbstractPageable

public AbstractPageable()

Method Detail

getPageSize

public int getPageSize()

setPageSize

public void setPageSize(int pageSize)

nextPage

public void nextPage()

Description copied from interface: Pageable

Moves the pageable's cursor to the next page

Specified by:

nextPage in interface Pageable<PagedDataSource<T>>

previousPage

public void previousPage()

Description copied from interface: Pageable

Moves the pageable's cursor to the previous page

Specified by:

previousPage in interface Pageable<PagedDataSource<T>>

getPageCount

public int getPageCount()

Description copied from interface: Pageable

Return the total number of pages

Specified by:

getPageCount in interface Pageable<PagedDataSource<T>>

Returns:

number of pages, -1 if unknown.

setPager

public void setPager(Pager pager)

Description copied from interface: Pageable

Sets the pager for call back

Specified by:

setPager in interface Pageable<PagedDataSource<T>>

goToPage

public void goToPage(int page)

Description copied from interface: Pageable

Moves the pageable's cursor to an arbitrary page

Specified by:

goToPage in interface Pageable<PagedDataSource<T>>

Parameters:

page - page number

getDataSource

public PagedDataSource<T> getDataSource()

Specified by:

getDataSource in interface HasDataSource<PagedDataSource<T>>

setDataSource

public void setDataSource(PagedDataSource<T> dataSource,
                 boolean autoLoadData)

Specified by:

setDataSource in interface HasDataSource<PagedDataSource<T>>

loadData

public void loadData()

isDataLoaded

public boolean isDataLoaded()

Description copied from interface: Pageable

Checks if pageable data is already available

Specified by:

isDataLoaded in interface Pageable<PagedDataSource<T>>

reset

public void reset()

reset

public void reset(boolean reloadData)

render

protected void render()

updatePager

protected void updatePager()

getRenderer

protected abstract AbstractPageable.Renderer<T> getRenderer()