org.opencms.ade.galleries.client.ui

类 CmsResultsBackwardsScrollHandler

java.lang.Object

org.opencms.ade.galleries.client.ui.CmsResultsBackwardsScrollHandler

所有已实现的接口:

com.google.gwt.event.dom.client.ScrollHandler, com.google.gwt.event.shared.EventHandler

public class CmsResultsBackwardsScrollHandler
extends java.lang.Object
implements com.google.gwt.event.dom.client.ScrollHandler

Scroll handler class which loads more items in the front of the search result list when the user scrolls to the top.

字段概要

字段

限定符和类型	字段和说明
protected boolean	m_enabled Flag used to temporarily disable the scroll handler.
protected int	m_firstShownPage The index of the first shown page.
protected int	m_pageSize The number of results per page.
protected java.util.List<CmsResultItemBean>	m_resultBeans The list of search result beans.
protected CmsResultsTab	m_resultsTab The search results tab.
protected CmsGallerySearchBean	m_searchBean The search bean.
static int	SCROLL_THRESHOLD The scroll threshold in pixels.

构造器概要

构造器

构造器和说明
CmsResultsBackwardsScrollHandler(CmsResultsTab resultsTab) Creates a new handler instance for a given results tab.

方法概要

方法

限定符和类型	方法和说明
boolean	hasMore() Checks whether more items can be loaded at the front of the list.
protected void	loadPage(int pageNum) Loads a page with a given index.
protected void	loadPreviousPage() Loads the page before the first shown page.
void	onScroll(com.google.gwt.event.dom.client.ScrollEvent event)
void	updateSearchBean(CmsGallerySearchBean searchBean) Updates the handler with a new search bean.

从类继承的方法 java.lang.Object

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

字段详细资料

SCROLL_THRESHOLD

public static final int SCROLL_THRESHOLD

The scroll threshold in pixels.

另请参阅:

常量字段值

m_enabled

protected boolean m_enabled

Flag used to temporarily disable the scroll handler.

m_firstShownPage

protected int m_firstShownPage

The index of the first shown page.

m_pageSize

protected int m_pageSize

The number of results per page.

m_resultBeans

protected java.util.List<CmsResultItemBean> m_resultBeans

The list of search result beans.

m_resultsTab

protected CmsResultsTab m_resultsTab

The search results tab.

m_searchBean

protected CmsGallerySearchBean m_searchBean

The search bean.

构造器详细资料

CmsResultsBackwardsScrollHandler

public CmsResultsBackwardsScrollHandler(CmsResultsTab resultsTab)

Creates a new handler instance for a given results tab.

参数:

resultsTab - the results tab for which to create the handler

方法详细资料

hasMore

public boolean hasMore()

Checks whether more items can be loaded at the front of the list.

返回:

true if more items can be loaded at the front of the list

onScroll

public void onScroll(com.google.gwt.event.dom.client.ScrollEvent event)

指定者:

onScroll 在接口中 com.google.gwt.event.dom.client.ScrollHandler

另请参阅:

ScrollHandler.onScroll(com.google.gwt.event.dom.client.ScrollEvent)

updateSearchBean

public void updateSearchBean(CmsGallerySearchBean searchBean)

Updates the handler with a new search bean.

参数:

searchBean - the search bean

loadPage

protected void loadPage(int pageNum)

Loads a page with a given index.

参数:

pageNum - the index of the page to load

loadPreviousPage

protected void loadPreviousPage()

Loads the page before the first shown page.