org.opencms.gwt.client.util

类 CmsScrollToBottomHandler

java.lang.Object

org.opencms.gwt.client.util.CmsScrollToBottomHandler

所有已实现的接口:

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

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

Scroll handler which executes an action when the user has scrolled to the bottom.

从以下版本开始:

8.0.0

字段概要

字段

限定符和类型	字段和说明
static int	DEFAULT_SCROLL_THRESHOLD If the lower edge of the content being scrolled is at most this many pixels below the lower edge of the scrolling viewport, the action is triggered.
protected boolean	m_enabled An internal flag that, if false, prevents the scroll action from being executed.

构造器概要

构造器

构造器和说明
CmsScrollToBottomHandler(java.lang.Runnable callback) Constructs a new scroll handler.
CmsScrollToBottomHandler(java.lang.Runnable callback, int scrollThreshold) Constructs a new scroll handler with a custom scroll threshold.

方法概要

方法

限定符和类型	方法和说明
void	onScroll(com.google.gwt.event.dom.client.ScrollEvent event)

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

DEFAULT_SCROLL_THRESHOLD

public static final int DEFAULT_SCROLL_THRESHOLD

If the lower edge of the content being scrolled is at most this many pixels below the lower edge of the scrolling viewport, the action is triggered.

另请参阅:

常量字段值

m_enabled

protected boolean m_enabled

An internal flag that, if false, prevents the scroll action from being executed.

构造器详细资料

CmsScrollToBottomHandler

public CmsScrollToBottomHandler(java.lang.Runnable callback)

Constructs a new scroll handler.

参数:

callback - the action which should be executed when the user scrolls to the bottom.

CmsScrollToBottomHandler

public CmsScrollToBottomHandler(java.lang.Runnable callback,
                        int scrollThreshold)

Constructs a new scroll handler with a custom scroll threshold. The scroll threshold is the distance from the bottom edge of the scrolled content such that when the distance from the bottom edge of the scroll viewport to the bottom edge of the scrolled content becomes lower than the distance, the scroll action is triggered.

参数:

callback - the action which should be executed when the user scrolls to the bottom.

scrollThreshold - the scroll threshold

方法详细资料

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)