org.opencms.gwt.client.ui.tree

类 CmsLazyTreeItem

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.opencms.gwt.client.ui.CmsListItem

org.opencms.gwt.client.ui.tree.CmsTreeItem

org.opencms.gwt.client.ui.tree.CmsLazyTreeItem

所有已实现的接口:

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, I_CmsDraggable, I_CmsListItem, I_CmsTruncable

直接已知子类:

CmsSitemapTreeItem

public class CmsLazyTreeItem
extends CmsTreeItem

Tree item for lazily loaded list trees.

从以下版本开始:

8.0.0

嵌套类概要

嵌套类

限定符和类型	类和说明
protected class	CmsLazyTreeItem.LoadingItem Helper tree item which displays a "loading" message.
static class	CmsLazyTreeItem.LoadState Enum for indicating the load state of a tree item.

从类继承的嵌套类/接口 org.opencms.gwt.client.ui.CmsListItem

CmsListItem.MoveHandle

从类继承的嵌套类/接口 com.google.gwt.user.client.ui.UIObject

com.google.gwt.user.client.ui.UIObject.DebugIdImpl, com.google.gwt.user.client.ui.UIObject.DebugIdImplEnabled

字段概要

从类继承的字段 org.opencms.gwt.client.ui.tree.CmsTreeItem

ANIMATION_DURATION, m_children, m_opener

从类继承的字段 org.opencms.gwt.client.ui.CmsListItem

m_checkbox, m_decoratedPanel, m_decorationWidgets, m_decorationWidth, m_id, m_listItemWidget, m_mainWidget, m_panel, m_placeholder, m_provisionalParent

从类继承的字段 com.google.gwt.user.client.ui.UIObject

DEBUG_ID_PREFIX

构造器概要

构造器

构造器和说明
CmsLazyTreeItem(CmsCheckBox checkbox, com.google.gwt.user.client.ui.Widget widget, boolean useLoadItem) Constructs a new lazy tree item with a main widget and a check box.
CmsLazyTreeItem(com.google.gwt.user.client.ui.Widget widget, boolean useLoadItem) Constructs a new lazy tree item with a main widget.

方法概要

方法

限定符和类型	方法和说明
protected com.google.gwt.user.client.ui.Image	getLoadingImage() Returns the loading image.
CmsLazyTreeItem.LoadState	getLoadState() Gets the load state of the tree item.
boolean	isLoaded() Returns if tree item children have been loaded.
protected void	onChangeChildren() Helper method which is called when the list of children changes.
void	onFinishLoading() This method should be called when the item's children have finished loading.
void	onStartLoading() This method is called when the tree item's children start being loaded.

从类继承的方法 org.opencms.gwt.client.ui.tree.CmsTreeItem

add, addChild, adopt, clear, clearChildren, closeAllEmptyChildren, createOpener, executeOpen, fireClose, fireOpen, getChild, getChild, getChildCount, getChildren, getDragHelper, getItemPosition, getLastOpenedItem, getMinusImage, getParentItem, getParentTarget, getPath, getPathLevel, getPlusImage, getTree, hideOpeners, insertChild, insertPlaceholderAsLastChild, isDropEnabled, isOpen, onDragCancel, removeChild, removeChild, removeChild, removeOpener, repositionPlaceholder, setDropEnabled, setLeafStyle, setOpen, setOpen, setParentItem, setTree, showOpeners

从类继承的方法 org.opencms.gwt.client.ui.CmsListItem

addCheckBox, addDecoration, addDecorationWidget, addMainWidget, cloneForPlaceholder, getCheckBox, getData, getDecorationWidgets, getId, getListItemWidget, getMainWidget, getMoveHandle, getParentList, getPlaceholder, initContent, initContent, initContent, initMoveHandle, initMoveHandle, onDrop, onStartDrag, removeDecorationWidget, setData, setId, setSmallView, truncate

从类继承的方法 com.google.gwt.user.client.ui.Composite

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

从类继承的方法 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

从类继承的方法 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

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.opencms.gwt.client.dnd.I_CmsDraggable

getElement

构造器详细资料

CmsLazyTreeItem

public CmsLazyTreeItem(CmsCheckBox checkbox,
               com.google.gwt.user.client.ui.Widget widget,
               boolean useLoadItem)

Constructs a new lazy tree item with a main widget and a check box.

参数:

checkbox - the check box

widget - the main widget

useLoadItem - true to show a load item while children are being loaded

CmsLazyTreeItem

public CmsLazyTreeItem(com.google.gwt.user.client.ui.Widget widget,
               boolean useLoadItem)

Constructs a new lazy tree item with a main widget.

参数:

widget - the main widget

useLoadItem - true to show a load item while children are being loaded

方法详细资料

getLoadState

public CmsLazyTreeItem.LoadState getLoadState()

Gets the load state of the tree item.

返回:

a load state

isLoaded

public boolean isLoaded()

Returns if tree item children have been loaded.

返回:

true if tree item children have been loaded

onFinishLoading

public void onFinishLoading()

This method should be called when the item's children have finished loading.

onStartLoading

public void onStartLoading()

This method is called when the tree item's children start being loaded.

getLoadingImage

protected com.google.gwt.user.client.ui.Image getLoadingImage()

Returns the loading image.

返回:

the loading image

onChangeChildren

protected void onChangeChildren()

从类复制的说明: CmsTreeItem

Helper method which is called when the list of children changes.

覆盖:

onChangeChildren 在类中 CmsTreeItem

另请参阅:

CmsTreeItem.onChangeChildren()