org.opencms.gwt.client.util

类 CmsDomUtil

java.lang.Object

org.opencms.gwt.client.util.CmsDomUtil

public final class CmsDomUtil
extends java.lang.Object

Utility class to access the HTML DOM.

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
static class	CmsDomUtil.Attribute HTML tag attributes.
static class	CmsDomUtil.AttributeValue Helper class to encapsulate an attribute/value pair.
static class	CmsDomUtil.Color CSS Colors.
static class	CmsDomUtil.Entity HTML entities.
static class	CmsDomUtil.Method Form methods.
static class	CmsDomUtil.Style CSS Properties.
static class	CmsDomUtil.StyleValue CSS Property values.
static class	CmsDomUtil.Tag HTML Tags.
static class	CmsDomUtil.Target Enumeration of link/form targets.

方法概要

方法

限定符和类型	方法和说明
static void	addDisablingOverlay(com.google.gwt.dom.client.Element element) Adds an overlay div to the element.
static boolean	checkPositionInside(com.google.gwt.dom.client.Element element, int x, int y) Returns if the given client position is over the given element.
static void	clearOpacity(com.google.gwt.dom.client.Element element) Removes the opacity attribute from the element's inline-style.
static com.google.gwt.dom.client.Element	clone(com.google.gwt.dom.client.Element element) Clones the given element.
static java.lang.String	close(CmsDomUtil.Tag tag) Generates a closing tag.
static com.google.gwt.dom.client.Element	createElement(java.lang.String html) This method will create an Element for the given HTML.
static java.lang.String	createFaceHtml(java.lang.String text, java.lang.String imageClass, com.google.gwt.user.client.ui.HasHorizontalAlignment.HorizontalAlignmentConstant align) Convenience method to assemble the HTML to use for a button face.
static com.google.gwt.dom.client.Element	createIFrameElement(java.lang.String name) Creates an iFrame element with the given name attribute.
static java.lang.String	enclose(CmsDomUtil.Tag tag, java.lang.String text, CmsDomUtil.AttributeValue... attrs) Encloses the given text with the given tag.
static void	ensureJavaScriptIncluded(java.lang.String javascriptLink) Ensures a script tag is present within the window document context.
static void	ensureMouseOut(com.google.gwt.dom.client.Element element) Triggers a mouse-out event for the given element.
static void	ensureMouseOut(com.google.gwt.event.shared.HasHandlers target) Triggers a mouse-out event for the given target.
static void	ensureMouseOver(com.google.gwt.dom.client.Element element) Triggers a mouse-over event for the given element.
static void	ensureStyleSheetIncluded(java.lang.String styleSheetLink) Checks the window.document for given style-sheet and includes it if required.
static void	ensureVisible(com.google.gwt.dom.client.Element containerElement, com.google.gwt.dom.client.Element element, int animationTime) Ensures that the given element is visible.
static void	fireFocusEvent(com.google.gwt.user.client.ui.Widget widget) Fires a focus event for the given widget.
static void	fixFlashZindex(com.google.gwt.dom.client.Element element) Ensures any embedded flash players are set opaque so UI elements may be placed above them.
static com.google.gwt.dom.client.FormElement	generateHiddenForm(java.lang.String action, CmsDomUtil.Method method, CmsDomUtil.Target target, java.util.Map<java.lang.String,java.lang.String> values) Generates a form element with hidden input fields.
static com.google.gwt.dom.client.FormElement	generateHiddenForm(java.lang.String action, CmsDomUtil.Method method, java.lang.String target, java.util.Map<java.lang.String,java.lang.String> values) Generates a form element with hidden input fields.
static com.google.gwt.dom.client.Element	getAncestor(com.google.gwt.dom.client.Element element, CmsDomUtil.Tag tag) Returns the given element or it's closest ancestor with the given tag name.
static com.google.gwt.dom.client.Element	getAncestor(com.google.gwt.dom.client.Element element, CmsDomUtil.Tag tag, java.lang.String className) Returns the given element or it's closest ancestor with the given tag and class.
static com.google.gwt.dom.client.Element	getAncestor(com.google.gwt.dom.client.Element element, java.lang.String className) Returns the given element or it's closest ancestor with the given class.
static java.lang.String	getCurrentStyle(com.google.gwt.dom.client.Element element, CmsDomUtil.Style style) Returns the computed style of the given element.
static double	getCurrentStyleFloat(com.google.gwt.dom.client.Element element, CmsDomUtil.Style style) Returns the computed style of the given element as floating point number.
static int	getCurrentStyleInt(com.google.gwt.dom.client.Element element, CmsDomUtil.Style style) Returns the computed style of the given element as number.
static CmsPositionBean	getEditablePosition(com.google.gwt.dom.client.Element editable) Determines the position of the list collector editable content.
static java.lang.String	getEffectiveBackgroundColor(com.google.gwt.dom.client.Element element) Utility method to determine the effective background color.
static java.util.List<com.google.gwt.dom.client.Element>	getElementsByClass(java.lang.String className) Returns all elements from the DOM with the given CSS class.
static java.util.List<com.google.gwt.dom.client.Element>	getElementsByClass(java.lang.String className, CmsDomUtil.Tag tag) Returns all elements from the DOM with the given CSS class and tag name.
static java.util.List<com.google.gwt.dom.client.Element>	getElementsByClass(java.lang.String className, CmsDomUtil.Tag tag, com.google.gwt.dom.client.Element rootElement) Returns all elements with the given CSS class and tag name including the root element.
static java.util.List<com.google.gwt.dom.client.Element>	getElementsByClass(java.lang.String className, com.google.gwt.dom.client.Element rootElement) Returns all elements with the given CSS class including the root element.
static int	getPosition(com.google.gwt.dom.client.Element e) Returns the element position relative to its siblings.
static com.google.gwt.dom.client.Element	getPositioningParent(com.google.gwt.dom.client.Element child) Returns the next ancestor to the element with an absolute, fixed or relative position.
static int	getRelativeX(int x, com.google.gwt.dom.client.Element target) Gets the horizontal position of the given x-coordinate relative to a given element.
static int	getRelativeY(int y, com.google.gwt.dom.client.Element target) Gets the vertical position of the given y-coordinate relative to a given element.
static com.google.gwt.core.client.JavaScriptObject	getWindow() Returns the DOM window object.
static java.lang.String	getZIndex(com.google.gwt.dom.client.Style style) Returns the Z index from the given style.
static boolean	hasBackground(com.google.gwt.dom.client.Element element) Utility method to determine if the given element has a set background.
static boolean	hasBackgroundImage(com.google.gwt.dom.client.Element element) Utility method to determine if the given element has a set background image.
static boolean	hasBorder(com.google.gwt.dom.client.Element element) Utility method to determine if the given element has a set border.
static boolean	hasClass(java.lang.String className, com.google.gwt.dom.client.Element element) Indicates if the given element has a CSS class.
static boolean	hasDimension(com.google.gwt.dom.client.Element element) Returns if the given element has any dimension.
static boolean	isJavaScriptPresent(java.lang.String javascriptLink) Checks whether a given script resource is present within the window context.
static void	makeScrollable(com.google.gwt.dom.client.Element elem) Gives an element the overflow:auto property.
static void	makeScrollable(com.google.gwt.user.client.ui.Widget widget) Gives the element of a widget the overflow:auto property.
static java.lang.String	messagePopupBlocked() Message accessor.
static java.lang.String	messagePopupBlockedTitle() Message accessor.
static java.lang.String	open(CmsDomUtil.Tag tag, CmsDomUtil.AttributeValue... attrs) Generates an opening tag.
static void	openWindow(java.lang.String url, java.lang.String name, java.lang.String features) Opens a new browser window.
static com.google.gwt.core.client.JavaScriptObject	parseJSON(java.lang.String jsonString) Parses the given string into a JSON object.
static void	positionElement(com.google.gwt.dom.client.Element elem, com.google.gwt.dom.client.Element referenceElement, int dx, int dy) Positions an element in the DOM relative to another element.
static int	positionElementInside(com.google.gwt.dom.client.Element element, com.google.gwt.dom.client.Element parent, int currentIndex, int x, int y) Positions an element inside the given parent, reordering the content of the parent and returns the new position index.
static void	removeDisablingOverlay(com.google.gwt.dom.client.Element element) Removes any present overlay from the element and it's children.
static com.google.gwt.dom.client.Element	removeScriptTags(com.google.gwt.dom.client.Element element) Removes all script tags from the given element.
static java.lang.String	removeScriptTags(java.lang.String source) Removes all script tags from the given string.
static void	resizeAncestor(com.google.gwt.user.client.ui.Widget parent) Calls I_DescendantResizeHandler.onResizeDescendant() on the closest resizable ancestor.
static void	setAttribute(com.google.gwt.core.client.JavaScriptObject jso, java.lang.String key, com.google.gwt.core.client.JavaScriptObject value) Sets an attribute on a Javascript object.
static void	setAttribute(com.google.gwt.core.client.JavaScriptObject jso, java.lang.String key, java.lang.String value) Sets an attribute on a Javascript object.
static void	showOverlay(com.google.gwt.dom.client.Element element, boolean show) Sets a CSS class to show or hide a given overlay.
static void	showPopupBlockerMessage() Shows a message that a popup was blocked.
static java.lang.String	stripHtml(java.lang.String html) Returns the text content to any HTML.
static com.google.gwt.user.client.ui.FlowPanel	wrapScrollable(com.google.gwt.user.client.ui.Widget widget) Wraps a widget in a scrollable FlowPanel.

从类继承的方法 java.lang.Object

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

方法详细资料

addDisablingOverlay

public static void addDisablingOverlay(com.google.gwt.dom.client.Element element)

Adds an overlay div to the element.

参数:

element - the element

checkPositionInside

public static boolean checkPositionInside(com.google.gwt.dom.client.Element element,
                          int x,
                          int y)

Returns if the given client position is over the given element.

Use -1 for x or y to ignore one ordering orientation.

参数:

element - the element

x - the client x position, use -1 to ignore x position

y - the client y position, use -1 to ignore y position

返回:

true if the given position is over the given element

clearOpacity

public static void clearOpacity(com.google.gwt.dom.client.Element element)

Removes the opacity attribute from the element's inline-style.

参数:

element - the DOM element to manipulate

clone

public static com.google.gwt.dom.client.Element clone(com.google.gwt.dom.client.Element element)

Clones the given element.

It creates a new element with the same tag, and sets the class attribute, and sets the innerHTML.

参数:

element - the element to clone

返回:

the cloned element

close

public static java.lang.String close(CmsDomUtil.Tag tag)

Generates a closing tag.

参数:

tag - the tag to use

返回:

HTML code

createElement

public static com.google.gwt.dom.client.Element createElement(java.lang.String html)
                                                       throws java.lang.Exception

This method will create an Element for the given HTML. The HTML should have a single root tag, if not, the first tag will be used and all others discarded.

Script-tags will be removed.

参数:

html - the HTML to use for the element

返回:

the created element

抛出:

java.lang.Exception - if something goes wrong

createFaceHtml

public static java.lang.String createFaceHtml(java.lang.String text,
                              java.lang.String imageClass,
                              com.google.gwt.user.client.ui.HasHorizontalAlignment.HorizontalAlignmentConstant align)

Convenience method to assemble the HTML to use for a button face.

参数:

text - text the up face text to set, set to null to not show any

imageClass - the up face image class to use, set to null to not show any

align - the alignment of the text in reference to the image

返回:

the HTML

createIFrameElement

public static com.google.gwt.dom.client.Element createIFrameElement(java.lang.String name)

Creates an iFrame element with the given name attribute.

参数:

name - the name attribute value

返回:

the iFrame element

enclose

public static java.lang.String enclose(CmsDomUtil.Tag tag,
                       java.lang.String text,
                       CmsDomUtil.AttributeValue... attrs)

Encloses the given text with the given tag.

参数:

tag - the tag to use

text - the text to enclose

attrs - the optional tag attributes

返回:

HTML code

ensureJavaScriptIncluded

public static void ensureJavaScriptIncluded(java.lang.String javascriptLink)

Ensures a script tag is present within the window document context.

参数:

javascriptLink - the link to the java script resource

ensureMouseOut

public static void ensureMouseOut(com.google.gwt.dom.client.Element element)

Triggers a mouse-out event for the given element.

Useful in case something is capturing all events.

参数:

element - the element to use

ensureMouseOut

public static void ensureMouseOut(com.google.gwt.event.shared.HasHandlers target)

Triggers a mouse-out event for the given target.

Useful in case something is capturing all events.

参数:

target - the target to use

ensureMouseOver

public static void ensureMouseOver(com.google.gwt.dom.client.Element element)

Triggers a mouse-over event for the given element.

Useful in case something is capturing all events.

参数:

element - the element to use

ensureStyleSheetIncluded

public static void ensureStyleSheetIncluded(java.lang.String styleSheetLink)

Checks the window.document for given style-sheet and includes it if required.

参数:

styleSheetLink - the style-sheet link

ensureVisible

public static void ensureVisible(com.google.gwt.dom.client.Element containerElement,
                 com.google.gwt.dom.client.Element element,
                 int animationTime)

Ensures that the given element is visible.

Assuming the scrollbars are on the container element, and that the element is a child of the container element.

参数:

containerElement - the container element, has to be parent of the element

element - the element to be seen

animationTime - the animation time for scrolling, use zero for no animation

fireFocusEvent

public static void fireFocusEvent(com.google.gwt.user.client.ui.Widget widget)

Fires a focus event for the given widget.

参数:

widget - the widget

fixFlashZindex

public static void fixFlashZindex(com.google.gwt.dom.client.Element element)

Ensures any embedded flash players are set opaque so UI elements may be placed above them.

参数:

element - the element to work on

generateHiddenForm

public static com.google.gwt.dom.client.FormElement generateHiddenForm(java.lang.String action,
                                                       CmsDomUtil.Method method,
                                                       java.lang.String target,
                                                       java.util.Map<java.lang.String,java.lang.String> values)

Generates a form element with hidden input fields.

参数:

action - the form action

method - the form method

target - the form target

values - the input values

返回:

the generated form element

generateHiddenForm

public static com.google.gwt.dom.client.FormElement generateHiddenForm(java.lang.String action,
                                                       CmsDomUtil.Method method,
                                                       CmsDomUtil.Target target,
                                                       java.util.Map<java.lang.String,java.lang.String> values)

Generates a form element with hidden input fields.

参数:

action - the form action

method - the form method

target - the form target

values - the input values

返回:

the generated form element

getAncestor

public static com.google.gwt.dom.client.Element getAncestor(com.google.gwt.dom.client.Element element,
                                            java.lang.String className)

Returns the given element or it's closest ancestor with the given class.

Returns null if no appropriate element was found.

参数:

element - the element

className - the class name

返回:

the matching element

getAncestor

public static com.google.gwt.dom.client.Element getAncestor(com.google.gwt.dom.client.Element element,
                                            CmsDomUtil.Tag tag)

Returns the given element or it's closest ancestor with the given tag name.

Returns null if no appropriate element was found.

参数:

element - the element

tag - the tag name

返回:

the matching element

getAncestor

public static com.google.gwt.dom.client.Element getAncestor(com.google.gwt.dom.client.Element element,
                                            CmsDomUtil.Tag tag,
                                            java.lang.String className)

Returns the given element or it's closest ancestor with the given tag and class.

Returns null if no appropriate element was found.

参数:

element - the element

tag - the tag name

className - the class name

返回:

the matching element

getCurrentStyle

public static java.lang.String getCurrentStyle(com.google.gwt.dom.client.Element element,
                               CmsDomUtil.Style style)

Returns the computed style of the given element.

参数:

element - the element

style - the CSS property

返回:

the currently computed style

getCurrentStyleFloat

public static double getCurrentStyleFloat(com.google.gwt.dom.client.Element element,
                          CmsDomUtil.Style style)

Returns the computed style of the given element as floating point number.

参数:

element - the element

style - the CSS property

返回:

the currently computed style

getCurrentStyleInt

public static int getCurrentStyleInt(com.google.gwt.dom.client.Element element,
                     CmsDomUtil.Style style)

Returns the computed style of the given element as number.

参数:

element - the element

style - the CSS property

返回:

the currently computed style

getEditablePosition

public static CmsPositionBean getEditablePosition(com.google.gwt.dom.client.Element editable)

Determines the position of the list collector editable content.

参数:

editable - the editable marker tag

返回:

the position

getEffectiveBackgroundColor

public static java.lang.String getEffectiveBackgroundColor(com.google.gwt.dom.client.Element element)

Utility method to determine the effective background color.

参数:

element - the element

返回:

the background color

getElementsByClass

public static java.util.List<com.google.gwt.dom.client.Element> getElementsByClass(java.lang.String className)

Returns all elements from the DOM with the given CSS class.

参数:

className - the class name to look for

返回:

the matching elements

getElementsByClass

public static java.util.List<com.google.gwt.dom.client.Element> getElementsByClass(java.lang.String className,
                                                                   com.google.gwt.dom.client.Element rootElement)

Returns all elements with the given CSS class including the root element.

参数:

className - the class name to look for

rootElement - the root element of the search

返回:

the matching elements

getElementsByClass

public static java.util.List<com.google.gwt.dom.client.Element> getElementsByClass(java.lang.String className,
                                                                   CmsDomUtil.Tag tag)

Returns all elements from the DOM with the given CSS class and tag name.

参数:

className - the class name to look for

tag - the tag

返回:

the matching elements

getElementsByClass

public static java.util.List<com.google.gwt.dom.client.Element> getElementsByClass(java.lang.String className,
                                                                   CmsDomUtil.Tag tag,
                                                                   com.google.gwt.dom.client.Element rootElement)

Returns all elements with the given CSS class and tag name including the root element.

参数:

className - the class name to look for

tag - the tag

rootElement - the root element of the search

返回:

the matching elements

getPosition

public static int getPosition(com.google.gwt.dom.client.Element e)

Returns the element position relative to its siblings.

参数:

e - the element to get the position for

返回:

the position, or -1 if not found

getPositioningParent

public static com.google.gwt.dom.client.Element getPositioningParent(com.google.gwt.dom.client.Element child)

Returns the next ancestor to the element with an absolute, fixed or relative position.

参数:

child - the element

返回:

the positioning parent element (may be null)

getRelativeX

public static int getRelativeX(int x,
               com.google.gwt.dom.client.Element target)

Gets the horizontal position of the given x-coordinate relative to a given element.

参数:

x - the coordinate to use

target - the element whose coordinate system is to be used

返回:

the relative horizontal position

另请参阅:

MouseEvent.getRelativeX(com.google.gwt.dom.client.Element)

getRelativeY

public static int getRelativeY(int y,
               com.google.gwt.dom.client.Element target)

Gets the vertical position of the given y-coordinate relative to a given element.

参数:

y - the coordinate to use

target - the element whose coordinate system is to be used

返回:

the relative vertical position

另请参阅:

MouseEvent.getRelativeY(com.google.gwt.dom.client.Element)

getWindow

public static com.google.gwt.core.client.JavaScriptObject getWindow()

Returns the DOM window object.

返回:

the DOM window object

getZIndex

public static java.lang.String getZIndex(com.google.gwt.dom.client.Style style)

Returns the Z index from the given style.

This is a workaround for a bug with Style.getZIndex() which occurs with IE in hosted mode.

参数:

style - the style object from which the Z index property should be fetched

返回:

the z index

hasBackground

public static boolean hasBackground(com.google.gwt.dom.client.Element element)

Utility method to determine if the given element has a set background.

参数:

element - the element

返回:

true if the element has a background set

hasBackgroundImage

public static boolean hasBackgroundImage(com.google.gwt.dom.client.Element element)

Utility method to determine if the given element has a set background image.

参数:

element - the element

返回:

true if the element has a background image set

hasBorder

public static boolean hasBorder(com.google.gwt.dom.client.Element element)

Utility method to determine if the given element has a set border.

参数:

element - the element

返回:

true if the element has a border

hasClass

public static boolean hasClass(java.lang.String className,
               com.google.gwt.dom.client.Element element)

Indicates if the given element has a CSS class.

参数:

className - the class name to look for

element - the element

返回:

true if the element has the given CSS class

hasDimension

public static boolean hasDimension(com.google.gwt.dom.client.Element element)

Returns if the given element has any dimension.

All visible elements should have a dimension.

参数:

element - the element to test

返回:

true if the given element has any dimension

isJavaScriptPresent

public static boolean isJavaScriptPresent(java.lang.String javascriptLink)

Checks whether a given script resource is present within the window context.

参数:

javascriptLink - the resource URL

返回:

true if the script resource is present within the window context

makeScrollable

public static void makeScrollable(com.google.gwt.dom.client.Element elem)

Gives an element the overflow:auto property.

参数:

elem - a DOM element

makeScrollable

public static void makeScrollable(com.google.gwt.user.client.ui.Widget widget)

Gives the element of a widget the overflow:auto property.

参数:

widget - the widget to make scrollable

messagePopupBlocked

public static java.lang.String messagePopupBlocked()

Message accessor.

返回:

the message string

messagePopupBlockedTitle

public static java.lang.String messagePopupBlockedTitle()

Message accessor.

返回:

the message string

open

public static java.lang.String open(CmsDomUtil.Tag tag,
                    CmsDomUtil.AttributeValue... attrs)

Generates an opening tag.

参数:

tag - the tag to use

attrs - the optional tag attributes

返回:

HTML code

openWindow

public static void openWindow(java.lang.String url,
              java.lang.String name,
              java.lang.String features)

Opens a new browser window. The "name" and "features" arguments are specified here.

参数:

url - the URL that the new window will display

name - the name of the window (e.g. "_blank")

features - the features to be enabled/disabled on this window

parseJSON

public static com.google.gwt.core.client.JavaScriptObject parseJSON(java.lang.String jsonString)

Parses the given string into a JSON object.

参数:

jsonString - the string to parse

返回:

the JSON object

positionElement

public static void positionElement(com.google.gwt.dom.client.Element elem,
                   com.google.gwt.dom.client.Element referenceElement,
                   int dx,
                   int dy)

Positions an element in the DOM relative to another element.

参数:

elem - the element to position

referenceElement - the element relative to which the first element should be positioned

dx - the x offset relative to the reference element

dy - the y offset relative to the reference element

positionElementInside

public static int positionElementInside(com.google.gwt.dom.client.Element element,
                        com.google.gwt.dom.client.Element parent,
                        int currentIndex,
                        int x,
                        int y)

Positions an element inside the given parent, reordering the content of the parent and returns the new position index.

This is none absolute positioning. Use for drag and drop reordering of drop targets.

Use -1 for x or y to ignore one ordering orientation.

参数:

element - the child element

parent - the parent element

currentIndex - the current index position of the element, use -1 if element is not attached to the parent yet

x - the client x position, use -1 to ignore x position

y - the client y position, use -1 to ignore y position

返回:

the new index position

removeDisablingOverlay

public static void removeDisablingOverlay(com.google.gwt.dom.client.Element element)

Removes any present overlay from the element and it's children.

参数:

element - the element

removeScriptTags

public static com.google.gwt.dom.client.Element removeScriptTags(com.google.gwt.dom.client.Element element)

Removes all script tags from the given element.

参数:

element - the element to remove the script tags from

返回:

the resulting element

removeScriptTags

public static java.lang.String removeScriptTags(java.lang.String source)

Removes all script tags from the given string.

参数:

source - the source string

返回:

the resulting string

resizeAncestor

public static void resizeAncestor(com.google.gwt.user.client.ui.Widget parent)

Calls I_DescendantResizeHandler.onResizeDescendant() on the closest resizable ancestor.

参数:

parent - the parent widget

setAttribute

public static void setAttribute(com.google.gwt.core.client.JavaScriptObject jso,
                java.lang.String key,
                com.google.gwt.core.client.JavaScriptObject value)

Sets an attribute on a Javascript object.

参数:

jso - the Javascript object

key - the attribute name

value - the new attribute value

setAttribute

public static void setAttribute(com.google.gwt.core.client.JavaScriptObject jso,
                java.lang.String key,
                java.lang.String value)

Sets an attribute on a Javascript object.

参数:

jso - the Javascript object

key - the attribute name

value - the new attribute value

showOverlay

public static void showOverlay(com.google.gwt.dom.client.Element element,
               boolean show)

Sets a CSS class to show or hide a given overlay. Will not add an overlay to the element.

参数:

element - the parent element of the overlay

show - true to show the overlay

showPopupBlockerMessage

public static void showPopupBlockerMessage()

Shows a message that a popup was blocked.

stripHtml

public static java.lang.String stripHtml(java.lang.String html)

Returns the text content to any HTML.

参数:

html - the HTML

返回:

the text content

wrapScrollable

public static com.google.gwt.user.client.ui.FlowPanel wrapScrollable(com.google.gwt.user.client.ui.Widget widget)

Wraps a widget in a scrollable FlowPanel.

参数:

widget - the original widget

返回:

the wrapped widget