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javax.faces.component.html Class HtmlGraphicImage
java.lang.Object javax.faces.component.UIComponent javax.faces.component.UIComponentBase javax.faces.component.UIGraphic javax.faces.component.html.HtmlGraphicImage
- All Implemented Interfaces:
- StateHolder
public class HtmlGraphicImage
- extends UIGraphic
表示 HTML img
元素,用于获取和呈现图形图像。
默认情况下,rendererType
属性必须设置为 "javax.faces.Image
"。可以调用 setRendererType()
方法更改此值。
Represents an HTML img
element, used to retrieve
and render a graphical image.
By default, the rendererType
property must be set to "javax.faces.Image
".
This value can be changed by calling the setRendererType()
method.
Field Summary | |
---|---|
static String |
COMPONENT_TYPE
The standard component type for this component. |
Fields inherited from class javax.faces.component.UIGraphic |
---|
COMPONENT_FAMILY |
Fields inherited from class javax.faces.component.UIComponent |
---|
bindings |
Constructor Summary | |
---|---|
HtmlGraphicImage()
|
Method Summary | |
---|---|
String |
getAlt()
Return the value of the alt property. |
String |
getDir()
Return the value of the dir property. |
String |
getHeight()
Return the value of the height property. |
String |
getLang()
Return the value of the lang property. |
String |
getLongdesc()
Return the value of the longdesc property. |
String |
getOnclick()
Return the value of the onclick property. |
String |
getOndblclick()
Return the value of the ondblclick property. |
String |
getOnkeydown()
Return the value of the onkeydown property. |
String |
getOnkeypress()
Return the value of the onkeypress property. |
String |
getOnkeyup()
Return the value of the onkeyup property. |
String |
getOnmousedown()
Return the value of the onmousedown property. |
String |
getOnmousemove()
Return the value of the onmousemove property. |
String |
getOnmouseout()
Return the value of the onmouseout property. |
String |
getOnmouseover()
Return the value of the onmouseover property. |
String |
getOnmouseup()
Return the value of the onmouseup property. |
String |
getStyle()
Return the value of the style property. |
String |
getStyleClass()
Return the value of the styleClass property. |
String |
getTitle()
Return the value of the title property. |
String |
getUsemap()
Return the value of the usemap property. |
String |
getWidth()
Return the value of the width property. |
boolean |
isIsmap()
Return the value of the ismap property. |
void |
restoreState(FacesContext _context,
Object _state)
Perform any processing required to restore the state from the entries in the state Object. |
Object |
saveState(FacesContext _context)
Gets the state of the instance as a Serializable Object. |
void |
setAlt(String alt)
Set the value of the alt property. |
void |
setDir(String dir)
Set the value of the dir property. |
void |
setHeight(String height)
Set the value of the height property. |
void |
setIsmap(boolean ismap)
Set the value of the ismap property. |
void |
setLang(String lang)
Set the value of the lang property. |
void |
setLongdesc(String longdesc)
Set the value of the longdesc property. |
void |
setOnclick(String onclick)
Set the value of the onclick property. |
void |
setOndblclick(String ondblclick)
Set the value of the ondblclick property. |
void |
setOnkeydown(String onkeydown)
Set the value of the onkeydown property. |
void |
setOnkeypress(String onkeypress)
Set the value of the onkeypress property. |
void |
setOnkeyup(String onkeyup)
Set the value of the onkeyup property. |
void |
setOnmousedown(String onmousedown)
Set the value of the onmousedown property. |
void |
setOnmousemove(String onmousemove)
Set the value of the onmousemove property. |
void |
setOnmouseout(String onmouseout)
Set the value of the onmouseout property. |
void |
setOnmouseover(String onmouseover)
Set the value of the onmouseover property. |
void |
setOnmouseup(String onmouseup)
Set the value of the onmouseup property. |
void |
setStyle(String style)
Set the value of the style property. |
void |
setStyleClass(String styleClass)
Set the value of the styleClass property. |
void |
setTitle(String title)
Set the value of the title property. |
void |
setUsemap(String usemap)
Set the value of the usemap property. |
void |
setWidth(String width)
Set the value of the width property. |
Methods inherited from class javax.faces.component.UIGraphic |
---|
getFamily, getUrl, getValue, getValueBinding, getValueExpression, setUrl, setValue, setValueBinding, setValueExpression |
Methods inherited from class javax.faces.component.UIComponent |
---|
encodeAll, getContainerClientId |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
英文文档:
COMPONENT_TYPE
public static final String COMPONENT_TYPE
The standard component type for this component.
- See Also:
- Constant Field Values
Constructor Detail |
---|
public
HtmlGraphicImage()
英文文档:
HtmlGraphicImage
public HtmlGraphicImage()
Method Detail |
---|
public String
getAlt()
返回 alt
属性的值。
内容:此组件所呈现元素的可替换文本描述。
getAlt
public String getAlt()
Return the value of the
alt
property.Contents: Alternate textual description of the element rendered by this component.
public void
setAlt(String alt)
设置 alt
属性的值。
setAlt
public void setAlt(String alt)
Set the value of the
alt
property.
public String
getDir()
返回 dir
属性的值。
内容:未继承方向性的文本的方向指示。有效值有 "LTR"(left-to-right,从左到右)和 "RTL"(right-to-left,从右到左)。
getDir
public String getDir()
Return the value of the
dir
property.Contents: Direction indication for text that does not inherit directionality. Valid values are "LTR" (left-to-right) and "RTL" (right-to-left).
public void
setDir(String dir)
设置 dir
属性的值。
setDir
public void setDir(String dir)
Set the value of the
dir
property.
public String
getHeight()
返回 height
属性的值。
内容:重写此图像的高度。
getHeight
public String getHeight()
Return the value of the
height
property.Contents: Override for the height of this image.
public void
setHeight(String height)
设置 height
属性的值。
setHeight
public void setHeight(String height)
Set the value of the
height
property.
public boolean
isIsmap()
返回 ismap
属性的值。
内容:指示此图像将用作服务器端图像映射的标志。这样的图像必须包括在超链接 ("a") 内。值为 false 将不呈现任何属性,而值为 true 呈现属性的方式与 ismap="ismap" 的情况相同。
isIsmap
public boolean isIsmap()
Return the value of the
ismap
property.Contents: Flag indicating that this image is to be used as a server side image map. Such an image must be enclosed within a hyperlink ("a"). A value of false causes no attribute to be rendered, while a value of true causes the attribute to be rendered as ismap="ismap".
public void
setIsmap(boolean ismap)
设置 ismap
属性的值。
setIsmap
public void setIsmap(boolean ismap)
Set the value of the
ismap
property.
public String
getLang()
返回 lang
属性的值。
内容:描述为此组件生成的标记中所用语言的代码。
getLang
public String getLang()
Return the value of the
lang
property.Contents: Code describing the language used in the generated markup for this component.
public void
setLang(String lang)
设置 lang
属性的值。
setLang
public void setLang(String lang)
Set the value of the
lang
property.
public String
getLongdesc()
返回 longdesc
属性的值。
内容:指向此元素表示的图像的详细描述的 URI。
getLongdesc
public String getLongdesc()
Return the value of the
longdesc
property.Contents: URI to a long description of the image represented by this element.
public void
setLongdesc(String longdesc)
设置 longdesc
属性的值。
setLongdesc
public void setLongdesc(String longdesc)
Set the value of the
longdesc
property.
public String
getOnclick()
返回 onclick
属性的值。
内容:在此元素上单击指针按钮时执行的 Javascript 代码。
getOnclick
public String getOnclick()
Return the value of the
onclick
property.Contents: Javascript code executed when a pointer button is clicked over this element.
public void
setOnclick(String onclick)
设置 onclick
属性的值。
setOnclick
public void setOnclick(String onclick)
Set the value of the
onclick
property.
public String
getOndblclick()
返回 ondblclick
属性的值。
内容:在此元素上双击指针按钮时执行的 Javascript 代码。
getOndblclick
public String getOndblclick()
Return the value of the
ondblclick
property.Contents: Javascript code executed when a pointer button is double clicked over this element.
public void
setOndblclick(String ondblclick)
设置 ondblclick
属性的值。
setOndblclick
public void setOndblclick(String ondblclick)
Set the value of the
ondblclick
property.
public String
getOnkeydown()
返回 onkeydown
属性的值。
内容:在此元素上按下键时执行的 Javascript 代码。
getOnkeydown
public String getOnkeydown()
Return the value of the
onkeydown
property.Contents: Javascript code executed when a key is pressed down over this element.
public void
setOnkeydown(String onkeydown)
设置 onkeydown
属性的值。
setOnkeydown
public void setOnkeydown(String onkeydown)
Set the value of the
onkeydown
property.
public String
getOnkeypress()
返回 onkeypress
属性的值。
内容:在此元素上按下并释放键时执行的 Javascript 代码。
getOnkeypress
public String getOnkeypress()
Return the value of the
onkeypress
property.Contents: Javascript code executed when a key is pressed and released over this element.
public void
setOnkeypress(String onkeypress)
设置 onkeypress
属性的值。
setOnkeypress
public void setOnkeypress(String onkeypress)
Set the value of the
onkeypress
property.
public String
getOnkeyup()
返回 onkeyup
属性的值。
内容:在此元素上释放键时执行的 Javascript 代码。
getOnkeyup
public String getOnkeyup()
Return the value of the
onkeyup
property.Contents: Javascript code executed when a key is released over this element.
public void
setOnkeyup(String onkeyup)
设置 onkeyup
属性的值。
setOnkeyup
public void setOnkeyup(String onkeyup)
Set the value of the
onkeyup
property.
public String
getOnmousedown()
返回 onmousedown
属性的值。
内容:在此元素上按下指针按钮时执行的 Javascript 代码。
getOnmousedown
public String getOnmousedown()
Return the value of the
onmousedown
property.Contents: Javascript code executed when a pointer button is pressed down over this element.
public void
setOnmousedown(String onmousedown)
设置 onmousedown
属性的值。
setOnmousedown
public void setOnmousedown(String onmousedown)
Set the value of the
onmousedown
property.
public String
getOnmousemove()
返回 onmousemove
属性的值。
内容:当指针按钮移动到此元素内时执行的 Javascript 代码。
getOnmousemove
public String getOnmousemove()
Return the value of the
onmousemove
property.Contents: Javascript code executed when a pointer button is moved within this element.
public void
setOnmousemove(String onmousemove)
设置 onmousemove
属性的值。
setOnmousemove
public void setOnmousemove(String onmousemove)
Set the value of the
onmousemove
property.
public String
getOnmouseout()
返回 onmouseout
属性的值。
内容:当指针按钮移出此元素时执行的 Javascript 代码。
getOnmouseout
public String getOnmouseout()
Return the value of the
onmouseout
property.Contents: Javascript code executed when a pointer button is moved away from this element.
public void
setOnmouseout(String onmouseout)
设置 onmouseout
属性的值。
setOnmouseout
public void setOnmouseout(String onmouseout)
Set the value of the
onmouseout
property.
public String
getOnmouseover()
返回 onmouseover
属性的值。
内容:当指针按钮移动到此元素上时执行的 Javascript 代码。
getOnmouseover
public String getOnmouseover()
Return the value of the
onmouseover
property.Contents: Javascript code executed when a pointer button is moved onto this element.
public void
setOnmouseover(String onmouseover)
设置 onmouseover
属性的值。
setOnmouseover
public void setOnmouseover(String onmouseover)
Set the value of the
onmouseover
property.
public String
getOnmouseup()
返回 onmouseup
属性的值。
内容:在此元素上释放指针按钮时执行的 Javascript 代码。
getOnmouseup
public String getOnmouseup()
Return the value of the
onmouseup
property.Contents: Javascript code executed when a pointer button is released over this element.
public void
setOnmouseup(String onmouseup)
设置 onmouseup
属性的值。
setOnmouseup
public void setOnmouseup(String onmouseup)
Set the value of the
onmouseup
property.
public String
getStyle()
返回 style
属性的值。
内容:呈现此组件时应用的 CSS 样式。
getStyle
public String getStyle()
Return the value of the
style
property.Contents: CSS style(s) to be applied when this component is rendered.
public void
setStyle(String style)
设置 style
属性的值。
setStyle
public void setStyle(String style)
Set the value of the
style
property.
public String
getStyleClass()
返回 styleClass
属性的值。
内容:呈现此元素时应用的以空格分隔的 CSS 样式类列表。此值必须作为生成标记上的 "class" 属性传递。
getStyleClass
public String getStyleClass()
Return the value of the
styleClass
property.Contents: Space-separated list of CSS style class(es) to be applied when this element is rendered. This value must be passed through as the "class" attribute on generated markup.
public void
setStyleClass(String styleClass)
设置 styleClass
属性的值。
setStyleClass
public void setStyleClass(String styleClass)
Set the value of the
styleClass
property.
public String
getTitle()
返回 title
属性的值。
内容:关于为此组件生成的标记元素的建议性标题信息。
getTitle
public String getTitle()
Return the value of the
title
property.Contents: Advisory title information about markup elements generated for this component.
public void
setTitle(String title)
设置 title
属性的值。
setTitle
public void setTitle(String title)
Set the value of the
title
property.
public String
getUsemap()
返回 usemap
属性的值。
内容:此元素为其提供图像的客户端图像映射(HTML "map" 元素)的名称。
getUsemap
public String getUsemap()
Return the value of the
usemap
property.Contents: The name of a client side image map (an HTML "map" element) for which this element provides the image.
public void
setUsemap(String usemap)
设置 usemap
属性的值。
setUsemap
public void setUsemap(String usemap)
Set the value of the
usemap
property.
public String
getWidth()
返回 width
属性的值。
内容:重写此图像的宽度。
getWidth
public String getWidth()
Return the value of the
width
property.Contents: Override for the width of this image.
public void
setWidth(String width)
设置 width
属性的值。
setWidth
public void setWidth(String width)
Set the value of the
width
property.
public Object
saveState(FacesContext _context)
英文文档:
saveState
public Object saveState(FacesContext _context)
- Description copied from interface:
StateHolder
Gets the state of the instance as a
Serializable
Object.If the class that implements this interface has references to instances that implement StateHolder (such as a
UIComponent
with event handlers, validators, etc.) this method must call theStateHolder.saveState(javax.faces.context.FacesContext)
method on all those instances as well. This method must not save the state of children and facets. That is done via theStateManager
This method must not alter the state of the implementing object. In other words, after executing this code:
Object state = component.saveState(facesContext);
component
should be the same as before executing it.The return from this method must be
Serializable
- Specified by:
saveState
in interfaceStateHolder
- Overrides:
saveState
in classUIGraphic
public void
restoreState(FacesContext _context, Object _state)
英文文档:
restoreState
public void restoreState(FacesContext _context, Object _state)
- Description copied from interface:
StateHolder
Perform any processing required to restore the state from the entries in the state Object.
If the class that implements this interface has references to instances that also implement StateHolder (such as a
UIComponent
with event handlers, validators, etc.) this method must call theStateHolder.restoreState(javax.faces.context.FacesContext, java.lang.Object)
method on all those instances as well.- Specified by:
restoreState
in interfaceStateHolder
- Overrides:
restoreState
in classUIGraphic
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