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facesdoc.HTML_BASIC.javax.faces.Graphicjavax.faces.Image.html Maven / Gradle / Ivy

HTML_BASIC render-kit


component-family: javax.faces.Graphic renderer-type: javax.faces.Image


Renders an HTML "img"
            element.  Render the clientId as the value of the "id"
            attribute.



Handling the Value

  


    
If the "name" attribute is present, execute algorithm Common Algorithm for Obtaining A Resource to Render to obtain a Resource instance.  Call
    Resource.getRequestPath() and output the result as the
    value of the "src" attribute on the rendered markup.

    
Otherwise, if the "url" attribute is present, treat its value as
    if it was the value of the "value" attribute.  Otherwise, if the
    "value" attribute is present, render the value of the component as
    the value of the "src" attribute, after passing it to the
    getResourceURL() method of the ViewHandler
    for this application, and passing the result through the
    encodeResourceURL() method of the
    ExternalContext.

    
When handling the "src" attribute,
    the value must not be escaped.  For example, & must not
    be turned into &.  If the "styleClass"
    attribute is specified, render its value as the value of the "class"
    attribute.

  


This renderer is responsible for rendering its children.



Note:

Attributes with a pass-through value of
true are not interpreted by the renderer and are passed
straight through to the rendered markup, without checking for validity.  Attributes with a
pass-through value of false are interpreted
by the renderer, and may or may not be checked for validity by the renderer.




Attributes


attribute-name
pass-through
attribute-class
description
default-value

	    


 alt

true
java.lang.String

        Alternate textual description of the
        element rendered by this component.
undefined




 dir

true
java.lang.String

          Direction indication for text that does not inherit directionality.
          Valid values are "LTR" (left-to-right) and "RTL" (right-to-left).
undefined




 height

true
java.lang.String

        Override for the height of this image.
        
undefined




 ismap

false
boolean

        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".
        
undefined




 lang

true
java.lang.String

          Code describing the language used in the generated markup
          for this component.
undefined




 library

false
java.lang.String
The libraryName for this resource.
undefined




 longdesc

true
java.lang.String

        URI to a long description of the image
        represented by this element.
undefined




 name

false
java.lang.String
The 
                resourceName for this resource.
undefined




 onclick

true
java.lang.String

          Javascript code executed when a pointer button is
          clicked over this element.
undefined




 ondblclick

true
java.lang.String

          Javascript code executed when a pointer button is
          double clicked over this element.
undefined




 onkeydown

true
java.lang.String

          Javascript code executed when a key is
          pressed down over this element.
undefined




 onkeypress

true
java.lang.String

          Javascript code executed when a key is
          pressed and released over this element.
undefined




 onkeyup

true
java.lang.String

          Javascript code executed when a key is
          released over this element.
undefined




 onmousedown

true
java.lang.String

          Javascript code executed when a pointer button is
          pressed down over this element.
undefined




 onmousemove

true
java.lang.String

          Javascript code executed when a pointer button is
          moved within this element.
undefined




 onmouseout

true
java.lang.String

          Javascript code executed when a pointer button is
          moved away from this element.
undefined




 onmouseover

true
java.lang.String

          Javascript code executed when a pointer button is
          moved onto this element.
undefined




 onmouseup

true
java.lang.String

          Javascript code executed when a pointer button is
          released over this element.
undefined




 style

true
java.lang.String

          CSS style(s) to be applied when this component is rendered.
        
undefined




 styleClass

false
java.lang.String

          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.
        
undefined




 title

true
java.lang.String

          Advisory title information about markup elements generated
          for this component.
undefined




 usemap

true
java.lang.String

        The name of a client side image map (an HTML "map"
        element) for which this element provides the image.
undefined




 width

true
java.lang.String

        Override for the width of this image.
        
undefined




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