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Tomahawk
outputText tag
This tag is used to render the output as text in the page.
This tag contains escape attribute which is used to specify whether the markup
used in the text to display is to be rendered or not. This component also has ability to be visible or not visible according
to the role of the user. In the same way, it also has the ability to be enable
or disable according to the user role. This component also has the capability
to render the id for the component just the same as we have mentioned in the id
attribute of the tag. Normally the naming system of JSF renders the id for the
component with some additional text, typically with id of the form as prefix.
But this component has an attribute forceId which forces the component to render
the same id mentioned in the id attribute.
Code Description :
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
<%@ taglib uri="http://myfaces.apache.org/tomahawk" prefix="t"%>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>t:outputText example</title>
<style type="text/css">
<!--
body{
background-color:#fff2f2;
margin-top:30;
}
-->
</style>
</head>
<body ><center>
<t:outputText id="ot"
value="<b>Q.1 : Why RoseIndia is the best site for java learners?</b>"
style="color:#0033CC; font-weight:bold"
title="Q.1" escape="false" /></p>
</center></body>
</html>
</f:view>
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In the above code, escape attribute is set to
false so the markup used in the text (<b>,</b>)written in
value is escaped from rendering.
Rendered Output :
Html Source Code :
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>t:outputText example</title>
<style type="text/css">
<!--
body{
background-color:#fff2f2;
margin-top:30;
}
-->
</style>
</head>
<body ><center>
<span id="ot" title="Q.1" style="color:#0033CC; font-weight:bold">
<b>Q.1 : Why RoseIndia is the best site for java learners?</b>
</span></p>
</center><!-- MYFACES JAVASCRIPT -->
</body>
</html>
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This tag contains attributes given below :
- id : This is the value which is used to
uniquely identify the component within the closest container like form or
subview. The main thing to remember is that its value must be a static
value.
- binding : This attribute is used to specify
the property of the backing bean with which this component instance is to be
bound.
- rendered : Its default value is true.
If this attribute is set to true then this component is presented in
the page to the user. If false, then this component is not rendered.
- value : The initial value of the component is
set to this attribute.
- converter : This attribute is used to specify
the converter for the component.
- dir : It is used to set the direction of the
text to be displayed. It can take two values LTR(left to right) and RTL
(right to left).
- lang : It is used to set the base language of
the component when displayed.
- style : It is used to set the CSS style
definition for the component.
- title : It is the standard html attribute. It
is used to set the tooltip text for this component.
- styleClass : It is used to set the CSS class
for the component. It is same as html class attribute.
- onclick : Script to be invoked when the
element is clicked.
- ondblclick : It is used for Java Script code
to be invoked when the element is double-clicked.
- onmousedown : It is used for Java Script code
to be invoked when the pointing device is pressed over this element.
- onmouseup : It is used for Java Script code
to be invoked when the pointing device is released over this element.
- onmouseover : It is used for Java Script code
to be invoked when the pointing device is moved into this element.
- onmousemove : It is used for Java Script code
to be invoked when the pointing device is moved while it is in this element.
- onmouseout : It is used for Java Script code
to be invoked when the pointing device is moved out of this element.
- onkeypress : It is used for Java Script code
to be invoked when a key is pressed over this element.
- onkeydown : It is used for Java Script code
to be invoked when a key is pressed down over this element.
- onkeyup : It is used for Java Script code to
be invoked when a key is released over this element.
- escape : This is a boolean attribute with
default value true. If this is set to false then the markup used in the
value attribute is escaped from rendering.
- enabledOnUserRole : If the current user has
one of the roles listed in the enabledOnUserRole attribute then enabling or
disabling of the component is decided on the base of "disabled"
attribute. If disabled attribute is set to true then component is disabled
otherwise enabled. If the user is not in the above list then the component
is rendered disabled.
- visibleOnUserRole : If the current user has
one of the roles listed in the visibleOnUserRole attribute then processing
of the component is decided on the base of "rendered" attribute.
If the rendered attribute is set to true then component is not rendered
otherwise displayed on the page. On the other hand if the current user
is not in the above list then the component is not processed.
- forceId : This is a boolean attribute with
default value false. If this attribute is set to true, the tag is forced to
render the id for the component exactly as mentioned in the id attribute of
the tag. The benefit of this attribute is that we can reference component by
id in the javascript. If we don't use this attribute with the true value
then the id for the component is presented in different format.
- forceIdIndex : This is a boolean attribute
with default value true. If this value is true then the the component
displays the index number in its id value if the component is in a list. If
this attribute is set to false then this component will not append index
number as suffix . If forcrId is set to false then its value is ignored.
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