Button Class

com.bea.wlw.netui.tags.html
Button Class

public class Button

    extends AbstractBaseTag
    implements IAttributeConsumer, URLParams

Generates a button on the page with the specified attributes. The <netui:button> tag must be enclosed in <netui:form...> ... </netui:form> tags. You can specify the action that the form will raise on the <netui:form> tag.

Attribute Descriptions
AttributeRequiredRuntime Expression Evaluation Data Bindable
accessKeyNoNoNo
Define the keyboard navigation key for the element.
actionNoNoNo
The overriding action caused by pressing this button.
altNoNoRead Only
Define the alt attribute of the <Input> element.
disabledNoNoRead Only
A boolean value which if true will cause the Button to be disabled.
tagIdNoNoNo
The ID of this button used by the enclosing html tag to get the tag's real ID attribute for javascript and focus purposes. The real ID attribute id is generated based upon this name.
typeNoNoNo
The type of button this is (defaults to 'submit').
valueNoNoRead Only
The label of this button.

Related Topics

<netui:form> Tag Sample
Form


Hierarchy
Object
  TagSupport
    BodyTagSupport
      AbstractBaseTag
        Button
All Implemented Interfaces

BodyTag, IAttributeConsumer, IterationTag, Serializable, Tag, URLParams

Field Summary

protected String
action
The action of this button.
public static final String
ACTION_OVERRIDE
String
protected String
buttonValue
String
protected String
text
The body content of this tag (if any).
protected String
type
The type of button this is (submit, button, or reset).
public static final String
TYPE
String
protected String
value
The text of the button (this will override any body text).
public static final String
VALUE
String
   
Fields from  com.bea.wlw.netui.tags.AbstractBaseTag
ATTR_GENERAL, ATTR_GENERAL_EXPRESSION, ATTR_JAVASCRIPT, ATTR_STYLE, CLASS, ID, JAVASCRIPT_STATUS, NAME, NETUI_UNIQUE_CNT, ONCLICK, ONDBLCLICK, ONKEYDOWN, ONKEYPRESS, ONKEYUP, ONMOUSEDOWN, ONMOUSEMOVE, ONMOUSEOUT, ONMOUSEOVER, ONMOUSEUP, STYLE, TABINDEX
 
Fields from  javax.servlet.jsp.tagext.BodyTagSupport
bodyContent
 
Fields from  javax.servlet.jsp.tagext.TagSupport
id, pageContext
 
Fields from interface javax.servlet.jsp.tagext.BodyTag
EVAL_BODY_BUFFERED, EVAL_BODY_TAG
 
Fields from interface javax.servlet.jsp.tagext.IterationTag
EVAL_BODY_AGAIN
 
Fields from interface javax.servlet.jsp.tagext.Tag
EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE
 

Constructor Summary

Button()

 

Method Summary

public void
addParameter(String name, Object value)
Adds a URL parameter to the generated hyperlink.
public int
doAfterBody()
Save the associated button label from the body content (if any).
public int
doEndTag()
Render the button.
public int
doStartTag()
Process the start of the Button.
public String
getAccessKey()
Gets the accessKey attribute value.
public String
getAction()
Return the action of the Button.
public String
getAlt()
Gets the alt attribute on the generate <input tag.
public String
getDisabled()
Returns the boolean value or expression indicating the disable state of the button.
public String
getOnBlur()
Gets the onBlur javascript event.
public String
getOnChange()
Gets the onChange javascript event.
public String
getOnClick()
Gets the onClick javascript event.
public String
getOnDblClick()
Gets the onDblClick javascript event.
public String
getOnFocus()
Gets the onFocus javascript event.
public String
getOnKeyDown()
Gets the onKeyDown javascript event.
public String
getOnKeyPress()
Gets the onKeyPress javascript event.
public String
getOnKeyUp()
Gets the onKeyUp javascript event.
public String
getOnMouseDown()
Gets the onMouseDown javascript event.
public String
getOnMouseMove()
Gets the onMouseMove javascript event.
public String
getOnMouseOut()
Gets the onMouseOut javascript event.
public String
getOnMouseOver()
Gets the onMouseOver javascript event.
public String
getOnMouseUp()
Gets the onMouseUp javascript event.
public String
getOnSelect()
Gets the onSelect javascript event.
public String
getStyle()
Gets the style of the rendered html tag.
public String
getStyleClass()
Gets the style class of the rendered html tag.
public String
getTabindex()
Gets the tabIndex of the rendered html tag.
public String
getTagId()
Return the ID of the button.
public String
getTagName()
Return the name of the Tag.
public String
getType()
Return the type of the Button.
public String
getValue()
Returns the value of the Button's text.
protected void
localRelease()
Release any acquired resources.
public void
setAccessKey(String accessKey)
Sets the accessKey attribute value.
public void
setAction(String action)
Set the name of the action for the Button.
public void
setAlt(String alt)
Sets the alt attribute value.
public void
setAttribute(String name, String value)
Set an attribute value.
public void
setDisabled(String disabled)
Set the disable state either with the literal "true" or "false" or with an expression.
public void
setOnBlur(String onblur)
Sets the onBlur javascript event.
public void
setOnChange(String onchange)
Sets the onChange javascript event.
public void
setOnClick(String onclick)
Sets the onClick javascript event.
public void
setOnDblClick(String ondblclick)
Sets the onDblClick javascript event.
public void
setOnFocus(String onblur)
Sets the onFocus javascript event.
public void
setOnKeyDown(String onkeydown)
Sets the onKeyDown javascript event.
public void
setOnKeyPress(String onkeypress)
Sets the onKeyPress javascript event.
public void
setOnKeyUp(String onkeyup)
Sets the onKeyUp javascript event.
public void
setOnMouseDown(String onmousedown)
Sets the onMouseDown javascript event.
public void
setOnMouseMove(String onmousemove)
Sets the onMouseMove javascript event.
public void
setOnMouseOut(String onmouseout)
Sets the onMouseOut javascript event.
public void
setOnMouseOver(String onmouseover)
Sets the onMouseOver javascript event.
public void
setOnMouseUp(String onmouseup)
Sets the onMouseUp javascript event.
public void
setOnSelect(String onselect)
Sets the onSelect javascript event.
public void
setStyle(String style)
Sets the style of the rendered html tag.
public void
setStyleClass(String styleClass)
Sets the style class of the rendered html tag.
public void
setTabindex(String tabindex)
Sets the tabIndex of the rendered html tag.
public void
setTagId(String tagId)
Set the ID of the button.
public void
setType(String type)
Set the type of the Button (submit, button, or reset).
public void
setValue(String value)
Set the value of the Button's text.
 
Methods from  com.bea.wlw.netui.tags.AbstractBaseTag
addTagIdMapping, evaluateAttributeToString, filter, filter, getJavaScriptUtils, getNearestForm, getScriptReporter, getUserLocale, registerTagError, release, renderAttribute, rewriteName, write
 
Methods from  javax.servlet.jsp.tagext.BodyTagSupport
doInitBody, getBodyContent, getPreviousOut, release, setBodyContent
 
Methods from  javax.servlet.jsp.tagext.TagSupport
doAfterBody, doEndTag, doStartTag, findAncestorWithClass, getId, getParent, getValue, getValues, release, removeValue, setId, setPageContext, setParent, setValue
 
Methods from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
   
Methods from interface javax.servlet.jsp.tagext.BodyTag
doInitBody, setBodyContent
 
Methods from interface com.bea.wlw.netui.tags.IAttributeConsumer
setAttribute
 
Methods from interface javax.servlet.jsp.tagext.IterationTag
doAfterBody
 
Methods from interface javax.servlet.jsp.tagext.Tag
doEndTag, doStartTag, getParent, release, setPageContext, setParent
 
Methods from interface com.bea.wlw.netui.tags.html.URLParams
addParameter
 

Field Detail

action

protected String action
The action of this button. If an action is specified for this button, it will override the action of the enclosing Form tag.


ACTION_OVERRIDE

public static final String ACTION_OVERRIDE


buttonValue

protected String buttonValue


text

protected String text
The body content of this tag (if any).


type

protected String type
The type of button this is (submit, button, or reset).


TYPE

public static final String TYPE


value

protected String value
The text of the button (this will override any body text).


VALUE

public static final String VALUE

 

Constructor Detail

Button

public Button()
 

Method Detail

addParameter(String, Object) Method

public void addParameter(String name, 
                         Object value)
throws JspException
Adds a URL parameter to the generated hyperlink.

Parameters

name
- the name of the parameter to be added.
value
- the value of the parameter to be added (a String or String[]).

Exceptions

JspException

doAfterBody() Method

public int doAfterBody()
throws JspException
Save the associated button label from the body content (if any).

Overrides
BodyTagSupport.doAfterBody()

Exceptions

JspException
if a JSP exception has occurred

doEndTag() Method

public int doEndTag()
throws JspException
Render the button.

Overrides
BodyTagSupport.doEndTag()

Exceptions

JspException
if a JSP exception has occurred

doStartTag() Method

public int doStartTag()
throws JspException
Process the start of the Button.

Overrides
BodyTagSupport.doStartTag()

Exceptions

JspException
if a JSP exception has occurred

getAccessKey() Method

public String getAccessKey()
Gets the accessKey attribute value.

Returns

the accessKey value.

getAction() Method

public String getAction()
Return the action of the Button.

Returns

a String representing the action name of the Button.

getAlt() Method

public String getAlt()
Gets the alt attribute on the generate <input tag.

Returns

the alt value.

getDisabled() Method

public String getDisabled()
Returns the boolean value or expression indicating the disable state of the button.

Returns

the disabled state (true or false) or an expression

getOnBlur() Method

public String getOnBlur()
Gets the onBlur javascript event.

Returns

the onBlur event.

getOnChange() Method

public String getOnChange()
Gets the onChange javascript event.

Returns

the onChange event.

getOnClick() Method

public String getOnClick()
Gets the onClick javascript event.

Returns

the onClick event.

getOnDblClick() Method

public String getOnDblClick()
Gets the onDblClick javascript event.

Returns

the onDblClick event.

getOnFocus() Method

public String getOnFocus()
Gets the onFocus javascript event.

Returns

the onFocus event.

getOnKeyDown() Method

public String getOnKeyDown()
Gets the onKeyDown javascript event.

Returns

the onKeyDown event.

getOnKeyPress() Method

public String getOnKeyPress()
Gets the onKeyPress javascript event.

Returns

the onKeyPress event.

getOnKeyUp() Method

public String getOnKeyUp()
Gets the onKeyUp javascript event.

Returns

the onKeyUp event.

getOnMouseDown() Method

public String getOnMouseDown()
Gets the onMouseDown javascript event.

Returns

the onMouseDown event.

getOnMouseMove() Method

public String getOnMouseMove()
Gets the onMouseMove javascript event.

Returns

the onMouseMove event.

getOnMouseOut() Method

public String getOnMouseOut()
Gets the onMouseOut javascript event.

Returns

the onMouseOut event.

getOnMouseOver() Method

public String getOnMouseOver()
Gets the onMouseOver javascript event.

Returns

the onMouseOver event.

getOnMouseUp() Method

public String getOnMouseUp()
Gets the onMouseUp javascript event.

Returns

the onMouseUp event.

getOnSelect() Method

public String getOnSelect()
Gets the onSelect javascript event.

Returns

the onSelect event.

getStyle() Method

public String getStyle()
Gets the style of the rendered html tag.

Returns

the style.

getStyleClass() Method

public String getStyleClass()
Gets the style class of the rendered html tag.

Returns

the style class.

getTabindex() Method

public String getTabindex()
Gets the tabIndex of the rendered html tag.

Returns

the tabindex.

getTagId() Method

public String getTagId()
Return the ID of the button.

Returns

the ID.

getTagName() Method

public String getTagName()
Return the name of the Tag.

Overrides
AbstractBaseTag.getTagName()

getType() Method

public String getType()
Return the type of the Button.

Returns

the Button type.

getValue() Method

public String getValue()
Returns the value of the Button's text.

Returns

the Button value.

localRelease() Method

protected void localRelease()
Release any acquired resources.

Overrides
AbstractBaseTag.localRelease()

setAccessKey(String) Method

public void setAccessKey(String accessKey)
Sets the accessKey attribute value. This should key value of the keyboard navigation key. It is recommended not to use the following values because there are often used by browsers A, C, E, F, G, H, V, left arrow, and right arrow.

Parameters

accessKey
- the accessKey value.

setAction(String) Method

public void setAction(String action)
Set the name of the action for the Button.

Parameters

action
- the name of the action to set for the Button.

setAlt(String) Method

public void setAlt(String alt)
Sets the alt attribute value.

Parameters

alt
- the alt value.

setAttribute(String, String) Method

public void setAttribute(String name, 
                         String value)
throws JspException
Set an attribute value. The name represents the name of the attribute. The value represents the value and may contain a netui expression. This method may result in errors being generated. This requires that the tag buffer its body and write attributes in the end tag. For the button tag it is not legal to set the id, name, type, or value attributes with this method.

Parameters

name
The name of the attribute. This value may not be null or the empty string.
value
The value of the attribute. This may contain a netui expression.

Exceptions

JspException
A JspException may be thrown if there is an error setting the attribute.

setDisabled(String) Method

public void setDisabled(String disabled)
Set the disable state either with the literal "true" or "false" or with an expression.

Parameters

disabled
- true or false or an expression

setOnBlur(String) Method

public void setOnBlur(String onblur)
Sets the onBlur javascript event.

Parameters

onblur
- the onBlur event.

setOnChange(String) Method

public void setOnChange(String onchange)
Sets the onChange javascript event.

Parameters

onchange
- the onChange event.

setOnClick(String) Method

public void setOnClick(String onclick)
Sets the onClick javascript event.

Parameters

onclick
- the onClick event.

setOnDblClick(String) Method

public void setOnDblClick(String ondblclick)
Sets the onDblClick javascript event.

Parameters

ondblclick
- the onDblClick event.

setOnFocus(String) Method

public void setOnFocus(String onblur)
Sets the onFocus javascript event.

Parameters

onblur
- the onFocus event.

setOnKeyDown(String) Method

public void setOnKeyDown(String onkeydown)
Sets the onKeyDown javascript event.

Parameters

onkeydown
- the onKeyDown event.

setOnKeyPress(String) Method

public void setOnKeyPress(String onkeypress)
Sets the onKeyPress javascript event.

Parameters

onkeypress
- the onKeyPress event.

setOnKeyUp(String) Method

public void setOnKeyUp(String onkeyup)
Sets the onKeyUp javascript event.

Parameters

onkeyup
- the onKeyUp event.

setOnMouseDown(String) Method

public void setOnMouseDown(String onmousedown)
Sets the onMouseDown javascript event.

Parameters

onmousedown
- the onMouseDown event.

setOnMouseMove(String) Method

public void setOnMouseMove(String onmousemove)
Sets the onMouseMove javascript event.

Parameters

onmousemove
- the onMouseMove event.

setOnMouseOut(String) Method

public void setOnMouseOut(String onmouseout)
Sets the onMouseOut javascript event.

Parameters

onmouseout
- the onMouseOut event.

setOnMouseOver(String) Method

public void setOnMouseOver(String onmouseover)
Sets the onMouseOver javascript event.

Parameters

onmouseover
- the onMouseOver event.

setOnMouseUp(String) Method

public void setOnMouseUp(String onmouseup)
Sets the onMouseUp javascript event.

Parameters

onmouseup
- the onMouseUp event.

setOnSelect(String) Method

public void setOnSelect(String onselect)
Sets the onSelect javascript event.

Parameters

onselect
- the onSelect event.

setStyle(String) Method

public void setStyle(String style)
Sets the style of the rendered html tag.

Parameters

style
- the html style.

setStyleClass(String) Method

public void setStyleClass(String styleClass)
Sets the style class of the rendered html tag.

Parameters

styleClass
- the html style class.

setTabindex(String) Method

public void setTabindex(String tabindex)
Sets the tabIndex of the rendered html tag.

Parameters

tabindex
- the tab index.

setTagId(String) Method

public void setTagId(String tagId)
Set the ID of the button.

Parameters

tagId
- the ID.

setType(String) Method

public void setType(String type)
Set the type of the Button (submit, button, or reset).

Parameters

type
- the type of the Button.

setValue(String) Method

public void setValue(String value)
Set the value of the Button's text.

Parameters

value
- the value of the Button's text.