org.apache.click.control
Class PageLink

java.lang.Object
  org.apache.click.control.AbstractControl
      org.apache.click.control.AbstractLink
          org.apache.click.control.PageLink

All Implemented Interfaces:

Serializable, Control

public class PageLink
extends AbstractLink

Provides a Page Link control: <a href="" ></a>.

Page Link

The PageLink control is used to create links to other pages in your application. See also the W3C HTML reference: A Links

Author:

Malcolm Edgar

See Also:

AbstractLink, ActionLink, Serialized Form

Field Summary

protected Class

pageClass The target page class.

Fields inherited from class org.apache.click.control.AbstractLink

disabled, imageSrc, label, parameters, tabindex, title

Fields inherited from class org.apache.click.control.AbstractControl

actionListener, attributes, headElements, listener, listenerMethod, messages, name, parent, styles

Fields inherited from interface org.apache.click.Control

CONTROL_MESSAGES

Constructor Summary

PageLink()
Create an PageLink with no name defined.

PageLink(Class targetPage)
Create an PageLink for the given target Page class.

PageLink(String name)
Create an PageLink for the given name.

PageLink(String name, Class targetPage)
Create an PageLink for the given name and target Page class.

PageLink(String name, String label, Class targetPage)
Create an PageLink for the given name, label and target Page class.

Method Summary

String	getHref() Return the PageLink anchor <a> tag href attribute.
Class	getPageClass() Return the target Page class.
boolean	onProcess() This method will return true.
void	setActionListener(ActionListener listener) This method does nothing.
void	setListener(Object listener, String method) This method does nothing.
void	setPageClass(Class targetPage) Set the target Page class.

Methods inherited from class org.apache.click.control.AbstractLink

bindRequestParameters, bindRequestValue, getHtmlImports, getId, getImageSrc, getLabel, getParameter, getParameters, getParameterValues, getTabIndex, getTag, getTitle, hasParameters, isDisabled, render, renderParameters, setDisabled, setImageSrc, setLabel, setParameter, setParameterValues, setTabIndex, setTitle

Methods inherited from class org.apache.click.control.AbstractControl

addStyleClass, appendAttributes, dispatchActionEvent, getActionListener, getAttribute, getAttributes, getContext, getControlSizeEst, getHeadElements, getMessage, getMessage, getMessage, getMessages, getName, getPage, getParent, getStyle, getStyles, hasAttribute, hasAttributes, hasStyles, onDeploy, onDestroy, onInit, onRender, removeStyleClass, renderTagBegin, renderTagEnd, setAttribute, setId, setName, setParent, setStyle, toString

Methods inherited from class java.lang.Object

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

Field Detail

pageClass

protected Class pageClass

The target page class.

Constructor Detail

PageLink

public PageLink(String name)

Create an PageLink for the given name.

Parameters:

name - the page link name

Throws:

IllegalArgumentException - if the name is null

PageLink

public PageLink(String name,
                Class targetPage)

Create an PageLink for the given name and target Page class.

Parameters:

name - the page link name

targetPage - the target page class

Throws:

IllegalArgumentException - if the name is null

PageLink

public PageLink(String name,
                String label,
                Class targetPage)

Create an PageLink for the given name, label and target Page class.

Parameters:

name - the page link name

label - the page link label

targetPage - the target page class

Throws:

IllegalArgumentException - if the name is null

PageLink

public PageLink(Class targetPage)

Create an PageLink for the given target Page class.

Parameters:

targetPage - the target page class

Throws:

IllegalArgumentException - if the name is null

PageLink

public PageLink()

Create an PageLink with no name defined.

Please note the control's name and target pageClass must be defined before it is valid.

Method Detail

getHref

public String getHref()

Return the PageLink anchor <a> tag href attribute. This method will encode the URL with the session ID if required using HttpServletResponse.encodeURL().

Specified by:

getHref in class AbstractLink

Returns:

the PageLink HTML href attribute

setActionListener

public void setActionListener(ActionListener listener)

This method does nothing.

Overrides:

setActionListener in class AbstractControl

Parameters:

listener - the listener to invoke

See Also:

AbstractControl.setActionListener(org.apache.click.ActionListener)

setListener

public void setListener(Object listener,
                        String method)

This method does nothing.

Specified by:

setListener in interface Control

Overrides:

setListener in class AbstractControl

Parameters:

listener - the listener object with the named method to invoke

method - the name of the method to invoke

See Also:

Control.setListener(Object, String)

getPageClass

public Class getPageClass()

Return the target Page class.

Returns:

the target Page class

setPageClass

public void setPageClass(Class targetPage)

Set the target Page class. The page link href URL attribute will be to the path of the target page.

Parameters:

targetPage - the target Page class

onProcess

public boolean onProcess()

This method will return true.

Specified by:

onProcess in interface Control

Overrides:

onProcess in class AbstractControl

Returns:

true

See Also:

Control.onProcess()