Java Doc for UICommand.java in  » Web-Framework » RSF » uk » org » ponder » rsf » components » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Framework » RSF » uk.org.ponder.rsf.components 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   uk.org.ponder.rsf.components.UIComponent
      uk.org.ponder.rsf.components.UIParameterHolder
         uk.org.ponder.rsf.components.UICommand

UICommand
public class UICommand extends UIParameterHolder (Code)
Represents a control that will cause a non-idempotent (POST) request to the server. The basic case where the command is rendered using a piece of non-bound text is handled by filling in the "commandtext" field. For more complex command contents including bound ones, leave this field as null and add rendering components as childen of the command. You may NOT set the (navigation) target of a UICommand, by RSF design it will ALWAYS (in the case of an HTTP/HTML render system) post to the same URL as the page on which it is contained.
author:
   Antranig Basman (antranig@caret.cam.ac.uk)


Field Summary
public  UIBoundStringcommandtext
    
public  ELReferencemethodbinding
     The EL reference of the action/method binding to be invoked when this control is operated.


Method Summary
public static  UICommandmake(UIContainer parent, String ID, String text, String methodbinding)
     Creates a command link which will initiate a non-idempotent request (action cycle) to handle the command.
public static  UICommandmake(UIContainer parent, String ID, UIBoundString commandtext, String methodbinding)
     Creates a command control which accepts a bound string (for example a UIMessage) as the textual label.
public static  UICommandmake(UIContainer parent, String ID, UIBoundString commandtext)
     Construct a command control with a command text but no method binding.
public static  UICommandmake(UIContainer parent, String ID, String methodbinding)
     Construct a command control with a method binding, but the nested markup unchanged from the template.
public static  UICommandmake(UIContainer parent, String ID)
     Construct an "actionless" command link, suitable for a CRUD-type application where the data alteration constitutes the entire action.
public  UICommandsetReturn(String returnvalue)
     Sets the method binding for this UICommand to perform no action but to return the supplied value, should the cycle complete without errors.

Field Detail
commandtext
public UIBoundString commandtext(Code)
The text labelling this command control



methodbinding
public ELReference methodbinding(Code)
The EL reference of the action/method binding to be invoked when this control is operated.





Method Detail
make
public static UICommand make(UIContainer parent, String ID, String text, String methodbinding)(Code)
Creates a command link which will initiate a non-idempotent request (action cycle) to handle the command.
Parameters:
  parent - The parent component to which this action link will be addedas a child.
Parameters:
  text - The text that will be rendered to the user on this component.
Parameters:
  methodbinding - An RSF EL expression representing the action to betriggered when the user activates this link.



make
public static UICommand make(UIContainer parent, String ID, UIBoundString commandtext, String methodbinding)(Code)
Creates a command control which accepts a bound string (for example a UIMessage) as the textual label.
See Also:   UICommand.make(UIContainer,String,String,String)



make
public static UICommand make(UIContainer parent, String ID, UIBoundString commandtext)(Code)
Construct a command control with a command text but no method binding.
See Also:   UICommand.make(UIContainer,String,UIBoundString,String)



make
public static UICommand make(UIContainer parent, String ID, String methodbinding)(Code)
Construct a command control with a method binding, but the nested markup unchanged from the template.
See Also:   UICommand.make(UIContainer,String,String,String)



make
public static UICommand make(UIContainer parent, String ID)(Code)
Construct an "actionless" command link, suitable for a CRUD-type application where the data alteration constitutes the entire action.



setReturn
public UICommand setReturn(String returnvalue)(Code)
Sets the method binding for this UICommand to perform no action but to return the supplied value, should the cycle complete without errors. This will overwrite any existing method binding for the component.
Parameters:
  returnvalue - The required return value from the action cycle. this component.



Fields inherited from uk.org.ponder.rsf.components.UIParameterHolder
public ParameterList parameters(Code)(Java Doc)

Methods inherited from uk.org.ponder.rsf.components.UIParameterHolder
public UIParameterHolder addParameter(UIParameter param)(Code)(Java Doc)

Fields inherited from uk.org.ponder.rsf.components.UIComponent
public String ID(Code)(Java Doc)
public DecoratorList decorators(Code)(Java Doc)
public UIContainer parent(Code)(Java Doc)

Methods inherited from uk.org.ponder.rsf.components.UIComponent
public UIComponent decorate(UIDecorator decorator)(Code)(Java Doc)
public String getFullID()(Code)(Java Doc)
public void updateFullID(String fullID)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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