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Java Source Code / Java Documentation » Content Management System » apache lenya 2.0 » org.apache.cocoon.forms.formmodel   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.cocoon.forms.formmodel.AbstractWidget       org.apache.cocoon.forms.formmodel.Action All known Subclasses:   org.apache.cocoon.forms.formmodel.RowAction,  org.apache.cocoon.forms.formmodel.Submit,  org.apache.cocoon.forms.formmodel.RepeaterAction, Action public class Action extends AbstractWidget implements ActionListenerEnabled(Code) An Action widget. An Action widget can cause an ActionEvent to be triggered on the server side, which will be handled by either the event handlers defined in the form definition, and/or by the org.apache.cocoon.forms.event.FormHandler FormHandler registered with the form, if any. An Action widget can e.g. be rendered as a button, or as a hidden field which gets its value set by javascript. The Action widget will generate its associated ActionEvent when a requestparameter is present with as name the id of this Action widget, and as value a non-empty value. version:    $Id: Action.java 449149 2006-09-23 03:58:05Z crossley $ Constructor Summary public   Action(ActionDefinition definition)      Method Summary public  void addActionListener(ActionListener listener)      Adds a ActionListener to this widget instance. public  void broadcastEvent(WidgetEvent event)      public  WidgetDefinition getDefinition()      public  String getXMLElementName()      protected  void handleActivate()      Handle the fact that this action was activated. public  boolean isValid()      public  void performAction()      Performs all actions and calls on-action listeners attached to this object. public  void readFromRequest(FormContext formContext)      public  void removeActionListener(ActionListener listener)      public  boolean validate()      Constructor Detail Action public Action(ActionDefinition definition)(Code) Method Detail addActionListener public void addActionListener(ActionListener listener)(Code) Adds a ActionListener to this widget instance. Listeners defined on the widget instance will be executed in addtion to any listeners that might have been defined in the widget definition. broadcastEvent public void broadcastEvent(WidgetEvent event)(Code) getDefinition public WidgetDefinition getDefinition()(Code) getXMLElementName public String getXMLElementName()(Code) "action" handleActivate protected void handleActivate()(Code) Handle the fact that this action was activated. The default here is to perform any action associated to this object, end the current form processing and redisplay the form. See Also:   Action.performAction() isValid public boolean isValid()(Code) See Also:   org.apache.cocoon.forms.formmodel.Widget.isValid performAction public void performAction()(Code) Performs all actions and calls on-action listeners attached to this object. Note that this does not register this object as the submit widget and doesn't stop form processing. readFromRequest public void readFromRequest(FormContext formContext)(Code) removeActionListener public void removeActionListener(ActionListener listener)(Code) validate public boolean validate()(Code) Always return true (an action has no validation) TODO is there a use case for actions having validators? Fields inherited from org.apache.cocoon.forms.formmodel.AbstractWidget protected boolean wasValid(Code)(Java Doc) Methods inherited from org.apache.cocoon.forms.formmodel.AbstractWidget public void addValidator(WidgetValidator validator)(Code)(Java Doc) public void broadcastEvent(WidgetEvent event)(Code)(Java Doc) protected void generateDisplayData(ContentHandler contentHandler) throws SAXException(Code)(Java Doc) protected void generateItemSaxFragment(ContentHandler contentHandler, Locale locale) throws SAXException(Code)(Java Doc) public void generateLabel(ContentHandler contentHandler) throws SAXException(Code)(Java Doc) public void generateSaxFragment(ContentHandler contentHandler, Locale locale) throws SAXException(Code)(Java Doc) public Object getAttribute(String name)(Code)(Java Doc) protected Widget getChild(String id)(Code)(Java Doc) public WidgetState getCombinedState()(Code)(Java Doc) abstract public WidgetDefinition getDefinition()(Code)(Java Doc) public Form getForm()(Code)(Java Doc) public String getFullName()(Code)(Java Doc) public String getId()(Code)(Java Doc) public Location getLocation()(Code)(Java Doc) public String getName()(Code)(Java Doc) final public Widget getParent()(Code)(Java Doc) public String getRequestParameterName()(Code)(Java Doc) public WidgetState getState()(Code)(Java Doc) public Object getValue()(Code)(Java Doc) public Widget getWidget(String id)(Code)(Java Doc) protected AttributesImpl getXMLElementAttributes()(Code)(Java Doc) abstract protected String getXMLElementName()(Code)(Java Doc) public void initialize()(Code)(Java Doc) public boolean isRequired()(Code)(Java Doc) public boolean isValid()(Code)(Java Doc) public Widget lookupWidget(String path)(Code)(Java Doc) public void removeAttribute(String name)(Code)(Java Doc) public boolean removeValidator(WidgetValidator validator)(Code)(Java Doc) public void setAttribute(String name, Object value)(Code)(Java Doc) public void setParent(Widget widget)(Code)(Java Doc) public void setState(WidgetState state)(Code)(Java Doc) public void setValue(Object object)(Code)(Java Doc) public String toString()(Code)(Java Doc) public boolean validate()(Code)(Java Doc) protected void widgetNameChanged()(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)