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Posted to cvs@cocoon.apache.org by br...@apache.org on 2003/05/14 13:35:38 UTC

cvs commit: cocoon-2.1/src/blocks/woody/java/org/apache/cocoon/woody/samples Form1Handler.java

bruno       2003/05/14 04:35:38

  Modified:    src/blocks/woody/java/org/apache/cocoon/woody
                        DefaultFormManager.java
  Added:       src/blocks/woody/java/org/apache/cocoon/woody
                        FormHandler.java
               src/blocks/woody/java/org/apache/cocoon/woody/event
                        ActionEvent.java
               src/blocks/woody/java/org/apache/cocoon/woody/formmodel
                        Button.java ButtonDefinition.java
                        ButtonDefinitionBuilder.java
               src/blocks/woody/java/org/apache/cocoon/woody/samples
                        Form1Handler.java
  Log:
  added a Button widget and some event handling stuff
  
  Revision  Changes    Path
  1.3       +4 -0      cocoon-2.1/src/blocks/woody/java/org/apache/cocoon/woody/DefaultFormManager.java
  
  Index: DefaultFormManager.java
  ===================================================================
  RCS file: /home/cvs/cocoon-2.1/src/blocks/woody/java/org/apache/cocoon/woody/DefaultFormManager.java,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -r1.2 -r1.3
  --- DefaultFormManager.java	13 May 2003 11:59:00 -0000	1.2
  +++ DefaultFormManager.java	14 May 2003 11:35:38 -0000	1.3
  @@ -114,6 +114,10 @@
           lifecycleHelper.setupComponent(widgetDefinitionBuilder);
           widgetDefinitionBuilders.put("multivaluefield", widgetDefinitionBuilder);
   
  +        widgetDefinitionBuilder = new ButtonDefinitionBuilder();
  +        lifecycleHelper.setupComponent(widgetDefinitionBuilder);
  +        widgetDefinitionBuilders.put("button", widgetDefinitionBuilder);
  +
           // special case
           formDefinitionBuilder = new FormDefinitionBuilder();
           lifecycleHelper.setupComponent(formDefinitionBuilder);
  
  
  
  1.1                  cocoon-2.1/src/blocks/woody/java/org/apache/cocoon/woody/FormHandler.java
  
  Index: FormHandler.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
  
   Redistribution and use in source and binary forms, with or without modifica-
   tion, are permitted provided that the following conditions are met:
  
   1. Redistributions of  source code must  retain the above copyright  notice,
      this list of conditions and the following disclaimer.
  
   2. Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
  
   3. The end-user documentation included with the redistribution, if any, must
      include  the following  acknowledgment:  "This product includes  software
      developed  by the  Apache Software Foundation  (http://www.apache.org/)."
      Alternately, this  acknowledgment may  appear in the software itself,  if
      and wherever such third-party acknowledgments normally appear.
  
   4. The names "Apache Cocoon" and  "Apache Software Foundation" must  not  be
      used to  endorse or promote  products derived from  this software without
      prior written permission. For written permission, please contact
      apache@apache.org.
  
   5. Products  derived from this software may not  be called "Apache", nor may
      "Apache" appear  in their name,  without prior written permission  of the
      Apache Software Foundation.
  
   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
   APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
   INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
   DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
   OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
   ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
   (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
   This software  consists of voluntary contributions made  by many individuals
   on  behalf of the Apache Software  Foundation and was  originally created by
   Stefano Mazzocchi  <st...@apache.org>. For more  information on the Apache
   Software Foundation, please see <http://www.apache.org/>.
  
  */
  package org.apache.cocoon.woody;
  
  import org.apache.cocoon.woody.event.ActionEvent;
  import org.apache.cocoon.woody.formmodel.Form;
  
  /**
   * A FormHandler is (will be) responsible for handling all kinds of form-related events
   * and related stuff (custom validation, ...).
   */
  public interface FormHandler {
      /**
       * Should be called once when creating the FormHandler, before any other method is called.
       */
      public void setup(Form form);
  
      /**
       * Called when an ActionEvent occured.
       */
      public void handleActionEvent(ActionEvent actionEvent);
  }
  
  
  
  1.1                  cocoon-2.1/src/blocks/woody/java/org/apache/cocoon/woody/event/ActionEvent.java
  
  Index: ActionEvent.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
  
   Redistribution and use in source and binary forms, with or without modifica-
   tion, are permitted provided that the following conditions are met:
  
   1. Redistributions of  source code must  retain the above copyright  notice,
      this list of conditions and the following disclaimer.
  
   2. Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
  
   3. The end-user documentation included with the redistribution, if any, must
      include  the following  acknowledgment:  "This product includes  software
      developed  by the  Apache Software Foundation  (http://www.apache.org/)."
      Alternately, this  acknowledgment may  appear in the software itself,  if
      and wherever such third-party acknowledgments normally appear.
  
   4. The names "Apache Cocoon" and  "Apache Software Foundation" must  not  be
      used to  endorse or promote  products derived from  this software without
      prior written permission. For written permission, please contact
      apache@apache.org.
  
   5. Products  derived from this software may not  be called "Apache", nor may
      "Apache" appear  in their name,  without prior written permission  of the
      Apache Software Foundation.
  
   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
   APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
   INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
   DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
   OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
   ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
   (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
   This software  consists of voluntary contributions made  by many individuals
   on  behalf of the Apache Software  Foundation and was  originally created by
   Stefano Mazzocchi  <st...@apache.org>. For more  information on the Apache
   Software Foundation, please see <http://www.apache.org/>.
  
  */
  package org.apache.cocoon.woody.event;
  
  import org.apache.cocoon.woody.formmodel.Widget;
  
  /**
   * Currently this event originates from a {@link org.apache.cocoon.woody.formmodel.Button Button}
   * widget.
   */
  public interface ActionEvent {
      public String getActionCommand();
      public Widget getSource();
  }
  
  
  
  1.1                  cocoon-2.1/src/blocks/woody/java/org/apache/cocoon/woody/formmodel/Button.java
  
  Index: Button.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
  
   Redistribution and use in source and binary forms, with or without modifica-
   tion, are permitted provided that the following conditions are met:
  
   1. Redistributions of  source code must  retain the above copyright  notice,
      this list of conditions and the following disclaimer.
  
   2. Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
  
   3. The end-user documentation included with the redistribution, if any, must
      include  the following  acknowledgment:  "This product includes  software
      developed  by the  Apache Software Foundation  (http://www.apache.org/)."
      Alternately, this  acknowledgment may  appear in the software itself,  if
      and wherever such third-party acknowledgments normally appear.
  
   4. The names "Apache Cocoon" and  "Apache Software Foundation" must  not  be
      used to  endorse or promote  products derived from  this software without
      prior written permission. For written permission, please contact
      apache@apache.org.
  
   5. Products  derived from this software may not  be called "Apache", nor may
      "Apache" appear  in their name,  without prior written permission  of the
      Apache Software Foundation.
  
   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
   APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
   INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
   DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
   OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
   ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
   (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
   This software  consists of voluntary contributions made  by many individuals
   on  behalf of the Apache Software  Foundation and was  originally created by
   Stefano Mazzocchi  <st...@apache.org>. For more  information on the Apache
   Software Foundation, please see <http://www.apache.org/>.
  
  */
  package org.apache.cocoon.woody.formmodel;
  
  import org.apache.cocoon.woody.FormContext;
  import org.apache.cocoon.woody.Constants;
  import org.apache.cocoon.woody.event.ActionEvent;
  import org.apache.cocoon.xml.AttributesImpl;
  import org.xml.sax.ContentHandler;
  import org.xml.sax.SAXException;
  
  import java.util.Locale;
  
  /**
   * A Button widget. A button can be activated by the user, causing the form to be submitted
   * and an event to occur on the server side.
   */
  public class Button extends AbstractWidget {
      private ButtonDefinition definition;
  
      public Button(ButtonDefinition definition) {
          this.definition = definition;
      }
  
      public String getId() {
          return definition.getId();
      }
  
      public void readFromRequest(FormContext formContext) {
          String value = formContext.getRequest().getParameter(getFullyQualifiedId());
          if (value != null && value.equals("selected")) {
              formContext.setActionEvent(new ActionEvent() {
                  public String getActionCommand() {
                      return definition.getActionCommand();
                  }
  
                  public Widget getSource() {
                      return Button.this;
                  }
              });
          }
      }
  
      public boolean validate(FormContext formContext) {
          return true;
      }
  
      private static final String BUTTON_EL = "button";
      private static final String LABEL_EL = "label";
  
      public void generateSaxFragment(ContentHandler contentHandler, Locale locale) throws SAXException {
          AttributesImpl buttonAttrs = new AttributesImpl();
          buttonAttrs.addCDATAAttribute("id", getFullyQualifiedId());
          contentHandler.startElement(Constants.WI_NS, BUTTON_EL, Constants.WI_PREFIX_COLON + BUTTON_EL, buttonAttrs);
          contentHandler.startElement(Constants.WI_NS, LABEL_EL, Constants.WI_PREFIX_COLON + LABEL_EL, Constants.EMPTY_ATTRS);
          generateLabel(contentHandler);
          contentHandler.endElement(Constants.WI_NS, LABEL_EL, Constants.WI_PREFIX_COLON + LABEL_EL);
          contentHandler.endElement(Constants.WI_NS, BUTTON_EL, Constants.WI_PREFIX_COLON + BUTTON_EL);
      }
  
      public void generateLabel(ContentHandler contentHandler) throws SAXException {
          definition.generateLabel(contentHandler);
      }
  }
  
  
  
  1.1                  cocoon-2.1/src/blocks/woody/java/org/apache/cocoon/woody/formmodel/ButtonDefinition.java
  
  Index: ButtonDefinition.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
  
   Redistribution and use in source and binary forms, with or without modifica-
   tion, are permitted provided that the following conditions are met:
  
   1. Redistributions of  source code must  retain the above copyright  notice,
      this list of conditions and the following disclaimer.
  
   2. Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
  
   3. The end-user documentation included with the redistribution, if any, must
      include  the following  acknowledgment:  "This product includes  software
      developed  by the  Apache Software Foundation  (http://www.apache.org/)."
      Alternately, this  acknowledgment may  appear in the software itself,  if
      and wherever such third-party acknowledgments normally appear.
  
   4. The names "Apache Cocoon" and  "Apache Software Foundation" must  not  be
      used to  endorse or promote  products derived from  this software without
      prior written permission. For written permission, please contact
      apache@apache.org.
  
   5. Products  derived from this software may not  be called "Apache", nor may
      "Apache" appear  in their name,  without prior written permission  of the
      Apache Software Foundation.
  
   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
   APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
   INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
   DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
   OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
   ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
   (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
   This software  consists of voluntary contributions made  by many individuals
   on  behalf of the Apache Software  Foundation and was  originally created by
   Stefano Mazzocchi  <st...@apache.org>. For more  information on the Apache
   Software Foundation, please see <http://www.apache.org/>.
  
  */
  package org.apache.cocoon.woody.formmodel;
  
  /**
   * The {@link WidgetDefinition} part of a Button widget, see {@link Button} for more information.
   */
  public class ButtonDefinition extends AbstractWidgetDefinition {
      private String actionCommand;
  
      public void setActionCommand(String actionCommand) {
          this.actionCommand = actionCommand;
      }
  
      public String getActionCommand() {
          return actionCommand;
      }
  
      public Widget createInstance() {
          return new Button(this);
      }
  }
  
  
  
  1.1                  cocoon-2.1/src/blocks/woody/java/org/apache/cocoon/woody/formmodel/ButtonDefinitionBuilder.java
  
  Index: ButtonDefinitionBuilder.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
  
   Redistribution and use in source and binary forms, with or without modifica-
   tion, are permitted provided that the following conditions are met:
  
   1. Redistributions of  source code must  retain the above copyright  notice,
      this list of conditions and the following disclaimer.
  
   2. Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
  
   3. The end-user documentation included with the redistribution, if any, must
      include  the following  acknowledgment:  "This product includes  software
      developed  by the  Apache Software Foundation  (http://www.apache.org/)."
      Alternately, this  acknowledgment may  appear in the software itself,  if
      and wherever such third-party acknowledgments normally appear.
  
   4. The names "Apache Cocoon" and  "Apache Software Foundation" must  not  be
      used to  endorse or promote  products derived from  this software without
      prior written permission. For written permission, please contact
      apache@apache.org.
  
   5. Products  derived from this software may not  be called "Apache", nor may
      "Apache" appear  in their name,  without prior written permission  of the
      Apache Software Foundation.
  
   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
   APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
   INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
   DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
   OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
   ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
   (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
   This software  consists of voluntary contributions made  by many individuals
   on  behalf of the Apache Software  Foundation and was  originally created by
   Stefano Mazzocchi  <st...@apache.org>. For more  information on the Apache
   Software Foundation, please see <http://www.apache.org/>.
  
  */
  package org.apache.cocoon.woody.formmodel;
  
  import org.w3c.dom.Element;
  import org.apache.cocoon.woody.util.DomHelper;
  
  /**
   * Builds {ButtonDefinition}s.
   */
  public class ButtonDefinitionBuilder extends AbstractWidgetDefinitionBuilder {
      public WidgetDefinition buildWidgetDefinition(Element widgetElement) throws Exception {
          ButtonDefinition buttonDefinition = new ButtonDefinition();
          setId(widgetElement, buttonDefinition);
          setLabel(widgetElement, buttonDefinition);
  
          String actionCommand = DomHelper.getAttribute(widgetElement, "action-command");
          buttonDefinition.setActionCommand(actionCommand);
  
          return buttonDefinition;
      }
  }
  
  
  
  1.1                  cocoon-2.1/src/blocks/woody/java/org/apache/cocoon/woody/samples/Form1Handler.java
  
  Index: Form1Handler.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
  
   Redistribution and use in source and binary forms, with or without modifica-
   tion, are permitted provided that the following conditions are met:
  
   1. Redistributions of  source code must  retain the above copyright  notice,
      this list of conditions and the following disclaimer.
  
   2. Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
  
   3. The end-user documentation included with the redistribution, if any, must
      include  the following  acknowledgment:  "This product includes  software
      developed  by the  Apache Software Foundation  (http://www.apache.org/)."
      Alternately, this  acknowledgment may  appear in the software itself,  if
      and wherever such third-party acknowledgments normally appear.
  
   4. The names "Apache Cocoon" and  "Apache Software Foundation" must  not  be
      used to  endorse or promote  products derived from  this software without
      prior written permission. For written permission, please contact
      apache@apache.org.
  
   5. Products  derived from this software may not  be called "Apache", nor may
      "Apache" appear  in their name,  without prior written permission  of the
      Apache Software Foundation.
  
   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
   APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
   INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
   DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
   OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
   ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
   (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
   This software  consists of voluntary contributions made  by many individuals
   on  behalf of the Apache Software  Foundation and was  originally created by
   Stefano Mazzocchi  <st...@apache.org>. For more  information on the Apache
   Software Foundation, please see <http://www.apache.org/>.
  
  */
  package org.apache.cocoon.woody.samples;
  
  import org.apache.cocoon.woody.FormHandler;
  import org.apache.cocoon.woody.formmodel.Form;
  import org.apache.cocoon.woody.formmodel.Repeater;
  import org.apache.cocoon.woody.event.ActionEvent;
  
  /**
   * Example FormHandler for the "Form1" sample form.
   */
  public class Form1Handler implements FormHandler {
      private Form form;
  
      public void setup(Form form) {
          this.form = form;
      }
  
      public void handleActionEvent(ActionEvent actionEvent) {
          String command = actionEvent.getActionCommand();
  
          if (command.equals("add-contact")) {
              Repeater repeater = (Repeater)form.getWidget("contacts");
              repeater.addRow();
          } else if (command.equals("remove-selected-contacts")) {
              removeSelectedContacts();
          }
      }
  
      private void removeSelectedContacts() {
          Repeater repeater = (Repeater)form.getWidget("contacts");
          for (int i = repeater.getSize() - 1; i >= 0; i--) {
              boolean selected = ((Boolean)repeater.getRow(i).getWidget("select").getValue()).booleanValue();
              if (selected)
                  repeater.removeRow(i);
          }
      }
  }