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From jstrac...@apache.org
Subject cvs commit: jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/swing WindowListenerTag.java SwingTagLibrary.java ComponentTag.java
Date Fri, 09 Aug 2002 18:42:21 GMT
jstrachan    2002/08/09 11:42:21

  Modified:    jelly/src/java/org/apache/commons/jelly/tags/swing
                        SwingTagLibrary.java ComponentTag.java
  Added:       jelly/src/java/org/apache/commons/jelly/tags/swing
                        WindowListenerTag.java
  Log:
  added <windowListener> tag so that window listeners can be defined using Jelly script
  
  Revision  Changes    Path
  1.5       +1 -0      jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/swing/SwingTagLibrary.java
  
  Index: SwingTagLibrary.java
  ===================================================================
  RCS file: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/swing/SwingTagLibrary.java,v
  retrieving revision 1.4
  retrieving revision 1.5
  diff -u -r1.4 -r1.5
  --- SwingTagLibrary.java	1 Aug 2002 09:53:19 -0000	1.4
  +++ SwingTagLibrary.java	9 Aug 2002 18:42:21 -0000	1.5
  @@ -108,6 +108,7 @@
           
       public SwingTagLibrary() {
           registerTag( "action", ActionTag.class );
  +        registerTag( "windowListener", WindowListenerTag.class );
       }
   
       /** Creates a new script to execute the given tag name and attributes */
  
  
  
  1.4       +13 -0     jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/swing/ComponentTag.java
  
  Index: ComponentTag.java
  ===================================================================
  RCS file: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/swing/ComponentTag.java,v
  retrieving revision 1.3
  retrieving revision 1.4
  diff -u -r1.3 -r1.4
  --- ComponentTag.java	24 Jul 2002 17:34:43 -0000	1.3
  +++ ComponentTag.java	9 Aug 2002 18:42:21 -0000	1.4
  @@ -66,6 +66,8 @@
   import java.awt.Container;
   import java.awt.Dimension;
   import java.awt.Point;
  +import java.awt.Window;
  +import java.awt.event.WindowListener;
   
   import javax.swing.*;
   
  @@ -161,6 +163,17 @@
           if ( component != null ) {
               // lets just try set the 'action' property
               BeanUtils.setProperty( component, "action", action );
  +        }
  +    }
  +
  +    /**
  +     * Adds a WindowListener to this component
  +     */
  +    public void addWindowListener(WindowListener listener) throws Exception {
  +        Component component = getComponent();
  +        if ( component instanceof Window ) {
  +            Window window = (Window) component;
  +            window.addWindowListener(listener);
           }
       }
   
  
  
  
  1.1                  jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/swing/WindowListenerTag.java
  
  Index: WindowListenerTag.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/define/DynamicTag.java,v
1.7 2002/05/17 15:18:12 jstrachan Exp $
   * $Revision: 1.7 $
   * $Date: 2002/05/17 15:18:12 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999-2002 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, 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 acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", 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 names without prior written
   *    permission of the Apache Group.
   *
   * 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 (INCLUDING, 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.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   * 
   * $Id: DynamicTag.java,v 1.7 2002/05/17 15:18:12 jstrachan Exp $
   */
  package org.apache.commons.jelly.tags.swing;
  
  import java.awt.event.WindowEvent;
  import java.awt.event.WindowListener;
  
  import org.apache.commons.jelly.JellyException;
  import org.apache.commons.jelly.Script;
  import org.apache.commons.jelly.TagSupport;
  import org.apache.commons.jelly.XMLOutput;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  
  /** 
   * Creates a WindowListener which is attached to its parent window control which will invoke
   * named Jelly scripts as window events are fired, or will invoke its body if there is no
script
   * specified for the named event type.
   *
   * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
   * @version $Revision: 1.7 $
   */
  public class WindowListenerTag extends TagSupport {
  
      /** The Log to which logging calls will be made. */
      private static final Log log = LogFactory.getLog(WindowListenerTag.class);
  
      private String var;
      private Script activated;
      private Script closed;
      private Script closing;
      private Script deactivated;
      private Script deiconified;
      private Script iconified;
      private Script opened;
  
      public WindowListenerTag() {
      }
  
      // Tag interface
      //-------------------------------------------------------------------------        
           
      public void doTag(final XMLOutput output) throws Exception {
  
          // now lets add this action to its parent if we have one
          ComponentTag tag = (ComponentTag) findAncestorWithClass( ComponentTag.class );
          if ( tag != null ) {
              WindowListener listener = new WindowListener() {
                  public void windowActivated(WindowEvent e) {
                      invokeScript( output, e, activated );
                  }
  
                  public void windowClosed(WindowEvent e) {
                      invokeScript( output, e, closed );
                  }
  
                  public void windowClosing(WindowEvent e) {
                      invokeScript( output, e, closing );
                  }
  
                  public void windowDeactivated(WindowEvent e) {
                      invokeScript( output, e, deactivated );
                  }
  
                  public void windowDeiconified(WindowEvent e) {
                      invokeScript( output, e, deiconified );
                  }
  
                  public void windowIconified(WindowEvent e) {
                      invokeScript( output, e, iconified );
                  }
  
                  public void windowOpened(WindowEvent e) {                     
                      invokeScript( output, e, opened );
                  }
              };
              tag.addWindowListener(listener);
          }
      }
      
      // Properties
      //-------------------------------------------------------------------------        
           
  
  
      /**
       * Sets the name of the variable to use to expose the Event object
       */
      public void setVar(String var) {
          this.var = var;
      }
              
      /**
       * Sets the Script to be executed when the window is activated.
       */
      public void setActivated(Script activated) {
          this.activated = activated;
      }
  
      /**
       * Sets the Script to be executed when the window is closed.
       */
      public void setClosed(Script closed) {
          this.closed = closed;
      }
  
      /**
       * Sets the Script to be executed when the window is closing.
       */
      public void setClosing(Script closing) {
          this.closing = closing;
      }
  
      /**
       * Sets the Script to be executed when the window is deactivated.
       */
      public void setDeactivated(Script deactivated) {
          this.deactivated = deactivated;
      }
  
      /**
       * Sets the Script to be executed when the window is deiconified.
       */
      public void setDeiconified(Script deiconified) {
          this.deiconified = deiconified;
      }
  
      /**
       * Sets the Script to be executed when the window is iconified.
       */
      public void setIconified(Script iconified) {
          this.iconified = iconified;
      }
  
      /**
       * Sets the Script to be executed when the window is opened.
       */
      public void setOpened(Script opened) {
          this.opened = opened;
      }
  
  
      
      // Implementation methods
      //-------------------------------------------------------------------------        
           
      protected void invokeScript(XMLOutput output, WindowEvent event, Script script) {
          if ( var != null ) {
              // define a variable of the event
              context.setVariable(var, event);
          }
          
          try {
              if ( script != null ) {
                  script.run(context, output );
              }
              else {
                  // invoke the body
                  invokeBody(output);
              }
          }
          catch (Exception e) {
              log.error( "Caught exception processing window event: " + event, e );
          }
      }
          
  }
  
  
  

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