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Posted to dev@tapestry.apache.org by hl...@apache.org on 2003/04/10 23:02:29 UTC

cvs commit: jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/components ColumnSorter.java Browser.java

hlship      2003/04/10 14:02:29

  Modified:    examples/Vlib/context/WEB-INF ViewBook.page Border.jwc
                        ViewPerson.page EditBook.page ColumnSorter.jwc
                        ColumnSorter.html ConfirmBookDelete.page
               examples/Vlib/src/org/apache/tapestry/vlib/pages Login.java
                        MyLibrary.java BookMatches.java EditProfile.java
                        BorrowedBooks.java
               examples/Vlib/src/org/apache/tapestry/vlib/components
                        ColumnSorter.java Browser.java
  Added:       examples/Vlib/src/org/apache/tapestry/vlib ActivatePage.java
  Log:
  More tweaks and improvements to the Virtual Library.
  
  Revision  Changes    Path
  1.8       +3 -1      jakarta-tapestry/examples/Vlib/context/WEB-INF/ViewBook.page
  
  Index: ViewBook.page
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/context/WEB-INF/ViewBook.page,v
  retrieving revision 1.7
  retrieving revision 1.8
  diff -u -r1.7 -r1.8
  --- ViewBook.page	7 Apr 2003 18:16:54 -0000	1.7
  +++ ViewBook.page	10 Apr 2003 21:02:28 -0000	1.8
  @@ -6,6 +6,8 @@
   	
   <page-specification class="org.apache.tapestry.vlib.pages.ViewBook">
     
  +  <property name="page-type" value="Search"/>
  +  
     <property-specification name="bookId" type="java.lang.Integer" persistent="yes"/>
     <property-specification name="book" type="org.apache.tapestry.vlib.ejb.Book"/>
     
  
  
  
  1.10      +3 -1      jakarta-tapestry/examples/Vlib/context/WEB-INF/Border.jwc
  
  Index: Border.jwc
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/context/WEB-INF/Border.jwc,v
  retrieving revision 1.9
  retrieving revision 1.10
  diff -u -r1.9 -r1.10
  --- Border.jwc	1 Apr 2003 17:00:28 -0000	1.9
  +++ Border.jwc	10 Apr 2003 21:02:28 -0000	1.10
  @@ -33,6 +33,7 @@
     
     <component id="borrowedBooks" type="DirectLink">
     	<binding name="listener" expression="listeners.viewBorrowedBooks"/>	
  +    <binding name="stateful" expression="false"/>  	
     </component>
     
     <component id="borrowedBooksRollover" type="Rollover">
  @@ -51,6 +52,7 @@
     
     <component id="editProfile" type="DirectLink">
     	<binding name="listener" expression="listeners.editProfile"/>	
  +    <binding name="stateful" expression="false"/>
     </component>
     
     <component id="editProfileRollover" type="Rollover">
  
  
  
  1.10      +3 -1      jakarta-tapestry/examples/Vlib/context/WEB-INF/ViewPerson.page
  
  Index: ViewPerson.page
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/context/WEB-INF/ViewPerson.page,v
  retrieving revision 1.9
  retrieving revision 1.10
  diff -u -r1.9 -r1.10
  --- ViewPerson.page	7 Apr 2003 18:16:54 -0000	1.9
  +++ ViewPerson.page	10 Apr 2003 21:02:28 -0000	1.10
  @@ -6,6 +6,8 @@
   	
   <page-specification class="org.apache.tapestry.vlib.pages.ViewPerson">
   
  +  <property name="page-type" value="Search"/>
  +
     <property-specification name="personId" type="java.lang.Integer" persistent="yes"/>
     <property-specification name="person" type="org.apache.tapestry.vlib.ejb.Person"/>
     
  
  
  
  1.8       +3 -1      jakarta-tapestry/examples/Vlib/context/WEB-INF/EditBook.page
  
  Index: EditBook.page
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/context/WEB-INF/EditBook.page,v
  retrieving revision 1.7
  retrieving revision 1.8
  diff -u -r1.7 -r1.8
  --- EditBook.page	2 Apr 2003 19:22:38 -0000	1.7
  +++ EditBook.page	10 Apr 2003 21:02:28 -0000	1.8
  @@ -5,6 +5,8 @@
     "http://jakarta.apache.org/tapestry/dtd/Tapestry_1_4.dtd">
     
   <page-specification class="org.apache.tapestry.vlib.pages.EditBook">
  +	
  +	<property name="page-type" value="MyLibrary"/>
     
     <property-specification name="error" type="java.lang.String"/>
     <property-specification name="attributes" type="java.util.Map"/>
  
  
  
  1.3       +2 -2      jakarta-tapestry/examples/Vlib/context/WEB-INF/ColumnSorter.jwc
  
  Index: ColumnSorter.jwc
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/context/WEB-INF/ColumnSorter.jwc,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -r1.2 -r1.3
  --- ColumnSorter.jwc	8 Apr 2003 13:50:10 -0000	1.2
  +++ ColumnSorter.jwc	10 Apr 2003 21:02:28 -0000	1.3
  @@ -13,11 +13,11 @@
     <parameter name="sortColumn" type="org.apache.tapestry.vlib.ejb.SortColumn" required="yes" direction="auto"/>
     <parameter name="listener" type="org.apache.tapestry.IActionListener" required="yes" direction="auto"/>
     
  -  <component id="link1" type="DirectLink">
  +  <component id="link" type="DirectLink">
     	<binding name="listener" expression="listeners.handleClick"/>	
     </component>
     
  -  <component id="link2" copy-of="link1"/>
  +  <component id="iconLink" copy-of="link"/>
     
     <component id="rollover" type="Rollover">
     		<binding name="image">
  
  
  
  1.2       +4 -3      jakarta-tapestry/examples/Vlib/context/WEB-INF/ColumnSorter.html
  
  Index: ColumnSorter.html
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/context/WEB-INF/ColumnSorter.html,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- ColumnSorter.html	1 Apr 2003 17:00:28 -0000	1.1
  +++ ColumnSorter.html	10 Apr 2003 21:02:28 -0000	1.2
  @@ -1,7 +1,8 @@
   <!-- $Id$ -->
   
   <span jwcid="$content$">
  -<a jwcid="link1"><span jwcid="@RenderBody"/></a>
  +<a jwcid="link"><span jwcid="@RenderBody"/></a>
   <span jwcid="@Conditional" condition="ognl:sortColumn == selected">
  -<a jwcid="link2"><img jwcid="rollover" width="17" height="16" alt="Resort Column"/></a>
  +<a jwcid="iconLink"><img jwcid="rollover" width="17" height="16" alt="Resort Column"/></a>
  +</span>
   </span>
  
  
  
  1.8       +2 -2      jakarta-tapestry/examples/Vlib/context/WEB-INF/ConfirmBookDelete.page
  
  Index: ConfirmBookDelete.page
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/context/WEB-INF/ConfirmBookDelete.page,v
  retrieving revision 1.7
  retrieving revision 1.8
  diff -u -r1.7 -r1.8
  --- ConfirmBookDelete.page	2 Apr 2003 19:22:38 -0000	1.7
  +++ ConfirmBookDelete.page	10 Apr 2003 21:02:28 -0000	1.8
  @@ -6,7 +6,7 @@
     
   <page-specification class="org.apache.tapestry.vlib.pages.ConfirmBookDelete">
    
  -  <property name="page-type">MyLibrary</property>
  +  <property name="page-type" value="MyLibrary"/>
     
     <property-specification name="bookId" type="java.lang.Integer"/>
     <property-specification name="bookTitle" type="java.lang.String"/>
  
  
  
  1.1                  jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/ActivatePage.java
  
  Index: ActivatePage.java
  ===================================================================
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2000-2003 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 acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Apache" and "Apache Software Foundation", "Tapestry" 
   *    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" 
   *    or "Tapestry", nor may "Apache" or "Tapestry" 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 TAPESTRY CONTRIBUTOR COMMUNITY
   * 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/>.
   *
   */
  
  package org.apache.tapestry.vlib;
  
  import org.apache.tapestry.IRequestCycle;
  import org.apache.tapestry.PageRedirectException;
  import org.apache.tapestry.vlib.pages.Login;
  
  /**
   *  Subclass of {@link org.apache.tapestry.vlib.Protected} that
   *  implements {@link org.apache.tapestry.vlib.IActivate}.  Overrides
   *  {@link #validate(IRequestCycle)}.
   *
   *  @author Howard Lewis Ship
   *  @version $Id: ActivatePage.java,v 1.1 2003/04/10 21:02:28 hlship Exp $
   *  @since 2.4
   *
   **/
  
  public abstract class ActivatePage extends Protected implements IActivate
  {
      public void validate(IRequestCycle cycle)
      {
          Visit visit = (Visit) getVisit();
  
          if (visit != null && visit.isUserLoggedIn())
              return;
  
          // User not logged in ... redirect through the Login page.
  
          Login login = (Login) cycle.getPage("Login");
  
          login.setCallback(new ActivateCallback(this));
  
          throw new PageRedirectException(login);
      }
  }
  
  
  
  1.8       +20 -16    jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/pages/Login.java
  
  Index: Login.java
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/pages/Login.java,v
  retrieving revision 1.7
  retrieving revision 1.8
  diff -u -r1.7 -r1.8
  --- Login.java	3 Apr 2003 23:47:19 -0000	1.7
  +++ Login.java	10 Apr 2003 21:02:28 -0000	1.8
  @@ -62,6 +62,8 @@
   import org.apache.tapestry.IEngine;
   import org.apache.tapestry.IRequestCycle;
   import org.apache.tapestry.callback.ICallback;
  +import org.apache.tapestry.event.PageEvent;
  +import org.apache.tapestry.event.PageRenderListener;
   import org.apache.tapestry.form.IFormComponent;
   import org.apache.tapestry.html.BasePage;
   import org.apache.tapestry.valid.IValidationDelegate;
  @@ -84,7 +86,7 @@
    * 
    **/
   
  -public abstract class Login extends BasePage implements IErrorProperty
  +public abstract class Login extends BasePage implements IErrorProperty, PageRenderListener
   {
       /**
        *  The name of a cookie to store on the user's machine that will identify
  @@ -101,7 +103,7 @@
       public abstract String getEmail();
   
       public abstract String getPassword();
  -    
  +
       public abstract void setPassword(String password);
   
       protected IValidationDelegate getValidationDelegate()
  @@ -132,16 +134,16 @@
   
       public void attemptLogin(IRequestCycle cycle)
       {
  -    	String password = getPassword();
  -    	
  -    	// Do a little extra work to clear out the password.
  -    	
  -    	setPassword(null);
  -    	IValidationDelegate delegate = getValidationDelegate();
  -    	
  -    	delegate.setFormComponent((IFormComponent)getComponent("inputPassword"));
  -    	delegate.recordFieldInputValue(null);
  -    	
  +        String password = getPassword();
  +
  +        // Do a little extra work to clear out the password.
  +
  +        setPassword(null);
  +        IValidationDelegate delegate = getValidationDelegate();
  +
  +        delegate.setFormComponent((IFormComponent) getComponent("inputPassword"));
  +        delegate.recordFieldInputValue(null);
  +
           // An error, from a validation field, may already have occured.
   
           if (delegate.getHasErrors())
  @@ -220,12 +222,14 @@
           engine.forgetPage(getPageName());
       }
   
  -    protected void prepareForRender(IRequestCycle cycle)
  +    public void pageBeginRender(PageEvent event)
       {
  -        super.prepareForRender(cycle);
  -
           if (getEmail() == null)
               setEmail(getRequestCycle().getRequestContext().getCookieValue(COOKIE_NAME));
  +    }
  +
  +    public void pageEndRender(PageEvent event)
  +    {
       }
   
   }
  
  
  
  1.10      +5 -19     jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/pages/MyLibrary.java
  
  Index: MyLibrary.java
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/pages/MyLibrary.java,v
  retrieving revision 1.9
  retrieving revision 1.10
  diff -u -r1.9 -r1.10
  --- MyLibrary.java	7 Apr 2003 18:16:54 -0000	1.9
  +++ MyLibrary.java	10 Apr 2003 21:02:28 -0000	1.10
  @@ -63,9 +63,11 @@
   import org.apache.tapestry.PageRedirectException;
   import org.apache.tapestry.html.BasePage;
   import org.apache.tapestry.vlib.ActivateCallback;
  +import org.apache.tapestry.vlib.ActivatePage;
   import org.apache.tapestry.vlib.IActivate;
   import org.apache.tapestry.vlib.IErrorProperty;
   import org.apache.tapestry.vlib.IMessageProperty;
  +import org.apache.tapestry.vlib.Protected;
   import org.apache.tapestry.vlib.VirtualLibraryEngine;
   import org.apache.tapestry.vlib.Visit;
   import org.apache.tapestry.vlib.components.Browser;
  @@ -91,8 +93,8 @@
    **/
   
   public abstract class MyLibrary
  -    extends BasePage
  -    implements IMessageProperty, IActivate, IErrorProperty
  +    extends ActivatePage
  +    implements IMessageProperty
   {
       public abstract void setOwnedQuery(IBookQuery value);
   
  @@ -107,22 +109,6 @@
       public void finishLoad()
       {
           _browser = (Browser) getComponent("browser");
  -    }
  -
  -    public void validate(IRequestCycle cycle)
  -    {
  -        Visit visit = (Visit) getVisit();
  -
  -        if (visit != null && visit.isUserLoggedIn())
  -            return;
  -
  -        // User not logged in ... redirect through the Login page.
  -
  -        Login login = (Login) cycle.getPage("Login");
  -
  -        login.setCallback(new ActivateCallback(this));
  -
  -        throw new PageRedirectException(login);
       }
   
       public void activate(IRequestCycle cycle)
  
  
  
  1.7       +12 -13    jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/pages/BookMatches.java
  
  Index: BookMatches.java
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/pages/BookMatches.java,v
  retrieving revision 1.6
  retrieving revision 1.7
  diff -u -r1.6 -r1.7
  --- BookMatches.java	7 Apr 2003 18:16:54 -0000	1.6
  +++ BookMatches.java	10 Apr 2003 21:02:28 -0000	1.7
  @@ -57,15 +57,15 @@
   
   import java.rmi.RemoteException;
   
  -import org.apache.tapestry.IRequestCycle;
  -import org.apache.tapestry.html.BasePage;
  -import org.apache.tapestry.vlib.IErrorProperty;
  -import org.apache.tapestry.vlib.VirtualLibraryEngine;
  -import org.apache.tapestry.vlib.components.Browser;
  -import org.apache.tapestry.vlib.ejb.IBookQuery;
  -import org.apache.tapestry.vlib.ejb.MasterQueryParameters;
  -import org.apache.tapestry.vlib.ejb.SortColumn;
  -import org.apache.tapestry.vlib.ejb.SortOrdering;
  +	import org.apache.tapestry.IRequestCycle;
  +	import org.apache.tapestry.html.BasePage;
  +	import org.apache.tapestry.vlib.IMessageProperty;
  +	import org.apache.tapestry.vlib.VirtualLibraryEngine;
  +	import org.apache.tapestry.vlib.components.Browser;
  +	import org.apache.tapestry.vlib.ejb.IBookQuery;
  +	import org.apache.tapestry.vlib.ejb.MasterQueryParameters;
  +	import org.apache.tapestry.vlib.ejb.SortColumn;
  +	import org.apache.tapestry.vlib.ejb.SortOrdering;
   
   /**
    *  Runs queries and displays matches.
  @@ -108,9 +108,8 @@
   
           if (count == 0)
           {
  -            Home home = (Home) cycle.getPage("Home");
  -            home.setMessage(getString("no-matches"));
  -            cycle.setPage(home);
  +            IMessageProperty page = (IMessageProperty) cycle.getPage();
  +			page.setMessage(getString("no-matches"));
               return;
           }
   
  
  
  
  1.9       +6 -7      jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/pages/EditProfile.java
  
  Index: EditProfile.java
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/pages/EditProfile.java,v
  retrieving revision 1.8
  retrieving revision 1.9
  diff -u -r1.8 -r1.9
  --- EditProfile.java	3 Apr 2003 23:47:19 -0000	1.8
  +++ EditProfile.java	10 Apr 2003 21:02:28 -0000	1.9
  @@ -68,8 +68,7 @@
   import org.apache.tapestry.event.PageRenderListener;
   import org.apache.tapestry.form.IFormComponent;
   import org.apache.tapestry.valid.IValidationDelegate;
  -import org.apache.tapestry.vlib.IActivate;
  -import org.apache.tapestry.vlib.Protected;
  +import org.apache.tapestry.vlib.ActivatePage;
   import org.apache.tapestry.vlib.VirtualLibraryEngine;
   import org.apache.tapestry.vlib.Visit;
   import org.apache.tapestry.vlib.ejb.IOperations;
  @@ -82,7 +81,7 @@
    * 
    **/
   
  -public abstract class EditProfile extends Protected implements PageRenderListener, IActivate
  +public abstract class EditProfile extends ActivatePage implements PageRenderListener
   {
       public abstract String getPassword1();
   
  @@ -109,7 +108,7 @@
       public void activate(IRequestCycle cycle)
       {
           Visit visit = (Visit) getVisit();
  -        VirtualLibraryEngine vengine = (VirtualLibraryEngine)cycle.getEngine();
  +        VirtualLibraryEngine vengine = (VirtualLibraryEngine) cycle.getEngine();
   
           Integer userId = visit.getUserId();
           Map attributes = null;
  @@ -181,7 +180,7 @@
           }
   
           Visit visit = (Visit) getVisit();
  -        VirtualLibraryEngine vengine = (VirtualLibraryEngine)cycle.getEngine();
  +        VirtualLibraryEngine vengine = (VirtualLibraryEngine) cycle.getEngine();
           Integer userId = visit.getUserId();
   
           int i = 0;
  @@ -213,7 +212,7 @@
   
           vengine.clearCache();
   
  -        MyLibrary myLibrary = (MyLibrary)cycle.getPage("MyLibrary");
  +        MyLibrary myLibrary = (MyLibrary) cycle.getPage("MyLibrary");
           myLibrary.activate(cycle);
       }
   
  
  
  
  1.9       +4 -5      jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/pages/BorrowedBooks.java
  
  Index: BorrowedBooks.java
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/pages/BorrowedBooks.java,v
  retrieving revision 1.8
  retrieving revision 1.9
  diff -u -r1.8 -r1.9
  --- BorrowedBooks.java	7 Apr 2003 18:16:54 -0000	1.8
  +++ BorrowedBooks.java	10 Apr 2003 21:02:28 -0000	1.9
  @@ -61,9 +61,8 @@
   
   import org.apache.tapestry.ApplicationRuntimeException;
   import org.apache.tapestry.IRequestCycle;
  -import org.apache.tapestry.vlib.IActivate;
  +import org.apache.tapestry.vlib.ActivatePage;
   import org.apache.tapestry.vlib.IMessageProperty;
  -import org.apache.tapestry.vlib.Protected;
   import org.apache.tapestry.vlib.VirtualLibraryEngine;
   import org.apache.tapestry.vlib.Visit;
   import org.apache.tapestry.vlib.components.Browser;
  @@ -82,8 +81,8 @@
    **/
   
   public abstract class BorrowedBooks
  -    extends Protected
  -    implements IMessageProperty, IActivate
  +    extends ActivatePage
  +    implements IMessageProperty
   {
       private Browser _browser;
   
  
  
  
  1.3       +1 -12     jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/components/ColumnSorter.java
  
  Index: ColumnSorter.java
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/components/ColumnSorter.java,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -r1.2 -r1.3
  --- ColumnSorter.java	2 Apr 2003 19:22:43 -0000	1.2
  +++ ColumnSorter.java	10 Apr 2003 21:02:28 -0000	1.3
  @@ -105,15 +105,4 @@
   
           listener.actionTriggered(this, cycle);
       }
  -
  -    public IAsset getImage()
  -    {
  -        return getAsset(isDescending() ? "up" : "down");
  -
  -    }
  -
  -    public IAsset getFocus()
  -    {
  -        return getAsset(isDescending() ? "up_h" : "down_h");
  -    }
   }
  
  
  
  1.6       +13 -7     jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/components/Browser.java
  
  Index: Browser.java
  ===================================================================
  RCS file: /home/cvs/jakarta-tapestry/examples/Vlib/src/org/apache/tapestry/vlib/components/Browser.java,v
  retrieving revision 1.5
  retrieving revision 1.6
  diff -u -r1.5 -r1.6
  --- Browser.java	7 Apr 2003 18:16:55 -0000	1.5
  +++ Browser.java	10 Apr 2003 21:02:29 -0000	1.6
  @@ -155,6 +155,15 @@
           return result;
       }
   
  +	/**
  +	 *  Invoked to change the displayed page number.
  +	 * 
  +	 *  @param page page to display, numbered from one.  The currentPage property will be
  +	 *  updated.  The value is constrained to fit in the valid range of pages
  +	 *  for the component.
  +	 * 
  +	 **/
  +	
       public void jump(int page)
       {
           if (page < 2)
  @@ -198,14 +207,12 @@
       {
           Object[] books = getPageResults();
           int count = Tapestry.size(books);
  -
  +		String element = getElement();
  +		
           for (int i = 0; i < count; i++)
           {
  -
               setValue(books[i]);
   
  -            String element = getElement();
  -
               if (element != null)
               {
                   writer.begin(element);
  @@ -236,8 +243,8 @@
               return;
   
           Book[] pageResults = null;
  +        
           int i = 0;
  -
           while (true)
           {
   
  @@ -267,7 +274,6 @@
   
       public void pageEndRender(PageEvent event)
       {
  -        setPageResults(null);
       }
   
   }