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From jstrac...@apache.org
Subject cvs commit: jakarta-commons/jelly/jelly-tags/swt/src/java/org/apache/commons/jelly/tags/swt ImageTag.java SwtTagLibrary.java
Date Fri, 07 Feb 2003 12:53:55 GMT
jstrachan    2003/02/07 04:53:55

  Modified:    jelly/jelly-tags/swt/src/java/org/apache/commons/jelly/tags/swt
                        SwtTagLibrary.java
  Added:       jelly/jelly-tags/swt/src/java/org/apache/commons/jelly/tags/swt
                        ImageTag.java
  Log:
  Applied patch supplied by Christiaan ten Klooster via JIRA
  
  http://jira.werken.com/secure/ViewIssue.jspa?key=JELLY-29
  
  many thanks! 
  
  (an example of the image tag in action would be nice :-)
  
  Revision  Changes    Path
  1.5       +3 -0      jakarta-commons/jelly/jelly-tags/swt/src/java/org/apache/commons/jelly/tags/swt/SwtTagLibrary.java
  
  Index: SwtTagLibrary.java
  ===================================================================
  RCS file: /home/cvs/jakarta-commons/jelly/jelly-tags/swt/src/java/org/apache/commons/jelly/tags/swt/SwtTagLibrary.java,v
  retrieving revision 1.4
  retrieving revision 1.5
  diff -u -r1.4 -r1.5
  --- SwtTagLibrary.java	1 Feb 2003 11:22:23 -0000	1.4
  +++ SwtTagLibrary.java	7 Feb 2003 12:53:55 -0000	1.5
  @@ -151,6 +151,9 @@
           
           // events
           registerTag("onEvent", OnEventTag.class);
  +
  +        // other tags                    
  +        registerTag("image", ImageTag.class);
       }
   
       /**
  
  
  
  1.1                  jakarta-commons/jelly/jelly-tags/swt/src/java/org/apache/commons/jelly/tags/swt/ImageTag.java
  
  Index: ImageTag.java
  ===================================================================
  /*
  * ====================================================================
  *
  * The Apache Software License, Version 1.1
  *
  * Copyright (c) 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/>.
  * 
  */
  package org.apache.commons.jelly.tags.swt;
  
  import org.apache.commons.jelly.JellyTagException;
  import org.apache.commons.jelly.TagSupport;
  import org.apache.commons.jelly.XMLOutput;
  
  import org.eclipse.swt.graphics.Image;
  import org.eclipse.swt.widgets.Button;
  import org.eclipse.swt.widgets.Item;
  import org.eclipse.swt.widgets.Label;
  import org.eclipse.swt.widgets.Widget;
  
  /**
   * This creates an image on the parent Widget.
   *
   * @author <a href="mailto:ckl@dacelo.nl">Christiaan ten Klooster</a>
   * @version 
   */
  public class ImageTag extends TagSupport {
  
  	/** path to file */
  	private String src;
  
  	public ImageTag() {
  	}
  
  	/**
  	 * Sets the src.
  	 * @param src The src to set
  	 */
  	public void setSrc(String src) {
  		this.src = src;
  	}
  
  	/**
  	 * Method getSrc.
  	 * @return String
  	 */
  	public String getSrc() {
  		return src;
  	}
  
  	/**
  	 * @return the parent widget which this widget will be added to.
  	 */
  	public Widget getParentWidget() {
  		WidgetTag tag = (WidgetTag) findAncestorWithClass(WidgetTag.class);
  		if (tag != null) {
  			return tag.getWidget();
  		}
  		return null;
  	}
  
      // Tag interface
      //-------------------------------------------------------------------------
  
      /**
       * @see org.apache.commons.jelly.Tag#doTag(org.apache.commons.jelly.XMLOutput)
       */
      public void doTag(XMLOutput output) throws JellyTagException {
          // invoke by body just in case some nested tag configures me
          invokeBody(output);
          
  		Widget parent = getParentWidget();
          if (parent == null) {
              throw new JellyTagException("This tag must be nested within a widget");
          }
          
  		Image image = new Image(parent.getDisplay(), getSrc());
  
  		if (parent instanceof Label) {
  			Label label = (Label) parent;
  			label.setImage(image);
  
  		} else if (parent instanceof Button) {
  			Button button = (Button) parent;
  			button.setImage(image);
  			
  		} else if (parent instanceof Item) {
  			Item item = (Item) parent;
  			item.setImage(image);
  			
  		} else {
  			throw new JellyTagException("This tag must be nested inside a <label>, <button>
or <item> tag");
  		}
  	}
  
  }
  
  
  

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