| /* |
| * Copyright 2002,2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.jelly.tags.swing; |
| |
| import java.awt.Font; |
| import java.util.Map; |
| |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.MapTagSupport; |
| import org.apache.commons.jelly.XMLOutput; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| /** |
| * Creates an Font and attaches it to the parent component or exports the font as |
| * a reusable variable that can be attached to multiple widgets. |
| * |
| * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
| * @version $Revision: 1.7 $ |
| */ |
| public class FontTag extends MapTagSupport { |
| |
| /** The Log to which logging calls will be made. */ |
| private static final Log log = LogFactory.getLog(FontTag.class); |
| |
| /** the current font instance */ |
| private Font font; |
| |
| public FontTag() { |
| } |
| |
| // Tag interface |
| //------------------------------------------------------------------------- |
| /* |
| * maybe do some type conversions or name mapping code... |
| * |
| public void setAttribute(String name, Object value) { |
| if (name.equals("size")) { |
| super.setAttribute(name, ConvertUtils.convert(Integer.class, value)); |
| } |
| else { |
| super.setAttribute(name, value); |
| } |
| } |
| */ |
| |
| public void doTag(final XMLOutput output) throws JellyTagException { |
| Map attributes = getAttributes(); |
| String var = (String) attributes.remove("var"); |
| |
| font = createFont(attributes); |
| |
| if (var != null) { |
| context.setVariable(var, font); |
| } |
| else { |
| // now lets add this font to its parent if we have one |
| ComponentTag tag = (ComponentTag) findAncestorWithClass( ComponentTag.class ); |
| if ( tag != null ) { |
| tag.setFont(font); |
| } |
| else { |
| throw new JellyTagException( "this tag must be nested within a JellySwing widget tag or the 'var' attribute must be specified" ); |
| } |
| } |
| } |
| |
| // Properties |
| //------------------------------------------------------------------------- |
| |
| /** |
| * @return the Font object for this tag |
| */ |
| public Font getFont() { |
| return font; |
| } |
| |
| |
| // Implementation methods |
| //------------------------------------------------------------------------- |
| |
| /** |
| * Factory method to create a new Font based on the given properties |
| */ |
| protected Font createFont(Map map) { |
| log.info( "Creating font from properties: " + map ); |
| Font font = new Font(map); |
| //Font font = Font.getFont(map); |
| log.info( "Created font: " + font ); |
| return font; |
| } |
| } |