| /* |
| * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package javax.swing.plaf.synth; |
| |
| import javax.swing.*; |
| import javax.swing.plaf.FontUIResource; |
| import java.awt.Font; |
| import java.util.*; |
| import java.util.regex.*; |
| import sun.swing.plaf.synth.*; |
| import sun.swing.BakedArrayList; |
| |
| /** |
| * Factory used for obtaining styles. Supports associating a style based on |
| * the name of the component as returned by <code>Component.getName()</code>, |
| * and the <code>Region</code> associated with the <code>JComponent</code>. |
| * Lookup is done using regular expressions. |
| * |
| * @author Scott Violet |
| */ |
| class DefaultSynthStyleFactory extends SynthStyleFactory { |
| /** |
| * Used to indicate the lookup should be done based on Component name. |
| */ |
| public static final int NAME = 0; |
| /** |
| * Used to indicate the lookup should be done based on region. |
| */ |
| public static final int REGION = 1; |
| |
| /** |
| * List containing set of StyleAssociations used in determining matching |
| * styles. |
| */ |
| private List<StyleAssociation> _styles; |
| /** |
| * Used during lookup. |
| */ |
| private BakedArrayList _tmpList; |
| |
| /** |
| * Maps from a List (BakedArrayList to be precise) to the merged style. |
| */ |
| private Map<BakedArrayList, SynthStyle> _resolvedStyles; |
| |
| /** |
| * Used if there are no styles matching a widget. |
| */ |
| private SynthStyle _defaultStyle; |
| |
| |
| DefaultSynthStyleFactory() { |
| _tmpList = new BakedArrayList(5); |
| _styles = new ArrayList<StyleAssociation>(); |
| _resolvedStyles = new HashMap<BakedArrayList, SynthStyle>(); |
| } |
| |
| public synchronized void addStyle(DefaultSynthStyle style, |
| String path, int type) throws PatternSyntaxException { |
| if (path == null) { |
| // Make an empty path match all. |
| path = ".*"; |
| } |
| if (type == NAME) { |
| _styles.add(StyleAssociation.createStyleAssociation( |
| path, style, type)); |
| } |
| else if (type == REGION) { |
| _styles.add(StyleAssociation.createStyleAssociation( |
| path.toLowerCase(), style, type)); |
| } |
| } |
| |
| /** |
| * Returns the style for the specified Component. |
| * |
| * @param c Component asking for |
| * @param id ID of the Component |
| */ |
| public synchronized SynthStyle getStyle(JComponent c, Region id) { |
| BakedArrayList matches = _tmpList; |
| |
| matches.clear(); |
| getMatchingStyles(matches, c, id); |
| |
| if (matches.size() == 0) { |
| return getDefaultStyle(); |
| } |
| // Use a cached Style if possible, otherwise create a new one. |
| matches.cacheHashCode(); |
| SynthStyle style = getCachedStyle(matches); |
| |
| if (style == null) { |
| style = mergeStyles(matches); |
| |
| if (style != null) { |
| cacheStyle(matches, style); |
| } |
| } |
| return style; |
| } |
| |
| /** |
| * Returns the style to use if there are no matching styles. |
| */ |
| private SynthStyle getDefaultStyle() { |
| if (_defaultStyle == null) { |
| _defaultStyle = new DefaultSynthStyle(); |
| ((DefaultSynthStyle)_defaultStyle).setFont( |
| new FontUIResource(Font.DIALOG, Font.PLAIN,12)); |
| } |
| return _defaultStyle; |
| } |
| |
| /** |
| * Fetches any styles that match the passed into arguments into |
| * <code>matches</code>. |
| */ |
| private void getMatchingStyles(List matches, JComponent c, |
| Region id) { |
| String idName = id.getLowerCaseName(); |
| String cName = c.getName(); |
| |
| if (cName == null) { |
| cName = ""; |
| } |
| for (int counter = _styles.size() - 1; counter >= 0; counter--){ |
| StyleAssociation sa = _styles.get(counter); |
| String path; |
| |
| if (sa.getID() == NAME) { |
| path = cName; |
| } |
| else { |
| path = idName; |
| } |
| |
| if (sa.matches(path) && matches.indexOf(sa.getStyle()) == -1) { |
| matches.add(sa.getStyle()); |
| } |
| } |
| } |
| |
| /** |
| * Caches the specified style. |
| */ |
| private void cacheStyle(List styles, SynthStyle style) { |
| BakedArrayList cachedStyles = new BakedArrayList(styles); |
| |
| _resolvedStyles.put(cachedStyles, style); |
| } |
| |
| /** |
| * Returns the cached style from the passed in arguments. |
| */ |
| private SynthStyle getCachedStyle(List styles) { |
| if (styles.size() == 0) { |
| return null; |
| } |
| return _resolvedStyles.get(styles); |
| } |
| |
| /** |
| * Creates a single Style from the passed in styles. The passed in List |
| * is reverse sorted, that is the most recently added style found to |
| * match will be first. |
| */ |
| private SynthStyle mergeStyles(List styles) { |
| int size = styles.size(); |
| |
| if (size == 0) { |
| return null; |
| } |
| else if (size == 1) { |
| return (SynthStyle)((DefaultSynthStyle)styles.get(0)).clone(); |
| } |
| // NOTE: merging is done backwards as DefaultSynthStyleFactory reverses |
| // order, that is, the most specific style is first. |
| DefaultSynthStyle style = (DefaultSynthStyle)styles.get(size - 1); |
| |
| style = (DefaultSynthStyle)style.clone(); |
| for (int counter = size - 2; counter >= 0; counter--) { |
| style = ((DefaultSynthStyle)styles.get(counter)).addTo(style); |
| } |
| return style; |
| } |
| } |