jdk/src/java.desktop/share/classes/javax/swing/plaf/synth/DefaultSynthStyleFactory.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.desktop/share/classes/javax/swing/plaf/synth/DefaultSynthStyleFactory.java Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,209 @@
+/*
+ * Copyright (c) 2003, 2014, 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<SynthStyle> _tmpList;
+
+ /**
+ * Maps from a List (BakedArrayList to be precise) to the merged style.
+ */
+ private Map<BakedArrayList<SynthStyle>, SynthStyle> _resolvedStyles;
+
+ /**
+ * Used if there are no styles matching a widget.
+ */
+ private SynthStyle _defaultStyle;
+
+
+ DefaultSynthStyleFactory() {
+ _tmpList = new BakedArrayList<SynthStyle>(5);
+ _styles = new ArrayList<>();
+ _resolvedStyles = new HashMap<>();
+ }
+
+ 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<SynthStyle> 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<SynthStyle> 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<SynthStyle> styles, SynthStyle style) {
+ BakedArrayList<SynthStyle> cachedStyles = new BakedArrayList<>(styles);
+
+ _resolvedStyles.put(cachedStyles, style);
+ }
+
+ /**
+ * Returns the cached style from the passed in arguments.
+ */
+ private SynthStyle getCachedStyle(List<SynthStyle> 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<SynthStyle> 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;
+ }
+}