author | alexsch |
Wed, 25 Sep 2013 17:08:31 +0400 | |
changeset 20168 | 137788883a22 |
parent 5506 | 202f599c92aa |
child 25565 | ce603b34c98d |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package javax.swing.plaf.synth; |
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import javax.swing.*; |
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import javax.swing.plaf.FontUIResource; |
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import java.awt.Font; |
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import java.util.*; |
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import java.util.regex.*; |
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import sun.swing.plaf.synth.*; |
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import sun.swing.BakedArrayList; |
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/** |
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* Factory used for obtaining styles. Supports associating a style based on |
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* the name of the component as returned by <code>Component.getName()</code>, |
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* and the <code>Region</code> associated with the <code>JComponent</code>. |
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* Lookup is done using regular expressions. |
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* |
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* @author Scott Violet |
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*/ |
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class DefaultSynthStyleFactory extends SynthStyleFactory { |
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/** |
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* Used to indicate the lookup should be done based on Component name. |
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*/ |
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public static final int NAME = 0; |
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/** |
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* Used to indicate the lookup should be done based on region. |
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*/ |
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public static final int REGION = 1; |
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/** |
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* List containing set of StyleAssociations used in determining matching |
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* styles. |
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*/ |
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private List<StyleAssociation> _styles; |
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/** |
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* Used during lookup. |
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*/ |
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private BakedArrayList _tmpList; |
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/** |
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* Maps from a List (BakedArrayList to be precise) to the merged style. |
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*/ |
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da8902cd496c
6727661: Code improvement and warnings removing from the swing/plaf packages
rupashka
parents:
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diff
changeset
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private Map<BakedArrayList, SynthStyle> _resolvedStyles; |
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/** |
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* Used if there are no styles matching a widget. |
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*/ |
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private SynthStyle _defaultStyle; |
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DefaultSynthStyleFactory() { |
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_tmpList = new BakedArrayList(5); |
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_styles = new ArrayList<StyleAssociation>(); |
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_resolvedStyles = new HashMap<BakedArrayList, SynthStyle>(); |
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} |
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public synchronized void addStyle(DefaultSynthStyle style, |
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String path, int type) throws PatternSyntaxException { |
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if (path == null) { |
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// Make an empty path match all. |
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path = ".*"; |
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} |
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if (type == NAME) { |
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_styles.add(StyleAssociation.createStyleAssociation( |
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path, style, type)); |
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} |
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else if (type == REGION) { |
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_styles.add(StyleAssociation.createStyleAssociation( |
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path.toLowerCase(), style, type)); |
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} |
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} |
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/** |
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* Returns the style for the specified Component. |
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* |
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* @param c Component asking for |
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* @param id ID of the Component |
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*/ |
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public synchronized SynthStyle getStyle(JComponent c, Region id) { |
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BakedArrayList matches = _tmpList; |
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matches.clear(); |
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getMatchingStyles(matches, c, id); |
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if (matches.size() == 0) { |
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return getDefaultStyle(); |
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} |
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// Use a cached Style if possible, otherwise create a new one. |
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matches.cacheHashCode(); |
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SynthStyle style = getCachedStyle(matches); |
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if (style == null) { |
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style = mergeStyles(matches); |
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if (style != null) { |
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cacheStyle(matches, style); |
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} |
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} |
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return style; |
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} |
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/** |
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* Returns the style to use if there are no matching styles. |
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*/ |
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private SynthStyle getDefaultStyle() { |
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if (_defaultStyle == null) { |
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_defaultStyle = new DefaultSynthStyle(); |
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((DefaultSynthStyle)_defaultStyle).setFont( |
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new FontUIResource(Font.DIALOG, Font.PLAIN,12)); |
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} |
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return _defaultStyle; |
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} |
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/** |
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* Fetches any styles that match the passed into arguments into |
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* <code>matches</code>. |
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*/ |
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1290
da8902cd496c
6727661: Code improvement and warnings removing from the swing/plaf packages
rupashka
parents:
2
diff
changeset
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private void getMatchingStyles(List matches, JComponent c, |
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Region id) { |
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String idName = id.getLowerCaseName(); |
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String cName = c.getName(); |
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if (cName == null) { |
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cName = ""; |
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} |
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for (int counter = _styles.size() - 1; counter >= 0; counter--){ |
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StyleAssociation sa = _styles.get(counter); |
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String path; |
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if (sa.getID() == NAME) { |
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path = cName; |
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} |
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else { |
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path = idName; |
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} |
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if (sa.matches(path) && matches.indexOf(sa.getStyle()) == -1) { |
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matches.add(sa.getStyle()); |
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} |
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} |
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} |
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/** |
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* Caches the specified style. |
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*/ |
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1290
da8902cd496c
6727661: Code improvement and warnings removing from the swing/plaf packages
rupashka
parents:
2
diff
changeset
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private void cacheStyle(List styles, SynthStyle style) { |
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BakedArrayList cachedStyles = new BakedArrayList(styles); |
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_resolvedStyles.put(cachedStyles, style); |
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} |
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/** |
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* Returns the cached style from the passed in arguments. |
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*/ |
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1290
da8902cd496c
6727661: Code improvement and warnings removing from the swing/plaf packages
rupashka
parents:
2
diff
changeset
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private SynthStyle getCachedStyle(List styles) { |
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if (styles.size() == 0) { |
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return null; |
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} |
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da8902cd496c
6727661: Code improvement and warnings removing from the swing/plaf packages
rupashka
parents:
2
diff
changeset
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return _resolvedStyles.get(styles); |
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} |
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/** |
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* Creates a single Style from the passed in styles. The passed in List |
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* is reverse sorted, that is the most recently added style found to |
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* match will be first. |
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*/ |
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1290
da8902cd496c
6727661: Code improvement and warnings removing from the swing/plaf packages
rupashka
parents:
2
diff
changeset
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private SynthStyle mergeStyles(List styles) { |
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int size = styles.size(); |
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if (size == 0) { |
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return null; |
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} |
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else if (size == 1) { |
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return (SynthStyle)((DefaultSynthStyle)styles.get(0)).clone(); |
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} |
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// NOTE: merging is done backwards as DefaultSynthStyleFactory reverses |
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// order, that is, the most specific style is first. |
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DefaultSynthStyle style = (DefaultSynthStyle)styles.get(size - 1); |
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style = (DefaultSynthStyle)style.clone(); |
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for (int counter = size - 2; counter >= 0; counter--) { |
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style = ((DefaultSynthStyle)styles.get(counter)).addTo(style); |
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} |
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return style; |
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} |
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} |