1 /*
2 * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
41 * @author Scott Violet
42 */
43 class DefaultSynthStyleFactory extends SynthStyleFactory {
44 /**
45 * Used to indicate the lookup should be done based on Component name.
46 */
47 public static final int NAME = 0;
48 /**
49 * Used to indicate the lookup should be done based on region.
50 */
51 public static final int REGION = 1;
52
53 /**
54 * List containing set of StyleAssociations used in determining matching
55 * styles.
56 */
57 private List<StyleAssociation> _styles;
58 /**
59 * Used during lookup.
60 */
61 private BakedArrayList _tmpList;
62
63 /**
64 * Maps from a List (BakedArrayList to be precise) to the merged style.
65 */
66 private Map<BakedArrayList, SynthStyle> _resolvedStyles;
67
68 /**
69 * Used if there are no styles matching a widget.
70 */
71 private SynthStyle _defaultStyle;
72
73
74 DefaultSynthStyleFactory() {
75 _tmpList = new BakedArrayList(5);
76 _styles = new ArrayList<StyleAssociation>();
77 _resolvedStyles = new HashMap<BakedArrayList, SynthStyle>();
78 }
79
80 public synchronized void addStyle(DefaultSynthStyle style,
81 String path, int type) throws PatternSyntaxException {
82 if (path == null) {
83 // Make an empty path match all.
84 path = ".*";
85 }
86 if (type == NAME) {
87 _styles.add(StyleAssociation.createStyleAssociation(
88 path, style, type));
89 }
90 else if (type == REGION) {
91 _styles.add(StyleAssociation.createStyleAssociation(
92 path.toLowerCase(), style, type));
93 }
94 }
95
96 /**
97 * Returns the style for the specified Component.
98 *
99 * @param c Component asking for
100 * @param id ID of the Component
101 */
102 public synchronized SynthStyle getStyle(JComponent c, Region id) {
103 BakedArrayList matches = _tmpList;
104
105 matches.clear();
106 getMatchingStyles(matches, c, id);
107
108 if (matches.size() == 0) {
109 return getDefaultStyle();
110 }
111 // Use a cached Style if possible, otherwise create a new one.
112 matches.cacheHashCode();
113 SynthStyle style = getCachedStyle(matches);
114
115 if (style == null) {
116 style = mergeStyles(matches);
117
118 if (style != null) {
119 cacheStyle(matches, style);
120 }
121 }
122 return style;
123 }
124
125 /**
126 * Returns the style to use if there are no matching styles.
127 */
128 private SynthStyle getDefaultStyle() {
129 if (_defaultStyle == null) {
130 _defaultStyle = new DefaultSynthStyle();
131 ((DefaultSynthStyle)_defaultStyle).setFont(
132 new FontUIResource(Font.DIALOG, Font.PLAIN,12));
133 }
134 return _defaultStyle;
135 }
136
137 /**
138 * Fetches any styles that match the passed into arguments into
139 * <code>matches</code>.
140 */
141 private void getMatchingStyles(List matches, JComponent c,
142 Region id) {
143 String idName = id.getLowerCaseName();
144 String cName = c.getName();
145
146 if (cName == null) {
147 cName = "";
148 }
149 for (int counter = _styles.size() - 1; counter >= 0; counter--){
150 StyleAssociation sa = _styles.get(counter);
151 String path;
152
153 if (sa.getID() == NAME) {
154 path = cName;
155 }
156 else {
157 path = idName;
158 }
159
160 if (sa.matches(path) && matches.indexOf(sa.getStyle()) == -1) {
161 matches.add(sa.getStyle());
162 }
163 }
164 }
165
166 /**
167 * Caches the specified style.
168 */
169 private void cacheStyle(List styles, SynthStyle style) {
170 BakedArrayList cachedStyles = new BakedArrayList(styles);
171
172 _resolvedStyles.put(cachedStyles, style);
173 }
174
175 /**
176 * Returns the cached style from the passed in arguments.
177 */
178 private SynthStyle getCachedStyle(List styles) {
179 if (styles.size() == 0) {
180 return null;
181 }
182 return _resolvedStyles.get(styles);
183 }
184
185 /**
186 * Creates a single Style from the passed in styles. The passed in List
187 * is reverse sorted, that is the most recently added style found to
188 * match will be first.
189 */
190 private SynthStyle mergeStyles(List styles) {
191 int size = styles.size();
192
193 if (size == 0) {
194 return null;
195 }
196 else if (size == 1) {
197 return (SynthStyle)((DefaultSynthStyle)styles.get(0)).clone();
198 }
199 // NOTE: merging is done backwards as DefaultSynthStyleFactory reverses
200 // order, that is, the most specific style is first.
201 DefaultSynthStyle style = (DefaultSynthStyle)styles.get(size - 1);
202
203 style = (DefaultSynthStyle)style.clone();
204 for (int counter = size - 2; counter >= 0; counter--) {
205 style = ((DefaultSynthStyle)styles.get(counter)).addTo(style);
206 }
207 return style;
208 }
209 }
|
1 /*
2 * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
41 * @author Scott Violet
42 */
43 class DefaultSynthStyleFactory extends SynthStyleFactory {
44 /**
45 * Used to indicate the lookup should be done based on Component name.
46 */
47 public static final int NAME = 0;
48 /**
49 * Used to indicate the lookup should be done based on region.
50 */
51 public static final int REGION = 1;
52
53 /**
54 * List containing set of StyleAssociations used in determining matching
55 * styles.
56 */
57 private List<StyleAssociation> _styles;
58 /**
59 * Used during lookup.
60 */
61 private BakedArrayList<SynthStyle> _tmpList;
62
63 /**
64 * Maps from a List (BakedArrayList to be precise) to the merged style.
65 */
66 private Map<BakedArrayList<SynthStyle>, SynthStyle> _resolvedStyles;
67
68 /**
69 * Used if there are no styles matching a widget.
70 */
71 private SynthStyle _defaultStyle;
72
73
74 DefaultSynthStyleFactory() {
75 _tmpList = new BakedArrayList<SynthStyle>(5);
76 _styles = new ArrayList<>();
77 _resolvedStyles = new HashMap<>();
78 }
79
80 public synchronized void addStyle(DefaultSynthStyle style,
81 String path, int type) throws PatternSyntaxException {
82 if (path == null) {
83 // Make an empty path match all.
84 path = ".*";
85 }
86 if (type == NAME) {
87 _styles.add(StyleAssociation.createStyleAssociation(
88 path, style, type));
89 }
90 else if (type == REGION) {
91 _styles.add(StyleAssociation.createStyleAssociation(
92 path.toLowerCase(), style, type));
93 }
94 }
95
96 /**
97 * Returns the style for the specified Component.
98 *
99 * @param c Component asking for
100 * @param id ID of the Component
101 */
102 public synchronized SynthStyle getStyle(JComponent c, Region id) {
103 BakedArrayList<SynthStyle> matches = _tmpList;
104
105 matches.clear();
106 getMatchingStyles(matches, c, id);
107
108 if (matches.size() == 0) {
109 return getDefaultStyle();
110 }
111 // Use a cached Style if possible, otherwise create a new one.
112 matches.cacheHashCode();
113 SynthStyle style = getCachedStyle(matches);
114
115 if (style == null) {
116 style = mergeStyles(matches);
117
118 if (style != null) {
119 cacheStyle(matches, style);
120 }
121 }
122 return style;
123 }
124
125 /**
126 * Returns the style to use if there are no matching styles.
127 */
128 private SynthStyle getDefaultStyle() {
129 if (_defaultStyle == null) {
130 _defaultStyle = new DefaultSynthStyle();
131 ((DefaultSynthStyle)_defaultStyle).setFont(
132 new FontUIResource(Font.DIALOG, Font.PLAIN,12));
133 }
134 return _defaultStyle;
135 }
136
137 /**
138 * Fetches any styles that match the passed into arguments into
139 * <code>matches</code>.
140 */
141 private void getMatchingStyles(List<SynthStyle> matches, JComponent c,
142 Region id) {
143 String idName = id.getLowerCaseName();
144 String cName = c.getName();
145
146 if (cName == null) {
147 cName = "";
148 }
149 for (int counter = _styles.size() - 1; counter >= 0; counter--){
150 StyleAssociation sa = _styles.get(counter);
151 String path;
152
153 if (sa.getID() == NAME) {
154 path = cName;
155 }
156 else {
157 path = idName;
158 }
159
160 if (sa.matches(path) && matches.indexOf(sa.getStyle()) == -1) {
161 matches.add(sa.getStyle());
162 }
163 }
164 }
165
166 /**
167 * Caches the specified style.
168 */
169 private void cacheStyle(List<SynthStyle> styles, SynthStyle style) {
170 BakedArrayList<SynthStyle> cachedStyles = new BakedArrayList<>(styles);
171
172 _resolvedStyles.put(cachedStyles, style);
173 }
174
175 /**
176 * Returns the cached style from the passed in arguments.
177 */
178 private SynthStyle getCachedStyle(List<SynthStyle> styles) { // ??
179 if (styles.size() == 0) {
180 return null;
181 }
182 return _resolvedStyles.get(styles);
183 }
184
185 /**
186 * Creates a single Style from the passed in styles. The passed in List
187 * is reverse sorted, that is the most recently added style found to
188 * match will be first.
189 */
190 private SynthStyle mergeStyles(List<SynthStyle> styles) {
191 int size = styles.size();
192
193 if (size == 0) {
194 return null;
195 }
196 else if (size == 1) {
197 return (SynthStyle)((DefaultSynthStyle)styles.get(0)).clone();
198 }
199 // NOTE: merging is done backwards as DefaultSynthStyleFactory reverses
200 // order, that is, the most specific style is first.
201 DefaultSynthStyle style = (DefaultSynthStyle)styles.get(size - 1);
202
203 style = (DefaultSynthStyle)style.clone();
204 for (int counter = size - 2; counter >= 0; counter--) {
205 style = ((DefaultSynthStyle)styles.get(counter)).addTo(style);
206 }
207 return style;
208 }
209 }
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