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12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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15  * accompanied this code).
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25 
26 package build.tools.generatenimbus;
27 
28 import javax.xml.stream.XMLStreamException;
29 import javax.xml.stream.XMLStreamReader;
30 import java.util.Arrays;
31 import java.util.Collections;
32 import java.util.Iterator;
33 import java.util.List;
34 
35 class UIState {
36     private String stateKeys;
37 
getStateKeys()38     public String getStateKeys() { return stateKeys; }
39 
40     /** Indicates whether to invert the meaning of the 9-square stretching insets */
41     private boolean inverted;
42 
43     /** A cached string representing the list of stateKeys deliminated with "+" */
44     private String cachedName = null;
45 
46     private Canvas canvas;
getCanvas()47     public Canvas getCanvas() { return canvas; }
48 
49     private UIStyle style;
getStyle()50     public UIStyle getStyle() { return style; }
51 
UIState(XMLStreamReader reader)52     UIState(XMLStreamReader reader) throws XMLStreamException {
53         stateKeys = reader.getAttributeValue(null, "stateKeys");
54         inverted = Boolean.parseBoolean(reader.getAttributeValue(null, "inverted"));
55         while (reader.hasNext()) {
56             int eventType = reader.next();
57             switch (eventType) {
58                 case XMLStreamReader.START_ELEMENT:
59                     switch (reader.getLocalName()) {
60                         case "canvas":
61                             canvas = new Canvas(reader);
62                             break;
63                         case "style":
64                             style = new UIStyle(reader);
65                             break;
66                     }
67                     break;
68                 case XMLStreamReader.END_ELEMENT:
69                     switch (reader.getLocalName()) {
70                         case "state":
71                             return;
72                     }
73                     break;
74             }
75         }
76     }
77 
hasCanvas()78     public boolean hasCanvas() {
79         return ! canvas.isBlank();
80     }
81 
stringToKeys(String keysString)82     public static List<String> stringToKeys(String keysString) {
83         return Arrays.asList(keysString.split("\\+"));
84     }
85 
getName()86     public String getName() {
87         if (cachedName == null) {
88             StringBuilder buf = new StringBuilder();
89             List<String> keys = stringToKeys(stateKeys);
90             Collections.sort(keys);
91             for (Iterator<String> iter = keys.iterator(); iter.hasNext();) {
92                 buf.append(iter.next());
93                 if (iter.hasNext()) {
94                     buf.append('+');
95                 }
96             }
97             cachedName = buf.toString();
98         }
99         return cachedName;
100     }
101 
write(StringBuilder sb, String prefix, String pkg, String fileNamePrefix, String painterPrefix)102     public void write(StringBuilder sb, String prefix, String pkg, String fileNamePrefix, String painterPrefix) {
103         String statePrefix = prefix + "[" + getName() + "]";
104         // write state style
105         sb.append(style.write(statePrefix + '.'));
106         // write painter
107         if (hasCanvas()) {
108             writeLazyPainter(sb, statePrefix, pkg, fileNamePrefix, painterPrefix);
109         }
110     }
111 
writeLazyPainter(StringBuilder sb, String statePrefix, String packageNamePrefix, String fileNamePrefix, String painterPrefix)112     private void writeLazyPainter(StringBuilder sb, String statePrefix, String packageNamePrefix, String fileNamePrefix, String painterPrefix) {
113         String cacheModeString = "AbstractRegionPainter.PaintContext.CacheMode." + style.getCacheMode();
114         String stateConstant = Utils.statesToConstantName(painterPrefix + "_" + stateKeys);
115         sb.append(String.format(
116                 "        d.put(\"%s.%sPainter\", new LazyPainter(\"%s.%s\", %s.%s, %s, %s, %b, %s, %s, %s));\n",
117                 statePrefix, painterPrefix, packageNamePrefix, fileNamePrefix,
118                 fileNamePrefix, stateConstant, canvas.getStretchingInsets().write(false),
119                 canvas.getSize().write(false), inverted, cacheModeString,
120                 Utils.formatDouble(style.getMaxHozCachedImgScaling()),
121                 Utils.formatDouble(style.getMaxVertCachedImgScaling())));
122     }
123 }
124