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1
7 package javax.swing.text.rtf;
8
9 import javax.swing.text.StyleConstants  ;
10 import javax.swing.text.AttributeSet ;
11 import javax.swing.text.MutableAttributeSet ;
12 import javax.swing.text.TabStop ;
13 import java.util.*;
14 import java.io.IOException ;
15
16 class RTFAttributes
17 {
18 static RTFAttribute attributes[];
19
20 static {
21 Vector a = new Vector();
22 int CHR = RTFAttribute.D_CHARACTER;
23 int PGF = RTFAttribute.D_PARAGRAPH;
24 int SEC = RTFAttribute.D_SECTION;
25 int DOC = RTFAttribute.D_DOCUMENT;
26 int PST = RTFAttribute.D_META;
27 Boolean True = Boolean.valueOf(true);
28 Boolean False = Boolean.valueOf(false);
29
30 a.addElement(new BooleanAttribute(CHR, StyleConstants.Italic, "i"));
31 a.addElement(new BooleanAttribute(CHR, StyleConstants.Bold, "b"));
32 a.addElement(new BooleanAttribute(CHR, StyleConstants.Underline, "ul"));
33 a.addElement(NumericAttribute.NewTwips(PGF, StyleConstants.LeftIndent, "li",
34 0f, 0));
35 a.addElement(NumericAttribute.NewTwips(PGF, StyleConstants.RightIndent, "ri",
36 0f, 0));
37 a.addElement(NumericAttribute.NewTwips(PGF, StyleConstants.FirstLineIndent, "fi",
38 0f, 0));
39
40 a.addElement(new AssertiveAttribute(PGF, StyleConstants.Alignment,
41 "ql", StyleConstants.ALIGN_LEFT));
42 a.addElement(new AssertiveAttribute(PGF, StyleConstants.Alignment,
43 "qr", StyleConstants.ALIGN_RIGHT));
44 a.addElement(new AssertiveAttribute(PGF, StyleConstants.Alignment,
45 "qc", StyleConstants.ALIGN_CENTER));
46 a.addElement(new AssertiveAttribute(PGF, StyleConstants.Alignment,
47 "qj", StyleConstants.ALIGN_JUSTIFIED));
48 a.addElement(NumericAttribute.NewTwips(PGF, StyleConstants.SpaceAbove,
49 "sa", 0));
50 a.addElement(NumericAttribute.NewTwips(PGF, StyleConstants.SpaceBelow,
51 "sb", 0));
52
53 a.addElement(new AssertiveAttribute(PST, RTFReader.TabAlignmentKey,
54 "tqr", TabStop.ALIGN_RIGHT));
55 a.addElement(new AssertiveAttribute(PST, RTFReader.TabAlignmentKey,
56 "tqc", TabStop.ALIGN_CENTER));
57 a.addElement(new AssertiveAttribute(PST, RTFReader.TabAlignmentKey,
58 "tqdec", TabStop.ALIGN_DECIMAL));
59
60
61 a.addElement(new AssertiveAttribute(PST, RTFReader.TabLeaderKey,
62 "tldot", TabStop.LEAD_DOTS));
63 a.addElement(new AssertiveAttribute(PST, RTFReader.TabLeaderKey,
64 "tlhyph", TabStop.LEAD_HYPHENS));
65 a.addElement(new AssertiveAttribute(PST, RTFReader.TabLeaderKey,
66 "tlul", TabStop.LEAD_UNDERLINE));
67 a.addElement(new AssertiveAttribute(PST, RTFReader.TabLeaderKey,
68 "tlth", TabStop.LEAD_THICKLINE));
69 a.addElement(new AssertiveAttribute(PST, RTFReader.TabLeaderKey,
70 "tleq", TabStop.LEAD_EQUALS));
71
72
73 a.addElement(new BooleanAttribute(CHR, Constants.Caps, "caps"));
74 a.addElement(new BooleanAttribute(CHR, Constants.Outline, "outl"));
75 a.addElement(new BooleanAttribute(CHR, Constants.SmallCaps, "scaps"));
76 a.addElement(new BooleanAttribute(CHR, Constants.Shadow, "shad"));
77 a.addElement(new BooleanAttribute(CHR, Constants.Hidden, "v"));
78 a.addElement(new BooleanAttribute(CHR, Constants.Strikethrough,
79 "strike"));
80 a.addElement(new BooleanAttribute(CHR, Constants.Deleted,
81 "deleted"));
82
83
84
85 a.addElement(new AssertiveAttribute(DOC, "saveformat", "defformat", "RTF"));
86 a.addElement(new AssertiveAttribute(DOC, "landscape", "landscape"));
87
88 a.addElement(NumericAttribute.NewTwips(DOC, Constants.PaperWidth,
89 "paperw", 12240));
90 a.addElement(NumericAttribute.NewTwips(DOC, Constants.PaperHeight,
91 "paperh", 15840));
92 a.addElement(NumericAttribute.NewTwips(DOC, Constants.MarginLeft,
93 "margl", 1800));
94 a.addElement(NumericAttribute.NewTwips(DOC, Constants.MarginRight,
95 "margr", 1800));
96 a.addElement(NumericAttribute.NewTwips(DOC, Constants.MarginTop,
97 "margt", 1440));
98 a.addElement(NumericAttribute.NewTwips(DOC, Constants.MarginBottom,
99 "margb", 1440));
100 a.addElement(NumericAttribute.NewTwips(DOC, Constants.GutterWidth,
101 "gutter", 0));
102
103 a.addElement(new AssertiveAttribute(PGF, Constants.WidowControl,
104 "nowidctlpar", False));
105 a.addElement(new AssertiveAttribute(PGF, Constants.WidowControl,
106 "widctlpar", True));
107 a.addElement(new AssertiveAttribute(DOC, Constants.WidowControl,
108 "widowctrl", True));
109
110
111 RTFAttribute [] attrs = new RTFAttribute [a.size()];
112 a.copyInto(attrs);
113 attributes = attrs;
114 }
115
116 static Dictionary attributesByKeyword()
117 {
118 Dictionary d = new Hashtable(attributes.length);
119 int i, m;
120
121 m = attributes.length;
122 for(i = 0; i < m; i++)
123 d.put(attributes[i].rtfName(), attributes[i]);
124
125 return d;
126 }
127
128
129
130
131 static abstract class GenericAttribute
132 {
133 int domain;
134 Object swingName;
135 String rtfName;
136
137 protected GenericAttribute(int d,Object s, String r)
138 {
139 domain = d;
140 swingName = s;
141 rtfName = r;
142 }
143
144 public int domain() { return domain; }
145 public Object swingName() { return swingName; }
146 public String rtfName() { return rtfName; }
147
148 abstract boolean set(MutableAttributeSet target);
149 abstract boolean set(MutableAttributeSet target, int parameter);
150 abstract boolean setDefault(MutableAttributeSet target);
151
152 public boolean write(AttributeSet source,
153 RTFGenerator target,
154 boolean force)
155 throws IOException
156 {
157 return writeValue(source.getAttribute(swingName), target, force);
158 }
159
160 public boolean writeValue(Object value, RTFGenerator target,
161 boolean force)
162 throws IOException
163 {
164 return false;
165 }
166 }
167
168 static class BooleanAttribute
169 extends GenericAttribute
170 implements RTFAttribute
171 {
172 boolean rtfDefault;
173 boolean swingDefault;
174
175 protected static final Boolean True = Boolean.valueOf(true);
176 protected static final Boolean False = Boolean.valueOf(false);
177
178 public BooleanAttribute(int d, Object s,
179 String r, boolean ds, boolean dr)
180 {
181 super(d, s, r);
182 swingDefault = ds;
183 rtfDefault = dr;
184 }
185
186 public BooleanAttribute(int d, Object s, String r)
187 {
188 super(d, s, r);
189
190 swingDefault = false;
191 rtfDefault = false;
192 }
193
194 public boolean set(MutableAttributeSet target)
195 {
196
198 target.addAttribute(swingName, True);
199
200 return true;
201 }
202
203 public boolean set(MutableAttributeSet target, int parameter)
204 {
205
206 Boolean value = ( parameter != 0 ? True : False );
207
208 target.addAttribute(swingName, value);
209
210 return true;
211 }
212
213 public boolean setDefault(MutableAttributeSet target)
214 {
215 if (swingDefault != rtfDefault ||
216 ( target.getAttribute(swingName) != null ) )
217 target.addAttribute(swingName, Boolean.valueOf(rtfDefault));
218 return true;
219 }
220
221 public boolean writeValue(Object o_value,
222 RTFGenerator target,
223 boolean force)
224 throws IOException
225 {
226 Boolean val;
227
228 if (o_value == null)
229 val = Boolean.valueOf(swingDefault);
230 else
231 val = (Boolean )o_value;
232
233 if (force || (val.booleanValue() != rtfDefault)) {
234 if (val.booleanValue()) {
235 target.writeControlWord(rtfName);
236 } else {
237 target.writeControlWord(rtfName, 0);
238 }
239 }
240 return true;
241 }
242 }
243
244
245 static class AssertiveAttribute
246 extends GenericAttribute
247 implements RTFAttribute
248 {
249 Object swingValue;
250
251 public AssertiveAttribute(int d, Object s, String r)
252 {
253 super(d, s, r);
254 swingValue = Boolean.valueOf(true);
255 }
256
257 public AssertiveAttribute(int d, Object s, String r, Object v)
258 {
259 super(d, s, r);
260 swingValue = v;
261 }
262
263 public AssertiveAttribute(int d, Object s, String r, int v)
264 {
265 super(d, s, r);
266 swingValue = new Integer (v);
267 }
268
269 public boolean set(MutableAttributeSet target)
270 {
271 if (swingValue == null)
272 target.removeAttribute(swingName);
273 else
274 target.addAttribute(swingName, swingValue);
275
276 return true;
277 }
278
279 public boolean set(MutableAttributeSet target, int parameter)
280 {
281 return false;
282 }
283
284 public boolean setDefault(MutableAttributeSet target)
285 {
286 target.removeAttribute(swingName);
287 return true;
288 }
289
290 public boolean writeValue(Object value,
291 RTFGenerator target,
292 boolean force)
293 throws IOException
294 {
295 if (value == null) {
296 return ! force;
297 }
298
299 if (value.equals(swingValue)) {
300 target.writeControlWord(rtfName);
301 return true;
302 }
303
304 return ! force;
305 }
306 }
307
308
309 static class NumericAttribute
310 extends GenericAttribute
311 implements RTFAttribute
312 {
313 int rtfDefault;
314 Number swingDefault;
315 float scale;
316
317 protected NumericAttribute(int d, Object s, String r)
318 {
319 super(d, s, r);
320 rtfDefault = 0;
321 swingDefault = null;
322 scale = 1f;
323 }
324
325 public NumericAttribute(int d, Object s,
326 String r, int ds, int dr)
327 {
328 this(d, s, r, new Integer (ds), dr, 1f);
329 }
330
331 public NumericAttribute(int d, Object s,
332 String r, Number ds, int dr, float sc)
333 {
334 super(d, s, r);
335 swingDefault = ds;
336 rtfDefault = dr;
337 scale = sc;
338 }
339
340 public static NumericAttribute NewTwips(int d, Object s, String r,
341 float ds, int dr)
342 {
343 return new NumericAttribute(d, s, r, new Float (ds), dr, 20f);
344 }
345
346 public static NumericAttribute NewTwips(int d, Object s, String r,
347 int dr)
348 {
349 return new NumericAttribute(d, s, r, null, dr, 20f);
350 }
351
352 public boolean set(MutableAttributeSet target)
353 {
354 return false;
355 }
356
357 public boolean set(MutableAttributeSet target, int parameter)
358 {
359 Number swingValue;
360
361 if (scale == 1f)
362 swingValue = new Integer (parameter);
363 else
364 swingValue = new Float (parameter / scale);
365 target.addAttribute(swingName, swingValue);
366 return true;
367 }
368
369 public boolean setDefault(MutableAttributeSet target)
370 {
371 Number old = (Number )target.getAttribute(swingName);
372 if (old == null)
373 old = swingDefault;
374 if (old != null && (
375 (scale == 1f && old.intValue() == rtfDefault) ||
376 (Math.round(old.floatValue() * scale) == rtfDefault)
377 ))
378 return true;
379 set(target, rtfDefault);
380 return true;
381 }
382
383 public boolean writeValue(Object o_value,
384 RTFGenerator target,
385 boolean force)
386 throws IOException
387 {
388 Number value = (Number )o_value;
389 if (value == null)
390 value = swingDefault;
391 if (value == null) {
392
396 return true;
397 }
398 int int_value = Math.round(value.floatValue() * scale);
399 if (force || (int_value != rtfDefault))
400 target.writeControlWord(rtfName, int_value);
401 return true;
402 }
403 }
404 }
405 |
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