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1
14 package org.wings.plaf.css;
15
16 import org.wings.*;
17 import org.wings.io.Device;
18 import org.wings.io.NullDevice;
19 import org.wings.plaf.CGManager;
20 import org.wings.script.ScriptListener;
21
22 import java.awt.*;
23 import java.io.BufferedReader  ;
24 import java.io.IOException ;
25 import java.io.InputStream ;
26 import java.io.InputStreamReader ;
27 import java.util.HashMap ;
28 import java.util.Iterator ;
29 import java.util.Map ;
30
31
37 public final class Utils {
38
41 public static boolean PRINT_DEBUG = true;
42
43 protected final static char[] hexDigits = {
44 '0', '1', '2', '3', '4', '5',
45 '6', '7', '8', '9', 'a', 'b',
46 'c', 'd', 'e', 'f'};
47
48 protected Utils() {
49 }
50
51
54 public static void renderContainer(Device d, SContainer c)
55 throws IOException {
56 SLayoutManager layout = c.getLayout();
57
58 if (layout == null) {
59 final CGManager manager = c.getSession().getCGManager();
61 Object value;
62 value = manager.getObject("SContainer.defaultLayoutBehaviour", String .class);
63 if (value != null && value instanceof String ) {
64 if ("classic".equals(((String ) value).toLowerCase())) {
65 layout = new SBoxLayout(SBoxLayout.VERTICAL);
66 } else if ("standard".equals(((String ) value).toLowerCase())) {
67 layout = new SFlowLayout(SFlowLayout.LEFT);
68 } else if ("none".equals(((String ) value).toLowerCase())) {
69 for (int i = 0; i < c.getComponentCount(); i++) {
71 c.getComponent(i).write(d);
72 }
73 return;
74 } else { layout = new SFlowLayout(SFlowLayout.LEFT);
76 }
77 } else {
78 layout = new SFlowLayout(SFlowLayout.LEFT);
80 }
81 c.setLayout(layout);
82 }
83 layout.write(d);
84 }
85
86 public static void writeEvents(Device d, SComponent c)
87 throws IOException {
88 ScriptListener[] listeners = c.getScriptListeners();
89 if (listeners.length > 0) {
90 Map eventScripts = new HashMap ();
91 for (int i = 0; i < listeners.length; i++) {
92 final ScriptListener script = listeners[i];
93 final String event = script.getEvent();
94 String eventScriptCode = script.getCode();
95
96 if (event == null
97 || event.length() == 0
98 || eventScriptCode == null
99 || eventScriptCode.length() == 0) {
100 continue;
101 }
102
103 if (eventScripts.containsKey(event)) {
104 String savedEventScriptCode = (String ) eventScripts.get(event);
105 eventScriptCode = savedEventScriptCode
106 + (savedEventScriptCode.trim().endsWith(";") ? "" : ";")
107 + eventScriptCode;
108 }
109 eventScripts.put(event, eventScriptCode);
110 }
111
112 Iterator it = eventScripts.keySet().iterator();
113 while (it.hasNext()) {
114 String event = (String ) it.next();
115 String code = (String ) eventScripts.get(event);
116 d.print(" ");
117 d.print(event);
118 d.print("=\"");
119 d.print(code);
120 d.print("\"");
121 }
122 }
123 }
124
125
136
137
143 public static String event(SComponent component) {
144 return component.getEncodedLowLevelEventId();
145 }
147
148
155 public static void printDivHorizontalAlignment(Device d, int align) throws IOException {
156 printTableHorizontalAlignment(d, align);
157 }
158
159
162 private static void printTableHorizontalAlignment(Device d, int align)
163 throws IOException {
164 if (align == SConstants.NO_ALIGN || align == SConstants.LEFT) {
165 d.print(" align=\"left\"");
166 } else if (align == SConstants.CENTER) {
167 d.print(" align=\"center\"");
168 } else if (align == SConstants.RIGHT) {
169 d.print(" align=\"right\"");
170 } else if (align == SConstants.JUSTIFY) {
171 d.print(" align=\"justify\"");
172 }
173 }
174
175
178 private static void printTableVerticalAlignment(Device d, int align)
179 throws IOException {
180 if (align == SConstants.NO_ALIGN || align == SConstants.CENTER) {
181 } else if (align == SConstants.TOP) {
182 d.print(" valign=\"top\"");
183 } else if (align == SConstants.BOTTOM) {
184 d.print(" valign=\"bottom\"");
185 } else if (align == SConstants.BASELINE) {
186 d.print(" valign=\"baseline\"");
187 }
188 }
189
190 public static void printTableCellAlignment(Device d, SComponent c)
191 throws IOException {
192 if (c != null) {
193 printTableHorizontalAlignment(d, c.getHorizontalAlignment());
194 printTableVerticalAlignment(d, c.getVerticalAlignment());
195 }
196 }
197
198 public static String toColorString(int rgb) {
199 char[] buf = new char[6];
200 int digits = 6;
201 do {
202 buf[--digits] = hexDigits[rgb & 15];
203 rgb >>>= 4;
204 } while (digits != 0);
205
206 return new String (buf);
207 }
208
209 public static String toColorString(java.awt.Color c) {
210 return toColorString(c.getRGB());
211 }
212
213
226 public static void printCSSInlineStyleAttributes(Device d, SComponent component) throws IOException {
227 if (component == null)
228 return;
229 StringBuffer styleString = generateCSSComponentInlineStyle(component);
230
231 Utils.optAttribute(d, "style", styleString.toString());
232 }
233
234 public static StringBuffer generateCSSComponentInlineStyle(SComponent component) {
235 StringBuffer styleString = new StringBuffer ();
236 if (component != null) {
237 final Color fgColor = component.getForeground();
238 final Color bgcolor = component.getBackground();
239 final SFont font = component.getFont();
240 final SDimension dim = component.getPreferredSize();
241
242 if (bgcolor != null)
243 styleString.append("background-color:#").append(toColorString(bgcolor)).append(";");
244
245 if (fgColor != null) {
246 styleString.append("color:#").append(toColorString(fgColor)).append(";");
247 }
248
249 if (font != null) {
250 int style = font.getStyle();
251 styleString.append("font-size:").append(font.getSize()).append("pt;");
252 styleString.append("font-style:").append((style & Font.ITALIC) > 0 ? "italic;" : "normal;");
253 styleString.append("font-weight:").append((style & Font.BOLD) > 0 ? "bold;" : "normal;");
254 styleString.append("font-family:").append(font.getFace()).append(";");
255 }
256
257 if (dim != null) {
258 if (dim.isWidthDefined()) styleString.append("width:").append(dim.getWidth()).append(";");
259 if (dim.isHeightDefined()) styleString.append("height:").append(dim.getHeight()).append(";");
260 }
261 }
262 return styleString;
263 }
264
265
273 public static void printCSSInlinePreferredSize(Device device, SDimension preferredSize) throws IOException {
274 if (preferredSize != null && (preferredSize.isWidthDefined() || preferredSize.isHeightDefined())) {
275 device.print(" style=\"");
276 device.print(generateCSSInlinePreferredSize(preferredSize));
277 device.print("\"");
278 }
279 }
280
281
288 public static StringBuffer generateCSSInlinePreferredSize(SDimension preferredSize) {
289 StringBuffer styleString = new StringBuffer ();
290 if (preferredSize != null && (preferredSize.isWidthDefined() || preferredSize.isHeightDefined())) {
291 if (preferredSize.isWidthDefined())
292 styleString.append("width:").append(preferredSize.getWidth()).append(";");
293 if (preferredSize.isHeightDefined())
294 styleString.append("height:").append(preferredSize.getHeight()).append(";");
295 }
296 return styleString;
297 }
298
299 public static StringBuffer generateCSSInlineBorder(int borderSize) {
300 StringBuffer styleString = new StringBuffer ();
301 if (borderSize > 0)
302 styleString.append("border:").append(borderSize).append("px solid black;");
303 else
304 ; return styleString;
306 }
307
308
314 public static void printCSSInlineFullSize(Device device, SDimension preferredSize) throws IOException {
315 if (preferredSize != null && (preferredSize.isWidthDefined() || preferredSize.isHeightDefined())) {
316 device.print(" style=\"width:100%;height:100%\"");
317 }
318 }
319
320
324 private static void quote(Device d, String s, boolean quoteNewline) throws IOException {
326 if (s == null) return;
327 char[] chars = s.toCharArray();
328 char c;
329 int last = 0;
330 for (int pos = 0; pos < chars.length; ++pos) {
331 c = chars[pos];
332 if (c < 32 || c > 127) {
334 d.print(chars, last, (pos - last));
335 if (c == '\n' && quoteNewline) {
336 d.print("<br>");
337 } else {
338 d.print("&#");
339 d.print((int) c);
340 d.print(";");
341 } last = pos + 1;
343 } else
344 switch (c) {
345 case '&':
346 d.print(chars, last, (pos - last));
347 d.print("&");
348 last = pos + 1;
349 break;
350 case '"':
351 d.print(chars, last, (pos - last));
352 d.print(""");
353 last = pos + 1;
354 break;
355 case '<':
356 d.print(chars, last, (pos - last));
357 d.print("<");
358 last = pos + 1;
359 break;
360 case '>':
361 d.print(chars, last, (pos - last));
362 d.print(">");
363 last = pos + 1;
364 break;
365
378 }
379 }
380 d.print(chars, last, chars.length - last);
381 }
382
383 public static void writeRaw(Device d, String s) throws IOException {
384 if (s == null) return;
385 d.print(s);
386 }
387
388
395 public static void write(Device d, String s) throws IOException {
396 if (s == null) return;
397 if ((s.length() > 5) && (s.startsWith("<html>"))) {
398 writeRaw(d, s.substring(6));
399 } else {
400 quote(d, s, false);
401 }
402 }
403
404
409 public static void optAttribute(Device d, String attr, String value)
410 throws IOException {
411 if (value != null && value.trim().length() > 0) {
412 d.print(" ").print(attr).print("=\"");
413 quote(d, value, true);
414 d.print("\"");
415 }
416 }
417
418
423 public static void optAttribute(Device d, String attr, Color value)
424 throws IOException {
425 if (value != null) {
426 d.print(" ");
427 d.print(attr);
428 d.print("=\"");
429 write(d, value);
430 d.print("\"");
431 }
432 }
433
434
437 public static void optAttribute(Device d, String attr, Renderable r)
438 throws IOException {
439 if (r != null) {
440 d.print(" ");
441 d.print(attr);
442 d.print("=\"");
443 r.write(d);
444 d.print("\"");
445 }
446 }
447
448
452 public static void optAttribute(Device d, String attr, int value)
453 throws IOException {
454 if (value > 0) {
455 d.print(" ");
456 d.print(attr);
457 d.print("=\"");
458 d.print(String.valueOf(value));
459 d.print("\"");
460 }
461 }
462
463
467 public static void optAttribute(Device d, String attr, SDimension value)
468 throws IOException {
469 if (value != null) {
470 d.print(" ");
471 d.print(attr);
472 d.print("=\"");
473 write(d, value.toString());
474 d.print("\"");
475 }
476 }
477
478
482 public static void write(Device d, Color c) throws IOException {
483 d.print("#");
484 int rgb = (c == null) ? 0 : c.getRGB();
485 int mask = 0xf00000;
486 for (int bitPos = 20; bitPos >= 0; bitPos -= 4) {
487 d.print(hexDigits[(rgb & mask) >>> bitPos]);
488 mask >>>= 4;
489 }
490 }
491
492
495 public static void write(Device d, Renderable r) throws IOException {
496 if (r == null) return;
497 r.write(d);
498 }
499
500
503 public static void main(String argv[]) throws Exception {
504 Color c = new Color(255, 254, 7);
505 Device d = new org.wings.io.StringBufferDevice();
506 write(d, c);
507 quote(d, "\nThis is a <abc> string \"; foo & sons\nmoin", true);
508 d.print(String.valueOf(-42));
509 d.print(String.valueOf(Integer.MIN_VALUE));
510
511 write(d, "hello test \n");
512 write(d, "<html>hallo test \n");
513
514 d = new org.wings.io.NullDevice();
515 long start = System.currentTimeMillis();
516 for (int i = 0; i < 1000000; ++i) {
517 quote(d, "this is a little & foo", true);
518 }
519 System.err.println("took: " + (System.currentTimeMillis() - start)
520 + "ms");
521 }
522
523
531 public static Device printDebug(Device d, String s) throws IOException {
532 if (PRINT_DEBUG)
533 return d.print(s);
534 else
535 return NullDevice.DEFAULT;
536 }
537
538
542 public static Device printDebugNewline(Device d, SComponent currentComponent) throws IOException {
543 if (PRINT_DEBUG)
544 return printNewline(d, currentComponent);
545 else
546 return d;
547 }
548
549
552 public static Device printNewline(Device d, SComponent currentComponent) throws IOException {
553 if (currentComponent == null || PRINT_DEBUG == false) return d;
555 d.print("\n");
556 while (currentComponent.getParent() != null && currentComponent.getParent().getParent() != null) {
557 d.print("\t");
558 currentComponent = currentComponent.getParent();
559 }
560 return d;
561 }
562
563
569 public static String loadScript(String path) {
570 InputStream in = null;
571 BufferedReader reader = null;
572
573 try {
574 in = Utils.class.getClassLoader().getResourceAsStream(path);
575 reader = new BufferedReader (new InputStreamReader (in));
576 StringBuffer buffer = new StringBuffer ();
577 String line;
578 while ((line = reader.readLine()) != null) {
579 buffer.append(line).append("\n");
580 }
581 buffer.append("\n");
582
583 return buffer.toString();
584 } catch (Exception e) {
585 e.printStackTrace();
586 return "";
587 } finally {
588 try {
589 in.close();
590 } catch (Exception ign) {
591 }
592 try {
593 reader.close();
594 } catch (Exception ign1) {
595 }
596 }
597 }
598
599
604 public static String nonBreakingSpaces(String text) {
605 return text.replace(' ', '\u00A0');
606 }
607
608 }
609 |
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