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comparison app/src/main/java/org/tn5250j/framework/tn5250/ScreenField.java @ 438:d29cce60f393

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migrate from Eclipse to Android Studio
author Carl Byington <carl@five-ten-sg.com>
date Thu, 03 Dec 2015 11:23:55 -0800
parents src/org/tn5250j/framework/tn5250/ScreenField.java@29076621bab0
children 8fa8e73e2f5c
comparison
equal deleted inserted replaced
437:208b31032318 438:d29cce60f393
1 /**
2 * Title: tn5250J
3 * Copyright: Copyright (c) 2001
4 * Company:
5 * @author Kenneth J. Pouncey
6 * @version 0.4
7 *
8 * Description:
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
13 * any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this software; see the file COPYING. If not, write to
22 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
23 * Boston, MA 02111-1307 USA
24 *
25 */
26 package org.tn5250j.framework.tn5250;
27
28 public class ScreenField {
29
30 protected ScreenField(Screen5250 s) {
31 this.s = s;
32 }
33
34 protected ScreenField setField(int attr, int len, int ffw1, int ffw2,
35 int fcw1, int fcw2) {
36 return setField(attr,
37 s.getCurrentRow() - 1,
38 s.getCurrentCol() - 1,
39 len,
40 ffw1,
41 ffw2,
42 fcw1,
43 fcw2);
44 }
45
46 protected ScreenField setField(int attr, int row, int col, int len, int ffw1, int ffw2,
47 int fcw1, int fcw2) {
48 // startRow = row;
49 // startCol = col;
50 cursorProg = 0;
51 fieldId = 0;
52 length = len;
53 startPos = (row * s.getColumns()) + col;
54 endPos = startPos + length - 1;
55 this.attr = attr;
56 setFFWs(ffw1, ffw2);
57 setFCWs(fcw1, fcw2);
58 next = null;
59 prev = null;
60 return this;
61 }
62
63 public int getAttr() {
64 return attr;
65 }
66
67 public int getHighlightedAttr() {
68 return (fcw2 & 0x0f) | 0x20;
69 }
70
71 public int getLength() {
72 return length;
73 }
74
75 protected boolean setFFWs(int ffw1, int ffw2) {
76 this.ffw1 = ffw1;
77 this.ffw2 = ffw2;
78 int adj = getAdjustment();
79
80 if (adj > 0) {
81 checkCanSend = true;
82
83 switch (adj) {
84 case 5:
85 case 6:
86 rightAdjd = false;
87 break;
88
89 case 7:
90 mandatory = false;
91 break;
92 }
93 }
94
95 mdt = (ffw1 & 0x8) == 0x8;
96 // if (mdt)
97 // s.masterMDT = true;
98 return mdt;
99 }
100
101
102 public int getFFW1() {
103 return ffw1;
104 }
105 public int getFFW2() {
106 return ffw2;
107 }
108
109 protected void setFCWs(int fcw1, int fcw2) {
110 this.fcw1 = fcw1;
111 this.fcw2 = fcw2;
112
113 // if ((fcw1 & 0x88) == 0x88) {
114 if (fcw1 == 0x88) {
115 cursorProg = fcw2;
116 }
117 }
118
119 public int getFCW1() {
120 return fcw1;
121 }
122
123 public int getFCW2() {
124 return fcw2;
125 }
126
127 public int getFieldLength() {
128 return length;
129 }
130
131 public int getCursorProgression() {
132 return cursorProg;
133 }
134
135 public int getFieldId() {
136 return fieldId;
137 }
138
139 protected void setFieldId(int fi) {
140 fieldId = fi;
141 }
142
143 public int getCursorRow() {
144 return cursorPos / s.getColumns();
145 }
146
147 public int getCursorCol() {
148 return cursorPos % s.getColumns();
149 }
150
151 protected void changePos(int i) {
152 cursorPos += i;
153 }
154
155 protected String getText() {
156 StringBuffer text = new StringBuffer();
157 getKeyPos(endPos);
158 int x = length;
159 text.setLength(x);
160
161 while (x-- > 0) {
162 // here we manipulate the unicode characters a little for attributes
163 // that are imbedded in input fields. We will offset them by unicode
164 // \uff00. All routines that process these fields will have to
165 // return them to their proper offsets.
166 // example:
167 // if we read an attribute byte of 32 for normal display the unicode
168 // character for this is \u0020 and the unicode character for
169 // a space is also \u0020 thus the offset.
170 if (s.planes.isAttributePlace(cursorPos)) {
171 text.setCharAt(x, (char)('\uff00' + s.planes.getCharAttr(cursorPos)));
172 }
173 else {
174 text.setCharAt(x, s.planes.getChar(cursorPos));
175 }
176
177 changePos(-1);
178 }
179
180 // Since only the mdt of the first continued field is set we will get
181 // the text of the next continued field if we are dealing with continued
182 // fields. See routine setMDT for the whys of this. This is only
183 // executed if this is the first field of a continued field.
184 if (isContinued() && isContinuedFirst()) {
185 ScreenField sf = this;
186
187 do {
188 sf = sf.next;
189 text.append(sf.getText());
190 }
191 while (!sf.isContinuedLast());
192
193 sf = null;
194 }
195
196 return text.toString();
197 }
198
199 public String getString() {
200 StringBuffer text = new StringBuffer();
201 getKeyPos(endPos);
202 int x = length;
203 text.setLength(x);
204
205 while (x-- > 0) {
206 // here we manipulate the unicode characters a little for attributes
207 // that are imbedded in input fields. We will offset them by unicode
208 // \uff00. All routines that process these fields will have to
209 // return them to their proper offsets.
210 // example:
211 // if we read an attribute byte of 32 for normal display the unicode
212 // character for this is \u0020 and the unicode character for
213 // a space is also \u0020 thus the offset.
214 if (s.planes.isAttributePlace(cursorPos)) {
215 text.setCharAt(x, (char)('\uff00' + s.planes.getCharAttr(cursorPos)));
216 }
217 else {
218 if (s.planes.getChar(cursorPos) < ' ')
219 text.setCharAt(x, ' ');
220 else
221 text.setCharAt(x, s.planes.getChar(cursorPos));
222 }
223
224 changePos(-1);
225 }
226
227 // Since only the mdt of the first continued field is set we will get
228 // the text of the next continued field if we are dealing with continued
229 // fields. See routine setMDT for the whys of this. This is only
230 // executed if this is the first field of a continued field.
231 if (isContinued() && isContinuedFirst()) {
232 ScreenField sf = this;
233
234 do {
235 sf = sf.next;
236 text.append(sf.getString());
237 }
238 while (!sf.isContinuedLast());
239
240 sf = null;
241 }
242
243 return text.toString();
244 }
245
246 public void setFieldChar(char c) {
247 int x = length;
248 cursorPos = startPos;
249
250 while (x-- > 0) {
251 s.planes.setChar(cursorPos, c);
252 changePos(1);
253 }
254 }
255
256 public void setFieldChar(int lastPos, char c) {
257 int x = endPos - lastPos + 1;
258 cursorPos = lastPos;
259
260 while (x-- > 0) {
261 s.planes.setChar(cursorPos, c);
262 s.setDirty(cursorPos);
263 changePos(1);
264 }
265 }
266
267 protected void setRightAdjusted() {
268 rightAdjd = true;
269 }
270
271 protected void setMandatoryEntered() {
272 mandatory = true;
273 }
274
275 protected void resetMDT() {
276 mdt = false;
277 }
278
279 protected void setMDT() {
280 // get the first field of a continued edit field if it is continued
281 if (isContinued() && !isContinuedFirst()) {
282 ScreenField sf = prev;
283
284 while (sf.isContinued() && !sf.isContinuedFirst()) {
285 sf = sf.prev;
286 }
287
288 sf.setMDT();
289 sf = null;
290 }
291 else {
292 mdt = true;
293 }
294 }
295
296 public boolean isBypassField() {
297 return (ffw1 & 0x20) == 0x20;
298 }
299
300 public int getAdjustment() {
301 return (ffw2 & 0x7);
302 }
303
304 // is field exit required
305 public boolean isFER() {
306 return (ffw2 & 0x40) == 0x40;
307 }
308
309 // is field mandatory enter
310 public boolean isMandatoryEnter() {
311 return (ffw2 & 0x8) == 0x8;
312 }
313
314 public boolean isToUpper() {
315 return (ffw2 & 0x20) == 0x20;
316 }
317
318 // bits 5 - 7
319 public int getFieldShift() {
320 return (ffw1 & 0x7);
321 }
322
323 public boolean isHiglightedEntry() {
324 return (fcw1 == 0x89);
325 }
326
327 public boolean isAutoEnter() {
328 return (ffw2 & 0x80) == 0x80;
329 }
330
331 public boolean isSignedNumeric() {
332 return (getFieldShift() == 7);
333 }
334
335 public boolean isRightToLeft() {
336 return (getFieldShift() == 0x04);
337 }
338
339 public boolean isNumeric() {
340 return (getFieldShift() == 3);
341 }
342
343 public boolean isDupEnabled() {
344 return (ffw1 & 0x10) == 0x10;
345 }
346
347 public boolean isContinued() {
348 return (fcw1 & 0x86) == 0x86 && (fcw2 >= 1 && fcw2 <= 3) ;
349 }
350
351 public boolean isContinuedFirst() {
352 return (fcw1 & 0x86) == 0x86 && (fcw2 == 1);
353 }
354
355 public boolean isContinuedMiddle() {
356 return (fcw1 & 0x86) == 0x86 && (fcw2 == 3);
357 }
358
359 public boolean isContinuedLast() {
360 return (fcw1 & 0x86) == 0x86 && (fcw2 == 2);
361 }
362
363 protected boolean isCanSend() {
364 int adj = getAdjustment();
365
366 // here we need to check the Field Exit Required value first before checking
367 // the adjustments. If the last character has been entered and we are
368 // now setting past the last position then we are allowed to process the
369 // the field without continuing.
370 if (isFER() && cursorPos > endPos) {
371 return true;
372 }
373
374 // signed numeric fields need to be checked as well.
375 if (isSignedNumeric() && cursorPos < endPos - 1) {
376 return false;
377 }
378
379 if (adj > 0) {
380 switch (adj) {
381 case 5:
382 case 6:
383 return rightAdjd;
384
385 case 7:
386 return mandatory;
387
388 default:
389 return true;
390 }
391 }
392
393 return true;
394 }
395
396 public boolean isSelectionField() {
397 return isSelectionField;
398 }
399
400 public void setSelectionFieldInfo(int type, int index, int position) {
401 selectionFieldType = type;
402 selectionIndex = index;
403 selectionPos = position;
404 isSelectionField = true;
405 }
406
407 protected int getKeyPos(int row1, int col1) {
408 int x = ((row1 * s.getColumns()) + col1);
409 int y = x - startPos();
410 cursorPos = x;
411 return y;
412 }
413
414 protected int getKeyPos(int pos) {
415 int y = pos - startPos();
416 cursorPos = pos;
417 return y;
418 }
419
420 public int getCurrentPos() {
421 return cursorPos;
422 }
423
424 public boolean withinField(int pos) {
425 if (pos >= startPos && pos <= endPos)
426 return true;
427
428 return false;
429 }
430
431 public int startPos() {
432 return startPos;
433 }
434
435 /**
436 * Get the starting row of the field. Offset is 0 so row 6 returned
437 * is row 7 mapped to screen
438 * @return int starting row of the field offset 0
439 */
440 public int startRow() {
441 return startPos / s.getColumns();
442 }
443
444 /**
445 * Get the starting column of the field. Offset is 0 so column 6 returned
446 * is column 7 mapped to screen
447 * @return int starting column of the field offset 0
448 */
449 public int startCol() {
450 return startPos % s.getColumns();
451 }
452
453 public int endPos() {
454 return endPos;
455 }
456
457 /**
458 * Sets the field's text plane to the specified string. If the string is
459 * shorter than the length of the field, the rest of the field is cleared.
460 * If the string is longer than the field, the text is truncated. A subsequent
461 * call to getText on this field will not show the changed text. To see the
462 * changed text, do a refresh on the iOhioFields collection and retrieve the
463 * refreshed field object.
464 *
465 * @param text - The text to be placed in the field's text plane.
466 */
467 public void setString(String text) {
468 cursorPos = startPos;
469
470 if (isRightToLeft()) {
471 text = new StringBuilder(text).reverse().toString();
472 }
473
474 final ScreenPlanes planes = s.getPlanes();
475 for (int x = 0,len = text.length(); x < length; x++) {
476 char tc = (x < len) ? text.charAt(x) : ' ';
477 planes.setChar(cursorPos, tc);
478 changePos(1);
479 }
480 setMDT();
481 s.getScreenFields().setMasterMDT();
482 }
483
484 @Override
485 public String toString() {
486 int fcw = (fcw1 & 0xff) << 8 | fcw2 & 0xff;
487 return "startRow = " + startRow() + " startCol = " + startCol() +
488 " length = " + length + " ffw1 = (0x" + Integer.toHexString(ffw1) +
489 ") ffw2 = (0x" + Integer.toHexString(ffw2) +
490 ") fcw1 = (0x" + Integer.toHexString(fcw1) +
491 ") fcw2 = (0x" + Integer.toHexString(fcw2) +
492 ") fcw = (" + Integer.toBinaryString(fcw) +
493 ") fcw hex = (0x" + Integer.toHexString(fcw) +
494 ") is bypass field = " + isBypassField() +
495 ") is autoenter = " + isAutoEnter() +
496 ") is mandatoryenter = " + isMandatoryEnter() +
497 ") is field exit required = " + isFER() +
498 ") is Numeric = " + isNumeric() +
499 ") is Signed Numeric = " + isSignedNumeric() +
500 ") is cursor progression = " + (fcw1 == 0x88) +
501 ") next progression field = " + fcw2 +
502 ") field id " + fieldId +
503 " continued edit field = " + isContinued() +
504 " first continued edit field = " + isContinuedFirst() +
505 " middle continued edit field = " + isContinuedMiddle() +
506 " last continued edit field = " + isContinuedLast() +
507 " mdt = " + mdt;
508 }
509
510 public int getStartPos() {
511 return startPos;
512 }
513
514 int startPos = 0;
515 int endPos = 0;
516 boolean mdt = false;
517 protected boolean checkCanSend;
518 protected boolean rightAdjd;
519 protected boolean mandatory;
520 boolean canSend = true;
521 int attr = 0;
522 int length = 0;
523 int ffw1 = 0;
524 int ffw2 = 0;
525 int fcw1 = 0;
526 int fcw2 = 0;
527 int cursorPos = 0;
528 Screen5250 s;
529 int cursorProg = 0;
530 int fieldId = 0;
531 ScreenField next = null;
532 ScreenField prev = null;
533 boolean isSelectionField;
534 int selectionFieldType;
535 int selectionIndex;
536 int selectionPos;
537 }