|
Lines 1-5
Link Here
|
| 1 |
/******************************************************************************* |
1 |
/******************************************************************************* |
| 2 |
* Copyright (c) 2009, 2010 Avaloq Evolution AG and others. |
2 |
* Copyright (c) 2009, 2012 Avaloq Evolution AG and others. |
| 3 |
* All rights reserved. This program and the accompanying materials |
3 |
* All rights reserved. This program and the accompanying materials |
| 4 |
* are made available under the terms of the Eclipse Public License v1.0 |
4 |
* are made available under the terms of the Eclipse Public License v1.0 |
| 5 |
* which accompanies this distribution, and is available at |
5 |
* which accompanies this distribution, and is available at |
|
Lines 11-16
Link Here
|
| 11 |
package org.eclipse.jface.internal.text; |
11 |
package org.eclipse.jface.internal.text; |
| 12 |
|
12 |
|
| 13 |
import java.util.Arrays; |
13 |
import java.util.Arrays; |
|
|
14 |
|
| 15 |
import org.eclipse.swt.graphics.GC; |
| 14 |
|
16 |
|
| 15 |
import org.eclipse.core.runtime.Assert; |
17 |
import org.eclipse.core.runtime.Assert; |
| 16 |
|
18 |
|
|
Lines 216-222
Link Here
|
| 216 |
}; |
218 |
}; |
| 217 |
|
219 |
|
| 218 |
private final Implementation COLUMN_IMPLEMENTATION= new Implementation() { |
220 |
private final Implementation COLUMN_IMPLEMENTATION= new Implementation() { |
| 219 |
TextEdit replace(ISelection selection, String replacement) throws BadLocationException { |
221 |
private TextEdit replace(ISelection selection, String replacement, boolean delete) throws BadLocationException { |
| 220 |
try { |
222 |
try { |
| 221 |
MultiTextEdit root; |
223 |
MultiTextEdit root; |
| 222 |
IBlockTextSelection cts= (IBlockTextSelection)selection; |
224 |
IBlockTextSelection cts= (IBlockTextSelection)selection; |
|
Lines 244-250
Link Here
|
| 244 |
lastDelim= index[0] + delimiters[index[1]].length(); |
246 |
lastDelim= index[0] + delimiters[index[1]].length(); |
| 245 |
} |
247 |
} |
| 246 |
} |
248 |
} |
| 247 |
TextEdit replace= createReplaceEdit(line, visualStartColumn, visualEndColumn, string); |
249 |
TextEdit replace= createReplaceEdit(line, visualStartColumn, visualEndColumn, string, delete); |
| 248 |
root.addChild(replace); |
250 |
root.addChild(replace); |
| 249 |
} |
251 |
} |
| 250 |
while (lastDelim != -1) { |
252 |
while (lastDelim != -1) { |
|
Lines 261-267
Link Here
|
| 261 |
endLine++; |
263 |
endLine++; |
| 262 |
TextEdit edit; |
264 |
TextEdit edit; |
| 263 |
if (endLine < fDocument.getNumberOfLines()) { |
265 |
if (endLine < fDocument.getNumberOfLines()) { |
| 264 |
edit= createReplaceEdit(endLine, visualStartColumn, visualEndColumn, string); |
266 |
edit= createReplaceEdit(endLine, visualStartColumn, visualEndColumn, string, delete); |
| 265 |
} else { |
267 |
} else { |
| 266 |
// insertion reaches beyond the last line |
268 |
// insertion reaches beyond the last line |
| 267 |
int insertLocation= root.getExclusiveEnd(); |
269 |
int insertLocation= root.getExclusiveEnd(); |
|
Lines 279-284
Link Here
|
| 279 |
Assert.isTrue(false); |
281 |
Assert.isTrue(false); |
| 280 |
return null; |
282 |
return null; |
| 281 |
} |
283 |
} |
|
|
284 |
} |
| 285 |
|
| 286 |
TextEdit replace(ISelection selection, String replacement) throws BadLocationException { |
| 287 |
return replace(selection, replacement, false); |
| 282 |
} |
288 |
} |
| 283 |
|
289 |
|
| 284 |
String getText(ISelection selection) throws BadLocationException { |
290 |
String getText(ISelection selection) throws BadLocationException { |
|
Lines 321-327
Link Here
|
| 321 |
IBlockTextSelection cts= (IBlockTextSelection)selection; |
327 |
IBlockTextSelection cts= (IBlockTextSelection)selection; |
| 322 |
selection= new BlockTextSelection(fDocument, cts.getStartLine(), cts.getStartColumn(), cts.getEndLine(), cts.getEndColumn() + 1, fTabWidth); |
328 |
selection= new BlockTextSelection(fDocument, cts.getStartLine(), cts.getStartColumn(), cts.getEndLine(), cts.getEndColumn() + 1, fTabWidth); |
| 323 |
} |
329 |
} |
| 324 |
return replace(selection, ""); //$NON-NLS-1$ |
330 |
return replace(selection, "", true); //$NON-NLS-1$ |
| 325 |
} |
331 |
} |
| 326 |
|
332 |
|
| 327 |
TextEdit backspace(ISelection selection) throws BadLocationException { |
333 |
TextEdit backspace(ISelection selection) throws BadLocationException { |
|
Lines 392-398
Link Here
|
| 392 |
return ts.getEndLine() - ts.getStartLine() + 1; |
398 |
return ts.getEndLine() - ts.getStartLine() + 1; |
| 393 |
} |
399 |
} |
| 394 |
|
400 |
|
| 395 |
private TextEdit createReplaceEdit(int line, int visualStartColumn, int visualEndColumn, String replacement) throws BadLocationException { |
401 |
private TextEdit createReplaceEdit(int line, int visualStartColumn, int visualEndColumn, String replacement, boolean delete) throws BadLocationException { |
| 396 |
IRegion info= fDocument.getLineInformation(line); |
402 |
IRegion info= fDocument.getLineInformation(line); |
| 397 |
int lineLength= info.getLength(); |
403 |
int lineLength= info.getLength(); |
| 398 |
String content= fDocument.get(info.getOffset(), lineLength); |
404 |
String content= fDocument.get(info.getOffset(), lineLength); |
|
Lines 400-410
Link Here
|
| 400 |
int endColumn= -1; |
406 |
int endColumn= -1; |
| 401 |
int visual= 0; |
407 |
int visual= 0; |
| 402 |
for (int offset= 0; offset < lineLength; offset++) { |
408 |
for (int offset= 0; offset < lineLength; offset++) { |
| 403 |
if (startColumn == -1 && visual >= visualStartColumn) |
409 |
if (startColumn == -1) { |
| 404 |
startColumn= offset; |
410 |
if (visual == visualStartColumn) |
| 405 |
if (visual >= visualEndColumn) { |
411 |
if (!delete && isWider(content.charAt(offset), visual) && replacement.length() == 0) |
| 406 |
endColumn= offset; |
412 |
startColumn= offset - 1; |
| 407 |
break; |
413 |
else |
|
|
414 |
startColumn= offset; |
| 415 |
else if (visual > visualStartColumn) { |
| 416 |
if (isWider(content.charAt(offset - 1), visual)) |
| 417 |
startColumn= offset - 1; |
| 418 |
else |
| 419 |
startColumn= offset; |
| 420 |
} |
| 421 |
} |
| 422 |
if (startColumn != -1) { |
| 423 |
if (visual == visualEndColumn) { |
| 424 |
endColumn= offset; |
| 425 |
break; |
| 426 |
} else if (visual > visualEndColumn) { |
| 427 |
if (!delete && isWider(content.charAt(offset - 1), visual)) |
| 428 |
endColumn= offset - 1; |
| 429 |
else |
| 430 |
endColumn= offset; |
| 431 |
break; |
| 432 |
} |
| 408 |
} |
433 |
} |
| 409 |
visual+= visualSizeIncrement(content.charAt(offset), visual); |
434 |
visual+= visualSizeIncrement(content.charAt(offset), visual); |
| 410 |
} |
435 |
} |
|
Lines 476-481
Link Here
|
| 476 |
return lineLength + Math.max(0, visualColumn - visual); |
501 |
return lineLength + Math.max(0, visualColumn - visual); |
| 477 |
} |
502 |
} |
| 478 |
|
503 |
|
|
|
504 |
private boolean isWider(char character, int visual) { |
| 505 |
return visualSizeIncrement(character, visual) > 1; |
| 506 |
} |
| 507 |
|
| 479 |
/** |
508 |
/** |
| 480 |
* Returns the increment in visual length represented by <code>character</code> given the |
509 |
* Returns the increment in visual length represented by <code>character</code> given the |
| 481 |
* current visual length. The visual length is <code>1</code> unless <code>character</code> |
510 |
* current visual length. The visual length is <code>1</code> unless <code>character</code> |
|
Lines 487-492
Link Here
|
| 487 |
* <code>[0,fTabWidth]</code> |
516 |
* <code>[0,fTabWidth]</code> |
| 488 |
*/ |
517 |
*/ |
| 489 |
private int visualSizeIncrement(char character, int visual) { |
518 |
private int visualSizeIncrement(char character, int visual) { |
|
|
519 |
if (fGC != null && character > 255) |
| 520 |
return (int)Math.ceil(fGC.stringExtent(new String(Character.toString(character))).x / fSingleCharWidth); |
| 490 |
if (character != '\t') |
521 |
if (character != '\t') |
| 491 |
return 1; |
522 |
return 1; |
| 492 |
if (fTabWidth <= 0) |
523 |
if (fTabWidth <= 0) |
|
Lines 503-508
Link Here
|
| 503 |
|
534 |
|
| 504 |
private ISelectionProvider fSelectionProvider; |
535 |
private ISelectionProvider fSelectionProvider; |
| 505 |
|
536 |
|
|
|
537 |
private GC fGC; |
| 538 |
|
| 539 |
float fSingleCharWidth; |
| 540 |
|
| 541 |
|
| 506 |
/** |
542 |
/** |
| 507 |
* Creates a new processor on the given viewer. |
543 |
* Creates a new processor on the given viewer. |
| 508 |
* |
544 |
* |
|
Lines 510-515
Link Here
|
| 510 |
*/ |
546 |
*/ |
| 511 |
public SelectionProcessor(ITextViewer viewer) { |
547 |
public SelectionProcessor(ITextViewer viewer) { |
| 512 |
this(viewer.getDocument(), viewer.getTextWidget().getTabs()); |
548 |
this(viewer.getDocument(), viewer.getTextWidget().getTabs()); |
|
|
549 |
fGC= new GC(viewer.getTextWidget()); |
| 550 |
fSingleCharWidth= fGC.stringExtent(" ").x; //$NON-NLS-1$ |
| 551 |
|
| 513 |
if (viewer instanceof ITextViewerExtension) { |
552 |
if (viewer instanceof ITextViewerExtension) { |
| 514 |
ITextViewerExtension ext= (ITextViewerExtension)viewer; |
553 |
ITextViewerExtension ext= (ITextViewerExtension)viewer; |
| 515 |
fRewriteTarget= ext.getRewriteTarget(); |
554 |
fRewriteTarget= ext.getRewriteTarget(); |
