private void initGuardedBlocks(Place shreds) {
int origOffset = -1;
int curOffset = 0;
for (PsiLanguageInjectionHost.Shred shred : shreds) {
Segment hostRangeMarker = shred.getHostRangeMarker();
int start = shred.getRange().getStartOffset() + shred.getPrefix().length();
int end = shred.getRange().getEndOffset() - shred.getSuffix().length();
if (curOffset < start) {
RangeMarker guard = myNewDocument.createGuardedBlock(curOffset, start);
if (curOffset == 0 && shred == shreds.get(0)) guard.setGreedyToLeft(true);
String padding =
origOffset < 0
? ""
: myOrigDocument.getText().substring(origOffset, hostRangeMarker.getStartOffset());
guard.putUserData(REPLACEMENT_KEY, fixQuotes(padding));
}
curOffset = end;
origOffset = hostRangeMarker.getEndOffset();
}
if (curOffset < myNewDocument.getTextLength()) {
RangeMarker guard =
myNewDocument.createGuardedBlock(curOffset, myNewDocument.getTextLength());
guard.setGreedyToRight(true);
guard.putUserData(REPLACEMENT_KEY, "");
}
}
/**
* Copies the specified substring of the document into a segment. If the offsets are invalid, the
* segment will contain a null string.
*
* @param start The start offset
* @param len The length of the substring
* @param segment The segment
*/
public final void getText(int start, int len, Segment segment) {
try {
document.getText(start, len, segment);
} catch (BadLocationException bl) {
bl.printStackTrace();
segment.offset = segment.count = 0;
}
}
@Override
@SuppressWarnings("SleepWhileHoldingLock")
public void run() {
try {
// initialize the statusbar
status.removeAll();
JProgressBar progress = new JProgressBar();
progress.setMinimum(0);
progress.setMaximum(doc.getLength());
status.add(progress);
status.revalidate();
// start writing
Writer out = new FileWriter(f);
Segment text = new Segment();
text.setPartialReturn(true);
int charsLeft = doc.getLength();
int offset = 0;
while (charsLeft > 0) {
doc.getText(offset, Math.min(4096, charsLeft), text);
out.write(text.array, text.offset, text.count);
charsLeft -= text.count;
offset += text.count;
progress.setValue(offset);
try {
Thread.sleep(10);
} catch (InterruptedException e) {
Logger.getLogger(FileSaver.class.getName()).log(Level.SEVERE, null, e);
}
}
out.flush();
out.close();
} catch (IOException e) {
final String msg = e.getMessage();
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
JOptionPane.showMessageDialog(
getFrame(),
"Could not save file: " + msg,
"Error saving file",
JOptionPane.ERROR_MESSAGE);
}
});
} catch (BadLocationException e) {
System.err.println(e.getMessage());
}
// we are done... get rid of progressbar
status.removeAll();
status.revalidate();
}