/**
* Finds the next instance of the search string in the specified buffer.
*
* @param view The view
* @param buffer The buffer
* @param start Location where to start the search
* @param firstTime See {@link
* SearchMatcher#nextMatch(CharSequence,boolean,boolean,boolean,boolean)}.
* @since jEdit 4.1pre7
*/
public static boolean find(
View view, Buffer buffer, int start, boolean firstTime, boolean reverse) throws Exception {
EditBus.send(new PositionChanging(view.getEditPane()));
SearchMatcher matcher = getSearchMatcher();
if (matcher == null) {
view.getToolkit().beep();
return false;
}
CharSequence text;
boolean startOfLine;
boolean endOfLine;
if (reverse) {
text = new ReverseCharSequence(buffer.getSegment(0, start));
startOfLine = true;
endOfLine = (buffer.getLineEndOffset(buffer.getLineOfOffset(start)) - 1 == start);
} else {
text = buffer.getSegment(start, buffer.getLength() - start);
startOfLine = (buffer.getLineStartOffset(buffer.getLineOfOffset(start)) == start);
endOfLine = true;
}
String noWordSep = buffer.getStringProperty("noWordSep");
matcher.setNoWordSep(noWordSep);
SearchMatcher.Match match = matcher.nextMatch(text, startOfLine, endOfLine, firstTime, reverse);
if (match != null) {
jEdit.commitTemporary(buffer);
view.setBuffer(buffer, true);
JEditTextArea textArea = view.getTextArea();
if (reverse) {
textArea.setSelection(new Selection.Range(start - match.end, start - match.start));
// make sure end of match is visible
textArea.scrollTo(start - match.start, false);
textArea.moveCaretPosition(start - match.end);
} else {
textArea.setSelection(new Selection.Range(start + match.start, start + match.end));
textArea.moveCaretPosition(start + match.end);
// make sure start of match is visible
textArea.scrollTo(start + match.start, false);
}
return true;
} else return false;
} // }}}
/**
* Replaces the current selection with the replacement string.
*
* @param view The view
* @return True if the operation was successful, false otherwise
*/
public static boolean replace(View view) {
// component that will parent any dialog boxes
Component comp = SearchDialog.getSearchDialog(view);
if (comp == null) comp = view;
JEditTextArea textArea = view.getTextArea();
Buffer buffer = view.getBuffer();
if (!buffer.isEditable()) return false;
boolean smartCaseReplace = getSmartCaseReplace();
Selection[] selection = textArea.getSelection();
if (selection.length == 0) {
view.getToolkit().beep();
return false;
}
record(view, "replace(view)", true, false);
// a little hack for reverse replace and find
int caret = textArea.getCaretPosition();
Selection s = textArea.getSelectionAtOffset(caret);
if (s != null) caret = s.getStart();
try {
buffer.beginCompoundEdit();
SearchMatcher matcher = getSearchMatcher();
if (matcher == null) return false;
initReplace();
int retVal = 0;
for (int i = 0; i < selection.length; i++) {
s = selection[i];
retVal += replaceInSelection(view, textArea, buffer, matcher, smartCaseReplace, s);
}
if (reverse) {
// so that Replace and Find continues from
// the right location
textArea.moveCaretPosition(caret);
} else {
s = textArea.getSelectionAtOffset(textArea.getCaretPosition());
if (s != null) textArea.moveCaretPosition(s.getEnd());
}
if (!BeanShell.isScriptRunning()) {
Object[] args = {Integer.valueOf(retVal), Integer.valueOf(1)};
view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.replace-all", args));
}
if (retVal == 0) {
view.getToolkit().beep();
return false;
}
return true;
} catch (Exception e) {
handleError(comp, e);
} finally {
buffer.endCompoundEdit();
}
return false;
} // }}}
/**
* Finds the next occurrence of the search string.
*
* @param view The view
* @return True if the operation was successful, false otherwise
*/
public static boolean find(View view) {
// component that will parent any dialog boxes
Component comp = SearchDialog.getSearchDialog(view);
if (comp == null || !comp.isShowing()) comp = view;
String path = fileset.getNextFile(view, null);
if (path == null) {
GUIUtilities.error(comp, "empty-fileset", null);
return false;
}
try {
view.showWaitCursor();
SearchMatcher matcher = getSearchMatcher();
if (matcher == null) {
view.getToolkit().beep();
return false;
}
record(view, "find(view)", false, true);
boolean repeat = false;
loop:
for (; ; ) {
while (path != null) {
Buffer buffer = jEdit.openTemporary(view, null, path, false);
/* this is stupid and misleading.
* but 'path' is not used anywhere except
* the above line, and if this is done
* after the 'continue', then we will
* either hang, or be forced to duplicate
* it inside the buffer == null, or add
* a 'finally' clause. you decide which one's
* worse. */
if (reverse) {
path = fileset.getPrevFile(view, path);
} else {
path = fileset.getNextFile(view, path);
}
if (buffer == null) continue loop;
// Wait for the buffer to load
if (!buffer.isLoaded()) VFSManager.waitForRequests();
int start;
if (view.getBuffer() == buffer && !repeat) {
JEditTextArea textArea = view.getTextArea();
Selection s = textArea.getSelectionAtOffset(textArea.getCaretPosition());
if (s == null) start = textArea.getCaretPosition();
else if (reverse) start = s.getStart();
else start = s.getEnd();
} else if (reverse) start = buffer.getLength();
else start = 0;
if (find(view, buffer, start, repeat, reverse)) return true;
}
if (repeat) {
if (!BeanShell.isScriptRunning()) {
view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.search-not-found"));
view.getToolkit().beep();
}
return false;
}
boolean restart;
// if auto wrap is on, always restart search.
// if auto wrap is off, and we're called from
// a macro, stop search. If we're called
// interactively, ask the user what to do.
if (wrap) {
if (!BeanShell.isScriptRunning()) {
view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.auto-wrap"));
// beep if beep property set
if (jEdit.getBooleanProperty("search.beepOnSearchAutoWrap")) {
view.getToolkit().beep();
}
}
restart = true;
} else if (BeanShell.isScriptRunning()) {
restart = false;
} else {
Integer[] args = {Integer.valueOf(reverse ? 1 : 0)};
int result =
GUIUtilities.confirm(
comp,
"keepsearching",
args,
JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE);
restart = (result == JOptionPane.YES_OPTION);
}
if (restart) {
// start search from beginning
path = fileset.getFirstFile(view);
repeat = true;
} else break loop;
}
} catch (Exception e) {
handleError(comp, e);
} finally {
view.hideWaitCursor();
}
return false;
} // }}}
