/**
* Replaces text in the specified range with the replacement string.
*
* @param view The view
* @param buffer The buffer
* @param start The start offset
* @param end The end offset
* @return True if the operation was successful, false otherwise
*/
public static boolean replace(View view, Buffer buffer, int start, int end) {
if (!buffer.isEditable()) return false;
// component that will parent any dialog boxes
Component comp = SearchDialog.getSearchDialog(view);
if (comp == null) comp = view;
boolean smartCaseReplace = getSmartCaseReplace();
try {
buffer.beginCompoundEdit();
SearchMatcher matcher = getSearchMatcher();
if (matcher == null) return false;
initReplace();
int retVal = 0;
retVal += _replace(view, buffer, matcher, start, end, smartCaseReplace);
if (retVal != 0) return true;
} catch (Exception e) {
handleError(comp, e);
} finally {
buffer.endCompoundEdit();
}
return false;
} // }}}
/**
* Replaces all occurrences of the search string with the replacement string.
*
* @param view The view
* @param dontOpenChangedFiles Whether to open changed files or to autosave them quietly
* @return the number of modified files
*/
public static boolean replaceAll(View view, boolean dontOpenChangedFiles) {
// component that will parent any dialog boxes
Component comp = SearchDialog.getSearchDialog(view);
if (comp == null) comp = view;
if (fileset.getFileCount(view) == 0) {
GUIUtilities.error(comp, "empty-fileset", null);
return false;
}
record(view, "replaceAll(view)", true, true);
view.showWaitCursor();
boolean smartCaseReplace = getSmartCaseReplace();
int fileCount = 0;
int occurCount = 0;
try {
SearchMatcher matcher = getSearchMatcher();
if (matcher == null) return false;
initReplace();
String path = fileset.getFirstFile(view);
loop:
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. */
path = fileset.getNextFile(view, path);
if (buffer == null) continue loop;
// Wait for buffer to finish loading
if (buffer.isPerformingIO()) VFSManager.waitForRequests();
if (!buffer.isEditable()) continue loop;
// Leave buffer in a consistent state if
// an error occurs
int retVal = 0;
try {
buffer.beginCompoundEdit();
retVal = _replace(view, buffer, matcher, 0, buffer.getLength(), smartCaseReplace);
} finally {
buffer.endCompoundEdit();
}
if (retVal != 0) {
fileCount++;
occurCount += retVal;
if (dontOpenChangedFiles) {
buffer.save(null, null);
} else {
jEdit.commitTemporary(buffer);
jEdit.getBufferSetManager().addBuffer(view, buffer);
}
}
}
} catch (Exception e) {
handleError(comp, e);
} finally {
view.hideWaitCursor();
}
/* Don't do this when playing a macro, cos it's annoying */
if (!BeanShell.isScriptRunning()) {
Object[] args = {Integer.valueOf(occurCount), Integer.valueOf(fileCount)};
view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.replace-all", args));
if (occurCount == 0) view.getToolkit().beep();
}
return (fileCount != 0);
} // }}}
/**
* 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;
} // }}}