private void saveOrDiscardIfNeeded(FileEditorInput file) {
TextFileDocumentProvider docProvider = file == null ? null : getTextDocumentProvider(file);
if (docProvider != null && file != null && file.exists() && inputConnected) {
if (docProvider.canSaveDocument(file)
&& ui.confirmOperation(
"Changes Detected",
"Manifest file '"
+ file.getFile().getFullPath().toOSString()
+ "' has been changed. Do you want to save changes or discard them?",
new String[] {"Save", "Discard"},
0)
== 0) {
try {
docProvider.saveDocument(
new NullProgressMonitor(), file, docProvider.getDocument(file), true);
} catch (CoreException e) {
Log.log(e);
ui.errorPopup("Failed Saving File", ExceptionUtil.getMessage(e));
}
} else {
try {
docProvider.resetDocument(file);
} catch (CoreException e) {
Log.log(e);
}
}
disconnect(docProvider, file);
}
}
@Override
protected IDocument compute() {
FileEditorInput input = editorInput.getValue();
if (input != null) {
TextFileDocumentProvider provider = getTextDocumentProvider(input);
if (provider != null) {
return provider.getDocument(input);
}
}
return new Document("");
}