private boolean checkNoDifferenceAndNotify(
DiffPanel diffPanel, DiffRequest data, final Window window, final boolean showMessage) {
if (!diffPanel.hasDifferences() && !data.getHints().contains(HINT_ALLOW_NO_DIFFERENCES)) {
DiffManagerImpl manager = (DiffManagerImpl) DiffManager.getInstance();
if (!Comparing.equal(manager.getComparisonPolicy(), ComparisonPolicy.DEFAULT)) {
ComparisonPolicy oldPolicy = manager.getComparisonPolicy();
manager.setComparisonPolicy(ComparisonPolicy.DEFAULT);
Disposable parentDisposable = Disposer.newDisposable();
DiffPanel maybeDiffPanel =
DiffManagerImpl.createDiffPanel(data, window, parentDisposable, this);
manager.setComparisonPolicy(oldPolicy);
boolean hasDiffs = maybeDiffPanel.hasDifferences();
Disposer.dispose(parentDisposable);
if (hasDiffs) return false;
}
if (!showMessage) {
return true;
}
return !askForceOpenDiff(data);
}
return false;
}
public void showDifferences(DiffView diffView) {
Frame window = WindowManager.getDefault().getMainWindow();
if (dialog == null) {
DialogDescriptor descriptor = dialogDescriptor(diffPanel);
dialog = org.openide.DialogDisplayer.getDefault().createDialog(descriptor);
dialog.setSize(640, 480);
}
diffPanel.setDiffView(diffView);
dialog.setLocationRelativeTo(window);
dialog.setVisible(true);
}