int mergeMode = Activator.getDefault().getPreferenceStore().getInt(
UIPreferences.MERGE_MODE);
IPath[] locations = getSelectedLocations(event);
CompareEditorInput input;
if (mergeMode == 0) {
MergeModeDialog dlg = new MergeModeDialog(getShell(event));
if (dlg.open() != Window.OK)
return null;
input = new GitMergeEditorInput(dlg.useWorkspace(), locations);
} else {
boolean useWorkspace = mergeMode == 1;
input = new GitMergeEditorInput(useWorkspace, locations);
}
CompareUI.openCompareEditor(input);