private void gridChange(Object itemId) {
Collection<Object> ids = (Collection<Object>) gridFilter.getGrid().getValue();
Button btnCheck = (Button) commandbar.getButton(COMMAND.CHECK.getValue());
Button btnFavorite = (Button) commandbar.getButton(COMMAND.POP_MY_FAVORITE.getValue());
Button btnCompare = (Button) commandbar.getButton(COMMAND.COMPARE.getValue());
if (ids.size() != 0) {
btnCompare.setEnabled(true);
List<Item> selection = gridFilter.getGrid().getSelection();
// 選擇多筆時, 只有btnCompare有可能Enabeld
if (selection.size() > 1) {
menu.setMenuBarEnabled(false);
btnCheck.setEnabled(false);
btnFavorite.setEnabled(false);
} else {
menu.setMenuBarEnabled(true);
btnCheck.setEnabled(true);
btnFavorite.setEnabled(true);
}
// 沒選到任何資料時
} else {
menu.setMenuBarEnabled(false);
btnCheck.setEnabled(false);
btnFavorite.setEnabled(false);
btnCompare.setEnabled(false);
}
}
private void perform(String instruction) {
if (instruction.equals(COMMAND.CHECK.getValue())) {
check(instruction);
} else if (instruction.equals(COMMAND.POP_MY_FAVORITE.getValue())) {
popMyFavorite(instruction);
} else if (instruction.equals(COMMAND.SAVE_MY_FAVORITE.getValue())) {
saveMyFavorite();
} else if (instruction.equals(COMMAND.CLOSE_MY_FAVORITE.getValue())) {
closeMyFavorite();
} else if (instruction.equals(COMMAND.COMPARE.getValue())) {
compare();
} else if (instruction.equals(COMMAND.RESET.getValue())) {
refresh();
}
}