| // Copyright 2007 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry5.util; |
| |
| import org.apache.tapestry5.OptionGroupModel; |
| import org.apache.tapestry5.OptionModel; |
| import org.apache.tapestry5.SelectModel; |
| import org.apache.tapestry5.SelectModelVisitor; |
| |
| import java.util.List; |
| |
| /** |
| * Base class for {@link SelectModel} implementations, whose primary job is to provide the {@link |
| * #visit(SelectModelVisitor)} method. |
| */ |
| public abstract class AbstractSelectModel implements SelectModel |
| { |
| public final void visit(SelectModelVisitor visitor) |
| { |
| List<OptionGroupModel> groups = getOptionGroups(); |
| |
| if (groups != null) |
| { |
| for (OptionGroupModel groupModel : groups) |
| { |
| visitor.beginOptionGroup(groupModel); |
| |
| visitOptions(groupModel.getOptions(), visitor); |
| |
| visitor.endOptionGroup(groupModel); |
| } |
| } |
| |
| visitOptions(getOptions(), visitor); |
| } |
| |
| private void visitOptions(List<OptionModel> options, SelectModelVisitor vistor) |
| { |
| if (options != null) |
| { |
| for (OptionModel optionModel : options) |
| vistor.option(optionModel); |
| } |
| } |
| |
| } |