| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * 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 com.intellij.ui; |
| |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import java.util.List; |
| |
| /** |
| * @author traff |
| */ |
| public abstract class AbstractCollectionComboBoxModel<T> extends AbstractListModel implements ComboBoxModel { |
| private T mySelection; |
| |
| public AbstractCollectionComboBoxModel(@Nullable T selection) { |
| mySelection = selection; |
| } |
| |
| @Override |
| public int getSize() { |
| return getItems().size(); |
| } |
| |
| @Override |
| public T getElementAt(final int index) { |
| return getItems().get(index); |
| } |
| |
| @Override |
| public void setSelectedItem(@Nullable Object anItem) { |
| //noinspection unchecked |
| mySelection = (T)anItem; |
| } |
| |
| @Override |
| @Nullable |
| public Object getSelectedItem() { |
| return mySelection; |
| } |
| |
| @Nullable |
| public T getSelected() { |
| return mySelection; |
| } |
| |
| public void update() { |
| super.fireContentsChanged(this, -1, -1); |
| } |
| |
| public boolean contains(T item) { |
| return getItems().contains(item); |
| } |
| |
| @NotNull |
| abstract protected List<T> getItems(); |
| } |