| /* |
| * Copyright 2000-2009 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 org.jetbrains.idea.maven.utils; |
| |
| import com.intellij.openapi.util.Pair; |
| import com.intellij.util.Function; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import java.util.Collection; |
| |
| public class ComboBoxUtil { |
| |
| private static class Item { |
| private final Object value; |
| private final String label; |
| |
| private Item(Object value, String label) { |
| this.value = value; |
| this.label = label; |
| } |
| |
| public Object getValue() { |
| return value; |
| } |
| |
| public String toString() { |
| return label; |
| } |
| } |
| |
| public static void addToModel(DefaultComboBoxModel model, Object value, String label) { |
| model.addElement(new Item(value, label)); |
| } |
| |
| public static <T> void setModel(JComboBox comboBox, DefaultComboBoxModel model, Collection<T> values, Function<T, Pair<String, ?>> func) { |
| model.removeAllElements(); |
| for (T each : values) { |
| Pair<String, ?> pair = func.fun(each); |
| addToModel(model, pair.second, pair.first); |
| } |
| comboBox.setModel(model); |
| } |
| |
| public static void select(DefaultComboBoxModel model, Object value) { |
| for (int i = 0; i < model.getSize(); i++) { |
| Item comboBoxUtil = (Item)model.getElementAt(i); |
| if (comboBoxUtil.getValue().equals(value)) { |
| model.setSelectedItem(comboBoxUtil); |
| return; |
| } |
| } |
| if (model.getSize() != 0) { |
| model.setSelectedItem(model.getElementAt(0)); |
| } |
| } |
| |
| @Nullable |
| public static String getSelectedString(DefaultComboBoxModel model) { |
| return String.valueOf(getSelectedValue(model)); |
| } |
| |
| @Nullable |
| public static Object getSelectedValue(DefaultComboBoxModel model) { |
| final Object item = model.getSelectedItem(); |
| return item != null ? ((Item)item).getValue() : null; |
| } |
| } |