| /* |
| * Copyright 2000-2011 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.ide.navigationToolbar; |
| |
| import com.intellij.openapi.actionSystem.DataProvider; |
| import com.intellij.openapi.actionSystem.PlatformDataKeys; |
| import com.intellij.ui.ListScrollingUtil; |
| import com.intellij.ui.components.JBScrollPane; |
| import com.intellij.util.ui.UIUtil; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import javax.swing.border.Border; |
| import java.awt.*; |
| import java.awt.event.MouseEvent; |
| import java.awt.event.MouseListener; |
| import java.awt.event.MouseMotionAdapter; |
| |
| /** |
| * @author Konstantin Bulenkov |
| */ |
| class NavBarListWrapper extends JBScrollPane implements DataProvider { |
| private static final int MAX_SIZE = 20; |
| private final JList myList; |
| |
| public NavBarListWrapper(final JList list) { |
| super(list); |
| list.addMouseMotionListener(new MouseMotionAdapter() { |
| boolean myIsEngaged = false; |
| @Override |
| public void mouseMoved(MouseEvent e) { |
| if (myIsEngaged && !UIUtil.isSelectionButtonDown(e)) { |
| final Point point = e.getPoint(); |
| final int index = list.locationToIndex(point); |
| list.setSelectedIndex(index); |
| } else { |
| myIsEngaged = true; |
| } |
| } |
| }); |
| |
| ListScrollingUtil.installActions(list); |
| |
| final int modelSize = list.getModel().getSize(); |
| setBorder(BorderFactory.createEmptyBorder()); |
| if (modelSize > 0 && modelSize <= MAX_SIZE) { |
| list.setVisibleRowCount(0); |
| getViewport().setPreferredSize(list.getPreferredSize()); |
| } else { |
| list.setVisibleRowCount(MAX_SIZE); |
| } |
| myList = list; |
| } |
| |
| |
| @Override |
| @Nullable |
| public Object getData(@NonNls String dataId) { |
| if (PlatformDataKeys.SELECTED_ITEM.is(dataId)){ |
| return myList.getSelectedValue(); |
| } |
| if (PlatformDataKeys.SELECTED_ITEMS.is(dataId)){ |
| return myList.getSelectedValues(); |
| } |
| return null; |
| } |
| |
| @Override |
| public void setBorder(Border border) { |
| if (myList != null){ |
| myList.setBorder(border); |
| } |
| } |
| |
| @Override |
| public void requestFocus() { |
| myList.requestFocus(); |
| } |
| |
| @Override |
| public synchronized void addMouseListener(MouseListener l) { |
| myList.addMouseListener(l); |
| } |
| } |