| /* |
| * Copyright 2000-2012 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 com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.util.containers.ContainerUtil; |
| import com.intellij.util.ui.PlatformColors; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import javax.swing.*; |
| import javax.swing.event.HyperlinkEvent; |
| import javax.swing.event.HyperlinkListener; |
| import javax.swing.plaf.basic.BasicHTML; |
| import java.awt.*; |
| import java.awt.event.MouseAdapter; |
| import java.awt.event.MouseEvent; |
| import java.util.List; |
| |
| /** |
| * @author Eugene Belyaev |
| */ |
| public class HoverHyperlinkLabel extends JLabel { |
| private String myOriginalText; |
| private final List<HyperlinkListener> myListeners = ContainerUtil.createLockFreeCopyOnWriteList(); |
| |
| public HoverHyperlinkLabel(String text) { |
| this(text, PlatformColors.BLUE); |
| } |
| |
| public HoverHyperlinkLabel(String text, Color color) { |
| super(text); |
| myOriginalText = text; |
| setForeground(color); |
| setupListener(); |
| } |
| |
| private void setupListener() { |
| addMouseListener(new MouseAdapter() { |
| public void mouseEntered(MouseEvent e) { |
| HoverHyperlinkLabel.super.setText(underlineTextInHtml(myOriginalText)); |
| setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR)); |
| } |
| |
| public void mouseExited(MouseEvent e) { |
| HoverHyperlinkLabel.super.setText(myOriginalText); |
| setCursor(Cursor.getDefaultCursor()); |
| } |
| }); |
| |
| new ClickListener() { |
| @Override |
| public boolean onClick(@NotNull MouseEvent e, int clickCount) { |
| HyperlinkEvent event = new HyperlinkEvent(HoverHyperlinkLabel.this, HyperlinkEvent.EventType.ACTIVATED, null); |
| for (HyperlinkListener listener : myListeners) { |
| listener.hyperlinkUpdate(event); |
| } |
| return true; |
| } |
| }.installOn(this); |
| } |
| |
| public void setText(String text) { |
| if (BasicHTML.isHTMLString(getText())) { // if is currently showing string as html |
| super.setText(underlineTextInHtml(text)); |
| } |
| else { |
| super.setText(text); |
| } |
| myOriginalText = text; |
| } |
| |
| @NonNls private static String underlineTextInHtml(final String text) { |
| return "<html><u>" + StringUtil.escapeXml(text) + "</u></html>"; |
| } |
| |
| public String getOriginalText() { |
| return myOriginalText; |
| } |
| |
| public void addHyperlinkListener(HyperlinkListener listener) { |
| myListeners.add(listener); |
| } |
| |
| public void removeHyperlinkListener(HyperlinkListener listener) { |
| myListeners.remove(listener); |
| } |
| } |
