/*
* Copyright 2003-2011 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 jetbrains.mps.workbench.components;
import com.intellij.ide.BrowserUtil;
import org.jetbrains.annotations.NonNls;
import javax.swing.JLabel;
import java.awt.Cursor;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
public class RefLabel extends JLabel {
@NonNls
private static final String HTML_PREFIX = "<html><body><a href=\"\">";
@NonNls
private static final String HTML_SUFIX = "</a></body></html>";
String myURL;
public RefLabel(String text, String url) {
super(text);
myURL = url;
addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
launchBrowserAction(myURL, "");
}
});
}
private static void launchBrowserAction(String cmd, String prefix) {
if (cmd != null && cmd.trim().length() > 0) {
try {
BrowserUtil.launchBrowser(prefix + cmd.trim());
}
catch (IllegalThreadStateException ex) {/* not a problem */}
}
}
@Override
public void setText(String text) {
boolean isValid = (text != null && text.trim().length() > 0);
String setVal = isValid ? HTML_PREFIX + text.trim() + HTML_SUFIX : "";
super.setText(setVal);
setCursor(isValid ? Cursor.getPredefinedCursor(Cursor.HAND_CURSOR) : Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
}