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- /*
- * @(#)LinkArea.java 1.6 96/12/06
- *
- * Copyright (c) 1994-1996 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
- * modify and redistribute this software in source and binary code form,
- * provided that i) this copyright notice and license appear on all copies of
- * the software; and ii) Licensee does not utilize the software in a manner
- * which is disparaging to Sun.
- *
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
- * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
- * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
- * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
- * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
- * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
- * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
- * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
- * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- *
- * This software is not designed or intended for use in on-line control of
- * aircraft, air traffic, aircraft navigation or aircraft communications; or in
- * the design, construction, operation or maintenance of any nuclear
- * facility. Licensee represents and warrants that it will not use or
- * redistribute the Software for such purposes.
- */
-
- import java.awt.Graphics;
- import java.net.URL;
- import java.net.MalformedURLException;
-
- /**
- * The classic "Fetch a URL" ImageArea class.
- * This class extends the basic ImageArea Class to fetch a URL when
- * the user clicks in the area.
- *
- * @author Jim Graham
- * @version 1.6, 12/06/96
- */
- class LinkArea extends ImageMapArea {
- /** The URL to be fetched when the user clicks on this area. */
- URL anchor;
-
- /**
- * The argument string is the URL to be fetched.
- */
- public void handleArg(String arg) {
- try {
- anchor = new URL(parent.getDocumentBase(), arg);
- } catch (MalformedURLException e) {
- anchor = null;
- }
- }
-
- /**
- * The isTerminal method indicates whether events should propagate
- * to the areas underlying this one.
- */
- public boolean isTerminal() {
- return true;
- }
-
- /**
- * The status message area is updated to show the destination URL.
- */
- public void enter() {
- showStatus((anchor != null)
- ? "Go To " + anchor.toExternalForm()
- : null);
- }
-
- /**
- * The status message area is updated to show the destination URL.
- */
- public void exit() {
- showStatus(null);
- }
-
- /**
- * The new URL is fetched when the user releases the mouse button
- * only if they are still in the area.
- */
- public boolean lift(int x, int y) {
- if (inside(x, y) && anchor != null) {
- showDocument(anchor);
- }
- return true;
- }
- }
-