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- /*
- * $Id$
- * ============================================================================
- * The Apache Software License, Version 1.1
- * ============================================================================
- *
- * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modifica-
- * tion, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * 3. The end-user documentation included with the redistribution, if any, must
- * include the following acknowledgment: "This product includes software
- * developed by the Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself, if
- * and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "FOP" and "Apache Software Foundation" must not be used to
- * endorse or promote products derived from this software without prior
- * written permission. For written permission, please contact
- * apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache", nor may
- * "Apache" appear in their name, without prior written permission of the
- * Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
- * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * ============================================================================
- *
- * This software consists of voluntary contributions made by many individuals
- * on behalf of the Apache Software Foundation and was originally created by
- * James Tauber <jtauber@jtauber.com>. For more information on the Apache
- * Software Foundation, please see <http://www.apache.org/>.
- */
- package org.apache.fop.fo.flow;
-
- // FOP
- import org.apache.fop.fo.FObj;
- import org.apache.fop.fo.PropertyList;
- import org.apache.fop.fo.FONode;
- import org.apache.fop.fo.Status;
- import org.apache.fop.apps.FOPException;
- import org.apache.fop.fo.properties.Position;
- import org.apache.fop.layout.Area;
- import org.apache.fop.layout.AccessibilityProps;
- import org.apache.fop.layout.AuralProps;
- import org.apache.fop.layout.BorderAndPadding;
- import org.apache.fop.layout.BackgroundProps;
- import org.apache.fop.layout.MarginInlineProps;
- import org.apache.fop.layout.RelativePositionProps;
- import org.apache.fop.layout.LinkSet;
- import org.apache.fop.layout.Page;
- import org.apache.fop.layout.AreaContainer;
-
- public class BasicLink extends Inline {
-
- public static class Maker extends FObj.Maker {
- public FObj make(FObj parent, PropertyList propertyList,
- String systemId, int line, int column)
- throws FOPException {
- return new BasicLink(parent, propertyList, systemId, line, column);
- }
- }
-
- public static FObj.Maker maker() {
- return new BasicLink.Maker();
- }
-
- public BasicLink(FObj parent, PropertyList propertyList,
- String systemId, int line, int column) throws FOPException {
- super(parent, propertyList, systemId, line, column);
- }
-
- public String getName() {
- return "fo:basic-link";
- }
-
- public int layout(Area area) throws FOPException {
- String destination;
- int linkType;
-
- // Common Accessibility Properties
- AccessibilityProps mAccProps = propMgr.getAccessibilityProps();
-
- // Common Aural Properties
- AuralProps mAurProps = propMgr.getAuralProps();
-
- // Common Border, Padding, and Background Properties
- BorderAndPadding bap = propMgr.getBorderAndPadding();
- BackgroundProps bProps = propMgr.getBackgroundProps();
-
- // Common Margin Properties-Inline
- MarginInlineProps mProps = propMgr.getMarginInlineProps();
-
- // Common Relative Position Properties
- RelativePositionProps mRelProps = propMgr.getRelativePositionProps();
-
- // this.properties.get("alignment-adjust");
- // this.properties.get("alignment-baseline");
- // this.properties.get("baseline-shift");
- // this.properties.get("destination-place-offset");
- // this.properties.get("dominant-baseline");
- // this.properties.get("external-destination");
- // this.properties.get("id");
- // this.properties.get("indicate-destination");
- // this.properties.get("internal-destination");
- // this.properties.get("keep-together");
- // this.properties.get("keep-with-next");
- // this.properties.get("keep-with-previous");
- // this.properties.get("line-height");
- // this.properties.get("line-height-shift-adjustment");
- // this.properties.get("show-destination");
- // this.properties.get("target-processing-context");
- // this.properties.get("target-presentation-context");
- // this.properties.get("target-stylesheet");
-
- if (!(destination =
- this.properties.get("internal-destination").getString()).equals("")) {
- linkType = LinkSet.INTERNAL;
- } else if (!(destination =
- this.properties.get("external-destination").getString()).equals("")) {
- linkType = LinkSet.EXTERNAL;
- if (destination.startsWith("url(") && destination.endsWith(")")) {
- destination = destination.substring(4, destination.length() - 1).trim();
- if (destination.startsWith("\"") && destination.endsWith("\"")) {
- destination = destination.substring(1, destination.length() - 1);
- } else if (destination.startsWith("'") && destination.endsWith("'")) {
- destination = destination.substring(1, destination.length() - 1);
- }
- }
- } else {
- throw new FOPException("internal-destination or external-destination must be specified in basic-link", systemId, line, column);
- }
-
- if (this.marker == START) {
- // initialize id
- String id = this.properties.get("id").getString();
- try {
- area.getIDReferences().initializeID(id, area);
- }
- catch(FOPException e) {
- if (!e.isLocationSet()) {
- e.setLocation(systemId, line, column);
- }
- throw e;
- }
- this.marker = 0;
- }
-
- // new LinkedArea to gather up inlines
- LinkSet ls = new LinkSet(destination, area, linkType);
-
- Page p = area.getPage();
-
- //AreaContainer ac = p.getBody().getCurrentColumnArea();
- AreaContainer ac = area.getNearestAncestorAreaContainer();
- while (ac!=null && ac.getPosition()!=Position.ABSOLUTE) {
- ac = ac.getNearestAncestorAreaContainer();
- }
- if (ac == null) {
- ac = p.getBody().getCurrentColumnArea();
- //System.err.println("Using currentColumnArea as AC for link");
- }
- if (ac == null) {
- throw new FOPException("Couldn't get ancestor AreaContainer when processing basic-link", systemId, line, column);
- }
-
- int numChildren = this.children.size();
- for (int i = this.marker; i < numChildren; i++) {
- FONode fo = (FONode)children.get(i);
- fo.setLinkSet(ls);
-
- int status;
- if (Status.isIncomplete((status = fo.layout(area)))) {
- this.marker = i;
- return status;
- }
- }
-
- ls.applyAreaContainerOffsets(ac, area);
-
- // pass on command line
- String mergeLinks = System.getProperty("links.merge");
- if ((null == mergeLinks) || mergeLinks.equalsIgnoreCase("yes")) {
- ls.mergeLinks();
- }
-
- p.addLinkSet(ls);
-
- return Status.OK;
- }
-
- }
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