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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.
- */
-
- /* $Id$ */
-
- package org.apache.fop.pdf;
-
- import java.awt.geom.Point2D;
-
- /**
- * class representing a /GoTo object.
- * This can either have a Goto to a page reference and location
- * or to a specified PDF reference string.
- */
- public class PDFGoTo extends PDFAction {
-
- /**
- * the pageReference
- */
- private String pageReference;
- private String destination = null;
- private float xPosition = 0;
- private float yPosition = 0;
-
- /**
- * create a /GoTo object.
- *
- * @param pageReference the pageReference represented by this object
- */
- public PDFGoTo(String pageReference) {
- super();
- setPageReference(pageReference);
- }
-
- /**
- * create a /GoTo object.
- *
- * @param pageReference the PDF reference to the target page
- * @param position the target area's on-page coordinates in points
- */
- public PDFGoTo(String pageReference, Point2D position) {
- /* generic creation of object */
- this(pageReference);
- setPosition(position);
- }
-
- /**
- * Sets page reference after object has been created
- *
- * @param pageReference the new page reference to use
- */
- public void setPageReference(String pageReference) {
- this.pageReference = pageReference;
- }
-
- /**
- * Sets the target (X,Y) position
- *
- * @param position the target's on-page coordinates in points
- */
- public void setPosition(Point2D position) {
- this.xPosition = (float) position.getX();
- this.yPosition = (float) position.getY();
- }
-
- /**
- * Sets the x Position to jump to
- *
- * @param xPosition x position
- */
- public void setXPosition(float xPosition) {
- this.xPosition = xPosition;
- }
-
- /**
- * Sets the Y position to jump to
- *
- * @param yPosition y position
- */
- public void setYPosition(float yPosition) {
- this.yPosition = yPosition;
- }
-
- /**
- * Set the destination string for this Goto.
- *
- * @param dest the PDF destination string
- */
- public void setDestination(String dest) {
- destination = dest;
- }
-
- /**
- * Get the PDF reference for the GoTo action.
- *
- * @return the PDF reference for the action
- */
- public String getAction() {
- return referencePDF();
- }
-
- /**
- * {@inheritDoc}
- */
- public String toPDFString() {
- String dest;
- if (destination == null) {
- dest = "/D [" + this.pageReference + " /XYZ " + xPosition
- + " " + yPosition + " null]\n";
- } else {
- dest = "/D [" + this.pageReference + " " + destination + "]\n";
- }
- return getObjectID()
- + "<< /Type /Action\n/S /GoTo\n" + dest
- + ">>\nendobj\n";
- }
-
- /*
- * example
- * 29 0 obj
- * <<
- * /S /GoTo
- * /D [23 0 R /FitH 600]
- * >>
- * endobj
- */
-
- /** {@inheritDoc} */
- protected boolean contentEquals(PDFObject obj) {
- if (this == obj) {
- return true;
- }
-
- if (obj == null || !(obj instanceof PDFGoTo)) {
- return false;
- }
-
- PDFGoTo gt = (PDFGoTo)obj;
-
- if (gt.pageReference == null) {
- if (pageReference != null) {
- return false;
- }
- } else {
- if (!gt.pageReference.equals(pageReference)) {
- return false;
- }
- }
-
- if (destination == null) {
- if (!(gt.destination == null && gt.xPosition == xPosition
- && gt.yPosition == yPosition)) {
- return false;
- }
- } else {
- if (!destination.equals(gt.destination)) {
- return false;
- }
- }
-
- return true;
- }
- }
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