+++ /dev/null
-/*
- * $Id$
- * Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
- * For details on use and redistribution please refer to the
- * LICENSE file included with these sources.
- */
-
-package org.apache.fop.datatypes;
-
-import org.apache.fop.pdf.PDFGoTo;
-
-
-public class IDNode {
- private String idValue, internalLinkGoToPageReference;
-
- private PDFGoTo internalLinkGoTo;
-
- private int pageNumber = -1, xPosition = 0, // x position on page
- yPosition = 0; // y position on page
-
-
- /**
- * Constructor for IDNode
- *
- * @param idValue The value of the id for this node
- */
- protected IDNode(String idValue) {
- this.idValue = idValue;
- }
-
-
- /**
- * Sets the page number for this node
- *
- * @param number page number of node
- */
- protected void setPageNumber(int number) {
- pageNumber = number;
- }
-
-
- /**
- * Returns the page number of this node
- *
- * @return page number of this node
- */
- public String getPageNumber() {
- return (pageNumber != -1) ? new Integer(pageNumber).toString() : null;
- }
-
-
- /**
- * creates a new GoTo object for an internal link
- *
- * @param objectNumber
- * the number to be assigned to the new object
- */
- protected void createInternalLinkGoTo(int objectNumber) {
- if (internalLinkGoToPageReference == null) {
- internalLinkGoTo = new PDFGoTo(objectNumber, null);
- } else {
- internalLinkGoTo = new PDFGoTo(objectNumber,
- internalLinkGoToPageReference);
- }
-
- if (xPosition
- != 0) // if the position is known (if x is known, then y is known)
- {
- internalLinkGoTo.setXPosition(xPosition);
- internalLinkGoTo.setYPosition(yPosition);
- }
-
- }
-
-
-
- /**
- * sets the page reference for the internal link's GoTo. The GoTo will jump to this page reference.
- *
- * @param pageReference
- * the page reference to which the internal link GoTo should jump
- * ex. 23 0 R
- */
- protected void setInternalLinkGoToPageReference(String pageReference) {
- if (internalLinkGoTo != null) {
- internalLinkGoTo.setPageReference(pageReference);
- } else {
- internalLinkGoToPageReference = pageReference;
- }
-
- }
-
-
-
- /**
- * Returns the reference to the Internal Link's GoTo object
- *
- * @return GoTo object reference
- */
- protected String getInternalLinkGoToReference() {
- return internalLinkGoTo.referencePDF();
- }
-
-
-
- /**
- * Returns the id value of this node
- *
- * @return this node's id value
- */
- protected String getIDValue() {
- return idValue;
- }
-
-
-
- /**
- * Returns the PDFGoTo object associated with the internal link
- *
- * @return PDFGoTo object
- */
- protected PDFGoTo getInternalLinkGoTo() {
- return internalLinkGoTo;
- }
-
-
- /**
- * Determines whether there is an internal link GoTo for this node
- *
- * @return true if internal link GoTo for this node is set, false otherwise
- */
- protected boolean isThereInternalLinkGoTo() {
- return internalLinkGoTo != null;
- }
-
-
- /**
- * Sets the position of this node
- *
- * @param x the x position
- * @param y the y position
- */
- protected void setPosition(int x, int y) {
- if (internalLinkGoTo != null) {
- internalLinkGoTo.setXPosition(x);
- internalLinkGoTo.setYPosition(y);
- } else {
- xPosition = x;
- yPosition = y;
- }
- }
-
-}
+++ /dev/null
-/*
- * $Id$
- * Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
- * For details on use and redistribution please refer to the
- * LICENSE file included with these sources.
- */
-
-package org.apache.fop.datatypes;
-
-import org.apache.fop.pdf.PDFGoTo;
-
-
-// Java
-import java.util.Hashtable;
-import java.util.Vector;
-import java.util.Enumeration;
-import java.util.NoSuchElementException;
-import org.apache.fop.apps.FOPException;
-
-/**
- IDReferences contains a map of IDs and the objects to which
- they refer. It also contains a list of references to IDs which
- have yet to be encountered.
-
- Modified by Mark Lillywhite mark-fop@inomial.com. Added
- getInvalidElements() so that StreamRenderer cna tell what
- hasn't been determined yet.
-
- Modified by lmckenzi@ca.ibm.com
- Sometimes IDs are created, but not validated. This code fixes
- the incorrect complaint that the ID already exists which prevents
- basic-links from working (sometimes).
-
- */
-public class IDReferences {
- private Hashtable idReferences, idValidation, idUnvalidated;
-
- final static int ID_PADDING = 5000; // space to add before id y position
-
- /**
- * Constructor for IDReferences
- */
- public IDReferences() {
- idReferences = new Hashtable();
- idValidation = new Hashtable();
- idUnvalidated = new Hashtable();
- }
-
- /**
- * Creates id entry
- *
- * @param id The id to create
- * @param area The area where this id was encountered
- * @exception FOPException
- */
- public void createID(String id) throws FOPException {
- if (id != null &&!id.equals("")) {
- if (doesUnvalidatedIDExist(id)) {
- removeFromUnvalidatedIDList(id);
- //Steve's (gears@apache.org) comment: Is this right?
- removeFromIdValidationList(id);
- }
- else if (doesIDExist(id)) {
- throw new FOPException("The id \"" + id
- + "\" already exists in this document");
- } else {
- createNewId(id);
- removeFromIdValidationList(id);
- }
-
- }
- }
-
- /**
- * Creates id entry that hasn't been validated
- *
- * @param id The id to create
- */
- public void createUnvalidatedID(String id) {
- if (id != null &&!id.equals("")) {
- if (!doesIDExist(id)) {
- createNewId(id);
- addToUnvalidatedIdList(id);
- }
- }
- }
-
- /**
- * Adds created id list of unvalidated ids that have already
- * been created. This should be used if it is unsure whether
- * the id is valid but it must be anyhow.
- *
- * @param id The id to create
- */
- public void addToUnvalidatedIdList(String id) {
- idUnvalidated.put(id,"");
- }
-
- /**
- * Removes id from list of unvalidated ids.
- * This should be used if the id has been determined
- * to be valid.
- *
- * @param id The id to remove
- */
- public void removeFromUnvalidatedIDList(String id) {
- idUnvalidated.remove(id);
- }
-
- /**
- * Determines whether specified id already exists in
- * idUnvalidated
- *
- * @param id The id to search for
- * @return true if ID was found, false otherwise
- */
- public boolean doesUnvalidatedIDExist(String id) {
- return idUnvalidated.containsKey(id);
- }
-
- /**
- * Adds id to validation list to be validated . This should be used if it is unsure whether the id is valid
- *
- * @param id id to be added
- */
- public void addToIdValidationList(String id) {
- idValidation.put(id, "");
- }
-
-
-
- /**
- * Removes id from validation list. This should be used if the id has been determined to be valid
- *
- * @param id the id to remove
- */
- public void removeFromIdValidationList(String id) {
- idValidation.remove(id);
- }
-
-
- /**
- * Removes id from IDReferences
- *
- * @param id The id to remove
- */
- public void removeID(String id) {
- idReferences.remove(id);
- }
-
-
- /**
- * Determines whether all id's are valid
- *
- * @return true if all id's are valid, false otherwise
- */
- public boolean isEveryIdValid() {
- return (idValidation.size() == 0);
- }
-
-
-
- /**
- * Returns all invalid id's still remaining in the validation list
- *
- * @return invalid ids from validation list
- */
- public String getInvalidIds() {
- StringBuffer list = new StringBuffer();
- Enumeration enum = idValidation.keys();
- while (enum.hasMoreElements()) {
- list.append("\n\"").append(enum.nextElement().toString()).append("\" ");
- }
- return list.toString();
- }
-
-
- /**
- * Determines whether specified id already exists in IDReferences
- *
- * @param id the id to search for
- * @return true if ID was found, false otherwise
- */
- public boolean doesIDExist(String id) {
- return idReferences.containsKey(id);
- }
-
-
- /**
- * Determines whether the GoTo reference for the specified id is defined
- *
- * @param id the id to search for
- * @return true if GoTo reference is defined, false otherwise
- */
- public boolean doesGoToReferenceExist(String id) {
- IDNode node = (IDNode)idReferences.get(id);
- return node.isThereInternalLinkGoTo();
- }
-
-
-
-
- /**
- * Returns the reference to the GoTo object used for the internal link
- *
- * @param id the id whose reference to use
- * @return reference to GoTo object
- */
- public String getInternalLinkGoToReference(String id) {
- IDNode node = (IDNode)idReferences.get(id);
- return node.getInternalLinkGoToReference();
- }
-
-
-
- /**
- * creates an Internal Link GoTo object for this id
- *
- * @param id The id for which to set the Internal Link Go To
- * @param objectNumber
- * The object number to use for the GoTo object
- * @return the object reference of the new GoTo object
- */
- public String createInternalLinkGoTo(String id, int objectNumber) {
- IDNode node = (IDNode)idReferences.get(id); // retrieve id node
- node.createInternalLinkGoTo(objectNumber); // create Internal Link GoTo object
- return node.getInternalLinkGoToReference(); // return Internal Link Go To object reference
- }
-
-
-
- /**
- * Adds an id to IDReferences
- *
- * @param id the id to add
- */
- public void createNewId(String id) {
- IDNode node = new IDNode(id);
- idReferences.put(id, node);
- }
-
-
- /**
- * Returns the PDFGoTo object for the specified id
- *
- * @param id the id for which the PDFGoTo to be retrieved is associated
- * @return the PDFGoTo object associated with the specified id
- */
- public PDFGoTo getPDFGoTo(String id) {
- IDNode node = (IDNode)idReferences.get(id);
- return node.getInternalLinkGoTo();
- }
-
-
- /**
- * sets the page reference for the internal link's GoTo. The GoTo will jump to this page reference.
- *
- * @param pageReference
- * the page reference to which the internal link GoTo should jump
- * ex. 23 0 R
- */
- public void setInternalGoToPageReference(String id,
- String pageReference) {
- IDNode node = (IDNode)idReferences.get(id);
- if (node != null) {
- node.setInternalLinkGoToPageReference(pageReference);
- }
- }
-
-
- /**
- * Sets the page number for the specified id
- *
- * @param id The id whose page number is being set
- * @param pageNumber The page number of the specified id
- */
- public void setPageNumber(String id, int pageNumber) {
- IDNode node = (IDNode)idReferences.get(id);
- node.setPageNumber(pageNumber);
- }
-
-
- /**
- * Returns the page number where the specified id is found
- *
- * @param id The id whose page number to return
- * @return the page number of the id, or null if the id does not exist
- */
- public String getPageNumber(String id) {
- if (doesIDExist(id)) {
- IDNode node = (IDNode)idReferences.get(id);
- return node.getPageNumber();
- } else {
- addToIdValidationList(id);
- return null;
- }
- }
-
-
- /**
- * Sets the x and y position of specified id
- *
- * @param id the id whose position is to be set
- * @param x x position of id
- * @param y y position of id
- */
- public void setPosition(String id, int x, int y) {
- IDNode node = (IDNode)idReferences.get(id);
- node.setPosition(x, y);
- }
-
- public Enumeration getInvalidElements() {
- return idValidation.keys();
- }
-}
projects / xmlgraphics-fop.git / commitdiff