123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242 |
- /*
- * 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.render.rtf.rtflib.rtfdoc;
-
- /*
- * This file is part of the RTF library of the FOP project, which was originally
- * created by Bertrand Delacretaz bdelacretaz@codeconsult.ch and by other
- * contributors to the jfor project (www.jfor.org), who agreed to donate jfor to
- * the FOP project.
- */
-
- import java.io.IOException;
- import java.io.Writer;
-
- import org.apache.fop.apps.FOPException;
-
- /**
- * Creates an hyperlink.
- * This class belongs to the fo:basic-link tag processing.
- * This work was originally authored by <a href="mailto:a.putz@skynamics.com">Andreas Putz</a>
- *
- */
- public class RtfHyperLink
- extends RtfContainer
- implements IRtfTextContainer,
- IRtfTextrunContainer {
-
- //////////////////////////////////////////////////
- // @@ Members
- //////////////////////////////////////////////////
-
- /** The url of the image */
- protected String url;
-
- /** RtfText */
- protected RtfText mText;
-
- //////////////////////////////////////////////////
- // @@ Construction
- //////////////////////////////////////////////////
-
-
- /**
- * A constructor.
- *
- * @param parent a <code>RtfContainer</code> value
- * @param writer a <code>Writer</code> value
- * @param str text of the link
- * @param attr a <code>RtfAttributes</code> value
- * @throws IOException for I/O problems
- */
- public RtfHyperLink(IRtfTextContainer parent, Writer writer, String str, RtfAttributes attr)
- throws IOException {
- super((RtfContainer) parent, writer, attr);
- new RtfText(this, writer, str, attr);
- }
-
- /**
- * A constructor.
- *
- * @param parent a <code>RtfContainer</code> value
- * @param writer a <code>Writer</code> value
- * @param attr a <code>RtfAttributes</code> value
- * @throws IOException for I/O problems
- */
- public RtfHyperLink(RtfTextrun parent, Writer writer, RtfAttributes attr)
- throws IOException {
- super((RtfContainer) parent, writer, attr);
- }
-
-
- //////////////////////////////////////////////////
- // @@ RtfElement implementation
- //////////////////////////////////////////////////
-
- /**
- * Writes the RTF content to m_writer.
- *
- * @exception IOException On error
- */
- public void writeRtfPrefix() throws IOException {
- super.writeGroupMark(true);
- super.writeControlWord("field");
-
- super.writeGroupMark(true);
- super.writeStarControlWord("fldinst");
-
- writer.write("HYPERLINK \"" + url + "\" ");
- super.writeGroupMark(false);
-
- super.writeGroupMark(true);
- super.writeControlWord("fldrslt");
-
- // start a group for this paragraph and write our own attributes if needed
- if (attrib != null && attrib.isSet("cs")) {
- writeGroupMark(true);
- writeAttributes(attrib, new String [] {"cs"});
- }
- }
-
- /**
- * Writes the RTF content to m_writer.
- *
- * @exception IOException On error
- */
- public void writeRtfSuffix() throws IOException {
- if (attrib != null && attrib.isSet("cs")) {
- writeGroupMark(false);
- }
- super.writeGroupMark(false);
- super.writeGroupMark(false);
- }
-
-
- //////////////////////////////////////////////////
- // @@ IRtfContainer implementation
- //////////////////////////////////////////////////
-
- /**
- * close current text run if any and start a new one with default attributes
- * @param str if not null, added to the RtfText created
- * @throws IOException for I/O problems
- * @return new RtfText object
- */
- public RtfText newText(String str) throws IOException {
- return newText(str, null);
- }
-
- /**
- * close current text run if any and start a new one
- * @param str if not null, added to the RtfText created
- * @param attr attributes of text to add
- * @throws IOException for I/O problems
- * @return the new RtfText object
- */
- public RtfText newText(String str, RtfAttributes attr) throws IOException {
- closeAll();
- mText = new RtfText(this, writer, str, attr);
- return mText;
- }
-
- /**
- * IRtfTextContainer requirement:
- * @return a copy of our attributes
- * @throws FOPException if attributes cannot be cloned
- */
- public RtfAttributes getTextContainerAttributes() throws FOPException {
- if (attrib == null) {
- return null;
- }
- try {
- return (RtfAttributes) this.attrib.clone();
- } catch (CloneNotSupportedException e) {
- throw new FOPException(e);
- }
- }
-
-
- /**
- * add a line break
- * @throws IOException for I/O problems
- */
- public void newLineBreak() throws IOException {
- new RtfLineBreak(this, writer);
- }
-
-
- //////////////////////////////////////////////////
- // @@ Common container methods
- //////////////////////////////////////////////////
-
- private void closeCurrentText() throws IOException {
- if (mText != null) {
- mText.close();
- }
- }
-
- private void closeAll() throws IOException {
- closeCurrentText();
- }
-
-
- //////////////////////////////////////////////////
- // @@ Member access
- //////////////////////////////////////////////////
-
- /**
- * Sets the url of the external link.
- *
- * @param url Link url like "http://..."
- */
- public void setExternalURL(String url) {
- this.url = url;
- }
-
- /**
- * Sets the url of the external link.
- *
- * @param jumpTo Name of the text mark
- */
- public void setInternalURL(String jumpTo) {
- int now = jumpTo.length();
- int max = RtfBookmark.MAX_BOOKMARK_LENGTH;
- this.url = "#" + jumpTo.substring(0, now > max ? max : now);
- this.url = this.url.replace('.', RtfBookmark.REPLACE_CHARACTER);
- this.url = this.url.replace(' ', RtfBookmark.REPLACE_CHARACTER);
- }
-
- /**
- *
- * @return false (always)
- */
- public boolean isEmpty() {
- return false;
- }
-
- /**
- * @return a text run
- * @throws IOException if not caught
- */
- public RtfTextrun getTextrun() throws IOException {
- RtfTextrun textrun = RtfTextrun.getTextrun(this, writer, null);
- return textrun;
- }
- }
|