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/*
* $Id: PdfAction.java,v 1.59 2004/12/27 07:09:22 blowagie Exp $
* $Name: $
*
* Copyright 2001, 2002 by Bruno Lowagie.
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.pdf;
import java.net.URL;
import com.lowagie.text.ExceptionConverter;
import java.io.IOException;
/**
* A PdfAction defines an action that can be triggered from a PDF file.
*
* @see PdfDictionary
*/
public class PdfAction extends PdfDictionary {
/** A named action to go to the first page.
*/
public static final int FIRSTPAGE = 1;
/** A named action to go to the previous page.
*/
public static final int PREVPAGE = 2;
/** A named action to go to the next page.
*/
public static final int NEXTPAGE = 3;
/** A named action to go to the last page.
*/
public static final int LASTPAGE = 4;
/** A named action to open a print dialog.
*/
public static final int PRINTDIALOG = 5;
// constructors
public static final int SUBMIT_EXCLUDE = 1;
public static final int SUBMIT_INCLUDE_NO_VALUE_FIELDS = 2;
public static final int SUBMIT_HTML_FORMAT = 4;
public static final int SUBMIT_HTML_GET = 8;
public static final int SUBMIT_COORDINATES = 16;
public static final int RESET_EXCLUDE = 1;
/** Create an empty action.
*/
public PdfAction() {
}
/**
* Constructs a new PdfAction of Subtype URI.
*
* @param url the Url to go to
*/
public PdfAction(URL url) {
this(url.toExternalForm());
}
public PdfAction(URL url, boolean isMap) {
this(url.toExternalForm(), isMap);
}
/**
* Constructs a new PdfAction of Subtype URI.
*
* @param url the url to go to
*/
public PdfAction(String url) {
this(url, false);
}
public PdfAction(String url, boolean isMap) {
put(PdfName.S, PdfName.URI);
put(PdfName.URI, new PdfString(url));
if (isMap)
put(PdfName.ISMAP, PdfBoolean.PDFTRUE);
}
/**
* Constructs a new PdfAction of Subtype GoTo.
* @param destination the destination to go to
*/
PdfAction(PdfIndirectReference destination) {
put(PdfName.S, PdfName.GOTO);
put(PdfName.D, destination);
}
/**
* Constructs a new PdfAction of Subtype GoToR.
* @param filename the file name to go to
* @param name the named destination to go to
*/
public PdfAction(String filename, String name) {
put(PdfName.S, PdfName.GOTOR);
put(PdfName.F, new PdfString(filename));
put(PdfName.D, new PdfString(name));
}
/**
* Constructs a new PdfAction of Subtype GoToR.
* @param filename the file name to go to
* @param page the page destination to go to
*/
public PdfAction(String filename, int page) {
put(PdfName.S, PdfName.GOTOR);
put(PdfName.F, new PdfString(filename));
put(PdfName.D, new PdfLiteral("[" + (page - 1) + " /FitH 10000]"));
}
/** Implements name actions. The action can be FIRSTPAGE, LASTPAGE,
* NEXTPAGE and PREVPAGE.
* @param named the named action
*/
public PdfAction(int named) {
put(PdfName.S, PdfName.NAMED);
switch (named) {
case FIRSTPAGE:
put(PdfName.N, PdfName.FIRSTPAGE);
break;
case LASTPAGE:
put(PdfName.N, PdfName.LASTPAGE);
break;
case NEXTPAGE:
put(PdfName.N, PdfName.NEXTPAGE);
break;
case PREVPAGE:
put(PdfName.N, PdfName.PREVPAGE);
break;
case PRINTDIALOG:
put(PdfName.S, PdfName.JAVASCRIPT);
put(PdfName.JS, new PdfString("this.print(true);\r"));
break;
default:
throw new RuntimeException("Invalid named action.");
}
}
/** Launchs an application or a document.
* @param application the application to be launched or the document to be opened or printed.
* @param parameters (Windows-specific) A parameter string to be passed to the application.
* It can be null.
* @param operation (Windows-specific) the operation to perform: "open" - Open a document,
* "print" - Print a document.
* It can be null.
* @param defaultDir (Windows-specific) the default directory in standard DOS syntax.
* It can be null.
*/
public PdfAction(String application, String parameters, String operation, String defaultDir) {
put(PdfName.S, PdfName.LAUNCH);
if (parameters == null && operation == null && defaultDir == null)
put(PdfName.F, new PdfString(application));
else {
PdfDictionary dic = new PdfDictionary();
dic.put(PdfName.F, new PdfString(application));
if (parameters != null)
dic.put(PdfName.P, new PdfString(parameters));
if (operation != null)
dic.put(PdfName.O, new PdfString(operation));
if (defaultDir != null)
dic.put(PdfName.D, new PdfString(defaultDir));
put(PdfName.WIN, dic);
}
}
/** Launchs an application or a document.
* @param application the application to be launched or the document to be opened or printed.
* @param parameters (Windows-specific) A parameter string to be passed to the application.
* It can be null.
* @param operation (Windows-specific) the operation to perform: "open" - Open a document,
* "print" - Print a document.
* It can be null.
* @param defaultDir (Windows-specific) the default directory in standard DOS syntax.
* It can be null.
* @return a Launch action
*/
public static PdfAction createLaunch(String application, String parameters, String operation, String defaultDir) {
return new PdfAction(application, parameters, operation, defaultDir);
}
/**Creates a Rendition action*/
public static PdfAction rendition(String file, PdfFileSpecification fs, String mimeType, PdfIndirectReference ref) throws IOException {
PdfAction js = new PdfAction();
js.put(PdfName.S, PdfName.RENDITION);
js.put(PdfName.R, new PdfRendition(file, fs, mimeType));
js.put(new PdfName("OP"), new PdfNumber(0));
js.put(new PdfName("AN"), ref);
return js;
}
/** Creates a JavaScript action. If the JavaScript is smaller than
* 50 characters it will be placed as a string, otherwise it will
* be placed as a compressed stream.
* @param code the JavaScript code
* @param writer the writer for this action
* @param unicode select JavaScript unicode. Note that the internal
* Acrobat JavaScript engine does not support unicode,
* so this may or may not work for you
* @return the JavaScript action
*/
public static PdfAction javaScript(String code, PdfWriter writer, boolean unicode) {
PdfAction js = new PdfAction();
js.put(PdfName.S, PdfName.JAVASCRIPT);
if (unicode && code.length() < 50) {
js.put(PdfName.JS, new PdfString(code, PdfObject.TEXT_UNICODE));
}
else if (!unicode && code.length() < 100) {
js.put(PdfName.JS, new PdfString(code));
}
else {
try {
byte b[] = PdfEncodings.convertToBytes(code, unicode ? PdfObject.TEXT_UNICODE : PdfObject.TEXT_PDFDOCENCODING);
PdfStream stream = new PdfStream(b);
stream.flateCompress();
js.put(PdfName.JS, writer.addToBody(stream).getIndirectReference());
}
catch (Exception e) {
throw new ExceptionConverter(e);
}
}
return js;
}
/** Creates a JavaScript action. If the JavaScript is smaller than
* 50 characters it will be place as a string, otherwise it will
* be placed as a compressed stream.
* @param code the JavaScript code
* @param writer the writer for this action
* @return the JavaScript action
*/
public static PdfAction javaScript(String code, PdfWriter writer) {
return javaScript(code, writer, false);
}
static PdfAction createHide(PdfObject obj, boolean hide) {
PdfAction action = new PdfAction();
action.put(PdfName.S, PdfName.HIDE);
action.put(PdfName.T, obj);
if (!hide)
action.put(PdfName.H, PdfBoolean.PDFFALSE);
return action;
}
public static PdfAction createHide(PdfAnnotation annot, boolean hide) {
return createHide(annot.getIndirectReference(), hide);
}
public static PdfAction createHide(String name, boolean hide) {
return createHide(new PdfString(name), hide);
}
static PdfArray buildArray(Object names[]) {
PdfArray array = new PdfArray();
for (int k = 0; k < names.length; ++k) {
Object obj = names[k];
if (obj instanceof String)
array.add(new PdfString((String)obj));
else if (obj instanceof PdfAnnotation)
array.add(((PdfAnnotation)obj).getIndirectReference());
else
throw new RuntimeException("The array must contain String or PdfAnnotation.");
}
return array;
}
public static PdfAction createHide(Object names[], boolean hide) {
return createHide(buildArray(names), hide);
}
public static PdfAction createSubmitForm(String file, Object names[], int flags) {
PdfAction action = new PdfAction();
action.put(PdfName.S, PdfName.SUBMITFORM);
PdfDictionary dic = new PdfDictionary();
dic.put(PdfName.F, new PdfString(file));
dic.put(PdfName.FS, PdfName.URL);
action.put(PdfName.F, dic);
if (names != null)
action.put(PdfName.FIELDS, buildArray(names));
action.put(PdfName.FLAGS, new PdfNumber(flags));
return action;
}
public static PdfAction createResetForm(Object names[], int flags) {
PdfAction action = new PdfAction();
action.put(PdfName.S, PdfName.RESETFORM);
if (names != null)
action.put(PdfName.FIELDS, buildArray(names));
action.put(PdfName.FLAGS, new PdfNumber(flags));
return action;
}
public static PdfAction createImportData(String file) {
PdfAction action = new PdfAction();
action.put(PdfName.S, PdfName.IMPORTDATA);
action.put(PdfName.F, new PdfString(file));
return action;
}
/** Add a chained action.
* @param na the next action
*/
public void next(PdfAction na) {
PdfObject nextAction = get(PdfName.NEXT);
if (nextAction == null)
put(PdfName.NEXT, na);
else if (nextAction.isDictionary()) {
PdfArray array = new PdfArray(nextAction);
array.add(na);
put(PdfName.NEXT, array);
}
else {
((PdfArray)nextAction).add(na);
}
}
/** Creates a GoTo action to an internal page.
* @param page the page to go. First page is 1
* @param dest the destination for the page
* @param writer the writer for this action
* @return a GoTo action
*/
public static PdfAction gotoLocalPage(int page, PdfDestination dest, PdfWriter writer) {
PdfIndirectReference ref = writer.getPageReference(page);
dest.addPage(ref);
PdfAction action = new PdfAction();
action.put(PdfName.S, PdfName.GOTO);
action.put(PdfName.D, dest);
return action;
}
/**
* Creates a GoTo action to a named destination.
* @param dest the named destination
* @param isName if true sets the destination as a name, if false sets it as a String
* @return a GoToR action
*/
public static PdfAction gotoLocalPage(String dest, boolean isName) {
PdfAction action = new PdfAction();
action.put(PdfName.S, PdfName.GOTO);
if (isName)
action.put(PdfName.D, new PdfName(dest));
else
action.put(PdfName.D, new PdfString(dest, null));
return action;
}
/**
* Creates a GoToR action to a named destination.
* @param filename the file name to go to
* @param dest the destination name
* @param newWindow open the document in a new window if true
* @param isName if true sets the destination as a name, if false sets it as a String
* @return a GoToR action
*/
public static PdfAction gotoRemotePage(String filename, String dest, boolean isName, boolean newWindow) {
PdfAction action = new PdfAction();
action.put(PdfName.F, new PdfString(filename));
action.put(PdfName.S, PdfName.GOTOR);
if (isName)
action.put(PdfName.D, new PdfName(dest));
else
action.put(PdfName.D, new PdfString(dest, null));
if (newWindow)
action.put(PdfName.NEWWINDOW, PdfBoolean.PDFTRUE);
return action;
}
}
