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/*
 * $Id: PdfAction.java 4065 2009-09-16 23:09:11Z psoares33 $
 *
 * Copyright 2000 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:
 * https://github.com/LibrePDF/OpenPDF
 */

package com.lowagie.text.pdf;

import com.lowagie.text.error_messages.MessageLocalization;
import com.lowagie.text.pdf.collection.PdfTargetDictionary;
import java.io.IOException;
import java.net.URL;
import java.util.List;

/**
 * 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;

    /**
     * a possible submitvalue
     */
    public static final int SUBMIT_EXCLUDE = 1;
    /**
     * a possible submitvalue
     */
    public static final int SUBMIT_INCLUDE_NO_VALUE_FIELDS = 2;
    /**
     * a possible submitvalue
     */
    public static final int SUBMIT_HTML_FORMAT = 4;
    /**
     * a possible submitvalue
     */
    public static final int SUBMIT_HTML_GET = 8;
    /**
     * a possible submitvalue
     */
    public static final int SUBMIT_COORDINATES = 16;
    /**
     * a possible submitvalue
     */
    public static final int SUBMIT_XFDF = 32;
    /**
     * a possible submitvalue
     */
    public static final int SUBMIT_INCLUDE_APPEND_SAVES = 64;
    /**
     * a possible submitvalue
     */
    public static final int SUBMIT_INCLUDE_ANNOTATIONS = 128;
    /**
     * a possible submitvalue
     */
    public static final int SUBMIT_PDF = 256;
    /**
     * a possible submitvalue
     */
    public static final int SUBMIT_CANONICAL_FORMAT = 512;
    /**
     * a possible submitvalue
     */
    public static final int SUBMIT_EXCL_NON_USER_ANNOTS = 1024;
    /**
     * a possible submitvalue
     */
    public static final int SUBMIT_EXCL_F_KEY = 2048;
    /**
     * a possible submitvalue
     */
    public static final int SUBMIT_EMBED_FORM = 8196;
    /**
     * a possible submitvalue
     */
    public static final int RESET_EXCLUDE = 1;

    // constructors

    /**
     * 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());
    }

    /**
     * Construct a new PdfAction of Subtype URI that accepts the x and y coordinate of the position that
     * was clicked.
     *
     * @param url   the URL
     * @param isMap true if it is a map, false otherwise
     */
    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);
    }

    /**
     * Construct a new PdfAction of Subtype URI that accepts the x and y coordinate of the position that
     * was clicked.
     *
     * @param url   the URL
     * @param isMap true if it is a map, false otherwise
     */
    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, PREVPAGE and PRINTDIALOG.
     *
     * @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(MessageLocalization.getComposedMessage("invalid.named.action"));
        }
    }

    /**
     * Launches 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);
        }
    }

    /**
     * Launches 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
     *
     * @param file     the name of the file
     * @param fs       the PdfSpecification
     * @param mimeType the mime type
     * @param ref      the PdfIndirectReference
     * @return a Media Clip action
     * @throws IOException thrown when an I/O operation fails
     */
    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(writer.getCompressionLevel());
                js.put(PdfName.JS, writer.addToBody(stream).getIndirectReference());
            } catch (Exception e) {
                js.put(PdfName.JS, new PdfString(code));
            }
        }
        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);
    }

    /**
     * A Hide action hides or shows an object.
     *
     * @param obj  object to hide or show
     * @param hide true is hide, false is show
     * @return a Hide Action
     */
    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;
    }

    /**
     * A Hide action hides or shows an annotation.
     *
     * @param annot the annotation to hide or show
     * @param hide  true is hide, false is show
     * @return A Hide Action
     */
    public static PdfAction createHide(PdfAnnotation annot, boolean hide) {
        return createHide(annot.getIndirectReference(), hide);
    }

    /**
     * A Hide action hides or shows an annotation.
     *
     * @param name the name of the object to hide or show
     * @param hide true is hide, false is show
     * @return A Hide Action
     */
    public static PdfAction createHide(String name, boolean hide) {
        return createHide(new PdfString(name), hide);
    }

    static PdfArray buildArray(Object[] names) {
        PdfArray array = new PdfArray();
        for (Object obj : names) {
            if (obj instanceof String) {
                array.add(new PdfString((String) obj));
            } else if (obj instanceof PdfAnnotation) {
                array.add(((PdfAnnotation) obj).getIndirectReference());
            } else {
                throw new RuntimeException(
                        MessageLocalization.getComposedMessage("the.array.must.contain.string.or.pdfannotation"));
            }
        }
        return array;
    }

    /**
     * A Hide action hides or shows objects.
     *
     * @param names Object array containing the Objects to hide or show
     * @param hide  true is hide, false is show
     * @return A Hide Action
     */
    public static PdfAction createHide(Object[] names, boolean hide) {
        return createHide(buildArray(names), hide);
    }

    /**
     * Creates a submit form.
     *
     * @param file  the URI to submit the form to
     * @param names the objects to submit
     * @param flags submit properties
     * @return A PdfAction
     */
    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;
    }

    /**
     * Creates a resetform.
     *
     * @param names the objects to reset
     * @param flags submit properties
     * @return A PdfAction
     */
    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;
    }

    /**
     * Creates an Import field.
     *
     * @param file the name of the file
     * @return A PdfAction
     */
    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;
    }

    /**
     * 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 GoTo 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 isName    if true sets the destination as a name, if false sets it as a String
     * @param newWindow open the document in a new window if true, if false the current document is
     *                  replaced by the new document.
     * @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;
    }

    /**
     * Creates a GoToE action to an embedded file.
     *
     * @param filename  the root document of the target (null if the target is in the same document)
     * @param dest      the named destination
     * @param isName    if true sets the destination as a name, if false sets it as a String
     * @param newWindow if true, the doc should be opened in a new window
     * @param target    a path to the target document of this action
     * @return a GoToE action
     */
    public static PdfAction gotoEmbedded(String filename, PdfTargetDictionary target, String dest, boolean isName,
            boolean newWindow) {
        if (isName) {
            return gotoEmbedded(filename, target, new PdfName(dest), newWindow);
        } else {
            return gotoEmbedded(filename, target, new PdfString(dest, null), newWindow);
        }
    }

    /**
     * Creates a GoToE action to an embedded file.
     *
     * @param filename  the root document of the target (null if the target is in the same document)
     * @param target    a path to the target document of this action
     * @param dest      the destination inside the target document, can be of type PdfDestination, PdfName, or
     *                  PdfString
     * @param newWindow if true, the destination document should be opened in a new window
     * @return a GoToE action
     */
    public static PdfAction gotoEmbedded(String filename, PdfTargetDictionary target, PdfObject dest,
            boolean newWindow) {
        PdfAction action = new PdfAction();
        action.put(PdfName.S, PdfName.GOTOE);
        action.put(PdfName.T, target);
        action.put(PdfName.D, dest);
        action.put(PdfName.NEWWINDOW, new PdfBoolean(newWindow));
        if (filename != null) {
            action.put(PdfName.F, new PdfString(filename));
        }
        return action;
    }

    /**
     * A set-OCG-state action (PDF 1.5) sets the state of one or more optional content groups.
     *
     * @param state      an array consisting of any number of sequences beginning with a PdfName or
     *                   String (ON, OFF, or Toggle) followed by one or more optional content group
     *                   dictionaries
     *                   PdfLayer or a PdfIndirectReference to a PdfLayer.
* The array elements are processed from left to right; each name is applied to the subsequent * groups until the next name is encountered: *
    *
  • ON sets the state of subsequent groups to ON
  • *
  • OFF sets the state of subsequent groups to OFF
  • *
  • Toggle reverses the state of subsequent groups
  • *
* @param preserveRB if true, indicates that radio-button state relationships between optional content * groups (as specified by the RBGroups entry in the current configuration dictionary) should be * preserved when the states in the * state array are applied. That is, if a group is set to ON (either by ON or * Toggle) during processing of the state array, any other groups belong to the same * radio-button group are turned OFF. If a group is set to OFF, there is no effect on other * groups.
If * false, radio-button state relationships, if any, are ignored * @return the action */ public static PdfAction setOCGstate(List state, boolean preserveRB) { PdfAction action = new PdfAction(); action.put(PdfName.S, PdfName.SETOCGSTATE); PdfArray a = new PdfArray(); for (Object o : state) { if (o == null) { continue; } if (o instanceof PdfIndirectReference) { a.add((PdfIndirectReference) o); } else if (o instanceof PdfLayer) { a.add(((PdfLayer) o).getRef()); } else if (o instanceof PdfName) { a.add((PdfName) o); } else if (o instanceof String) { PdfName name = null; String s = (String) o; if (s.equalsIgnoreCase("on")) { name = PdfName.ON; } else if (s.equalsIgnoreCase("off")) { name = PdfName.OFF; } else if (s.equalsIgnoreCase("toggle")) { name = PdfName.TOGGLE; } else { throw new IllegalArgumentException(MessageLocalization.getComposedMessage( "a.string.1.was.passed.in.state.only.on.off.and.toggle.are.allowed", s)); } a.add(name); } else { throw new IllegalArgumentException( MessageLocalization.getComposedMessage("invalid.type.was.passed.in.state.1", o.getClass().getName())); } } action.put(PdfName.STATE, a); if (!preserveRB) { action.put(PdfName.PRESERVERB, PdfBoolean.PDFFALSE); } 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); } } }