using System;
using System.Text;
using System.IO;
using System.Collections;
using iTextSharp.text;
/*
* $Id: PdfOutline.cs,v 1.4 2005/11/29 17:31:03 psoares33 Exp $
* $Name: $
*
* Copyright 1999, 2000, 2001, 2002 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/
*/
namespace iTextSharp.text.pdf {
/**
* <CODE>PdfOutline</CODE> is an object that represents a PDF outline entry.
* <P>
* An outline allows a user to access views of a document by name.<BR>
* This object is described in the 'Portable Document Format Reference Manual version 1.3'
* section 6.7 (page 104-106)
*
* @see PdfDictionary
*/
public class PdfOutline : PdfDictionary {
// membervariables
/** the <CODE>PdfIndirectReference</CODE> of this object */
private PdfIndirectReference reference;
/** value of the <B>Count</B>-key */
private int count = 0;
/** value of the <B>Parent</B>-key */
private PdfOutline parent;
/** value of the <B>Destination</B>-key */
private PdfDestination destination;
/** The <CODE>PdfAction</CODE> for this outline.
*/
private PdfAction action;
protected ArrayList kids = new ArrayList();
protected PdfWriter writer;
/** Holds value of property tag. */
private string tag;
/** Holds value of property open. */
private bool open;
/** Holds value of property color. */
private Color color;
/** Holds value of property style. */
private int style = 0;
// constructors
/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for the <CODE>outlines object</CODE>.
*/
internal PdfOutline(PdfWriter writer) : base(OUTLINES) {
open = true;
parent = null;
this.writer = writer;
}
/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for an <CODE>outline entry</CODE>. The open mode is
* <CODE>true</CODE>.
*
* @param parent the parent of this outline item
* @param action the <CODE>PdfAction</CODE> for this outline item
* @param title the title of this outline item
*/
public PdfOutline(PdfOutline parent, PdfAction action, string title) : this(parent, action, title, true) {}
/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for an <CODE>outline entry</CODE>.
*
* @param parent the parent of this outline item
* @param action the <CODE>PdfAction</CODE> for this outline item
* @param title the title of this outline item
* @param open <CODE>true</CODE> if the children are visible
*/
public PdfOutline(PdfOutline parent, PdfAction action, string title, bool open) : base() {
this.action = action;
InitOutline(parent, title, open);
}
/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for an <CODE>outline entry</CODE>. The open mode is
* <CODE>true</CODE>.
*
* @param parent the parent of this outline item
* @param destination the destination for this outline item
* @param title the title of this outline item
*/
public PdfOutline(PdfOutline parent, PdfDestination destination, string title) : this(parent, destination, title, true) {}
/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for an <CODE>outline entry</CODE>.
*
* @param parent the parent of this outline item
* @param destination the destination for this outline item
* @param title the title of this outline item
* @param open <CODE>true</CODE> if the children are visible
*/
public PdfOutline(PdfOutline parent, PdfDestination destination, string title, bool open) : base() {
this.destination = destination;
InitOutline(parent, title, open);
}
/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for an <CODE>outline entry</CODE>. The open mode is
* <CODE>true</CODE>.
*
* @param parent the parent of this outline item
* @param action the <CODE>PdfAction</CODE> for this outline item
* @param title the title of this outline item
*/
public PdfOutline(PdfOutline parent, PdfAction action, PdfString title) : this(parent, action, title, true) {}
/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for an <CODE>outline entry</CODE>.
*
* @param parent the parent of this outline item
* @param action the <CODE>PdfAction</CODE> for this outline item
* @param title the title of this outline item
* @param open <CODE>true</CODE> if the children are visible
*/
public PdfOutline(PdfOutline parent, PdfAction action, PdfString title, bool open) : this(parent, action, title.ToString(), open) {}
/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for an <CODE>outline entry</CODE>. The open mode is
* <CODE>true</CODE>.
*
* @param parent the parent of this outline item
* @param destination the destination for this outline item
* @param title the title of this outline item
*/
public PdfOutline(PdfOutline parent, PdfDestination destination, PdfString title) : this(parent, destination, title, true) {}
/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for an <CODE>outline entry</CODE>.
*
* @param parent the parent of this outline item
* @param destination the destination for this outline item
* @param title the title of this outline item
* @param open <CODE>true</CODE> if the children are visible
*/
public PdfOutline(PdfOutline parent, PdfDestination destination, PdfString title, bool open) : this(parent, destination, title.ToString(), true) {}
/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for an <CODE>outline entry</CODE>. The open mode is
* <CODE>true</CODE>.
*
* @param parent the parent of this outline item
* @param action the <CODE>PdfAction</CODE> for this outline item
* @param title the title of this outline item
*/
public PdfOutline(PdfOutline parent, PdfAction action, Paragraph title) : this(parent, action, title, true) {}
/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for an <CODE>outline entry</CODE>.
*
* @param parent the parent of this outline item
* @param action the <CODE>PdfAction</CODE> for this outline item
* @param title the title of this outline item
* @param open <CODE>true</CODE> if the children are visible
*/
public PdfOutline(PdfOutline parent, PdfAction action, Paragraph title, bool open) : base() {
StringBuilder buf = new StringBuilder();
foreach (Chunk chunk in title.Chunks) {
buf.Append(chunk.Content);
}
this.action = action;
InitOutline(parent, buf.ToString(), open);
}
/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for an <CODE>outline entry</CODE>. The open mode is
* <CODE>true</CODE>.
*
* @param parent the parent of this outline item
* @param destination the destination for this outline item
* @param title the title of this outline item
*/
public PdfOutline(PdfOutline parent, PdfDestination destination, Paragraph title) : this(parent, destination, title, true) {}
/**
* Constructs a <CODE>PdfOutline</CODE>.
* <P>
* This is the constructor for an <CODE>outline entry</CODE>.
*
* @param parent the parent of this outline item
* @param destination the destination for this outline item
* @param title the title of this outline item
* @param open <CODE>true</CODE> if the children are visible
*/
public PdfOutline(PdfOutline parent, PdfDestination destination, Paragraph title, bool open) : base() {
StringBuilder buf = new StringBuilder();
foreach (Chunk chunk in title.Chunks) {
buf.Append(chunk.Content);
}
this.destination = destination;
InitOutline(parent, buf.ToString(), open);
}
// methods
/** Helper for the constructors.
* @param parent the parent outline
* @param title the title for this outline
* @param open <CODE>true</CODE> if the children are visible
*/
internal void InitOutline(PdfOutline parent, string title, bool open) {
this.open = open;
this.parent = parent;
writer = parent.writer;
Put(PdfName.TITLE, new PdfString(title, PdfObject.TEXT_UNICODE));
parent.AddKid(this);
if (destination != null && !destination.HasPage()) // bugfix Finn Bock
SetDestinationPage(writer.CurrentPage);
}
/**
* Gets the indirect reference of this <CODE>PdfOutline</CODE>.
*
* @return the <CODE>PdfIndirectReference</CODE> to this outline.
*/
public PdfIndirectReference IndirectReference {
get {
return reference;
}
set {
this.reference = value;
}
}
/**
* Gets the parent of this <CODE>PdfOutline</CODE>.
*
* @return the <CODE>PdfOutline</CODE> that is the parent of this outline.
*/
public PdfOutline Parent {
get {
return parent;
}
}
/**
* Set the page of the <CODE>PdfDestination</CODE>-object.
*
* @param pageReference indirect reference to the page
* @return <CODE>true</CODE> if this page was set as the <CODE>PdfDestination</CODE>-page.
*/
public bool SetDestinationPage(PdfIndirectReference pageReference) {
if (destination == null) {
return false;
}
return destination.AddPage(pageReference);
}
/**
* Gets the destination for this outline.
* @return the destination
*/
public PdfDestination PdfDestination {
get {
return destination;
}
}
internal int Count {
get {
return count;
}
set {
this.count = value;
}
}
/**
* returns the level of this outline.
*
* @return a level
*/
public int Level {
get {
if (parent == null) {
return 0;
}
return (parent.Level + 1);
}
}
/**
* Returns the PDF representation of this <CODE>PdfOutline</CODE>.
*
* @param writer the encryption information
* @param os
* @throws IOException
*/
public override void ToPdf(PdfWriter writer, Stream os) {
if (color != null && !color.Equals(Color.BLACK)) {
Put(PdfName.C, new PdfArray(new float[]{color.R/255f,color.G/255f,color.B/255f}));
}
int flag = 0;
if ((style & Font.BOLD) != 0)
flag |= 2;
if ((style & Font.ITALIC) != 0)
flag |= 1;
if (flag != 0)
Put(PdfName.F, new PdfNumber(flag));
if (parent != null) {
Put(PdfName.PARENT, parent.IndirectReference);
}
if (destination != null && destination.HasPage()) {
Put(PdfName.DEST, destination);
}
if (action != null)
Put(PdfName.A, action);
if (count != 0) {
Put(PdfName.COUNT, new PdfNumber(count));
}
base.ToPdf(writer, os);
}
public void AddKid(PdfOutline outline) {
kids.Add(outline);
}
public ArrayList Kids {
get {
return kids;
}
set {
this.kids = value;
}
}
/** Getter for property tag.
* @return Value of property tag.
*/
public string Tag {
get {
return tag;
}
set {
this.tag = value;
}
}
public string Title {
get {
PdfString title = (PdfString)Get(PdfName.TITLE);
return title.ToString();
}
set {
Put(PdfName.TITLE, new PdfString(value, PdfObject.TEXT_UNICODE));
}
}
/** Setter for property open.
* @param open New value of property open.
*/
public bool Open {
set {
this.open = value;
}
get {
return open;
}
}
public Color Color {
get {
return color;
}
set {
color = value;
}
}
public int Style {
get {
return style;
}
set {
style = value;
}
}
}
}
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