using System;
using System.Drawing;
using System.Collections;
using iTextSharp.text;
/*
* Copyright 2002 by Paulo Soares.
*
* 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 {
/** Implements form fields.
*
* @author Paulo Soares (psoares@consiste.pt)
*/
public class PdfFormField : PdfAnnotation {
public const int FF_READ_ONLY = 1;
public const int FF_REQUIRED = 2;
public const int FF_NO_EXPORT = 4;
public const int FF_NO_TOGGLE_TO_OFF = 16384;
public const int FF_RADIO = 32768;
public const int FF_PUSHBUTTON = 65536;
public const int FF_MULTILINE = 4096;
public const int FF_PASSWORD = 8192;
public const int FF_COMBO = 131072;
public const int FF_EDIT = 262144;
public const int FF_FILESELECT = 1048576;
public const int FF_MULTISELECT = 2097152;
public const int FF_DONOTSPELLCHECK = 4194304;
public const int FF_DONOTSCROLL = 8388608;
public const int FF_COMB = 16777216;
public const int FF_RADIOSINUNISON = 1 << 25;
public const int Q_LEFT = 0;
public const int Q_CENTER = 1;
public const int Q_RIGHT = 2;
public const int MK_NO_ICON = 0;
public const int MK_NO_CAPTION = 1;
public const int MK_CAPTION_BELOW = 2;
public const int MK_CAPTION_ABOVE = 3;
public const int MK_CAPTION_RIGHT = 4;
public const int MK_CAPTION_LEFT = 5;
public const int MK_CAPTION_OVERLAID = 6;
public static readonly PdfName IF_SCALE_ALWAYS = PdfName.A;
public static readonly PdfName IF_SCALE_BIGGER = PdfName.B;
public static readonly PdfName IF_SCALE_SMALLER = PdfName.S;
public static readonly PdfName IF_SCALE_NEVER = PdfName.N;
public static readonly PdfName IF_SCALE_ANAMORPHIC = PdfName.A;
public static readonly PdfName IF_SCALE_PROPORTIONAL = PdfName.P;
public const bool MULTILINE = true;
public const bool SINGLELINE = false;
public const bool PLAINTEXT = false;
public const bool PASSWORD = true;
public static PdfName[] mergeTarget = {PdfName.FONT, PdfName.XOBJECT, PdfName.COLORSPACE, PdfName.PATTERN};
/** Holds value of property parent. */
internal PdfFormField parent;
internal ArrayList kids;
/**
* Constructs a new <CODE>PdfAnnotation</CODE> of subtype link (Action).
*/
public PdfFormField(PdfWriter writer, float llx, float lly, float urx, float ury, PdfAction action) : base(writer, llx, lly, urx, ury, action) {
Put(PdfName.TYPE, PdfName.ANNOT);
Put(PdfName.SUBTYPE, PdfName.WIDGET);
annotation = true;
}
/** Creates new PdfFormField */
internal PdfFormField(PdfWriter writer) : base(writer, null) {
form = true;
annotation = false;
}
public void SetWidget(Rectangle rect, PdfName highlight) {
Put(PdfName.TYPE, PdfName.ANNOT);
Put(PdfName.SUBTYPE, PdfName.WIDGET);
Put(PdfName.RECT, new PdfRectangle(rect));
annotation = true;
if (highlight != null && !highlight.Equals(HIGHLIGHT_INVERT))
Put(PdfName.H, highlight);
}
public static PdfFormField CreateEmpty(PdfWriter writer) {
PdfFormField field = new PdfFormField(writer);
return field;
}
public int Button {
set {
Put(PdfName.FT, PdfName.BTN);
if (value != 0)
Put(PdfName.FF, new PdfNumber(value));
}
}
protected static PdfFormField CreateButton(PdfWriter writer, int flags) {
PdfFormField field = new PdfFormField(writer);
field.Button = flags;
return field;
}
public static PdfFormField CreatePushButton(PdfWriter writer) {
return CreateButton(writer, FF_PUSHBUTTON);
}
public static PdfFormField CreateCheckBox(PdfWriter writer) {
return CreateButton(writer, 0);
}
public static PdfFormField CreateRadioButton(PdfWriter writer, bool noToggleToOff) {
return CreateButton(writer, FF_RADIO + (noToggleToOff ? FF_NO_TOGGLE_TO_OFF : 0));
}
public static PdfFormField CreateTextField(PdfWriter writer, bool multiline, bool password, int maxLen) {
PdfFormField field = new PdfFormField(writer);
field.Put(PdfName.FT, PdfName.TX);
int flags = (multiline ? FF_MULTILINE : 0);
flags += (password ? FF_PASSWORD : 0);
field.Put(PdfName.FF, new PdfNumber(flags));
if (maxLen > 0)
field.Put(PdfName.MAXLEN, new PdfNumber(maxLen));
return field;
}
protected static PdfFormField CreateChoice(PdfWriter writer, int flags, PdfArray options, int topIndex) {
PdfFormField field = new PdfFormField(writer);
field.Put(PdfName.FT, PdfName.CH);
field.Put(PdfName.FF, new PdfNumber(flags));
field.Put(PdfName.OPT, options);
if (topIndex > 0)
field.Put(PdfName.TI, new PdfNumber(topIndex));
return field;
}
public static PdfFormField CreateList(PdfWriter writer, String[] options, int topIndex) {
return CreateChoice(writer, 0, ProcessOptions(options), topIndex);
}
public static PdfFormField CreateList(PdfWriter writer, String[,] options, int topIndex) {
return CreateChoice(writer, 0, ProcessOptions(options), topIndex);
}
public static PdfFormField CreateCombo(PdfWriter writer, bool edit, String[] options, int topIndex) {
return CreateChoice(writer, FF_COMBO + (edit ? FF_EDIT : 0), ProcessOptions(options), topIndex);
}
public static PdfFormField CreateCombo(PdfWriter writer, bool edit, String[,] options, int topIndex) {
return CreateChoice(writer, FF_COMBO + (edit ? FF_EDIT : 0), ProcessOptions(options), topIndex);
}
protected static PdfArray ProcessOptions(String[] options) {
PdfArray array = new PdfArray();
for (int k = 0; k < options.Length; ++k) {
array.Add(new PdfString(options[k], PdfObject.TEXT_UNICODE));
}
return array;
}
protected static PdfArray ProcessOptions(String[,] options) {
PdfArray array = new PdfArray();
for (int k = 0; k < options.GetLength(0); ++k) {
PdfArray ar2 = new PdfArray(new PdfString(options[k, 0], PdfObject.TEXT_UNICODE));
ar2.Add(new PdfString(options[k, 1], PdfObject.TEXT_UNICODE));
array.Add(ar2);
}
return array;
}
public static PdfFormField CreateSignature(PdfWriter writer) {
PdfFormField field = new PdfFormField(writer);
field.Put(PdfName.FT, PdfName.SIG);
return field;
}
/** Getter for property parent.
* @return Value of property parent.
*/
public PdfFormField Parent {
get {
return parent;
}
}
public void AddKid(PdfFormField field) {
field.parent = this;
if (kids == null)
kids = new ArrayList();
kids.Add(field);
}
public ArrayList Kids {
get {
return kids;
}
}
public int SetFieldFlags(int flags) {
PdfNumber obj = (PdfNumber)Get(PdfName.FF);
int old;
if (obj == null)
old = 0;
else
old = obj.IntValue;
int v = old | flags;
Put(PdfName.FF, new PdfNumber(v));
return old;
}
public string ValueAsString {
set {
Put(PdfName.V, new PdfString(value, PdfObject.TEXT_UNICODE));
}
}
public string ValueAsName {
set {
Put(PdfName.V, new PdfName(value));
}
}
public PdfSignature ValueAsSig {
set {
Put(PdfName.V, value);
}
}
public string DefaultValueAsString {
set {
Put(PdfName.DV, new PdfString(value, PdfObject.TEXT_UNICODE));
}
}
public string DefaultValueAsName {
set {
Put(PdfName.DV, new PdfName(value));
}
}
public string FieldName {
set {
if (value != null)
Put(PdfName.T, new PdfString(value, PdfObject.TEXT_UNICODE));
}
}
public string UserName {
set {
Put(PdfName.TU, new PdfString(value, PdfObject.TEXT_UNICODE));
}
}
public string MappingName {
set {
Put(PdfName.TM, new PdfString(value, PdfObject.TEXT_UNICODE));
}
}
public int Quadding {
set {
Put(PdfName.Q, new PdfNumber(value));
}
}
internal static void MergeResources(PdfDictionary result, PdfDictionary source, PdfStamperImp writer) {
PdfDictionary dic = null;
PdfDictionary res = null;
PdfName target = null;
for (int k = 0; k < mergeTarget.Length; ++k) {
target = mergeTarget[k];
PdfDictionary pdfDict = (PdfDictionary)PdfReader.GetPdfObject(source.Get(target));
if ((dic = pdfDict) != null) {
if ((res = (PdfDictionary)PdfReader.GetPdfObject(result.Get(target), result)) == null) {
res = new PdfDictionary();
}
res.MergeDifferent(dic);
result.Put(target, res);
if (writer != null)
writer.MarkUsed(res);
}
}
}
internal static void MergeResources(PdfDictionary result, PdfDictionary source) {
MergeResources(result, source, null);
}
public override void SetUsed() {
used = true;
if (parent != null)
Put(PdfName.PARENT, parent.IndirectReference);
if (kids != null) {
PdfArray array = new PdfArray();
for (int k = 0; k < kids.Count; ++k)
array.Add(((PdfFormField)kids[k]).IndirectReference);
Put(PdfName.KIDS, array);
}
if (templates == null)
return;
PdfDictionary dic = new PdfDictionary();
foreach (PdfTemplate template in templates.Keys) {
MergeResources(dic, (PdfDictionary)template.Resources);
}
Put(PdfName.DR, dic);
}
}
}
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