ASCU_ALL/PrintPDF/PdfSharp/Pdf.AcroForms/PdfComboBoxField.cs
2021-05-25 17:00:45 +05:00

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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
using System;
namespace PdfSharp.Pdf.AcroForms
{
/// <summary>
/// Represents the combo box field.
/// </summary>
public sealed class PdfComboBoxField : PdfChoiceField
{
/// <summary>
/// Initializes a new instance of PdfComboBoxField.
/// </summary>
internal PdfComboBoxField(PdfDocument document)
: base(document)
{ }
internal PdfComboBoxField(PdfDictionary dict)
: base(dict)
{ }
/// <summary>
/// Gets or sets the index of the selected item.
/// </summary>
public int SelectedIndex
{
get
{
string value = Elements.GetString(Keys.V);
return IndexInOptArray(value);
}
set
{
// xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
if (value != -1) //R080325
{
string key = ValueInOptArray(value);
Elements.SetString(Keys.V, key);
Elements.SetInteger("/I", value); //R080304 !!!!!!! sonst reagiert die Combobox <20>berhaupt nicht !!!!!
}
}
}
/// <summary>
/// Gets or sets the value of the field.
/// </summary>
// xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
public override PdfItem Value //R080304
{
get { return Elements[Keys.V]; }
set
{
if (ReadOnly)
throw new InvalidOperationException("The field is read only.");
if (value is PdfString || value is PdfName)
{
Elements[Keys.V] = value;
SelectedIndex = SelectedIndex; //R080304 !!!
if (SelectedIndex == -1)
{
//R080317 noch nicht rund
try
{
//anh<6E>ngen
((PdfArray)(((PdfItem[])(Elements.Values))[2])).Elements.Add(Value);
SelectedIndex = SelectedIndex;
}
catch { }
}
}
else
throw new NotImplementedException("Values other than string cannot be set.");
}
}
/// <summary>
/// Predefined keys of this dictionary.
/// The description comes from PDF 1.4 Reference.
/// </summary>
public new class Keys : PdfAcroField.Keys
{
// Combo boxes have no additional entries.
internal static DictionaryMeta Meta
{
get
{
if (Keys._meta == null)
Keys._meta = CreateMeta(typeof(Keys));
return Keys._meta;
}
}
static DictionaryMeta _meta;
}
/// <summary>
/// Gets the KeysMeta of this dictionary type.
/// </summary>
internal override DictionaryMeta Meta
{
get { return Keys.Meta; }
}
}
}