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