402 lines
18 KiB
C#
402 lines
18 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 PdfSharp.Pdf.Annotations;
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using PdfSharp.Pdf.Advanced;
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namespace PdfSharp.Pdf.AcroForms
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{
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/// <summary>
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/// Represents the check box field.
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/// </summary>
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public sealed class PdfCheckBoxField : PdfButtonField
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{
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/// <summary>
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/// Initializes a new instance of PdfCheckBoxField.
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/// </summary>
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internal PdfCheckBoxField(PdfDocument document)
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: base(document)
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{
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_document = document;
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}
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internal PdfCheckBoxField(PdfDictionary dict)
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: base(dict)
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{ }
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#if true_
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/// <summary>
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/// Indicates whether the field is checked.
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/// </summary>
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public bool Checked //R080317 // TODO
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{
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get
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{
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if (!HasKids)
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{
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string value = Elements.GetString(Keys.V);
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//return !String.IsNullOrEmpty(value) && value != UncheckedValue;
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return !String.IsNullOrEmpty(value) && value == CheckedName;
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}
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if (Fields.Elements.Items.Length == 2)
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{
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string value = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.GetString(Keys.V);
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//bool bReturn = value.Length != 0 && value != UncheckedValue; //R081114 (3Std.!!) auch auf Nein pr<70>fen; //TODO woher kommt der Wert?
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bool bReturn = value.Length != 0 && value == CheckedName;
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return bReturn;
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}
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// NYI: Return false in any other case.
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return false;
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}
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set
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{
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if (!HasKids)
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{
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//string name = value ? GetNonOffValue() : "/Off";
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string name = value ? CheckedName : UncheckedName;
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Elements.SetName(Keys.V, name);
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Elements.SetName(PdfAnnotation.Keys.AS, name);
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}
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else
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{
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// Here we have to handle fields that exist twice with the same name.
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// Checked must be set for both fields, using /Off for one field and skipping /Off for the other,
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// to have only one field with a check mark.
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// Finding this took me two working days.
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if (Fields.Elements.Items.Length == 2)
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{
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if (value)
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{
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//Element 0 behandeln -> auf checked setzen
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string name1 = "";
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PdfDictionary o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements["/AP"] as PdfDictionary;
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if (o != null)
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{
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PdfDictionary n = o.Elements["/N"] as PdfDictionary;
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if (n != null)
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{
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foreach (string name in n.Elements.Keys)
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{
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//if (name != UncheckedValue)
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if (name == CheckedName)
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{
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name1 = name;
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break;
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}
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}
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}
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}
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if (name1.Length != 0)
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{
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(Keys.V, name1);
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
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}
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//Element 1 behandeln -> auf unchecked setzen
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o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements["/AP"] as PdfDictionary;
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if (o != null)
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{
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PdfDictionary n = o.Elements["/N"] as PdfDictionary;
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if (n != null)
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{
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foreach (string name in n.Elements.Keys)
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{
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if (name == UncheckedName)
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{
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name1 = name;
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break;
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}
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}
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}
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}
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if (!String.IsNullOrEmpty(name1))
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{
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(Keys.V, name1);
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
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}
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}
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else
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{
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//Element 0 behandeln -> auf unchecked setzen
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string name1 = "";
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PdfDictionary o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements["/AP"] as PdfDictionary;
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if (o != null)
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{
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PdfDictionary n = o.Elements["/N"] as PdfDictionary;
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if (n != null)
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{
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foreach (string name in n.Elements.Keys)
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{
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//if (name != UncheckedValue)
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if (name == CheckedName)
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{
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name1 = name;
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break;
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}
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}
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}
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}
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if (name1.Length != 0)
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{
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(Keys.V, name1);
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
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}
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//Element 1 behandeln -> auf checked setzen
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o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements["/AP"] as PdfDictionary;
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if (o != null)
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{
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PdfDictionary n = o.Elements["/N"] as PdfDictionary;
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if (n != null)
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{
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foreach (string name in n.Elements.Keys)
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{
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if (name == UncheckedName)
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{
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name1 = name;
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break;
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}
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}
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}
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}
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if (name1.Length != 0)
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{
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(Keys.V, name1);
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
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}
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}
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}
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}
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}
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}
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#else
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/// <summary>
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/// Indicates whether the field is checked.
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/// </summary>
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public bool Checked
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{
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get
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{
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if (!HasKids) //R080317
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{
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string value = Elements.GetString(Keys.V);
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return value.Length != 0 && value != "/Off";
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}
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else //R080317
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{
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if (Fields.Elements.Items.Length == 2)
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{
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string value = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.GetString(Keys.V);
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bool bReturn = value.Length != 0 && value != "/Off" && value != "/Nein"; //R081114 (3Std.!!) auch auf Nein pr<70>fen; //TODO woher kommt der Wert?
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return bReturn;
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}
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else
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return false;
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}
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}
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set
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{
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if (!HasKids)
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{
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string name = value ? GetNonOffValue() : "/Off";
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Elements.SetName(Keys.V, name);
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Elements.SetName(PdfAnnotation.Keys.AS, name);
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}
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else
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{
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// Here we have to handle fields that exist twice with the same name.
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// Checked must be set for both fields, using /Off for one field and skipping /Off for the other,
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// to have only one field with a check mark.
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// Finding this took me two working days.
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if (Fields.Elements.Items.Length == 2)
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{
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if (value)
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{
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//Element 0 behandeln -> auf checked setzen
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string name1 = "";
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PdfDictionary o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements["/AP"] as PdfDictionary;
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if (o != null)
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{
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PdfDictionary n = o.Elements["/N"] as PdfDictionary;
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if (n != null)
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{
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foreach (string name in n.Elements.Keys)
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{
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if (name != "/Off")
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{
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name1 = name;
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break;
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}
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}
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}
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}
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if (name1.Length != 0)
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{
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(Keys.V, name1);
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
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}
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//Element 1 behandeln -> auf unchecked setzen
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o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements["/AP"] as PdfDictionary;
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if (o != null)
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{
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PdfDictionary n = o.Elements["/N"] as PdfDictionary;
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if (n != null)
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{
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foreach (string name in n.Elements.Keys)
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{
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if (name == "/Off")
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{
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name1 = name;
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break;
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}
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}
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}
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}
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if (name1.Length != 0)
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{
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(Keys.V, name1);
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
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}
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}
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else
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{
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//Element 0 behandeln -> auf unchecked setzen
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string name1 = "";
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PdfDictionary o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements["/AP"] as PdfDictionary;
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if (o != null)
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{
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PdfDictionary n = o.Elements["/N"] as PdfDictionary;
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if (n != null)
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{
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foreach (string name in n.Elements.Keys)
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{
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if (name != "/Off")
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{
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name1 = name;
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break;
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}
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}
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}
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}
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if (name1.Length != 0)
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{
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(Keys.V, name1);
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[1])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
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}
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//Element 1 behandeln -> auf checked setzen
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o = ((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements["/AP"] as PdfDictionary;
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if (o != null)
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{
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PdfDictionary n = o.Elements["/N"] as PdfDictionary;
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if (n != null)
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{
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foreach (string name in n.Elements.Keys)
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{
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if (name == "/Off")
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{
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name1 = name;
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break;
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}
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}
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}
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}
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if (name1.Length != 0)
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{
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(Keys.V, name1);
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((PdfDictionary)(((PdfReference)(Fields.Elements.Items[0])).Value)).Elements.SetName(PdfAnnotation.Keys.AS, name1);
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}
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}
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}
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}
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}
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}
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#endif
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/// <summary>
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/// Gets or sets the name of the dictionary that represents the Checked state.
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/// </summary>
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/// The default value is "/Yes".
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public string CheckedName
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{
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get { return _checkedName; }
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set { _checkedName = value; }
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}
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string _checkedName = "/Yes";
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/// <summary>
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/// Gets or sets the name of the dictionary that represents the Unchecked state.
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/// The default value is "/Off".
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/// </summary>
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public string UncheckedName
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{
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get { return _uncheckedName; }
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set { _uncheckedName = value; }
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}
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string _uncheckedName = "/Off";
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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 : PdfButtonField.Keys
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{
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/// <summary>
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/// (Optional; inheritable; PDF 1.4) A text string to be used in place of the V entry for the
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/// value of the field.
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/// </summary>
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[KeyInfo(KeyType.TextString | KeyType.Optional)]
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public const string Opt = "/Opt";
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/// <summary>
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/// Gets the KeysMeta for these keys.
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/// </summary>
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internal static DictionaryMeta Meta
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{
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get { return _meta ?? (_meta = CreateMeta(typeof(Keys))); }
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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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