using System;
using iTextSharp.text.pdf;
using iTextSharp.text.error_messages;

/*
 * $Id: PdfCollectionItem.cs 106 2009-12-07 12:23:50Z psoares33 $
 *
 * This file is part of the iText project.
 * Copyright (c) 1998-2012 1T3XT BVBA
 * Authors: Bruno Lowagie, Paulo Soares, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
 * 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program 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 Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * you must retain the producer line in every PDF that is created or manipulated
 * using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */

namespace iTextSharp.text.pdf.collection {

    public class PdfCollectionItem : PdfDictionary {
        
        /** The PdfCollectionSchema with the names and types of the items. */
        internal PdfCollectionSchema schema;
        
        /**
        * Constructs a Collection Item that can be added to a PdfFileSpecification.
        */
        public PdfCollectionItem(PdfCollectionSchema schema) : base(PdfName.COLLECTIONITEM) {
            this.schema = schema;
        }
        
        /**
        * Sets the value of the collection item.
        * @param value
        */
        public void AddItem(String key, String value) {
            PdfName fieldname = new PdfName(key);
            PdfCollectionField field = (PdfCollectionField)schema.Get(fieldname);
            Put(fieldname, field.GetValue(value));
        }
        
        /**
        * Sets the value of the collection item.
        * @param value
        */
        public void AddItem(String key, PdfString value) {
            PdfName fieldname = new PdfName(key);
            PdfCollectionField field = (PdfCollectionField)schema.Get(fieldname);
            if (field.fieldType == PdfCollectionField.TEXT) {
                Put(fieldname, value);
            }
        }
        
        /**
        * Sets the value of the collection item.
        * @param value
        */
        public void AddItem(String key, PdfDate d) {
            PdfName fieldname = new PdfName(key);
            PdfCollectionField field = (PdfCollectionField)schema.Get(fieldname);
            if (field.fieldType == PdfCollectionField.DATE) {
                Put(fieldname, d);
            }
        }
        
        /**
        * Sets the value of the collection item.
        * @param value
        */
        public void AddItem(String key, PdfNumber n) {
            PdfName fieldname = new PdfName(key);
            PdfCollectionField field = (PdfCollectionField)schema.Get(fieldname);
            if (field.fieldType == PdfCollectionField.NUMBER) {
                Put(fieldname, n);
            }
        }
        
        /**
        * Sets the value of the collection item.
        * @param value
        */
        public void AddItem(String key, DateTime c) {
            AddItem(key, new PdfDate(c));
        }
        
        /**
        * Sets the value of the collection item.
        * @param value
        */
        public void AddItem(String key, int i) {
            AddItem(key, new PdfNumber(i));
        }
        
        /**
        * Sets the value of the collection item.
        * @param value
        */
        public void AddItem(String key, float f) {
            AddItem(key, new PdfNumber(f));
        }
        
        /**
        * Sets the value of the collection item.
        * @param value
        */
        public void AddItem(String key, double d) {
            AddItem(key, new PdfNumber(d));
        }
        
        /**
        * Adds a prefix for the Collection item.
        * You can only use this method after you have set the value of the item.
        * @param prefix    a prefix
        */
        public void SetPrefix(String key, String prefix) {
            PdfName fieldname = new PdfName(key);
            PdfObject o = Get(fieldname);
            if (o == null)
                throw new InvalidOperationException(MessageLocalization.GetComposedMessage("you.must.set.a.value.before.adding.a.prefix"));
            PdfDictionary dict = new PdfDictionary(PdfName.COLLECTIONSUBITEM);
            dict.Put(PdfName.D, o);
            dict.Put(PdfName.P, new PdfString(prefix, PdfObject.TEXT_UNICODE));
            Put(fieldname, dict);
        }
    }
}
