Append additional dropped files (don't clear text area)

MainWindow.xaml.cs

@@ -55,7 +55,7 @@ namespace Txt2Bib
             if (dataObject.ContainsFileDropList())
             {
                 // Clear values
-                DropArea.Text = string.Empty;
+                if (DropArea.Text == InitialDropText) DropArea.Text = string.Empty;
 
                 // Process file names
                 var fileNames = dataObject.GetFileDropList();
@@ -65,7 +65,7 @@ namespace Txt2Bib
                     bd.Append(fileName + "\n");
                 }
                 // Set text
-                DropArea.Text = bd.ToString();
+                DropArea.Text += bd.ToString();
             }
         }
 

Records.cs

@@ -1,17 +1,13 @@
 using System;
-using System.CodeDom;
-using System.Configuration;
 using System.Linq;
 using System.Text.RegularExpressions;
-using System.Windows.Media.Converters;
-using System.Windows.Navigation;
 
 namespace Txt2Bib.Records
 {
     public interface IBib {
         public string Convert(string[] entryLines);
         public string ToString();
-    }
+    };
 
     public abstract record ItemType
     {
@@ -19,6 +15,12 @@ namespace Txt2Bib.Records
         {
             return url.Contains("doi");
         }
+        protected static string Rearrange(string a)
+        {
+                a = a.Trim();
+                var s = a.Split(' ');
+                return $"{s[1]} {s[0]}";
+        }
     }
 
     public record class Article : ItemType, IBib
@@ -37,16 +39,10 @@ namespace Txt2Bib.Records
 
         public string Convert(string[] entryLines)
         {
-            var rearrange = (string a) =>
-            {
-                a = a.Trim();
-                var s = a.Split(' ');
-                return $"{s[1]} {s[0]}";
-            };
             var checkVol = (string v) =>
                 v.Split(',').Length == 2 ? v.Split(',')[0].Trim() : v.Trim();
 
-            Author = entryLines[1].Split(',').Select(a => rearrange(a)).ToArray();
+            Author = entryLines[1].Split(',').Select(a => Rearrange(a)).ToArray();
             Year = ushort.Parse(entryLines[2]);
             Title = entryLines[3];
             Journal = entryLines[4];
@@ -102,20 +98,14 @@ namespace Txt2Bib.Records
 
         public string Convert(string[] entryLines)
         {
-            var rearrange = (string a) =>
-            {
-                a = a.Trim();
-                var s = a.Split(' ');
-                return $"{s[1]} {s[0]}";
-            };
             var auths = entryLines[1];
             if (auths.Contains("eds"))
             {
-                Editor = auths.Replace("(eds.)", "").Split(',').Select(a => rearrange(a)).ToArray();
+                Editor = auths.Replace("(eds.)", "").Split(',').Select(a => Rearrange(a)).ToArray();
             }
             else
             {
-                Author = auths.Split(',').Select(a => rearrange(a)).ToArray();
+                Author = auths.Split(',').Select(a => Rearrange(a)).ToArray();
             }
             Year = ushort.Parse(entryLines[2]);
             Title = entryLines[3];
@@ -163,7 +153,6 @@ namespace Txt2Bib.Records
     {
         public string Type { get; init; } = "inproceedings";
         public string[] Author { get; set; } = Array.Empty<string>();
-        public string[] Editor { get; set; } = Array.Empty<string>();
         public string Title { get; set; } = "";
         public string BookTitle { get; set; } = "";
         public ushort Year { get; set; } = 1950;
@@ -176,13 +165,7 @@ namespace Txt2Bib.Records
 
         public string Convert(string[] entryLines)
         {
-            var rearrange = (string a) =>
+            Author = entryLines[1].Split(',').Select(a => Rearrange(a)).ToArray();
-            {
-                a = a.Trim();
-                var s = a.Split(' ');
-                return $"{s[1]} {s[0]}";
-            };
-            Author = entryLines[1].Split(',').Select(a => rearrange(a)).ToArray();
             Year = ushort.Parse(entryLines[2]);
             Title = entryLines[3];
             BookTitle = entryLines[4];
@@ -225,4 +208,68 @@ namespace Txt2Bib.Records
                 "}\n";
         }
     }
+
+    public record class Chapter : ItemType, IBib
+    {
+        public string Type { get; init; } = "incollection";
+        public string[] Author { get; set; } = Array.Empty<string>();
+        public string[] Editor { get; set; } = Array.Empty<string>();
+        public string Title { get; set; } = "";
+        public string BookTitle { get; set; } = "";
+        public ushort Year { get; set; } = 1950;
+        public string Publisher { get; set; } = "";
+        public string Address { get; set; } = "";
+        public ushort FirstPage { get; set; } = 1;
+        public ushort LastPage { get; set; } = 1;
+        public string Url { get; set; } = "";
+        public string Doi { get; set; } = "";
+
+        public string Convert(string[] entryLines)
+        {
+            Author = entryLines[1].Split(',').Select(a => Rearrange(a)).ToArray();
+            Year = ushort.Parse(entryLines[2]);
+            Title = entryLines[3];
+            Editor = entryLines[4].Replace("(eds.)", "").Split(',').Select(a => Rearrange(a)).ToArray();
+            BookTitle = entryLines[5];
+            Address = entryLines[6] != String.Empty ? entryLines[6] : Address;
+            Publisher = entryLines[7];
+            try
+            {
+                FirstPage = ushort.Parse(entryLines[8].Split('-')[0]);
+                LastPage = ushort.Parse(entryLines[8].Split('-')[1].TrimEnd('.'));
+            }
+            catch (Exception)
+            {
+                throw;
+            }
+
+            if (entryLines.Length > 9)
+            {
+                if (IsDoi(entryLines[9])) Doi = entryLines[9];
+                else Url = entryLines[9];
+            }
+
+            return ToString();
+        }
+
+        public override string ToString()
+        {
+            string label = Author[0][..5].Replace(". ", "");
+            string authString = $"\tauthor = \"{string.Join(" and ", Author)}\",\n";
+            string edsString = $"\teditor = \"{string.Join(" and ", Editor)}\",\n";
+
+            return $"@{Type}{{{label}_{Year},\n" +
+                authString +
+                edsString +
+                $"\ttitle = {{{Title}}},\n" +
+                $"\tbooktitle = {{{BookTitle}}},\n" +
+                $"\tpublisher = \"{Publisher}\",\n" +
+                $"\taddress = \"{Address}\",\n" +
+                $"\tyear = \"{Year}\",\n" +
+                $"\tpages = \"{FirstPage}--{LastPage}\",\n" +
+                $"\turl = \"{Url}\",\n" +
+                $"\tdoi = \"{Doi}\",\n" +
+                "}\n";
+        }
+    }
 }

Text2Bib.cs

@@ -15,7 +15,7 @@ namespace Txt2Bib
     /// </summary>
     public class Text2Bib
     {
-        private string[] _citTypes = { "J", "B", "C", "P", "I" };
+        private readonly string[] _citTypes = { "J", "B", "C", "P" };
         
         /// <summary>
         /// Generate single .bib file from input text files
@@ -84,7 +84,7 @@ namespace Txt2Bib
                 {
                     "J" => new Article().Convert(lines),
                     "B" => new Book().Convert(lines),
-                    //"C" => new ChapterBib(),
+                    "C" => new Chapter().Convert(lines),
                     "P" => new Proceedings().Convert(lines),
                     _ => ""
                 };

Txt2Bib.csproj

@@ -5,7 +5,7 @@
     <TargetFramework>net6.0-windows</TargetFramework>
     <Nullable>enable</Nullable>
     <UseWPF>true</UseWPF>
-    <Version>0.1.2</Version>
+    <Version>0.1.4</Version>
   </PropertyGroup>
 
   <ItemGroup>