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

@@ -1,19 +1,29 @@
 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
+    {
+        protected static bool IsDoi(string url)
+        {
+            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 ArticleBib : IBib
+    public record class Article : ItemType, IBib
     {
         public string Type { get; init; } = "article";
         public string[] Author { get; set; } = { "Gianni e Pinotto" };
@@ -29,16 +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];
@@ -48,7 +52,7 @@ namespace Txt2Bib.Records
             try
             {
                 FirstPage = ushort.Parse(entryLines[6].Split('-')[0]);
-                LastPage = ushort.Parse(entryLines[6].Split('-')[1]);
+                LastPage = ushort.Parse(entryLines[6].Split('-')[1].TrimEnd('.'));
             }
             catch (Exception)
             {
@@ -64,11 +68,6 @@ namespace Txt2Bib.Records
             return ToString();
         }
 
-        private bool IsDoi(string url)
-        {
-            return url.Contains("doi");
-        }
-
         public override string ToString()
         {
             return $"@{Type}{{{Author[0][..5].Replace(". ", "_")}_{Year},\n" +
@@ -85,7 +84,7 @@ namespace Txt2Bib.Records
         }
     }
 
-    public record class BookBib : IBib
+    public record class Book : ItemType, IBib
     {
         public string Type { get; init; } = "book";
         public string[] Author { get; set; } = Array.Empty<string>();
@@ -99,20 +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];
@@ -128,15 +121,10 @@ namespace Txt2Bib.Records
             return ToString();
         }
 
-        private bool IsDoi(string url)
-        {
-            return url.Contains("doi");
-        }
-
         public override string ToString()
         {
-            var label = "";
-            var authString = "";
+            string label;
+            string authString;
 
             if (Author.Length != 0)
             {
@@ -160,4 +148,128 @@ namespace Txt2Bib.Records
                 "}\n";
         }
     }
+
+    public record class Proceedings : ItemType, IBib
+    {
+        public string Type { get; init; } = "inproceedings";
+        public string[] Author { 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];
+            BookTitle = entryLines[4];
+            Address = entryLines[5] != String.Empty ? entryLines[5] : Address;
+            Publisher = entryLines[6];
+            try
+            {
+                FirstPage = ushort.Parse(entryLines[7].Split('-')[0]);
+                LastPage = ushort.Parse(entryLines[7].Split('-')[1].TrimEnd('.'));
+            }
+            catch (Exception)
+            {
+                throw;
+            }
+
+            if (entryLines.Length > 8 )
+            {
+                if (IsDoi(entryLines[8])) Doi = entryLines[8];
+                else Url = entryLines[8];
+            }
+
+            return ToString();
+        }
+
+        public override string ToString()
+        {
+            string label = Author[0][..5].Replace(". ", "");
+            string authString = $"\tauthor = \"{string.Join(" and ", Author)}\",\n";
+
+            return $"@{Type}{{{label}_{Year},\n" +
+                authString +
+                $"\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";
+        }
+    }
+
+    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", "?" };
+        private readonly string[] _citTypes = { "J", "B", "C", "P" };
         
         /// <summary>
         /// Generate single .bib file from input text files
@@ -41,7 +41,7 @@ namespace Txt2Bib
         /// <returns></returns>
         public string CreateBibTeX(string path)
         {
-            var reader = File.OpenText(path);
+            using var reader = File.OpenText(path);
             byte[] contentBytes = File.ReadAllBytes(path);
             var content = Encoding.Latin1.GetString(contentBytes);
 
@@ -82,10 +82,10 @@ namespace Txt2Bib
             {
                 citation = type switch
                 {
-                    "J" => (new ArticleBib()).Convert(lines),
-                    "B" => new BookBib().Convert(lines),
-                    //"C" => new ChapterBib(),
-                    //"P" => new ConferenceBib(),
+                    "J" => new Article().Convert(lines),
+                    "B" => new Book().Convert(lines),
+                    "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>0.1.0</Version>
+    <Version>0.1.4</Version>
   </PropertyGroup>
 
   <ItemGroup>