From e78f5656189fe33a31757d0caa23c853a3ed39dd Mon Sep 17 00:00:00 2001
From: burntheroad <gibslp69@gmail.com>
Date: Sun, 4 Oct 2015 23:42:13 +0300
Subject: [PATCH] Finished FileReader mechanism. Added Open file functionality

---
 .../ASCIIFileReader.cs                        | 12 +++--
 TextEditor/FileManager/DefaultFileReader.cs   | 41 ++++++++++++++++
 .../FileReaderStrategy.cs                     |  4 +-
 .../UTF8FileReader.cs                         |  5 +-
 TextEditor/MainWindow.xaml                    |  2 +-
 TextEditor/MainWindow.xaml.cs                 | 48 +++++++++++++++++--
 TextEditor/TextEditor.csproj                  |  9 ++--
 7 files changed, 106 insertions(+), 15 deletions(-)
 rename TextEditor/{FileSaveLoad => FileManager}/ASCIIFileReader.cs (64%)
 create mode 100644 TextEditor/FileManager/DefaultFileReader.cs
 rename TextEditor/{FileSaveLoad => FileManager}/FileReaderStrategy.cs (92%)
 rename TextEditor/{FileSaveLoad => FileManager}/UTF8FileReader.cs (88%)

diff --git a/TextEditor/FileSaveLoad/ASCIIFileReader.cs b/TextEditor/FileManager/ASCIIFileReader.cs
similarity index 64%
rename from TextEditor/FileSaveLoad/ASCIIFileReader.cs
rename to TextEditor/FileManager/ASCIIFileReader.cs
index 2116aa7..a3cea5c 100644
--- a/TextEditor/FileSaveLoad/ASCIIFileReader.cs
+++ b/TextEditor/FileManager/ASCIIFileReader.cs
@@ -4,22 +4,26 @@
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TextEditor
+namespace TextEditor.FileManager
 {
     /// <summary>
-    /// Provides agorythm to reading ASCII encoded file
+    /// Provides agorythm to reading ASCII encoded file.
     /// </summary>
     public class ASCIIFileReader : FileReaderStrategy
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ASCIIFileReader"/> class.
+        /// </summary>
+        /// <param name="fileName">Path to read file.</param>
         public ASCIIFileReader(string fileName)
         {
             this.FileName = fileName;
         }
 
-        public override string[] ReadFile()
+        public override string[] Read()
         {
             List<string> result = new List<string>();
-            using (System.IO.StreamReader streamReader = new System.IO.StreamReader(this.FileName, Encoding.ASCII))
+            using (System.IO.StreamReader streamReader = new System.IO.StreamReader(this.FileName, ASCIIEncoding.Default))
             {
                 while (!streamReader.EndOfStream)
                 {
diff --git a/TextEditor/FileManager/DefaultFileReader.cs b/TextEditor/FileManager/DefaultFileReader.cs
new file mode 100644
index 0000000..0e180ac
--- /dev/null
+++ b/TextEditor/FileManager/DefaultFileReader.cs
@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace TextEditor.FileManager
+{
+    /// <summary>
+    /// Provides algorithm to reading ASCII encoded file.
+    /// </summary>
+    public class DefaultFileReader : FileReaderStrategy
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DefaultFileReader"/> class.
+        /// </summary>
+        /// <param name="fileName">Path to read file.</param>
+        public DefaultFileReader(string fileName)
+        {
+            this.FileName = fileName;
+        }
+
+        /// <summary>
+        /// Reads data from file.
+        /// </summary>
+        /// <returns>Array of read strings.</returns>
+        public override string[] Read()
+        {
+            List<string> result = new List<string>();
+            using (System.IO.StreamReader streamReader = new System.IO.StreamReader(this.FileName))
+            {
+                while (!streamReader.EndOfStream)
+                {
+                    result.Add(streamReader.ReadLine());
+                }
+            }
+
+            return result.ToArray();
+        }
+    }
+}
diff --git a/TextEditor/FileSaveLoad/FileReaderStrategy.cs b/TextEditor/FileManager/FileReaderStrategy.cs
similarity index 92%
rename from TextEditor/FileSaveLoad/FileReaderStrategy.cs
rename to TextEditor/FileManager/FileReaderStrategy.cs
index 47d2164..884c3d5 100644
--- a/TextEditor/FileSaveLoad/FileReaderStrategy.cs
+++ b/TextEditor/FileManager/FileReaderStrategy.cs
@@ -4,7 +4,7 @@
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TextEditor
+namespace TextEditor.FileManager
 {
     /// <summary>
     /// Represents an abstract strategy class for reading from file
@@ -35,6 +35,6 @@ public string FileName
         /// Reads data from file.
         /// </summary>
         /// <returns>Array of read strings.</returns>
-        public abstract string[] ReadFile();
+        public abstract string[] Read();
     }
 }
diff --git a/TextEditor/FileSaveLoad/UTF8FileReader.cs b/TextEditor/FileManager/UTF8FileReader.cs
similarity index 88%
rename from TextEditor/FileSaveLoad/UTF8FileReader.cs
rename to TextEditor/FileManager/UTF8FileReader.cs
index 8ac5c31..ccd8288 100644
--- a/TextEditor/FileSaveLoad/UTF8FileReader.cs
+++ b/TextEditor/FileManager/UTF8FileReader.cs
@@ -3,8 +3,9 @@
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using TextEditor.FileManager;
 
-namespace TextEditor
+namespace TextEditor.FileManager
 {
     /// <summary>
     /// Provides agorythm to reading UTF-8 encoded file
@@ -16,7 +17,7 @@ public UTF8FileReader(string fileName)
             this.FileName = fileName;
         }
 
-        public override string[] ReadFile()
+        public override string[] Read()
         {
             List<string> result = new List<string>();
             using (System.IO.StreamReader streamReader = new System.IO.StreamReader(this.FileName, UTF8Encoding.UTF8))
diff --git a/TextEditor/MainWindow.xaml b/TextEditor/MainWindow.xaml
index 7b653db..21b7acf 100644
--- a/TextEditor/MainWindow.xaml
+++ b/TextEditor/MainWindow.xaml
@@ -49,7 +49,7 @@
             <Button x:Name="ExitButton" Margin="0,11,11,0" BorderBrush="{x:Null}" Foreground="{x:Null}" Height="12" VerticalAlignment="Top" HorizontalAlignment="Right" Width="12" IsManipulationEnabled="True" Style="{DynamicResource IconButtonStyle}" Background="{x:Null}" Click="ExitButton_Click" Grid.Column="1">
                 <Image Source="pack://siteoforigin:,,,/Resources/exit_icon.png" />
             </Button>
-            <Rectangle Fill="#FF535A6F" Margin="0,63,0,324" Grid.ColumnSpan="2"/>
+            <Rectangle Fill="#FF535A6F" Margin="0,63,0,0" Grid.ColumnSpan="2" Height="23" VerticalAlignment="Top"/>
             <Grid.OpacityMask>
                 <VisualBrush Visual="{Binding ElementName=mask}"/>
             </Grid.OpacityMask>
diff --git a/TextEditor/MainWindow.xaml.cs b/TextEditor/MainWindow.xaml.cs
index 78312a9..1ffadb9 100644
--- a/TextEditor/MainWindow.xaml.cs
+++ b/TextEditor/MainWindow.xaml.cs
@@ -1,6 +1,10 @@
 using System;
+using System.IO;
+using System.Text;
 using System.Windows;
+using System.Windows.Documents;
 using System.Windows.Input;
+using TextEditor.FileManager;
 
 namespace TextEditor
 {
@@ -17,6 +21,24 @@ public MainWindow()
             this.InitializeComponent();
         }
 
+        private FlowDocument Document
+        {
+            get { return this.TextBox.Document; }
+        }
+
+        private void DisplayText(string[] text, bool clearWindow = true)
+        {
+            if (clearWindow)
+            {
+                this.Document.Blocks.Clear();
+            }
+
+            foreach (string line in text)
+            {
+                this.Document.Blocks.Add(new Paragraph(new Run(line)));
+            }
+        }
+
         private void NewFileMenuItem_Click(object sender, RoutedEventArgs e)
         {
         }
@@ -25,11 +47,31 @@ private void OpenFileMenuItem_Click(object sender, RoutedEventArgs e)
         {
             Microsoft.Win32.OpenFileDialog ofd = new Microsoft.Win32.OpenFileDialog();
 
-            if (ofd.ShowDialog() == true)
+            if (ofd.ShowDialog() == false)
             {
-                string filename = ofd.FileName;
-                Console.WriteLine(filename);
+                return;
             }
+
+            FileReaderStrategy fileReader;
+            string filename = ofd.FileName;
+            using (StreamReader streamReader = new StreamReader(filename))
+            {
+                streamReader.Peek();
+                if (streamReader.CurrentEncoding == UTF8Encoding.Default)
+                {
+                    fileReader = new UTF8FileReader(filename);
+                }
+                else if (streamReader.CurrentEncoding == ASCIIEncoding.Default)
+                {
+                    fileReader = new ASCIIFileReader(filename);
+                }
+                else
+                {
+                    fileReader = new DefaultFileReader(filename);
+                }
+            }
+
+            this.DisplayText(fileReader.Read());
         }
 
         private void SaveFileMenuItem_Click(object sender, RoutedEventArgs e)
diff --git a/TextEditor/TextEditor.csproj b/TextEditor/TextEditor.csproj
index 0931dc8..9fd8f08 100644
--- a/TextEditor/TextEditor.csproj
+++ b/TextEditor/TextEditor.csproj
@@ -87,8 +87,11 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </ApplicationDefinition>
-    <Compile Include="FileSaveLoad\ASCIIFileReader.cs" />
-    <Compile Include="FileSaveLoad\UTF8FileReader.cs">
+    <Compile Include="FileManager\ASCIIFileReader.cs">
+      <ExcludeFromStyleCop>True</ExcludeFromStyleCop>
+    </Compile>
+    <Compile Include="FileManager\DefaultFileReader.cs" />
+    <Compile Include="FileManager\UTF8FileReader.cs">
       <ExcludeFromStyleCop>True</ExcludeFromStyleCop>
     </Compile>
     <Page Include="MainWindow.xaml">
@@ -103,7 +106,7 @@
       <SubType>Code</SubType>
       <ExcludeFromStyleCop>True</ExcludeFromStyleCop>
     </Compile>
-    <Compile Include="FileSaveLoad\FileReaderStrategy.cs" />
+    <Compile Include="FileManager\FileReaderStrategy.cs" />
     <Compile Include="MainWindow.xaml.cs">
       <DependentUpon>MainWindow.xaml</DependentUpon>
       <SubType>Code</SubType>