Submit Ch3 HW 10

Src/BootCamp.Chapter/Car.cs

@@ -5,7 +5,7 @@
 namespace BootCamp.Chapter
 {
     // This should have the following attribute
-    // [Textable]
+    [TextTable]
     public class Car
     {
         public string Brand { get; }

Src/BootCamp.Chapter/Person.cs

@@ -5,7 +5,7 @@
 namespace BootCamp.Chapter
 {
     // This should have the following attribute
-    // [TextTable(1, '=', 'x', '*')]
+    [TextTable(1, '=', 'x', '*')]
     public class Person
     {
         public string Name { get; }

Src/BootCamp.Chapter/TextBoxPrinter.cs

@@ -1,12 +1,92 @@
 using System;
 using System.Collections.Generic;
+using System.Reflection;
 using System.Text;
 
 namespace BootCamp.Chapter
 {
-    public static class TextBoxPrinter
-    {
-        // TODO: Implement.
-        public static string Print(object obj) => "";
-    }
+	public static class TextBoxPrinter
+	{
+		public static string Print(object obj)
+		{
+			//Get obj type
+			Type objType = obj.GetType();
+			//Get TextTableAttribute from obj
+			TextTableAttribute textTableAttribute = objType.GetCustomAttribute<TextTableAttribute>();
+
+			//If there's no attribute attached then just return the obj's ToString result
+			if (textTableAttribute == null) { return obj.ToString(); }
+
+			//Get obj text per line
+			string[] textLines = obj.ToString().Split(Environment.NewLine);
+
+			//Build the text box
+			StringBuilder sb = new StringBuilder();
+			string corner = textTableAttribute.Corner.ToString();//To not call ToString multiple times
+			string sideLeft = textTableAttribute.SideLeft.ToString();//To not call ToString multiple times
+
+			//Get the max width of the object's text
+			int maxWidth = 0;
+			foreach (string textLine in textLines)
+			{
+				int width = textLine.Length;
+				if (width > maxWidth) { maxWidth = width; }
+			}
+			int spacePaddingLength = (maxWidth + (2 * textTableAttribute.Padding));//Length is max width + 2x padding (on both sides)
+			string linePaddingString = new string(' ', spacePaddingLength);
+
+			//Build top/bottom part of the box
+			StringBuilder sbTopBottom = new StringBuilder();
+			sbTopBottom.Append(corner);
+			sbTopBottom.Append(new string(textTableAttribute.SideTop, spacePaddingLength));
+			sbTopBottom.Append(corner);
+
+			//Add top to box
+			sb.Append(sbTopBottom);
+			sb.AppendLine();//AppendLine() doesn't take StringBuilder, but Append() does
+
+			//Build vertical padding line
+			StringBuilder sbVerticalPadding = new StringBuilder();
+			sbVerticalPadding.Append(sideLeft);
+			sbVerticalPadding.Append(linePaddingString);
+			sbVerticalPadding.AppendLine(sideLeft);
+
+			//Duplicated for each number of padding
+			StringBuilder sbVerticalPaddingLines = new StringBuilder();
+			for (int i = 0; i < textTableAttribute.Padding; i++)
+			{
+				sbVerticalPaddingLines.Append(sbVerticalPadding);
+			}
+
+			//Add Top padding
+			sb.Append(sbVerticalPaddingLines);
+
+			//Build middle sections
+			string paddingString = new string(' ', textTableAttribute.Padding);//Padding spaces
+			foreach (string textLine in textLines)
+			{
+				//Left wall
+				sb.Append(sideLeft);
+				//Padding
+				sb.Append(paddingString);
+				//Text
+				sb.Append(textLine);
+				//Padding
+				sb.Append(paddingString);
+				//Extra padding if the line doesn't have the max width
+				int extraPaddingLength = maxWidth - textLine.Length;
+				if (extraPaddingLength > 0) { sb.Append(new string(' ', extraPaddingLength)); }
+				//Right wall
+				sb.AppendLine(sideLeft);
+			}
+
+			//Add bottom padding
+			sb.Append(sbVerticalPaddingLines);
+
+			//Add bottom of the box
+			sb.Append(sbTopBottom);
+
+			return sb.ToString();
+		}
+	}
 }

Src/BootCamp.Chapter/TextTableAttribute.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BootCamp.Chapter
+{
+	public class TextTableAttribute : Attribute
+	{
+		public int Padding { get; }
+		public char SideTop { get; }
+		public char SideLeft { get; }
+		public char Corner { get; }
+		public TextTableAttribute(int padding = 0, char sideTop = '-', char sideLeft = '|', char corner = '+')
+		{
+			Padding = padding;
+			SideTop = sideTop;
+			SideLeft = sideLeft;
+			Corner = corner;
+		}
+	}
+}