internal void createNewFile()
{
//Declare new FilePath variable and grab validated Path
FilePath path = new FilePath();
string filePath = path.GetFilePath("NewFile");
Console.WriteLine("\nEnter file content");
StreamWriter streamWriter = File.CreateText(filePath);
try
{
//Write in the file until Esc key is pressed
while (Console.ReadKey(true).Key != ConsoleKey.Escape)
{
string line = Console.ReadLine();
streamWriter.WriteLine(line);
}
Console.WriteLine("\nFile created!");
}
finally
{
streamWriter.Close();
}
//Display Menu after creating file
TextEditorMenu menu = new TextEditorMenu();
menu.DisplayMenu(filePath);
}
internal void InsertLine()
{
while (true)
{
Console.WriteLine("\nEnter index of line to insert: ");
int lineNumber;
string index = Console.ReadLine(); //String input for line number
if (Regex.IsMatch(index, @"^\d+$")) //Checks if the index is all numbers
{
lineNumber = int.Parse(index);
var lines = File.ReadAllLines(_path);
//Check line index is in range
if (lineNumber < lines.Length)
{
string[] newLines = new string[lines.Length + 1]; //Array for line insertion
//Read updated new line
Console.Write("Enter new line:");
string newLineData = Console.ReadLine();
//Assigning new value to line
newLines[lineNumber] = newLineData;
//Assinging value from previous lines to new lines
//i & j iterate over the newLines & lines array respectively
for (int i = 0, j = 0; i <= lines.Length; i++)
{
if (i == lineNumber) //skip the inserted line
{
continue;
}
newLines[i] = lines[j]; //assign the lines value
j++; //increment lines iterator
}
//Writing Data back to the file
File.WriteAllLines(_path, newLines);
break;
}
else
{
Console.WriteLine("\nLine number is out of range, enter valid line number");
}
}
else
{
Console.WriteLine("\nInvalid line type, enter valid line number");
}
}
TextEditorMenu menu = new TextEditorMenu();
menu.DisplayMenu(_path);
}
internal void UpdateLine()
{
do
{
Console.WriteLine("\nEnter index of line to update: ");
int lineNumber;
string index = Console.ReadLine(); //String input for line number
if (Regex.IsMatch(index, @"^\d+$")) //Checks if the index is all numbers
{
lineNumber = int.Parse(index);
var lines = File.ReadAllLines(_path);
//Check line index is in range
if (lineNumber < lines.Length)
{
//Read updated line
Console.WriteLine("Enter new updated line:");
string newLineData = Console.ReadLine();
//Assigning new value to line
lines[lineNumber] = newLineData;
//Writing Data back to the file
File.WriteAllLines(_path, lines);
break;
}
else
{
Console.WriteLine("\nLine number is out of range, enter valid line number");
}
}
else
{
Console.WriteLine("\nInvalid line type, enter valid line number");
}
} while (true);
TextEditorMenu menu = new TextEditorMenu();
menu.DisplayMenu(_path);
}
internal void displayFile()
{
//Declare new FilePath variable and grab validated Path
FilePath path = new FilePath();
string filePath = path.GetFilePath("OpenFile");
//StreamReader used for reading entire file
StreamReader streamReader = File.OpenText(filePath);
try
{
//Display the entire file on console
Console.WriteLine("\nFile content:\n\n{0}", streamReader.ReadToEnd());
}
finally
{
streamReader.Close();
}
//Display Menu after creating file
TextEditorMenu menu = new TextEditorMenu();
menu.DisplayMenu(filePath);
}
