using System;
using System.Drawing;
using CC_Functions.Misc;
namespace CC_Functions.Commandline.TUI
{
///
/// Provides a control for users to select a boolean
///
public class CheckBox : Control
{
///
/// Called when the state of this checkbox is changed
///
/// The current screen instance
/// Args
public delegate void OnCheckedChanged(Screen screen, EventArgs e);
///
/// Whether the box is checked
///
public bool Checked;
///
/// The text inside this checkbox
///
public string Content;
///
/// Creates a new checkbox
///
/// The text inside this CheckBox
public CheckBox(string content)
{
Content = content;
Input += (screen, args) =>
{
switch (args.Info.Key)
{
case ConsoleKey.LeftArrow:
case ConsoleKey.RightArrow:
case ConsoleKey.Spacebar:
Checked = !Checked;
CheckedChanged?.Invoke(screen, args);
break;
}
};
Click += (screen, args) =>
{
Checked = !Checked;
CheckedChanged?.Invoke(screen, args);
};
}
///
public override bool Selectable { get; } = true;
///
public override Pixel[,] Render()
{
char[,] inp1 = Content.ToNdArray2D();
char[,] inp = new char[inp1.GetLength(0), inp1.GetLength(1) + 4];
inp.Populate(' ');
inp1.CopyTo(inp, new Point(4, 0));
inp[0, 0] = '[';
inp[0, 1] = Checked ? 'X' : SpecialChars.Empty;
inp[0, 2] = ']';
int w = inp.GetLength(0);
int h = inp.GetLength(1);
Pixel[,] output = new Pixel[w, h];
for (int x = 0; x < w; x++)
for (int y = 0; y < h; y++)
output[x, y] = new Pixel(Selected ? ForeColor : BackColor, Selected ? BackColor : ForeColor, inp[x, y]);
Size = new Size(w, h);
return output;
}
///
/// Called when the state of this checkbox is changed
///
public event OnClick CheckedChanged;
}
}