/// <summary>
/// Render option list
/// </summary>
/// <param name="selected">selected items</param>
/// <param name="startAt">position to start show</param>
/// <param name="row">current position</param>
private void RenderOptions(IEnumerable <int> selected, int startAt = 0, int row = 0)
{
ConsoleBuffer.ClearBufferFrom(BUFFER_NAME);
int renderUntil = CalculateLastOptionToRender(startAt);
for (var i = startAt; i < renderUntil; i++)
{
var caret = GetCursorForPosition(i - startAt, row);
var isSelected = selected.Contains(i) ? "(*)" : "( )";
Console.WriteLine($"{caret}{isSelected} {_options[i].Text}");
}
Console.WriteLine("\nPress [SPACE] to select, [ENTER] to accept selection");
}
private static async void StartDemo()
{
const string NAME = "#BUFFER_SELECTION123#";
ConsoleBuffer.MemoriseBufferPosition(NAME);
Console.WriteLine("Select 1 option");
var selection = InputSelection.From <TestClass>()
.AddOption(new TestClass {
Name = "option1"
})
.AddOption(new TestClass {
Name = "option2"
})
.AddOption(new TestClass {
Name = "option3"
})
.AddOption(new TestClass {
Name = "option4"
});
var result1 = await selection.RequestInput();
Console.WriteLine($"Selected => {result1.First()}");
ConsoleI.AwaitContinue();
ConsoleBuffer.ClearBufferFrom(NAME);
Console.WriteLine("Select 1 to 5 options");
var selection2 = InputSelection.From <TestClass>()
.SetMaxSelected(5)
.AddOption(new TestClass {
Name = "option1"
})
.AddOption(new TestClass {
Name = "option2"
})
.AddOption(new TestClass {
Name = "option3"
})
.AddOption(new TestClass {
Name = "option4"
})
.AddOption(new TestClass {
Name = "option5"
})
.AddOption(new TestClass {
Name = "option6"
})
.AddOption(new TestClass {
Name = "option7"
})
.AddOption(new TestClass {
Name = "option8"
})
.AddOption(new TestClass {
Name = "option9"
})
.AddOption(new TestClass {
Name = "option10"
})
.AddOption(new TestClass {
Name = "option11"
});
var result2 = await selection2.RequestInput();
foreach (var r in result2)
{
Console.WriteLine($"Selected => {r}");
}
ConsoleI.AwaitContinue();
ConsoleBuffer.ClearBufferFrom(NAME);
Console.WriteLine("Also works with ENUM");
var result3 = await InputSelection
.FromEnum <EnumTest>()
.RequestInput();
foreach (var r in result3)
{
Console.WriteLine($"Selected => {(int)r}");
}
ConsoleI.AwaitContinue();
ConsoleBuffer.ClearBufferFrom(NAME);
}