using System.Reflection;

using System.Windows.Forms;

using FastColoredTextBoxNS;

using System.Drawing;

using System;

using System.Linq;

using System.Collections.Generic;

using System.Text.RegularExpressions;

namespace Tester

{

public partial class AutocompleteSample3 : Form

{

AutocompleteMenu popupMenu;

public AutocompleteSample3()

{

InitializeComponent();

//create autocomplete popup menu

popupMenu = new AutocompleteMenu(fctb);

popupMenu.ForeColor = Color.White;

popupMenu.BackColor = Color.Gray;

popupMenu.SelectedColor = Color.Purple;

popupMenu.SearchPattern = @"[\w\.]";

popupMenu.AllowTabKey = true;

//assign DynamicCollection as items source

popupMenu.Items.SetAutocompleteItems(new DynamicCollection(popupMenu, fctb));

}

}

/// <summary>

/// Builds list of methods and properties for current class name was typed in the textbox

/// </summary>

internal class DynamicCollection : IEnumerable<AutocompleteItem>

{

private AutocompleteMenu menu;

private FastColoredTextBox tb;

public DynamicCollection(AutocompleteMenu menu, FastColoredTextBox tb)

{

this.menu = menu;

this.tb = tb;

}

public IEnumerator<AutocompleteItem> GetEnumerator()

{

//get current fragment of the text

var text = menu.Fragment.Text;

//extract class name (part before dot)

var parts = text.Split('.');

if (parts.Length < 2)

yield break;

var className = parts[parts.Length - 2];

//find type for given className

var type = FindTypeByName(className);

if (type == null)

yield break;

//return static methods of the class

foreach (var methodName in type.GetMethods().AsEnumerable().Select(mi => mi.Name).Distinct())

yield return new MethodAutocompleteItem(methodName + "()")

{

ToolTipTitle = methodName,

ToolTipText = "Description of method " + methodName + " goes here.",

};

//return static properties of the class

foreach (var pi in type.GetProperties())

yield return new MethodAutocompleteItem(pi.Name)

{

ToolTipTitle = pi.Name,

ToolTipText = "Description of property " + pi.Name + " goes here.",

};

}

Type FindTypeByName(string name)

{

Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();

Type type = null;

foreach (var a in assemblies)

{

foreach (var t in a.GetTypes())

if (t.Name == name)

{

return t;

}

}

return null;

}

System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()

{

return GetEnumerator();

}

}

}