using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using HeuristicLab.Encodings.ParameterConfigurationEncoding;
using HeuristicLab.MainForm;
using HeuristicLab.Core.Views;

namespace HeuristicLab.Problems.MetaOptimization.Views {
  [View("ConstrainedTypeValueView")]
  [Content(typeof(ConstrainedTypeValue), IsDefaultView = false)]
  [Content(typeof(ConstrainedTypeValue<>), IsDefaultView = true)]
  public sealed partial class ConstrainedTypeValueView : ItemView {
    public new ConstrainedTypeValue Content {
      get { return (ConstrainedTypeValue)base.Content; }
      set { base.Content = value; }
    }

    public ConstrainedTypeValueView() {
      InitializeComponent();
    }

    protected override void DeregisterContentEvents() {
      Content.ValueChanged -= new EventHandler(Content_ValueChanged);
      base.DeregisterContentEvents();
    }

    protected override void RegisterContentEvents() {
      base.RegisterContentEvents();
      Content.ValueChanged += new EventHandler(Content_ValueChanged);
    }

    #region Event Handlers (Content)
    void Content_ValueChanged(object sender, EventArgs e) {
      if (InvokeRequired) {
        Invoke(new EventHandler(Content_ValueChanged), sender, e);
      } else {
        this.typeComboBox.SelectedItem = Content.Value;
      }
    }
    #endregion

    protected override void OnContentChanged() {
      base.OnContentChanged();
      if (Content == null) {
        typeComboBox.Items.Clear();
      } else {
        typeComboBox.Items.AddRange(Content.ValidTypes.ToArray());
        Content_ValueChanged(this, EventArgs.Empty);
      }
    }

    protected override void SetEnabledStateOfControls() {
      base.SetEnabledStateOfControls();
    }
    
    #region Event Handlers (child controls)
    private void typeComboBox_SelectedIndexChanged(object sender, EventArgs e) {
      Content.Value = (Type)typeComboBox.SelectedItem;
    }
    #endregion
  }
}