#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using HeuristicLab.MainForm;
using HeuristicLab.MainForm.WindowsForms;

namespace HeuristicLab.Clients.OKB {
  [View("AlgorithmParameter View")]
  [Content(typeof(AlgorithmParameter), true)]
  public partial class AlgorithmParameterView : NamedOKBItemView {
    private List<DataType> dataTypeComboBoxValues;

    public new AlgorithmParameter Content {
      get { return (AlgorithmParameter)base.Content; }
      set { base.Content = value; }
    }

    public AlgorithmParameterView() {
      InitializeComponent();
    }

    protected override void OnInitialized(System.EventArgs e) {
      base.OnInitialized(e);
      dataTypeComboBoxValues = OKBClient.Instance.DataTypes.ToList();
      dataTypeComboBox.DataSource = dataTypeComboBoxValues;
      dataTypeComboBox.SelectedIndex = -1;
    }

    protected override void OnContentChanged() {
      base.OnContentChanged();
      if (Content == null) {
        aliasTextBox.Text = string.Empty;
        dataTypeComboBox.SelectedIndex = -1;
      } else {
        aliasTextBox.Text = Content.Alias;
        dataTypeComboBox.SelectedItem = dataTypeComboBoxValues.FirstOrDefault(d => d.Id == Content.DataTypeId);
      }
    }

    protected override void SetEnabledStateOfControls() {
      base.SetEnabledStateOfControls();
      aliasTextBox.Enabled = Content != null;
      aliasTextBox.ReadOnly = ReadOnly;
      dataTypeComboBox.Enabled = Content != null && !ReadOnly;
    }

    protected override void OnContentPropertyChanged(string propertyName) {
      switch (propertyName) {
        case "Alias":
          aliasTextBox.Text = Content.Alias;
          break;
        case "DataTypeId":
          dataTypeComboBox.SelectedItem = dataTypeComboBoxValues.FirstOrDefault(d => d.Id == Content.DataTypeId);
          break;
      }
    }

    protected virtual void aliasTextBox_KeyDown(object sender, KeyEventArgs e) {
      if ((e.KeyCode == Keys.Enter) || (e.KeyCode == Keys.Return))
        aliasLabel.Focus();  // set focus on label to validate data
      if (e.KeyCode == Keys.Escape) {
        aliasTextBox.Text = Content.Alias;
        aliasLabel.Focus();  // set focus on label to validate data
      }
    }
    protected virtual void aliasTextBox_TextChanged(object sender, EventArgs e) {
      if (aliasTextBox.Text != Content.Alias)
        Content.Alias = aliasTextBox.Text;
    }

    private void dataTypeComboBox_SelectedIndexChanged(object sender, EventArgs e) {
      if (Content != null) Content.DataTypeId = ((DataType)dataTypeComboBox.SelectedItem).Id;
    }
  }
}