#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2011 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.Drawing;
using System.Windows.Forms;
using HeuristicLab.MainForm;
using HeuristicLab.MainForm.WindowsForms;

namespace HeuristicLab.Analysis.Views {
  [View("DataRow Visual Properties")]
  public partial class DataRowVisualPropertiesControl : UserControl {
    protected bool SuppressEvents { get; set; }

    private DataRowVisualProperties content;
    public DataRowVisualProperties Content {
      get { return content; }
      set {
        bool changed = (value != content);
        content = value;
        if (changed) OnContentChanged();
      }
    }

    public DataRowVisualPropertiesControl() {
      InitializeComponent();
      chartTypeComboBox.DataSource = Enum.GetValues(typeof(DataRowVisualProperties.DataRowChartType));
    }

    protected virtual void OnContentChanged() {
      SuppressEvents = true;
      try {
        if (Content == null) {
          chartTypeComboBox.SelectedIndex = -1;
          colorButton.BackColor = SystemColors.Control;
          secondYAxisCheckBox.Checked = false;
          startIndexZeroCheckBox.Checked = false;
          binsNumericUpDown.Value = 1;
          exactBinsCheckBox.Checked = false;
        } else {
          chartTypeComboBox.SelectedItem = Content.ChartType;
          colorButton.BackColor = Content.Color;
          secondYAxisCheckBox.Checked = Content.SecondYAxis;
          startIndexZeroCheckBox.Checked = Content.StartIndexZero;
          binsNumericUpDown.Value = Content.Bins;
          exactBinsCheckBox.Checked = Content.ExactBins;
        }
      } finally { SuppressEvents = false; }
      SetEnabledStateOfControls();
    }

    protected virtual void SetEnabledStateOfControls() {
      commonGroupBox.Enabled = Content != null;
      histoGramGroupBox.Enabled = Content != null && Content.ChartType == DataRowVisualProperties.DataRowChartType.Histogram;
    }

    #region Event Handlers
    private void chartTypeComboBox_SelectedValueChanged(object sender, EventArgs e) {
      if (!SuppressEvents && Content != null) {
        Content.ChartType = (DataRowVisualProperties.DataRowChartType)chartTypeComboBox.SelectedValue;
        SetEnabledStateOfControls();
      }
    }

    private void colorButton_Click(object sender, EventArgs e) {
      if (colorDialog.ShowDialog() == DialogResult.OK) {
        Content.Color = colorDialog.Color;
        colorButton.BackColor = Content.Color;
      }
    }

    private void secondYAxisCheckBox_CheckedChanged(object sender, EventArgs e) {
      if (!SuppressEvents && Content != null) {
        Content.SecondYAxis = secondYAxisCheckBox.Checked;
      }
    }

    private void startIndexZeroCheckBox_CheckedChanged(object sender, EventArgs e) {
      if (!SuppressEvents && Content != null) {
        Content.StartIndexZero = startIndexZeroCheckBox.Checked;
      }
    }

    private void binsNumericUpDown_ValueChanged(object sender, EventArgs e) {
      if (!SuppressEvents && Content != null) {
        Content.Bins = (int)binsNumericUpDown.Value;
      }
    }

    private void exactBinsCheckBox_CheckedChanged(object sender, EventArgs e) {
      if (!SuppressEvents && Content != null) {
        Content.ExactBins = exactBinsCheckBox.Checked;
      }
    }
    #endregion
  }
}