/*=============================================================================
  
  Project:   SharpImage
  Module:    siFormRendererEditor.cs
  Language:  C#
  Author:    Dan Mueller
  Date:      $Date: 2007-07-27 03:48:36 +1000 (Fri, 27 Jul 2007) $
  Revision:  $Revision: 9 $

  Copyright (c) Queensland University of Technology (QUT) 2007.
  All rights reserved.

  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.  See the above copyright notices for more information.
  
=============================================================================*/

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;

using SharpImage.Main;
using SharpImage.Rendering;
using SharpImage.Properties;

namespace SharpImage.Forms
{
    public partial class siFormRendererEditor : siFormTool
    {
        #region Instance Variables
        //=====================================================================

        //=====================================================================
        #endregion

        #region Construction and Disposal
        //=====================================================================
        /// <summary>
        /// Default constructor.
        /// </summary>
        /// <param name="tf">The transfer function to edit.</param>
        public siFormRendererEditor(siVolumeRenderer renderer) : base(renderer)
        {
            // Init components
            InitializeComponent();

            // Setup the renderer
            renderer.Modified += new siRenderer.siRendererHandler(renderer_Modified);
            this.gridRenderer.SelectedObject = renderer.Properties;
        }       
        //=====================================================================
        #endregion

        #region Methods
        //=====================================================================
        void renderer_Modified(siRenderer renderer, EventArgs e)
        {
            this.gridRenderer.ResetSelectedProperty();
        }

        private void cmdOpen_Click(object sender, EventArgs e)
        {
            // Show the open file dialog
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.CheckFileExists = true;
            ofd.CheckPathExists = true;
            ofd.DefaultExt = "xml";
            ofd.Filter = "Volume Properties XML files (*.xml)|*.xml";
            ofd.Multiselect = false;
            ofd.RestoreDirectory = true;
            ofd.ShowHelp = false;
            ofd.Title = "Please select the Volume Properties XML file to open...";

            if (ofd.ShowDialog(this) == DialogResult.OK)
            {
                try
                {
                    siVolumeProperties propsFromXmlFile = siVolumeProperties.FromXmlFile(this.Renderer as siVolumeRenderer, ofd.FileName);

                    if (propsFromXmlFile != null)
                    {
                        // Update the renderer
                        (this.Renderer as siVolumeRenderer).Properties = propsFromXmlFile;
                        this.Renderer.RaiseModified();
                        this.Renderer.Repaint();

                        // Update the form
                        this.gridRenderer.SelectedObject = propsFromXmlFile;
                        this.gridRenderer.Refresh();
                    }
                }
                catch (Exception ex)
                {
                    string message = "An error occured while writing the Volume Properties XML file.\r\n\r\n" + ex.ToString();
                    string caption = "Unable to save Volume Properties to XML file";
                    MessageBox.Show(this, message, caption, MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        private void cmdSave_Click(object sender, EventArgs e)
        {
            // Show the save file dialog
            SaveFileDialog sfd = new SaveFileDialog();
            sfd.CheckFileExists = false;
            sfd.CheckPathExists = true;
            sfd.DefaultExt = "xml";
            sfd.Filter = "Volume Properties XML files (*.xml)|*.xml";
            sfd.RestoreDirectory = true;
            sfd.ShowHelp = false;
            sfd.Title = "Please select the Volume Properties XML file to open...";

            if (sfd.ShowDialog(this) == DialogResult.OK)
            {
                try
                {
                    if (this.Renderer is siVolumeRenderer)
                        (this.Renderer as siVolumeRenderer).Properties.ToXmlFile(sfd.FileName);
                }
                catch (Exception ex)
                {
                    string message = "An error occured while writing the Volume Properties XML file.\r\n\r\n" + ex.ToString();
                    string caption = "Unable to save Volume Properties to XML file";
                    MessageBox.Show(this, message, caption, MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }
        //=====================================================================
        #endregion
    }
}