RevitSdkSamples/snapshot/2008/SDK/Samples/Materials/CS/MaterialsForm.cs

//
// (C) Copyright 2003-2007 by Autodesk, Inc.
//
// Permission to use, copy, modify, and distribute this software in
// object code form for any purpose and without fee is hereby granted,
// provided that the above copyright notice appears in all copies and
// that both that copyright notice and the limited warranty and
// restricted rights notice below appear in all supporting
// documentation.
//
// AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.
// AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. AUTODESK, INC.
// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
// UNINTERRUPTED OR ERROR FREE.
//
// Use, duplication, or disclosure by the U.S. Government is subject to
// restrictions set forth in FAR 52.227-19 (Commercial Computer
// Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)
// (Rights in Technical Data and Computer Software), as applicable.
// 

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

namespace Revit.SDK.Samples.Materials.CS
{
    /// <summary>
    /// Display all materials and its parameters.
    /// </summary>
    public partial class MaterialsForm : Form
    {
        //A object for Revit materials management.
        private MaterialsMgr m_materialsMgr;

        /// <summary>
        /// Get a buffer of a MaterialMgr object
        /// </summary>
        /// <param name="materialsMgr">A buffer for MaterialMgr object</param>
        public MaterialsForm(MaterialsMgr materialsMgr)
        {
            Debug.Assert(null != materialsMgr);
            // Obtain a object for Revit materials management from revit.
            m_materialsMgr = materialsMgr;
            //Form initialize itself.
            InitializeComponent();
        }

        /// <summary>
        /// Occurs before a form is displayed for the first time.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MaterialsForm_Load(object sender, EventArgs e)
        {
            this.Text = this.Text + " [DisplayUnitSystem: " + m_materialsMgr.DisplayUnitSystem + "]";
            // Fill out list box with all available materials' names.
            m_materialsMgr.GetAllMaterials();
            materialsListBox.DataSource = m_materialsMgr.AllMaterials;

            if (0 == materialsListBox.Items.Count)
            {
                return;
            }
            else
            {
                materialsListBox.SetSelected(0, true);
            }
        }

        /// <summary>
        /// Occurs when the selected item has changed
        /// and that change is displayed in the ComboBox. 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void categoryComboBox_SelectionChangeCommitted(object sender, EventArgs e)
        {
            //Classify material by selected name.
            m_materialsMgr.Classify(categoryComboBox.SelectedItem.ToString());

            // Update list box.
            // DataSource should be set null first, or else it display obsolete data.
            materialsListBox.DataSource = null;
            materialsListBox.DataSource = m_materialsMgr.AllMaterials;
            materialsListBox.Update();

            // If there is no available materials here,  select nothing.
            if (0 == materialsListBox.Items.Count)
            {
                return;
            }
            else
            {
                materialsListBox.SetSelected(0, true);
            }
        }

        /// <summary>
        /// Occurs when the SelectedIndex property has changed. 
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void materialsListBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            //Fill out the property grid with all material parameters of
            //the selected one.
            m_materialsMgr.SelectNewMaterial(materialsListBox.Text);

            //If there is nothing be selected, the property grid show nothing.
            if (null == materialsListBox.SelectedItem)
            {
                materialPropertyGrid.SelectedObject = null;
            }
            else
            {
                materialPropertyGrid.SelectedObject = m_materialsMgr.ActiveMaterialParams;
            }

            // Judge if this material is allowed to duplicate.
            duplicateButton.Enabled = m_materialsMgr.CanDuplicate;
        }

        /// <summary>
        /// Occurs when the button is clicked.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void duplicateButton_Click(object sender, EventArgs e)
        {
            // Duplicate a concrete material. 
            m_materialsMgr.DuplicateNewMaterial(materialsListBox.Text);

            // Update data source of list box.
            // DataSource should be set null first, or else it display obsolete data.
            materialsListBox.DataSource = null;
            materialsListBox.DataSource = m_materialsMgr.AllMaterials;
            materialsListBox.Update();

            materialsListBox.SetSelected(materialsListBox.Items.Count - 1, true);
        }

        /// <summary>
        /// Occurs when the button is clicked.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void okButton_Click(object sender, EventArgs e)
        {
            //Set new material to the selected structure elements.
            m_materialsMgr.SetMaterial(materialsListBox.Text);
        }
    }
}