// Copyright 2012 ESRI
// 
// All rights reserved under the copyright laws of the United States
// and applicable international laws, treaties, and conventions.
// 
// You may freely redistribute and use this sample code, with or
// without modification, provided you include the original copyright
// notice and use restrictions.
// 
// See the use restrictions.
// 

using System;
using System.Windows.Forms;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.DataSourcesFile;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS;

namespace CADView
{
  /// <summary>
  /// Summary description for Form1.
  /// </summary>
  public class CADView : System.Windows.Forms.Form
  {
    public System.Windows.Forms.Button CmdFullExtent;
    public System.Windows.Forms.Label Label2;
    public System.Windows.Forms.Label Label1;
    private ESRI.ArcGIS.Controls.AxMapControl axMapControl1;
    private ESRI.ArcGIS.Controls.AxLicenseControl axLicenseControl1;
    /// <summary>
    /// Required designer variable.
    /// </summary>
    private System.ComponentModel.Container components = null;

    public CADView()
    {
      //
      // Required for Windows Form Designer support
      //
      InitializeComponent();

      //
      // TODO: Add any constructor code after InitializeComponent call
      //
    }

    /// <summary>
    /// Clean up any resources being used.
    /// </summary>
    protected override void Dispose( bool disposing )
    {
            //Release COM objects 
            ESRI.ArcGIS.ADF.COMSupport.AOUninitialize.Shutdown();

      if( disposing )
      {
        if (components != null) 
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }

    #region Windows Form Designer generated code
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    private void InitializeComponent()
    {
      System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(CADView));
      this.CmdFullExtent = new System.Windows.Forms.Button();
      this.Label2 = new System.Windows.Forms.Label();
      this.Label1 = new System.Windows.Forms.Label();
      this.axMapControl1 = new ESRI.ArcGIS.Controls.AxMapControl();
      this.axLicenseControl1 = new ESRI.ArcGIS.Controls.AxLicenseControl();
      ((System.ComponentModel.ISupportInitialize)(this.axMapControl1)).BeginInit();
      ((System.ComponentModel.ISupportInitialize)(this.axLicenseControl1)).BeginInit();
      this.SuspendLayout();
      // 
      // CmdFullExtent
      // 
      this.CmdFullExtent.BackColor = System.Drawing.SystemColors.Control;
      this.CmdFullExtent.Cursor = System.Windows.Forms.Cursors.Default;
      this.CmdFullExtent.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.CmdFullExtent.ForeColor = System.Drawing.SystemColors.ControlText;
      this.CmdFullExtent.Location = new System.Drawing.Point(8, 328);
      this.CmdFullExtent.Name = "CmdFullExtent";
      this.CmdFullExtent.RightToLeft = System.Windows.Forms.RightToLeft.No;
      this.CmdFullExtent.Size = new System.Drawing.Size(97, 33);
      this.CmdFullExtent.TabIndex = 4;
      this.CmdFullExtent.Text = "Full Extent";
      this.CmdFullExtent.Click += new System.EventHandler(this.CmdFullExtent_Click);
      // 
      // Label2
      // 
      this.Label2.BackColor = System.Drawing.SystemColors.Control;
      this.Label2.Cursor = System.Windows.Forms.Cursors.Default;
      this.Label2.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.Label2.ForeColor = System.Drawing.SystemColors.ControlText;
      this.Label2.Location = new System.Drawing.Point(112, 344);
      this.Label2.Name = "Label2";
      this.Label2.RightToLeft = System.Windows.Forms.RightToLeft.No;
      this.Label2.Size = new System.Drawing.Size(401, 17);
      this.Label2.TabIndex = 6;
      this.Label2.Text = "Right mouse button to pan.";
      // 
      // Label1
      // 
      this.Label1.BackColor = System.Drawing.SystemColors.Control;
      this.Label1.Cursor = System.Windows.Forms.Cursors.Default;
      this.Label1.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.Label1.ForeColor = System.Drawing.SystemColors.ControlText;
      this.Label1.Location = new System.Drawing.Point(112, 328);
      this.Label1.Name = "Label1";
      this.Label1.RightToLeft = System.Windows.Forms.RightToLeft.No;
      this.Label1.Size = new System.Drawing.Size(401, 17);
      this.Label1.TabIndex = 5;
      this.Label1.Text = "Left mouse button to drag a rectangle to zoom in.";
      // 
      // axMapControl1
      // 
      this.axMapControl1.Location = new System.Drawing.Point(8, 8);
      this.axMapControl1.Name = "axMapControl1";
      this.axMapControl1.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axMapControl1.OcxState")));
      this.axMapControl1.Size = new System.Drawing.Size(576, 312);
      this.axMapControl1.TabIndex = 7;
      this.axMapControl1.OnMouseDown += new ESRI.ArcGIS.Controls.IMapControlEvents2_Ax_OnMouseDownEventHandler(this.axMapControl1_OnMouseDown);
      // 
      // axLicenseControl1
      // 
      this.axLicenseControl1.Enabled = true;
      this.axLicenseControl1.Location = new System.Drawing.Point(24, 24);
      this.axLicenseControl1.Name = "axLicenseControl1";
      this.axLicenseControl1.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axLicenseControl1.OcxState")));
      this.axLicenseControl1.Size = new System.Drawing.Size(200, 50);
      this.axLicenseControl1.TabIndex = 8;
      // 
      // Form1
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(592, 366);
      this.Controls.Add(this.axLicenseControl1);
      this.Controls.Add(this.axMapControl1);
      this.Controls.Add(this.CmdFullExtent);
      this.Controls.Add(this.Label2);
      this.Controls.Add(this.Label1);
      this.Name = "Form1";
      this.Text = "MapControl CAD Viewer";
      this.Load += new System.EventHandler(this.Form1_Load);
      ((System.ComponentModel.ISupportInitialize)(this.axMapControl1)).EndInit();
      ((System.ComponentModel.ISupportInitialize)(this.axLicenseControl1)).EndInit();
      this.ResumeLayout(false);

    }
    #endregion

    /// <summary>
    /// The main entry point for the application.
    /// </summary>
    [STAThread]
    static void Main() 
    {
            if (!RuntimeManager.Bind(ProductCode.Engine))
            {
                if (!RuntimeManager.Bind(ProductCode.Desktop))
                {
                    MessageBox.Show("Unable to bind to ArcGIS runtime. Application will be shut down.");
                    return;
                }
            }
            Application.Run(new CADView());
    }

    private void Form1_Load(object sender, System.EventArgs e)
    {
      //Set passed file to variable
      string[] arguments = Environment.GetCommandLineArgs();
      if (arguments.Length == 1)
      {
        MessageBox.Show("No filename passed", "CAD Fileviewer");
        this.Close();
        return;
      }

      string workspacePath = System.IO.Path.GetDirectoryName(arguments[1]);
      string fileName = System.IO.Path.GetFileName(arguments[1]);

      //Add passed file to MapControl
      ICadDrawingDataset cadDrawingDataset = GetCadDataset(workspacePath, fileName);
      if (cadDrawingDataset == null) return;
      ICadLayer cadLayer = new CadLayerClass();
      cadLayer.CadDrawingDataset = cadDrawingDataset;
      cadLayer.Name = fileName;
      axMapControl1.AddLayer(cadLayer,0);
    }

    private void CmdFullExtent_Click(object sender, System.EventArgs e)
    {
      //Get the MapContol's full extent and set the current extent to this
      axMapControl1.Extent = axMapControl1.FullExtent;
    }
  
    private ICadDrawingDataset GetCadDataset(string cadWorkspacePath, string cadFileName)
    {
      //Create a WorkspaceName object
      IWorkspaceName workspaceName = new WorkspaceNameClass();
      workspaceName.WorkspaceFactoryProgID = "esriDataSourcesFile.CadWorkspaceFactory";
      workspaceName.PathName = cadWorkspacePath;

      //Create a CadDrawingName object
      IDatasetName cadDatasetName = new CadDrawingNameClass();
      cadDatasetName.Name = cadFileName;
      cadDatasetName.WorkspaceName = workspaceName;

      //Open the CAD drawing
      IName name = (IName) cadDatasetName;
      return (ICadDrawingDataset) name.Open();
    }

    private void axMapControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseDownEvent e)
    {
      //Check which button has been pressed by the user
      if (e.button == 1)
      {
        //Left button - Track a Rectangle and use this to set the MapControl's extent
        axMapControl1.Extent = axMapControl1.TrackRectangle();
      }
      else
      {
        //Left or middle button - Pan
        axMapControl1.Pan();
      }
    }

  }
}