// 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.Drawing;
using System.Runtime.InteropServices;
using ESRI.ArcGIS.ADF.BaseClasses;
using ESRI.ArcGIS.ADF.CATIDs;
using ESRI.ArcGIS.Framework;
using ESRI.ArcGIS.ArcMapUI;
using ESRI.ArcGIS.Carto;

namespace CustomMenus
{
    /// <summary>
    /// Summary description for AddShapefile.
    /// </summary>
    [Guid("6f8f48fe-bfbc-4b2a-b1e7-25eced548743")]
    [ClassInterface(ClassInterfaceType.None)]
    [ProgId("CustomMenus.AddShapefile")]
    public sealed class AddShapefile : BaseCommand
    {
        #region COM Registration Function(s)
        [ComRegisterFunction()]
        [ComVisible(false)]
        static void RegisterFunction(Type registerType)
        {
            // Required for ArcGIS Component Category Registrar support
            ArcGISCategoryRegistration(registerType);
        }

        [ComUnregisterFunction()]
        [ComVisible(false)]
        static void UnregisterFunction(Type registerType)
        {
            // Required for ArcGIS Component Category Registrar support
            ArcGISCategoryUnregistration(registerType);
        }

        #region ArcGIS Component Category Registrar generated code
        /// <summary>
        /// Required method for ArcGIS Component Category registration -
        /// Do not modify the contents of this method with the code editor.
        /// </summary>
        private static void ArcGISCategoryRegistration(Type registerType)
        {
            string regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{{{0}}}", registerType.GUID);
            MxCommands.Register(regKey);

        }
        /// <summary>
        /// Required method for ArcGIS Component Category unregistration -
        /// Do not modify the contents of this method with the code editor.
        /// </summary>
        private static void ArcGISCategoryUnregistration(Type registerType)
        {
            string regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{{{0}}}", registerType.GUID);
            MxCommands.Unregister(regKey);

        }

        #endregion
        #endregion

        private IApplication m_application;

        public AddShapefile()
        {
            base.m_category = "Developer Samples";
            base.m_caption = "Add Shapefile";
            base.m_message = "Adds a shapefile to the focus map";
            base.m_toolTip = "Adds a shapefile";
            base.m_name = "CustomMenus_AddShapefile";

            try
            {
                string bitmapResourceName = GetType().Name + ".bmp";
                base.m_bitmap = new Bitmap(GetType(), bitmapResourceName);
            }
            catch (Exception ex)
            {
                System.Diagnostics.Trace.WriteLine(ex.Message, "Invalid Bitmap");
            }
        }

        #region Overriden Class Methods

        /// <summary>
        /// Occurs when this command is created
        /// </summary>
        /// <param name="hook">Instance of the application</param>
        public override void OnCreate(object hook)
        {
            if (hook == null)
                return;

            m_application = hook as IApplication;

            //Disable if it is not ArcMap
            if (hook is IMxApplication)
                base.m_enabled = true;
            else
                base.m_enabled = false;
        }

        /// <summary>
        /// Occurs when this command is clicked
        /// </summary>
        public override void OnClick()
        {
            IMxDocument mxDocument = m_application.Document as IMxDocument;
            AddShapefileUsingOpenFileDialog(mxDocument.ActiveView);
        }

        #endregion

        //#### ArcGIS Snippets ####
        
        #region "Add Shapefile Using OpenFileDialog"

        ///<summary>Add a shapefile to the ActiveView using the Windows.Forms.OpenFileDialog control.</summary>
        ///
        ///<param name="activeView">An IActiveView interface</param>
        /// 
        ///<remarks></remarks>
        public void AddShapefileUsingOpenFileDialog(ESRI.ArcGIS.Carto.IActiveView activeView)
        {
          //parameter check
          if (activeView == null)
          {
            return;
          }

          // Use the OpenFileDialog Class to choose which shapefile to load.
          System.Windows.Forms.OpenFileDialog openFileDialog = new System.Windows.Forms.OpenFileDialog();
          openFileDialog.InitialDirectory = "c:\\";
          openFileDialog.Filter = "Shapefiles (*.shp)|*.shp";
          openFileDialog.FilterIndex = 2;
          openFileDialog.RestoreDirectory = true;
          openFileDialog.Multiselect = false;


          if (openFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
          {
            // The user chose a particular shapefile.

            // The returned string will be the full path, filename and file-extension for the chosen shapefile. Example: "C:\test\cities.shp"
            string shapefileLocation = openFileDialog.FileName;

            if (shapefileLocation != "")
            {
              // Ensure the user chooses a shapefile

              // Create a new ShapefileWorkspaceFactory CoClass to create a new workspace
              ESRI.ArcGIS.Geodatabase.IWorkspaceFactory workspaceFactory = new ESRI.ArcGIS.DataSourcesFile.ShapefileWorkspaceFactoryClass();

              // System.IO.Path.GetDirectoryName(shapefileLocation) returns the directory part of the string. Example: "C:\test\"
              ESRI.ArcGIS.Geodatabase.IFeatureWorkspace featureWorkspace = (ESRI.ArcGIS.Geodatabase.IFeatureWorkspace)workspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(shapefileLocation), 0); // Explicit Cast

              // System.IO.Path.GetFileNameWithoutExtension(shapefileLocation) returns the base filename (without extension). Example: "cities"
              ESRI.ArcGIS.Geodatabase.IFeatureClass featureClass = featureWorkspace.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(shapefileLocation));

              ESRI.ArcGIS.Carto.IFeatureLayer featureLayer = new ESRI.ArcGIS.Carto.FeatureLayerClass();
              featureLayer.FeatureClass = featureClass;
              featureLayer.Name = featureClass.AliasName;
              featureLayer.Visible = true;
              activeView.FocusMap.AddLayer(featureLayer);

              // Zoom the display to the full extent of all layers in the map
              activeView.Extent = activeView.FullExtent;
              activeView.PartialRefresh(ESRI.ArcGIS.Carto.esriViewDrawPhase.esriViewGeography, null, null);
            }
            else
            {
              // The user did not choose a shapefile.
              // Do whatever remedial actions as necessary
              // System.Windows.Forms.MessageBox.Show("No shapefile chosen", "No Choice #1",
              //                                     System.Windows.Forms.MessageBoxButtons.OK,
              //                                     System.Windows.Forms.MessageBoxIcon.Exclamation);
            }
          }
          else
          {
            // The user did not choose a shapefile. They clicked Cancel or closed the dialog by the "X" button.
            // Do whatever remedial actions as necessary.
            // System.Windows.Forms.MessageBox.Show("No shapefile chosen", "No Choice #2",
            //                                      System.Windows.Forms.MessageBoxButtons.OK,
            //                                      System.Windows.Forms.MessageBoxIcon.Exclamation);
          }
        }
        #endregion
    }
}