// Copyright 2006 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.Carto;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Analyst3D;
using ESRI.ArcGIS.GlobeCore;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.DataSourcesFile;
using ESRI.ArcGIS.Controls;

namespace RSSWeatherLayer3D
{
  /// <summary>
  /// Summary description for SelectItems.
  /// </summary>
  [ClassInterface(ClassInterfaceType.None)]
  [Guid("620F86DC-22BE-47c1-8808-C908C6F015AC")]
  [ProgId("RSSWeatherLayer3D.SelectItemsTool")]
  [ComVisible(true)]
  public sealed class SelectItemsTool: BaseTool
  {
    #region COM Registration Function(s)
    [ComRegisterFunction()]
    [ComVisible(false)]
    static void RegisterFunction(Type registerType)
    {
      // Required for ArcGIS Component Category Registrar support
      ArcGISCategoryRegistration(registerType);

      //
      // TODO: Add any COM registration code here
      //
    }

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

      //
      // TODO: Add any COM unregistration code here
      //
    }

    #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);
      GMxCommands.Register(regKey);
      ControlsCommands.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);
      GMxCommands.Unregister(regKey);
      ControlsCommands.Unregister(regKey);
    }

    #endregion
    #endregion

    private IGlobeHookHelper          m_globeHookHelper = null;
    private RSSWeatherLayer3DClass    m_weatherLayer    = null;
    private IScene                    m_scene            = null;

    public SelectItemsTool()
    {
      base.m_category = "Weather3D";
      base.m_caption = "Select Weather Items";
      base.m_message = "Select weather items";
      base.m_toolTip = "Select weather items";
      base.m_name = base.m_category + "_" + base.m_caption;

      try
      {
        base.m_bitmap = new System.Drawing.Bitmap(GetType().Assembly.GetManifestResourceStream(GetType(), "Bitmaps.SelectItemsTool.bmp"));
        base.m_cursor = new System.Windows.Forms.Cursor(GetType().Assembly.GetManifestResourceStream(GetType(), "Cursors.SelectItemsTool.cur"));
      }
      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 (null == m_globeHookHelper)
        m_globeHookHelper = new GlobeHookHelperClass();

      m_globeHookHelper.Hook = hook;

      m_scene = m_globeHookHelper.Globe as IScene;
    }

    /// <summary>
    /// Occurs when this command is clicked
    /// </summary>
    public override void OnClick()
    {
      try
      {
        m_weatherLayer = null;
        
        //get the weather layer
        IEnumLayer layers = m_scene.get_Layers(null, false);
        layers.Reset();
        ILayer layer = layers.Next();
        while(layer != null)
        {
          if(layer is RSSWeatherLayer3DClass)
          {
            m_weatherLayer = (RSSWeatherLayer3DClass)layer;
            break;
          }
          layer = layers.Next();
        }
      }
      catch(Exception ex)
      {
        System.Diagnostics.Trace.WriteLine(ex.Message);
      }
    }


    public override void OnMouseDown(int Button, int Shift, int X, int Y)
    {
      if(null == m_weatherLayer)
        return;

      object owner;
      object obj;

      IPoint hitPoint;
      IGlobeDisplay globedisplay = ((IGlobe)m_scene).GlobeDisplay;

      ISceneViewer sceneViewer = globedisplay.ActiveViewer;
      globedisplay.Locate(sceneViewer, X, Y, false, false, out hitPoint, out owner, out obj);

      if(obj != null)
      {
        if(!(obj is IPropertySet))
        {
          return;
        }
        
        IPropertySet propset = obj as IPropertySet;
        
        if(!(owner is RSSWeatherLayer3DClass))
          return;

        if(propset == null)
          return;
        
        //get the zip code
        object o = propset.GetProperty("ZIPCODE");
        long zipcode = Convert.ToInt64(o);
        m_weatherLayer.Select(zipcode, Shift != 1);
      }
      else
      {
        m_weatherLayer.Select(-1L, true);
      }

    }
  
    public override void OnMouseMove(int Button, int Shift, int X, int Y)
    {
      // TODO:  Add AddWeatherItemTool.OnMouseMove implementation
    }
  
    public override void OnMouseUp(int Button, int Shift, int X, int Y)
    {
      // TODO:  Add AddWeatherItemTool.OnMouseUp implementation
    }
    #endregion
  }
}