AddWeatherItemTool.cs
// 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 Microsoft.Win32; using ESRI.ArcGIS.ADF.BaseClasses; using ESRI.ArcGIS.ADF.CATIDs; using ESRI.ArcGIS.Controls; using ESRI.ArcGIS.Carto; using ESRI.ArcGIS.Display; using ESRI.ArcGIS.Geometry; using ESRI.ArcGIS.Geodatabase; using ESRI.ArcGIS.DataSourcesFile; namespace RSSWeatherLayer { /// <summary> /// Summary description for AddWeatherItemTool. /// </summary> [ClassInterface(ClassInterfaceType.None)] [Guid("D74A98E8-2CAA-4068-AA3D-C4DFA25BD5BE")] [ProgId("RSSWeatherLayer.AddWeatherItemTool")] [ComVisible(true)] public sealed class AddWeatherItemTool: 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); MxCommands.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); MxCommands.Unregister(regKey); ControlsCommands.Unregister(regKey); } #endregion #endregion private IHookHelper m_hookHelper = null; private RSSWeatherLayerClass m_weatherLayer = null; private IFeatureClass m_featureClass = null; private ISpatialReference m_spatialRefWGS84 = null; public AddWeatherItemTool() { base.m_category = "Weather"; base.m_caption = "Add Weather Item"; base.m_message = "Add Weather item"; base.m_toolTip = "Add Weather item"; base.m_name = base.m_category + "_" + base.m_caption; try { base.m_bitmap = new System.Drawing.Bitmap(GetType().Assembly.GetManifestResourceStream(GetType(), "AddWeatherItemTool.bmp")); base.m_cursor = new System.Windows.Forms.Cursor(GetType().Assembly.GetManifestResourceStream(GetType(), "AddWeatherItemTool.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) { //Instantiate the hook helper if (m_hookHelper == null) m_hookHelper = new HookHelperClass(); //set the hook m_hookHelper.Hook = hook; //connect to the ZipCodes featureclass //get the ArcGIS path from the registry RegistryKey key = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\ESRI\ArcObjectsSdk10.1"); string path = Convert.ToString(key.GetValue("InstallDir")); path = System.IO.Path.Combine(path, @"Samples\Data\USZipCodeData\"); IWorkspaceFactory wf = new ShapefileWorkspaceFactoryClass() as IWorkspaceFactory; IWorkspace ws = wf.OpenFromFile(path, 0); IFeatureWorkspace fw = ws as IFeatureWorkspace; m_featureClass = fw.OpenFeatureClass("US_ZipCodes"); m_spatialRefWGS84 = CreateGeoCoordSys(); } /// <summary> /// Occurs when this command is clicked /// </summary> public override void OnClick() { try { if (0 == m_hookHelper.FocusMap.LayerCount) return; //get the weather layer IEnumLayer layers = m_hookHelper.FocusMap.get_Layers(null, false); layers.Reset(); ILayer layer = layers.Next(); while(layer != null) { if(layer is RSSWeatherLayerClass) { m_weatherLayer = (RSSWeatherLayerClass)layer; break; } layer = layers.Next(); } } catch(Exception ex) { System.Diagnostics.Trace.WriteLine(ex.Message); } } /// <summary> /// Occurs when the user click inside the globe /// </summary> /// <param name="Button"></param> /// <param name="Shift"></param> /// <param name="X"></param> /// <param name="Y"></param> public override void OnMouseDown(int Button, int Shift, int X, int Y) { //make sure that the weatherlayer and the featureclass exists if ((null == m_weatherLayer) || (null == m_featureClass)) return; //get the current point (convert the mouse coordinate into geographics coordinate) IActiveView activeView = m_hookHelper.ActiveView; IDisplayTransformation displayTrans = activeView.ScreenDisplay.DisplayTransformation; IPoint point = displayTrans.ToMapPoint(X, Y); point.SpatialReference = m_hookHelper.FocusMap.SpatialReference; //project the point to WGS1984 CoordSys if (null != point.SpatialReference) { if (point.SpatialReference.FactoryCode != m_spatialRefWGS84.FactoryCode) point.Project(m_spatialRefWGS84); } //create the spatial filter in order to select the relevant zipCode ISpatialFilter spatialFilter = new SpatialFilterClass(); spatialFilter.Geometry = point as IGeometry; spatialFilter.GeometryField = m_featureClass.ShapeFieldName; //The spatial filter supposed to filter all the polygons containing the point spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelWithin; //query the featureclass for the containing features IFeatureCursor featureCursor = m_featureClass.Search(spatialFilter, true); IFeature feature = featureCursor.NextFeature(); if(null == feature) return; //get the zip code from the containing feature long zipCode = Convert.ToInt64(feature.get_Value(feature.Fields.FindField("ZIP"))); //add the weather item to the layer m_weatherLayer.AddItem(zipCode, point.Y, point.X); //refresh the map activeView.PartialRefresh(esriViewDrawPhase.esriViewGeography, m_weatherLayer, displayTrans.FittedBounds); activeView.ScreenDisplay.UpdateWindow(); //release the featurecursor Marshal.ReleaseComObject(featureCursor); } /// <summary> /// Occurs when the user move the mouse /// </summary> /// <param name="Button"></param> /// <param name="Shift"></param> /// <param name="X"></param> /// <param name="Y"></param> public override void OnMouseMove(int Button, int Shift, int X, int Y) { // TODO: Add AddWeatherItemTool.OnMouseMove implementation } /// <summary> /// Occurs when then user release the mouse button /// </summary> /// <param name="Button"></param> /// <param name="Shift"></param> /// <param name="X"></param> /// <param name="Y"></param> public override void OnMouseUp(int Button, int Shift, int X, int Y) { // TODO: Add AddWeatherItemTool.OnMouseUp implementation } #endregion private ISpatialReference CreateGeoCoordSys() { ISpatialReferenceFactory2 spatialRefFactory = new SpatialReferenceEnvironmentClass(); IGeographicCoordinateSystem wgs84GeoCoordSys = spatialRefFactory.CreateGeographicCoordinateSystem((int)esriSRGeoCSType.esriSRGeoCS_WGS1984); return (ISpatialReference)wgs84GeoCoordSys; } } }