Common_CustomEditorTask_CSharp\CustomEditorTaskWebApp_CSharp\StandardEditorTaskPage.aspx.cs
// Copyright 2010 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. // public partial class StandardEditorTaskPage : System.Web.UI.Page { #region ASP.NET Page Life Cycle Event Handlers protected void Page_Load(object sender, System.EventArgs e) { if (!this.Page.IsPostBack) { EditorTask1.EditorPanelsCreated += new ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanelsCreatedEventHandler(EditorTask1_EditorPanelsCreated); EditorTask1.ToolsCreated += new ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.ToolsCreatedEventHandler(EditorTask1_ToolsCreated); EditorTask1.PreAttributeEdit += new ESRI.ArcGIS.ADF.ArcGISServer.Editor.PreAttributeEditEventHandler(EditorTask1_PreAttributeEdit); EditorTask1.PostAttributeEdit += new ESRI.ArcGIS.ADF.ArcGISServer.Editor.PostAttributeEditEventHandler(EditorTask1_PostAttributeEdit); EditorTask1.PreCommandExecute += new ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.PreCommandExecuteEventHandler(EditorTask1_PreCommandExecute); // Uncomment following if required to set attribute filtering parameters for the EditorTask during the // Page Load event of the initial request. // FilterAttributes(); } } protected void Page_PreRender(object sender, System.EventArgs e) { if (!this.Page.IsPostBack) { // Determine whether the MapResourceManager has non-pooled resources and store in session Session["HasNonPooledResources"] = HasNonPooledResources(); } } #endregion #region Web ADF EditorTask Event Handlers void EditorTask1_PreCommandExecute(object sender, ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.PreCommandExecuteEventArgs preCommandExecuteEventArgs) { // Cancel the DeleteFeature command if the active edit layer is AddressPoints string commandName = preCommandExecuteEventArgs.ServerAction.ToolbarItemInfo.Name; string datasetName = preCommandExecuteEventArgs.ServerAction.DataSet.Name; //if (commandName.Equals("DeleteFeature") && datasetName.Equals("EditParcels.DBO.AddressPoints")) if (commandName.Equals("DeleteFeature") && datasetName.Equals("Montgomery.DBO.Parcels")) { preCommandExecuteEventArgs.Cancel = true; preCommandExecuteEventArgs.ReturnMessage = "Cannot delete features in " + datasetName; } } void EditorTask1_PreAttributeEdit(object sender, ESRI.ArcGIS.ADF.ArcGISServer.Editor.PreAttributeEditEventArgs preAttributeEditEventArgs) { // If the an attribute is edited, check the fields of the feature being edited // for a field named "UPDATEDBY". If present, and the current user is authenticated, // set the value of the field to the user name. int fieldIndex = preAttributeEditEventArgs.Feature.Table.FindField("UPDATEDBY"); if (fieldIndex > -1) { string authenticatedUserName = Context.User.Identity.Name; if (!string.IsNullOrEmpty(authenticatedUserName)) preAttributeEditEventArgs.Feature.set_Value(fieldIndex, authenticatedUserName); } } void EditorTask1_PostAttributeEdit(object sender, ESRI.ArcGIS.ADF.ArcGISServer.Editor.PostAttributeEditEventArgs postAttributeEditEventArgs) { // If an attribute edit is unsuccessful, return exception message in a browser alert dialog. if (!postAttributeEditEventArgs.Successful) postAttributeEditEventArgs.ReturnMessage = postAttributeEditEventArgs.Exception.Message; } void EditorTask1_EditorPanelsCreated(object sender, ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanelsCreatedEventArgs editorPanelsCreatedEventArgs) { // Create instance of new Editor Panel that contains a CreateFeature tool CustomCreateFeaturePanel newCreateFeaturePanel = new CustomCreateFeaturePanel(EditorTask1); // Insert at the beginning (top) of the panels collection in the Editor editorPanelsCreatedEventArgs.EditorPanels.Insert(0, newCreateFeaturePanel); // If using the out-of-the-box EditorTask and CreateFeature tool, // the exiting CreateFeaturePanel cannot be removed. The CreateFeature tool // uses the FeatureLabel property on the CreateFeaturePanel returned from Editor.NewFeatureCreator. //e.EditorPanels.Remove(editorPanel); ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel editorPanel = newCreateFeaturePanel.ParentEditor.NewFeatureCreator; editorPanel.Visible = false; } void EditorTask1_ToolsCreated(object sender, ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.ToolsCreatedEventArgs toolsCreatedEventArgs) { if (toolsCreatedEventArgs.Parent == EditorTask1.Editor.ExistingFeatureEditor) { // The out-of-the-box EditExistingFeaturePanel contains two toolbars: GeometryToolbar1 and GeometryToolbar2 foreach (ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.EditorToolbar editorToolbar in toolsCreatedEventArgs.Toolbars) { if (editorToolbar.ID == "GeometryToolbar1") { // Add custom Clip tool to the GeometryToolbar1 toolbar in the EditExistingFeaturePanel ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.EditorTool clipEditorTool = new ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.EditorTool("Clip", ((ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditExistingFeaturePanel)toolsCreatedEventArgs.Parent).ParentEditor.MapID, false, ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.ToolGeometry.Line | ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.ToolGeometry.Polygon, 1); clipEditorTool.ClientAction = ESRI.ArcGIS.ADF.Web.UI.WebControls.Constants.HTML_DRAG_RECTANGLE; clipEditorTool.DefaultImage = "~/images/clip.png"; clipEditorTool.SelectedImage = "~/images/clip_ON.png"; clipEditorTool.HoverImage = "~/images/clip_OVER.png"; clipEditorTool.ToolTip = "Clip feature(s)"; clipEditorTool.ServerActionAssembly = "App_Code"; clipEditorTool.ServerActionClass = "CustomEditorTools.ClipFeatures"; editorToolbar.ToolbarItems.Add(clipEditorTool); // Resize the toolbar to accommodate the new tool. editorToolbar.Width = new System.Web.UI.WebControls.Unit( editorToolbar.Width.Value + 35, System.Web.UI.WebControls.UnitType.Pixel); } } // Add a new EditorToolbar to the EditExistingFeaturesPanel. The EditorToolbar will // automatically set the toolbar group to other EditorToolbars in the Editor. ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.EditorToolbar newEditorToolbar = new ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.EditorToolbar(); newEditorToolbar.ToolbarStyle = ESRI.ArcGIS.ADF.Web.UI.WebControls.ToolbarStyle.ImageOnly; newEditorToolbar.ID = "MyCustomToolbar"; newEditorToolbar.BuddyControlType = ESRI.ArcGIS.ADF.Web.UI.WebControls.BuddyControlType.Map; newEditorToolbar.BuddyControls.Add(new ESRI.ArcGIS.ADF.Web.UI.WebControls.BuddyControl( ((ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditExistingFeaturePanel)toolsCreatedEventArgs.Parent).ParentEditor.MapID)); ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.EditorCommand verticeCountEditorCommand = new ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.EditorCommand("VerticeCount", ESRI.ArcGIS.ADF.ArcGISServer.Editor.Tools.ToolGeometry.All, 1); verticeCountEditorCommand.DefaultImage = "~/images/verticecount.png"; verticeCountEditorCommand.SelectedImage = "~/images/verticecount_ON.png"; verticeCountEditorCommand.HoverImage = "~/images/verticecount_OVER.png"; verticeCountEditorCommand.ToolTip = "Count the number of vertices in the selected feature"; verticeCountEditorCommand.ServerActionAssembly = "App_Code"; verticeCountEditorCommand.ServerActionClass = "CustomEditorTools.VerticeCount"; newEditorToolbar.ToolbarItems.Add(verticeCountEditorCommand); // If Width is 0, JavaScript error Toolbars[..] is null newEditorToolbar.Width = new System.Web.UI.WebControls.Unit(newEditorToolbar.ToolbarItems.Count * 35, System.Web.UI.WebControls.UnitType.Pixel); toolsCreatedEventArgs.Toolbars.Add(newEditorToolbar); } } #endregion #region Instance Methods private void FilterAttributes() { // Get the ArcGIS Server Local MapFunctionality associated with the EditorTask ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.MapFunctionality agsLocalMapFunctionality = EditorTask1.Editor.MapFunctionality; string[] layerIDs = null; string[] layerNames = null; agsLocalMapFunctionality.GetLayers(out layerIDs, out layerNames); // Iterate through feature layers in the MapFunction (map resource) and set // attribute display parameters when editing attributes in the EditAttributesPanel. for (int i = 0; i < layerIDs.Length; i++) { string layerName = layerNames[i]; int layerID = System.Int32.Parse(layerIDs[i]); if (layerName == "Parcels") { ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayInfo attributeDisplayInfo = new ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayInfo(layerID, ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayMode.ReadOnly); attributeDisplayInfo.Overrides.Add( new ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayOverride("Parcel_ID", ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayMode.Editable)); EditorTask1.AttributeDisplay.AttributeDisplayInfos.Add(attributeDisplayInfo); } else if (layerName == "Road centerline") { ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayInfo attributeDisplayInfo = new ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayInfo(layerID, ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayMode.Editable); attributeDisplayInfo.Overrides.Add( new ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayOverride("NAME", ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayMode.ReadOnly)); EditorTask1.AttributeDisplay.AttributeDisplayInfos.Add(attributeDisplayInfo); } else if (layerName == "Blocks") { ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayInfo attributeDisplayInfo = new ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayInfo(layerID, ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayMode.Hidden); attributeDisplayInfo.Overrides.Add( new ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayOverride("Block", ESRI.ArcGIS.ADF.ArcGISServer.Editor.AttributeDisplayMode.Editable)); EditorTask1.AttributeDisplay.AttributeDisplayInfos.Add(attributeDisplayInfo); } } } private void ReleaseContext() { // Loop through session variables and release any that are server contexts ESRI.ArcGIS.Server.IServerContext serverContext; for (int i = 0; i < Session.Count; i++) { // Attempt to get a reference to the current session variable as a server context serverContext = Session[i] as ESRI.ArcGIS.Server.IServerContext; if (serverContext != null) { // If the current session variable is a server context, release it. serverContext.RemoveAll(); serverContext.ReleaseContext(); } } // Clear session variables. This will force creation of a new session if the user returns // to the page. Otherwise, session variables may still be present and will cause errors. Session.RemoveAll(); // Loop through the map resources referred to by MapResourceManager1 and explicitly dispose // any that are ArcGIS local map resources ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.MapResourceLocal mapResourceLocal; foreach (ESRI.ArcGIS.ADF.Web.UI.WebControls.MapResourceItem mapResourceItem in MapResourceManager1.ResourceItems) { mapResourceLocal = mapResourceItem.Resource as ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.MapResourceLocal; if (mapResourceLocal != null) mapResourceLocal.Dispose(); } } private bool HasNonPooledResources() { // Define a boolean and set it to false by default, indicating no non-pooled resources bool hasNonPooledResource = false; // Now go through all resources and find any non-pooled local resources ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.MapResourceLocal mapResourceLocal = null; ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.GISDataSourceLocal gisDataSourceLocal = null; // First, check the map resourceItems foreach (ESRI.ArcGIS.ADF.Web.UI.WebControls.MapResourceItem mapResourceItem in MapResourceManager1.ResourceItems) { if (mapResourceItem != null) { // Get the local ArcGIS Server map resource underlying the current resource item mapResourceLocal = mapResourceItem.Resource as ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.MapResourceLocal; if (mapResourceLocal != null) { if (!MapResourceManager1.IsInitialized(mapResourceItem)) MapResourceManager1.Initialize(mapResourceItem); // Get the local ArcGIS Server GIS data source from the local map resource gisDataSourceLocal = mapResourceLocal.DataSource as ESRI.ArcGIS.ADF.Web.DataSources.ArcGISServer.GISDataSourceLocal; // If the server object is not pooled, set the has non-pooled resource boolean to true if (!gisDataSourceLocal.Connection.IsServerObjectPooled( mapResourceLocal.ServerContextInfo.ServerObjectName, "MapServer")) hasNonPooledResource = true; } } } return hasNonPooledResource; } #endregion protected void PostbackManager1_RequestReceived(object sender, PostbackManager_CSharp.AdfRequestEventArgs args) { // Parse the request arguments System.Collections.Specialized.NameValueCollection requestArgs = ESRI.ArcGIS.ADF.Web.UI.WebControls.CallbackUtility.ParseStringIntoNameValueCollection(args.RequestArguments); // Check the event argument and draw or clear graphics accordingly switch (requestArgs["EventArg"]) { case "Dispose": if ((bool)Session["HasNonPooledResources"]) ReleaseContext(); break; } } }