using System.Windows;
using ESRI.ArcGIS.Client;
using ESRI.ArcGIS.Client.Local;
using System.IO;
using System.Reflection;
using System;
using Microsoft.Win32;
using System.Windows.Controls;
using System.Collections.Generic;
using ESRI.ArcGIS.Client.Symbols;
using ESRI.ArcGIS.Client.Toolkit;
namespace ArcGISWPFSDK
{
/// <summary>
/// Interaction logic for DynamicLayersDataSource.xaml
/// </summary>
public partial class DynamicLayersDataSource : UserControl
{
// Get the path of the "empty" MPK from the application folder
string _emptyMpkPath = @"..\Data\DynamicLayers\EmptyMPK_WGS84.mpk";
public DynamicLayersDataSource()
{
InitializeComponent();
}
/// <summary>
/// Handles the Click event of the AddShapefileButton control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
private void AddShapefileButton_Click(object sender, RoutedEventArgs e)
{
// Setup the OpenFiledialog.
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Shapefiles (*.shp)|*.shp";
openFileDialog.RestoreDirectory = true;
openFileDialog.Multiselect = true;
if (openFileDialog.ShowDialog() == true)
{
try
{
List<string> fileNames = new List<string>();
foreach (var item in openFileDialog.SafeFileNames)
{
fileNames.Add(Path.GetFileNameWithoutExtension(item));
}
// Call the add dataset method with workspace type, parent directory path, file names (without extensions) and delegate.
AddFileDatasetToDynamicMapServiceLayer(WorkspaceFactoryType.Shapefile,
Path.GetDirectoryName(openFileDialog.FileName),
fileNames,
arcGisLocalDynamicMapServiceLayer =>
{
// Add the dynamic map service layer to the map.
_map.Layers.Add(arcGisLocalDynamicMapServiceLayer);
});
}
catch (Exception ex)
{
MessageBox.Show("Error: Could not read file from disk. Original error: " + ex.Message);
}
}
}
/// <summary>
/// Handles the Click event of the AddRasterButton control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
private void AddRasterButton_Click(object sender, RoutedEventArgs e)
{
// Setup the OpenFiledialog.
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Image files (*.bmp,*.png,*.sid,*.tif)|*.bmp;*.png;*.sid;*.tif;";
openFileDialog.RestoreDirectory = true;
openFileDialog.Multiselect = true;
if (openFileDialog.ShowDialog() == true)
{
try
{
// Call the add dataset method with workspace type, parent directory path, actual file names and delegate.
AddFileDatasetToDynamicMapServiceLayer(WorkspaceFactoryType.Raster,
Path.GetDirectoryName(openFileDialog.FileName),
new List<string>(openFileDialog.SafeFileNames),
arcGisLocalDynamicMapServiceLayer =>
{
// Add the dynamic map service layer to the map.
_map.Layers.Add(arcGisLocalDynamicMapServiceLayer);
});
}
catch (Exception ex)
{
MessageBox.Show("Error: Could not read file from disk. Original error: " + ex.Message);
}
}
}
/// <summary>
/// Adds a file dataset (Shapefile or raster) to a new local dynamic map service layer.
/// </summary>
/// <param name="workspaceType">The workspace type (FileGDB, Raster, SDE, Shapefile) <see cref="http://resources.arcgis.com/en/help/runtime-wpf/apiref/index.html?ESRI.ArcGIS.Client.Local~ESRI.ArcGIS.Client.Local.WorkspaceFactoryType.html"/>.</param>
/// <param name="directoryPath">A <see cref="System.String"/> representing the directory path.</param>
/// <param name="fileNames">A <see cref="System.Collections.Generic.List{System.String}"/> representing the name of the file (for raster datasets this must include the extension).</param>
/// <param name="callback">The Action delegate to call back on once the dynamic layer work is complete.</param>
public void AddFileDatasetToDynamicMapServiceLayer(WorkspaceFactoryType workspaceType, string directoryPath, List<string> fileNames, Action<ArcGISLocalDynamicMapServiceLayer> callback)
{
try
{
// Generate a unique workspace ID (any unique string).
string uniqueId = Guid.NewGuid().ToString();
// Create a new WorkspaceInfo object with a unique ID.
WorkspaceInfo workspaceInfo = new WorkspaceInfo(uniqueId, workspaceType, "DATABASE=" + directoryPath);
// Create a new LocalMapService instance.
LocalMapService localMapService = new LocalMapService
{
// Set the path property.
Path = _emptyMpkPath,
// Enable the dynamic layers capability.
EnableDynamicLayers = true
};
// Register the workspace to be used with this service.
localMapService.DynamicWorkspaces.Add(workspaceInfo);
// Asynchronously start the local map service.
localMapService.StartAsync(x =>
{
// Create the local dynamic map service layer.
ArcGISLocalDynamicMapServiceLayer arcGisLocalDynamicMapServiceLayer = null;
// Create a new ArcGISLocalDynamicMapServiceLayer passing in the newly started local service.
arcGisLocalDynamicMapServiceLayer = new ArcGISLocalDynamicMapServiceLayer(localMapService)
{
// Assign the filename as the map layer ID.
ID = "Workspace: " + (new DirectoryInfo(directoryPath)).Name,
// Enable the dynamic layers capability.
EnableDynamicLayers = true,
};
// Handle the layer initialized event inline to perform the layer dynamic layer management.
arcGisLocalDynamicMapServiceLayer.Initialized += (s, e) =>
{
// Create a DynamicLayerInfoCollection to hold the new datasets as "dynamic layers".
DynamicLayerInfoCollection dynamicLayerInfoCollection = new DynamicLayerInfoCollection();
// Create a LayerDrawingOptionsCollection to specify the symbology for each layer.
LayerDrawingOptionsCollection layerDrawingOptionsCollection = new LayerDrawingOptionsCollection();
// Iterate over each of the selected files in the workspace.
int counter = 0;
foreach (string fileName in fileNames)
{
// Create a new DynamicLayerInfo (to make changes to existing map service layers use the CreateDynamicLayerInfosFromLayerInfos() method.
DynamicLayerInfo dynamicLayerInfo = new DynamicLayerInfo
{
// Assign a layer ID.
ID = counter,
// Specify a friendly name.
Name = "Dataset: " + fileName
};
// Create a DataSource object to represent the physical datasource implementation (table or raster) which will become the DataSource
// property of a new LayerDataSource in the map service. Other supported datasource types are JoinDataSource and QueryDataSource.
DataSource dataSource = null;
// If the workspace type is Raster create a new RasterDataSource.
if (workspaceInfo.FactoryType == WorkspaceFactoryType.Raster)
{
// Create a new RasterDataSource object
dataSource = new RasterDataSource
{
// Match the DataSourceName to the physical filename on disk (including extension).
DataSourceName = fileName,
// Provide the WorkspaceID (the unique workspace identifier created earlier). A LocalMapService may have multiple dynamic workspaces.
WorkspaceID = workspaceInfo.Id
};
}
else
{
// Else if the workspace is not Raster create a new TableDataSource
dataSource = new TableDataSource
{
// Match the DataSourceName to the physical filename on disk (excluding extension).
DataSourceName = fileName,
// Provide the WorkspaceID (the unique workspace identifier created earlier). A LocalMapService may have multiple dynamic workspaces.
WorkspaceID = workspaceInfo.Id
};
/*
* Apply a renderer for vector layers.
* Note: It is always necessary to provide a renderer when the layer being added (represented by a DynamicLayerInfo) is part of a new
* DynamicLayerInfoCollection as opposed to using the CreateDynamicLayerInfosFromLayerInfos() method which creates a DynamicLayerInfoCollection
* containing the existing layers in the map service. However, the renderer provided does not need to be valid with regard to the actual
* layer and geometry type, it simply needs to be a valid renderer. If the renderer specified here is not appropriate for the geometry type of
* the layer the symbology will fall back to a default SimpleMarkerSymbol, SimpleLineSymbol or SimpleFillSymbol.
*/
// Create a new LayerDrawingOptions object to hold the renderer information.
var layerDrawOpt = new LayerDrawingOptions()
{
// Match up the LayerID to the ID of the layer within the service.
LayerID = counter,
// Provide a renderer. In this example it is an empty SimpleMarkerSymbol.
Renderer = new SimpleRenderer() { Symbol = new SimpleMarkerSymbol() { } },
};
// Set the LayerDrawingOptions property on the local dynamic map service layer (the LayerID property ties this to the DynamicLayerInfo object).
layerDrawingOptionsCollection.Add(layerDrawOpt);
}
// Set the Source property of the DynamicLayerInfo object.
dynamicLayerInfo.Source = new LayerDataSource { DataSource = dataSource };
// Add the new DynamicLayerInfo object to the collection.
dynamicLayerInfoCollection.Add(dynamicLayerInfo);
// Increment the counter which is being used to assign Layer IDs.
counter++;
}
// Update the DynamicLayerInfos property on the dynamic map service layer.
arcGisLocalDynamicMapServiceLayer.DynamicLayerInfos = dynamicLayerInfoCollection;
// Update the layer drawing options property on the dynamic map service layer.
arcGisLocalDynamicMapServiceLayer.LayerDrawingOptions = layerDrawingOptionsCollection;
// Refresh the layer.
arcGisLocalDynamicMapServiceLayer.Refresh();
// Call the Action delegate.
callback(arcGisLocalDynamicMapServiceLayer);
};
// Call the Initialize method on the layer to initialize the layer properties.
arcGisLocalDynamicMapServiceLayer.Initialize();
});
}
catch (Exception ex)
{
MessageBox.Show(ex.Message,"Error",MessageBoxButton.OK,MessageBoxImage.Error);
}
}
private void Legend_Refreshed(object sender, Legend.RefreshedEventArgs e)
{
// Clear the sub items from the basemap layer.
if (e.LayerItem.Layer == _worldTopographicBasemap)
e.LayerItem.LayerItems.Clear();
}
}
}
