private async void DamageType_Changed(object sender, SelectionChangedEventArgs e)
{
// Skip if nothing is selected.
if (DamageTypeDropDown.SelectedIndex == -1)
{
return;
}
try
{
// Get the new value.
string selectedAttributeValue = DamageTypeDropDown.SelectedValue.ToString();
// Load the feature.
await _selectedFeature.LoadAsync();
// Update the attribute value.
_selectedFeature.SetAttributeValue(AttributeFieldName, selectedAttributeValue);
// Update the table.
await _selectedFeature.FeatureTable.UpdateFeatureAsync(_selectedFeature);
// Update the service.
ServiceFeatureTable table = (ServiceFeatureTable)_selectedFeature.FeatureTable;
await table.ApplyEditsAsync();
await new MessageDialog($"Edited feature {_selectedFeature.Attributes["objectid"]}", "Success!").ShowAsync();
}
catch (Exception ex)
{
await new MessageDialog(ex.ToString(), "Failed to edit feature.").ShowAsync();
}
finally
{
// Clear the selection.
_damageLayer.ClearSelection();
_selectedFeature = null;
// Update the UI.
DamageTypeDropDown.IsEnabled = false;
DamageTypeDropDown.SelectedIndex = -1;
}
}
private async void DamageType_Changed(object sender, EventArgs e)
{
// Skip if nothing is selected.
if (DamageTypePicker.SelectedIndex == -1)
{
return;
}
try
{
// Get the new value.
string selectedAttributeValue = DamageTypePicker.SelectedItem.ToString();
// Load the feature.
await _selectedFeature.LoadAsync();
// Update the attribute value.
_selectedFeature.SetAttributeValue(AttributeFieldName, selectedAttributeValue);
// Update the table.
await _selectedFeature.FeatureTable.UpdateFeatureAsync(_selectedFeature);
// Update the service.
ServiceFeatureTable table = (ServiceFeatureTable)_selectedFeature.FeatureTable;
await table.ApplyEditsAsync();
await Application.Current.MainPage.DisplayAlert("Success!", $"Edited feature {_selectedFeature.Attributes["objectid"]}", "OK");
}
catch (Exception ex)
{
await Application.Current.MainPage.DisplayAlert("Failed to edit feature", ex.ToString(), "OK");
}
finally
{
// Clear the selection.
_damageLayer.ClearSelection();
_selectedFeature = null;
// Update the UI.
DamageTypePicker.IsEnabled = false;
DamageTypePicker.SelectedIndex = -1;
}
}
private async void SetYTY()
{
await ArcGISFeature.LoadAsync();
IReadOnlyList <Attachment> attachments = await ArcGISFeature.GetAttachmentsAsync();
foreach (Attachment attachment in attachments)
{
if (attachment.Name.Equals(ArcGisService.YTY_FILE_NAME))
{
Stream jsonStream = await attachment.GetDataAsync();
StreamReader streamReader = new StreamReader(jsonStream);
string jsonString = streamReader.ReadToEnd();
Binstance.YTYDatas.Clear();
Binstance.YTYDatas.AddRange((List <YTYData>)JsonConvert.DeserializeObject <IEnumerable <YTYData> >(jsonString));
break;
}
}
}
private async void UpdateDamageType(string selectedAttributeValue)
{
try
{
// Load the feature.
await _selectedFeature.LoadAsync();
if (_selectedFeature.Attributes[AttributeFieldName].ToString() == selectedAttributeValue)
{
throw new Exception("Old and new attribute values are the same.");
}
// Update the attribute value.
_selectedFeature.SetAttributeValue(AttributeFieldName, selectedAttributeValue);
// Update the table.
await _selectedFeature.FeatureTable.UpdateFeatureAsync(_selectedFeature);
// Update the service.
ServiceFeatureTable table = (ServiceFeatureTable)_selectedFeature.FeatureTable;
await table.ApplyEditsAsync();
ShowMessage("Success!", $"Edited feature {_selectedFeature.Attributes["objectid"]}");
}
catch (Exception ex)
{
ShowMessage("Failed to edit feature", ex.Message);
}
finally
{
// Clear the selection.
_damageLayer.ClearSelection();
_selectedFeature = null;
// Dismiss any callout.
_myMapView.DismissCallout();
}
}
private async void MoveSelectedFeature(Esri.ArcGISRuntime.Xamarin.Forms.GeoViewInputEventArgs tapEventDetails)
{
try
{
// Get the MapPoint from the EventArgs for the tap.
MapPoint destinationPoint = tapEventDetails.Location;
// Normalize the point - needed when the tapped location is over the international date line.
destinationPoint = (MapPoint)GeometryEngine.NormalizeCentralMeridian(destinationPoint);
// Load the feature.
await _selectedFeature.LoadAsync();
// Update the geometry of the selected feature.
_selectedFeature.Geometry = destinationPoint;
// Apply the edit to the feature table.
await _selectedFeature.FeatureTable.UpdateFeatureAsync(_selectedFeature);
// Push the update to the service.
ServiceFeatureTable serviceTable = (ServiceFeatureTable)_selectedFeature.FeatureTable;
await serviceTable.ApplyEditsAsync();
await Application.Current.MainPage.DisplayAlert("Success!", $"Moved feature {_selectedFeature.Attributes["objectid"]}", "OK");
}
catch (Exception ex)
{
await Application.Current.MainPage.DisplayAlert("Error when moving feature", ex.ToString(), "OK");
}
finally
{
// Reset the selection.
_damageLayer.ClearSelection();
_selectedFeature = null;
}
}
private async void MoveSelectedFeature(GeoViewInputEventArgs tapEventDetails)
{
try
{
// Get the MapPoint from the EventArgs for the tap.
MapPoint destinationPoint = tapEventDetails.Location;
// Normalize the point - needed when the tapped location is over the international date line.
destinationPoint = (MapPoint)GeometryEngine.NormalizeCentralMeridian(destinationPoint);
// Load the feature.
await _selectedFeature.LoadAsync();
// Update the geometry of the selected feature.
_selectedFeature.Geometry = destinationPoint;
// Apply the edit to the feature table.
await _selectedFeature.FeatureTable.UpdateFeatureAsync(_selectedFeature);
// Push the update to the service.
ServiceFeatureTable serviceTable = (ServiceFeatureTable)_selectedFeature.FeatureTable;
await serviceTable.ApplyEditsAsync();
MessageBox.Show("Moved feature " + _selectedFeature.Attributes["objectid"], "Success!");
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), "Error when moving feature.");
}
finally
{
// Reset the selection.
_damageLayer.ClearSelection();
_selectedFeature = null;
}
}
// Handle a new selected comment record in the table view.
private async void CommentsListBox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
// Clear selected features from the graphics overlay.
_selectedFeaturesOverlay.Graphics.Clear();
// Get the selected comment feature. If there is no selection, return.
ArcGISFeature selectedComment = e.AddedItems[0] as ArcGISFeature;
if (selectedComment == null)
{
return;
}
// Get the map image layer that contains the service request sublayer and the service request comments table.
ArcGISMapImageLayer serviceRequestsMapImageLayer = (ArcGISMapImageLayer)MyMapView.Map.OperationalLayers[0];
// Get the (non-spatial) table that contains the service request comments.
ServiceFeatureTable commentsTable = serviceRequestsMapImageLayer.Tables[0];
// Get the relationship that defines related service request features for features in the comments table (this is the first and only relationship).
RelationshipInfo commentsRelationshipInfo = commentsTable.LayerInfo.RelationshipInfos.FirstOrDefault();
// Create query parameters to get the related service request for features in the comments table.
RelatedQueryParameters relatedQueryParams = new RelatedQueryParameters(commentsRelationshipInfo)
{
ReturnGeometry = true
};
try
{
// Query the comments table to get the related service request feature for the selected comment.
IReadOnlyList <RelatedFeatureQueryResult> relatedRequestsResult = await commentsTable.QueryRelatedFeaturesAsync(selectedComment, relatedQueryParams);
// Get the first result.
RelatedFeatureQueryResult result = relatedRequestsResult.FirstOrDefault();
// Get the first feature from the result. If it's null, warn the user and return.
ArcGISFeature serviceRequestFeature = result.FirstOrDefault() as ArcGISFeature;
if (serviceRequestFeature == null)
{
MessageBox.Show("Related feature not found.", "No Feature");
return;
}
// Load the related service request feature (so its geometry is available).
await serviceRequestFeature.LoadAsync();
// Get the service request geometry (point).
MapPoint serviceRequestPoint = serviceRequestFeature.Geometry as MapPoint;
// Create a cyan marker symbol to display the related feature.
Symbol selectedRequestSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, Color.Cyan, 14);
// Create a graphic using the service request point and marker symbol.
Graphic requestGraphic = new Graphic(serviceRequestPoint, selectedRequestSymbol);
// Add the graphic to the graphics overlay and zoom the map view to its extent.
_selectedFeaturesOverlay.Graphics.Add(requestGraphic);
await MyMapView.SetViewpointCenterAsync(serviceRequestPoint, 150000);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), "Error");
}
}
// When a comment is clicked, get the related feature (service request) and select it on the map.
private async void CommentsListBox_ItemClick(object sender, AdapterView.ItemClickEventArgs e)
{
// Clear selected features from the graphics overlay.
_selectedFeaturesOverlay.Graphics.Clear();
// Get the clicked record (ArcGISFeature) using the list position. If one is not found, return.
ArcGISFeature selectedComment = _commentFeatures[e.Position] as ArcGISFeature;
if (selectedComment == null)
{
return;
}
// Get the map image layer that contains the service request sublayer and the service request comments table.
ArcGISMapImageLayer serviceRequestsMapImageLayer = _myMapView.Map.OperationalLayers[0] as ArcGISMapImageLayer;
// Get the (non-spatial) table that contains the service request comments.
ServiceFeatureTable commentsTable = serviceRequestsMapImageLayer.Tables[0];
// Get the relationship that defines related service request features to features in the comments table (this is the first and only relationship).
RelationshipInfo commentsRelationshipInfo = commentsTable.LayerInfo.RelationshipInfos.FirstOrDefault();
// Create query parameters to get the related service request for features in the comments table.
RelatedQueryParameters relatedQueryParams = new RelatedQueryParameters(commentsRelationshipInfo)
{
ReturnGeometry = true
};
// Query the comments table to get the related service request feature for the selected comment.
IReadOnlyList <RelatedFeatureQueryResult> relatedRequestsResult = await commentsTable.QueryRelatedFeaturesAsync(selectedComment, relatedQueryParams);
// Get the first result.
RelatedFeatureQueryResult result = relatedRequestsResult.FirstOrDefault();
// Get the first feature from the result. If it's null, warn the user and return.
ArcGISFeature serviceRequestFeature = result.FirstOrDefault() as ArcGISFeature;
if (serviceRequestFeature == null)
{
// Report to the user that a related feature was not found, then return.
AlertDialog.Builder alertBuilder = new AlertDialog.Builder(this);
AlertDialog alert = alertBuilder.Create();
alert.SetMessage("Related feature not found.");
alert.Show();
return;
}
// Load the related service request feature (so its geometry is available).
await serviceRequestFeature.LoadAsync();
// Get the service request geometry (point).
MapPoint serviceRequestPoint = serviceRequestFeature.Geometry as MapPoint;
// Create a cyan marker symbol to display the related feature.
Symbol selectedRequestSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, System.Drawing.Color.Cyan, 14);
// Create a graphic using the service request point and marker symbol.
Graphic requestGraphic = new Graphic(serviceRequestPoint, selectedRequestSymbol);
// Add the graphic to the graphics overlay and zoom the map view to its extent.
_selectedFeaturesOverlay.Graphics.Add(requestGraphic);
await _myMapView.SetViewpointCenterAsync(serviceRequestPoint, 150000);
}
private async void MyMapView_GeoViewTapped(object sender, Esri.ArcGISRuntime.Xamarin.Forms.GeoViewInputEventArgs e)
{
// Check if a feature is selected and the service geodatabase is not on the default version.
if (_selectedFeature is ArcGISFeature && _serviceGeodatabase.VersionName != _serviceGeodatabase.DefaultVersionName)
{
try
{
// Load the feature.
await _selectedFeature.LoadAsync();
// Update the feature geometry.
_selectedFeature.Geometry = e.Location;
// Update the table.
await _selectedFeature.FeatureTable.UpdateFeatureAsync(_selectedFeature);
// Update the service.
await((ServiceFeatureTable)_selectedFeature.FeatureTable).ApplyEditsAsync();
ShowAlert("Moved feature " + _selectedFeature.Attributes["objectid"]);
}
catch (Exception ex)
{
ShowAlert(ex.Message, "Failed to edit feature");
}
}
else
{
try
{
// Perform an identify to determine if a user tapped on a feature.
IdentifyLayerResult identifyResult = await MyMapView.IdentifyLayerAsync(_featureLayer, e.Position, 2, false);
// Do nothing if there are no results.
if (!identifyResult.GeoElements.Any())
{
return;
}
// Get the tapped feature.
_selectedFeature = (ArcGISFeature)identifyResult.GeoElements.First();
// Select the feature.
_featureLayer.SelectFeature(_selectedFeature);
// Get the current value.
string currentAttributeValue = _selectedFeature.Attributes[_attributeFieldName].ToString();
// Update the combobox selection without triggering the event.
DamageBox.SelectedItem = currentAttributeValue;
MoveText.IsVisible = DamageBox.IsEnabled = _serviceGeodatabase.VersionName != _serviceGeodatabase.DefaultVersionName;
}
catch (Exception ex)
{
ShowAlert(ex.Message, ex.GetType().Name);
}
finally
{
// Update the UI for the selection.
SwitchView(AttributeView);
}
}
}
private async void MapView_GeoViewTapped(object sender, GeoViewInputEventArgs e)
{
// Check if a feature is selected and the service geodatabase is not on the default version.
if (_selectedFeature is ArcGISFeature && _serviceGeodatabase.VersionName != _serviceGeodatabase.DefaultVersionName)
{
try
{
// Load the feature.
await _selectedFeature.LoadAsync();
// Update the feature geometry.
_selectedFeature.Geometry = e.Location;
// Update the table.
await _selectedFeature.FeatureTable.UpdateFeatureAsync(_selectedFeature);
// Update the service.
await((ServiceFeatureTable)_selectedFeature.FeatureTable).ApplyEditsAsync();
ShowAlert("Moved feature " + _selectedFeature.Attributes["objectid"]);
}
catch (Exception ex)
{
ShowAlert(ex.Message, "Failed to edit feature");
}
}
else
{
try
{
// Clear the selection.
_featureLayer.ClearSelection();
_selectedFeature = null;
// Perform an identify to determine if a user tapped on a feature.
IdentifyLayerResult identifyResult = await _myMapView.IdentifyLayerAsync(_featureLayer, e.Position, 2, false);
// Do nothing if there are no results.
if (!identifyResult.GeoElements.Any())
{
SwitchView(_defaultView);
return;
}
// Get the tapped feature.
_selectedFeature = (ArcGISFeature)identifyResult.GeoElements.First();
// Select the feature.
_featureLayer.SelectFeature(_selectedFeature);
// Get the current value.
string currentAttributeValue = _selectedFeature.Attributes[_attributeFieldName].ToString();
// Update the damage button.
_damageButton.SetTitle($"Damage: {currentAttributeValue}", UIControlState.Normal);
_moveText.Hidden = _serviceGeodatabase.VersionName == _serviceGeodatabase.DefaultVersionName;
_damageButton.Enabled = !_moveText.Hidden;
// Update the UI for the selection.
SwitchView(_damageView);
}
catch (Exception ex)
{
ShowAlert(ex.Message, ex.GetType().Name);
}
}
}
public static async Task <ArcCrudEnum> EditBin(BinViewModel binViewModel)
{
IBinstance bin = binViewModel.Binstance;
ArcGISFeature featureToEdit = binViewModel.ArcGISFeature;
try
{
await featureToEdit.LoadAsync();
featureToEdit.Attributes["identifier"] = bin.Identifier;
featureToEdit.Attributes["modified_by"] = binViewModel.EmpoyeeNumber;
switch (bin.BinType)
{
case BinTypeEnum.RoundStorage:
featureToEdit.Attributes["bin_type"] = "round_storage";
break;
case BinTypeEnum.GravityWagon:
featureToEdit.Attributes["bin_type"] = "gravity_wagon";
break;
case BinTypeEnum.PolygonStructure:
featureToEdit.Attributes["bin_type"] = "polygon_structure";
break;
case BinTypeEnum.FlatStructure:
featureToEdit.Attributes["bin_type"] = "flat_structure";
break;
}
featureToEdit.Attributes["year_collected"] = bin.YearCollected;
if (bin.IsLeased.HasValue)
{
featureToEdit.Attributes["owned_or_leased"] = bin.IsLeased.Value ? "leased" : "owned";
}
if (bin.HasDryingDevice.HasValue)
{
featureToEdit.Attributes["drying_device"] = bin.HasDryingDevice.Value ? "true" : "false";
}
if (bin.HasGrainHeightIndicator.HasValue)
{
featureToEdit.Attributes["bin_level_indicator_device"] = bin.HasGrainHeightIndicator.Value ? "true" : "false";
}
switch (bin.LadderType)
{
case Ladder.None:
featureToEdit.Attributes["ladder_type"] = "none";
break;
case Ladder.Ladder:
featureToEdit.Attributes["ladder_type"] = "ladder";
break;
case Ladder.Stairs:
featureToEdit.Attributes["ladder_type"] = "stairs";
break;
}
featureToEdit.Attributes["notes"] = bin.Notes;
double dr;
//double.TryParse(bin.BinVolume, out dr);
//featureToEdit.Attributes["bin_volume"] = dr;
//bin type specific logic below
Type t = bin.GetType();
if (bin.BinType == BinTypeEnum.FlatStructure)
{
if (t.Equals(typeof(FlatBin)))
{
FlatBin flat = (FlatBin)bin;
featureToEdit.Attributes["crib_height"] = flat.CribLength;
featureToEdit.Attributes["crib_width"] = flat.CribWidth;
}
}
else if (bin.BinType == BinTypeEnum.GravityWagon)
{
if (t.Equals(typeof(GravityBin)))
{
GravityBin gravityBin = (GravityBin)bin;
featureToEdit.Attributes["chute_length"] = gravityBin.ChuteLength;
featureToEdit.Attributes["hopper_height"] = gravityBin.HopperHeight;
featureToEdit.Attributes["rectangle_height"] = gravityBin.RectangleHeight;
featureToEdit.Attributes["rectangle_length"] = gravityBin.RectangleLength;
featureToEdit.Attributes["rectangle_width"] = gravityBin.RectangleWidth;
}
}
else if (bin.BinType == BinTypeEnum.PolygonStructure)
{
if (t.Equals(typeof(PolygonBin)))
{
PolygonBin polygonBin = (PolygonBin)bin;
featureToEdit.Attributes["side_height"] = polygonBin.SideHeight;
featureToEdit.Attributes["side_width"] = polygonBin.SideWidth;
featureToEdit.Attributes["number_of_sides"] = polygonBin.NumberOfSides;
}
}
else if (bin.BinType == BinTypeEnum.RoundStorage)
{
if (t.Equals(typeof(PolygonBin)))
{
RoundBin round = (RoundBin)bin;
if (round.HasHopper.HasValue)
{
featureToEdit.Attributes["has_hopper"] = round.HasHopper.Value ? "true" : "false";
}
featureToEdit.Attributes["radius"] = round.Radius;
featureToEdit.Attributes["wall_height"] = round.WallHeight;
featureToEdit.Attributes["roof_height"] = round.RoofHeight;
featureToEdit.Attributes["hopper_height"] = round.HopperHeight;
}
}
// can't be null
if (binViewModel.Binstance.YTYDatas == null)
{
binViewModel.Binstance.YTYDatas = new List <YTYData>();
}
//use data in _binViewModel
System.Diagnostics.Debug.Print("Feature can edit attachments" + (featureToEdit.CanEditAttachments ? "Yes" : "No"));
//-------- Formatting --------
//create json
string jsonString = JsonConvert.SerializeObject(binViewModel.Binstance.YTYDatas);
//System.Diagnostics.Debug.Print(jsonString);
//System.Diagnostics.Debug.Print(((Binstance)(binViewModel.Binstance)).YTYDatasString());
// convert json to byte array
byte[] byteArray = Encoding.UTF8.GetBytes(jsonString);
//-------- ARC Connection --------
//remove old YTYData
List <Attachment> attachmentsToRemove = new List <Attachment>();
IReadOnlyList <Attachment> attachments = await featureToEdit.GetAttachmentsAsync();
foreach (Attachment attachment in attachments)
{
System.Diagnostics.Debug.Print(attachment.Name);
if (attachment.Name.Equals(YTY_FILE_NAME))
{
System.Diagnostics.Debug.Print("Found YTY attachment");
attachmentsToRemove.Add(attachment);
}
}
System.Diagnostics.Debug.Print("Attachments to remove:");
foreach (Attachment attachment in attachments)
{
System.Diagnostics.Debug.Print(attachment.Name);
}
if (attachmentsToRemove.Any())
{
//update the json file
await featureToEdit.UpdateAttachmentAsync(attachmentsToRemove.First(), YTY_FILE_NAME, "application/json", byteArray);
}
_featureTable = (ServiceFeatureTable)featureToEdit.FeatureTable;
// update feature after attachment added
await _featureTable.UpdateFeatureAsync(featureToEdit); //agsFeature
System.Diagnostics.Debug.Print("Feature table updated");
// push to ArcGIS Online feature service
IReadOnlyList <EditResult> editResults = await _featureTable.ApplyEditsAsync();
System.Diagnostics.Debug.Print("Arc updated");
foreach (var er in editResults)
{
if (er.CompletedWithErrors)
{
// handle error (er.Error.Message)
return(ArcCrudEnum.Failure);
}
}
return(ArcCrudEnum.Success);
}
catch (ArcGISWebException)
{
return(ArcCrudEnum.Exception);
}
}