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Adds a GeoView controller to help with common MVVM challenges (#528)
* Adds a GeoView controller to help with common MVVM challenges
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25 changes: 25 additions & 0 deletions
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src/Samples/Toolkit.SampleApp.Maui/Samples/GeoViewControllerSample.xaml
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| <?xml version="1.0" encoding="utf-8" ?> | ||
| <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui" | ||
| xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" | ||
| x:Class="Toolkit.SampleApp.Maui.Samples.GeoViewControllerSample" | ||
| xmlns:local="clr-namespace:Toolkit.SampleApp.Maui.Samples" | ||
| xmlns:esri="clr-namespace:Esri.ArcGISRuntime.Maui;assembly=Esri.ArcGISRuntime.Maui" | ||
| xmlns:toolkit="clr-namespace:Esri.ArcGISRuntime.Toolkit.Maui;assembly=Esri.ArcGISRuntime.Toolkit.Maui" | ||
| xmlns:toolkitbase="clr-namespace:Esri.ArcGISRuntime.Toolkit;assembly=Esri.ArcGISRuntime.Toolkit.Maui" | ||
| xmlns:mauitoolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit" | ||
| Title="GeoViewController"> | ||
| <ContentPage.Resources> | ||
| <local:GeoViewControllerSampleVM x:Key="VM" /> | ||
| </ContentPage.Resources> | ||
| <Grid> | ||
| <esri:MapView x:Name="MyMapView" | ||
| Map="{Binding Map, Source={StaticResource VM}}" | ||
| toolkit:GeoViewController.GeoViewController="{Binding Controller, Source={StaticResource VM}}"> | ||
| <esri:MapView.Behaviors> | ||
| <mauitoolkit:EventToCommandBehavior EventName="GeoViewTapped" | ||
| x:TypeArguments="esri:GeoViewInputEventArgs" | ||
| Command="{Binding GeoViewTappedCommand, Source={StaticResource VM}}" /> | ||
| </esri:MapView.Behaviors> | ||
| </esri:MapView> | ||
| </Grid> | ||
| </ContentPage> |
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src/Samples/Toolkit.SampleApp.Maui/Samples/GeoViewControllerSample.xaml.cs
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| using CommunityToolkit.Mvvm.Input; | ||
| using Esri.ArcGISRuntime.Data; | ||
| using Esri.ArcGISRuntime.Geometry; | ||
| using Esri.ArcGISRuntime.Mapping; | ||
| using Esri.ArcGISRuntime.Maui; | ||
| using Esri.ArcGISRuntime.Toolkit.Maui; | ||
|
|
||
| namespace Toolkit.SampleApp.Maui.Samples; | ||
|
|
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| public partial class GeoViewControllerSample : ContentPage | ||
| { | ||
| public GeoViewControllerSample() | ||
| { | ||
| InitializeComponent(); | ||
| } | ||
| } | ||
|
|
||
| public partial class GeoViewControllerSampleVM | ||
| { | ||
| public Map Map { get; } = new Map(new Uri("https://www.arcgis.com/home/item.html?id=9f3a674e998f461580006e626611f9ad")); | ||
|
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| public GeoViewController Controller { get; } = new GeoViewController(); | ||
|
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| [RelayCommand] | ||
| public async Task OnGeoViewTapped(GeoViewInputEventArgs eventArgs) => await Identify(eventArgs.Position, eventArgs.Location); | ||
|
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| public async Task Identify(Point location, MapPoint? mapLocation) | ||
| { | ||
| Controller.DismissCallout(); | ||
| var result = await Controller.IdentifyLayersAsync(location, 10); | ||
| if (result.FirstOrDefault()?.GeoElements?.FirstOrDefault() is GeoElement element) | ||
| { | ||
| Controller.ShowCalloutForGeoElement(element, location, new Esri.ArcGISRuntime.UI.CalloutDefinition(element)); | ||
| } | ||
| else if (mapLocation is not null) | ||
| { | ||
| Controller.ShowCalloutAt(mapLocation, new Esri.ArcGISRuntime.UI.CalloutDefinition("No features found")); | ||
| } | ||
| } | ||
| } |
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19 changes: 19 additions & 0 deletions
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src/Samples/Toolkit.SampleApp.UWP/Samples/GeoViewController/GeoViewControllerSample.xaml
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| <Page | ||
| x:Class="Esri.ArcGISRuntime.Toolkit.SampleApp.Samples.GeoViewController.GeoViewControllerSample" | ||
| xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" | ||
| xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" | ||
| xmlns:local="using:Esri.ArcGISRuntime.Toolkit.SampleApp.Samples.GeoViewController" | ||
| xmlns:d="http://schemas.microsoft.com/expression/blend/2008" | ||
| xmlns:esri="using:Esri.ArcGISRuntime.UI.Controls" | ||
| xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" | ||
| xmlns:toolkit="using:Esri.ArcGISRuntime.Toolkit.UI.Controls" | ||
| xmlns:toolkitui="using:Esri.ArcGISRuntime.Toolkit.UI" | ||
| mc:Ignorable="d" | ||
| Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"> | ||
|
|
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| <Grid> | ||
| <esri:MapView x:Name="MyMapView" Map="{x:Bind VM.Map}" | ||
| toolkitui:GeoViewController.GeoViewController="{x:Bind VM.Controller}" | ||
| GeoViewTapped="{x:Bind VM.OnGeoViewTapped}" /> | ||
| </Grid> | ||
| </Page> |
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src/Samples/Toolkit.SampleApp.UWP/Samples/GeoViewController/GeoViewControllerSample.xaml.cs
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| namespace Esri.ArcGISRuntime.Toolkit.SampleApp.Samples.GeoViewController | ||
| { | ||
| public sealed partial class GeoViewControllerSample : Page | ||
| { | ||
| public GeoViewControllerSample() | ||
| { | ||
| this.InitializeComponent(); | ||
| } | ||
| public GeoViewControllerSampleVM VM { get; } = new GeoViewControllerSampleVM(); | ||
| } | ||
| } |
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src/Samples/Toolkit.SampleApp.UWP/Samples/GeoViewController/GeoViewControllerSampleVM.cs
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| using System; | ||
| using System.Linq; | ||
| using Esri.ArcGISRuntime.Data; | ||
| using Esri.ArcGISRuntime.Geometry; | ||
| using Esri.ArcGISRuntime.Mapping; | ||
| using Esri.ArcGISRuntime.UI.Controls; | ||
| using Windows.Foundation; | ||
|
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| namespace Esri.ArcGISRuntime.Toolkit.SampleApp.Samples.GeoViewController; | ||
|
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| public class GeoViewControllerSampleVM | ||
| { | ||
| public Map Map { get; } = new Map(new Uri("https://www.arcgis.com/home/item.html?id=9f3a674e998f461580006e626611f9ad")); | ||
|
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| public UI.GeoViewController Controller { get; } = new UI.GeoViewController(); | ||
|
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| public void OnGeoViewTapped(object sender, GeoViewInputEventArgs eventArgs) => Identify(eventArgs.Position, eventArgs.Location); | ||
|
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| public async void Identify(Point location, MapPoint mapLocation) | ||
| { | ||
| Controller.DismissCallout(); | ||
| var result = await Controller.IdentifyLayersAsync(location, 10); | ||
| if (result.FirstOrDefault()?.GeoElements?.FirstOrDefault() is GeoElement element) | ||
| { | ||
| Controller.ShowCalloutForGeoElement(element, location, new Esri.ArcGISRuntime.UI.CalloutDefinition(element)); | ||
| } | ||
| else if (mapLocation is not null) | ||
| { | ||
| Controller.ShowCalloutAt(mapLocation, new Esri.ArcGISRuntime.UI.CalloutDefinition("No features found")); | ||
| } | ||
| } | ||
| } |
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25 changes: 25 additions & 0 deletions
25
src/Samples/Toolkit.SampleApp.WPF/Samples/GeoViewController/GeoViewControllerSample.xaml
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| <UserControl x:Class="Esri.ArcGISRuntime.Toolkit.Samples.GeoViewController.GeoViewControllerSample" | ||
| xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" | ||
| xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" | ||
| xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" | ||
| xmlns:d="http://schemas.microsoft.com/expression/blend/2008" | ||
| xmlns:local="clr-namespace:Esri.ArcGISRuntime.Toolkit.Samples.GeoViewController" | ||
| xmlns:esri="http://schemas.esri.com/arcgis/runtime/2013" | ||
| xmlns:Behaviors="http://schemas.microsoft.com/xaml/behaviors" | ||
| mc:Ignorable="d" | ||
| d:DesignHeight="450" d:DesignWidth="800"> | ||
| <UserControl.Resources> | ||
| <local:GeoViewControllerSampleVM x:Key="VM" /> | ||
| </UserControl.Resources> | ||
| <Grid> | ||
| <esri:MapView x:Name="MyMapView" | ||
| Map="{Binding Map, Source={StaticResource VM}}" | ||
| esri:GeoViewController.GeoViewController="{Binding Controller, Source={StaticResource VM}}"> | ||
| <Behaviors:Interaction.Triggers> | ||
| <Behaviors:EventTrigger EventName="GeoViewTapped" > | ||
| <Behaviors:InvokeCommandAction Command="{Binding GeoViewTappedCommand, Source={StaticResource VM}}" PassEventArgsToCommand="True" /> | ||
| </Behaviors:EventTrigger> | ||
| </Behaviors:Interaction.Triggers> | ||
| </esri:MapView> | ||
| </Grid> | ||
| </UserControl> |
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src/Samples/Toolkit.SampleApp.WPF/Samples/GeoViewController/GeoViewControllerSample.xaml.cs
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| using System.Windows.Controls; | ||
|
|
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| namespace Esri.ArcGISRuntime.Toolkit.Samples.GeoViewController | ||
| { | ||
| public partial class GeoViewControllerSample : UserControl | ||
| { | ||
| public GeoViewControllerSample() | ||
| { | ||
| InitializeComponent(); | ||
| } | ||
| } | ||
| } |
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src/Samples/Toolkit.SampleApp.WPF/Samples/GeoViewController/GeoViewControllerSampleVM.cs
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| #nullable enable | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using System.Windows; | ||
| using CommunityToolkit.Mvvm.Input; | ||
| using Esri.ArcGISRuntime.Data; | ||
| using Esri.ArcGISRuntime.Geometry; | ||
| using Esri.ArcGISRuntime.Mapping; | ||
| using Esri.ArcGISRuntime.UI.Controls; | ||
|
|
||
| namespace Esri.ArcGISRuntime.Toolkit.Samples.GeoViewController; | ||
| public partial class GeoViewControllerSampleVM | ||
| { | ||
| public Map Map { get; } = new Map(new Uri("https://www.arcgis.com/home/item.html?id=9f3a674e998f461580006e626611f9ad")); | ||
|
|
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| public IMyMapViewController Controller { get; } = new MyMapViewController(); | ||
|
|
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| [RelayCommand] | ||
| public async Task OnGeoViewTapped(GeoViewInputEventArgs eventArgs) => await Identify(eventArgs.Position, eventArgs.Location); | ||
|
|
||
| public async Task Identify(Point location, MapPoint? mapLocation) | ||
| { | ||
| Controller.DismissCallout(); | ||
| var result = await Controller.IdentifyLayersAsync(location, 10); | ||
| if (result.FirstOrDefault()?.GeoElements?.FirstOrDefault() is GeoElement element) | ||
| { | ||
| Controller.ShowCalloutForGeoElement(element, location, new Esri.ArcGISRuntime.UI.CalloutDefinition(element)); | ||
| _ = Controller.PanToAsync(mapLocation); | ||
| } | ||
| else if (mapLocation is not null) | ||
| { | ||
| Controller.ShowCalloutAt(mapLocation, new Esri.ArcGISRuntime.UI.CalloutDefinition("No features found")); | ||
| } | ||
| } | ||
| } | ||
|
|
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| // Custom controller that extends the toolkit controller | ||
| public class MyMapViewController : UI.GeoViewController, IMyMapViewController | ||
| { | ||
| public MapView? ConnectedMapView => ConnectedView as MapView; | ||
|
|
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| public Task PanToAsync(MapPoint? center) | ||
| { | ||
| if (center is null) | ||
| return Task.FromResult(false); | ||
| return ConnectedMapView?.SetViewpointCenterAsync(center) ?? Task.FromResult(false); | ||
| } | ||
|
|
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| public MapPoint? ScreenToLocation(Point screenLocation) => ConnectedMapView?.ScreenToLocation(screenLocation); | ||
| } | ||
|
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| // Custom interface for testability of VM | ||
| public interface IMyMapViewController | ||
| { | ||
| void DismissCallout(); | ||
| void ShowCalloutForGeoElement(GeoElement element, Point tapPosition, ArcGISRuntime.UI.CalloutDefinition definition); | ||
| void ShowCalloutAt(MapPoint location, ArcGISRuntime.UI.CalloutDefinition definition); | ||
| Task<IReadOnlyList<IdentifyLayerResult>> IdentifyLayersAsync(Point screenPoint, double tolerance, bool returnPopupsOnly = false, CancellationToken cancellationToken = default); | ||
| MapPoint? ScreenToLocation(Point screenLocation); | ||
| Task PanToAsync(MapPoint? center); | ||
| } |
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