ArcGIS Pro二次开发-获得一个gdb所有数据放入面板中

 

 

 

ListContentDockpaneViewModel.cs
==================
using System;

using System;

using System.Collections.Generic;

using System.Collections.ObjectModel;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Data;

using System.Windows.Input;

using ArcGIS.Core.Data;

using ArcGIS.Desktop.Catalog;

using ArcGIS.Desktop.Core;

using ArcGIS.Desktop.Framework;

using ArcGIS.Desktop.Framework.Contracts;

using ArcGIS.Desktop.Framework.Threading.Tasks;

namespace ProAppModule1
{
    internal class ListContentDockpaneViewModel : DockPane
    {
        private const string _dockPaneID = "ProAppModule1_ListContentDockpane";
        private const string _menuID = "ProAppModule1_ListContentDockpane_Menu";
        private ICommand _openGdbCmd;

        private ObservableCollection<GdbItem> _gdbDefinitions = new ObservableCollection<GdbItem>();

        private readonly object _lockGdbDefinitions = new object();



        protected ListContentDockpaneViewModel()

        {

            // By default, WPF data bound collections must be modified on the thread where the bound WPF control was created. 

            // This limitation becomes a problem when you want to fill the collection from a worker thread to produce a nice experience. 

            // For example, a search result list should be gradually filled as more matches are found, without forcing the user to wait until the 

            // whole search is complete.  



            // To get around this limitation, WPF provides a static BindingOperations class that lets you establish an 

            // association between a lock and a collection (e.g., ObservableCollection\<T>). 

            // This association allows bound collections to be updated from threads outside the main GUI thread, 

            // in a coordinated manner without generating the usual exception.  



            BindingOperations.EnableCollectionSynchronization(_gdbDefinitions, _lockGdbDefinitions);

        }



        public ICommand OpenGdbCmd

        {

            get { return _openGdbCmd ?? (_openGdbCmd = new RelayCommand(() => OpenGdbDialog(), () => true)); }

        }



        /// <summary>

        /// Show the DockPane.

        /// </summary>

        internal static void Show()

        {

            var pane = FrameworkApplication.DockPaneManager.Find(_dockPaneID);

            pane?.Activate();

        }



        /// <summary>

        /// Text shown near the top of the DockPane.

        /// </summary>

        private string _heading = "Show GDB Content";

        public string Heading

        {

            get { return _heading; }

            set

            {

                SetProperty(ref _heading, value, () => Heading);

            }

        }



        private string _gdbPath = string.Empty;

        public string GdbPath

        {

            get { return _gdbPath; }

            set

            {

                SetProperty(ref _gdbPath, value, () => GdbPath);

                LookupItems();

            }

        }



        public ObservableCollection<GdbItem> GdbDefinitions

        {

            get { return _gdbDefinitions; }

            set

            {

                SetProperty(ref _gdbDefinitions, value, () => GdbDefinitions);

            }

        }



        private void OpenGdbDialog()

        {

            OpenItemDialog searchGdbDialog = new OpenItemDialog

            {

                Title = "Find GDB",

                InitialLocation = @"C:\Data",

                MultiSelect = false,

                Filter = ItemFilters.geodatabases

            };



            var ok = searchGdbDialog.ShowDialog();

            if (ok != true) return;

            var selectedItems = searchGdbDialog.Items;

            foreach (var selectedItem in selectedItems)

                GdbPath = selectedItem.Path;

        }



        private void LookupItems()

        {

            QueuedTask.Run(() =>

            {

                using (Geodatabase fileGeodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(new Uri(GdbPath))))

                {

                    IReadOnlyList<FeatureClassDefinition> fcdefinitions = fileGeodatabase.GetDefinitions<FeatureClassDefinition>();

                    lock (_lockGdbDefinitions)

                    {

                        _gdbDefinitions.Clear();

                        foreach (var definition in fcdefinitions)

                        {

                            _gdbDefinitions.Add(new GdbItem() { Name = definition.GetName(), Type = definition.DatasetType.ToString() });

                        }

                    }

                    IReadOnlyList<TableDefinition> tbdefinitions = fileGeodatabase.GetDefinitions<TableDefinition>();

                    lock (_lockGdbDefinitions)

                    {

                        foreach (var definition in tbdefinitions)

                        {

                            _gdbDefinitions.Add(new GdbItem() { Name = definition.GetName(), Type = definition.DatasetType.ToString() });

                        }

                    }



                }

            }).ContinueWith(t =>

            {

                if (t.Exception == null) return;

                var aggException = t.Exception.Flatten();

                foreach (var exception in aggException.InnerExceptions)

                    System.Diagnostics.Debug.WriteLine(exception.Message);

            });

        }

    }


    /// <summary>
    /// Button implementation to show the DockPane.
    /// </summary>
    internal class ListContentDockpane_ShowButton : Button
    {
        protected override void OnClick()
        {
            ListContentDockpaneViewModel.Show();
        }
    }

    /// <summary>
    /// Button implementation for the button on the menu of the burger button.
    /// </summary>
    internal class ListContentDockpane_MenuButton : Button
    {
        protected override void OnClick()
        {
        }
    }
}

================

<UserControl x:Class="ProAppModule1.ListContentDockpaneView"

             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:extensions="clr-namespace:ArcGIS.Desktop.Extensions;assembly=ArcGIS.Desktop.Extensions"

             mc:Ignorable="d"

             d:DataContext="{Binding Path=ProAppModule1.ListContentDockpaneViewModel}"

             d:DesignHeight="300" d:DesignWidth="300">

    <UserControl.Resources>

        <ResourceDictionary>

            <ResourceDictionary.MergedDictionaries>

                <extensions:DesignOnlyResourceDictionary Source="pack://application:,,,/ArcGIS.Desktop.Framework;component\Themes\Default.xaml"/>

            </ResourceDictionary.MergedDictionaries>

        </ResourceDictionary>

    </UserControl.Resources>

    <Grid HorizontalAlignment="Stretch">

        <Grid.RowDefinitions>

            <RowDefinition Height="Auto"/>

            <RowDefinition Height="Auto"/>

            <RowDefinition Height="*"/>

        </Grid.RowDefinitions>

 

        <DockPanel Grid.Row="0" LastChildFill="true" KeyboardNavigation.TabNavigation="Local" Height="30">

            <TextBlock Grid.Column="1" Text="{Binding Heading}" VerticalAlignment="Center" HorizontalAlignment="Center" Style="{DynamicResource Esri_TextBlockDockPaneHeader}">

                <TextBlock.ToolTip>

                    <WrapPanel Orientation="Vertical" MaxWidth="300">

                        <TextBlock Text="{Binding Heading}" TextWrapping="Wrap"/>

                    </WrapPanel>

                </TextBlock.ToolTip>

      </TextBlock>

        </DockPanel>

        <Grid Grid.Row="1" HorizontalAlignment="Stretch" Margin="5" >

            <Grid.ColumnDefinitions>

                <ColumnDefinition Width="Auto"></ColumnDefinition>

                <ColumnDefinition Width="*"></ColumnDefinition>

                <ColumnDefinition Width="Auto"></ColumnDefinition>

            </Grid.ColumnDefinitions>

            <Grid.RowDefinitions>

                <RowDefinition></RowDefinition>

            </Grid.RowDefinitions>

            <TextBlock Grid.Column="0" Grid.Row="0" Margin="0,0,5,0" VerticalAlignment="Center" Text="GDB Path:" Style="{DynamicResource Esri_TextBlockRegular}"/>

            <TextBox Grid.Column="1" Grid.Row="0" Text="{Binding GdbPath, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" HorizontalAlignment="Stretch" VerticalAlignment="Center"></TextBox>

            <Button Grid.Column="2" Grid.Row="0" Command="{Binding OpenGdbCmd}" Style="{DynamicResource Esri_Button}" VerticalAlignment="Center">Open GDB</Button>

        </Grid>

        <DataGrid Grid.Row="2" Margin="5"

                ScrollViewer.CanContentScroll="True"     

                AutoGenerateColumns="True"

                HorizontalAlignment="Stretch"

                HeadersVisibility="Column"

                RowHeaderWidth="0"

                ItemsSource="{Binding Path=GdbDefinitions, Mode=OneWay}"

                Style="{DynamicResource Esri_DataGrid}">

        </DataGrid>

    </Grid>