98 lines
4.0 KiB
C#
98 lines
4.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using System.Windows.Shapes;
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using Esri.ArcGISRuntime.Data;
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namespace GisDevelop_Exp
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{
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/// <summary>
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/// Interaction logic for LocationQueryResultsWindow.xaml
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/// </summary>
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public partial class LocationQueryResultsWindow : Window
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{
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private IReadOnlyList<IdentifyLayerResult> resultCollection;//地图识别操作结果集合
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private bool isClosed;//窗体关闭标记
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private IdentifyLayerResult curSelLayer;//当前选择的图层
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public IReadOnlyList<IdentifyLayerResult> ResultCollection
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{
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get { return resultCollection; }
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set { resultCollection = value; }
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}
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public bool IsClosed
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{
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get { return isClosed; }
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}
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public LocationQueryResultsWindow()
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{
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InitializeComponent();
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}
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private void LocationQueryResultsWindow_OnActivated(object? sender, EventArgs e)
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{
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if(resultCollection!=null)//查询结果集不为空
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{
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comboBoxLayer.Items.Clear();//清空图层组合框的内容
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foreach (IdentifyLayerResult result in resultCollection)//遍历集合
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{
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comboBoxLayer.Items.Add(result.LayerContent.Name);//添加图层名到图层组合框
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}
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IdentifyLayerResult firstLayerResult = resultCollection.First();//获取第一个集合中第一个图层
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IReadOnlyList<GeoElement> selFeatures = firstLayerResult.GeoElements;//获取图层中所有要素
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comboBoxRecord.Items.Clear();//清空记录组合框的内容
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for(int i = 1; i <= selFeatures.Count; i++)
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{
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comboBoxRecord.Items.Add(i);//遍历要素集合，为记录组合框添加项
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}
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Feature ft = (Feature)selFeatures.First();//取得要素集合中第一个要素
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dataGridContent.AutoGenerateColumns = true;//数据格网对象自动生成列
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dataGridContent.ItemsSource = ft.Attributes;//设置数据格网中项的数据源
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comboBoxLayer.SelectedIndex = 0;
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comboBoxRecord.SelectedIndex = 0;
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}
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}
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private void LocationQueryResultsWindow_OnClosed(object? sender, EventArgs e)
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{
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isClosed = true;
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}
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private void ComboBoxLayer_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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if(comboBoxLayer.SelectedIndex>-1)//索引有效
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{
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curSelLayer = resultCollection[comboBoxLayer.SelectedIndex];//取得索引对应的要素图层
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comboBoxRecord.Items.Clear();//清空记录组合框的 内容
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for(int i = 1; i <= curSelLayer.GeoElements.Count; i++)
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{
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comboBoxRecord.Items.Add(i);//遍历图层记录数，为记录组合框添加项
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}
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Feature ft = (Feature ) curSelLayer.GeoElements.First();//取得记录集中的第一个要素
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dataGridContent.ItemsSource = ft.Attributes;//设置数据格网对象中项的数据源
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comboBoxRecord.SelectedIndex = 0;
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}
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}
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private void ComboBoxRecord_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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if(curSelLayer !=null && comboBoxRecord.SelectedIndex > -1)//当前图层不为空，所选记录索引有效
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{
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Feature ft = (Feature )
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curSelLayer.GeoElements[comboBoxRecord.SelectedIndex];//获取索引所在要素
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dataGridContent.ItemsSource = ft.Attributes;//设置数据格网对象中项的数据源
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}
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}
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}
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}
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