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Basic Query Windows

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This commit is contained in:
PeterZhong 2024-12-05 12:16:44 +08:00
parent 59f3c97c1e
commit b5a8793281
2 changed files with 60 additions and 1 deletions
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9
GisDevelop_Exp/MainWindow.xaml
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@ -54,6 +54,15 @@
<MenuItem x:Name="Menu_Buffer" Header="缓冲" Click="Menu_Buffer_OnClick"></MenuItem>
<MenuItem x:Name="Menu_Intersection_Point" Header="求交点" Click="Menu_Intersection_Point_OnClick"></MenuItem>
</MenuItem>
<MenuItem Header="属性查询">
<MenuItem x:Name="Menu_Attribute_Query" Header="按属性查询" Click="Menu_Attribute_Query_OnClick"></MenuItem>
<MenuItem Header="按位置查询">
<MenuItem x:Name="Menu_Query_Point" Header="点击选择" Click="Menu_Query_Point_OnClick"></MenuItem>
<MenuItem x:Name="Menu_Query_Envelope" Header="拉框选择"></MenuItem>
</MenuItem>
<Separator></Separator>
<MenuItem x:Name="Menu_Clear_Selection" Header="清除选择"></MenuItem>
</MenuItem>
</Menu>
<esri:MapView x:Name="MainMapView" Map="{Binding Map, Source={StaticResource MapViewModel}}" Margin="0,19,0,0"
ViewpointChanged="MainMapView_OnViewpointChanged" GeoViewTapped="MainMapView_OnGeoViewTapped"

52
GisDevelop_Exp/MainWindow.xaml.cs
View File

@ -78,6 +78,10 @@ namespace GisDevelop_Exp
private List<Graphic> listOfClipGraphics; //几何操作时选择的图形
private int selByGeometryType = 0;
LocationQueryResultsWindow locationQueryResultsWindow ;
private readonly Dictionary<string, Basemap> _basemapOptions = new Dictionary<string, Basemap>()
{
{ "Streets (Raster)", new Basemap(BasemapStyle.OSMStreets) },
@ -954,7 +958,7 @@ namespace GisDevelop_Exp
m_CurOper = CURRENTOPERATION.DrawPoint;
}
private void MainMapView_OnMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
private async void MainMapView_OnMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
IInputElement mv = (IInputElement)sender;
MapPoint location = MainMapView.ScreenToLocation(e.GetPosition(mv));
@ -1003,6 +1007,28 @@ namespace GisDevelop_Exp
linesList.Add(lineGraphic);
}
}
if(selByGeometryType == 1)//检查是否为按照位置查询中的点选
{
IInputElement ie = (IInputElement)sender;//转换事件宿主对象为IInputElement对象
IReadOnlyList< IdentifyLayerResult> results =await
MainMapView.IdentifyLayersAsync(e.GetPosition(ie), 15, false);//根据鼠标点在所有图层中进行查询
if(results!=null)//查询结果不为空
{
if (locationQueryResultsWindow != null &&
locationQueryResultsWindow.IsClosed)//位置查询结果子窗体已关闭
{
locationQueryResultsWindow = null;//将子窗体对象置为空
}
if (locationQueryResultsWindow == null)
{
locationQueryResultsWindow = new LocationQueryResultsWindow();//构造新的子窗体对象
}
locationQueryResultsWindow.ResultCollection = results;//为子窗体引用查询结果集对象
locationQueryResultsWindow.Show();//显示该子窗体
locationQueryResultsWindow.Activate();//使子窗体处于激活状态
}
}
}
private void Menu_Layers_Options_OnClick(object sender, RoutedEventArgs e)
@ -1512,5 +1538,29 @@ namespace GisDevelop_Exp
{
MessageBox.Show("此功能暂未实现");
}
private void Menu_Attribute_Query_OnClick(object sender, RoutedEventArgs e)
{
List<FeatureTable> myTables;
myTables = new List<FeatureTable>();
for(int i=0;i<MainMapView.Map.OperationalLayers.Count;i++)
{
FeatureLayer pFL = MainMapView.Map.OperationalLayers[i] as FeatureLayer;
if(pFL != null)
{
myTables.Add(pFL.FeatureTable);
}
}
AttributeQuery qw = new AttributeQuery();//创建新的查询窗体对象
qw.Tables.AddRange(myTables);//为窗体对象的表集合对象添加表集合
bool r =(bool) qw.ShowDialog();//以对话框方式显示该子窗体
}
private void Menu_Query_Point_OnClick(object sender, RoutedEventArgs e)
{
selByGeometryType = 1;//设置其值为1
}
}
}