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Draw Point

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This commit is contained in:
PeterZhong 2024-11-25 10:38:53 +08:00
parent c0df38bbf9
commit 0c97cd4d42
2 changed files with 227 additions and 5 deletions
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14
GisDevelop_Exp/MainWindow.xaml
View File

@ -30,8 +30,20 @@
<MenuItem x:Name="Menu_Click_Indentify" Header="点击查询" Click="Menu_Click_Indentify_OnClick"></MenuItem>
<MenuItem x:Name="Menu_Identify_Indentify" Header="Indentify查询" Click="Menu_Identify_Indentify_OnClick"></MenuItem>
</MenuItem>
<MenuItem x:Name="Menu_Symbology" Header="符号系统">
<MenuItem x:Name="Menu_Point_Add_Layer" Header="添加图层" Click="Menu_OpenShp_Click"></MenuItem>
<MenuItem x:Name="Menu_Point_Draw_Point" Header="画点" Click="Menu_Point_Symbol_Click"></MenuItem>
<MenuItem x:Name="Menu_Point_Draw_Line" Header="画线" Click="Menu_Point_Draw_Line_OnClick"></MenuItem>
<MenuItem x:Name="Menu_Point_Draw_Polygon" Header="画面" Click="Menu_Point_Draw_Polygon_OnClick"></MenuItem>
<MenuItem x:Name="Menu_Layers_Options" Header="符号系统" Click="Menu_Layers_Options_OnClick"></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"/>
<esri:MapView x:Name="MainMapView" Map="{Binding Map, Source={StaticResource MapViewModel}}" Margin="0,19,0,0" ViewpointChanged="MainMapView_OnViewpointChanged" GeoViewTapped="MainMapView_OnGeoViewTapped" MouseLeftButtonDown="MainMapView_OnMouseLeftButtonDown"/>
<ListBox x:Name="LayerListBox" Width="143" SelectedIndex="0" RenderTransformOrigin="0.451,1.105" Margin="0,37,0,13" HorizontalAlignment="Left" PreviewMouseMove="LayerListBox_OnPreviewMouseMove" Drop="LayerListBox_OnDrop" ItemStringFormat="删除">
<ListBox.ContextMenu>
<ContextMenu/>
</ListBox.ContextMenu>
</ListBox>
<Border BorderBrush="#FF8B1D76" BorderThickness="2,2,2,2" HorizontalAlignment="Right" Height="180" Width="202" VerticalAlignment="Top" IsEnabled="False">
<esri:MapView x:Name="EagleMapView"/>
</Border>

218
GisDevelop_Exp/MainWindow.xaml.cs
View File

@ -31,6 +31,9 @@ enum CURRENTOPERATION
SelectQuery = 0,
IdentifyQuery,
PanMap,
DrawPoint,
DrawLine,
DrawPolygon,
}
namespace GisDevelop_Exp
@ -47,6 +50,13 @@ namespace GisDevelop_Exp
private ServiceFeatureTable _featureTable;
private List<MapPoint> linePoints;
private List<Graphic> linesList;
private SimpleMarkerSymbol pointSymbol;
private SimpleLineSymbol lineSymbol;
private SimpleFillSymbol fillSymbol;
private readonly Dictionary<string, Basemap> _basemapOptions = new Dictionary<string, Basemap>()
{
{ "Streets (Raster)", new Basemap(BasemapStyle.OSMStreets) },
@ -67,9 +77,19 @@ namespace GisDevelop_Exp
public MainWindow()
{
InitializeComponent();
pointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, System.Drawing.Color.Blue, 3);
lineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.Blue, 1);
fillSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.Solid, System.Drawing.Color.Blue,new SimpleLineSymbol(SimpleLineSymbolStyle.Solid,System.Drawing.Color.Pink,1));
linePoints = new List<MapPoint>();
linesList = new List<Graphic>();
m_CurOper = CURRENTOPERATION.NullOpe;
Initialize();
EagleMapView.Map = new Map(BasemapStyle.ArcGISImageryStandard);
GraphicsOverlay graphicLayer = new GraphicsOverlay();
MainMapView.GraphicsOverlays.Add(graphicLayer);
}
private void Initialize()
@ -108,9 +128,10 @@ namespace GisDevelop_Exp
ShapefileFeatureTable openedFeature = await ShapefileFeatureTable.OpenAsync(filePath);
FeatureLayer opendFeatureLayer = new FeatureLayer(openedFeature);
MainMapView.Map.OperationalLayers.Add(opendFeatureLayer);
await MainMapView.SetViewpointGeometryAsync(opendFeatureLayer.FullExtent);
await MainMapView.SetViewpointGeometryAsync(openedFeature.Extent);
}
}
AddLayerNameToList();
}
private async void OpenGeoDatabase()
@ -135,14 +156,17 @@ namespace GisDevelop_Exp
await table.LoadAsync();
FeatureLayer layer = new FeatureLayer(table);
layer.Name = table.TableName;
geodatabaseMap.OperationalLayers.Add(layer);
// geodatabaseMap.OperationalLayers.Add(layer);
_featureLayer = layer;
MainMapView.Map.OperationalLayers.Add(layer);
}
Viewpoint geodatabaseViewPoint = new Viewpoint(_featureLayer.FullExtent);
geodatabaseMap.InitialViewpoint = geodatabaseViewPoint;
MainMapView.Map = geodatabaseMap;
// geodatabaseMap.InitialViewpoint = geodatabaseViewPoint;
MainMapView.Map.InitialViewpoint = geodatabaseViewPoint;
// MainMapView.Map = geodatabaseMap;
}
AddLayerNameToList();
}
private void Menu_OpenGeodatabase_Click(object sender, RoutedEventArgs e)
@ -249,6 +273,7 @@ namespace GisDevelop_Exp
pMap.OperationalLayers.Add(_featureLayer);
MainMapView.Map = pMap;
MainMapView.SelectionProperties.Color = Color.Cyan;
AddLayerNameToList();
}
private void BasemapChooser_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
@ -300,6 +325,7 @@ namespace GisDevelop_Exp
FeatureLayer featureLayer = new FeatureLayer(portalItem, 0);
map.OperationalLayers.Add(featureLayer);
MainMapView.Map = map;
AddLayerNameToList();
}
private void MainMapView_OnGeoViewTapped(object? sender, GeoViewInputEventArgs e)
@ -477,6 +503,190 @@ namespace GisDevelop_Exp
aMap.InitialViewpoint = geodatabaseViewPoint;
MainMapView.Map = aMap;
}
AddLayerNameToList();
}
private void LayerListBox_OnPreviewMouseMove(object sender, MouseEventArgs e)
{
if (e.LeftButton == System.Windows.Input.MouseButtonState.Pressed)
{
var pos = e.GetPosition(LayerListBox);
if (pos.X < 20) return;
System.Windows.Media.HitTestResult result =
System.Windows.Media.VisualTreeHelper.HitTest(LayerListBox, pos);
if (result == null) return;
var listBoxItem = Utils.FindVisualParent<ListBoxItem>(result.VisualHit);
if (listBoxItem == null) return;
DataObject dataObj = new DataObject(listBoxItem.Content as CheckBox);
DragDrop.DoDragDrop(LayerListBox, dataObj, DragDropEffects.Move);
}
}
private void LayerListBox_OnDrop(object sender, DragEventArgs e)
{
var pos = e.GetPosition(sender as ListBox);
var result = System.Windows.Media.VisualTreeHelper.HitTest(LayerListBox, pos);
if (result == null)
{
return;
}
var sourcePerson = e.Data.GetData(typeof(CheckBox)) as CheckBox;
if (sourcePerson == null)
{
return;
}
var listBoxItem = Utils.FindVisualParent<ListBoxItem>(result.VisualHit);
if (listBoxItem == null)
{
return;
}
var targetPerson = listBoxItem.Content as CheckBox;
if (ReferenceEquals(targetPerson, sourcePerson))
{
return;
}
int targetIndex = LayerListBox.Items.IndexOf(targetPerson);
int sourceIndex = LayerListBox.Items.IndexOf(sourcePerson);
LayerListBox.Items.Remove(sourcePerson);
LayerListBox.Items.Insert(targetIndex, sourcePerson);
MoveLayer(sourcePerson.ToolTip as string,targetPerson.ToolTip as string);
}
private void AddLayerNameToList()
{
LayerListBox.Items.Clear();
LayerListBox.AllowDrop = true;
LayerCollection pLayers = MainMapView.Map.OperationalLayers;
if (pLayers.Count <= 0) return;
for (int i = pLayers.Count - 1; i >= 0; i--)
{
CheckBox cb = new CheckBox()
{
Margin = new Thickness()
{
Left = 0,
Top = 5,
Right = 0,
Bottom = 5
}
};
Console.WriteLine(pLayers[i].Name);
cb.Content = pLayers[i].Name;
cb.ToolTip = pLayers[i].Name;
cb.Name = pLayers[i].Name;
cb.IsChecked = true;
cb.Focusable = false;
cb.Checked += new RoutedEventHandler(Checked_Layers_CheckBox);
cb.Unchecked += new RoutedEventHandler(UnChecked_Layers_CheckBox);
LayerListBox.Items.Add(cb);
}
}
private void UnChecked_Layers_CheckBox(object sender, RoutedEventArgs e)
{
CheckBox cb = sender as CheckBox;
cb.IsChecked = false;
int index = GetLayerIndex(cb.ToolTip as string);
MainMapView.Map.OperationalLayers[index].IsVisible = false;
}
private void Checked_Layers_CheckBox(object sender, RoutedEventArgs e)
{
CheckBox cb = sender as CheckBox;
cb.IsChecked = true;
int index = GetLayerIndex(cb.ToolTip as string);
MainMapView.Map.OperationalLayers[index].IsVisible = true;
}
internal static class Utils
{
public static T FindVisualParent<T>(DependencyObject obj) where T : class
{
while (obj != null)
{
if (obj is T)
return obj as T;
obj = System.Windows.Media.VisualTreeHelper.GetParent(obj);
}
return null;
}
}
private Layer GetLayer(string name)
{
LayerCollection pLayers = MainMapView.Map.OperationalLayers;
for (int i = pLayers.Count - 1; i >= 0; i--)
{
if (pLayers[i].Name.Equals(name))
{
return pLayers[i];
}
}
return null;
}
private void MoveLayer(string sourceLayer, string targetLayer)
{
LayerCollection pLayers = MainMapView.Map.OperationalLayers;
Layer sourcLayer = GetLayer(sourceLayer);
pLayers.Remove(sourcLayer);
int targerIndex = GetLayerIndex(targetLayer);
}
private int GetLayerIndex(string name)
{
LayerCollection pLayers = MainMapView.Map.OperationalLayers;
for (int i = pLayers.Count - 1; i >= 0; i--)
{
if (pLayers[i].Name.Equals(name))
{
return i;
}
}
return -1;
}
private void Menu_Point_Symbol_Click(object sender, RoutedEventArgs e)
{
m_CurOper = CURRENTOPERATION.DrawPoint;
}
private void MainMapView_OnMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
IInputElement mv = (IInputElement)sender;
MapPoint location = MainMapView.ScreenToLocation(e.GetPosition(mv));
if (m_CurOper == CURRENTOPERATION.DrawPoint)
{
Graphic gPT = new Graphic(location, pointSymbol);
MainMapView.GraphicsOverlays[0].Graphics.Add(gPT);
}
}
private void Menu_Layers_Options_OnClick(object sender, RoutedEventArgs e)
{
OptionsWindow op = new OptionsWindow();
op.PointSymbol = pointSymbol;
op.LineSymbol = lineSymbol;
op.FillSymbol = fillSymbol;
op.ShowDialog();
}
private void Menu_Point_Draw_Line_OnClick(object sender, RoutedEventArgs e)
{
m_CurOper = CURRENTOPERATION.DrawLine;
}
private void Menu_Point_Draw_Polygon_OnClick(object sender, RoutedEventArgs e)
{
m_CurOper = CURRENTOPERATION.DrawPolygon;
}
}
}