From 510274879bf90d749bff5316b51e63acbf251141 Mon Sep 17 00:00:00 2001
From: PeterZhong <mail@peterzhong1219.site>
Date: Mon, 25 Nov 2024 11:40:22 +0800
Subject: [PATCH] Draw line and line symbol settings

---
 GisDevelop_Exp/MainWindow.xaml       |  2 +-
 GisDevelop_Exp/MainWindow.xaml.cs    | 24 +++++++
 GisDevelop_Exp/OptionsWindow.xaml    | 19 +++---
 GisDevelop_Exp/OptionsWindow.xaml.cs | 95 ++++++++++++++++++++++++++++
 4 files changed, 130 insertions(+), 10 deletions(-)

diff --git a/GisDevelop_Exp/MainWindow.xaml b/GisDevelop_Exp/MainWindow.xaml
index a93d6b3..191babe 100644
--- a/GisDevelop_Exp/MainWindow.xaml
+++ b/GisDevelop_Exp/MainWindow.xaml
@@ -38,7 +38,7 @@
                 <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" MouseLeftButtonDown="MainMapView_OnMouseLeftButtonDown"/>
+        <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" MouseRightButtonDown="MainMapView_OnMouseRightButtonDown"/>
         <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/>
diff --git a/GisDevelop_Exp/MainWindow.xaml.cs b/GisDevelop_Exp/MainWindow.xaml.cs
index a6f3f6e..66c1c8b 100644
--- a/GisDevelop_Exp/MainWindow.xaml.cs
+++ b/GisDevelop_Exp/MainWindow.xaml.cs
@@ -24,6 +24,7 @@ using Esri.ArcGISRuntime.UI.Controls;
 using Color = System.Drawing.Color;
 using Geometry = Esri.ArcGISRuntime.Geometry.Geometry;
 using Polygon = Esri.ArcGISRuntime.Geometry.Polygon;
+using Polyline = Esri.ArcGISRuntime.Geometry.Polyline;
 
 enum CURRENTOPERATION
 {
@@ -668,6 +669,23 @@ namespace GisDevelop_Exp
                 Graphic gPT = new Graphic(location, pointSymbol);
                 MainMapView.GraphicsOverlays[0].Graphics.Add(gPT);
             }
+            else if (m_CurOper == CURRENTOPERATION.DrawLine)
+            {
+                linePoints.Add(location);
+                if (linePoints.Count > 1)
+                {
+                    if (linesList.Count > 0)
+                    {
+                        Graphic curGraphic = linesList[linesList.Count - 1];
+                        MainMapView.GraphicsOverlays[0].Graphics.Remove(curGraphic);
+                        linesList.Remove(curGraphic);
+                    }
+                    Polyline line = new Polyline(linePoints);
+                    Graphic lineGraphic = new Graphic(line, lineSymbol);
+                    MainMapView.GraphicsOverlays[0].Graphics.Add(lineGraphic);
+                    linesList.Add(lineGraphic);
+                }
+            }
         }
 
         private void Menu_Layers_Options_OnClick(object sender, RoutedEventArgs e)
@@ -682,11 +700,17 @@ namespace GisDevelop_Exp
         private void Menu_Point_Draw_Line_OnClick(object sender, RoutedEventArgs e)
         {
             m_CurOper = CURRENTOPERATION.DrawLine;
+            linePoints.Clear();
         }
 
         private void Menu_Point_Draw_Polygon_OnClick(object sender, RoutedEventArgs e)
         {
             m_CurOper = CURRENTOPERATION.DrawPolygon;
         }
+
+        private void MainMapView_OnMouseRightButtonDown(object sender, MouseButtonEventArgs e)
+        {
+            m_CurOper = CURRENTOPERATION.NullOpe;
+        }
     }
 }
\ No newline at end of file
diff --git a/GisDevelop_Exp/OptionsWindow.xaml b/GisDevelop_Exp/OptionsWindow.xaml
index 2da5c67..b96e1a0 100644
--- a/GisDevelop_Exp/OptionsWindow.xaml
+++ b/GisDevelop_Exp/OptionsWindow.xaml
@@ -34,9 +34,10 @@
                     </Canvas>
                 </Grid>
             </TabItem>
-            <TabItem Header="线符号">
+            <TabItem Header="线符号" Loaded="FrameworkElement_OnLoaded">
                 <Grid Background="#FFE5E5E5">
-                    <ComboBox HorizontalAlignment="Left" Margin="24,49,0,0" VerticalAlignment="Top" Width="305">
+                    <Label Content="线型：" HorizontalAlignment="Left" Margin="24,25,0,0" VerticalAlignment="Top"></Label>
+                    <ComboBox x:Name="ComboBox_Line_Style" HorizontalAlignment="Left" Margin="24,49,0,0" VerticalAlignment="Top" Width="305" SelectionChanged="ComboBox_Line_Style_OnSelected">
                         <ComboBoxItem x:Name="ComboBoxItem_Line_Solid" Content="实线"/>
                         <ComboBoxItem x:Name="ComboBoxItem_Line_Dash" Content="虚线"/>
                         <ComboBoxItem x:Name="ComboBoxItem_Line_Dot" Content="点线"/>
@@ -44,13 +45,13 @@
                         <ComboBoxItem x:Name="ComboBoxItem_Line_DashDotDot" Content="虚-点-点线"/>
                         <ComboBoxItem x:Name="ComboBoxItem_Line_Null" Content="空"/>
                     </ComboBox>
-                    <Label Content="宽度：" HorizontalAlignment="Left" Margin="24,97,0,0" VerticalAlignment="Top"/>
-                    <Slider x:Name="Slider_Line_Width" HorizontalAlignment="Left" Margin="24,128,0,0" VerticalAlignment="Top" Width="305"/>
-                    <Label Content="颜色：" HorizontalAlignment="Left" Margin="24,179,0,0" VerticalAlignment="Top"/>
-                    <Label x:Name="Label_Line_Color" Content="" HorizontalAlignment="Left" Margin="28,210,0,0" VerticalAlignment="Top" Width="301" Background="White"/>
-                    <Button x:Name="Btn_Line_Confirm" Content="确定" HorizontalAlignment="Left" Margin="28,285,0,0" VerticalAlignment="Top" Height="20" Width="75"/>
-                    <Button x:Name="Btn_Line_Apply" Content="应用" HorizontalAlignment="Left" Margin="128,285,0,0" VerticalAlignment="Top" Height="20" Width="75"/>
-                    <Button x:Name="Btn_Line_Cancel" Content="取消" HorizontalAlignment="Left" Margin="236,285,0,0" VerticalAlignment="Top" Height="20" Width="75"/>
+                    <Label x:Name="Label_Line_Width" Content="宽度：" HorizontalAlignment="Left" Margin="24,97,0,0" VerticalAlignment="Top"/>
+                    <Slider x:Name="Slider_Line_Width" HorizontalAlignment="Left" Margin="24,128,0,0" VerticalAlignment="Top" Width="305" ValueChanged="Slider_Line_Width_OnValueChanged"/>
+                    <Label Content="颜色：" HorizontalAlignment="Left" Margin="24,179,0,0" VerticalAlignment="Top" MouseLeftButtonUp="UIElement_OnMouseLeftButtonUp"/>
+                    <Label x:Name="Label_Line_Color" Content="" HorizontalAlignment="Left" Margin="28,210,0,0" VerticalAlignment="Top" Width="301" Background="White" MouseLeftButtonUp="UIElement_OnMouseLeftButtonUp"/>
+                    <Button x:Name="Btn_Line_Confirm" Content="确定" HorizontalAlignment="Left" Margin="28,285,0,0" VerticalAlignment="Top" Height="20" Width="75" Click="Btn_Line_Confirm_OnClick"/>
+                    <Button x:Name="Btn_Line_Apply" Content="应用" HorizontalAlignment="Left" Margin="128,285,0,0" VerticalAlignment="Top" Height="20" Width="75" Click="Btn_Line_Apply_OnClick"/>
+                    <Button x:Name="Btn_Line_Cancel" Content="取消" HorizontalAlignment="Left" Margin="236,285,0,0" VerticalAlignment="Top" Height="20" Width="75" Click="Btn_Line_Cancel_OnClick"/>
                 </Grid>
             </TabItem>
             <TabItem Header="面符号">
diff --git a/GisDevelop_Exp/OptionsWindow.xaml.cs b/GisDevelop_Exp/OptionsWindow.xaml.cs
index 07d1bd1..e8bb20c 100644
--- a/GisDevelop_Exp/OptionsWindow.xaml.cs
+++ b/GisDevelop_Exp/OptionsWindow.xaml.cs
@@ -188,6 +188,9 @@ namespace GisDevelop_Exp
 
         private void Btn_Point_Confirm_OnClick(object sender, RoutedEventArgs e)
         {
+            PointSymbol.Color = pointColor;
+            PointSymbol.Style = pointStyle;
+            PointSymbol.Size = pointSize;
             this.DialogResult = true;
         }
 
@@ -204,5 +207,97 @@ namespace GisDevelop_Exp
         {
             this.DialogResult = false;
         }
+
+        private void FrameworkElement_OnLoaded(object sender, RoutedEventArgs e)
+        {
+            System.Windows.Media.Color color = System.Windows.Media.Color.FromArgb(lineColor.A, lineColor.R, lineColor.G, lineColor.B);
+            Label_Line_Color.Background = new SolidColorBrush(color);
+            Slider_Line_Width.Value = Convert.ToInt32(lineSymbol.Width);
+            switch (lineStyle)
+            {
+                case SimpleLineSymbolStyle.Solid:
+                    ComboBox_Line_Style.SelectedIndex = 0;
+                    break;
+                case SimpleLineSymbolStyle.Dash:
+                    ComboBox_Line_Style.SelectedIndex = 1;
+                    break;
+                case SimpleLineSymbolStyle.Dot:
+                    ComboBox_Line_Style.SelectedIndex = 2;
+                    break;
+                case SimpleLineSymbolStyle.DashDot:
+                    ComboBox_Line_Style.SelectedIndex = 3;
+                    break;
+                case SimpleLineSymbolStyle.DashDotDot:
+                    ComboBox_Line_Style.SelectedIndex = 4;
+                    break;
+                case SimpleLineSymbolStyle.Null:
+                    ComboBox_Line_Style.SelectedIndex = 0;
+                    break;
+            }
+        }
+
+        private void Slider_Line_Width_OnValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
+        {
+            Label_Line_Width.Content="宽度："+e.NewValue.ToString();
+            lineSize = e.NewValue;
+        }
+
+        private void UIElement_OnMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
+        {
+            System.Windows.Forms.ColorDialog colorDialog = new System.Windows.Forms.ColorDialog();
+            SolidColorBrush colorBrush = (SolidColorBrush)Label_Line_Color.Background;
+            colorDialog.Color = System.Drawing.Color.FromArgb(colorBrush.Color.A, colorBrush.Color.R, colorBrush.Color.G, colorBrush.Color.B);
+            if (colorDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
+            {
+                lineColor = colorDialog.Color;
+                System.Windows.Media.Color color = System.Windows.Media.Color.FromArgb(pointColor.A, pointColor.R, pointColor.G, pointColor.B);
+                Label_Line_Color.Background = new SolidColorBrush(color);
+            }
+        }
+
+        private void Btn_Line_Confirm_OnClick(object sender, RoutedEventArgs e)
+        {
+            LineSymbol.Style = lineStyle;
+            LineSymbol.Color = lineColor;
+            LineSymbol.Width = lineSize;
+            this.DialogResult = true;
+        }
+
+        private void Btn_Line_Apply_OnClick(object sender, RoutedEventArgs e)
+        {
+            LineSymbol.Style = lineStyle;
+            LineSymbol.Color = lineColor;
+            LineSymbol.Width = lineSize;
+        }
+
+        private void Btn_Line_Cancel_OnClick(object sender, RoutedEventArgs e)
+        {
+            this.DialogResult = false;
+        }
+
+        private void ComboBox_Line_Style_OnSelected(object sender, RoutedEventArgs e)
+        {
+            switch (ComboBox_Line_Style.SelectedIndex)
+            {
+                case 0:
+                    lineStyle = SimpleLineSymbolStyle.Solid;
+                    break;
+                case 1:
+                    lineStyle = SimpleLineSymbolStyle.Dash;
+                    break;
+                case 2:
+                    lineStyle = SimpleLineSymbolStyle.Dot;
+                    break;
+                case 3:
+                    lineStyle = SimpleLineSymbolStyle.DashDot;
+                    break;
+                case 4:
+                    lineStyle = SimpleLineSymbolStyle.DashDotDot;
+                    break;
+                case 5:
+                    lineStyle  = SimpleLineSymbolStyle.Null;
+                    break;
+            }
+        }
     }
 }