ColorMappings.cs

#region Copyright Syncfusion Inc. 2001-2024.
// Copyright Syncfusion Inc. 2001-2024. All rights reserved.
// Use of this code is subject to the terms of our license.
// A copy of the current license can be obtained at any time by e-mailing
// licensing@syncfusion.com. Any infringement will be prosecuted under
// applicable laws. 
#endregion
using System;
using Com.Syncfusion.Maps;
using Org.Json;
using System.Collections.Generic;
using Android.Graphics;
using Android.Widget;
using Android.OS;
using Com.Syncfusion.Sfbusyindicator;
using Com.Syncfusion.Sfbusyindicator.Enums;
using Android.Content;
using Android.Views;

namespace SampleBrowser
{
	public class ColorMappings : SamplePage
	{
		SfMaps maps;
		Handler handler;
        public override Android.Views.View GetSampleContent (Android.Content.Context context)
		{
			handler = new Handler();
			LinearLayout layout = new LinearLayout(context);
            TextView textView = new TextView(context);
            textView.TextSize = 16;
            textView.SetPadding(10, 20, 0, 0);
            textView.SetHeight(90);

            textView.Text = "Primary Agricultural Activity of USA";
            layout.AddView(textView);
            textView.Gravity = Android.Views.GravityFlags.Top;

            layout.Orientation = Orientation.Vertical;
			maps = new SfMaps (context);
            
            ShapeFileLayer layer = new ShapeFileLayer();
			layer.Uri ="usa_state.shp";
            
            layer.ShapeIdTableField ="STATE_NAME";
			layer.ShapeIdPath ="Name";
			layer.DataSource = GetDataSource ();
            layer.ShapeSettings.ShapeColorValuePath = "Type";
            layer.ShapeSettings.ShapeFill = Color.ParseColor("#A9D9F7");
            SetColorMapping(layer.ShapeSettings);

            LayerCustomTooltipSetting layerCustomTooltip = new LayerCustomTooltipSetting(context);
            layerCustomTooltip.ShowTooltip = true;
            layer.TooltipSettings = layerCustomTooltip;

            layer.LegendSetting = new LegendSetting (){ ShowLegend = true, ItemMargin = 0 };			
			
			maps.Layers.Add (layer);

			SfBusyIndicator sfBusyIndicator = new SfBusyIndicator(context);
			sfBusyIndicator.IsBusy = true;
			sfBusyIndicator.AnimationType = AnimationTypes.SlicedCircle;
			sfBusyIndicator.ViewBoxWidth = 50;
			sfBusyIndicator.ViewBoxHeight = 50;
			sfBusyIndicator.TextColor = Color.ParseColor("#779772");

			layout.AddView(sfBusyIndicator);
			Java.Lang.Runnable run = new Java.Lang.Runnable(() =>
				 {
					 layout.RemoveView(sfBusyIndicator);
					 layout.AddView(maps);

				 });
			handler.PostDelayed(run, 100);

			return layout;
		}

       

        JSONArray GetDataSource()
		{
			JSONArray array = new JSONArray ();

			array.Put(getJsonObject("Alabama", "Vegetables", 9 ));
			array.Put(getJsonObject( "Alaska", "Vegetables", 3 ));
			array.Put(getJsonObject( "Arizona", "Rice", 11 ));
			array.Put(getJsonObject( "Arkansas", "Vegetables", 6 ));
			array.Put(getJsonObject( "California", "Rice", 55 ));
			array.Put(getJsonObject( "Colorado", "Rice", 9 ));
			array.Put(getJsonObject( "Connecticut", "Grains", 7 ));
			array.Put(getJsonObject( "Delaware", "Grains", 3 ));
			array.Put(getJsonObject( "District of Columbia", "Grains", 3 ));
			array.Put(getJsonObject( "Florida", "Rice", 29 ));
			array.Put(getJsonObject( "Georgia", "Rice", 16 ));
			array.Put(getJsonObject( "Hawaii", "Grains", 4 ));
			array.Put(getJsonObject( "Idaho", "Grains", 4 ));
			array.Put(getJsonObject( "Illinois", "Vegetables", 20 ));
			array.Put(getJsonObject( "Indiana", "Grains", 11 ));
			array.Put(getJsonObject( "Iowa", "Vegetables", 6 ));
			array.Put(getJsonObject( "Kansas", "Rice", 6 ));
			array.Put(getJsonObject( "Kentucky", "Grains", 8 ));
			array.Put(getJsonObject( "Louisiana", "Rice", 8 ));
			array.Put(getJsonObject( "Maine", "Grains", 4 ));
			array.Put(getJsonObject( "Maryland", "Grains", 10 ));
			array.Put(getJsonObject( "Massachusetts", "Grains", 11 ));
			array.Put(getJsonObject( "Michigan", "Grains", 16 ));
			array.Put(getJsonObject( "Minnesota", "Wheat", 10 ));
			array.Put(getJsonObject( "Mississippi", "Vegetables", 6 ));
			array.Put(getJsonObject( "Missouri", "Vegetables", 10 ));
			array.Put(getJsonObject( "Montana", "Grains", 3 ));
			array.Put(getJsonObject( "Nebraska", "Rice", 5 ));
			array.Put(getJsonObject( "Nevada", "Wheat", 6 ));
			array.Put(getJsonObject( "New Hampshire", "Grains", 4 ));
			array.Put(getJsonObject( "New Jersey", "Vegetables", 14 ));
			array.Put(getJsonObject( "New Mexico", "Rice", 5 ));
			array.Put(getJsonObject( "New York", "Vegetables", 29 ));
			array.Put(getJsonObject( "North Carolina", "Rice", 15 ));
			array.Put(getJsonObject( "North Dakota", "Grains", 3 ));
			array.Put(getJsonObject( "Ohio", "Vegetables", 18 ));
			array.Put(getJsonObject( "Oklahoma", "Rice", 7 ));
			array.Put(getJsonObject( "Oregon", "Wheat", 7 ));
			array.Put(getJsonObject( "Pennsylvania", "Vegetables", 20 ));
			array.Put(getJsonObject( "Rhode Island", "Grains", 4 ));
			array.Put(getJsonObject( "South Carolina", "Rice", 9 ));
			array.Put(getJsonObject( "South Dakota", "Grains", 3 ));
			array.Put(getJsonObject( "Tennessee", "Vegetables", 11 ));
			array.Put(getJsonObject( "Texas", "Vegetables", 38 ));
			array.Put(getJsonObject( "Utah", "Rice", 6 ));
			array.Put(getJsonObject( "Vermont", "Grains", 3 ));
			array.Put(getJsonObject( "Virginia", "Rice", 13 ));
			array.Put(getJsonObject( "Washington", "Vegetables", 12 ));
			array.Put(getJsonObject( "West Virginia", "Grains", 5 ));
			array.Put(getJsonObject( "Wisconsin", "Grains", 10 ));
			array.Put(getJsonObject( "Wyoming", "Wheat", 3 ));
			return array;
		}

		JSONObject getJsonObject(String name,String type,double count)
		{
			JSONObject obj= new JSONObject();
			obj.Put ("Name", name);
			obj.Put ("Type", type);
			return obj;
		}

		void SetColorMapping(ShapeSetting setting)
		{
			List<ColorMapping> colorMappings= new List<ColorMapping>();

			EqualColorMapping colorMapping2= new EqualColorMapping();
			colorMapping2.Value= "Rice";
			colorMapping2.LegendLabel= "Rice";
			colorMapping2.Color =Color.ParseColor("#FD8C48");
			colorMappings.Add(colorMapping2);

			EqualColorMapping colorMapping3= new EqualColorMapping();
			colorMapping3.Value= "Wheat";
			colorMapping3.LegendLabel= "Wheat";
			colorMapping3.Color =Color.ParseColor("#E54D42");
			colorMappings.Add(colorMapping3);

			EqualColorMapping colorMapping4= new EqualColorMapping();
			colorMapping4.Value= "Grains";
			colorMapping4.LegendLabel= "Grains";
			colorMapping4.Color =Color.ParseColor("#3A99D9");
			colorMappings.Add(colorMapping4);

            EqualColorMapping colorMapping1= new EqualColorMapping();
			colorMapping1.Value= "Vegetables";
			colorMapping1.LegendLabel= "Vegetables";
			colorMapping1.Color =Color.ParseColor("#29BB9C");
			colorMappings.Add(colorMapping1);
			setting.ColorMapping = colorMappings;
		}
	}

    public class LayerCustomTooltipSetting : TooltipSetting
    {
        Context context;
        public LayerCustomTooltipSetting(Context con)
        {
            context = con;
        }

        public override View GetView(object shapeData)
        {
            LinearLayout layout = new LinearLayout(context);
            LinearLayout.LayoutParams linearlayoutParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WrapContent,
                    LinearLayout.LayoutParams.WrapContent);
            layout.Orientation = Orientation.Vertical;
            layout.LayoutParameters = linearlayoutParams;
            layout.SetGravity(GravityFlags.Center);

            TextView topLabel = new TextView(context);
            topLabel.Text = ((JSONObject)shapeData).GetString("Name");
            topLabel.TextSize = 12;
            topLabel.SetTextColor(Color.ParseColor("#FFFFFF"));
            topLabel.Gravity = GravityFlags.CenterHorizontal;

            TextView bottoLabel = new TextView(context);
            bottoLabel.Text = ((JSONObject)shapeData).GetString("Type");
            bottoLabel.TextSize = 12;
            bottoLabel.SetTextColor(Color.ParseColor("#FFFFFF"));
            bottoLabel.Gravity = GravityFlags.CenterHorizontal;

            layout.AddView(topLabel);
            layout.AddView(bottoLabel);

            return layout;
        }
    }
}