ScaleandPointers.cs

#region Copyright Syncfusion Inc. 2001-2019.
// Copyright Syncfusion Inc. 2001-2019. 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 System.Collections.Generic;
using System.Drawing;

#if __UNIFIED__
using Foundation;
using UIKit;
using CoreGraphics;

#else
using MonoTouch.Foundation;
using MonoTouch.UIKit;
using MonoTouch.CoreGraphics;
using nint = System.Int32;
using nuint = System.Int32;
using CGSize = System.Drawing.SizeF;
using CGRect = System.Drawing.RectangleF;
using nfloat  = System.Single;
#endif
using Syncfusion.SfGauge.iOS;
namespace SampleBrowser
{
    public class ScaleandPointers:SampleView
    {
        SFLinearGauge linearGauge;
		SFLinearScale scale;
		UIPickerView opposed;
		UIPickerView rangeCap;
		UIPickerView markerShape;
		UIView option = new UIView();
		SFSymbolPointer pointer;
		SFBarPointer pointer1;

        static bool UserInterfaceIdiomIsPhone
        {
            get { return UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Phone; }
        }

        #region View lifecycle
        public override void LayoutSubviews()
        {
                foreach (var view in this.Subviews)
                {
                    view.Frame = Bounds;
                    linearGauge.Frame = new CGRect(0, -20, this.Frame.Size.Width, this.Frame.Size.Height + 20);
                }
           
            base.LayoutSubviews();
        }
        public ScaleandPointers()
        {
            opposed = new UIPickerView();
			rangeCap = new UIPickerView();
			markerShape = new UIPickerView();

            //LinearGauge
            this.BackgroundColor = UIColor.White;

            linearGauge = new SFLinearGauge();
            linearGauge.BackgroundColor = UIColor.White;
            linearGauge.Header = new SFLinearLabel();


			scale  = new SFLinearScale();
            scale.Minimum = 0;
            scale.Maximum = 100;
            scale.Interval = 10;
            scale.CornerRadius = 20;
            scale.CornerRadiusType = CornerRadiusType.End;
            scale.ScaleBarSize = 40;
            scale.LabelColor = UIColor.FromRGB(66, 66, 66);
            scale.LabelFont = UIFont.FromName("Helvetica", 14f);
            scale.MinorTicksPerInterval = 1;
			scale.MinorTickSettings.Length = 8;
            scale.ScaleBarColor = UIColor.FromRGB(224,233,249);

            SFLinearTickSettings major = new SFLinearTickSettings();
            major.Thickness = 1f;
            major.Length = 10;
            major.Color = UIColor.FromRGB(158, 158, 158);
            scale.MajorTickSettings = major;


            pointer = new SFSymbolPointer();
            pointer.SymbolPosition = SymbolPointerPosition.Away;
            pointer.Thickness = 12;
            pointer.Value = 30;
            pointer.Color = UIColor.FromRGB(91, 134, 229);
			pointer.MarkerShape = MarkerShape.Triangle;
            scale.Pointers.Add(pointer);

            pointer1 = new SFBarPointer();
            pointer1.Value = 75;
            pointer1.CornerRadiusValue = 15;
            pointer1.CornerRadiusType = CornerRadiusType.End;
			pointer1.Thickness = 30;

            GaugeGradientStop color1 = new GaugeGradientStop();
            color1.Value = 0;
            color1.Color = UIColor.FromRGB(54, 209, 220);
            pointer1.GradientStops.Add(color1);

            GaugeGradientStop color2 = new GaugeGradientStop();
            color2.Value = 75;
            color2.Color = UIColor.FromRGB(91, 134, 229);
            pointer1.GradientStops.Add(color2);

            scale.Pointers.Add(pointer1);

            linearGauge.Scales.Add(scale);

            this.AddSubview(linearGauge);
			CreateOptionView();
			this.OptionView = option;
        }

		private void CreateOptionView()
		{

			UILabel text1 = new UILabel();
			text1.Text = "Opposite position";
			text1.TextAlignment = UITextAlignment.Left;
			text1.TextColor = UIColor.Black;
			text1.Frame = new CGRect(10, 10, 320, 40);
			text1.Font = UIFont.FromName("Helvetica", 14f);

			List<string> position = new List<string> { "True", "False" };
			var picker = new OpposedPickerModel(position);

			opposed.Model = picker;
			opposed.SelectedRowInComponent(0);
			opposed.Frame = new CGRect(10, 50, 200, 40);
			picker.ValueChanged += (sender, e) =>
			 {
				 if (picker.SelectedValue == "True")
					 scale.OpposedPosition = true;
				 else if (picker.SelectedValue == "False")
					 scale.OpposedPosition = false;
			 };

			UILabel text2 = new UILabel();
			text2.Text = "Range Cap";
			text2.TextAlignment = UITextAlignment.Left;
			text2.TextColor = UIColor.Black;
			text2.Frame = new CGRect(10, 90, 320, 40);
			text2.Font = UIFont.FromName("Helvetica", 14f);


			List<string> position1 = new List<string> { "Start", "End", "Both", "None" };
			var picker1 = new RangePickerModel(position1);

			rangeCap.Model = picker1;
			rangeCap.Frame = new CGRect(10, 140, 200, 40);
			picker1.ValueChanged += (sender, e) =>
			{
				if (picker1.SelectedValue == "Start")
				{
					pointer1.CornerRadiusType = CornerRadiusType.Start;
					scale.CornerRadiusType = CornerRadiusType.Start;
				}
				else if (picker1.SelectedValue == "End")
				{
					pointer1.CornerRadiusType = CornerRadiusType.End;
					scale.CornerRadiusType = CornerRadiusType.End;
				}
				else if (picker1.SelectedValue == "Both")
				{
					pointer1.CornerRadiusType = CornerRadiusType.Both;
					scale.CornerRadiusType = CornerRadiusType.Both;
				}
				else if (picker1.SelectedValue == "None")
				{
					pointer1.CornerRadiusType = CornerRadiusType.None;
					scale.CornerRadiusType = CornerRadiusType.None;
				}
			};

			UILabel text3 = new UILabel();
			text3.Text = "Marker Shape";
			text3.TextAlignment = UITextAlignment.Left;
			text3.TextColor = UIColor.Black;
			text3.Frame = new CGRect(10, 180, 320, 40);
			text3.Font = UIFont.FromName("Helvetica", 14f);

			List<string> position2 = new List<string> { "Triangle", "Inverted Triangle", "Circle", "Diamond", "Rectangle", "Image" };
			var picker2 = new MarkerPickerModel(position2);

			markerShape.Model = picker2;
			markerShape.SelectedRowInComponent(0);
			markerShape.Frame = new CGRect(10, 220, 250, 40);
			picker2.ValueChanged += (sender, e) =>
						 {
							 if (picker2.SelectedValue == "Triangle")
								 pointer.MarkerShape = MarkerShape.Triangle;
							 else if (picker2.SelectedValue == "Inverted Triangle")
								 pointer.MarkerShape = MarkerShape.InvertedTriangle;
							 else if (picker2.SelectedValue == "Circle")
								 pointer.MarkerShape = MarkerShape.Circle;
							 else if (picker2.SelectedValue == "Diamond")
								 pointer.MarkerShape = MarkerShape.Diamond;
							 else if (picker2.SelectedValue == "Rectangle")
								 pointer.MarkerShape = MarkerShape.Rectangle;
							 else if (picker2.SelectedValue == "Image")
							 {
								 pointer.MarkerShape = MarkerShape.Image;
								 pointer.ImageSource = "location.png";
							 }
						 };

			this.option.AddSubview(text1);
			this.option.AddSubview(opposed);
			this.option.AddSubview(text2);
			this.option.AddSubview(rangeCap);
			this.option.AddSubview(text3);
			this.option.AddSubview(markerShape);
		}

        #endregion
    }

	public class OpposedPickerModel : UIPickerViewModel
	{
		List<string> position;
		public EventHandler ValueChanged;
		public string SelectedValue;

		public OpposedPickerModel(List<string> position)
		{
			this.position = position;
		}

		public override nint GetRowsInComponent(UIPickerView pickerView, nint component)
		{
			return position.Count;
		}

		public override nint GetComponentCount(UIPickerView pickerView)
		{
			return 1;
		}

		public override string GetTitle(UIPickerView pickerView, nint row, nint component)
		{
			return position[(int)row]; ;
		}

        public override UIView GetView(UIPickerView pickerView, nint row, nint component, UIView view)
        {
            UILabel label = new UILabel(new Rectangle(0, 0, 130, 40));
            label.TextColor = UIColor.Black;
            label.Font = UIFont.FromName("Helvetica", 14f);
            label.TextAlignment = UITextAlignment.Center;
            label.Text = position[(int)row];
            return label;
        }

        public override void Selected(UIPickerView pickerView, nint row, nint component)
		{
			var position1 = position[(int)row];
			SelectedValue = position1;
			ValueChanged?.Invoke(null, null);
		}
	}

	public class RangePickerModel : UIPickerViewModel
	{
		List<string> position;
		public EventHandler ValueChanged;
		public string SelectedValue;

public RangePickerModel(List<string> position)
		{
			this.position = position;
		}

		public override nint GetRowsInComponent(UIPickerView pickerView, nint component)
		{
			return position.Count;
		}

		public override nint GetComponentCount(UIPickerView pickerView)
		{
			return 1;
		}

		public override string GetTitle(UIPickerView pickerView, nint row, nint component)
		{
			return position[(int)row]; ;
		}

        public override UIView GetView(UIPickerView pickerView, nint row, nint component, UIView view)
        {
            UILabel label = new UILabel(new Rectangle(0, 0, 130, 40));
            label.TextColor = UIColor.Black;
            label.Font = UIFont.FromName("Helvetica", 14f);
            label.TextAlignment = UITextAlignment.Center;
            label.Text = position[(int)row];
            return label;
        }

        public override void Selected(UIPickerView pickerView, nint row, nint component)
		{
			var position1 = position[(int)row];
			SelectedValue = position1;
			ValueChanged?.Invoke(null, null);
		}
	}

	public class MarkerPickerModel : UIPickerViewModel
	{
		List<string> position;
		public EventHandler ValueChanged;
		public string SelectedValue;

		public MarkerPickerModel(List<string> position)
		{
			this.position = position;
		}

		public override nint GetRowsInComponent(UIPickerView pickerView, nint component)
		{
			return position.Count;
		}

		public override nint GetComponentCount(UIPickerView pickerView)
		{
			return 1;
		}

		public override string GetTitle(UIPickerView pickerView, nint row, nint component)
		{
			return position[(int)row]; ;
		}

        public override UIView GetView(UIPickerView pickerView, nint row, nint component, UIView view)
        {
            UILabel label = new UILabel(new Rectangle(0, 0, 130, 40));
            label.TextColor = UIColor.Black;
            label.Font = UIFont.FromName("Helvetica", 14f);
            label.TextAlignment = UITextAlignment.Center;
            label.Text = position[(int)row];
            return label;
        }

        public override void Selected(UIPickerView pickerView, nint row, nint component)
		{
			var position1 = position[(int)row];
			SelectedValue = position1;
			ValueChanged?.Invoke(null, null);
		}
	}
}