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AJAX Enabled Google Maps ASP.NET Control

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12 Jul 2010CPOL3 min read 52.2K   2.9K   76  
Using the Google Maps API on server side with AJAX support.
using System;
using System.Collections.Generic;
using System.Text;
using System.Globalization;

namespace GoogleMap
{
    public delegate void MarkerClickedEventHandler(string MarkerId);

    public class Marker
    {
        //public event MarkerClickedEventHandler MarkerClicked;

        private string markerid;

        private double latitude;
        private double longtitude;
        private string imgsrc = null;
        private uint? imgh;
        private uint? imgw;
        private string tooltip;

        private bool infoWindowOnClick = false;
        private string infoWindowContentHtml = null;
        private bool visible = true;
        private bool draggable = false;

        public bool Draggable
        {
            get { return draggable; }
            set { draggable = value; }
        }       

        public bool Visible
        {
            get { return visible; }
            set { visible = value; }
        }

        public bool InfoWindowOnClick
        {
            get { return infoWindowOnClick; }
            set { infoWindowOnClick = value; }
        }

        public string InfoWindowContentHtml
        {
            get { return infoWindowContentHtml; }
            set { infoWindowContentHtml = value; }
        }

        public Marker()
        { }

        public Marker(string MarkerId, double Latitude, double Longtitude)
            : this(MarkerId, Latitude, Longtitude, null) { }

        public Marker(string MarkerId, double Latitude, double Longtitude, string ImageSrc)
            : this(MarkerId, Latitude, Longtitude, ImageSrc, null, null) { }

        public Marker(string MarkerId, double Latitude, double Longtitude, string ImageSrc, uint? ImageHeigth, uint? ImageWidth)
        {
            markerid = MarkerId;
            latitude = Latitude;
            longtitude = Longtitude;
            imgsrc = ImageSrc;
            imgh = ImageHeigth;
            imgw = ImageWidth;
        }

        public override string ToString()
        {
            string retstr = "markerid::" + markerid + ",,lat::" + latitude.ToString().Replace(",", ".") +
                ",,lng::" + longtitude.ToString().Replace(",", ".") + ",,visible::" + visible.ToString().ToLower() + 
                ",,draggable::" + draggable.ToString().ToLower();

            if (!string.IsNullOrEmpty(imgsrc)) retstr += ",,imgsrc::" + imgsrc;
            if (imgh != null) retstr += ",,imgh::" + imgh;
            if (imgw != null) retstr += ",,imgw::" + imgw;
            if (!string.IsNullOrEmpty(tooltip)) retstr += ",,tooltip::" + tooltip;
            if (InfoWindowOnClick && !string.IsNullOrEmpty(infoWindowContentHtml)) retstr += ",,infoWindowContentHtml::" + infoWindowContentHtml;

            return retstr;
        }

        public static Marker FromString(string MarkerStr)
        {
            string[] MarkerProps = MarkerStr.Split(new string[] { ",," }, StringSplitOptions.None);
            CultureInfo ciTR = new CultureInfo("tr-TR");
            Marker m = new Marker();

            foreach (string prop in MarkerProps)
            {
                string[] propArr = prop.Split(new string[] { "::" }, StringSplitOptions.None);
                if (propArr.Length != 2) continue;
                switch (propArr[0])
                {
                    case "markerid":
                        m.MarkerId = propArr[1];
                        break;

                    case "lat":
                        m.latitude = double.Parse(propArr[1].Replace(".", ","), ciTR.NumberFormat);
                        break;

                    case "lng":
                        m.longtitude = double.Parse(propArr[1].Replace(".", ","), ciTR.NumberFormat);
                        break;

                    case "visible":
                        m.visible = bool.Parse(propArr[1]);
                        break;

                    case "imgsrc":
                        m.imgsrc = propArr[1];
                        break;

                    case "imgh":
                        m.imgh = uint.Parse(propArr[1]);
                        break;

                    case "imgw":
                        m.imgw = uint.Parse(propArr[1]);
                        break;

                    case "tooltip":
                        m.tooltip = propArr[1];
                        break;

                    case "draggable":
                        m.draggable = bool.Parse(propArr[1]);
                        break;

                    case "infoWindowContentHtml":
                        m.infoWindowContentHtml = propArr[1];
                        m.infoWindowOnClick = true;
                        break;

                    default:
                        break;
                }
            }

            return m;

        }


        public string MarkerId
        {
            get { return markerid; }
            set { markerid = value; }
        }

        public double Latitude
        {
            get { return latitude; }
            set { latitude = value; }
        }

        public double Longtitude
        {
            get { return longtitude; }
            set { longtitude = value; }
        }

        public string ImgSrc
        {
            get { return imgsrc; }
            set
            {
                if (value != null)
                    if (value.Contains(",,") || value.Contains("::"))
                        throw new ArgumentException("ImageSrc not allowed to contain  ,,  or ::  ");

                imgsrc = value;
            }
        }

        public uint? ImgH
        {
            get { return imgh; }
            set
            {
                imgh = value;
            }
        }

        public uint? ImgW
        {
            get { return imgw; }
            set
            {
                imgw = value;
            }
        }

        public string Tooltip
        {
            get { return tooltip; }
            set
            {
                if (value != null)
                    if (value.Contains(",,") || value.Contains("::"))
                        throw new ArgumentException("Tooltip not allowed to contain  ,,  or ::  ");

                tooltip = value;
            }
        }
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer (Senior)
Turkey Turkey
Has BS degree on computer science, working as software engineer in istanbul.

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