using System;
using System.Collections.ObjectModel;
using System.Data;
using System.Web.UI;
using ThinkGeo.MapSuite.Core;
using ThinkGeo.MapSuite.WebEdition;

namespace CSSamples.Samples.Querying_Vector_Layers
{
    public partial class GetDataWhenUserClicks : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!Page.IsPostBack)
            {
                Map1.MapBackground.BackgroundBrush = new GeoSolidBrush(GeoColor.FromHtml("#E5E3DF"));
                Map1.CurrentExtent = new RectangleShape(-125, 72, 50, -46);
                Map1.MapUnit = GeographyUnit.DecimalDegree;

                WorldMapKitWmsWebOverlay worldMapKitOverlay = new WorldMapKitWmsWebOverlay();
                Map1.CustomOverlays.Add(worldMapKitOverlay);

                ShapeFileFeatureLayer worldLayer = new ShapeFileFeatureLayer(MapPath("~/SampleData/world/cntry02.shp"));
                worldLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.CreateSimpleAreaStyle(GeoColor.SimpleColors.Transparent, GeoColor.FromArgb(100, GeoColor.SimpleColors.Green));
                worldLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;

                LayerOverlay staticOverlay = new LayerOverlay("StaticOverlay");
                staticOverlay.IsBaseOverlay = false;
                staticOverlay.Layers.Add("WorldLayer", worldLayer);
                Map1.CustomOverlays.Add(staticOverlay);
            }
        }

        protected void Map1_Click(object sender, MapClickedEventArgs e)
        {
            LayerOverlay staticOverlay = (LayerOverlay)Map1.CustomOverlays["StaticOverlay"];
            foreach (Layer layer in staticOverlay.Layers)
            {
                if (layer is FeatureLayer)
                {
                    layer.Open();
                    Collection<Feature> selectedFeatures = ((FeatureLayer)layer).QueryTools.GetFeaturesContaining(e.Position, ReturningColumnsType.AllColumns);
                    if (selectedFeatures.Count > 0)
                    {
                        Collection<FeatureSourceColumn> columns = ((FeatureLayer)layer).QueryTools.GetColumns();
                        DataTable table = new DataTable();
                        foreach (FeatureSourceColumn column in columns)
                        {
                            table.Columns.Add(column.ColumnName);
                        }

                        foreach (Feature feature in selectedFeatures)
                        {
                            DataRow row = table.NewRow();
                            for (int i = 0; i < table.Columns.Count; i++)
                            {
                                row[i] = feature.ColumnValues[table.Columns[i].ColumnName];
                            }
                            table.Rows.Add(row);
                        }
                        // Your customized logic
                        break;
                    }
                    layer.Close();
                }
            }
        }
    }
}