Map component for building GIS applications (GisMap)

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
using CanvasControl;
using GDalGIS;
using System.IO;
using GeomModel;
using WorkSpace;

namespace GisControl
{
	/// <summary>
	/// Summary description for UserControl1.
	/// </summary>
	public class GisSelector : System.Windows.Forms.UserControl
	{
		private System.Windows.Forms.ColumnHeader columnHeader1;
		private System.Windows.Forms.ListView listViewGIS;
		private System.Windows.Forms.DataGrid dataGridGIS;
		private GDalGIS.DataSource m_gdal_ds;
		private Canvas canvas1;
		private string m_curr_item;
		private System.Windows.Forms.ComboBox comboBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.Splitter splitter1;
		private System.Windows.Forms.Panel panel2;
		private System.Windows.Forms.Splitter splitter2;
		private System.Windows.Forms.Panel panel3;
		private System.Windows.Forms.PropertyGrid propertyGrid1;
		private System.Windows.Forms.Panel panel4;
		private ArrayList m_gis_files = new ArrayList();

		public GDalGIS.DataSource GisDataSource 
		{
			get
			{
				return m_gdal_ds;
			}
		}
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public void Clear()
		{
			listViewGIS.Items.Clear();
			m_gdal_ds.Clear();
			//canvas1.getGeomModel().Clear();
			
		}

		public GisSelector()
		{
			// This call is required by the Windows.Forms Form Designer.
			InitializeComponent();

			// TODO: Add any initialization after the InitComponent call
			m_gdal_ds = new GDalGIS.DataSource();						
			

			dataGridGIS.CurrentCellChanged += new
				System.EventHandler(this.dataGridGIS_CurrentCellChanged);
		}
		
		private void listViewGIS_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			if (listViewGIS.SelectedItems.Count == 0)
				return;

			string lay_name = listViewGIS.SelectedItems[0].Text;
			selectCurrentLayer(lay_name);	
			
		}

		private bool selectCurrentLayer(string lay_name)
		{
			m_curr_item = lay_name;

			dataGridGIS.SetDataBinding(m_gdal_ds.getDS(),m_curr_item);
			ArrayList fl = m_gdal_ds.getFields(m_curr_item);
			
			this.comboBox1.Items.Clear();
			foreach(string it in fl)
			{
				this.comboBox1.Items.Add(it);
			}

			CanvasLayer lay = canvas1.getGeomModel().layerByName(lay_name);
			this.propertyGrid1.SelectedObject = lay;
			return true;
		}

		public void setCanvas(Canvas canv)
		{
			canvas1 = canv;
			m_gdal_ds.setCanvasModel(canvas1.getGeomModel());
			canvas1.ItemFindEvent += new CanvasControl.Canvas.ItemEventHandler(this.OnFindCanvasItem);
		}

		public void OnFindCanvasItem(object sender, GeomModel.ItemEventArgs e)
		{			
		//	statusBar1.Panels[1].Text = e.indx.ToString()+"!!!";
			GeomModel.CanvasItem item = canvas1.GetItem(e.indx);
			if(item == null)
				return;

			GeomModel.CanvasLayer lay = item.layer;
			if(lay == null)
				return;

			selectCurrentLayer(lay.Name);
			int r = m_gdal_ds.getRowOfShape(lay.Name,e.indx);			
			if(r == -1)
			{
				return;
			}

			dataGridGIS.CurrentCell = new DataGridCell(r,0);

		}

		private void dataGridGIS_CurrentCellChanged(object sender, 
			System.EventArgs e)
		{
			int id = m_gdal_ds.getShapeID(m_curr_item,dataGridGIS.CurrentCell.RowNumber);
			GeomModel.CanvasItem item = canvas1.GetItem(id);
			RectangleF rect = item.boundingBox();
			canvas1.recenter(new PointF(rect.X+rect.Width/2,
				rect.Y+rect.Height/2));
		}

		public ArrayList openGisFile(string fname)
		{
			int bar1 = WsProgressBar.Instance.Create("load file "+fname);
			ArrayList l_list = new ArrayList();
			//OpenFileDialog openFileDialog = new OpenFileDialog();
			
			//openFileDialog.ShowDialog();
			//string fname = openFileDialog.FileName;
			m_gdal_ds.open(fname);
			FileInfo f = new FileInfo(fname);
			
			ArrayList names_list = m_gdal_ds.getLayers();
			
			foreach(string it_name in names_list)
			{
				bool found = false;
				foreach (ListViewItem item in listViewGIS.Items)
				{
					if(item.Text == it_name)											
					{
						found = true;
						break;
					}
				}

				if(!found)
				{
					listViewGIS.Items.Add(it_name);
					l_list.Add(it_name);
				}
			}
			WsProgressBar.Instance.Delete(bar1);
			//DataSet ds = m_gdal_ds.getDS();

		//	dataGridGIS.SetDataBinding(ds,gis_lay_name);
		
			
			//canvas2.fitToWidget();
			return l_list;
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if( components != null )
					components.Dispose();
			}
			base.Dispose( disposing );
		}

		#region Component Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify 
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.listViewGIS = new System.Windows.Forms.ListView();
			this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
			this.dataGridGIS = new System.Windows.Forms.DataGrid();
			this.label1 = new System.Windows.Forms.Label();
			this.comboBox1 = new System.Windows.Forms.ComboBox();
			this.panel1 = new System.Windows.Forms.Panel();
			this.panel2 = new System.Windows.Forms.Panel();
			this.splitter1 = new System.Windows.Forms.Splitter();
			this.splitter2 = new System.Windows.Forms.Splitter();
			this.panel3 = new System.Windows.Forms.Panel();
			this.propertyGrid1 = new System.Windows.Forms.PropertyGrid();
			this.panel4 = new System.Windows.Forms.Panel();
			((System.ComponentModel.ISupportInitialize)(this.dataGridGIS)).BeginInit();
			this.panel1.SuspendLayout();
			this.panel2.SuspendLayout();
			this.panel3.SuspendLayout();
			this.panel4.SuspendLayout();
			this.SuspendLayout();
			// 
			// listViewGIS
			// 
			this.listViewGIS.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
																						  this.columnHeader1});
			this.listViewGIS.Dock = System.Windows.Forms.DockStyle.Left;
			this.listViewGIS.Location = new System.Drawing.Point(0, 0);
			this.listViewGIS.Name = "listViewGIS";
			this.listViewGIS.Size = new System.Drawing.Size(104, 136);
			this.listViewGIS.TabIndex = 0;
			this.listViewGIS.View = System.Windows.Forms.View.Details;
			this.listViewGIS.SelectedIndexChanged += new System.EventHandler(this.listViewGIS_SelectedIndexChanged);
			// 
			// columnHeader1
			// 
			this.columnHeader1.Text = "Layer";
			this.columnHeader1.Width = 92;
			// 
			// dataGridGIS
			// 
			this.dataGridGIS.DataMember = "";
			this.dataGridGIS.Dock = System.Windows.Forms.DockStyle.Fill;
			this.dataGridGIS.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGridGIS.Location = new System.Drawing.Point(0, 0);
			this.dataGridGIS.Name = "dataGridGIS";
			this.dataGridGIS.Size = new System.Drawing.Size(360, 101);
			this.dataGridGIS.TabIndex = 1;
			this.dataGridGIS.Navigate += new System.Windows.Forms.NavigateEventHandler(this.dataGridGIS_Navigate);
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 8);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(32, 16);
			this.label1.TabIndex = 1;
			this.label1.Text = "label";
			// 
			// comboBox1
			// 
			this.comboBox1.Location = new System.Drawing.Point(40, 0);
			this.comboBox1.Name = "comboBox1";
			this.comboBox1.Size = new System.Drawing.Size(72, 21);
			this.comboBox1.TabIndex = 0;
			this.comboBox1.Text = "None";
			this.comboBox1.SelectedIndexChanged += new System.EventHandler(this.comboBox1_SelectedIndexChanged);
			// 
			// panel1
			// 
			this.panel1.Controls.Add(this.panel2);
			this.panel1.Controls.Add(this.splitter1);
			this.panel1.Controls.Add(this.listViewGIS);
			this.panel1.Dock = System.Windows.Forms.DockStyle.Top;
			this.panel1.Location = new System.Drawing.Point(0, 0);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(360, 136);
			this.panel1.TabIndex = 5;
			// 
			// panel2
			// 
			this.panel2.Controls.Add(this.panel4);
			this.panel2.Controls.Add(this.propertyGrid1);
			this.panel2.Dock = System.Windows.Forms.DockStyle.Fill;
			this.panel2.Location = new System.Drawing.Point(107, 0);
			this.panel2.Name = "panel2";
			this.panel2.Size = new System.Drawing.Size(253, 136);
			this.panel2.TabIndex = 2;
			// 
			// splitter1
			// 
			this.splitter1.Location = new System.Drawing.Point(104, 0);
			this.splitter1.Name = "splitter1";
			this.splitter1.Size = new System.Drawing.Size(3, 136);
			this.splitter1.TabIndex = 1;
			this.splitter1.TabStop = false;
			// 
			// splitter2
			// 
			this.splitter2.Dock = System.Windows.Forms.DockStyle.Top;
			this.splitter2.Location = new System.Drawing.Point(0, 136);
			this.splitter2.Name = "splitter2";
			this.splitter2.Size = new System.Drawing.Size(360, 3);
			this.splitter2.TabIndex = 6;
			this.splitter2.TabStop = false;
			// 
			// panel3
			// 
			this.panel3.Controls.Add(this.dataGridGIS);
			this.panel3.Dock = System.Windows.Forms.DockStyle.Fill;
			this.panel3.Location = new System.Drawing.Point(0, 139);
			this.panel3.Name = "panel3";
			this.panel3.Size = new System.Drawing.Size(360, 101);
			this.panel3.TabIndex = 7;
			// 
			// propertyGrid1
			// 
			this.propertyGrid1.CommandsVisibleIfAvailable = true;
			this.propertyGrid1.Dock = System.Windows.Forms.DockStyle.Fill;
			this.propertyGrid1.LargeButtons = false;
			this.propertyGrid1.LineColor = System.Drawing.SystemColors.ScrollBar;
			this.propertyGrid1.Location = new System.Drawing.Point(0, 0);
			this.propertyGrid1.Name = "propertyGrid1";
			this.propertyGrid1.Size = new System.Drawing.Size(253, 136);
			this.propertyGrid1.TabIndex = 2;
			this.propertyGrid1.Text = "propertyGrid1";
			this.propertyGrid1.ViewBackColor = System.Drawing.SystemColors.Window;
			this.propertyGrid1.ViewForeColor = System.Drawing.SystemColors.WindowText;
			// 
			// panel4
			// 
			this.panel4.Controls.Add(this.label1);
			this.panel4.Controls.Add(this.comboBox1);
			this.panel4.Dock = System.Windows.Forms.DockStyle.Top;
			this.panel4.Location = new System.Drawing.Point(0, 0);
			this.panel4.Name = "panel4";
			this.panel4.Size = new System.Drawing.Size(253, 24);
			this.panel4.TabIndex = 3;
			// 
			// GisSelector
			// 
			this.Controls.Add(this.panel3);
			this.Controls.Add(this.splitter2);
			this.Controls.Add(this.panel1);
			this.Name = "GisSelector";
			this.Size = new System.Drawing.Size(360, 240);
			((System.ComponentModel.ISupportInitialize)(this.dataGridGIS)).EndInit();
			this.panel1.ResumeLayout(false);
			this.panel2.ResumeLayout(false);
			this.panel3.ResumeLayout(false);
			this.panel4.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		private void dataGridGIS_Navigate(object sender, System.Windows.Forms.NavigateEventArgs ne)
		{
		
		}

		public string GetLabel(string lay_name)
		{
			if(m_layers_labels.ContainsKey(lay_name))
				return (string)m_layers_labels[lay_name];

			return "None";
		}
		
		SortedList m_layers_labels = new SortedList();

		public bool SetLabel(string layer_name,string label)
		{
			int bar1 = WsProgressBar.Instance.Create("load label "+layer_name+":"+label);
			m_gdal_ds.setLabel(layer_name,label);
			WsProgressBar.Instance.Delete(bar1);
			if(!m_layers_labels.ContainsKey(layer_name))
				m_layers_labels.Add(layer_name,label);
			else
				m_layers_labels[layer_name] = label;

			return true;
		}
		

		private void comboBox1_SelectedIndexChanged(object sender, System.EventArgs e)
		{	
			SetLabel(this.m_curr_item,comboBox1.SelectedItem.ToString());
		}
		
	}
}