/*
 * GraphicEditExport.java
 *
 * Created on 24 czerwiec 2003, 01:48
 */

package com.obrctm.openmap.editor;

import java.io.*;
import javax.swing.*;
import java.util.*;
import java.awt.*;

import com.bbn.openmap.Environment;
import com.bbn.openmap.omGraphics.*;

/**
 *
 * @author  kpiot
 */
public class GraphicEditImport {
    
    /**
     * The path where the files should be written.
     */
    protected String fileName = "NoName";
    
    /** Creates a new instance of GraphicEditImport */
    public GraphicEditImport() {
    }
    
    public OMGraphicList importFromFile() {       
	  String lFilePath = getFilePathFromUser();
	  if (lFilePath == null)  return null;
          fileName = lFilePath;
          return importFromFile(lFilePath);        
    }
    
    public OMGraphicList importFromFile(String inputFileName) {

          try {
             ObjectInputStream in = new ObjectInputStream(new FileInputStream(inputFileName));
             String opis = (String)in.readObject();
             OMGraphicList list = (OMGraphicList)in.readObject();
             Iterator ite = list.iterator();
             while(ite.hasNext()) {
                  BasicStroke lBasicStroke = new BasicStroke(in.readFloat(),in.readInt(),in.readInt(),in.readFloat(),(float[])in.readObject(),in.readFloat());
                  OMGraphic lOMGraphic = (OMGraphic)ite.next();
                  lOMGraphic.setStroke((Stroke)lBasicStroke);
                  if (lOMGraphic instanceof OMRangeRings) {
                      ((OMRangeRings)lOMGraphic).setNeedToRegenerate(true);
// Działa poprawnie równiez bez jawnego przywrócenia poniższych parametrow, chociaż 
// w klasie com.bbn.openmap.omGraphic.DrawingAttributes pola: 
//     protected Stroke stroke = null;
// oraz 
//    protected BasicStrokeEditor bse;
// należy ustawić na transient !!!!!
//    protected transient Stroke stroke = null;
// oraz
//    protected transient BasicStrokeEditor bse;                       
//                        ((OMRangeRings)lOMGraphic).drawingAttributes.setStroke((Stroke)lBasicStroke);
//                        ((OMRangeRings)lOMGraphic).drawingAttributes.getBasicStrokeEditor();
                  }

              }
              return(list);
//              list.generate(getProjection());
//              setList(list);
            } catch (Exception e) { 
                e.printStackTrace();
          }
          return null;
     } 
    
   
    /**
     * Fetches a file path from the user, via a JFileChooser.  Returns
     * null if the user cancels.
     */
    public String getFilePathFromUser() {
	String ret = null;
	try {
	    //setup the file chooser
	    File startingPoint = new File(Environment.get("lastchosendirectory", System.getProperty("user.home")));
	    JFileChooser chooser = new JFileChooser(startingPoint);

	    chooser.setDialogTitle("Select GraphicEditorFile Set Name...");

	    int state = chooser.showSaveDialog(null);
	    //only bother trying to read the file if there is one
	    //for some reason, the APPROVE_OPTION said it was a
	    //boolean during compile and didn't work in this next
	    //statement
	    if ((state != JFileChooser.CANCEL_OPTION) && 
		(state != JFileChooser.ERROR_OPTION)) {

		ret = chooser.getSelectedFile().getCanonicalPath();

		//store the selected file for later
		Environment.set("lastchosendirectory", ret);
	    } else {
		// no need to try to continue if the user doesn't
		// actually pick a filename
	    }
	} catch (IOException ioe) {
            StringBuffer sb = new StringBuffer("GraphicEditor Import Error:");
            sb.append("\nProblem with open the graphiceditorfile get.");
            sb.append("\n" + ioe.toString());
	
            JOptionPane.showMessageDialog(null, sb.toString(), "GraphicEditor Import from File", JOptionPane.ERROR_MESSAGE);
            ioe.printStackTrace();
	}
	return ret;
    }

}