/*
    * this class is for generating a java.awt.Rectangle using interface ShapeBean and the method genShape(...)
    * the rectngle (Shape) will be using to define a clickable part on the ImageIcon
    * all methods set and get and constructor without argument are for generating a xml file with java.beans.XMLEncoder
    */
   package org.lsst.ccs.utilities.zonesui;
   
   import java.awt.Shape;
   
  /**
   *
   * @author Pascal Durieu
   */
  public class ZPolygon implements ShapeBean{
      private String[] pointCoords;
      
      public ZPolygon() {}
      
      public ZPolygon (String... str) {
          this.pointCoords = str;
      }
      
      //get method
      public String[] getPoints () {return this.pointCoords;}
      public void setPoints(String... st) {this.pointCoords = st;}
      
      //must repeat the first point at the end of the array for generating the polygon
      //size of array is +1
      public int getNbPoint () {
          return (pointCoords.length+1);
          
      }    
      public int[][] getXY() {
          int[][] tabXY = new int[getNbPoint()][2];
          for (int i=0;i<(getNbPoint()-1);i++) {
              String[] coords = pointCoords[i].split(",");            
              tabXY[i][0] = Integer.parseInt(coords[0]);
              tabXY[i][1] = Integer.parseInt(coords[1]);
          }
          //repeat the first element to the last (cf Polygon class constructor's)
          tabXY[getNbPoint()-1][0] = tabXY[0][0];
          tabXY[getNbPoint()-1][1] = tabXY[0][1];
           
          return tabXY;
      }
      
      public int[] getX(int[][] tab) {
          int[] tabX = new int[tab.length];
          for (int i=0;i<tab.length;i++) {
              tabX[i] = tab[i][0];
          }
          return tabX;
      }
      public int[] getY(int[][] tab) {
          int[] tabY = new int[tab.length];   
          for (int i=0;i<tab.length;i++) {
              tabY[i] = tab[i][1];         
          }
          return tabY;
      }
          
      //method from ShapeBean interface to generate a Shape
      @Override
      public Shape genShape() {
          return new java.awt.Polygon(getX(getXY()),getY(getXY()),getNbPoint() );
      }
      @Override
      public String toString() {      
          int[] ix = getX(getXY());
          int[] iy = getY(getXY());
          String str = "APolygon with "+ getNbPoint()+" points:";
          for (int i=0;i<getNbPoint();i++) {
              str += " ("+ix[i]+","+iy[i]+")";
          }
          return str;
      }
      
  }