src/j3d/_Point.java

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOUSE. See the GNU
 * General Public License for more details.
 *
 * You should have recieved a copy of the GNU General Public License
 * along with this program; if not write to the Free Software
 * Foundation, inc., 59 Temple Place, Suite 330, Boston MA 02111-1307
 * USA
 */
package j3d;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.geom.Rectangle2D;
import javax.swing.tree.*;
import java.io.*;
import javax.swing.*;

import com.stevesoft.pat.Regex;

import gui.*;
/**
 * Insert the type's description here.
 *
 * @author: Yuriy Mikhaylovskiy
 */

public class _Point extends _Geometry implements Serializable{
  public float x,y,z,vx,vy,vz,x2,y2,z2;
  public Color color;
  public boolean selected = false;
  private JTextField tx,ty,tz,tvx,tvy,tvz;
  private Object[] arr = new Object[2];
  private static Regex r_index = new Regex("^ *([0-9]+) *");
  private static Regex r_x = new Regex(" X *= *([-+]?[0-9]+[.]?[0-9]*(?:[eE][-+]?[0-9]+)?) *");
  private static Regex r_y = new Regex(" Y *= *([-+]?[0-9]+[.]?[0-9]*(?:[eE][-+]?[0-9]+)?) *");
  private static Regex r_z = new Regex(" Z *= *([-+]?[0-9]+[.]?[0-9]*(?:[eE][-+]?[0-9]+)?) *");


  public String writeObject() {
      String st = new String(Id);
      st+=" \tX = " + x + "\tY = " + y + "\tZ = " + z;

      return st;
  }

  public void readObject(String st) {
      if (r_index.search(st)) Id = r_index.stringMatched(1);
      if (r_x.search(st)) x = Float.parseFloat(r_x.stringMatched(1));
      if (r_y.search(st)) y = Float.parseFloat(r_y.stringMatched(1));
      if (r_z.search(st)) z = Float.parseFloat(r_z.stringMatched(1));
  }

  public void deselectRequiredObjects() {
      // Do nothing
  }

  public void reset(boolean do_mesh) {

      x2 = x+vx; y2 = y+vy; z2 = z+vz;

  };
  public void mesh(int type, float size){}
  public boolean delete(){return selected;}

  public _Point(boolean add) {
    this(0,0,0,0,0,0,Color.black,add);
  }

  public _Point(_Point p) {
      this(p.x,p.y,p.z,p.vx,p.vy,p.vz,p.color,false);
    }

  public _Point(float xx, float yy, float zz, float vx, float vy, float vz, Color cl,boolean add) {
    this.add = add;
    x=xx;
    y=yy;
    z=zz;
    this.vx = vx;
    this.vy = vy;
    this.vz = vz;
    color=cl;
  }

  public _Point(float xx, float yy, float zz, float vx, float vy, float vz, Color cl) {
      this(xx,yy,zz,vx,vy,vz,cl,false);
    }

  public _Point(float xx, float yy, float zz, float vx, float vy, float vz) {
      this(xx,yy,zz,vx,vy,vz,Color.black,false);
    }

  public _Point(float xx, float yy, float zz, Color cl) {
      this(xx,yy,zz,0f,0f,0f,cl,false);
    }

  public _Point(float xx, float yy, float zz) {
      this(xx,yy,zz,0f,0f,0f,Color.black,false);
    }


  public Object[] get_Array(Canvas3D j3d){
    this.J3D = j3d;
    arr = new Object[2];
    arr[0] = new shpPoint(x,y,z,selected ? j3d.SELECTCOLOR : color);
    arr[1] = new shpLine(x,y,z,x2,y2,z2,selected ? j3d.SELECTCOLOR : color);
    for (int i=0; i<arr.length; i++)
        ((shp)arr[i]).setShow(show);
    return arr;
  }

  public boolean isPickPoint(int x, int y, boolean shw, boolean ogl) {
      boolean check = false;

      if (show == shw)
      for (int i=0; i< arr.length; i++)
      	check = (((shp)arr[i]).isPickPoint(x,y,ogl) == true ? true : check);

      return check;
  }

  public boolean isPickPoint(Rectangle2D r, boolean shw, boolean ogl) {
      boolean check = false;

      if (show == shw)
      for (int i=0; i< arr.length; i++)
      	check = (((shp)arr[i]).isPickPoint(r,ogl) == true ? true : check);

      return check;
  }


  public boolean isSelected(){return selected;}
  public void setSelected(boolean sel){ selected=sel; }
  public String toString(){ return "Point ID="+Id;}
  public MutableTreeNode get_TreeNode(){
    DefaultMutableTreeNode node = new DefaultMutableTreeNode(this);
    return node;
  }

  public void transform3D(Matrix3D t){
    if(!selected || processed)return;
    float xx=x*t.xx+y*t.xy+z*t.xz+t.xo;
    float yy=x*t.yx+y*t.yy+z*t.yz+t.yo;
    float zz=x*t.zx+y*t.zy+z*t.zz+t.zo;
    x=xx; y=yy; z=zz;
    xx=x2*t.xx+y2*t.xy+z2*t.xz+t.xo;
    yy=x2*t.yx+y2*t.yy+z2*t.yz+t.yo;
    zz=x2*t.zx+y2*t.zy+z2*t.zz+t.zo;
    x2=xx; y2=yy; z2=zz;
  }

  public JPanel getEditPanel(Canvas3D j3d, PreProcessor pp){
      this.J3D = j3d;
      this.PreP = pp;
      JPanel p = new JPanel(new BorderLayout());
      JPanel p1 = new JPanel(new GridLayout(3,4));
      JPanel p2 = new JPanel(new BorderLayout());
      JLabel lb = new JLabel("Edit - "+toString());
//      if (!add) {
          tx = new JTextField(x+"",3);
          ty = new JTextField(y+"",3);
          tz = new JTextField(z+"",3);
          tvx = new JTextField(vx+"",3);
          tvy = new JTextField(vy+"",3);
          tvz = new JTextField(vz+"",3);
/*      } else
      {
          tx = new JTextField("",3);
          ty = new JTextField("",3);
          tz = new JTextField("",3);
          tvx = new JTextField("",3);
          tvy = new JTextField("",3);
          tvz = new JTextField("",3);
      }*/
      lb.setForeground(Color.blue);
      JButton b_upd = new JButton(add == true?"Add":"Update");
      b_upd.addActionListener(new java.awt.event.ActionListener() {
        public void actionPerformed(ActionEvent e) {
            jButton1_actionPerformed(e);
        }
      });

      p.add(p1, BorderLayout.CENTER);
      p1.add(new JLabel());
      p1.add(new JLabel("X"));
      p1.add(new JLabel("Y"));
      p1.add(new JLabel("Z"));
      p1.add(new JLabel("Point:"));
      p1.add(tx, null);
      p1.add(ty, null);
      p1.add(tz, null);
      p1.add(new JLabel("Vector:"));
      p1.add(tvx, null);
      p1.add(tvy, null);
      p1.add(tvz, null);
      p.add(lb, BorderLayout.NORTH);
      p.add(p2,  BorderLayout.SOUTH);
      p2.add(b_upd,null);

      tx.addKeyListener(new KeyAdapter() {

          public void keyPressed(KeyEvent e) {
              checkDefaultKey(e);
          }

          public void keyTyped(KeyEvent e) {
             char c = e.getKeyChar();

             if (c == '\n') {
                 jButton1_actionPerformed(null);
                 tx.requestFocus();
                 tx.selectAll();
             }
             else
             if (c == ',') {
                  ty.requestFocus();
                  ty.selectAll();
                  e.consume();
              }

          }

      });

      ty.addKeyListener(new KeyAdapter() {

          public void keyPressed(KeyEvent e) {
              checkDefaultKey(e);
          }

          public void keyTyped(KeyEvent e) {
              char c = e.getKeyChar();

              if (c == '\n') {
                  jButton1_actionPerformed(null);
                  tx.requestFocus();
                  tx.selectAll();
              }
              else
              if (c == ',') {
                  tz.requestFocus();
                  tz.selectAll();
                  e.consume();
              }
          }
      });

      tz.addKeyListener(new KeyAdapter() {

          public void keyPressed(KeyEvent e) {
              checkDefaultKey(e);
          }

          public void keyTyped(KeyEvent e) {
              char c = e.getKeyChar();

              if (c == '\n') {
                  jButton1_actionPerformed(null);
                  tx.requestFocus();
                  tx.selectAll();
              }
              else
              if (c == ',') {
                  tvx.requestFocus();
                  tvx.selectAll();
                  e.consume();
              }
          }
      });

      tvx.addKeyListener(new KeyAdapter() {

          public void keyPressed(KeyEvent e) {
              checkDefaultKey(e);
          }

          public void keyTyped(KeyEvent e) {
             char c = e.getKeyChar();

             if (c == '\n') {
                 jButton1_actionPerformed(null);
                 tx.requestFocus();
                 tx.selectAll();
             }
             else
             if (c == ',') {
                  tvy.requestFocus();
                  tvy.selectAll();
                  e.consume();
              }

          }

      });

      tvy.addKeyListener(new KeyAdapter() {

          public void keyPressed(KeyEvent e) {
              checkDefaultKey(e);
          }

          public void keyTyped(KeyEvent e) {
              char c = e.getKeyChar();

              if (c == '\n') {
                  jButton1_actionPerformed(null);
                  tx.requestFocus();
                  tx.selectAll();
              }
              else
              if (c == ',') {
                  tvz.requestFocus();
                  tvz.selectAll();
                  e.consume();
              }
          }
      });

      tvz.addKeyListener(new KeyAdapter() {

          public void keyPressed(KeyEvent e) {
              checkDefaultKey(e);
          }

          public void keyTyped(KeyEvent e) {
              char c = e.getKeyChar();

              if (c == '\n') {
                  jButton1_actionPerformed(null);
                  tx.requestFocus();
                  tx.selectAll();
              }
              else
              if (c == ',') {
                  tx.requestFocus();
                  tx.selectAll();
                  e.consume();
              }
          }
      });

      return p;
}


  void jButton1_actionPerformed(ActionEvent e) {
      _Point tmp = this;
      float xx1=Float.parseFloat(tx.getText());
      float yy1=Float.parseFloat(ty.getText());
      float zz1=Float.parseFloat(tz.getText());
      x=xx1; y=yy1; z=zz1;

      vx = Float.parseFloat(tvx.getText());
      vy = Float.parseFloat(tvy.getText());
      vz = Float.parseFloat(tvz.getText());
      float l = (float)Math.sqrt(vx*vx+vy*vy+vz*vz);
      if (l > 0) {
      vx = vx / l;
      vy = vy / l;
      vz = vz / l;
      }

      x2 = x+vx; y2 = y+vy; z2 = z+vz;

      if(add == true) {
          try {
            tmp = (_Point)this.clone();
            J3D.add3D(tmp);
          } catch (CloneNotSupportedException e1) {
              e1.printStackTrace();
          }
          tmp.add = false;
          tx.requestFocus();
          tx.selectAll();
      } else
          tmp.reset(true);

      J3D.tree_reset();
      J3D.view_reset();
  }

  public void requestFocus() {

      tx.requestFocus();
      tx.selectAll();

  }

  public _Node[] get_Nodes(){return null;}
  public _Object[] get_Elements(){return null;}
  public float distance(_Point p){ return (float)Math.sqrt((x-p.x)*(x-p.x)+(y-p.y)*(y-p.y)+(z-p.z)*(z-p.z)); }

  public Vector3D getVector() {
      Vector3D v = new Vector3D();

      v.x = this.x;
      v.y = this.y;
      v.z = this.z;

      return v;
  }

  public void toLocal(Vector3D translate, Matrix3D rotate) {

      Vector3D temp = new Vector3D(this.x, this.y, this.z);

      temp.add(temp,translate);
      temp.mult(rotate,temp);

      this.x = temp.x;
      this.y = temp.y;
      this.z = temp.z;

  }

  public void toGlobal(Vector3D translate, Matrix3D rotate) {

      Vector3D temp = new Vector3D(this.x, this.y, this.z);

      temp.sub(temp,translate);
      temp.transMult(rotate,temp);

      this.x = temp.x;
      this.y = temp.y;
      this.z = temp.z;

  }

  public _Object duplicate(Canvas3D out, boolean add){
      _Point o = null;
      try {
        o = (_Point)this.clone();
    } catch (CloneNotSupportedException e) {
        e.printStackTrace();
    }

    if (add) out.add3D(o);

      return o;
      }

  public Vector3D getCenter() {
      Vector3D s = new Vector3D(x,y,z);

      return s;
  }

  public void replaceObjectWith(_Object o, _Object replacement) {
      // Do nothing
  }

}