class Editor extends Page
{
  HorizontalMenu menu;
  HorizontalMenu pocMenu, logMenu;
  PressVerticalMenu typeMenu, vTypeMenu;
  VerticalMenu sizeMenu, vSizeMenu;
  
  int overX;
  int overY;
  int prevX;
  int prevY;
  int state;
  int area;
  int type;
  int vType;
  int vArea;
  int[][] temp;
  
  void activate()
  {
    String[] menuItems = {"Reset", "Wczytaj", "Zapisz"};
    String[] sizeItems = {"+", "-"};
    String[] typeItems = {"okrąg", "kwadrat"};
    String[] pocItems = {"ERO", "SKIZ", "SEG","DIL"};
    String[] logItems = {"AND", "OR", "NOT", "SAVE", "LOAD"};
    
    menu = new HorizontalMenu(20, 620, 300, 650, menuItems);
    sizeMenu = new VerticalMenu(385, 640, 415, 670, sizeItems);
    typeMenu = new PressVerticalMenu(310, 635, 380, 675, typeItems);
    pocMenu = new HorizontalMenu(20, 655, 300, 685, pocItems);
    logMenu = new HorizontalMenu(20, 690, 300, 720, logItems);
    vSizeMenu = new VerticalMenu(530, 640, 560, 670, sizeItems);
    vTypeMenu = new PressVerticalMenu(455, 635, 525, 675, typeItems);
    temp = new int[60][60];
    typeMenu.select(1);
    vTypeMenu.select(0);
    state = -1;
    type = 1;
    vArea = 0;
    area = 1;
    vType = 0;
  }
  
  void frame()
  {
    background(255);
    rectMode(CORNER);
    displayFull();
    //displayGrid();
    //displayMap();
    findOver();
    if ((state > -1) && (overX > -1))
      fakeDrag();
    menu.display();
    sizeMenu.display();
    typeMenu.display();
    pocMenu.display();
    logMenu.display();
    vTypeMenu.display();
    vSizeMenu.display();
    textAlign(TOP, LEFT);
    textSize(15);
    text(area, 430, 660);
    text(vArea, 575, 660);
    text("Element str.", 310, 630);
    text("Pędzel", 455, 630);
    
  }
  
  void displayGrid()
  {
    stroke(200);
    for (int i = 0; i <= 60; i++)
    {
      line(10 + i * 10, 10, 10 + i * 10, 610);
      line(10, 10 + i * 10, 610, 10 + i * 10);
    } 
  }
  
  void displayMap()
  {
    for (int i = 0; i < 60; i++)
      for (int j = 0; j <60; j++)
        if (mapa[i][j] == 1)
        {
          fill(0,255,0);
          rect(10 + i * 10, 10 + j * 10, 10, 10);
        }
  }
  
  void displayTag()
  {
    for (int i = 0; i < 60; i++)
      for (int j = 0; j <60; j++)
        if (tag[i][j] >= 1)
        {
          fill(tag[i][j] * 10,0,0);
          rect(10 + i * 10, 10 + j * 10, 10, 10);
        }
  }
  
  void displayFull()
  {
    stroke(200);
    for (int i = 0; i < 60; i++)
    {
      line(10 + i * 10, 10, 10 + i * 10, 610);
      line(10, 10 + i * 10, 610, 10 + i * 10);
      for (int j = 0; j < 60; j++)
      {
        if (mapa[i][j] == 1)
        {
          fill(0,255,0);
          rect(10 + i * 10, 10 + j * 10, 10, 10);
        }
        if (tag[i][j] > 0)
        {
          //fill(int(float(tag[i][j])/float(maxTag)*200));
          //rect(10 + i * 10, 10 + j * 10, 10, 10);
          fill(0);
           textAlign(TOP, LEFT);
           textSize(8);
           text(tag[i][j], 10 + i * 10, 20 + j * 10);
        }
      }
    }
    line(610, 10, 610, 610);
    line(10, 610, 610, 610);
  }
  
  
  void reset()
  {
    for (int i = 0; i < 60; i++)
      for (int j = 0; j <60; j++)
      {
        mapa[i][j] = 0;
        tag[i][j] = 0;
      }
  }
  
  void zapisz()
  {
    String savePath = selectOutput();  // Opens file chooser
    if (savePath == null) {
    // If a file was not selected
    println("No output file was selected...");
    } else {
   // If a file was selected, print path to folder
     String[] lines = new String[60];
     for (int i = 0; i < 60; i++) 
     {
       lines[i] = "";
       for (int j = 0; j < 60; j++)
       {
         lines[i] = lines[i] + mapa[i][j];
       }
     }
     saveStrings(savePath, lines);
    }
   }
   /* String[] lines = new String[graph.lng+2];
    lines[0]=nf(graph.first,0);
    lines[1]=nf(graph.lng,0);
    for (int i = 0; i < graph.lng; i++) 
      lines[2+i] = graph.vertices[i].x + "\t" + graph.vertices[i].y;
    saveStrings(path, lines);*/
  
  
  void wczytaj()
  {
    String loadPath = selectInput();  // Opens file chooser
    if (loadPath == null) {
    // If a file was not selected
    println("No input file was selected...");
    } else {
      reset();
      String[] lines = loadStrings(loadPath);
      for (int i = 0; i < 60; i++) 
     {
       for (int j = 0; j < 60; j++)
       {
         mapa[i][j] = int(lines[i].charAt(j)) - 48;

       }
     }
    }
  }
   // If a file was selected, print path to folder
    /*
    String[] lines = loadStrings(path);
    if (lines!=null)
    {
      graph.first = int(lines[0]);
      graph.lng = int(lines[1]);
      for (int i = 2; i < 2+graph.lng; ++i)
      {
        String[] pieces = split(lines[i], '\t');
        graph.vertices[i-2] = new PVector(float(pieces[0]),float(pieces[1]));
      }
      makeWeights();
    }*/
  
  void addNew()
  {
    Otoczenie el = chooseType(vArea,overX, overY, vType);
    for (int i = 0; i < el.it; ++i)
    {
      mapa[el.x[i]][el.y[i]] = 1; 
      tag[el.x[i]][el.y[i]] = 0;
    }
  }
  
  void delete()
  {
    Otoczenie el = chooseType(vArea, overX, overY, vType);
    for (int i = 0; i < el.it; ++i)
    {
      mapa[el.x[i]][el.y[i]] = 0; 
      tag[el.x[i]][el.y[i]] = 0;
    }
  }
  
  void press() 
  {
    if (mouseButton == LEFT)
      state = 1;
    else if (mouseButton == RIGHT)
      state = 0;
    if (overX >= 0)
    {
      if (mouseButton == LEFT)
      {
        addNew();
      }
      else if (mouseButton == RIGHT)
      {
        delete();
      } 
    }
    if (menu.over())
    {
      switch (menu.which())
      {
        case 0:
          reset();
          break;
        case 1:
          wczytaj();
          break;
        case 2:
          zapisz();
          break;
      }
    }
    if (sizeMenu.over())
    {
      switch (sizeMenu.which())
      {
        case 0:
          area = zoom(area);
          break;
        case 1:
          area =zoomOut(area);
          break;
      }
    }
    if (typeMenu.over())
    {
      switch (typeMenu.which())
      {
        case 0:
          typeMenu.select(0);
          type = 0;
          break;
        case 1:
          typeMenu.select(1);
          type = 1;
          break;
      }
    }
    if (vSizeMenu.over())
    {
      switch (vSizeMenu.which())
      {
        case 0:
          vArea = zoom(vArea);
          break;
        case 1:
          vArea = zoomOut(vArea);
          break;
      }
    }
    if (vTypeMenu.over())
    {
      switch (vTypeMenu.which())
      {
        case 0:
          vTypeMenu.select(0);
          vType = 0;
          break;
        case 1:
          vTypeMenu.select(1);
          vType = 1;
          break;
      }
    }
    if (pocMenu.over())
    {
      switch (pocMenu.which())
      {
        case 0:
          mapa = maxErose(mapa, tag);
          break;
        case 1:
          mapa = separate(mapa, tag);
          break;
        case 2:
          maxTag = segment(mapa,tag);
          break;
        case 3:
          mapa = maxDilate(mapa,tag);
          break;
      }
    }
    if (logMenu.over())
    {
      switch (logMenu.which())
      {
        case 0:
          mapa = and(mapa, temp);
          break;
        case 1:
          mapa = or(mapa, temp);
          break;
        case 2:
          mapa = not(mapa);
          break;
        case 3:
          for (int i = 0; i < mapa.length; ++i)
            arrayCopy(mapa[i],temp[i]);
          break;
        case 4:
          for (int i = 0; i < mapa.length; ++i)
            arrayCopy(temp[i],mapa[i]);
          break;
      }
    }
    /*
    if (over!=-1)
    {
      if (mouseButton == LEFT)
        locked = over;
      else if (mouseButton == RIGHT)
      {
        int tmp = over;
        over = -1;
        remove(tmp);
      }
      else if (mouseButton == CENTER)
        graph.first = over;
    }
    else if (!collide())
    {
      if (mouseButton == LEFT)
        add(mouseX-this.x,mouseY-this.y);
    }*/
  }  
  
  void findOver()
  {
    if ((mouseX > 10) && (mouseX < 610) && (mouseY > 10) && (mouseY < 610))
    {
      overX = (mouseX - 10) / 10;
      overY = (mouseY - 10) / 10;
      Otoczenie el = chooseType(vArea, overX, overY, vType);
      textAlign(TOP, LEFT);
      textSize(8);
      fill(0);
      text("("+overX+";"+overY+")",560,620);
      
      colorOver(overX,overY);
      for (int i = 0; i < el.it; ++i)
      {
        colorOver(el.x[i], el.y[i]);
      }
      
      
    }
    else 
    {
      overX = -1;
      overY = -1;
    }
  }
  
  void colorOver(int i, int j)
  {
    if (mapa[i][j] == 0)
        fill(0,255,0);
      else
        fill(255,0,0);
      rect(10 + i * 10, 10 + j * 10, 10, 10);
  }
  
  int zoom(int x)
  {
    if (x < 29)
      x++;
    return x;
  }
  
  int zoomOut(int x)
  {
    if (x > 0)
      x--;
    return x;
  }
  
  void fakeDrag()
  {
    if ((prevX != overX) || (prevY != overY))
    {
      prevX = overX;
      prevY = overY;
      switch (state)
      {
        case 0:
          delete();
          break;
        case 1:
          addNew();
          break;
      }
    }
  }
  
  void release()
  {
    state = -1;
  }

}