import proxml.*;
ArrayList personList;
float height_p;
float width_p;
StringBuffer buffer_height;
StringBuffer buffer_width;
String string_height;
String string_width;
int int_height;
int int_width;
int count;
PImage back;
XMLElement Data;
XMLInOut xmlInOut;
int posX = 10;
int posY = 10;
void setup() {
  size (800,450);
  noStroke();
  smooth();
  personList = new ArrayList(); 
  buffer_height = new StringBuffer();
  buffer_width = new StringBuffer();
  xmlInOut = new XMLInOut(this);
  try{
    xmlInOut.loadElement("datatable1.xml"); 
  }
  catch(Exception e){
    //if the xml file could not be loaded it has to be created
    xmlEvent(new XMLElement("datatable"));
  }
}
void draw(){
} 
void keyReleased () {
  if (keyCode == 10) {
    count ++;
  }
  if (keyCode == 8 ) {
    if (buffer_height.length() > 0) {
      buffer_height.deleteCharAt (buffer_height.length()-1);
    }
  }
  if (count == 0 && key != ENTER) {
    buffer_height.append(key);    
    string_height = buffer_height.toString();
    int_height = int(string_height);
  }
  if (count == 1 && key != ENTER) {
    buffer_width.append(key);    
    string_width = buffer_width.toString();
    int_width = int(string_width);
  }
  if (count == 2) {
    analyze(); 
  }
}
void analyze () {
  rect (posX,posY, int_width, int_height);
  count = 0;
  posX += int_width+10;
  save();
  setup();
}
void xmlEvent(XMLElement element){
  Data = element;
  initData();
  //initialise PImage for background
  back = new PImage(width,height);
  loadPixels();
  back.pixels = pixels;
}
class Person {
  float height_p;
  float width_p;
  Person (float height_p, float width_p) {
    this.height_p = height;
    this.width_p = width;
  }
}
void initData(){
  XMLElement value;
  XMLElement height;
  XMLElement width;
  for(int i = 0; i < Data.countChildren();i++){
    value = Data.getChild(0);
    height = value.getChild(0);
    width = value.getChild(1);
    personList.add(new Person (width_p,height_p));
  }
}
void save(){
  XMLElement value = new XMLElement("person");
  Data.addChild(value);
  XMLElement height = new XMLElement("height");
  height.addAttribute("value_height", string_height);
  value.addChild(height);
  XMLElement width = new XMLElement("width");
  width.addAttribute("value_width", string_width);
  value.addChild(width);
  xmlInOut.saveElement(Data,"datatable1.xml");
}
 

Person a;
StringBuffer buffer_height;
String string_height;
ArrayList personList;
int count;
int int_height; 

void setup(){  
  buffer_height = new StringBuffer();
  personList = new ArrayList(); 
} 

void keyReleased () {
  if (keyCode == 10) {
    count ++;
  }
  if (count == 0 && key != ENTER) {
    buffer_height.append(key);    
    string_height = buffer_height.toString();
    int_height = int(string_height);
  }
  if (count == 1 && key != ENTER) {
    analyze();
  }
}

void draw(){ 
  println (int_height);
  println (a);
} 

void analyze() {
// I tried this to put the current value you've just typed into the ArrayList
  a = new Person (int_height);
  personList.add(a); 
}

class Person implements Comparable{ 
  int int_height;
  Person (int int_height) { 
    this.int_height = int_height; 
  }    
  void report(){ 
    println("height:"+ int_height); 
  } 
  public int compareTo(Object o){ 
    Person p = (Person)o; 
    return (int)(int_height - p.int_height);  
  }
}