Buttons to save and open text file in processing 3

Processing Libraries
10

did you read this:

http://www.sojamo.de/libraries/controlP5/examples/controllers/ControlP5radioButton/ControlP5radioButton.pde

this seems to be important:

void radioButton(int a) {
  println("a radio Button event: "+a);
}

full code:


/**
 * ControlP5 RadioButton
 *
 *
 * find a list of public methods available for the RadioButton Controller
 * at the bottom of this sketch.
 *
 * by Andreas Schlegel, 2012
 * www.sojamo.de/libraries/controlp5
 *
 */


import controlP5.*;

ControlP5 cp5;

int myColorBackground = color(0, 0, 0);

RadioButton r;

void setup() {
  size(700, 400);

  cp5 = new ControlP5(this);
  r = cp5.addRadioButton("radioButton")
    .setPosition(20, 160)
    .setSize(40, 20)
    .setColorForeground(color(120))
    .setColorActive(color(255))
    .setColorLabel(color(255))
    .setItemsPerRow(5)
    .setSpacingColumn(50)
    .addItem("50", 1)
    .addItem("100", 2)
    .addItem("150", 3)
    .addItem("200", 4)
    .addItem("250", 5)
    ;

  //for (Toggle t : r.getItems()) {
  //  t.captionLabel().setColorBackground(color(255, 80));
  //  t.captionLabel().style().moveMargin(-7, 0, 0, -3);
  //  t.captionLabel().style().movePadding(7, 0, 0, 3);
  //  t.captionLabel().style().backgroundWidth = 45;
  //  t.captionLabel().style().backgroundHeight = 13;
  //}
}


void draw() {
  background(myColorBackground);
}


void keyPressed() {
  switch(key) {
    case('0'): 
    r.deactivateAll(); 
    break;
    case('1'): 
    r.activate(0); 
    break;
    case('2'): 
    r.activate(1); 
    break;
    case('3'): 
    r.activate(2); 
    break;
    case('4'): 
    r.activate(3); 
    break;
    case('5'): 
    r.activate(4); 
    break;
  }
}

void controlEvent(ControlEvent theEvent) {
  if (theEvent.isFrom(r)) {
    print("got an event from "+theEvent.getName()+"\t");
    for (int i=0; i<theEvent.getGroup().getArrayValue().length; i++) {
      print(int(theEvent.getGroup().getArrayValue()[i]));
    }
    println("\t "+theEvent.getValue());
    myColorBackground = color(int(theEvent.group().getValue()*50), 0, 0);
  }
}

void radioButton(int a) {
  println("a radio Button event: "+a);
}
//