save and load Array list

Chrisir

and the sketch is now too long to post in one go

this is so lame............................

Chrisir

I made a new version that can display the file name for each column

brugola

Thanks Chrisir ..... you know a more than wikipedia ..... you're teaching me a lot ......

Chrisir

you are not making progress

only I make progress

can you read arduino data and fill in table 1 please?

Chrisir

Technically our (my) code is not good, because we have very similar sections that could be unified and made much better.

E.g. we have 8 buttons now, 4 on the right side (Load etc.) and 4 buttons above the 4 columns. But we don't have a nice structure to check them for mouse click.

Look at this code, there are a lot of repetitions going on:

// functions to register if mouse is over buttons / funzione da registrare se il mouse è sui pulsanti

boolean overSave() {            // modificato
  return mouseX > width-50 && 
    mouseY > height-740  && 
    mouseY < height-740+25 ;
}

boolean overLoad() {                 //modificato
  return mouseX > width-50 && 
    mouseY > height-710  && 
    mouseY < height-710+25 ;
}

boolean overNew() {                         //modificato
  return mouseX > width -50 && 
    mouseY > height-680  && 
    mouseY < height-680+25 ;
}

boolean overHelp() {                         //modificato
  return mouseX > width -50 && 
    mouseY > height-650  && 
    mouseY < height-650+25 ;
}

Its almost the same 4 times:

boolean over_<A Button>_() {                         //modificato
  return mouseX > _<x position>_ && 
    mouseY > _<y position>_  && 
    mouseY < _<y position>_+_<button height (25)>_ ;
}

Instead it would be cool to have a list of buttons and say something like

for (Button btn : buttons) // for all our buttons do something
     if (mouseIsOver btn) 
           do button btn command; 
}

That's pseudo code obviously but it's much shorter.

At the moment you just have numbers like height-650. Now you could put them in variables like xpositon1. Then you could have one list for the x position of all buttons, one list of the y positions of all buttons, the heights and so on.

Then there is the concept of object oriented programming (OOP) which allows us to define what ONE button is (seen in an abstract way), a x position, y position, widthButton and heightButton ajnd its text (caption, "Load" etc.) and it should be able to register the mouse on it of course. Such a package is called a class.

Then we can make a list (array) of that Button class. Very cool.

To dive into it read:

https://github.com/Kango/Processing-snippets/wiki/Variables,-Arrays-and-object-oriented-programming

https://www.processing.org/tutorials/objects/

Chrisir ;-)

Chrisir

// https : // forum.processing.org/two/discussion/26719/save-and-load-array-list#latest

import processing.serial.*; 
import controlP5.*;   
import grafica.*;

Serial myPort;      // The serial port: 
ControlP5 controlP5;   // controlP5 object
Knob myKnob1, myKnob2, myKnob3, myKnob4;  // knobs 

// buttons above columns
int[] arrayOfXValuesFrom = { 13, 220, 390, 570 };  
int[] arrayOfXValuesTo = { 193, 340, 550, 710 };

// text for file names for each column 
String[] fileNames = { "not a file", 
  "not a file", 
  "not a file", 
  "not a file" };  

// 4 columns 
ArrayList<PVector> points1 = new ArrayList(); // 1st 
ArrayList<PVector> points2 = new ArrayList(); // 2nd
ArrayList<PVector> points3 = new ArrayList(); // 3rd 
ArrayList<PVector> points4 = new ArrayList(); // 4th

// active column 
int activeArrayListHasNumber = 0;  

// some flags for texts 
boolean showHelpText1 = false; 
boolean showText = true; 

String inString;  // Input string from serial port: 
int lf = 10;      // ASCII linefeed 
float deg, val;

final String pathFolder="";//CARTELLA DI PERCORSO
final String fileExtension = ".txt";//estensione file

// unique numbers for constants: 
final int normal = 0;
final int save   = 1;
final int load   = 2;
final int help   = 3;
/// current state (must be one of them) 
/// stato attuale (deve essere uno di loro)
int state=normal;

// Paths 
String savePath=""; 
String loadPath=""; 

// --------------------------------------------------------------------------

void setup() {
  size(1350, 750);

  // not necessary
  for (int i = 0; i < 3; i++) { 
    points1.add(new PVector(i, 20 + 10*noise(i*0.1)));
  }//for
  for (int i = 0; i < 13; i++) { 
    points2.add(new PVector(i, 30 + 10*noise(i*0.1)));
  }//for
  for (int i = 0; i < 5; i++) { 
    points3.add(new PVector(i, 40 + 10*noise(i*0.1)));
  }//for
  for (int i = 0; i < 7; i++) { 
    points4.add(new PVector(i, 50 + 10*noise(i*0.1)));
  }//for

  //ControlP5
  PFont  f= createFont ("Georgia", 25);
  {
    controlP5 = new ControlP5(this);   //ControlP5

    myKnob1 = controlP5.addKnob(" Massa ARIA")
      //.setRange(0,1024)
      .setRange(0, 5)
      .setValue(0)
      .setPosition(width-370, height-185)//posizione 605
      .setTickMarkLength(10)
      .setColorForeground(color(#FF0004))//colore cursore
      .setColorBackground(color(255))//colore sfondo
      .setColorValueLabel(color(0))//colore numeri//label etichetta
      .setColorActive(color(#6AFA05))
      .setDragDirection(Knob.VERTICAL)
      //  . setColorCaptionLabel(0) //colore scritta(capition)
      .lock()
      .setSize(150, 150)//dimensioni
      // .setScrollSensitivity(120)
      . setDecimalPrecision(2) //numero dopo la virgola
      ;
    myKnob1 .getCaptionLabel()
      . setFont(f);
    myKnob1.getValueLabel()
      .setFont(f)
      ;
    ;

    myKnob2 = controlP5.addKnob("P. Cil")
      .setRange(0, 500)
      .setValue(0)
      .setPosition(width-370, height-380)
      .setColorForeground(color(#FF0004))//colore cursore
      .setColorBackground(color(255))//colore sfondo
      .setColorValueLabel(color(0))//colore numeri//label etichetta
      .setColorActive(color(#6AFA05))
      .setDragDirection(Knob.VERTICAL)
      // . setColorCaptionLabel(0) //colore scritta(capition)
      .lock()
      .setSize(150, 150)//dimensioni
      // .setScrollSensitivity(120)
      .  setDecimalPrecision(2) //numero dopo la virgola
      .setTickMarkLength(10) 
      ;
    myKnob2 .getCaptionLabel()
      . setFont(f);
    myKnob2.getValueLabel()
      .setFont(f)
      ;

    myKnob3 = controlP5.addKnob("P. Atm ")
      //.setRange(0,1023)
      .setRange(0, 500)
      .setValue(1)
      .setPosition(width-180, height-380)
      .setColorForeground(color(#FF0004))//colore cursore
      .setColorBackground(color(255))//colore sfondo
      .setColorValueLabel(color(0))//colore numeri//label etichetta
      .setColorActive(color(#6AFA05))
      .setDragDirection(Knob.VERTICAL)
      //   . setColorCaptionLabel(0) //colore scritta(capition)
      .lock()
      .setSize(150, 150)//dimensioni
      .setDecimalPrecision(2) //numero dopo la virgola
      .setTickMarkLength(10)
      ;
    myKnob3 .getCaptionLabel()
      . setFont(f);
    myKnob3.getValueLabel()
      .setFont(f)
      ;

    myKnob4 = controlP5.addKnob("temp")
      //.setRange(0,1023)
      .setRange(0, 500)
      .setValue(1)
      .setPosition(width-180, height-185)
      .setColorForeground(color(#FF0004))//colore cursore
      .setColorBackground(color(255))//colore sfondo
      .setColorValueLabel(color(0))//colore numeri//label etichetta
      .setColorActive(color(#6AFA05))
      .setDragDirection(Knob.VERTICAL)
      //   . setColorCaptionLabel(0) //colore scritta(capition)
      .lock()
      .setSize(150, 150)//dimensioni
      .setDecimalPrecision(2) //numero dopo la virgola
      .setTickMarkLength(10)
      ;
    myKnob4 .getCaptionLabel()
      . setFont(f);
    myKnob4.getValueLabel()
      .setFont(f)
      ;
  }

  //  myPort = new Serial(this, "com3", 9600);  // ?????
  //  myPort.bufferUntil(lf);
}

void draw() {

  switch (state) {

  case normal:
    drawForStateNormal() ;
    break; 

  case save:
    // wait for Save Dialog 
    waitForSaveDialog();
    break; 

  case load:
    // wait for Load Dialog 
    waitForLoadDialog();
    break;

  case help:
    // help
    drawForStateHelp() ;
    break; 

  default:
    //Error 
    println("Fail 192; unknown state: "
      +state);
    exit();
    break; 
    //
  } //switch
  //
}//func

// ------------------------------------------------

void drawForStateNormal() {

  background(245);
  {
    strokeWeight(2);   
    stroke(#FF0B03);
    fill(0);
    rect(width-380, height-490, 360, 90, 20);// retangolo diff. press.
    fill(255);
    textSize(28); 
    text("Diff.Press.", width-270, height-405);     //diff.press
    textSize(40);
    text(( myKnob2.getValue()- myKnob3.getValue()), width-270, height-445);     //diff.press
  }
  {
    fill(0);
    strokeWeight(2);   
    stroke(#FF0B03);

    rect(width-380, height-390, 360, 190, 20);// retangolo press
    rect(width-380, height-195, 360, 190, 20);// rettangolo massa Temp
  }
  textSize(14);
  showData1();
  showData2();
  showData3();
  showData4();

  // title 
  fill(255, 2, 2);
  textAlign(CENTER);
  text("My little\nGraph program", 
    width-223, 19, 130, 422);
  //reset 
  textAlign(LEFT);

  //// help
  if (showHelpText1) {
    float widthOfBox = 210; 
    fill(240, 544, 2); // yellow 
    stroke(0);         // black 
    rect(420, 27, widthOfBox, 322);
    fill(0);           // black 
    text("Use mouse above columns (or 0..3) to set the active table "
      +"which is marked by the horizontal line on top.\n\n"
      +"New, Load and Save are referring to the active table (and Backspace).\n"
      +"m to hide / show text data.\n\nHit x to hide / show this text.", 
      425, 30, widthOfBox-10, 522);
  }

  // ----------------------
  // buttons
  showButtons();

  // gray lines above columns 
  for (int i=0; i < arrayOfXValuesFrom.length; i++) {
    if (activeArrayListHasNumber!=i) {
      stroke(111); //
      strokeWeight(2.8); 
      line (arrayOfXValuesFrom [i], 10, 
        arrayOfXValuesTo[i], 10);
      strokeWeight(0.8); 
      line (arrayOfXValuesFrom [i]+10, 14, 
        arrayOfXValuesTo[i]-10, 14);
      line (arrayOfXValuesFrom [i]+10, 10-4, 
        arrayOfXValuesTo[i]-10, 10-4);
    }//if 
    fill(0);
    text (fileNames[i], 
      arrayOfXValuesFrom [i], height-18);
  }//for 

  // reset
  strokeWeight(1.0); 
  //
} //draw

void drawForStateHelp() {

  // Help

  background(245);
  myKnob1.setVisible(false);
  myKnob2.setVisible(false);
  myKnob3.setVisible(false);
  myKnob4.setVisible(false); 

  fill(255, 2, 2);
  text("My little Graph program\n\nUse buttons on the right and below;\n"    //testo e posizione testo
    +"use Backspace to delete last data point of each list.\n\n" 
    +"Use 1 and 2 to set the active table which is marked by the horizontal line on top.\n"
    +"New, Load and Save are referring to the active table (and also Backspace).\n\n"
    +"You can click now above each column to activate it.\n"
    +"You can press m to hide/show data text and x to show / hide quick help."
    +"\n\nHit any key to return to main program.", 
    113, 122, width-200, 422);
}

// --------------------------------------------------
// functions to show buttons funzione per mostrare i bottoni

void showButtons() {
  //
  strokeWeight(2);   
  stroke(0);
  textSize(15);

  fill(0);
  if ( overSave() ) {
    fill(#FF0303);
  }

  rect(width-50, height-740, 40, 20, 5);// modificato posizione bottone "salve"
  fill(255); 
  text("Save", 
    width-50+2, height-740+9+6);

  // ---

  fill(0);
  if ( overLoad() ) {
    fill(#49C3FA);
  }

  rect(width-50, height-710, 40, 20, 5);// modificato posizione" load"
  fill(255); 
  text("Load", 
    width-50+2, height-710+9+6);

  // ---

  fill(0);
  if ( overNew() ) {
    fill(#1FFF03);
  }

  rect(width-50, height-680, 40, 20, 5);// modificato posizione "new"
  fill(255); 
  text("New", 
    width-50+4, height-680+9+6);

  // ---

  fill(0);
  if ( overHelp() ) {
    fill(#1AAF03);
  }
  rect(width-50, height-650, 40, 20, 5);// modificato posizione "help"
  fill(255); 
  text("Help", 
    width-50+4, height-650+9+6);
}

//----------------------------------------------------------------------------
// functions to register if mouse is over buttons funzione da registrare se il mouse è sui pulsanti

boolean overSave() {            // modificato
  return mouseX > width-50 && 
    mouseY > height-740  && 
    mouseY < height-740+25 ;
}

boolean overLoad() {                 //modificato
  return mouseX > width-50 && 
    mouseY > height-710  && 
    mouseY < height-710+25 ;
}

boolean overNew() {                         //modificato
  return mouseX > width -50 && 
    mouseY > height-680  && 
    mouseY < height-680+25 ;
}

boolean overHelp() {                         //modificato
  return mouseX > width -50 && 
    mouseY > height-650  && 
    mouseY < height-650+25 ;
}

// ---------------------------------------------------------------------------
// Inputs 

void keyPressed() {

  if (state==help) {
    goBackToMainState();
    return;
  }

  if (state!=normal)
    return;

  //  
  if (  keyCode == BACKSPACE ) {
    //
    backspaceOnActiveList();
    //
  } 
  // ----
  else if ( keyCode == DELETE ) {
    //
    // ignore 
    //
  } else if  ( keyCode == ESC ) {
    //
    // If yellow help box is ON  
    if (showHelpText1) {
      showHelpText1 = false; // yellow help box off
    } else {
      // else toggle
      showText = !showText; // data text / tables
    }//else 
    // kill Esc so we stay in the program 
    key=0;
    //
  } 

  // ------

  else {
    if ( key != CODED ) {
      //
      switch(key) {

      case '0':
        activeArrayListHasNumber = 0; 
        break;

      case '1':
        activeArrayListHasNumber = 1; 
        break;

      case '2':
        activeArrayListHasNumber = 2; 
        break;

      case '3':
        activeArrayListHasNumber = 3; 
        break;

      case 'x':
        showHelpText1 = !showHelpText1; // yellow help box 
        break;

      case 'm':
        showText = !showText; // data text / tables 
        break;
        //
      }//switch
      //
    }//if
  }//else
}// func 

void mousePressed() {

  if (state==help) {
    goBackToMainState();
    return;
  }

  if (state!=normal)
    return;

  // for the buttons 
  if ( overSave() ) {
    initSave();
  }
  //---
  else if ( overLoad() ) {
    initLoad();
  } else if ( overHelp() ) {
    state=help;
  }
  //---
  else if ( overNew() ) {
    //
    if ( activeArrayListHasNumber==0 ) {
      points1.clear();            //cancellare punti con new
    } else if ( activeArrayListHasNumber==1 ) {
      points2.clear();            //cancellare punti con new
    } else if ( activeArrayListHasNumber==2 ) {
      points3.clear();            //cancellare punti con new
    } else if ( activeArrayListHasNumber==3 ) {
      points4.clear();            //cancellare punti con new
    }// else if

    // set name 
    fileNames[activeArrayListHasNumber] = "not a File"; 
    //
  }
  //---

  boolean done = false; 

  if (mouseY<25) {
    for (int i=0; i < arrayOfXValuesFrom.length; i++) {
      if (mouseX>arrayOfXValuesFrom[i] && 
        mouseX<arrayOfXValuesTo[i]) { 
        //
        activeArrayListHasNumber=i;
        done = true; 
        break;
      }//if
    }//for
  }//if

  if (!done) {
    // points.add(new PVector(points.size(), mouseY/10));
    if ( activeArrayListHasNumber == 0 ) {
      // points1.add(new PVector(points1.size(), myKnob1.getValue()));
      points1.add(new PVector(points1.size(), mouseY));
    } else if ( activeArrayListHasNumber == 1 ) {
      //points2.add(new PVector(points2.size(), myKnob1.getValue()));
      points2.add(new PVector(points2.size(), mouseY));
    } else if ( activeArrayListHasNumber == 2 ) {
      //points2.add(new PVector(points2.size(), myKnob1.getValue()));
      points3.add(new PVector(points3.size(), mouseY));
    } else if ( activeArrayListHasNumber == 3 ) {
      //points2.add(new PVector(points2.size(), myKnob1.getValue()));
      points4.add(new PVector(points4.size(), mouseY));
    }
  }
}//func

// -------------------------------------------------
// Save and load 

void initSave() {
  // init save process 
  // reset
  savePath=""; 
  // make date time stamp (the expression nf(n,2) means leading zero: 2 becomes 02)
  String dateTimeStamp = year() 
    + nf(month(), 2) 
    + nf(day(), 2) 
    + "-"
    + nf(hour(), 2)
    + nf(minute(), 2)
    + nf(second(), 2); 
  // prepare fileDescription which occurs in the dialogue
  // prepara la descrizione del file che avviene nel dialogo
  File fileDescription = new File( sketchPath()
    + "//"
    + pathFolder 
    + "//"
    + dateTimeStamp
    + fileExtension); 
  // open the dialog  
  selectOutput("Select a file to write to", "fileSelectedSave", fileDescription); 
  // set state to wait
  state=save;
}

void initLoad() {
  // init load process 
  // reset
  loadPath=""; 
  // prepare fileDescription which occurs in the dialogue
  File fileDescription = new File( sketchPath()+"//"+pathFolder+"//"+"*" + fileExtension ); 
  // open the dialog
  selectInput("Select a file to load", "fileSelectedLoad", fileDescription); 
  // set state to wait
  state=load;
}

void fileSelectedSave(File selection) {
  // the 'callback' function
  if (selection == null) {
    // println("Window was closed or the user hit cancel.");


    // println ("La finestra è stata chiusa o l'utente ha premuto annulla.");
    // torna indietro

    state=normal; // go back
  } else {
    // println("User selected " + selection.getAbsolutePath());
    savePath=selection.getAbsolutePath();
  }
}

void fileSelectedLoad(File selection) {
  // the 'callback' function
  if (selection == null) {
    // println("Window was closed or the user hit cancel.");

    // go back 
    state=normal;
  } else {
    // println("User selected " + selection.getAbsolutePath());
    loadPath=selection.getAbsolutePath();
  }
}

void waitForSaveDialog() { 
  if (!savePath.equals("")) {
    // waiting is over
    saveIt(); 
    // go back 
    state=normal;
  }
}

Chrisir

void waitForLoadDialog() { 
  if (!loadPath.equals("")) {
    // waiting is over
    loadIt(); 
    // go back 
    state=normal;
  }
}

void saveIt() {
  // save

  // make array (to save it)
  String[] strs; 
  strs = new String[0]; 

  if (activeArrayListHasNumber==0) {
    strs = new String[points1.size()]; 
    int i=0; 
    for (PVector pv : points1) {
      strs[i]=str(pv.x)+","+str(pv.y); 
      i++;
    }//for
  }// 
  else if (activeArrayListHasNumber==1) {
    strs = new String[points2.size()]; 
    int i=0; 
    for (PVector pv : points2) {
      strs[i]=str(pv.x)+","+str(pv.y); 
      i++;
    }//for
  }//else
  else if (activeArrayListHasNumber==2) {
    strs = new String[points3.size()]; 
    int i=0; 
    for (PVector pv : points3) {
      strs[i]=str(pv.x)+","+str(pv.y); 
      i++;
    }//for
  }//else
  else if (activeArrayListHasNumber==3) {
    strs = new String[points4.size()]; 
    int i=0; 
    for (PVector pv : points4) {
      strs[i]=str(pv.x)+","+str(pv.y); 
      i++;
    }//for
  }//else

  // check if file extension (fileExtension, e.g. .txt) is there 
  int len = savePath.length(); 
  if (len<4 || !savePath.substring( len-4 ).equals(fileExtension)) {
    // file Extension is not present, we have to add it
    savePath += fileExtension; // add the file Extension
  } 

  // save 
  println("Saved: " + savePath); 
  saveStrings( savePath, strs );

  // get file name for list 
  fileNames[activeArrayListHasNumber] =  nameFromPath(savePath);
} //func

void loadIt() {
  // load
  if (activeArrayListHasNumber==0)
  {
    points1.clear();
  } else if (activeArrayListHasNumber==1)
  {
    points2.clear();
  } else if (activeArrayListHasNumber==2)
  {
    points3.clear();
  } else if (activeArrayListHasNumber==3)
  {
    points4.clear();
  }

  fileNames[activeArrayListHasNumber] =  nameFromPath(loadPath); 

  String[] strs = loadStrings( loadPath ); 
  for (String s : strs) {
    String[] thisLine=split(s, ","); 

    if (activeArrayListHasNumber==0) 
    {
      points1.add(new PVector(float(thisLine[0]), float(thisLine[1])));
    } else if (activeArrayListHasNumber==1)
    {
      points2.add(new PVector(float(thisLine[0]), float(thisLine[1])));
    } else if (activeArrayListHasNumber==2)
    {
      points3.add(new PVector(float(thisLine[0]), float(thisLine[1])));
    } else if (activeArrayListHasNumber==3)
    {
      points4.add(new PVector(float(thisLine[0]), float(thisLine[1])));
    }//else
    //
  }//for
}//func 

// -------------------------------------------------

void showData1() {
  //
  // show data 1

  PVector prev = new PVector(-1, -1); 
  int y=50; 

  if (activeArrayListHasNumber==0) {
    stroke(255, 2, 2); // RED
    line (10, 10, 198, 10);
  }

  for (PVector pv : points1) {

    if (showText) {
      fill(255, 2, 2); // RED 
      // show data
      text(pv.x, 30, y); 
      text(pv.y, 110, y);
    }

    fill(0, 2, 2); 
    stroke(255, 2, 2); // RED 
    float yvalue = map( pv.y, 0, height, 300, 355); 
    if (prev.x!=-1) {
      line(10 + pv.x*3, yvalue, 
        prev.x, prev.y);
    }
    noStroke(); 
    // ellipse (10 + pv.x*3, yvalue, 4, 4);
    prev = new PVector(10 + pv.x*3, yvalue); 


    y+=20; //next line
  }//for

  if (showText) {
    // middle line 
    stroke(255, 2, 2); // RED 
    line( 100, 30, 100, height);

    // double middle lines!!!   
    stroke(0); // BLACK 
    int x1=200; 
    line( x1-2, 30, x1-2, height); 
    line( x1+2, 30, x1+2, height);
  }
  //
}

void showData2() {
  //
  // show data 2 

  if (activeArrayListHasNumber==1) {
    // activeArrayListHasNumber is FALSE, right side is active
    stroke(2, 255, 2); // GREEN
    line (200, 10, 
      350, 10);
  }

  PVector prev = new PVector(-1, -1); 
  int y=50; 
  for (PVector pv : points2) {

    if (showText) {
      fill(0, 255, 2); // GREEN 
      // show data
      text(pv.x, 210, y); 
      text(pv.y, 210+80, y);
    }

    fill(0, 2, 2); 
    stroke(0, 255, 2); // GREEN 
    float yvalue = map( pv.y, 0, height, 300, 355); 
    if (prev.x!=-1) {
      line(10 + pv.x*3, yvalue, 
        prev.x, prev.y);
    }
    noStroke(); 
    //   ellipse (10 + pv.x*3, yvalue, 4, 4);
    prev = new PVector(10 + pv.x*3, yvalue); 

    y+=20; //next line
  }//for

  if (showText) {
    // middle line 
    stroke(0, 255, 2); // GREEN 
    line( 288, 30, 288, height);

    // double middle lines!!!   
    stroke(0); // BLACK 
    int x1=210+80+80; 
    line( x1-2, 30, x1-2, height); 
    line( x1+2, 30, x1+2, height);
  }
  //
}

void showData3() {
  //
  // show data 3

  color col3 = color(0, 2, 255); // BLUE 

  if (activeArrayListHasNumber==2) {
    // activeArrayListHasNumber is FALSE, right side is active
    stroke(col3); // 
    line (400, 10, 
      550, 10);
  }

  PVector prev = new PVector(-1, -1); 
  int y=50; 
  for (PVector pv : points3) {

    fill(col3); // Blue 

    if (showText) {
      // show data
      text(pv.x, 210+180, y); 
      text(pv.y, 210+180+80, y);
    }

    fill(0, 2, 2); 
    stroke(col3); // blue 
    float yvalue = map( pv.y, 0, height, 300, 355); 
    if (prev.x!=-1) {
      line(10 + pv.x*3, yvalue, 
        prev.x, prev.y);
    }
    noStroke(); 
    //   ellipse (10 + pv.x*3, yvalue, 4, 4);
    prev = new PVector(10 + pv.x*3, yvalue); 

    y+=20; //next line
  }//for

  if (showText) {
    // middle line 
    stroke(col3); // blue 
    line( 467, 30, 467, height);

    // double middle lines!!!   
    stroke(0); // BLACK 
    int x1=210+180+80+80; 
    line( x1-2, 30, x1-2, height); 
    line( x1+2, 30, x1+2, height);
  }
  //
}

void showData4() {
  //
  // show data 4 

  color col4 = color(155, 255, 112); 

  if (activeArrayListHasNumber==3) {
    // activeArrayListHasNumber is FALSE, right side is active
    stroke(col4); // 
    line (570, 10, 
      710, 10);
  }

  PVector prev = new PVector(-1, -1); 
  int y=50; 
  for (PVector pv : points4) {

    fill(col4); //  

    if (showText) {
      // show data
      text(pv.x, 210+180+180, y); 
      text(pv.y, 210+180+180+80, y);
    }

    fill(0, 2, 2); 
    stroke(col4); //  
    float yvalue = map( pv.y, 0, height, 300, 355); 
    if (prev.x!=-1) {
      line(10 + pv.x*3, yvalue, 
        prev.x, prev.y);
    }
    noStroke(); 
    //   ellipse (10 + pv.x*3, yvalue, 4, 4);
    prev = new PVector(10 + pv.x*3, yvalue); 

    y+=20; //next line
  }//for

  if (showText) {
    // middle line 
    stroke(col4); //  
    line( 210+180+180+80-4, 30, 210+180+180+80-4, height);
  }
  //
}

// ---------------------------------------------------------------

void serialEvent(Serial p) { 
  inString = p.readString(); 
  char primo=inString.charAt(0); // primo carattere
  String cifra=inString.substring(1); // da secondo carattere in poi
  float val=parseFloat(cifra); // valore da 0-255 o 0-1023, non sò cosa spedisce arduino


  print("val="); 
  println(val); 

  //   inString = trim(inString);

  //    // converte in int e mappa all'altezza dello schermo: 


  switch(primo) { 
    case ('A') : 
    myKnob1.setValue(val); 
    break; 
    case ('B') : 
    myKnob2.setValue(val); 
    break; 
    case ('C') : 
    myKnob3.setValue(val); 
    break; 
    case ('D') : 
    myKnob3.setValue(val); 
    break;
  }
}

void goBackToMainState() {

  // from help screen back to main screen

  // buttons ON 
  myKnob1.setVisible(true); 
  myKnob2.setVisible(true); 
  myKnob3.setVisible(true); 
  myKnob4.setVisible(true); 

  //go back to main screen 
  state=normal;

  // kill Esc so we stay in the program 
  key=0;
}

void  backspaceOnActiveList() {

  // for the key BACKSPACE 

  switch (activeArrayListHasNumber) {

  case 0:
    if (points1.size()>0)
      points1.remove(points1.size()-1);
    break; 

  case 1:
    if (points2.size()>0)
      points2.remove(points2.size()-1);
    break;

  case 2:
    if (points3.size()>0)
      points3.remove(points3.size()-1);
    break;

  case 3:
    if (points4.size()>0)
      points4.remove(points4.size()-1);
    break;
  }//switch
  //
}//func 

// ------------------------------------------------
// tools

String nameFromPath(String fileName1) {

  File file = new File(fileName1);
  String result = file.getName();
  return result;
} //func 
//

Chrisir

In this new version, file names are written under the 4 columns

My advice, read careful the entire code, think about what I do there, grab a pen of paper and make some notes about the components of the sketch

Chrisir

What I said about the buttons being redundant and the necessity to unify them in a list / array is also true for the 4 columns of data : they also share a lot of common code which contradicts the DRY principle of programming: don’t repeat yourself.

Chrisir

here is an example of buttons in an Array (list)

Button[] buttons;
String status=""; 

void setup() {

  size(440, 400);

  int unit = 40;
  int count = 440/unit;
  buttons = new Button[count];

  for (int x = 0; x < buttons.length; x++) {
    Button newButton = new Button(x*unit+6, 50, 
      25, 55, 
      color(255, 0, 0), color(0, 255, 0), color(0, 0, 255), 
      x);
    buttons[x] = newButton;
  }
}

void draw() {

  background(0, 0, 0); // black 

  text (status, 44, height-44); 

  for (Button but : buttons) {
    but.update();
    but.display();

    fill(0, 255, 0);  // green
    textAlign(CENTER); 
    text(but.index, but.x+but.sizeWidth/2, 40);
    textAlign(LEFT);
  }//for
}//func 

//_____________________________//

void mousePressed() {
  for (Button but : buttons) {
    but.press();
    if (but.pressed) {
      println(but.index);
      doCommand(but.index);
      break; // Other buttons won't be pressed, just stop
    }
  }
}

void mouseReleased() {
  for (Button but : buttons) {
    but.release();
  }
}

void doCommand(int cmd) {
  switch(cmd) {
  case 0:
    status="Interesting Button 0";
    break; 

  case 1:
    status="Button 1";
    break; 

  case 2:
    status="Now Button 2";
    break; 

  default:
    status="Something else...";
    break;
  }//switch
}//func 

//_____________________________//

class Button {

  int x, y; // The x- and y-coordinates
  int sizeWidth, sizeHeight; // Dimension (width and height)

  color baseGray; // Default gray value
  color overGray; // Value when mouse is over the button
  color pressGray; // Value when mouse is over and pressed

  boolean over = false; // True when the mouse is over
  boolean pressed = false; // True when the mouse is over and pressed

  int index;

  // constructor 
  Button(int xp_, int yp_, 
    int sizeWidth_, int sizeHeight_, 
    color b_, 
    color o_, 
    color p_, 
    int index_) {

    x = xp_;
    y = yp_;

    sizeWidth = sizeWidth_;
    sizeHeight = sizeHeight_; 

    baseGray = b_;
    overGray = o_;
    pressGray = p_;

    index=index_;
  } // constructor 

  // Updates the over field every frame
  void update() {
    if ((mouseX >= x) && (mouseX <= x + sizeWidth) &&
      (mouseY >= y) && (mouseY <= y + sizeHeight)) {
      over = true;
    } else {
      over = false;
    }
  }

  boolean press() {
    if (over) {
      pressed = true;
      return true;
    } else {
      return false;
    }
  }

  void release() {
    pressed = false; // Set to false when the mouse is released
  }

  void display() {

    if (pressed) {
      fill(pressGray);
    } else if (over) {
      fill(overGray);
    } else {
      fill(baseGray);
    }

    stroke(255);
    rect(x, y, sizeWidth, sizeHeight);
  }
}//class
//

brugola

Thanks Chrisir, the merit of where I arrived and all yours, I still have to study and apply myself so much ..... This is where I came to create the sketch ......

// https : // forum.processing.org/two/discussion/26719/save-and-load-array-list#latest

import processing.serial.*; 

Serial myPort;      // The serial port: 


// buttons above columns  pulsanti sopra  colonne
int[] arrayOfXValuesFrom = { 900, 1010,1120, 1230 };  
int[] arrayOfXValuesTFile = { 275, 305, 335, 365}; 
int[] arrayOfXValuesTo = { 990, 1100, 1210, 1320 };

// text for file names for each column   // testo per i nomi dei file per ogni colonna
String[] fileNames = { "not a file", 
  "not a file", 
  "not a file", 
  "not a file" };  

// 4 columns 
ArrayList<PVector> points1 = new ArrayList(); // 1st 
ArrayList<PVector> points2 = new ArrayList(); // 2nd
ArrayList<PVector> points3 = new ArrayList(); // 3rd 
ArrayList<PVector> points4 = new ArrayList(); // 4th

// active column 
int activeArrayListHasNumber = 0;  

// some flags for texts 
boolean showHelpText1 = false; 
boolean showText = true; 

String inString;  // Input string from serial port: 
int lf = 10;      // ASCII linefeed 
float deg, val,MasA,PCil,PAtm;

final String pathFolder="";//CARTELLA DI PERCORSO
final String fileExtension = ".txt";//estensione file

// unique numbers for constants: 
final int normal = 0;
final int save   = 1;
final int load   = 2;
final int help   = 3;
/// current state (must be one of them) 
/// stato attuale (deve essere uno di loro)
int state=normal;

// Paths 
String savePath=""; 
String loadPath=""; 


// --------------------------------------------------------------------------

void setup() {
  size(1350, 750);

  //// not necessary
  //for (int i = 0; i < 3; i++) { 
  //  points1.add(new PVector(i, 20 + 10*noise(i*0.1)));
  //}//for
  //for (int i = 0; i < 13; i++) { 
  //  points2.add(new PVector(i, 30 + 10*noise(i*0.1)));
  //}//for
  //for (int i = 0; i < 5; i++) { 
  //  points3.add(new PVector(i, 40 + 10*noise(i*0.1)));
  //}//for
  //for (int i = 0; i < 7; i++) { 
  //  points4.add(new PVector(i, 50 + 10*noise(i*0.1)));
  //}//for

  PFont  f= createFont ("Georgia", 25);

   // myPort = new Serial(this, "com3", 9600);  
  // myPort.bufferUntil(lf);
}

void draw() {

  switch (state) {

  case normal:
    drawForStateNormal() ;
    break; 

  case save:
    // wait for Save Dialog 
    waitForSaveDialog();
    break; 

  case load:
    // wait for Load Dialog 
    waitForLoadDialog();
    break;

  case help:
    // help
    drawForStateHelp() ;
    break; 

  default:
    //Error 
    println("Fail 192; unknown state: "
      +state);
    exit();
    break; 
    //
  } //switch
  //
}//func

// ------------------------------------------------

void drawForStateNormal() {

  background(245);
  {
      strokeWeight(2);//spessore linea rettangolo grafico
      stroke(50);;//colore contorno rettangolo grafico
    fill(245);
    rect(width-1320, height-590, 820, 565); //posizione e grandezza rettangolo grafico
    rect(width-490, height-495, 480, 120); //posizione e grandezza rettangolo nome file
    rect(width-490, height-740, 430, 235); //posizione e grandezza rettangolo valori
    //linee grafico verticali.
    strokeWeight(2);
    stroke (200);
    fill(255);
    line(width-1270,height-60,width-1270,height-580);
    line(width-1215,height-60,width-1215,height-580);
    line(width-1160,height-60,width-1160,height-580);
    line(width-1105,height-60,width-1105,height-580);
    line(width-1050,height-60,width-1050,height-580);
    line(width-995,height-60,width-995,height-580);
    line(width-940,height-60,width-940,height-580);
    line(width-885,height-60,width-885,height-580);
    line(width-830,height-60,width-830,height-580);
    line(width-775,height-60,width-775,height-580);
    line(width-720,height-60,width-720,height-580);
    line(width-665,height-60,width-665,height-580);
    line(width-610,height-60,width-610,height-580);
    line(width-555,height-60,width-555,height-580);

    //linee grafico verticali
    //line(width-1200,height-30,width-1200,height-580);
    //line(width-1200,height-30,width-1200,height-580);
    //line(width-1200,height-30,width-1200,height-580);
    //numeri grafico orizzontali
    stroke(0);
     strokeWeight(1);
    fill(0);
    line(width-1270,height-50,width-1270,height-60);
    line(width-1215,height-50,width-1215,height-60);
    line(width-1160,height-50,width-1160,height-60);
    line(width-1105,height-50,width-1105,height-60);
    line(width-1050,height-50,width-1050,height-60);
    line(width-995,height-50,width-995,height-60);
    line(width-940,height-50,width-940,height-60);
    line(width-885,height-50,width-885,height-60);
    line(width-830,height-50,width-830,height-60);
    line(width-775,height-50,width-775,height-60);
    line(width-720,height-50,width-720,height-60);
    line(width-665,height-50,width-665,height-60);
    line(width-610,height-50,width-610,height-60);
    line(width-555,height-50,width-555,height-60);
    line(width-1280,height-50,width-540,height-50);
   // line(width-1275,height-50,width-1275,height-580);// linea verticale bianca
    textSize(15);
    text("0,0",width-1280,height-30);  // numeri grafico
    text("1,0",width-1225,height-30);
    text("2,0",width-1170,height-30);
    text("3,0",width-1115,height-30);
    text("4,0",width-1060,height-30);
    text("5,0",width-1005,height-30);
    text("6,0",width-950,height-30);
    text("7,0",width-895,height-30);
    text("8,0",width-840,height-30);
    text("9,0",width-785,height-30);
    text("10,0",width-740,height-30);
    text("11,0",width-685,height-30);
    text("12,0",width-630,height-30);
    text("13,0",width-575,height-30);

    textSize(38);
    text(MasA,width-495,height-695);

    text(nf(PCil,0,2),width-200,height-695);
    text(nf(PAtm,0,2),width-200,height-617);
    //text(Temp,1000,200);
    text(((nf(PAtm- PCil,0,2))), width-200,height-539);
    textSize(16);
    text("(In/Wg)",width-200,height-670);
    text("(In/Wg)",width-200,height-592);
    text("(In/Wg)",width-200,height-514);
    text("(Kg/s)",width-485,height-670);
    strokeWeight(1);
    fill(0);   
    textSize(15); 
    text(" (mm)", width-1180, height-5);
    // text verticale
      fill(0);
    float x = width-1330;
    float y = height-130;
    textAlign(CENTER,BOTTOM);
    pushMatrix();
    translate(x,y);
    rotate(-HALF_PI);
    text("(Kg/s)",0,0);
    popMatrix(); 

    // tabella
     strokeWeight(2);//spessore linea rettangolo grafico
      stroke(50);;//colore contorno rettangolo grafico
    fill(245);
    rect(width-490, height-365, 480, 340);//posizione e grandezza rettangolo tabella
   // stroke(200);
    fill(0);
      text("0",width-470,height-290); //numeri tab.
    text("1",width-470,height-270);
    text("2",width-470,height-250);
    text("3",width-470,height-230);
    text("4",width-470,height-210);
    text("5",width-470,height-190);
    text("6",width-470,height-170);
    text("7",width-470,height-150);
    text("8",width-470,height-130);
    text("9",width-470,height-110);
    text("10",width-475,height-90);
    text("11",width-475,height-70);
    text("12",width-475,height-50);
    text("13",width-475,height-30);


    stroke(0);
     strokeWeight(1);
    fill(0);
    line(width-480,height-290,width-20,height-290);
    line(width-480,height-270,width-20,height-270);
    line(width-480,height-250,width-20,height-250);
    line(width-480,height-230,width-20,height-230);
    line(width-480,height-210,width-20,height-210);
    line(width-480,height-190,width-20,height-190);
    line(width-480,height-170,width-20,height-170);
    line(width-480,height-150,width-20,height-150);
    line(width-480,height-130,width-20,height-130);
    line(width-480,height-110,width-20,height-110);
    line(width-480,height-90,width-20,height-90);
    line(width-480,height-70,width-20,height-70);
    line(width-480,height-50,width-20,height-50);
    line(width-480,height-30,width-20,height-30);
    //line val
     line(width-490,height-662,width-60,height-662);
     line(width-347,height-505,width-347,height-740);
     line(width-490,height-584,width-60,height-584);
     line(width-204,height-505,width-204,height-740);





  textSize(14);
  showData1();
  showData2();
  showData3();
  showData4();

  //fill(255, 2, 2);
 textSize(77);
  text("thank you Chrisir", width-910,90);//TITOLO
  textSize(40);

  textAlign(LEFT);

  //// help
  if (showHelpText1) {
    float widthOfBox = 210; 
    fill(240, 544, 2); // yellow 
    stroke(0);         // black 
    rect(420, 27, widthOfBox, 322);
    fill(0);           // black 
    text("Use mouse above columns (or 0..3) to set the active table "
      +"which is marked by the horizontal line on top.\n\n"
      +"New, Load and Save are referring to the active table (and Backspace).\n"
      +"m to hide / show text data.\n\nHit x to hide / show this text.", 
      425, 30, widthOfBox-10, 522);
  }

  // ----------------------
  // buttons
  showButtons();

  // gray lines above columns 
  for (int i=0; i < arrayOfXValuesFrom.length; i++) {
    if (activeArrayListHasNumber!=i) {
      stroke(111); //
      strokeWeight(2.8); //spessore linea richiamo
      line (arrayOfXValuesFrom [i], 405, //linea richiamo
        arrayOfXValuesTo[i], 405);
      strokeWeight(0.8); //spessore linea richiamo
      line (arrayOfXValuesFrom [i]+10, 415, //
        arrayOfXValuesTo[i]-10, 415);
      line (arrayOfXValuesFrom [i]+10, 400-4, 
        arrayOfXValuesTo[i]-10, 400-4);
    }//if 
    fill(0);
    text (fileNames[i],
    875, arrayOfXValuesTFile [i]);             // posizione fileNames =                                           //
  }//for 

  // reset
  strokeWeight(1.0); 
}  //
} //draw

void drawForStateHelp() {

  // Help

  background(245);
  //MasA.setVisible(false);
  //PCil.setVisible(false);
  //PAtm.setVisible(false);
  ////myKnob4.setVisible(false); 

brugola

  fill(255, 2, 2);
  text("My little Graph program\n\nUse buttons on the right and below;\n"    //testo e posizione testo
    +"use Backspace to delete last data point of each list.\n\n"
    +"Use 1 and 2 to set the active table which is marked by the horizontal line on top.\n"
    +"New, Load and Save are referring to the active table (and also Backspace).\n\n"
    +"You can click now above each column to activate it.\n"
    +"You can press m to hide/show data text and x to show / hide quick help."
    +"\n\nHit any key to return to main program.", 
    113, 122, width-200, 422);
}

// --------------------------------------------------
// functions to show buttons funzione per mostrare i bottoni

void showButtons() {
  //
  strokeWeight(2);   
  stroke(0);
  textSize(15);

  fill(0);
  if ( overSave() ) {
    fill(#FF0303);
  }

  rect(width-50, height-740, 40, 20, 5);// modificato posizione bottone "salve"
  fill(255); 
  text("Save", 
    width-50+2, height-740+9+6);

  // ---

  fill(0);
  if ( overLoad() ) {
    fill(#49C3FA);
  }

  rect(width-50, height-710, 40, 20, 5);// modificato posizione" load"
  fill(255); 
  text("Load", 
    width-50+2, height-710+9+6);

  // ---

  fill(0);
  if ( overNew() ) {
    fill(#1FFF03);
  }

  rect(width-50, height-680, 40, 20, 5);// modificato posizione "new"
  fill(255); 
  text("New", 
    width-50+4, height-680+9+6);

  // ---

  fill(0);
  if ( overHelp() ) {
    fill(#1AAF03);
  }
  rect(width-50, height-650, 40, 20, 5);// modificato posizione "help"
  fill(255); 
  text("Help", 
    width-50+4, height-650+9+6);
}

//----------------------------------------------------------------------------
// functions to register if mouse is over buttons funzione da registrare se il mouse è sui pulsanti

boolean overSave() {            // modificato
  return mouseX > width-50 && 
    mouseY > height-740  && 
    mouseY < height-740+25 ;
}

boolean overLoad() {                 //modificato
  return mouseX > width-50 && 
    mouseY > height-710  && 
    mouseY < height-710+25 ;
}

boolean overNew() {                         //modificato
  return mouseX > width -50 && 
    mouseY > height-680  && 
    mouseY < height-680+25 ;
}

boolean overHelp() {                         //modificato
  return mouseX > width -50 && 
    mouseY > height-650  && 
    mouseY < height-650+25 ;
}

// ---------------------------------------------------------------------------
// Inputs 

void keyPressed() {

  if (state==help) {
    goBackToMainState();
    return;
  }

  if (state!=normal)
    return;

  //  
  if (  keyCode == BACKSPACE ) {
    //
    backspaceOnActiveList();
    //
  } 
  // ----
  else if ( keyCode == DELETE ) {
    //
    // ignore 
    //
  } else if  ( keyCode == ESC ) {
    //
    // If yellow help box is ON  
    if (showHelpText1) {
      showHelpText1 = false; // yellow help box off
    } else {
      // else toggle
      showText = !showText; // data text / tables
    }//else 
    // kill Esc so we stay in the program 
    key=0;
    //
  } 

  // ------

  else {
    if ( key != CODED ) {
      //
      switch(key) {

      case '0':
        activeArrayListHasNumber = 0; 
        break;

      case '1':
        activeArrayListHasNumber = 1; 
        break;

      case '2':
        activeArrayListHasNumber = 2; 
        break;

      case '3':
        activeArrayListHasNumber = 3; 
        break;

      case 'x':
        showHelpText1 = !showHelpText1; // yellow help box 
        break;

      case 'm':
        showText = !showText; // data text / tables 
        break;
        //
      }//switch
      //
    }//if
  }//else
}// func 

void mousePressed() {

  if (state==help) {
    goBackToMainState();
    return;
  }

  if (state!=normal)
    return;

  // for the buttons 
  if ( overSave() ) {
    initSave();
  }
  //---
  else if ( overLoad() ) {
    initLoad();
  } else if ( overHelp() ) {
    state=help;
  }
  //---
  else if ( overNew() ) {
    //
    if ( activeArrayListHasNumber==0 ) {
      points1.clear();            //cancellare punti con new
    } else if ( activeArrayListHasNumber==1 ) {
      points2.clear();            //cancellare punti con new
    } else if ( activeArrayListHasNumber==2 ) {
      points3.clear();            //cancellare punti con new
    } else if ( activeArrayListHasNumber==3 ) {
      points4.clear();            //cancellare punti con new
    }// else if

    // set name 
    fileNames[activeArrayListHasNumber] = "not a File"; 
    //
  }
  //---

  boolean done = false; 

  if (mouseY>390 && mouseY<425){
    for (int i=0; i < arrayOfXValuesFrom.length; i++) {
      if (mouseX>arrayOfXValuesFrom[i] && 
        mouseX<arrayOfXValuesTo[i]) { 
        //
        activeArrayListHasNumber=i;
        done = true; 
        break;
      }//if
    }//for
  }//if

  if (!done) {
    // points.add(new PVector(points.size(), mouseY/10));
    if ( activeArrayListHasNumber == 0 ) {
       points1.add(new PVector(points1.size(), MasA));
     // points1.add(new PVector(points1.size(), mouseY));
    } else if ( activeArrayListHasNumber == 1 ) {
      points2.add(new PVector(points2.size(), MasA));
      //points2.add(new PVector(points2.size(), mouseY));
    } else if ( activeArrayListHasNumber == 2 ) {
      points3.add(new PVector(points3.size(), MasA));
      //points3.add(new PVector(points3.size(), mouseY));
    } else if ( activeArrayListHasNumber == 3 ) {
      //points2.add(new PVector(points2.size(), MasA.getValue()));
      //points4.add(new PVector(points4.size(), mouseY));
      points4.add(new PVector(points4.size(), MasA));
    }
  }
}//func

// -------------------------------------------------
// Save and load 

void initSave() {
  // init save process 
  // reset
  savePath=""; 
  // make date time stamp (the expression nf(n,2) means leading zero: 2 becomes 02)
  String dateTimeStamp = year() 
    + nf(month(), 2) 
    + nf(day(), 2) 
    + "-"
    + nf(hour(), 2)
    + nf(minute(), 2)
    + nf(second(), 2); 
  // prepare fileDescription which occurs in the dialogue
  // prepara la descrizione del file che avviene nel dialogo
  File fileDescription = new File( sketchPath()
    + "//"
    + pathFolder 
    + "//"
    + dateTimeStamp
    + fileExtension); 
  // open the dialog  
  selectOutput("Select a file to write to", "fileSelectedSave", fileDescription); 
  // set state to wait
  state=save;
}

void initLoad() {
  // init load process 
  // reset
  loadPath=""; 
  // prepare fileDescription which occurs in the dialogue
  File fileDescription = new File( sketchPath()+"//"+pathFolder+"//"+"*" + fileExtension ); 
  // open the dialog
  selectInput("Select a file to load", "fileSelectedLoad", fileDescription); 
  // set state to wait
  state=load;
}

void fileSelectedSave(File selection) {
  // the 'callback' function
  if (selection == null) {
    // println("Window was closed or the user hit cancel.");


    // println ("La finestra è stata chiusa o l'utente ha premuto annulla.");
    // torna indietro

    state=normal; // go back
  } else {
    // println("User selected " + selection.getAbsolutePath());
    savePath=selection.getAbsolutePath();
  }
}

void fileSelectedLoad(File selection) {
  // the 'callback' function
  if (selection == null) {
    // println("Window was closed or the user hit cancel.");

    // go back 
    state=normal;
  } else {
    // println("User selected " + selection.getAbsolutePath());
    loadPath=selection.getAbsolutePath();
  }
}

void waitForSaveDialog() { 
  if (!savePath.equals("")) {
    // waiting is over
    saveIt(); 
    // go back 
    state=normal;
  }
}
void waitForLoadDialog() { 
  if (!loadPath.equals("")) {
    // waiting is over
    loadIt(); 
    // go back 
    state=normal;
  }
}

void saveIt() {
  // save

  // make array (to save it)
  String[] strs; 
  strs = new String[0]; 

  if (activeArrayListHasNumber==0) {
    strs = new String[points1.size()]; 
    int i=0; 
    for (PVector pv : points1) {
      strs[i]=str(pv.x)+","+str(pv.y); 
      i++;
    }//for
  }// 
  else if (activeArrayListHasNumber==1) {
    strs = new String[points2.size()]; 
    int i=0; 
    for (PVector pv : points2) {
      strs[i]=str(pv.x)+","+str(pv.y); 
      i++;
    }//for
  }//else
  else if (activeArrayListHasNumber==2) {
    strs = new String[points3.size()]; 
    int i=0; 
    for (PVector pv : points3) {
      strs[i]=str(pv.x)+","+str(pv.y); 
      i++;
    }//for
  }//else
  else if (activeArrayListHasNumber==3) {
    strs = new String[points4.size()]; 
    int i=0; 
    for (PVector pv : points4) {
      strs[i]=str(pv.x)+","+str(pv.y); 
      i++;
    }//for
  }//else

  // check if file extension (fileExtension, e.g. .txt) is there 
  int len = savePath.length(); 
  if (len<4 || !savePath.substring( len-4 ).equals(fileExtension)) {
    // file Extension is not present, we have to add it
    savePath += fileExtension; // add the file Extension
  } 

  // save 
  println("Saved: " + savePath); 
  saveStrings( savePath, strs );

  // get file name for list 
  fileNames[activeArrayListHasNumber] =  nameFromPath(savePath);
} //func

void loadIt() {
  // load
  if (activeArrayListHasNumber==0)
  {
    points1.clear();
  } else if (activeArrayListHasNumber==1)
  {
    points2.clear();
  } else if (activeArrayListHasNumber==2)
  {
    points3.clear();
  } else if (activeArrayListHasNumber==3)
  {
    points4.clear();
  }

  fileNames[activeArrayListHasNumber] =  nameFromPath(loadPath); 

  String[] strs = loadStrings( loadPath ); 
  for (String s : strs) {
    String[] thisLine=split(s, ","); 

    if (activeArrayListHasNumber==0) 
    {
      points1.add(new PVector(float(thisLine[0]), float(thisLine[1])));
    } else if (activeArrayListHasNumber==1)
    {
      points2.add(new PVector(float(thisLine[0]), float(thisLine[1])));
    } else if (activeArrayListHasNumber==2)
    {
      points3.add(new PVector(float(thisLine[0]), float(thisLine[1])));
    } else if (activeArrayListHasNumber==3)
    {
      points4.add(new PVector(float(thisLine[0]), float(thisLine[1])));
    }//else
    //
  }//for
}//func 

// -------------------------------------------------

void showData1() {
  //
  // show data 1

  PVector prev = new PVector(-1, -1); 
  int y=50; 

  if (activeArrayListHasNumber==0) {
    stroke(255, 2, 2); // RED
    line (900, 405, 990, 405);  //linea sopra tabella
    line (870, 260, 1330, 260); 
    line (870, 280, 1330, 280);// linee text file
    ellipse (865, 270, 6, 6);
  }

  for (PVector pv : points1) {

    if (showText) {
      fill(255, 2, 2); // RED 
      // show data
      text(pv.x, 970-50, y+410); 
      text(pv.y, 970, y+410);
    }

    fill(0, 2, 2); 
    stroke(255, 2, 2); // RED 
    float yvalue = map( pv.y, 0,1, 700, 180); //mappatura linea grafica RED
    if (prev.x!=-1) {
      line(80 + pv.x*55, yvalue, 
        prev.x, prev.y);// linea grafico red
    }
    stroke(150); 
     ellipse (80 + pv.x*55, yvalue, 4, 4);
    prev = new PVector(80 + pv.x*55, yvalue); 


    y+=20; //next line
  }//for

  if (showText) {
    // middle line 
    stroke(255, 2, 2); // RED 
    line(1275-330,440, 1275-330,720);

  }
  //
}

void showData2() {
  //
  // show data 2 

  if (activeArrayListHasNumber==1) {
    // activeArrayListHasNumber is FALSE, right side is active
    stroke(2, 255, 2); // GREEN
    line (1010, 405, 1100, 405);
    line (870, 290, 1330, 290);
    line (870, 310, 1330, 310);// linee text file
    ellipse (865, 300, 6, 6);

  }

brugola

  PVector prev = new PVector(-1, -1); 
  int y=50; 
  for (PVector pv : points2) {

    if (showText) {
      fill(0, 255, 2); // GREEN 
      // show data
     // text(pv.x, 210, y); 
       text(pv.x, 1080-50, y+410);
       text(pv.y, 1080, y+410);
    }

    fill(0, 2, 2); 
    stroke(0, 255, 2); // GREEN 
    float yvalue = map( pv.y, 0,1, 700, 180); // dimensione grafico GREEN
    if (prev.x!=-1) {
      line(80 + pv.x*55, yvalue, // linea grafico verde
        prev.x, prev.y);

    }
    noStroke(); 
    ellipse (80 + pv.x*55, yvalue, 4, 4);
    prev = new PVector(80 + pv.x*55, yvalue);

    y+=20; //next line
  }//for

  if (showText) {
  //  // middle line 
    stroke(0, 255, 2); // GREEN 
    line( 1275-220, 440, 1275-220, 720);// linea divisoria

  }
  ////
}

void showData3() {
  //
  // show data 3

  color col3 = color(0, 2, 255); // BLUE 

  if (activeArrayListHasNumber==2) {
    // activeArrayListHasNumber is FALSE, right side is active
    stroke(col3); // 
    line (1120, 405, 
      1210, 405);
     line (870, 320, 1330, 320);
    line (870, 340, 1330, 340);
     ellipse (865, 330, 6, 6);
  }

  PVector prev = new PVector(-1, -1); 
  int y=50; 
  for (PVector pv : points3) {

    fill(col3); // Blue 

    if (showText) {
      // show data
      text(pv.x, 1190-50, y+410); 
      text(pv.y, 1190, y+410);// 
    }

    fill(0, 2, 2); 
    stroke(col3); // blue 
    //float yvalue = map( pv.y, 0, height, 300, 355); 
    //if (prev.x!=-1) {
    //  line(10 + pv.x*3, yvalue, 
    //    prev.x, prev.y);
         float yvalue = map( pv.y, 0,1, 700, 180); // dimensione grafico GREEN
    if (prev.x!=-1) {
      line(80 + pv.x*55, yvalue, // linea grafico verde
        prev.x, prev.y);
    }
    noStroke(); 

  ellipse (80 + pv.x*55, yvalue, 4, 4);
    prev = new PVector(80 + pv.x*55, yvalue);
    y+=20; //next line
  }//for

  if (showText) {
 //   // middle line 
   stroke(col3); // blue 
    line( 1275-110,440,1275-110,720);

  }
  //
}

void showData4() {
  //
  // show data 4 

  color col4 = color(#FF00E6); 

  if (activeArrayListHasNumber==3) {
    // activeArrayListHasNumber is FALSE, right side is active
    stroke(col4); // 
    line (1230,405,1320,405);
    line (870, 350, 1330, 350);
    line (870, 370, 1330, 370);
     ellipse (865, 360, 6, 6);
  }

  PVector prev = new PVector(-1, -1); 
  int y=50; 
  for (PVector pv : points4) {

    fill(col4); //  

    if (showText) {
      // show data
      text(pv.x, 1300-50, y+410); 
      text(pv.y, 1300, y+410);
    }

    fill(0, 2, 2); 
    stroke(col4); //  
    //float yvalue = map( pv.y, 0, height, 300, 355); 
    //if (prev.x!=-1) {
    //  line(10 + pv.x*3, yvalue, 
    //    prev.x, prev.y);
     float yvalue = map( pv.y, 0,1, 700, 180); // dimensione grafico viola
    if (prev.x!=-1) {
      line(80 + pv.x*55, yvalue, // linea grafico viola
        prev.x, prev.y);
    }
    noStroke(); 
    ////   ellipse (10 + pv.x*3, yvalue, 4, 4);
    //prev = new PVector(10 + pv.x*3, yvalue);
     ellipse (80 + pv.x*55, yvalue, 4, 4);
    prev = new PVector(80 + pv.x*55, yvalue);

    y+=20; //next line
  }//for

  if (showText) {
    // middle line 
    stroke(col4); //  
    line( 1275, 440, 1275, 720);
  }
   { stroke(0); // BLACK 

    line( 1220, 400, 1220, 720); 
    line( 1220-110, 400, 1220-110, 720); 
    line( 1220-220, 400, 1220-220, 720); 

   }
}

// ---------------------------------------------------------------
 void serialEvent(Serial p) { 
  while (myPort.available() > 0) {
  inString = p.readString(); 
  char primo=inString.charAt(0);  // primo carattere
  String cifra=inString.substring(1);  // da secondo carattere in poi
  float val=parseFloat(cifra);          // valore da 0-255 o 0-1023, non sò cosa spedisce arduino
  print("primo=");  println(primo); //debug

  print("cifra=");  println(cifra); //debug
  print("val=");    println(val);
 // print(nf(val,0,2));
  switch(primo) { 
    case ('A'): MasA=(val);
     break;

    case ('B'): PCil=(val);
     break;  

    case ('C'): PAtm=(val);
      break;

   // case ('D'): Temp=(val);
     // break;
  } 
}
}

void goBackToMainState() {

  // from help screen back to main screen

  // buttons ON 
 //MasA.setVisible(true); 
 // PCil.setVisible(true); 
 // PAtm.setVisible(true); 
 // myKnob4.setVisible(true); 

  //go back to main screen 
  state=normal;

  // kill Esc so we stay in the program 
  key=0;
}

void  backspaceOnActiveList() {

  // for the key BACKSPACE 

  switch (activeArrayListHasNumber) {

  case 0:
    if (points1.size()>0)
      points1.remove(points1.size()-1);
    break; 

  case 1:
    if (points2.size()>0)
      points2.remove(points2.size()-1);
    break;

  case 2:
    if (points3.size()>0)
      points3.remove(points3.size()-1);
    break;

  case 3:
    if (points4.size()>0)
      points4.remove(points4.size()-1);
    break;
  }//switch
  //
}//func 

// ------------------------------------------------
// tools

String nameFromPath(String fileName1) {

  File file = new File(fileName1);
  String result = file.getName();
  return result;
} //func 
//

Chrisir

Can you read data from arduino now...?

brugola

Read them

brugola

yes....

Chrisir

;-)

brugola

however, from me it is said the appetite is eating .....

Chrisir

What do you mean by this?