MenuScreen.pde

//this class is used for displaying the main menu screen
class MenuScreen {

  //declare a variable to store a reference to the class that called it
  private RedPanda context;
  //create image arrays to store the button images
  private PImage[] programme = new PImage[3];
  private PImage[] profile = new PImage[3];
  private PImage[] progress = new PImage[3];
  private PImage[] comments = new PImage[3];
  private PImage[] logout = new PImage[3];
  //create arrays to store the buttons and textlabels
  private Button []buttons;
  private Textlabel [] textlabels;
  //String for welcome message
  String welcomeMessage;
  //cp5 group
  private Group menuGroup;
  //Start boolean for handtracking
  //Timer for hand tracking
  boolean start = false;
  int timer;

  //constructor set the context to the class that called it
  public MenuScreen(RedPanda c) {
    this.context = c;
  }

  //this function loads the assets used by the class
  void loadImages() {

    //load images for buttons
    this.programme[0]  = loadImage("images/NewUI/programme.jpg");
    this.programme[1]  =loadImage("images/NewUI/programmeOver.jpg");
    this.programme[2]  =this.programme[0];
    this.profile[0] = loadImage("images/NewUI/profile.jpg");
    this.profile[1] =loadImage("images/NewUI/profileOver.jpg");
    this.profile[2] = this.profile[0];
    this.progress[0] = loadImage("images/NewUI/progress.jpg");
    this.progress[1] = loadImage("images/NewUI/progressOver.jpg");
    this.progress[2] = this.progress[0];
    this.comments[0] = loadImage("images/NewUI/comments.jpg");
    this.comments[1] =loadImage("images/NewUI/commentsOver.jpg");
    this.comments[2] =this.comments[0];
    this.logout[0] = loadImage("images/NewUI/logout.jpg");
    this.logout[1] =loadImage("images/NewUI/logoutOver.jpg");
    this.logout[2] =this.logout[0];
  }

  //create the programmes screen UI and initialises variables
  public void create(User user, Record record) {
    //If there is a valid record object
    //Parse the date and create a welcome message
    if (record.getRecord_id() != -1) {
      String date = String.valueOf(record.getDateDone());
      //Date date = new Date();
      int Year=int(date.substring(0, 4));
      int Month=int(date.substring(4, 6));
      int Day=int(date.substring(6, 8));
      welcomeMessage = ("Welcome " + user.getFirst_name() + ".\nYou last completed an exercise on : " + Year + " / " + Month + " / " + Day);
    }
    //If record object is not valid create a different welsome message
    else {
      welcomeMessage = ("Welcome " + user.getFirst_name() + ". Lets get started");
    }
    //Set cp5 autodraw to false 
    //Set start to false for hand tracking to reset
    cp5.setAutoDraw(false);
    start = false;

    //Add cp5 group
    menuGroup = cp5.addGroup("menuGroup")
      .setPosition(0, 0)
        .hideBar()
          ;

    //Initialise buttons array
    buttons = new Button[5];

    //Button for programme
    buttons[0] = cp5.addButton("programme")
      .setPosition(10, 10)
        .setImages(programme)
          .updateSize()
            .setGroup(menuGroup);

    //Button for profile
    buttons[1] = cp5.addButton("profile")
      .setPosition(465, 10)
        .setImages(profile)
          .updateSize()
            .setGroup(menuGroup) ;

    //Button for progress
    buttons[2] = cp5.addButton("progress")
      .setPosition(10, 238)
        .setImages(progress)
          .updateSize()
            .setGroup(menuGroup);

    //Button for comments
    buttons[3] = cp5.addButton("comments")
      .setPosition(465, 238)
        .setImages(comments)
          .updateSize()
            .setGroup(menuGroup);

    //Button for logout
    buttons[4] = cp5.addButton("logout")
      .setPosition(978, 10)
        .setImages(logout)
          .updateSize()
            .setGroup(menuGroup);

    //Initialise textlabels array
    textlabels = new Textlabel[1];

    //Text label to hold start message
    textlabels[0] = cp5.addTextlabel("message")
      .setText(welcomeMessage)
        .setPosition(10, 538)
          .setWidth(465)
            .setHeight(40)
              .setColorValue(color(51, 196, 242))
                .setFont(createFont("Arial", 30))
                  .setGroup(menuGroup)
                    ;
  }

  //Function to draw UI
  void drawUI() {
    cp5.draw();
  }


  //CheckBtn called from main file, sending in the converted 3d perspective 
  //positioning of the left and right hand into a flat plane
  void checkBtn(PVector convertedLeftJoint, PVector convertedRightJoint ) {

    //set PVectors to vectors sent in
    PVector leftHand = convertedLeftJoint;
    PVector rightHand = convertedRightJoint;
    //If left hand x position is within the boundaries of the button
    //Start is set to false initially, once left hand x is within these boundaries start will be set to true
    //the timer will be set and loaderOn() is called, which changes the hand image to a loader gif
    if (leftHand.x > (10/2.5) && leftHand.x < (459/2.5) && leftHand.y > (10/2.5) && leftHand.y < (232/2.5))
    {
      if (start == false) {
        println("Over Programme");
        start = true;
        timer = millis();
        loaderOn();
      }
      if (checkTimer()) {
        println("Program called");
        makeProgramme();
      }
    }//If left hand x position is within the boundaries of the button
    //Start is set to false initially, once left hand x is within these boundaries start will be set to true
    //the timer will be set and loaderOn() is called, which changes the hand image to a loader gif
    else if (leftHand.x > (465/2.5) && leftHand.x < (684/2.5) && leftHand.y > (10/2.5) && leftHand.y < (232/2.5))
    {
      if (start == false) {
        println("Over Profile");
        start = true;
        timer = millis();
        loaderOn();
      }
      if (checkTimer()) {
        println("Profile Called");
        makeProfile();
      }
    }//If left hand x position is within the boundaries of the button
    //Start is set to false initially, once left hand x is within these boundaries start will be set to true
    //the timer will be set and loaderOn() is called, which changes the hand image to a loader gif
    else if (leftHand.x > (10/2.5) && leftHand.x < (459/2) && leftHand.y > (238/2.5) && leftHand.y < (456/2.5))
    {
      if (start == false) {
        println("Over Progress");
        start = true;
        timer = millis();
        loaderOn();
      }
      if (checkTimer()) {
        println("Progress called");
        makeProgress();
      }
    }//If left hand x position is within the boundaries of the button
    //Start is set to false initially, once left hand x is within these boundaries start will be set to true
    //the timer will be set and loaderOn() is called, which changes the hand image to a loader gif
    else if (leftHand.x > (465/2.5) && leftHand.x < (684/2.5) && leftHand.y > (238/2.5) && leftHand.y < (456/2.5))
    {
      if (start == false) {
        println("Over Comments");
        start = true;
        timer = millis();
        loaderOn();
      }
      if (checkTimer()) {
        println("Comemnts called");
        makeComments();
      }
    }//If left hand x position is within the boundaries of the button
    //Start is set to false initially, once left hand x is within these boundaries start will be set to true
    //the timer will be set and loaderOn() is called, which changes the hand image to a loader gif
    else if (leftHand.x > (978/2.5) && leftHand.x < (1190/2.5) && leftHand.y > (10/2.5) && leftHand.y < (85/2.5))
    {
      if (start == false) {
        println("Over Logout");
        start = true;
        timer = millis();
        loaderOn();
      }
      if (checkTimer()) {
        println("Logout Called");
        makeLogout();
      }
    }
    //If left hand position goes outside the boundaries of the button set start to false again
    //Turn off loading gif image, replace for hand image.
    else {
      start = false;
      loaderOff();
    }
  }

  //checkTimer will only return true if passed time is greater than the total time set.
  public boolean checkTimer() {
    int totalTime = 7000;
    boolean checkInt = false;
    if (start) {
      int passedTime = millis() - timer;
      if (passedTime > totalTime) {
        checkInt = true;
      }
      else {
        checkInt = false;
      }
    }
    return checkInt;
  }

  //this function is called to remove the buttons and group UI elements
  void destroy() {
    for ( int i = 0 ; i < buttons.length; i++ ) {
      buttons[i].remove();
      buttons[i] = null;
    }
    for ( int i = 0 ; i < textlabels.length ; i++ ) {
      textlabels[i].remove();
      textlabels[i] = null;
    }
    cp5.getGroup("menuGroup").remove();
  }
}