Android Open Source - Save-the-Planet Progress View

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License

The source code is released under:

Copyright (c) 2002 JSON.org Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software ...

Java Source Code

package com.karolmajta.stp.views;
/*from   w w  w . ja v  a 2s .co m*/
import com.karolmajta.stp.models.IProgress;

import processing.core.PApplet;
import processing.core.PFont;

public class ProgressView extends View<IProgress> {
  private static final int SHOW = 0;
  private static final int SHRINK = 1;
  private static final int HIDE = 2;
  
  private static final float SHRINK_SPEED = 0.001f;
  private static final float ALPHA_SPEED = 0.5f;
  private static final int OVERLAY = 0xff000000;
  
  private int mode;
  private Integer lastTick = null;
  private Integer deltaTime = null;
  private float textX;
  private float alpha = 0;
  
  private String name;
  private PFont pFont;
  private float x;
  private float y;
  private float w;
  private float outerHeight;
  private float innerHeight;
  private int background;
  private int inactiveBar;
  private int activeBar;
  
  public ProgressView
      (
          String name,
          PFont pFont,
          float x,
          float y,
          float w,
          float outerHeight,
          float innerHeight,
          int background,
          int inactiveBar,
          int activeBar
      ) {
    this.mode = SHOW;
    
    this.name = name;
    this.pFont = pFont;
    this.x = x;
    this.y = y;
    this.w = w;
    textX = x+(w/2);
    this.outerHeight = outerHeight;
    this.innerHeight = innerHeight;
    this.background = background;
    this.inactiveBar = inactiveBar;
    this.activeBar = activeBar;
  }
  
  @Override
  protected void onDraw(PApplet p) {
    int newTick = p.millis();
    if(lastTick == null){
      lastTick = newTick;
    }
    deltaTime = newTick - lastTick;
    lastTick = newTick;
    
    switch(mode){
      case SHOW:
        show(p);
        break;
      case SHRINK:
        shrink(p);
        break;
      case HIDE:
        hide(p);
        break;
    }
  }
  
  private void show(PApplet p) {
    float midpoint = w*((float)model.getProcessed()/model.getTotal());
    
    int prevStroke = p.g.strokeColor;
    float prevWeight = p.g.strokeWeight;
    int prevTextAlign = p.g.textAlign;
    PFont prevPFont = p.g.textFont;
    
    p.stroke(background);
    p.strokeWeight(outerHeight);
    
    p.line(x, y, x+w, y);
    
    p.stroke(inactiveBar);
    p.strokeWeight(innerHeight);
    
    p.line(x, y, x+w, y);
    
    p.stroke(activeBar);
    
    p.line(x, y, x+midpoint, y);
    
    p.stroke(background);
    if(pFont != null){
      p.textFont(pFont);
    }
    p.textAlign(p.CENTER);
    p.text(name, textX, y+3.5f*outerHeight, p.width);
    
    p.stroke(prevStroke);
    p.strokeWeight(prevWeight);
    p.textAlign(prevTextAlign);
    if(prevPFont != null){
      p.textFont(prevPFont);
    }
    
    if(!model.hasNextTask() && mode == SHOW){
      mode = SHRINK;
    }
  }
  
  private void shrink(PApplet p) {
    float vel = p.width*SHRINK_SPEED;
    if(x < p.width/2){
      x += vel*deltaTime;
    }else{
      x = p.width/2+0.1f;
    }
    if(w > 0){
      w -= 2*vel*deltaTime;
    }else{
      w = -0.1f;
    }
    show(p);
    
    if(w < 1 && x > p.width/2){
      mode = HIDE;
    }
  }
  
  private void hide(PApplet p) {
    show(p);
    int prevColor = p.g.fillColor;
    
    float red = p.red(OVERLAY);
    float green = p.green(OVERLAY);
    float blue = p.blue(OVERLAY);
    
    p.fill(red, green, blue, alpha);
    p.ellipse(textX, y, p.width/3, p.width/3);
    
    p.fill(prevColor);
    
    if(alpha < 255){
      alpha += ALPHA_SPEED*deltaTime;
    }
    if(alpha > 254){
      setVisible(false);
    }
  }
}

Java Source Code List

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