euglena/src/Menu.java

import processing.core.*;
import static processing.core.PApplet.*;
import controlP5.*;

class Menu {
    final int width = 200; // Width of toolbar on left side of display

    EuglenaApplet parent;

    private Button resetButton, calibrateButton, commitButton, lineButton, freehandButton, eraserButton, goButton;
    private Textfield redField, greenField, blueField, backgroundField, penwidthField,
            lagField, totaltimeField, speedField;
    private DropdownList shapesList, animateList, presetsList, gamesList;

    private ControlP5 cp5;

    private Group g1, g2, g3;

    Menu(EuglenaApplet applet){
        parent = applet;

        cp5 = new ControlP5(applet).setPosition(applet.width - width, 0);

        g1 = cp5.addGroup("Textfields");
        g2 = cp5.addGroup("Dropdown2");
        g3 = cp5.addGroup("Dropdown1");

        resetButton = cp5.addButton("Reset")
                .setPosition(20, 200)
                .setSize(70, 35)
                .moveTo(g1);
        calibrateButton = cp5.addButton("Calibrate")
                .setPosition(110, 200)
                .setSize(70, 35)
                .moveTo(g1);

        redField = cp5.addTextfield("Red (0-255)")
                .setPosition(20, 275)
                .setSize(70, 35)
                .setAutoClear(false)
                .moveTo(g1);
        greenField = cp5.addTextfield("Green (0-255)")
                .setPosition(20, 325)
                .setSize(70, 35)
                .setAutoClear(false)
                .moveTo(g1);
        blueField = cp5.addTextfield("Blue (0-255)")
                .setPosition(20, 375)
                .setSize(70, 35)
                .setAutoClear(false)
                .moveTo(g1);
        backgroundField = cp5.addTextfield("Background (0-255)")
                .setPosition(20, 425)
                .setSize(70, 35)
                .setAutoClear(false)
                .moveTo(g1);
        penwidthField = cp5.addTextfield("Pen Width")
                .setPosition(20, 475)
                .setSize(70, 35)
                .setAutoClear(false)
                .moveTo(g1);

        speedField = cp5.addTextfield("Speed")
                .setPosition(110, 275)
                .setSize(70, 35)
                .setAutoClear(false)
                .moveTo(g1);
        lagField = cp5.addTextfield("Timelapse lag")
                .setPosition(110, 325)
                .setSize(70, 35)
                .setAutoClear(false)
                .moveTo(g1);
        totaltimeField = cp5.addTextfield("Total time")
                .setPosition(110, 375)
                .setSize(70, 35)
                .setAutoClear(false)
                .moveTo(g1);


        commitButton = cp5.addButton("Commit")
                .setPosition(110, 450)
                .setSize(70, 35)
                .moveTo(g1);

        lineButton = cp5.addButton("Line")
                .setPosition(20, 550)
                .setSize(50, 35)
                .moveTo(g1);
        freehandButton = cp5.addButton("Freehand")
                .setPosition(75, 550)
                .setSize(50, 35)
                .moveTo(g1);
        eraserButton = cp5.addButton("Eraser")
                .setPosition(130, 550)
                .setSize(50, 35)
                .moveTo(g1);

        shapesList = cp5.addDropdownList("Shapes")
                .setPosition(20, 650)
                .setSize(70, 100)
                .setBarHeight(35)
                .addItem("Ellipse", "Ellipse")
                .addItem("Rectangle", "Rectangle")
                .addItem("Triangle", "Triangle")
                .addItem("None", "Default")
                .close()
                .moveTo(g3);

        animateList = cp5.addDropdownList("Animate")
                .setPosition(110, 650)
                .setSize(70, 100)
                .setBarHeight(35)
                .addItem("Shrink", "Shrink")
                .addItem("Expand", "Expand")
                .addItem("Translate", "Translate")
                .addItem("Rotate", "Rotate")
                .addItem("None", "Default")
                .close()
                .moveTo(g3);

        presetsList = cp5.addDropdownList("Presets")
                .setPosition(20, 700)
                .setSize(70, 100)
                .setBarHeight(35)
                .addItem("Clear screen", "Clear screen")
                .addItem("Flow up", "Flow up")
                .addItem("Flow down", "Flow down")
                .addItem("Flow right", "Flow right")
                .addItem("Flow left", "Flow left")
                .addItem("Contain", "Contain")
                .addItem("Split", "Split")
                .addItem("Merge", "Merge")
                .addItem("Slow move", "Slow move")
                .addItem("Fast move", "Fast move")
                .addItem("Slow compress", "Slow compress")
                .addItem("Fast compress", "Fast compress")
                .addItem("??","??")
                .close()
                .moveTo(g2);

//        goButton = cp5.addButton("Go")
//                .setPosition(20, 750)
//                .setSize(70, 20)
//                .moveTo(g1);

        gamesList = cp5.addDropdownList("Games")
                .setPosition(110, 700)
                .setSize(70, 100)
                .setBarHeight(35)
                .addItem("Level 1", "Level 1")
                .addItem("Level 2", "Level 2")
                .addItem("Level 3", "Level 3")
                .close()
                .moveTo(g2);
    }

    void draw(EuglenaApplet a, LEDControl led) {
        drawBackground(a);
        drawArrows(a, led);
    }

    void drawArrows(EuglenaApplet a, LEDControl leds) {
        a.strokeWeight(8);

        int onColor = a.color(255, 255, 51);
        int offColor = a.color(255, 255, 255);

        int xOffset = a.width - width;

        a.stroke(leds.isActive(LEDControl.Direction.RIGHT) ? onColor : offColor);
        a.drawArrow(xOffset + 120, 80, 30, 0);

        a.stroke(leds.isActive(LEDControl.Direction.DOWN) ? onColor : offColor);
        a.drawArrow(xOffset + 100, 100, 30, 90);

        a.stroke(leds.isActive(LEDControl.Direction.LEFT) ? onColor : offColor);
        a.drawArrow(xOffset + 80, 80, 30, 180);

        a.stroke(leds.isActive(LEDControl.Direction.UP) ? onColor : offColor);
        a.drawArrow(xOffset + 100, 60, 30, 270);
    }

    void drawBackground(EuglenaApplet a) {
        a.rectMode(EuglenaApplet.CORNER);

        a.noStroke();
        a.fill(0);
        a.rect(a.width - width, 0, width, a.height);
    }

    void controlEvent(ControlEvent theEvent) {
        //println(theEvent);
        if (theEvent.isFrom(shapesList)) {
            switch((int) shapesList.getValue()) {
                case 0:
                    parent.clickGetter = new Ellipse(parent.penColor, parent.penWidth)
                                                .makeClickGetter(parent.projectorApplet);
                    break;
                case 1:
                    parent.clickGetter = new Rectangle(parent.penColor, parent.penWidth)
                                                .makeClickGetter(parent.projectorApplet);
                    break;
                case 2:
                    parent.clickGetter = new Triangle(parent.penColor, parent.penWidth)
                                                .makeClickGetter(parent.projectorApplet);
                    break;
            }
        } else if (theEvent.isFrom(animateList)){
            switch((int) animateList.getValue()) {
                case 0:
//                    shrink.reset();
                    break;
                case 1:
//                    expand.reset();
                    break;
                case 2:
//                    translate.reset();
                    break;
                case 3:
//                    rotate.reset();
                    break;
            }
        } else if (theEvent.isFrom(presetsList)){
//            preset = (int) presetsList.getValue();
        } else {
            switch (theEvent.getLabel()) {
                case "Commit":
                    try {
                        int rVal = Integer.parseInt(redField.getText());
                        int gVal = Integer.parseInt(greenField.getText());
                        int bVal = Integer.parseInt(blueField.getText());
                        parent.penColor = parent.color(rVal, gVal, bVal);
                    } catch (NumberFormatException e) {
                        println("Ignored non-numeric color.");
                    }

                    try {
                        parent.penWidth = Integer.parseInt(penwidthField.getText());
                    } catch (NumberFormatException e) {
                        println("Ignored bad pen width");
                    }

                    try {
                        parent.projectorApplet.setBgColor(Integer.parseInt(backgroundField.getText()));
                    } catch (NumberFormatException e) {
                        println("Ignored bad background color.");
                    }
//                    parent.lagTime = Integer.parseInt(lagField.getText());
//                    parent.totalTime = Integer.parseInt(totaltimeField.getText());
//                    parent.speed = Integer.parseInt(speedField.getText());
                    break;

                case "Reset":
                    parent.reset();
                    break;

                case "Calibrate":
                    parent.projectorApplet.calibrator.toggle();
                    break;

                case "Eraser":
                    parent.penColor = parent.color(0, 0, 0);
                    break;

                case "Line":
                    parent.clickGetter = new Line(parent.penColor, parent.penWidth)
                                                .makeClickGetter(parent.projectorApplet);
                    break;
            }
        }
    }
}