Pad.java :  » MIDI » fingerplaymidi » com » flat20 » gui » widgets » Android Open Source

package com.flat20.gui.widgets;

import com.flat20.fingerplay.midicontrollers.IMidiController;
import com.flat20.gui.Materials;
import com.flat20.gui.sprites.MaterialSprite;

public class Pad extends MidiWidget {

  // A dropshadow from DefaultMidiWidget.
  final protected static int BACKGROUND_PADDING = 6;
  final protected MaterialSprite mBackground;

  final private MaterialSprite mDefault;
  final private MaterialSprite mClicked;


  // IMidiController implementations and variables.

  final private static int CC_TOUCH = 0;

  //protected Parameter[] mParameters = {new Parameter(CC_TOUCH, 0, "Press", Parameter.TYPE_NOTE, false)};
/*
  public Parameter[] getParameters() {
    return sParameters;
  }

  public Parameter getParameterById(int parameterId) {
    for (int i=0; i<sParameters.length; i++) {
      if (sParameters[i].id == parameterId)
        return sParameters[i];
    }
    return null;
  }
*/
  public Pad(IMidiController midiController) {
    super(midiController);

    mBackground = new MaterialSprite(Materials.MC_BACKGROUND);
        mBackground.x = -BACKGROUND_PADDING;
        mBackground.y = -BACKGROUND_PADDING;
        addSprite( mBackground );

    mDefault = new MaterialSprite(Materials.BUTTON_GREY, width, height);
    addSprite(mDefault);

    mClicked = new MaterialSprite(Materials.BUTTON_GREY_HIGHLIGHT, width, height);
    mClicked.visible = false;
    addSprite(mClicked);

    setSize(32, 32);
  }

  public void setSize(int w, int h) {
    super.setSize(w, h);

    mBackground.setSize(w + (BACKGROUND_PADDING*2), h + (BACKGROUND_PADDING*2));

    mDefault.setSize(w, h);
    mClicked.setSize(w, h);
  }

  @Override
  public boolean onTouchDown(int touchX, int touchY, float pressure, int pointerId) {
    press(pressure);
    //sendNoteOn(0, Math.min(0x7F, Math.round(0x7F * (pressure*3))));
    //mMeter.visible = true;
    return true;
  }



  @Override
  public boolean onTouchUp(int touchX, int touchY, float pressure, int pointerId) {
    release(pressure);
    //sendNoteOff(CC_TOUCH, Math.min(0x7F, Math.round(0x7F * (pressure*3))));
    //mMeter.visible = false;
    return true;
  }

  @Override
  public boolean onTouchUpOutside(int touchX, int touchY, float pressure, int pointerId) {
    release(pressure);
    return true;
  }

  @Override
  protected void press(float pressure) {

    getMidiController().sendParameter(CC_TOUCH, 0x7F);
    /*
    if (sParameters[CC_TOUCH].type == Parameter.TYPE_CONTROL_CHANGE)
      sendControlChange(CC_TOUCH, 0x7F);
    else
      sendNoteOn(CC_TOUCH, Math.min(0x7F, Math.round(0x7F * (pressure*3))));
    */

    mClicked.visible = true;
  }
  
  @Override
  protected void release(float pressure) {

    getMidiController().sendParameter(CC_TOUCH, 0x00);
    /*
    if (sParameters[CC_TOUCH].type == Parameter.TYPE_CONTROL_CHANGE)
      sendControlChange(CC_TOUCH, 0x00);
    else
      sendNoteOff(CC_TOUCH,0x00);
      */

    mClicked.visible = false;
  }

}