/*
* _______ _____ _____ _____
* |__ __| | __ \ / ____| __ \
* | | __ _ _ __ ___ ___ ___| | | | (___ | |__) |
* | |/ _` | '__/ __|/ _ \/ __| | | |\___ \| ___/
* | | (_| | | \__ \ (_) \__ \ |__| |____) | |
* |_|\__,_|_| |___/\___/|___/_____/|_____/|_|
*
* -------------------------------------------------------------
*
* TarsosDSP is developed by Joren Six at IPEM, University Ghent
*
* -------------------------------------------------------------
*
* Info: http://0110.be/tag/TarsosDSP
* Github: https://github.com/JorenSix/TarsosDSP
* Releases: http://0110.be/releases/TarsosDSP/
*
* TarsosDSP includes modified source code by various authors,
* for credits and info, see README.
*
*/
package be.tarsos.dsp.ui.layers.pch;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import java.awt.geom.Point2D;
import java.util.Arrays;
import be.tarsos.dsp.ui.Axis;
import be.tarsos.dsp.ui.CoordinateSystem;
import be.tarsos.dsp.ui.LinkedPanel;
import be.tarsos.dsp.ui.layers.Layer;
import be.tarsos.dsp.ui.layers.LayerUtilities;
public class ScaleLayer extends MouseAdapter implements Layer, MouseMotionListener, KeyListener {
private double movingElement = -1.0;
private double[] scale;
private final CoordinateSystem cs;
private final boolean enableEditor;
public ScaleLayer(CoordinateSystem cs,boolean enableEditor) {
this.cs = cs;
double[] scale = {0,100,200,400,1000,1100};
this.scale = scale;
this.enableEditor = enableEditor;
}
@Override
public String getName() {
return "Scale Editor Layer";
}
public void setScale(double[] newScale){
scale = newScale;
}
@Override
public void draw(Graphics2D graphics) {
//draw legend
graphics.setColor(Color.black);
int minY = Math.round(cs.getMin(Axis.Y));
int maxY = Math.round(cs.getMax(Axis.Y));
int maxX = Math.round(cs.getMax(Axis.X));
//int markerheightOffset = Math.round(LayerUtilities.pixelsToUnits(graphics, 15, false));
int textOffset = Math.round(LayerUtilities.pixelsToUnits(graphics, 20, false));
for (int i = (int) cs.getMin(Axis.X); i < cs.getMax(Axis.X); i++) {
int realValue = (int) cs.getRealXValue(i);
for(double scaleEntry : scale){
if(realValue == (int) scaleEntry){
if(scaleEntry == movingElement){
graphics.setColor(Color.RED);
}else{
if(enableEditor){
graphics.setColor(Color.GRAY);
}else{
graphics.setColor(Color.LIGHT_GRAY);
}
}
graphics.drawLine(i, minY + (int) (1.5 * textOffset) , i, maxY - (int) (1.5 * textOffset) );
String text = String.valueOf(realValue);
if(enableEditor){
LayerUtilities.drawString(graphics, text, i, minY + textOffset, true, false,null);
}else{
LayerUtilities.drawString(graphics, text, i, maxY - textOffset, true, false,null);
}
}
}
}
int axisLabelOffset = Math.round(LayerUtilities.pixelsToUnits(graphics, 60, true));
textOffset = Math.round(LayerUtilities.pixelsToUnits(graphics, 10, false));
LayerUtilities.drawString(graphics,"Frequency (cents)",maxX-axisLabelOffset,maxY - textOffset,true,true,Color.white);
}
@Override
public void mouseReleased(MouseEvent e) {
if(!enableEditor){
return;
}
if (movingElement != -1.0) {
Arrays.sort(scale);
}
movingElement = -1.0;
e.getComponent().repaint();
}
public void mouseMoved(MouseEvent e) {
if(!enableEditor){
return;
}
e.getComponent().requestFocus();
if (e.isAltDown() || e.isAltGraphDown()) {
//request focus for the key listener to work...
e.getComponent().requestFocus();
// add new element
if (movingElement != -1.0) {
int index = -1;
for (int i = 0; i < scale.length; i++) {
if (scale[i] == movingElement) {
index = i;
}
}
if (index == -1) {
movingElement = -1.0;
} else {
scale[index] = getCents(e);
movingElement = scale[index];
}
e.getComponent().repaint();
} else {
double[] newScale = new double[scale.length + 1];
for (int i = 0; i < scale.length; i++) {
newScale[i] = scale[i];
}
newScale[newScale.length - 1] = getCents(e);
movingElement = newScale[newScale.length - 1];
Arrays.sort(newScale);
scale = newScale;
e.getComponent().repaint();
}
} else if (e.isControlDown() && scale.length > 0) {
//request focus for the key listener to work...
// move the closest element
if (movingElement == -1.0) {
int index = closestIndex(getCents(e));
movingElement = scale[index];
}
for (int i = 0; i < scale.length; i++) {
if (scale[i] == movingElement) {
scale[i] = getCents(e);
movingElement = scale[i];
}
}
e.getComponent().repaint();
}
}
private double getCents(MouseEvent e){
LinkedPanel panel = (LinkedPanel) e.getComponent();
Graphics2D graphics = (Graphics2D) panel.getGraphics();
graphics.setTransform(panel.getTransform());
Point2D unitsCurrent = LayerUtilities.pixelsToUnits(graphics,e.getX(),e.getY());
return cs.getRealXValue((float) unitsCurrent.getX());
}
private int closestIndex(double key) {
double distance = Double.MAX_VALUE;
int index = -1;
for (int i = 0; i < scale.length; i++) {
double currentDistance = Math.abs(key - scale[i]);
double wrappedDistance = Math.abs(key - (scale[i] + 1200));
if (Math.min(currentDistance, wrappedDistance) < distance) {
distance = Math.min(currentDistance, wrappedDistance);
index = i;
}
}
return index;
}
@Override
public void keyTyped(KeyEvent e) {
if(!enableEditor){
return;
}
boolean elementSelected = movingElement != -1.0;
boolean deleteKeyPressed = (e.getKeyChar() == 'd' || e.getKeyCode() == KeyEvent.VK_DELETE || e.getKeyChar() == 127 );
if( elementSelected && deleteKeyPressed){
double[] newScale = new double[scale.length-1];
int j = 0;
for (int i = 0; i < scale.length;i++) {
if (scale[i] != movingElement) {
newScale[j] = scale[i];
j++;
}
}
Arrays.sort(newScale);
scale = newScale;
movingElement = -1.0;
e.getComponent().repaint();
}
}
@Override
public void keyPressed(KeyEvent e) {
}
@Override
public void keyReleased(KeyEvent e) {
}
}