TimeController.java

package com.momega.spacesimulator.controller;

import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;

import com.momega.spacesimulator.context.ModelHolder;
import com.momega.spacesimulator.opengl.DefaultWindow;
import com.momega.spacesimulator.renderer.RendererModel;
import com.momega.spacesimulator.swing.SwingUtils;
import com.momega.spacesimulator.swing.TimeDialog;

/**
 * Time controller handles warp factor of the model
 * Created by martin on 5/5/14.
 */
public class TimeController extends AbstractController {
	
	public static final String WARP_SLOWER = "warp_slower";
	public static final String WARP_FASTER = "warp_faster";
	public static final String WARP_STOP_OR_START = "warp_stop_or_start";

    public static final String TIME_DIALOG = "time_dialog";
    private final DefaultWindow window;

    public TimeController(DefaultWindow window) {
        this.window = window;
    }

    @Override
    public void keyPressed(KeyEvent e) {
        int keyCode = e.getKeyCode();
        switch (keyCode) {
            case KeyEvent.VK_COMMA:
                changeWarpFactor(0.5);
                break;

            case KeyEvent.VK_PERIOD:
                changeWarpFactor(2);
                break;

            case KeyEvent.VK_SEMICOLON:
            case KeyEvent.VK_0:
                pauseOrStart();
                break;
        }
    }
    
    @Override
    public void actionPerformed(ActionEvent e) {
    	switch (e.getActionCommand()) {
    	case WARP_SLOWER:
    		changeWarpFactor(0.5);
    		break;
    	case WARP_FASTER:
    		changeWarpFactor(2.0);
    		break;
    	case WARP_STOP_OR_START:
    		pauseOrStart();
    		break;
        case TIME_DIALOG:
            timeDialog();
    	}
    }

    private void timeDialog() {
        final TimeDialog timeDialog = new TimeDialog(window, ModelHolder.getModel().getTime());
        SwingUtils.openDialog(timeDialog);
    }

    private void pauseOrStart() {
        double warpFactor = RendererModel.getInstance().getWarpFactor();
        if (warpFactor > 0.0 ) {
            warpFactor = 0.0;
        } else {
            warpFactor = 1.0;
        }
        RendererModel.getInstance().setWarpFactor(warpFactor);
    }

    public void changeWarpFactor(double ratio) {
        double warpFactor = RendererModel.getInstance().getWarpFactor();
        warpFactor = warpFactor * ratio;
        RendererModel.getInstance().setWarpFactor(warpFactor);
    }

}