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package com.camilstaps.rushhour;
import android.content.Context;
import android.graphics.Color;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.RelativeLayout;
/**
* Created by camilstaps on 16-4-15.
*/
public class Car {
//private int startCoordinate.getX(), startCoordinate.getY(), endCoordinate.getX(), endCoordinate.getY();
private Coordinate startCoordinate, endCoordinate;
private final int colour;
private static final int SIZE = 50;
private static final int MARGIN = 5;
private MoveListener moveListener;
ImageView iv;
public Car(Coordinate start, Coordinate end) {
startCoordinate = start;
endCoordinate = end;
this.colour = Color.BLACK;
}
public Car(Coordinate start, Coordinate end, int colour) {
startCoordinate = start;
endCoordinate = end;
this.colour = colour;
}
public int getColour() { return colour; }
public void setMoveListener(MoveListener listener) {
moveListener = listener;
}
private int getWidth() {
return (SIZE + MARGIN) * (endCoordinate.getX() - startCoordinate.getX()) + SIZE;
}
private int getHeight() {
return (SIZE + MARGIN) * (endCoordinate.getY() - startCoordinate.getY()) + SIZE;
}
public void setImageViewMargins() {
ViewGroup.MarginLayoutParams marginParams = new ViewGroup.MarginLayoutParams(getWidth(), getHeight());
marginParams.setMargins(startCoordinate.getX() * (SIZE + MARGIN), startCoordinate.getY() * (SIZE + MARGIN), MARGIN, MARGIN);
RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(marginParams);
iv.setLayoutParams(layoutParams);
}
public ImageView getImageView(Context context) {
iv = new ImageView(context);
iv.setBackgroundColor(colour);
int width = getWidth();
int height = getHeight();
iv.setMinimumWidth(width);
iv.setMinimumHeight(height);
setImageViewMargins();
final GestureDetector gdt = new GestureDetector(new GestureListener());
iv.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
gdt.onTouchEvent(event);
return true;
}
});
return iv;
}
public boolean canMoveHorizontally() {
return startCoordinate.getY() == endCoordinate.getY();
}
public boolean canMoveVertically() {
return startCoordinate.getX() == endCoordinate.getX();
}
public void move(int offset) {
if (canMoveHorizontally()) {
moveHorizontally(offset);
} else {
moveVertically(offset);
}
}
public void moveHorizontally(int offset) {
startCoordinate.move(offset, 0);
endCoordinate.move(offset, 0);
setImageViewMargins();
}
public void moveVertically(int offset) {
startCoordinate.move(0, offset);
endCoordinate.move(0, offset);
setImageViewMargins();
}
public Coordinate wouldMoveTo(int offset) {
Coordinate movedCoordinate;
if (offset < 0) {
movedCoordinate = new Coordinate(startCoordinate);
} else {
movedCoordinate = new Coordinate(endCoordinate);
}
if (canMoveHorizontally()) {
movedCoordinate.move(offset, 0);
} else {
movedCoordinate.move(0, offset);
}
return movedCoordinate;
}
public boolean occupies(Coordinate c) {
return c.getX() >= startCoordinate.getX() && c.getX() <= endCoordinate.getX() && c.getY() >= startCoordinate.getY() && c.getY() <= endCoordinate.getY();
}
private class GestureListener extends GestureDetector.SimpleOnGestureListener {
private static final int SWIPE_MIN_DISTANCE = SIZE;
private static final int SWIPE_THRESHOLD_VELOCITY = SIZE;
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
if (Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY && canMoveHorizontally()) {
if (e1.getX() - e2.getX() > SWIPE_MIN_DISTANCE) {
moveListener.onMove(Car.this, -1);
} else if (e2.getX() - e1.getX() > SWIPE_MIN_DISTANCE) {
moveListener.onMove(Car.this, 1);
}
}
if (Math.abs(velocityY) > SWIPE_THRESHOLD_VELOCITY && canMoveVertically()) {
if (e1.getY() - e2.getY() > SWIPE_MIN_DISTANCE) {
moveListener.onMove(Car.this, -1);
} else if (e2.getY() - e1.getY() > SWIPE_MIN_DISTANCE) {
moveListener.onMove(Car.this, 1);
}
}
return true;
}
}
}
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