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package de.blinkt.openvpn.views;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.ViewConfiguration;
import android.widget.SeekBar;
public class SeekBarTicks extends SeekBar {
private Paint mTickPaint;
private float mTickHeight;
private float tickHeightRatio = 0.6f;
public SeekBarTicks(Context context, AttributeSet attrs) {
super (context, attrs);
initTicks (context, attrs, android.R.attr.seekBarStyle);
}
public SeekBarTicks(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initTicks (context, attrs, defStyle);
/*mTickHeight = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
tickHeightDP,
ctx.getResources().getDisplayMetrics()); */
}
private void initTicks(Context context, AttributeSet attrs, int defStyle) {
TypedArray a = context.obtainStyledAttributes(attrs,
new int[] { android.R.attr.secondaryProgress }, defStyle, 0);
int tickColor = a.getColor(0, android.R.color.black);
mTickPaint = new Paint();
mTickPaint.setColor( context.getResources().getColor(tickColor));
a.recycle();
}
@Override
protected synchronized void onDraw(Canvas canvas) {
drawTicks(canvas);
super.onDraw(canvas);
}
private void drawTicks(Canvas canvas) {
final int available = getWidth() - getPaddingLeft() - getPaddingRight();
final int availableHeight = getHeight() - getPaddingBottom() - getPaddingTop();
int extrapadding = (int) ((availableHeight- (availableHeight * tickHeightRatio))/2);
int tickSpacing = available / (getMax() );
for (int i = 1; i < getMax(); i++) {
final float x = getPaddingLeft() + i * tickSpacing;
canvas.drawLine(x, getPaddingTop()+extrapadding, x, getHeight()-getPaddingBottom()-extrapadding, mTickPaint);
}
}
}
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