package com.noodles.timelocus.view;

import android.content.Context;
import android.content.Intent;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.view.View;
import com.noodles.timelocus.activity.HourSet;

/**
 * 繪製一個圓環
 * Created by noodles on 2016/3/21.
 */
public class Hour24Cycle extends View implements View.OnClickListener {

    private Paint mpaint;

    private Rect mRect;

    private Context mContext;
/*    public Hour24Cycle(Context context) {
        super(context);
    }*/

    public Hour24Cycle(Context context, AttributeSet attrs) {
        super(context, attrs);
        mContext = context;
        mpaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        mRect = new Rect();
        setOnClickListener(this);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        float pointX = getWidth() / 2;
        float pointY = getHeight() / 3;

        float radius = 200;

        mpaint.setColor(Color.BLUE);
        setDraw(canvas, mpaint, pointX, pointY, radius, 0, 360);
        mpaint.setColor(Color.WHITE);
        setDraw(canvas, mpaint, pointX, pointY, radius - 50, 0, 360);

        /*
         * 繪製一個24的數字
         */
        mpaint.setColor(Color.BLACK);
        mpaint.setTextSize(100);
        mpaint.getTextBounds("24", 0, 2, mRect);
        float textWidth = mRect.width();
        float textHeight = mRect.height();
        canvas.drawText("24", pointX - textWidth / 2, pointY + textHeight / 2, mpaint);


    }
    /**
     * 繪製兩個360的弧度，裡面的小圓弧為白色，外面大圓弧藍色，所以看起來像一個圓環
     */

    private void setDraw(Canvas canvas, Paint paint, float pointX, float pointY, float radius, float startAngle, float sweepAngle) {
        RectF mRectf = new RectF(pointX - radius, pointY - radius, pointX + radius, pointY + radius);
        canvas.drawArc(mRectf, startAngle, sweepAngle, false, paint);
    }

    /**
     * 跳轉到第二個頁面
     */

    @Override
    public void onClick(View v) {
        Intent intent = new Intent(mContext, HourSet.class);
        mContext.startActivity(intent);
    }
}