package com.github.tifezh.kchartlib.chart.groupview;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.os.Build;
import android.support.annotation.ColorRes;
import android.support.annotation.DimenRes;
import android.support.annotation.Nullable;
import android.support.v4.content.ContextCompat;
import android.support.v4.view.GestureDetectorCompat;
import android.support.v4.view.ViewConfigurationCompat;
import android.util.AttributeSet;
import android.util.Log;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
import com.github.tifezh.kchartlib.R;
import com.github.tifezh.kchartlib.chart.base.IGroupDraw;
import com.github.tifezh.kchartlib.chart.comInterface.ILem;
import com.github.tifezh.kchartlib.utils.DisplayUtil;
import static android.view.View.MeasureSpec.AT_MOST;
public abstract class BaseView extends View implements GestureDetector.OnGestureListener{
private Context mContext;
protected final float DEF_WIDTH = 650;
protected final float DEF_HIGHT = 400;
//测量的控件宽高，会在onMeasure中进行测量。
protected int mBaseWidth;//折线图宽度
protected int mBaseHeight;//折线图高度
protected int mHeight; //试图高度
protected int mWidth; //试图宽度
protected int mTopPadding = 30; //据顶部
protected int mBottomPadding = 57;//距底部
protected int mPadding = 10;
protected ILem mMaxPoint; //最大值
protected ILem mMinPoint;//最小值
protected int mGridRows = 6;//主视图网格数
protected int mGridColumns = 0;
protected int mChildGridRows = 4;//子图横向网格数
protected int mChildGridColumns = 5;
//左右padding,允许修改
protected int mBasePaddingLeft = 50;
protected int mBasePaddingRight = 50;
protected float mBaseTextPaddingLeft = 15; //字体据左侧的距离
protected float mBaseTextPaddingRight = 15;//字体据右侧的距离
protected int mBaseTimePadding = 5; //下方文字
protected Paint mGridPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
private Bitmap mBitmapLogo = BitmapFactory.decodeResource(getContext().getResources(), R.drawable.logo);
protected GestureDetectorCompat mDetector;
protected boolean isLongPress = false; //是否长按事件
protected boolean isClosePress = true; //关闭长按时间
private float mXDown;
private float mYDown;
private float mXMove;
private float mYMove;
//判定为拖动的最小移动像素数
private int mTouchSlop;
public BaseView(Context context) {
super(context);
initView(context);
}
public BaseView(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
initView(context);
}
public BaseView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
initView(context);
}
private void initView(Context context) {
this.mContext = context;
setWillNotDraw(false);
;
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP){
this.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
}
mDetector = new GestureDetectorCompat(getContext(), this);
ViewConfiguration configuration = ViewConfiguration.get(getContext());
// 获取TouchSlop值
// mTouchSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop();
mTouchSlop = ViewConfigurationCompat.getScaledPagingTouchSlop(configuration);
mTopPadding = DisplayUtil.dip2px(mContext, mTopPadding);
mBottomPadding = DisplayUtil.dip2px(mContext, mBottomPadding);
mPadding = DisplayUtil.dip2px(mContext, mPadding);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec);
int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec);
int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec);
int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec);
if (widthSpecMode == AT_MOST && heightSpecMode == AT_MOST) {
setMeasuredDimension((int) DEF_WIDTH, (int) DEF_HIGHT);
} else if (widthSpecMode == AT_MOST) {
setMeasuredDimension((int) DEF_WIDTH, heightSpecSize);
} else if (heightSpecMode == AT_MOST) {
setMeasuredDimension(widthSpecSize, (int) DEF_HIGHT);
} else {
setMeasuredDimension(widthSpecSize, heightSpecSize);
}
this.mWidth = getMeasuredWidth();
this.mBaseWidth = mWidth;
this.mHeight = getMeasuredHeight();
this.mBaseHeight = mHeight - mTopPadding - mBottomPadding;
notifyChanged();
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
this.mWidth = getMeasuredWidth();
this.mBaseWidth = mWidth;
this.mHeight = getMeasuredHeight();
this.mBaseHeight = mHeight - mTopPadding - mBottomPadding;
notifyChanged();
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
//绘制水印
drawMainViewLogo(canvas);
}
/**
* 添加视图水印
*
* @param canvas
*/
public void drawMainViewLogo(Canvas canvas) {
if (mBitmapLogo != null) {
int mLeft = getWidth() / 2 - mBitmapLogo.getWidth() / 2;
int mTop = mBaseHeight / 2 - mBitmapLogo.getHeight() / 2 + mTopPadding;
canvas.drawBitmap(mBitmapLogo, mLeft, mTop, null);
}
}
/**
* 点击， 处理长安时间
*
* @param event
* @return
*/
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction() & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
mXDown = event.getX();
mYDown = event.getY();
break;
case MotionEvent.ACTION_MOVE:
final float curX = event.getX();
final float curY = event.getY();
mXMove += Math.abs(curX - mXDown);
mYMove += Math.abs(curY - mYDown);
mXDown = curX;
mYDown = curY;
if (mYMove > mXMove){
return false;
}
//一个点的时候滑动
if (event.getPointerCount() == 1) {
//长按之后移动
// if (isLongPress || !isClosePress) {
Log.i("---> : ", "onTouchEvent");
calculateSelectedX(event.getX());
// invalidate();
// }
}
break;
case MotionEvent.ACTION_UP:
if (!isClosePress) {
isLongPress = false;
}
// invalidate();
break;
case MotionEvent.ACTION_CANCEL:
if (!isClosePress) {
isLongPress = false;
}
// invalidate();
break;
}
this.mDetector.onTouchEvent(event);
return true;
}
protected abstract void notifyChanged();
protected abstract void calculateSelectedX(float x);
//高度
protected float getFontBaseLineHeight(Paint paint) {
Paint.FontMetrics fm = paint.getFontMetrics();
float textHeight = fm.descent - fm.ascent;
float baseLine = (textHeight - fm.bottom - fm.top) / 2;
return baseLine;
}
//文字的高度
protected float getFontHeight(Paint paint) {
Paint.FontMetrics fm = paint.getFontMetrics();
float textHeight = fm.descent - fm.ascent;
return textHeight;
}
//设置表格线宽度
public void setGridLineWidth(float width) {
mGridPaint.setStrokeWidth(width);
}
//设置表格线颜色
public void setGridLineColor(int color) {
mGridPaint.setColor(color);
}
public float getDimension(@DimenRes int resId) {
return getResources().getDimension(resId);
}
public int getColor(@ColorRes int resId) {
return ContextCompat.getColor(getContext(), resId);
}
protected int dp2px(float dp) {
final float scale = getContext().getResources().getDisplayMetrics().density;
return (int) (dp * scale + 0.5f);
}
protected int sp2px(float spValue) {
final float fontScale = getContext().getResources().getDisplayMetrics().scaledDensity;
return (int) (spValue * fontScale + 0.5f);
}
/******************************长按事件*****************************************/
@Override
public boolean onDown(MotionEvent e) {
return false;
}
@Override
public void onShowPress(MotionEvent e) {
}
@Override
public boolean onSingleTapUp(MotionEvent e) {
switch (e.getAction()){
case MotionEvent.ACTION_DOWN:
Log.i("--->", "ACTION_DOWN");
break;
case MotionEvent.ACTION_UP: //双指点击时不会触发
Log.i("--->", "ACTION_UP");
if (isClosePress) {
//代处理其它事件
} else {
isClosePress = true;
}
break;
case MotionEvent.ACTION_MOVE:
Log.i("--->", "ACTION_MOVE");
break;
}
return false;
}
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
return false;
}
@Override
public void onLongPress(MotionEvent e) {
isLongPress = true;
isClosePress = false;
calculateSelectedX(e.getX());
// invalidate();
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
return false;
}
//释放内存
public void releaseMemory(){
if (mBitmapLogo != null){
if (!mBitmapLogo.isRecycled()){
mBitmapLogo.recycle();
mBitmapLogo = null;
}
}
}
}
