package com.dollearn.student.views;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.util.AttributeSet;
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import android.util.DisplayMetrics;
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import android.view.View;
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/**
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* Created by zhouyou on 2016/7/25.
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* Class desc:
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*
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* 自定义日历顶部星期View
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*/
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public class WeekView extends View {
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private String[] mWeeks = {"日", "一", "二", "三", "四", "五", "六"};
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// 字体大小
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private int mWeekTextSize = 14;
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// 字体颜色
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private int mWeekTextColor = Color.parseColor("#ffffff");
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// 背景颜色
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private int mWeekBgColor = Color.parseColor("#FFFFFF");
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private DisplayMetrics mMetrics;
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private final Paint mPaint;
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public WeekView(Context context, AttributeSet attrs) {
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super(context, attrs);
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// 获取手机屏幕参数
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mMetrics = getResources().getDisplayMetrics();
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// 创建画笔
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mPaint = new Paint();
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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int widthSize = MeasureSpec.getSize(widthMeasureSpec);
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int widthMode = MeasureSpec.getMode(widthMeasureSpec);
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int heightSize = MeasureSpec.getSize(heightMeasureSpec);
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int heightMode = MeasureSpec.getMode(heightMeasureSpec);
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if (heightMode == MeasureSpec.AT_MOST) {
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heightSize = mMetrics.densityDpi * 30;
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}
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if (widthMode == MeasureSpec.AT_MOST) {
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widthSize = mMetrics.densityDpi * 300;
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}
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setMeasuredDimension(widthSize, heightSize);
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}
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@Override
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protected void onDraw(Canvas canvas) {
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int width = getWidth();
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int height = getHeight();
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// 画背景
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mPaint.setColor(mWeekBgColor);
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// canvas.drawRect(0, 0, width, height, mPaint);
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// 画星期
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mPaint.setStyle(Paint.Style.FILL);
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mPaint.setTextSize(mWeekTextSize * mMetrics.scaledDensity);
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mPaint.setColor(mWeekTextColor);
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int columnWidth = width / 7;
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for(int i = 0; i < mWeeks.length; i++){
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String text = mWeeks[i];
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int fontWidth = (int) mPaint.measureText(text);
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int startX = columnWidth * i + (columnWidth - fontWidth) / 2;
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int startY = (int) (height / 2 - (mPaint.ascent() + mPaint.descent()) / 2);
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canvas.drawText(text, startX, startY, mPaint);
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}
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}
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/**
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* 设置星期数据（默认值："日","一","二","三","四","五","六"）
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*/
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public void setWeeks(String[] weeks){
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this.mWeeks = weeks;
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}
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/**
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* 设置星期字体大小
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*/
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public void setWeekTextSize(int size){
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this.mWeekTextSize = size;
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}
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/**
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* 设置星期背景颜色
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*/
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public void setWeekBgColor(int color){
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this.mWeekBgColor = color;
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}
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/**
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* 设置星期文字颜色
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*/
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public void setWeekTextColor(int color){ this.mWeekTextColor = color; }
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}
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