import * as echarts from '../../ec-canvas/echarts';
var app = getApp()
function initChart(canvas, width, height, dpr) {
  const chart = echarts.init(canvas, null, {
    width: width,
    height: height,
    devicePixelRatio: dpr // new
  });
  canvas.setChart(chart);

  var option = {
    title: {
      text: '测试下面legend的红色区域不应被裁剪',
      left: 'center'
    },
    color: ["#37A2DA", "#67E0E3", "#9FE6B8"],
    legend: {
      data: ['A', 'B', 'C'],
      top: 50,
      left: 'center',
      backgroundColor: 'red',
      z: 100
    },
    grid: {
      containLabel: true
    },
    tooltip: {
      show: true,
      trigger: 'axis'
    },
    xAxis: {
      type: 'category',
      boundaryGap: false,
      data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日'],
      // show: false
    },
    yAxis: {
      x: 'center',
      type: 'value',
      splitLine: {
        lineStyle: {
          type: 'dashed'
        }
      }
      // show: false
    },
    series: [{
      name: 'A',
      type: 'line',
      smooth: true,
      data: [18, 36, 65, 30, 78, 40, 33]
    }, {
      name: 'B',
      type: 'line',
      smooth: true,
      data: [12, 50, 51, 35, 70, 30, 20]
    }, {
      name: 'C',
      type: 'line',
      smooth: true,
      data: [10, 30, 31, 50, 40, 20, 10]
    }]
  };

  chart.setOption(option);
  return chart;
}

Page({

  data: {
    // 页面配置  
    winWidth: 0,
    winHeight: 0,
    // tab切换 
    currentTab: 0,
    array:[
      {
        title:'AppL',
        subtitle:"APPL INC",
        Increase:"1.22",
        digital:"33"
      }
    ],
    ec: {
      onInit: initChart
    }
  },
  onLoad: function() {
    var that = this;
    // 获取系统信息 
    wx.getSystemInfo({
      success: function(res) {
        that.setData({
          winWidth: res.windowWidth,
          winHeight: res.windowHeight
        });
      }
    });
  },
  // 滑动切换tab 
  bindChange: function(e) {
    var that = this;
    that.setData({
      currentTab: e.detail.current
    });
  },
  // 点击tab切换 
  swichNav: function(e) {
    var that = this;
    if (this.data.currentTab === e.target.dataset.current) {
      return false;
    } else {
      that.setData({
        currentTab: e.target.dataset.current
      })
    }
  }
})