<template>
  <!-- 监控日志 -->
  <div class="jktjDetail form-clues">
    <!-- 头部搜索 -->
    <div class="from-clues-header">
      <el-form ref="form" :model="form" label-width="100px">
        <el-form-item>
          <Breadcrumb />
        </el-form-item>
        <el-row>
          <el-col :span="6">
            <el-form-item label="行政区">
              <el-select v-model="form.XZQDM" class="width100" clearable placeholder="行政区">
                <el-option v-for="item in dicData['A20']" :key="item.DCODE" :label="item.DNAME" :value="item.DCODE">
                </el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="开始日期">
              <el-date-picker v-model="valueTime" type="datetimerange" range-separator="至" start-placeholder="开始日期"
                end-placeholder="结束日期">
              </el-date-picker>
            </el-form-item>
          </el-col>
          <!-- 操作按钮 -->
          <el-col :span="3" class="btnColRight">
            <btn nativeType="cz" @click="resetForm">重置</btn>
            <btn nativeType="cx">查询</btn>
          </el-col>
        </el-row>
      </el-form>
    </div>
    <!-- 图表 -->
    <div class="form-clues-content echarts-box">
      <div id="myChart" class="chart"></div>
    </div>
  </div>
</template>

<script>
import { mapGetters } from "vuex";
export default {
  name: "jktj",
  data () {
    return {
      // 开始结束日期限制
      pickerOptionsStart: {
        disabledDate: (time) => {
          if (this.form.endTime) {
            return time.getTime() >= new Date(this.form.endTime).getTime();
          }
        },
      },
      // 结束日期限制
      pickerOptionsEnd: {
        disabledDate: (time) => {
          if (this.form.startTime) {
            return time.getTime() <= new Date(this.form.startTime).getTime();
          }
        },
      },
      // 搜索表单
      valueTime: "",
      form: {
        startTime: "",
        endTime: "",
        XZQDM: "",
      },
    };
  },
  mounted () {
    // 初始化图表
    this.echartInit();
  },
  computed: {
    ...mapGetters(["dicData"]),
  },
  methods: {
    // 重置
    resetForm () {
      this.form = {
        startTime: "",
        endTime: "",
      };
    },
    echartInit () {
      // 基于准备好的dom，初始化echarts实例
      let myChart = this.$echarts.init(document.getElementById("myChart"));
      // 绘制图表
      myChart.setOption({
        color: ["#00bdb1", "#ff6e6e", "#3f99ff", "#ffaf48"],
        tooltip: {
          show: true,
          trigger: "axis",
          textStyle: {
            fontSize: 16, // 字体大小
          },
          extraCssText: "width:220px;height:160px;", // 背景色
        },
        grid: {
          top: 120,
        },
        xAxis: [
          {
            type: "category",
            data: [
              "土地所有权",
              "建设用地、宅基地使用权",
              "构（建）筑物所有权",
              "林权",
              "注销登记",
              "抵押权登记",
            ],
            axisLabel: {
              interval: 0,
              formatter: function (val) {
                let c = document.createElement("canvas");
                const ctx = c.getContext("2d");
                const arr = val.split("");
                arr
                  .map((item) => ctx.measureText(item).width)
                  .reduce((pre, next, index) => {
                    const nLen = pre + next;
                    if (nLen > 60) {
                      arr[index - 1] += "...";
                      return next;
                    } else {
                      return nLen;
                    }
                  });
                c = null;
                let ind = arr.findIndex((i) => {
                  return i.indexOf("...") > -1;
                });
                let newArr = ind > 0 ? arr.splice(0, ind + 1) : arr;
                return newArr.join("");
              },
              textStyle: {
                show: true,
                color: "#fff",
                fontSize: "20",
              },
            },
          },
        ],
        yAxis: [
          {
            type: "value",
            name: "数量/个",
            nameTextStyle: {
              color: "#fff",
              fontSize: "16",
            },
            axisLabel: {
              textStyle: {
                show: true,
                color: "#fff",
                fontSize: "16",
              },
            },
          },
        ],
        series: [
          {
            data: [200, 120, 150, 80, 70, 30],
            type: "bar",
          },
        ],
      });
    },
  },
};
</script>
<style scoped lang="scss">
@import "~@/styles/public.scss";

.jktjDetail {
  height: 100%;
  display: flex;
  flex-direction: column;

  .rows {
    margin-left: 100px;
  }

  .echarts-box {
    display: flex;
    justify-content: center;
    height: 500px;

    .chart {
      width: 100%;
      height: 100%;
    }
  }

  .form-clues-content {
    flex: 1;
    height: 100%;
  }
}
</style>
<style scoped lang="scss">
@import "~@/styles/public.scss";
</style>