<template>
  <div ref="gantt"></div>
</template>

<script>
import { gantt } from "dhtmlx-gantt";
export default {
  name: "GanttChar",
  data() {
    return {
      newObj: {},
    };
  },
  props: {
    tasks: {
      type: Object,
      default() {
        return { data: [], links: [] };
      },
    },
    optType: {
      type: String,
      default() {
        return "view";
      },
    },
    ids: {
      type: Array,
      default() {
        return [];
      },
    },
  },

  created() {},

  mounted: function () {
    // 初始化甘特图配置
    this.initConfig();
    gantt.plugins({
      marker: true,
    });
    // 甘特图初始化和导入数据
    gantt.init(this.$refs.gantt);
    gantt.parse(this.tasks);
  },

  methods: {
    // 初始化甘特图数据
    initData() {},
    reload() {
      gantt.clearAll();
      this.addTodayLine();
      gantt.parse(this.$props.tasks);
      gantt.render();
    },
    addTodayLine() {
      // 时间线
      var date_to_str = gantt.date.date_to_str(gantt.config.task_date);
      var today = new Date();
      gantt.addMarker({
        start_date: today,
        css: "today",
        text: "今天",
        title: "今天: " + date_to_str(today),
      });
    },
    // 初始化甘特图配置
    initConfig() {
      // 1 基础配置
      // 1.1 甘特图是否只读
      if (this.optType == "view") {
        gantt.config.readonly = true;
      } else {
        gantt.config.readonly = false;
      }

      // 1.2 表格列设置
      gantt.config.duration_unit = "hour";
      gantt.config.duration_step = 8;
      gantt.config.grid_width = 520;
      gantt.config.columns = [
        { name: "text", label: "任务名", tree: true, width: "200" },
        { name: "workstation", label: "工作站", align: "center", width: "*" },
        { name: "process", label: "工序", align: "center", width: "*" },
        { name: "start_date", label: "开始时间", align: "center", width: "*" },
        { name: "end_date", label: "结束时间", align: "center", width: "*" },
      ];
      // 1.3 设置中文
      gantt.i18n.setLocale("cn");
      // 1.4 鼠标悬浮框
      gantt.plugins({ tooltip: true }); // 启用tooltip悬浮框
      gantt.templates.tooltip_text = function (start, end, task) {
        if (task.type == "project") {
          return (
            "<b style='text-align:left;'>生产任务:</b> " +
            task.text +
            "    <span style='text-align:left;'>" +
            " 完成比例：" +
            Math.round(task.progress * 100) +
            "% </span>"
          );
        } else {
          return (
            "<b style='text-align:left;'>生产任务:</b> " +
            task.process +
            " " +
            task.text +
            "    <span style='text-align:left;'>" +
            " 完成比例：" +
            Math.round(task.progress * 100) +
            "% </span>"
          );
        }
      };

      // 1.5 初始化的时候就展开树结构
      gantt.config.open_tree_initially = true;
      // 1.6 显示到任务上的文本
      gantt.templates.task_text = function (start, end, task) {
        if (task.type == "project") {
          return (
            "<b style='text-align:left;'>生产工单:</b> " +
            task.text +
            "    <span style='text-align:left;'>" +
            " 完成比例：" +
            Math.round(task.progress * 100) +
            "% </span>"
          );
        } else {
          return (
            "<b style='text-align:left;'>生产任务:</b> " +
            task.process +
            " " +
            task.text +
            "    <span style='text-align:left;'>" +
            " 完成比例：" +
            Math.round(task.progress * 100) +
            "% </span>"
          );
        }
      };
      // 1.7 显示单元格
      gantt.config.show_task_cells = true;

      // 2 时间配置
      // 2.1 时间坐标轴单位 minute/hour/day/week/quarter/month/year
      // gantt.config.scale_unit = "hour";
      // 2.2 日期格式
      // gantt.config.date_scale = "%H";
      // 2.3 时间坐标为月份的时候  先显示年份再月份
      // gantt.config.subscales = [{unit: "month", step: 1, date: "%Y,%F"}];

      var weekScaleTemplate = function (date) {
        var dateToStr = gantt.date.date_to_str("%M %d");
        var endDate = gantt.date.add(
          gantt.date.add(date, 1, "week"),
          -1,
          "day"
        );
        return dateToStr(date) + " - " + dateToStr(endDate);
      };

      var dayTemplate = function (date) {
        var dateToStr = gantt.date.date_to_str("%M %d");
        var weekDay = gantt.date.date_to_str("%D");
        return dateToStr(date);
        +"(" + weekDay(date) + ")";
      };

      var daysStyle = function (date) {
        // you can use gantt.isWorkTime(date)
        // when gantt.config.work_time config is enabled
        // In this sample it's not so we just check week days

        if (date.getDay() === 0 || date.getDay() === 6) {
          return "weekend";
        }
        return "";
      };

      gantt.config.scales = [
        { unit: "week", step: 1, format: weekScaleTemplate },
        { unit: "day", step: 1, format: dayTemplate, css: daysStyle },
        { unit: "hour", step: 8, format: "%H:%i" }, //这里的step要根据当前的班次设置来。如果是三班倒则是8，如果是两班倒则是12。
      ];

      gantt.config.scale_height = 50;

      // 2.4 定义从后端获取或发送到后端的日期数据解析格式
      gantt.config.xml_date = "%Y-%m-%d %H:%i:%s";

      // 3 拖动配置
      // 3.1 自动调整类型,当存在子节点时自动升级为project
      gantt.config.auto_types = false;
      // 3.2 设置不可以拖动进度
      gantt.config.drag_progress = false;
      // 3.3 设置Task不可以拖动
      gantt.config.drag_move = true;
      // 3.4 设置不可以拖动关系
      gantt.config.drag_links = false;
      // 3.5 设置不可拖动Task 大小
      gantt.config.drag_resize = true;
      // 3.6 单击显示添加详情
      gantt.config.details_on_create = true;
      // 3.7 双击显示明细
      gantt.config.details_on_dblclick = true;
      //时间范围自动适应
      gantt.config.fit_tasks = true;

      let t = this.$props.tasks;
      let c = this.$props.ids;
      gantt.attachEvent("onAfterTaskUpdate", function (id, obj) {
        debugger;
        let tt = t.data.filter((item) => item.id == id);
        tt = obj;
        c.push(id);
      });
    },
  },
};
</script>

<style>
@import "~dhtmlx-gantt/codebase/dhtmlxgantt.css";
/* 任务名前的logo */
.gantt_tree_icon.gantt_file,
.gantt_tree_icon.gantt_folder_open,
.gantt_tree_icon.gantt_folder_closed {
  width: 10px;
  background-image: none;
}
/* 任务线 */
.gantt_task_line {
  height: 16px !important;
  line-height: 16px !important;
  margin-top: 8px;
  border: none !important;
  border-radius: 8px;
}
.gantt_task_line.gantt_milestone {
  border-radius: 0;
}
/* 里程碑 */
.gantt_task_line.gantt_milestone {
  width: 12px !important;
  height: 16px !important;
  border: none !important;
  background-color: inherit !important;
  background-size: cover;
}
/* 里程碑icon */
.gantt_task_line.gantt_milestone .gantt_task_content {
  width: 12px;
  height: 16px;
  margin-left: 40px;
  transform: rotate(0deg) !important;
  background-image: url("../../../../assets/logo/logo.png") !important;
}
/* 左侧悬浮单元格背景色 */
.gantt_grid_data .gantt_row.odd:hover,
.gantt_grid_data .gantt_row:hover {
  background-color: #f3f1fe !important;
}
/* 选中一行背景色 */
.gantt_grid_data .gantt_row.gantt_selected,
.gantt_grid_data .gantt_row.odd.gantt_selected,
.gantt_task_row.gantt_selected {
  background-color: #f3f1fe !important;
}
/* 选中一行每个单元格右border颜色 */
.gantt_task_row.gantt_selected .gantt_task_cell {
  border-right-color: #f3f1fe !important;
}

/* 标记线 */
.gantt_marker {
  background-color: #f4ae05;
  opacity: 0.8;
}

/*滚动条整体样式*/
.gantt-wrapper ::-webkit-scrollbar {
  width: 14px; /*宽分别对应竖滚动条的尺寸*/
  height: 6px; /*高分别对应横滚动条的尺寸*/
}

/*滚动条里面轨道*/
.gantt-wrapper ::-webkit-scrollbar-track {
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 5px;
}
/*滚动条里面拖动条*/
.gantt-wrapper ::-webkit-scrollbar-thumb {
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 5px;
}
.gantt-wrapper ::-webkit-scrollbar-thumb:hover {
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 5px;
}

/* 展开收起背景图片 */
.gantt_tree_icon.gantt_close,
.gantt_tree_icon.gantt_open {
  background-image: none !important;
  position: relative;
}
/* 收起小三角 */
.gantt_tree_icon.gantt_close::after {
  position: absolute;
  content: "";
  top: 14px;
  left: 10px;
  border-right: 6px solid transparent;
  border-left: 6px solid transparent;
  border-top: 6px solid #999999;
}
/* 展开小三角 */
.gantt_tree_icon.gantt_open::after {
  position: absolute;
  content: "";
  top: 12px;
  left: 12px;
  border-bottom: 6px solid transparent;
  border-top: 6px solid transparent;
  border-left: 6px solid #999999;
}
/* 下方滚动条宽度 */
.gantt_layout_cell .gantt_hor_scroll {
  width: calc(100% - 199px) !important;
  left: 199px;
}

.scaleStyle {
  height: 20px;
}
/* 周末背景颜色 */
.weekend {
  background: rgb(189, 185, 186) !important;
  width: 30s;
}
</style>
