From 90a5b7532a73780bb9b6f9310b2701ea0a14ecf7 Mon Sep 17 00:00:00 2001
From: chiayin <chiayin.kuo@dsp.im>
Date: Thu, 1 Jun 2023 14:54:39 +0800
Subject: [PATCH] Discover: SidebarFilter Timeframes div & slider done.

---
 src/components/Discover/Filter/Timeframes.vue | 254 ++----------------
 src/components/VueChart.vue                   | 179 ------------
 src/module/timeframes.js                      | 121 ---------
 3 files changed, 20 insertions(+), 534 deletions(-)
 delete mode 100644 src/components/VueChart.vue
 delete mode 100644 src/module/timeframes.js

diff --git a/src/components/Discover/Filter/Timeframes.vue b/src/components/Discover/Filter/Timeframes.vue
index de48c76..190fe23 100644
--- a/src/components/Discover/Filter/Timeframes.vue
+++ b/src/components/Discover/Filter/Timeframes.vue
@@ -6,9 +6,7 @@
         <span class="material-symbols-outlined mr-2 text-base">info</span>
         <p>Select or fill in a time range.</p>
       </div>
-      <!-- <Chart type="line" :data="chartData" :options="chartOptions" class="h-3/5"  ref="TimeChart" /> -->
       <div class="chartContainer">
-        <!-- <Chart type="line" :data="chartData" :options="chartOptions" class="h-3/5"  ref="TimeChart" /> -->
         <canvas id="chartCanvasId"></canvas>
         <div id="chart-mask-left"></div>
         <div id="chart-mask-right"></div>
@@ -16,10 +14,9 @@
 
       <div class="px-2">
         <!-- <Slider v-model="selectArea" :step="1" :min="1" :max="timeFrameTotal" range class="mx-2"/> -->
-        <Slider v-model="selectArea" :step="1" :min="0" :max="100" range class="mx-2" @change="changeSelectArea($event)"/>
+        <Slider v-model="selectArea" :step="1" :min="0" :max="selectRange" range class="mx-2" @change="changeSelectArea($event)"/>
         <br/>
         {{ selectArea }}<br/>
-        total: {{ timeFrameData.length }}<br/>
       </div>
       <div>
         <div @click.stop.prevent="">
@@ -34,11 +31,8 @@
 <script>
 import { storeToRefs } from 'pinia';
 import AllMapDataStore from '@/stores/allMapData.js';
-import getMoment from 'moment';
-import { timeRange, yTimeRange } from '@/module/timeframes.js';
 import { Chart, registerables } from 'chart.js';
 import 'chartjs-adapter-date-fns';
-import "chart.js/auto";
 
 export default{
   setup() {
@@ -49,16 +43,15 @@ export default{
   },
   data() {
     return {
-      // timeFrameData: [],
-      chartOptions: null,
-      selectArea: [1, 10],
+      selectRange: 300, // 更改 select 的切分數
+      selectArea: [1,10],
       date: null,
       chart: null,
       canvasId: null,
     }
   },
   computed: {
-    // Set Slider Time Range，滑塊範圍: 最小值 + data(10 個) + 最大值
+    // 加入最大、最小值
     timeFrameData: function(){
       let data = this.filterTimeframe.data.map(i=>({x:i.x,y:i.y}))
       // y 軸斜率計算請參考 ./public/timeFrameSlope 的圖
@@ -97,224 +90,25 @@ export default{
         y: mf,
       })
 
-      let xVal = timeRange(data[0].x, data[data.length-1].x, 100);
-      let yVal = yTimeRange(data, 100); // y 還沒做切分份數
-      let timeData = xVal.map((x, index) => ({ x, y: yVal[index] }));
-
       return data;
-      // return timeData;
     },
-    timeFrameTotal: function() {
-      return this.timeFrameData.length;
-    },
-    chartData: function() {
-      // !!畫面顯示的時間，資料轉換，在這邊最後一個步驟做就好!!
-      let labels = this.timeFrameData.map(time => getMoment(time.x).format("YYYY-MM-DD"));
-      let chartData = this.timeFrameData.map(item => {
-        // return item.y
-        return {
-          x: getMoment(item.x).format("YYYY-MM-DD"),
-          y: item.y,
-          }
-        })
-
-      const start = this.selectArea[0]-1;
-      const end = this.selectArea[1]-1;
-      const inside = (ctx, value) => ctx.p0DataIndex >= start && ctx.p1DataIndex <= end ? value : undefined;
-      const outside = (ctx, value) => ctx.p0DataIndex < start || ctx.p1DataIndex > end ? value : undefined;
-
-      return {
-        // 要呈現的資料
-        // labels:'Data',
-        datasets: [
-          {
-            label: 'Case', // 資料的標題標籤
-            // data: chartData,
-            data: this.timeFrameData,
-            fill: true,
-            showLine: false,
-            tension: 0.4,
-            backgroundColor: 'rgba(203, 213, 225)',
-            pointRadius: 0,
-            spanGaps: true,
-            segment: {
-              backgroundColor: ctx => inside(ctx, 'rgb(0,153,255)') || outside(ctx, 'rgb(203, 213, 225)'),
-              // backgroundColor: ctx => inside(ctx, 'rgb(245,40,145)') || outside(ctx, 'rgb(250, 196, 224)'),
-             },
-            x: 'x',
-            y: 'y',
-          },
-        ]
-      };
-    },
-    options: function() {
-      const max = this.filterTimeframe.y_axis.max * 1.1;
-      return {
-        onResize: (chart, size) => {
-          this.resizeMask(chart, 0.38, 0.72);
-        },
-        responsive: true,
-        maintainAspectRatio: false,
-        layout: {
-          padding: {
-            top: 16,
-            left: 8,
-            right: 8,
-          }
-        },
-        plugins: {
-          legend: false, // 圖例
-          filler: {
-            propagate: false
-          },
-        },
-        animations: false, // 取消動畫
-        interaction: {
-          intersect: false,
-        },
-        scales: {
-          x: {
-            type: 'time',
-            ticks: {
-              color: '#0f172a',
-              display: true,
-            },
-            grid: {
-              display: false, // 隱藏 x 軸網格
-            },
-          },
-          y: {
-            beginAtZero: true, // scale 包含 0
-            max: max,
-            ticks: { // 設定間隔數值
-              display: false, // 隱藏數值，只顯示格線
-              stepSize: max / 4,
-            },
-            grid: {
-              color: 'rgba(100,116,139)',
-              z: 1,
-            },
-            border: {
-              display: false, // 隱藏左側多出來的線
-            }
-          },
-        },
-      }
-    },
-    config: function() {
-      const data = {
-        datasets: [
-          {
-            label: 'Case',
-            data: this.timeFrameData,
-            fill: 'start',
-            showLine: false,
-            tension: 0.4,
-            backgroundColor: 'rgba(0,153,255)',
-            pointRadius: 0,
-            x: 'x',
-            y: 'y',
-          }
-        ]
-      };
-      return {
-        type: 'line',
-        data: data,
-        options: this.options,
-      };
-    }
   },
   methods: {
-    /**
-     * Set bar chart Options
-     */
-    setChartOptions() {
-      // 給取並取得 chart canvas 的 ID
-      // this.$nextTick(() => {
-      //   const canvasId = this.$refs.TimeChart.$el;
-      //   const chartCanvasId = canvasId.querySelector('canvas');
-      //   chartCanvasId.setAttribute('id', 'chartCanvas');
-      // });
-      // console.log(chartCanvasId);
-      // 找出 y 軸最大值，乘以 1.1 讓圖的上方多一點空間
-      const max = this.filterTimeframe.y_axis.max * 1.1;
-
-      const config =  { // 自訂屬性設定
-        // onResize: (chart, size) => {
-        //   this.resizeMask(chart, 0.38, 0.72);
-        // },
-        // responsive: true,
-        maintainAspectRatio: false,
-        aspectRatio: 0.6,
-        layout: {
-            padding: {
-              top: 16,
-              left: 8,
-              right: 8,
-            }
-        },
-        plugins: {
-          legend: false, // 圖例
-          filler: {
-            propagate: false
-          },
-        },
-        animations: false, // 取消動畫
-        scales: {
-          x: {
-            type: 'time',
-            time: {
-              tooltipFormat: 'DD T',
-            },
-            ticks: {
-              color: '#0f172a',
-              display: true,
-            },
-            grid: {
-              display: false, // 隱藏 x 軸網格
-            },
-          },
-          y: {
-            beginAtZero: true, // scale 包含 0
-            max: max,
-            ticks: { // 設定間隔數值
-              display: false, // 隱藏數值，只顯示格線
-              stepSize: max / 4,
-            },
-            grid: {
-              color: 'rgba(100,116,139)',
-              z: 1,
-            },
-            border: {
-              display: false, // 隱藏左側多出來的線
-            }
-          },
-        },
-      };
-      // const myChart = new Chart(chartCanvasId, config);
-      // this.resizeMask(myChart, 0.38, 0.72);
-      // myChart.destroy()
-
-      return config
-    },
-    resizeMask(chart, from, to) {
-      console.log('resizeMask');
-      if (chart.chartArea === undefined) return;
+    resizeMask(chart) {
+      let from = (this.selectArea[0] * 0.01) / (this.selectRange * 0.01);
+      let to = (this.selectArea[1] * 0.01) / (this.selectRange * 0.01);
       this.resizeLeftMask(chart, from);
       this.resizeRightMask(chart, to);
     },
     resizeLeftMask(chart, from) {
-      console.log('resizeLeftMask');
       const canvas = document.getElementById("chartCanvasId");
       const mask = document.getElementById("chart-mask-left");
-      console.log(canvas);
       mask.style.left = `${canvas.offsetLeft + chart.chartArea.left}px`;
       mask.style.width = `${chart.chartArea.width * from}px`;
       mask.style.top = `${canvas.offsetTop + chart.chartArea.top}px`;
       mask.style.height = `${chart.chartArea.height}px`;
     },
     resizeRightMask(chart, to) {
-      console.log('resizeRightMask');
       const canvas = document.getElementById("chartCanvasId");
       const mask = document.getElementById("chart-mask-right");
       mask.style.left = `${canvas.offsetLeft + chart.chartArea.left + chart.chartArea.width * to}px`;
@@ -322,7 +116,7 @@ export default{
       mask.style.top = `${canvas.offsetTop + chart.chartArea.top}px`;
       mask.style.height = `${chart.chartArea.height}px`;
     },
-    createChart(start, end) {
+    createChart() {
       const max = this.filterTimeframe.y_axis.max * 1.1;
 
       const data = {
@@ -341,9 +135,6 @@ export default{
         ]
       };
       const options = {
-        onResize: (chart, size) => {
-          this.resizeMask(chart, start, end);
-        },
         responsive: true,
         maintainAspectRatio: false,
         layout: {
@@ -358,10 +149,16 @@ export default{
           filler: {
             propagate: false
           },
+          title: false
+        },
+        // animations: false, // 取消動畫
+        animation: {
+          onComplete: e => {
+            this.resizeMask(e.chart);
+          }
         },
-        animations: false, // 取消動畫
         interaction: {
-          intersect: false,
+          intersect: true,
         },
         scales: {
           x: {
@@ -398,30 +195,19 @@ export default{
       };
       this.canvasId = document.getElementById("chartCanvasId");
       this.chart = new Chart(this.canvasId, config);
-      this.resizeMask(this.chart, start, end);
     },
     /**
      * 滑塊改變的時候
-     * @param   {array} e [1, 100]
+     * @param {array} e [1, 100]
      */
     changeSelectArea(e) {
-      // const canvas = document.getElementById("chartCanvasId");
-      // window.chartCanvasId.destroy();
-      // const chart = new Chart(canvas, this.config);
-      // const chart = new Chart(this.canvasId, this.config);
-
-      // this.resizeMask(this.chart, e[0]/10, e[1]/10);
-      this.chart.destroy()
-      this.createChart(e[0]*0.01, e[1]*0.01)
+      this.resizeMask(this.chart)
     },
   },
   mounted() {
     Chart.register(...registerables);
-    this.createChart(0.38, 0.72);
-    // this.chartOptions = this.setChartOptions();
-    // this.selectArea = [1, this.timeFrameTotal];
-    this.selectArea = [38, 72]
-
+    this.createChart();
+    this.selectArea = [0, this.selectRange]
   },
 }
 </script>
diff --git a/src/components/VueChart.vue b/src/components/VueChart.vue
deleted file mode 100644
index 0397799..0000000
--- a/src/components/VueChart.vue
+++ /dev/null
@@ -1,179 +0,0 @@
-<!doctype html>
-<html xmlns="http://www.w3.org/1999/xhtml" lang="zh-hant">
-<head>
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1">
-  <meta name="author" content="imacat" />
-  <script src="https://cdn.jsdelivr.net/npm/chart.js@4.3.0/dist/chart.umd.min.js "></script>
-  <title></title>
-  <style>
-#chart-container {
-    position: relative;
-    margin: 2rem 4rem;
-    padding: 20px 40px;
-    border: 1px solid black;
-    width: 60%;
-    height: 60%;
-}
-#chart-canvas {
-    border: 1px solid red;
-}
-#chart-mask-left, #chart-mask-right {
-    position: absolute;
-    background-color: rgba(255, 255, 255, 0.5);
-}
-  </style>
-  <script>
-document.addEventListener("DOMContentLoaded", () => initializeChart());
-let chart = null;
-function initializeChart() {
-    const canvas = document.getElementById("chart-canvas");
-    const values = [22, 25, 37, 44, 52, 63, 42, 37, 20, 14, 8, 16];
-    const data = {
-        labels: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12],
-        datasets: [
-            {
-                label: 'Dataset',
-                data: values,
-                borderColor: "#FF0000",
-                backgroundColor: "#FF000080",
-                fill: "start",
-            }
-        ]
-    };
-    const config = {
-        type: 'line',
-        data: data,
-        options: {
-            plugins: {
-                filler: {
-                    propagate: false,
-                },
-                title: {
-                    display: true,
-                    text: (ctx) => 'Fill: ' + ctx.chart.data.datasets[0].fill
-                }
-            },
-            interaction: {
-                intersect: false,
-            },
-            elements: {
-                line: {
-                    tension: 0.4,
-                },
-            },
-            responsive: true,
-            onResize: function(chart, size) {
-                resizeMask(chart, 0.38, 0.72);
-            },
-            maintainAspectRatio: false,
-        },
-    };
-    const chart = new Chart(canvas, config);
-    resizeMask(chart, 0.38, 0.72);
-}
-function resizeMask(chart, from, to) {
-    if (chart.chartArea === undefined) {
-        return;
-    }
-    resizeLeftMask(chart, from);
-    resizeRightMask(chart, to);
-}
-function resizeLeftMask(chart, from) {
-    const canvas = document.getElementById("chart-canvas");
-    const mask = document.getElementById("chart-mask-left");
-    mask.style.left = `${canvas.offsetLeft + chart.chartArea.left}px`;
-    mask.style.width = `${chart.chartArea.width * from}px`;
-    mask.style.top = `${canvas.offsetTop + chart.chartArea.top}px`;
-    mask.style.height = `${chart.chartArea.height}px`;
-}
-function resizeRightMask(chart, to) {
-    const canvas = document.getElementById("chart-canvas");
-    const mask = document.getElementById("chart-mask-right");
-    mask.style.left = `${canvas.offsetLeft + chart.chartArea.left + chart.chartArea.width * to}px`;
-    mask.style.width = `${chart.chartArea.width * (1 - to)}px`;
-    mask.style.top = `${canvas.offsetTop + chart.chartArea.top}px`;
-    mask.style.height = `${chart.chartArea.height}px`;
-}
-  </script>
-</head>
-<body>
-​
-<div id="chart-container">
-  <canvas id="chart-canvas"></canvas>
-  <div id="chart-mask-left"></div>
-  <div id="chart-mask-right"></div>
-</div>
-​
-</body>
-</html>
-
-<script>
-import Chart from 'chart.js';
-import 'chartjs-plugin-datalabels';
-
-const originalXValues = ['2020-01-01', '2020-12-01'];
-const originalYValues = [1, 10];
-const numNewValues = 10;
-
-// 将日期字符串转换为日期对象
-const parseDate = (dateStr) => {
-  const [year, month, day] = dateStr.split('-');
-  return new Date(year, month - 1, day);
-};
-
-// 计算两个日期之间的天数差
-const getDaysDiff = (date1, date2) => {
-  const oneDay = 24 * 60 * 60 * 1000; // 一天的毫秒数
-  return Math.round(Math.abs((date1 - date2) / oneDay));
-};
-
-// 计算新的 x 值
-const interpolateXValues = (xValues, numNewValues) => {
-  const startDate = parseDate(xValues[0]);
-  const endDate = parseDate(xValues[1]);
-  const daysDiff = getDaysDiff(startDate, endDate);
-  const step = daysDiff / (numNewValues + 1);
-
-  const newValues = [];
-  for (let i = 1; i <= numNewValues; i++) {
-    const newDate = new Date(startDate.getTime() + step * i * 24 * 60 * 60 * 1000);
-    const formattedDate = newDate.toISOString().substring(0, 10);
-    newValues.push(formattedDate);
-  }
-
-  return newValues;
-};
-
-// 创建 Chart.js 图表
-const ctx = document.getElementById('myChart').getContext('2d');
-new Chart(ctx, {
-  type: 'line',
-  data: {
-    labels: originalXValues,
-    datasets: [{
-      label: 'Data',
-      data: originalYValues,
-      backgroundColor: 'rgba(0, 123, 255, 0.5)',
-      borderColor: 'rgba(0, 123, 255, 1)',
-      borderWidth: 1
-    }]
-  },
-  options: {
-    plugins: {
-      datalabels: {
-        display: false
-      }
-    },
-    // 使用 beforeUpdate 钩子函数修改数据集
-    beforeUpdate: (chart) => {
-      const dataset = chart.data.datasets[0];
-      const newValues = interpolateXValues(originalXValues, numNewValues);
-
-      dataset.data = dataset.data.concat(new Array(numNewValues).fill(null));
-      chart.data.labels = chart.data.labels.concat(newValues);
-    }
-  }
-});
-
-</script>
\ No newline at end of file
diff --git a/src/module/timeframes.js b/src/module/timeframes.js
deleted file mode 100644
index 8b4075b..0000000
--- a/src/module/timeframes.js
+++ /dev/null
@@ -1,121 +0,0 @@
-/**
- * 將一段時間均分成多段的時間點
- * @param   {string} startTime 開始時間(ex:2017-10-05)
- * @param   {string} endTime   結束時間(ex:2017-10-06)
- * @param   {number} amount    切分成多少段
- * @returns {array}            均分成多段的時間 array
- */
-export function timeRange(minTime, maxTime, amount) {
-  // x 軸(時間軸)的範圍是最大-最小，從最小值按照 index 累加間距到最大值
-  const startTime = Date.parse(minTime)/1000; // 計算開始時間的時間戳記(單位:秒)
-  const endTime = Date.parse(maxTime)/1000; // 計算結束時間的時間戳記(單位:秒)
-  const timeRange = []; // return數據初始化
-  const timeGap = (endTime - startTime) / (amount - 1); // 切割後的時間間格
-
-  for (let i = 0; i < amount; i++) {
-    timeRange.push(startTime + timeGap * i);
-  }
-
-  return timeRange;
-  // min: this.timeFrameData[0].x
-  // max: this.timeFrameData[this.timeFrameData.length-1].x
-}
-/**
- * 將 y 軸的值分割成跟 x 時間軸一樣的等份，使用統計學 R 語言算出貝茲曲線攻勢
- * @param   {array}  data       切分成多少段
- * @param   {number} yAmount    切分成多少段
- * @returns {array}             均分成多段的時間 array
- */
-export function yTimeRange(data, yAmount) {
-  const yRange = [];
-
-  // 貝茲曲線公式
-  const threebsr = function (t, a1, a2, a3, a4) {
-    return (
-      (1 - t) * (1 - t) * (1 - t) * a1 +
-        3 * t * (1 - t)* (1 - t) * a2 +
-        3 * t * t *  (1 - t) * a3 +
-        t * t * t * a4
-    )
-  }
-
-  // console.log(data);
-  // y min 切 5 份
-  for (let i = 0; i <= 1; i += 0.25) {
-    yRange.push(threebsr(i, data[0].y, data[0].y, data[1].y, data[1].y));
-  }
-  // console.log(yRange);
-
-  // y middle 每段切 6 份，從 0.1 開始
-   for (let j = 1; j < data.length - 2; j++) {
-    for (let i = 0.1; i <= 1; i += 0.1) {
-      yRange.push(threebsr(i, data[j].y, data[j].y, data[j+1].y, data[j+1].y));
-    }
-    // console.log(yRange);
-  }
-
-  // y max
-  for (let i = 0.2; i <= 1; i += 0.2) {
-    yRange.push(threebsr(i, data[data.length - 2].y, data[data.length - 2].y, data[data.length - 1].y, data[data.length - 1].y));
-  }
-  // console.log(yRange);
-
-  return yRange;
-
-  // y min
-  // const yMinPercent = 0.05;
-  // const yMinGap = (data[1].y-data[0].y) / (yAmount * yMinPercent - 1) ;
-  // for (let i = 0; i < yAmount * yMinPercent; i++) {
-  //   // yRange.push(data[0].y + yMaxGap * i);
-  // }
-
-  // // y middle
-  // const yMiddlePercent = 0.11;
-  // for (let j = 1; j < data.length - 2; j++) {
-  //   const yMiddleGap = (data[j + 1].y - data[j].y) / (yAmount * yMiddlePercent - 1);
-  //   for (let i = 1; i < yAmount * yMiddlePercent; i++) {
-  //     yRange.push(data[j].y + yMiddleGap * i);
-  //   }
-  // }
-
-  // // y max
-  // const yMaxPercent = 0.06;
-  // const yMaxGap = (data[data.length - 1].y - data[data.length - 2].y) / (yAmount * yMaxPercent - 1);
-  // for (let i = 1; i < yAmount * yMaxPercent; i++) {
-  //   yRange.push(data[data.length - 2].y + yMaxGap * i);
-  // }
-
-  // return yRange;
-  // // data: this.timeFrameData
-
-  // 貝茲曲線公式
-  // let threebsr = function (t, a1, a2, a3, a4) {
-  //   return (
-  //     (1 - t) * (1 - t) * (1 - t) * a1 +
-  //       3 * t * (1 - t)* (1 - t) * a2 +
-  //       3 * t * t *  (1 - t) * a3 +
-  //       t * t * t * a4
-  //   )
-  // };
-
-  // y min
-  // let y = [
-  //   threebsr(0, 448, 448, 429, 429),
-  //   threebsr(0.1, 448, 448, 429, 429),
-  //   threebsr(0.2, 448, 448, 429, 429),
-  //   threebsr(0.3, 448, 448, 429, 429),
-  //   threebsr(0.4, 448, 448, 429, 429),
-  //   threebsr(0.5, 448, 448, 429, 429),
-  //   threebsr(0.6, 448, 448, 429, 429),
-  //   threebsr(0.7, 448, 448, 429, 429),
-  //   threebsr(0.8, 448, 448, 429, 429),
-  //   threebsr(0.9, 448, 448, 429, 429),
-  //   threebsr(1, 448, 448, 429, 429),
-  // ]
-  // let y = []
-  // for (let i = 0; i <= 1; i += 0.25) {
-  //   y.push(threebsr(i, 448, 448, 429, 429));
-  // }
-  // console.log(y);
-
-}