visual-array/index.html at master · FrankKai/visual-array · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>数组可视化</title>
  </head>
  <style>
    *{
      padding:0;
      margin:0;
      box-sizing:border-box;
    }
    body{
      background:yellowgreen;
    }
    button{
      padding: 2px 10px;
    }
    .container {
      height: 100vh;
      display: flex;
      flex-direction: column;
      padding: 20px;
    }
    .factory-content__array_container::after{
      content:"  数组元素逗号分隔,支持输入 例如5,3,1,4,2 或 [5,3,1,4,2]";
      font-size:12px;
    }
    .factory-content__cs_container::after{
      content:"  样式属性逗号分隔,属性不要带引号 例如font: 20px math, strokeStyle: red, lineWidth: 1";
      font-size:12px;
    }
    .factory-content__tt_container::after{
      content:"  顶部文字配置逗号分隔,属性不要带引号 例如left:队头,right:队尾";
      font-size:12px;
    }
    .factory-footer{
      margin-top:20px;
    }
    main{
      flex-grow: 1;
      display: flex;
      align-items: center;
      justify-content: space-around;
    }
    #canvas{
      background: #fff;
      border-radius: 5px;
      padding: 10px;
    }
    footer{
      text-align: center;
    }
  </style>
  <body>
    <div class="container"">
      <header>
        <h1>数组可视化小工具</h1>
        <div class="factory">
          <div class="factory-content">
            <p class="factory-content__array_container"><span>数组array  </span><input class="factory-content__array_input" type="text"></p>
            <p class="factory-content__cw_container"><span>单个元素宽度cw  </span><input class="factory-content__cw_input" type="number"></p>
            <p class="factory-content__ch_container"><span>单个元素高度ch  </span><input class="factory-content__ch_input" type="number"></p>
            <p class="factory-content__cs_container"><span>自定义样式customStyle  </span><textarea class="factory-content__cs_textarea" rows="5" cols="30"></textarea>
            <div class="factory-content__bi_container">
              <span>索引类型bottomIndex  </span>
              <div>
                <input class="factory-content__bi_input" type="radio" id="ht" name="bi" value="head tail"
                        checked>
                <label for="ht">head tail</label>
              </div>

              <div>
                <input class="factory-content__bi_input" type="radio" id="all" name="bi" value="all">
                <label for="all">all</label>
              </div>
            </div>
            <p class="factory-content__tt_container"><span>自定义顶部文字topText  </span><textarea class="factory-content__tt_textarea" rows="5" cols="30"></textarea>
          </div>
          <div class="array-actions">
            <button id="unshift">unshift</button>
            <button id="push">push</button>
            <button id="shift">shift</button>
            <button id="pop">pop</button>
          </div>
          <div class="factory-footer">
            <button id="generate">生成</button>
            <button id="clear">清空</button>
          </div>
        </div>
      </header>
      <main>
        <div id="canvas"></div>
        <button id="export">导出图片</button>
      </main>
      <footer>
        <p><span>Github地址:  </span><a href="https://github.com/FrankKai/visual-array">visual-array</a></p>
      </footer>
    </div>
  </body>
  <script>var exports = {};</script>
  <script src="./dist/visual-array.js"></script>
  <script>
    // const arr = [2, 3, 1, 5, 6, 9, 2, 6, 7];
    // const visualArray = new VisualArray("canvas", arr, 60, 60, "all", null, {
    //   font: "20px math",
    //   strokeStyle: "black",
    //   lineWidth: 1,
    // });
    // console.log(visualArray);
    const canvasConfig = {
      array: null,
      cw: null,
      ch: null,
      bottomIndex: null,
      topText: null,
      customStyle: null,
      _canvas: null
    };

    // 输入需要可视化的数组
    const factoryArray = document.querySelector(".factory-content__array_input");
    factoryArray.addEventListener('input',(e)=>{
      try{
        canvasConfig.array = e.target.value.replace(/\[|\]/g,"").split(",").filter((str)=> str).map((num)=>parseInt(num.trim()));
      }catch(error){
        throw new Error(error)
      }
    })
    // 生成可视化数组图
    document.getElementById('generate').addEventListener("click", () => {
      // 先清空
      if(canvasConfig._canvas){
        canvasConfig._canvas.clearCanvas();
      }
      // 获取cw和ch宽度
      const cw = document.querySelector(".factory-content__cw_input").valueAsNumber || 60;
      const ch = document.querySelector(".factory-content__ch_input").valueAsNumber || 60;
      // 获取customStyle
      let cs = document.querySelector(".factory-content__cs_textarea").value || { font: "30px math", strokeStyle: "black", lineWidth: 1 };
      if(typeof cs === 'string'){
        cs = cs.split(",").reduce((acc, cur)=>{
          const [key, value] = cur.split(":");
          console.log(cur.split(":"));
          acc[key.trim()]= value.trim();
          return acc;
        }, {})
      }
      // 获取索引类型bottomIndex
      const bis = document.querySelectorAll(".factory-content__bi_input");
      let bi = "all";
      bis.forEach((el)=>{
        if(el.checked){
          bi = el.value
        }
      })
      // 获取topText
      let tt = document.querySelector(".factory-content__tt_textarea").value;
      if(tt){
        tt = tt.split(",").reduce((acc, cur)=>{
          const [key, value] = cur.split(":");
          if(key === 'left'){
            acc.data[0] = value
          }else{
            acc.data[canvasConfig.array.length - 1] = value
          }
          return acc;
        }, {show: true, data: {}})
      }
      console.log(tt);

      const visualArray = new VisualArray({containerId: "canvas", array: canvasConfig.array, cw, ch, bottomIndex: bi, topText:tt, customStyle:cs});
      console.log(canvasConfig.array, cw, ch, bi, tt, cs);
      canvasConfig._canvas = visualArray;
    });
    // 清空画布
    document.getElementById('clear').addEventListener("click", () => {
      if(canvasConfig._canvas){
        canvasConfig._canvas.clearCanvas();
        // 清空input数据
        factoryArray.value = "";
        // 清空存储的数据
        canvasConfig.array = null;
      }
    });
    // 导出图片
    document.getElementById("export").addEventListener("click", () => {
      if(canvasConfig._canvas){
        canvasConfig._canvas.exportImage();
      }
    });
    // 数组操作
    document.getElementById("unshift").addEventListener("click", () => {
      if(canvasConfig._canvas){
        canvasConfig._canvas.mutateArray("unshift", Math.floor(10*Math.random()));
      }
    });
    document.getElementById("push").addEventListener("click", () => {
      if(canvasConfig._canvas){
        canvasConfig._canvas.mutateArray("push", Math.floor(10*Math.random()));
      }
    });
    document.getElementById("shift").addEventListener("click", () => {
      if(canvasConfig._canvas){
        canvasConfig._canvas.mutateArray("shift");
      }
    });
    document.getElementById("pop").addEventListener("click", () => {
      if(canvasConfig._canvas){
        canvasConfig._canvas.mutateArray("pop");
      }
    });
  </script>
</html>