From c391b7fb76109859a7fa62d265fb10604d5d3d73 Mon Sep 17 00:00:00 2001
From: ivo <ivo_d@icloud.com>
Date: Sat, 21 May 2022 14:09:04 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E6=88=90=E5=B0=BA=E5=AD=90=E5=9F=BA?=
 =?UTF-8?q?=E6=9C=AC=E5=8A=9F=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 package.json                       |   7 +-
 src/App.vue                        |  29 ++++-
 src/components/HelloWorld.vue      |  58 ----------
 src/components/dsw-ruler/index.vue | 171 +++++++++++++++++++++++++++++
 src/components/index.js            |  22 ++++
 5 files changed, 221 insertions(+), 66 deletions(-)
 delete mode 100644 src/components/HelloWorld.vue
 create mode 100644 src/components/dsw-ruler/index.vue
 create mode 100644 src/components/index.js

diff --git a/package.json b/package.json
index e559173..ff8e4b1 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,14 @@
 {
   "name": "dsw-ruler",
   "version": "0.1.0",
-  "private": true,
+  "main": "dist/ruler.dsw.min.js",
+  "private": false,
+  "jsx": "preserve",
   "scripts": {
     "serve": "vue-cli-service serve",
     "build": "vue-cli-service build",
-    "lint": "vue-cli-service lint"
+    "lint": "vue-cli-service lint",
+    "lib": "vue-cli-service build --target lib ./src/components/index.js"
   },
   "dependencies": {
     "core-js": "^3.8.3",
diff --git a/src/App.vue b/src/App.vue
index 55df315..2b4c2c4 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,28 +1,45 @@
 <template>
   <div id="app">
-    <img alt="Vue logo" src="./assets/logo.png">
-    <HelloWorld msg="Welcome to Your Vue.js App"/>
+    <DswRuler class="horizontal" :minNum="-107" :maxNum="1500" @move="callback" @click="callback"></DswRuler>
+    <!-- <DswRuler class="vertical" :orientation="1" :minNum="-107" :maxNum="150"></DswRuler> -->
   </div>
 </template>
 
 <script>
-import HelloWorld from './components/HelloWorld.vue'
-
+import DswRuler from "./components/dsw-ruler/index.vue";
 export default {
   name: 'App',
   components: {
-    HelloWorld
+    DswRuler
+  },
+  methods: {
+    callback(val) {
+      console.log(val);
+    }
   }
 }
 </script>
 
 <style>
-#app {
+/* #app {
   font-family: Avenir, Helvetica, Arial, sans-serif;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
   text-align: center;
   color: #2c3e50;
   margin-top: 60px;
+} */
+.horizontal {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+}
+.vertical {
+  position: absolute;
+  top: 0;
+  left: 0;
+  height: 100%;
+  width: 20px;
 }
 </style>
diff --git a/src/components/HelloWorld.vue b/src/components/HelloWorld.vue
deleted file mode 100644
index 879051a..0000000
--- a/src/components/HelloWorld.vue
+++ /dev/null
@@ -1,58 +0,0 @@
-<template>
-  <div class="hello">
-    <h1>{{ msg }}</h1>
-    <p>
-      For a guide and recipes on how to configure / customize this project,<br>
-      check out the
-      <a href="https://cli.vuejs.org" target="_blank" rel="noopener">vue-cli documentation</a>.
-    </p>
-    <h3>Installed CLI Plugins</h3>
-    <ul>
-      <li><a href="https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-babel" target="_blank" rel="noopener">babel</a></li>
-      <li><a href="https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-eslint" target="_blank" rel="noopener">eslint</a></li>
-    </ul>
-    <h3>Essential Links</h3>
-    <ul>
-      <li><a href="https://vuejs.org" target="_blank" rel="noopener">Core Docs</a></li>
-      <li><a href="https://forum.vuejs.org" target="_blank" rel="noopener">Forum</a></li>
-      <li><a href="https://chat.vuejs.org" target="_blank" rel="noopener">Community Chat</a></li>
-      <li><a href="https://twitter.com/vuejs" target="_blank" rel="noopener">Twitter</a></li>
-      <li><a href="https://news.vuejs.org" target="_blank" rel="noopener">News</a></li>
-    </ul>
-    <h3>Ecosystem</h3>
-    <ul>
-      <li><a href="https://router.vuejs.org" target="_blank" rel="noopener">vue-router</a></li>
-      <li><a href="https://vuex.vuejs.org" target="_blank" rel="noopener">vuex</a></li>
-      <li><a href="https://github.com/vuejs/vue-devtools#vue-devtools" target="_blank" rel="noopener">vue-devtools</a></li>
-      <li><a href="https://vue-loader.vuejs.org" target="_blank" rel="noopener">vue-loader</a></li>
-      <li><a href="https://github.com/vuejs/awesome-vue" target="_blank" rel="noopener">awesome-vue</a></li>
-    </ul>
-  </div>
-</template>
-
-<script>
-export default {
-  name: 'HelloWorld',
-  props: {
-    msg: String
-  }
-}
-</script>
-
-<!-- Add "scoped" attribute to limit CSS to this component only -->
-<style scoped>
-h3 {
-  margin: 40px 0 0;
-}
-ul {
-  list-style-type: none;
-  padding: 0;
-}
-li {
-  display: inline-block;
-  margin: 0 10px;
-}
-a {
-  color: #42b983;
-}
-</style>
diff --git a/src/components/dsw-ruler/index.vue b/src/components/dsw-ruler/index.vue
new file mode 100644
index 0000000..a1f3777
--- /dev/null
+++ b/src/components/dsw-ruler/index.vue
@@ -0,0 +1,171 @@
+<template>
+<div>
+  <canvas
+    id="ruler"
+    :style="{'width': '100%', 'height': '100%', 'position':position}"
+    ></canvas>
+</div>
+</template>
+
+<script>
+export default {
+  name: 'DswRuler',
+  components: {},
+  props: {
+    minNum: {
+      type: Number,
+      default: 100
+    },
+    // position: {
+    //   type: String,
+    //   default: 'relative',
+    //   validator: function(val) {
+    //     return ['absolute', 'fixed', 'relative', 'static', 'inherit'].indexOf(val) !== -1
+    //   }
+    // }, // 规定元素的定位类型
+    maxNum: {
+      type: Number,
+      default: 20
+    },
+    orientation: {
+      type: Number,
+      default: 0
+    }, // 尺子方位，0为水平，1为垂直
+  },
+  data() {
+    return {
+      windowWidth: 0,
+      windowHeight: 0,
+      unit: 10,
+      scale: 1,
+    }
+  },
+  mounted() {
+    let canvas = document.getElementById('ruler');
+    canvas.addEventListener('mousemove', this.dottedLineMove, true)
+    canvas.addEventListener('click', this.dottedLineMove, true)
+    this.init();
+  },
+  methods: {
+    init() {
+      this.windowHeight = this.height
+
+      // const style = window.getComputedStyle(this.$el.parentNode,null)
+      // this.windowWidth = parseInt(style.getPropertyValue('width'), 10)
+
+      console.log(this.windowWidth);
+      console.log(this.windowHeight);
+
+      let canvas = document.getElementById('ruler');
+
+      if (this.orientation) {
+        this.windowWidth = canvas.getBoundingClientRect().height;
+        console.log('windowWidth', this.windowWidth);
+        canvas.height = this.windowWidth;
+        canvas.width = 20;
+      } else {
+        this.windowWidth = canvas.getBoundingClientRect().width;
+        console.log(this.windowWidth);
+        canvas.width = this.windowWidth;
+        canvas.height = 20;
+      }
+
+      this.scale = this.windowWidth / (this.maxNum - this.minNum);
+      this.drawGrid()
+
+    },
+    drawGrid() {
+      console.log('draw');
+      let canvas = document.getElementById('ruler');
+      if (!canvas.getContext) return;
+
+      // 方向判定
+      let maxPixel = 0
+      if (this.orientation) {
+        maxPixel = canvas.getBoundingClientRect().height;
+      } else {
+        maxPixel = canvas.getBoundingClientRect().width;
+      }
+      // console.log('maxPixel', maxPixel);
+      let height = 20
+
+      let rulerLength = this.maxNum - this.minNum;
+      let unitSize = maxPixel / rulerLength
+      console.log(this.maxNum - this.minNum);
+      console.log(unitSize);
+
+      let unit = 40
+      if (unitSize < 0.25) {
+        unit = 40
+      } else if (unitSize < 0.5) {
+        unit = 20
+      } else if (unitSize < 1) {
+        unit = 10
+      } else if (unitSize < 2) {
+        unit = 5
+      } else {
+        unit = 2
+      }
+
+      console.log(unit);
+
+      let ctx = canvas.getContext("2d");
+      ctx.fillStyle = "#ACACAC";
+      for (let i = this.minNum; i < this.maxNum; i++) {
+        if (i % unit !== 0) continue;
+        let lineLength = 2
+        if (i % (unit * 10) !== 0) {
+          lineLength = 4
+        } else {
+          ctx.font="10px sans-serif"
+          if (this.orientation) {
+            // todo
+            // ctx.fillText(i, Math.floor(height / 2), (i - this.minNum + Math.floor(unit / 2)) * this.scale);
+            ctx.save();
+            ctx.translate(Math.floor(height), (i - this.minNum + Math.floor(unit / 2)) * this.scale);
+            ctx.rotate(-90*Math.PI/180);
+            ctx.fillText(i,4,0);
+            ctx.restore();
+          } else {
+            ctx.fillText(i, (i - this.minNum + Math.floor(unit / 2)) * this.scale, Math.floor(height));
+          }
+        }
+
+        let x = 0;
+        let y = 0;
+        let w = 0;
+        let h = 0;
+        if (this.orientation) {
+          y = (i - this.minNum) * this.scale;
+          w = Math.floor(height / lineLength)
+          h = 2
+        } else {
+          x = (i - this.minNum) * this.scale;
+          w = 2
+          h = Math.floor(height / lineLength)
+        }
+        ctx.fillRect(x, y, w, h);
+      }
+      ctx.closePath();
+    },
+    dottedLineMove(e) {
+      // let canvas = document.getElementById('ruler').getBoundingClientRect();
+
+      let position = 0;
+      if (this.orientation) {
+        // console.log(Math.floor((e.pageY) / this.scale) + this.minNum);
+        position = Math.floor((e.pageY) / this.scale) + this.minNum
+      } else {
+        // console.log(Math.floor((e.pageX) / this.scale) + this.minNum);
+        position = Math.floor((e.pageX) / this.scale) + this.minNum
+      }
+
+      this.$emit('move', position)
+
+    }
+  }
+}
+</script>
+
+<style scoped>
+</style>
\ No newline at end of file
diff --git a/src/components/index.js b/src/components/index.js
new file mode 100644
index 0000000..363d7a6
--- /dev/null
+++ b/src/components/index.js
@@ -0,0 +1,22 @@
+// 整个包的入口
+
+// 定义 install 方法，接受 Vue 作为参数，如果使用 use 注册插件，则所有组件都将被注册
+
+import DswRuler from '../components/dsw-ruler/index.vue'
+
+
+const components = [
+    DswRuler
+]
+
+const install = function (Vue) {
+    // 全局注册所有组件
+    components.forEach(item => {
+        Vue.component(item.name, item)
+    })
+}
+// 判断是否是以文件方式或者CDN方式，如果是，则不用调用 Vue.use()。在 CommonJS 中应始终使用 Vue.use()
+if (typeof window !== 'undefined' && window.Vue) {
+    install(window.Vue)
+}
+export default install
\ No newline at end of file