From effde49ba75c1b02fafa425eb17a784d96debcb0 Mon Sep 17 00:00:00 2001
From: juzi <819872918@qq.com>
Date: Mon, 20 Feb 2023 15:37:40 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E7=BB=84=E4=BB=B6splitPane?=
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---
 index.js                                 |   4 +-
 package.json                             |   2 +-
 src/components/SplitPane/index.vue       | 334 +++++++++++++++++++++++
 src/components/SplitPane/triggerPane.vue |  45 +++
 src/components/SplitPane/utils.js        |  45 +++
 5 files changed, 428 insertions(+), 2 deletions(-)
 create mode 100644 src/components/SplitPane/index.vue
 create mode 100644 src/components/SplitPane/triggerPane.vue
 create mode 100644 src/components/SplitPane/utils.js

diff --git a/index.js b/index.js
index a8f6db6..ced8862 100644
--- a/index.js
+++ b/index.js
@@ -4,6 +4,7 @@ import Pagination from './src/components/Pagination/index.vue'
 import BaseTable from './src/components/BaseTable/index.vue'
 import InputArea from './src/components/BaseTable/subcomponents/InputArea.vue'
 import MethodBtn from './src/components/BaseTable/subcomponents/MethodBtn.vue'
+import SplitPane from './src/components/SplitPane/index.vue'
 
 let ModuleObj = {
   SearchBar,
@@ -11,7 +12,8 @@ let ModuleObj = {
   Pagination,
   BaseTable,
   InputArea,
-  MethodBtn
+  MethodBtn,
+  SplitPane
 }
 let MyModule = {}
 MyModule.install = (Vue) => {
diff --git a/package.json b/package.json
index cd6a9d7..a267353 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "code-brick-zj",
-  "version": "0.0.7",
+  "version": "0.1.0",
   "private": false,
   "description": "组件封装",
   "main": "index.js"
diff --git a/src/components/SplitPane/index.vue b/src/components/SplitPane/index.vue
new file mode 100644
index 0000000..95b3cc0
--- /dev/null
+++ b/src/components/SplitPane/index.vue
@@ -0,0 +1,334 @@
+<template>
+  <div ref="outerWrapper" :class="wrapperClasses">
+    <div v-if="isHorizontal" :class="`${prefix}-horizontal`">
+      <div
+        :style="{ right: `${anotherOffset}%` }"
+        class="left-pane"
+        :class="paneClasses"
+      >
+        <slot name="left" />
+      </div>
+      <div
+        :class="`${prefix}-trigger-con`"
+        :style="{ left: `${offset}%` }"
+        @mousedown="handleMousedown"
+      >
+        <slot name="trigger">
+          <trigger-pane mode="vertical" />
+        </slot>
+      </div>
+      <div
+        :style="{ left: `${offset}%` }"
+        class="right-pane"
+        :class="paneClasses"
+      >
+        <slot name="right" />
+      </div>
+    </div>
+    <div v-else :class="`${prefix}-vertical`">
+      <div
+        :style="{ bottom: `${anotherOffset}%` }"
+        class="top-pane"
+        :class="paneClasses"
+      >
+        <slot name="top" />
+      </div>
+      <div
+        :class="`${prefix}-trigger-con`"
+        :style="{ top: `${offset}%` }"
+        @mousedown="handleMousedown"
+      >
+        <slot name="trigger">
+          <trigger-pane mode="horizontal" />
+        </slot>
+      </div>
+      <div
+        :style="{ top: `${offset}%` }"
+        class="bottom-pane"
+        :class="paneClasses"
+      >
+        <slot name="bottom" />
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+import { oneOf, on, off } from './utils'
+import TriggerPane from './triggerPane.vue'
+export default {
+  name: 'SplitPane',
+  components: {
+    TriggerPane
+  },
+  props: {
+    value: {
+      type: [Number, String],
+      default: 0.5
+    },
+    mode: {
+      validator(value) {
+        return oneOf(value, ['horizontal', 'vertical'])
+      },
+      default: 'horizontal'
+    },
+    min: {
+      type: [Number, String],
+      default: '40px'
+    },
+    max: {
+      type: [Number, String],
+      default: '40px'
+    }
+  },
+  /**
+   * Events
+   * @on-move-start
+   * @on-moving 返回值：事件对象，但是在事件对象中加入了两个参数：atMin(当前是否在最小值处), atMax(当前是否在最大值处)
+   * @on-move-end
+   */
+  data() {
+    return {
+      prefix: 'zj-split',
+      offset: 0,
+      oldOffset: 0,
+      isMoving: false,
+      computedMin: 0,
+      computedMax: 0,
+      currentValue: 0.5
+    }
+  },
+  computed: {
+    wrapperClasses() {
+      return [`${this.prefix}-wrapper`, this.isMoving ? 'no-select' : '']
+    },
+    paneClasses() {
+      return [
+        `${this.prefix}-pane`,
+        {
+          [`${this.prefix}-pane-moving`]: this.isMoving
+        }
+      ]
+    },
+    isHorizontal() {
+      return this.mode === 'horizontal'
+    },
+    anotherOffset() {
+      return 100 - this.offset
+    },
+    valueIsPx() {
+      return typeof this.value === 'string'
+    },
+    offsetSize() {
+      return this.isHorizontal ? 'offsetWidth' : 'offsetHeight'
+    }
+  },
+  methods: {
+    px2percent(numerator, denominator) {
+      return parseFloat(numerator) / parseFloat(denominator)
+    },
+    getComputedThresholdValue(type) {
+      let size = this.$refs.outerWrapper[this.offsetSize]
+      if (this.valueIsPx)
+        return typeof this[type] === 'string' ? this[type] : size * this[type]
+      else
+        return typeof this[type] === 'string'
+          ? this.px2percent(this[type], size)
+          : this[type]
+    },
+    getMin(value1, value2) {
+      if (this.valueIsPx)
+        return `${Math.min(parseFloat(value1), parseFloat(value2))}px`
+      else return Math.min(value1, value2)
+    },
+    getMax(value1, value2) {
+      if (this.valueIsPx)
+        return `${Math.max(parseFloat(value1), parseFloat(value2))}px`
+      else return Math.max(value1, value2)
+    },
+    getAnotherOffset(value) {
+      let res = 0
+      if (this.valueIsPx)
+        res = `${
+          this.$refs.outerWrapper[this.offsetSize] - parseFloat(value)
+        }px`
+      else res = 1 - value
+      return res
+    },
+    handleMove(e) {
+      let pageOffset = this.isHorizontal ? e.pageX : e.pageY
+      let offset = pageOffset - this.initOffset
+      let outerWidth = this.$refs.outerWrapper[this.offsetSize]
+      let value = this.valueIsPx
+        ? `${parseFloat(this.oldOffset) + offset}px`
+        : this.px2percent(outerWidth * this.oldOffset + offset, outerWidth)
+      let anotherValue = this.getAnotherOffset(value)
+      if (parseFloat(value) <= parseFloat(this.computedMin))
+        value = this.getMax(value, this.computedMin)
+      if (parseFloat(anotherValue) <= parseFloat(this.computedMax))
+        value = this.getAnotherOffset(
+          this.getMax(anotherValue, this.computedMax)
+        )
+      e.atMin = this.value === this.computedMin
+      e.atMax = this.valueIsPx
+        ? this.getAnotherOffset(this.value) === this.computedMax
+        : this.getAnotherOffset(this.value).toFixed(5) ===
+          this.computedMax.toFixed(5)
+      this.$emit('input', value)
+      this.$emit('on-moving', e)
+    },
+    handleUp() {
+      this.isMoving = false
+      off(document, 'mousemove', this.handleMove)
+      off(document, 'mouseup', this.handleUp)
+      this.$emit('on-move-end')
+    },
+    handleMousedown(e) {
+      this.initOffset = this.isHorizontal ? e.pageX : e.pageY
+      this.oldOffset = this.value
+      this.isMoving = true
+      on(document, 'mousemove', this.handleMove)
+      on(document, 'mouseup', this.handleUp)
+      this.$emit('on-move-start')
+    },
+    computeOffset() {
+      this.$nextTick(() => {
+        this.computedMin = this.getComputedThresholdValue('min')
+        this.computedMax = this.getComputedThresholdValue('max')
+        this.offset =
+          ((this.valueIsPx
+            ? this.px2percent(
+                this.value,
+                this.$refs.outerWrapper[this.offsetSize]
+              )
+            : this.value) *
+            10000) /
+          100
+      })
+    }
+  },
+  watch: {
+    value(val) {
+      if (val !== this.currentValue) {
+        this.currentValue = val
+        this.computeOffset()
+      }
+    }
+  },
+  mounted() {
+    this.$nextTick(() => {
+      this.computeOffset()
+    })
+
+    on(window, 'resize', this.computeOffset)
+  },
+  beforeDestroy() {
+    off(window, 'resize', this.computeOffset)
+  }
+}
+</script>
+<style>
+.zj-split-wrapper {
+  position: relative;
+  width: 100%;
+  height: 100%;
+}
+.zj-split-pane {
+  position: absolute;
+}
+.zj-split-pane.left-pane,
+.zj-split-pane.right-pane {
+  top: 0;
+  bottom: 0;
+}
+.zj-split-pane.left-pane {
+  left: 0;
+}
+.zj-split-pane.right-pane {
+  right: 0;
+}
+.zj-split-pane.top-pane,
+.zj-split-pane.bottom-pane {
+  left: 0;
+  right: 0;
+}
+.zj-split-pane.top-pane {
+  top: 0;
+}
+.zj-split-pane.bottom-pane {
+  bottom: 0;
+}
+.zj-split-pane-moving {
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
+}
+/* 开始 */
+/* .zj-split-trigger {
+  border: 1px solid #dcdee2;
+} */
+.zj-split-trigger-con {
+  position: absolute;
+  transform: translate(-50%, -50%);
+  z-index: 10;
+}
+.zj-split-trigger-bar-con {
+  position: absolute;
+  overflow: hidden;
+}
+.zj-split-trigger-bar-con.vertical {
+  top: 50%;
+  height: 32px;
+  transform: translate(0, -50%);
+}
+.zj-split-trigger-bar-con.horizontal {
+  left: 50%;
+  height: 16px;
+  text-align: center;
+  width: 32px;
+  transform: translate(-50%, 0);
+}
+.zj-split-trigger-vertical {
+  width: 16px;
+  height: 100%;
+  background-color: #f2f4f9;
+  border-top: none;
+  border-bottom: none;
+  cursor: col-resize;
+}
+.zj-split-trigger-vertical .zj-split-trigger-bar {
+  width: 16px;
+}
+.zj-split-trigger-horizontal {
+  height: 16px;
+  width: 100%;
+  background-color: #f2f4f9;
+  border-left: none;
+  border-right: none;
+  cursor: row-resize;
+}
+.zj-split-trigger-horizontal .zj-split-trigger-bar {
+  width: 16px;
+  transform: rotate(90deg);
+  position: relative;
+  bottom: 8px;
+}
+.zj-split-horizontal > .zj-split-trigger-con {
+  top: 50%;
+  height: 100%;
+  width: 0;
+}
+.zj-split-vertical > .zj-split-trigger-con {
+  left: 50%;
+  height: 0;
+  width: 100%;
+}
+.zj-split .no-select {
+  -webkit-touch-callout: none;
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
+}
+</style>
diff --git a/src/components/SplitPane/triggerPane.vue b/src/components/SplitPane/triggerPane.vue
new file mode 100644
index 0000000..42c8d1a
--- /dev/null
+++ b/src/components/SplitPane/triggerPane.vue
@@ -0,0 +1,45 @@
+<template>
+  <div :class="classes">
+    <div :class="barConClasses">
+      <img
+        src="data:image/png;base64,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"
+        alt=""
+        :class="`${prefix}-bar`"
+      />
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'triggerPane',
+  props: {
+    mode: String
+  },
+  data() {
+    return {
+      prefix: 'zj-split-trigger',
+      initOffset: 0
+    }
+  },
+  computed: {
+    isVertical() {
+      return this.mode === 'vertical'
+    },
+    classes() {
+      return [
+        this.prefix,
+        this.isVertical
+          ? `${this.prefix}-vertical`
+          : `${this.prefix}-horizontal`
+      ]
+    },
+    barConClasses() {
+      return [
+        `${this.prefix}-bar-con`,
+        this.isVertical ? 'vertical' : 'horizontal'
+      ]
+    }
+  }
+}
+</script>
diff --git a/src/components/SplitPane/utils.js b/src/components/SplitPane/utils.js
new file mode 100644
index 0000000..febba2f
--- /dev/null
+++ b/src/components/SplitPane/utils.js
@@ -0,0 +1,45 @@
+import Vue from 'vue'
+const isServer = Vue.prototype.$isServer
+// 判断参数是否是其中之一
+export function oneOf(value, validList) {
+  for (let i = 0; i < validList.length; i++) {
+    if (value === validList[i]) {
+      return true
+    }
+  }
+  return false
+}
+
+/* istanbul ignore next */
+export const on = (function () {
+  if (!isServer && document.addEventListener) {
+    return function (element, event, handler, useCapture = false) {
+      if (element && event && handler) {
+        element.addEventListener(event, handler, useCapture)
+      }
+    }
+  } else {
+    return function (element, event, handler) {
+      if (element && event && handler) {
+        element.attachEvent('on' + event, handler)
+      }
+    }
+  }
+})()
+
+/* istanbul ignore next */
+export const off = (function () {
+  if (!isServer && document.removeEventListener) {
+    return function (element, event, handler, useCapture = false) {
+      if (element && event) {
+        element.removeEventListener(event, handler, useCapture)
+      }
+    }
+  } else {
+    return function (element, event, handler) {
+      if (element && event) {
+        element.detachEvent('on' + event, handler)
+      }
+    }
+  }
+})()