From 11209b0ada14d823faefafb37d2025417f6b756a Mon Sep 17 00:00:00 2001
From: "zhigang.li" <lison16new@163.com>
Date: Fri, 21 Dec 2018 13:32:47 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=8F=AF=E6=8B=96=E5=8A=A8?=
 =?UTF-8?q?=E6=8A=BD=E5=B1=89=E7=BB=84=E4=BB=B6drag-drawer?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../drag-drawer/drag-drawer-trigger.vue       |  18 ++
 src/components/drag-drawer/drag-drawer.vue    | 156 ++++++++++++++++++
 src/components/drag-drawer/index.js           |   2 +
 src/components/drag-drawer/index.less         |  70 ++++++++
 src/components/drag-drawer/mixin.js           |   7 +
 src/libs/render-dom.js                        |  10 ++
 src/locale/lang/en-US.js                      |   3 +-
 src/locale/lang/zh-CN.js                      |   3 +-
 src/locale/lang/zh-TW.js                      |   3 +-
 src/router/routers.js                         |   9 +
 src/view/components/drag-drawer/index.vue     |  97 +++++++++++
 11 files changed, 375 insertions(+), 3 deletions(-)
 create mode 100644 src/components/drag-drawer/drag-drawer-trigger.vue
 create mode 100644 src/components/drag-drawer/drag-drawer.vue
 create mode 100644 src/components/drag-drawer/index.js
 create mode 100644 src/components/drag-drawer/index.less
 create mode 100644 src/components/drag-drawer/mixin.js
 create mode 100644 src/libs/render-dom.js
 create mode 100644 src/view/components/drag-drawer/index.vue

diff --git a/src/components/drag-drawer/drag-drawer-trigger.vue b/src/components/drag-drawer/drag-drawer-trigger.vue
new file mode 100644
index 000000000..5205b07f5
--- /dev/null
+++ b/src/components/drag-drawer/drag-drawer-trigger.vue
@@ -0,0 +1,18 @@
+<template>
+  <div :class="`${prefix}-move-trigger`">
+    <div :class="`${prefix}-move-trigger-point`">
+      <i></i><i></i><i></i><i></i><i></i>
+    </div>
+  </div>
+</template>
+
+<script>
+import Mixin from './mixin'
+export default {
+  name: 'DragDrawerTrigger',
+  mixins: [Mixin]
+}
+</script>
+
+<style>
+</style>
diff --git a/src/components/drag-drawer/drag-drawer.vue b/src/components/drag-drawer/drag-drawer.vue
new file mode 100644
index 000000000..6611b3c96
--- /dev/null
+++ b/src/components/drag-drawer/drag-drawer.vue
@@ -0,0 +1,156 @@
+<template>
+  <Drawer ref="drawerWrapper"
+          :value="value"
+          @input="handleInput"
+          :width="width"
+          :class-name="outerClasses"
+          v-bind="$attrs"
+          v-on="$listeners">
+    <!-- 所有插槽内容显示在这里 ↓ -->
+
+    <template v-for="(slots, slotsName) in $slots">
+      <template v-if="slotsName !== 'default'">
+        <render-dom v-for="(render, index) in slots"
+                    :key="`b_drawer_${slotsName}_${index}`"
+                    :render="() => render"
+                    :slot="slotsName">
+        </render-dom>
+      </template>
+      <template v-else>
+        <div :class="`${prefix}-body-wrapper`"
+             :key="`b_drawer_${slotsName}`">
+          <render-dom v-for="(render, index) in slots"
+                      :key="`b_drawer_${slotsName}_${index}`"
+                      :render="() => render"
+                      :slot="slotsName">
+          </render-dom>
+        </div>
+      </template>
+    </template>
+    <!-- 所有插槽内容显示在这里 ↑ -->
+    <div v-if="draggable"
+         :style="triggerStyle"
+         :class="`${prefix}-trigger-wrapper`"
+         @mousedown="handleTriggerMousedown">
+      <slot name="trigger">
+        <drag-drawer-trigger></drag-drawer-trigger>
+      </slot>
+    </div>
+    <div v-if="$slots.footer"
+         :class="`${prefix}-footer`">
+      <slot name="footer"></slot>
+    </div>
+  </Drawer>
+</template>
+
+<script>
+import RenderDom from '@/libs/render-dom'
+import DragDrawerTrigger from './drag-drawer-trigger.vue'
+import Mixin from './mixin'
+import { on, off } from '@/libs/tools'
+import './index.less'
+export default {
+  name: 'BDrawer',
+  components: {
+    RenderDom,
+    DragDrawerTrigger
+  },
+  mixins: [Mixin],
+  props: {
+    value: {
+      type: Boolean,
+      default: false
+    },
+    width: {
+      type: [String, Number],
+      default: 256
+    },
+    // 是否可拖动修改宽度
+    draggable: {
+      type: Boolean,
+      default: false
+    },
+    // 最小拖动宽度
+    minWidth: {
+      type: [String, Number],
+      default: 256
+    }
+  },
+  data () {
+    return {
+      canMove: false,
+      wrapperWidth: 0,
+      wrapperLeft: 0
+    }
+  },
+  computed: {
+    outerClasses () {
+      const classesArray = [
+        `${this.prefix}-wrapper`,
+        this.canMove ? 'no-select pointer-events-none' : ''
+      ]
+      return classesArray.join(' ')
+    },
+    placement () {
+      return this.$attrs.placement
+    },
+    innerWidth () {
+      const width = this.width
+      return width <= 100 ? (this.wrapperWidth * width) / 100 : width
+    },
+    triggerStyle () {
+      return {
+        [this.placement]: `${this.innerWidth}px`,
+        position: this.$attrs.inner ? 'absolute' : 'fixed'
+      }
+    }
+  },
+  methods: {
+    handleInput (status) {
+      this.$emit('input', status)
+    },
+    handleTriggerMousedown (event) {
+      this.canMove = true
+      this.$emit('on-resize-start')
+      // 防止鼠标选中抽屉中文字，造成拖动trigger触发浏览器原生拖动行为
+      window.getSelection().removeAllRanges()
+    },
+    handleMousemove (event) {
+      if (!this.canMove) return
+      // 更新容器宽度和距离左侧页面距离，如果是window则距左侧距离为0
+      this.setWrapperWidth()
+      const left = event.pageX - this.wrapperLeft
+      // 如果抽屉方向为右边，宽度计算需用容器宽度减去left
+      let width = this.placement === 'right' ? this.wrapperWidth - left : left
+      // 限定做小宽度
+      width = Math.max(width, parseFloat(this.minWidth))
+      event.atMin = width === parseFloat(this.minWidth)
+      // 如果当前width不大于100，视为百分比
+      if (width <= 100) width = (width / this.wrapperWidth) * 100
+      this.$emit('update:width', parseInt(width))
+      this.$emit('on-resize', event)
+    },
+    handleMouseup (event) {
+      this.canMove = false
+      this.$emit('on-resize-end')
+    },
+    setWrapperWidth () {
+      const {
+        width,
+        left
+      } = this.$refs.drawerWrapper.$el.getBoundingClientRect()
+      this.wrapperWidth = width
+      this.wrapperLeft = left
+    }
+  },
+  mounted () {
+    on(document, 'mousemove', this.handleMousemove)
+    on(document, 'mouseup', this.handleMouseup)
+    this.setWrapperWidth()
+  },
+  beforeDestroy () {
+    off(document, 'mousemove', this.handleMousemove)
+    off(document, 'mouseup', this.handleMouseup)
+  }
+}
+</script>
diff --git a/src/components/drag-drawer/index.js b/src/components/drag-drawer/index.js
new file mode 100644
index 000000000..3d79d834a
--- /dev/null
+++ b/src/components/drag-drawer/index.js
@@ -0,0 +1,2 @@
+import DragDrawer from './drag-drawer.vue'
+export default DragDrawer
diff --git a/src/components/drag-drawer/index.less b/src/components/drag-drawer/index.less
new file mode 100644
index 000000000..3282b4a23
--- /dev/null
+++ b/src/components/drag-drawer/index.less
@@ -0,0 +1,70 @@
+@prefix: ~"drag-drawer";
+@drag-drawer-trigger-height: 100px;
+@drag-drawer-trigger-width: 8px;
+
+.@{prefix}-wrapper{
+  &.no-select{
+    user-select: none;
+  }
+  &.pointer-events-none{
+    pointer-events: none;
+    & .@{prefix}-trigger-wrapper{
+      pointer-events: all;
+    }
+  }
+  .ivu-drawer{
+    &-header{
+      overflow: hidden !important;
+      box-sizing: border-box;
+    }
+    &-body{
+      padding: 0;
+      overflow: visible;
+      position: static;
+      display: flex;
+      flex-direction: column;
+    }
+  }
+  .@{prefix}-body-wrapper{
+    width: 100%;
+    height: 100%;
+    padding: 16px;
+    overflow: auto;
+  }
+  .@{prefix}-trigger-wrapper{
+    top: 0;
+    height: 100%;
+    width: 0;
+    .@{prefix}-move-trigger{
+      position: absolute;
+      top: 50%;
+      height: @drag-drawer-trigger-height;
+      width: @drag-drawer-trigger-width;
+      background: rgb(243, 243, 243);
+      transform: translate(-50%, -50%);
+      border-radius: ~"4px / 6px";
+      box-shadow: 0 0 1px 1px rgba(0, 0, 0, .2);
+      line-height: @drag-drawer-trigger-height;
+      cursor: col-resize;
+      &-point{
+        display: inline-block;
+        width: 50%;
+        transform: translateX(50%);
+        i{
+          display: block;
+          border-bottom: 1px solid rgb(192, 192, 192);
+          padding-bottom: 2px;
+        }
+      }
+    }
+  }
+  .@{prefix}-footer{
+    flex-grow: 1;
+    width: 100%;
+    bottom: 0;
+    left: 0;
+    border-top: 1px solid #e8e8e8;
+    padding: 10px 16px;
+    background: #fff;
+  }
+}
diff --git a/src/components/drag-drawer/mixin.js b/src/components/drag-drawer/mixin.js
new file mode 100644
index 000000000..8a0172318
--- /dev/null
+++ b/src/components/drag-drawer/mixin.js
@@ -0,0 +1,7 @@
+export default {
+  data () {
+    return {
+      prefix: 'drag-drawer'
+    }
+  }
+}
diff --git a/src/libs/render-dom.js b/src/libs/render-dom.js
new file mode 100644
index 000000000..6b4a2c036
--- /dev/null
+++ b/src/libs/render-dom.js
@@ -0,0 +1,10 @@
+export default {
+  name: 'RenderDom',
+  functional: true,
+  props: {
+    render: Function
+  },
+  render: (h, ctx) => {
+    return ctx.props.render(h)
+  }
+}
diff --git a/src/locale/lang/en-US.js b/src/locale/lang/en-US.js
index c6a0aa1cc..0a3498de4 100644
--- a/src/locale/lang/en-US.js
+++ b/src/locale/lang/en-US.js
@@ -39,5 +39,6 @@ export default {
   cropper_page: 'Cropper',
   message_page: 'Message Center',
   tree_table_page: 'Tree Table',
-  org_tree_page: 'Org Tree'
+  org_tree_page: 'Org Tree',
+  drag_drawer_page: 'Draggable Drawer'
 }
diff --git a/src/locale/lang/zh-CN.js b/src/locale/lang/zh-CN.js
index e6a9079bb..9626230b7 100644
--- a/src/locale/lang/zh-CN.js
+++ b/src/locale/lang/zh-CN.js
@@ -39,5 +39,6 @@ export default {
   cropper_page: '图片裁剪',
   message_page: '消息中心',
   tree_table_page: '树状表格',
-  org_tree_page: '组织结构树'
+  org_tree_page: '组织结构树',
+  drag_drawer_page: '可拖动抽屉'
 }
diff --git a/src/locale/lang/zh-TW.js b/src/locale/lang/zh-TW.js
index 70386743c..23bffb98c 100644
--- a/src/locale/lang/zh-TW.js
+++ b/src/locale/lang/zh-TW.js
@@ -39,5 +39,6 @@ export default {
   cropper_page: '圖片裁剪',
   message_page: '消息中心',
   tree_table_page: '樹狀表格',
-  org_tree_page: '組織結構樹'
+  org_tree_page: '組織結構樹',
+  drag_drawer_page: '可拖動抽屜'
 }
diff --git a/src/router/routers.js b/src/router/routers.js
index 325a74930..00ec60434 100644
--- a/src/router/routers.js
+++ b/src/router/routers.js
@@ -125,6 +125,15 @@ export default [
         },
         component: () => import('@/view/components/drag-list/drag-list.vue')
       },
+      {
+        path: 'drag_drawer_page',
+        name: 'drag_drawer_page',
+        meta: {
+          icon: 'md-list',
+          title: '可拖拽抽屉'
+        },
+        component: () => import('@/view/components/drag-drawer')
+      },
       {
         path: 'org_tree_page',
         name: 'org_tree_page',
diff --git a/src/view/components/drag-drawer/index.vue b/src/view/components/drag-drawer/index.vue
new file mode 100644
index 000000000..de9008ab1
--- /dev/null
+++ b/src/view/components/drag-drawer/index.vue
@@ -0,0 +1,97 @@
+<template>
+  <Card>
+    <h3 style="padding: 10px 0;">drag-drawer组件是对iview的drawer组件的封装，在支持drawer所有api的基础上，支持可拖动和footer底部插槽</h3>
+    <div style="padding: 10px 0">
+      <b>
+        方向
+        <i-switch v-model="placement">
+          <span slot="open">左</span>
+          <span slot="close">右</span>
+        </i-switch>
+      </b>
+      <b>
+        是否可拖动
+        <i-switch v-model="draggable"></i-switch>
+      </b>
+      <Button @click="showContainerBDrawer = !showContainerBDrawer" type="primary" style="margin-left: 10px">{{ showContainerBDrawer ? '关闭' : '打开' }}容器内抽屉</Button>
+      <Button @click="showWindowBDrawer = true" type="primary" style="margin-left: 10px">打开全屏抽屉</Button>
+    </div>
+    <div class="drag-drawer-inner-box">
+      <drag-drawer v-model="showContainerBDrawer"
+        :width.sync="width2"
+        min-width="30px"
+        :inner="true"
+        :transfer="false"
+        :placement="placementComputed"
+        :draggable="draggable"
+        @on-resize="handleResize"
+        :scrollable="true">
+        <div slot="header">
+          <Icon type="md-aperture" :size="18"></Icon>
+          <b>这是标题</b>
+        </div>
+        <p v-for="n in 200" :key="n">{{ n }}</p>
+        <div slot="footer">
+          <p>123123</p>
+          <p>21312</p>
+        </div>
+      </drag-drawer>
+    </div>
+    <drag-drawer v-model="showWindowBDrawer"
+      :width.sync="width1"
+      :min-width="300"
+      :placement="placementComputed"
+      :draggable="draggable"
+      :scrollable="true">
+      <div slot="header">
+        <Icon type="md-aperture" :size="18"></Icon>
+        <b>这是标题</b>
+      </div>
+      <Button @click="showBDrawer3 = true">显示多层</Button>
+      <p v-for="n in 200" :key="n">{{ n }}</p>
+    </drag-drawer>
+  </Card>
+</template>
+
+<script>
+import DragDrawer from '_c/drag-drawer'
+export default {
+  name: 'drag_drawer_page',
+  components: {
+    DragDrawer
+  },
+  data () {
+    return {
+      showWindowBDrawer: false,
+      showContainerBDrawer: false,
+      showBDrawer3: false,
+      width1: 300,
+      width2: 200,
+      placement: false,
+      draggable: true
+    }
+  },
+  computed: {
+    placementComputed () {
+      return this.placement ? 'left' : 'right'
+    }
+  },
+  methods: {
+    handleResize (event) {
+      const { atMin } = event
+      /* eslint-disable */
+      console.log(atMin);
+    },
+  }
+}
+</script>
+
+<style lang="less">
+.drag-drawer-inner-box{
+  position: relative;
+  width: 500px;
+  height: 400px;
+  background: pink;
+  border: 1px solid pink;
+}
+</style>