ElementUI 实现图标选择器

电玩女神 2022-02-05 03:59 1317阅读 0赞

![在这里插入图片描述][20190504195150761.gif]

<template>
      <el-popover placement="bottom-start" popper-class="pupop-select-icon" transition="el-zoom-in-top" trigger="click" v-model="popoverVisible" :disabled="disabledSelected">
        
        <el-scrollbar v-if="popoverVisible" class="hide-x" :native="false" :noresize="false">
          
          <div class="icon-item" v-for="item in options" :key="item" :class="{ 'is-active': isActive(item) }" @click="onClickSelected(item)">
            <i :class="item"></i>
          </div>
        </el-scrollbar>
        
        <template slot="reference">
          <div :class="{ 'mod-select-icon': 1, 'is-opened': popoverVisible, 'is-active': value, 'is-disabled': disabledSelected }">
            
            <div class="icon-item">
              <i :class="value || 'el-icon-plus'"></i>
            </div>
            
            <div v-show="value" class="btn-clear">
              <i class="el-icon-close" @click.stop="onClickClear()"></i>
            </div>
          </div>
        </template>
      </el-popover>
    </template>
    
    <script> export default { name: 'SelectIcon', // 设置绑定参数 model: { prop: 'value', event: 'selected', }, props: { disabled: Boolean, // 接收绑定参数 - 图标类名 value: { type: String, required: true, }, // 选项数据，图标类名数组 options: { type: Array, default: () => ([]), }, }, computed: { disabledSelected() { if (this.disabled) return true; return this.$parent.form ? this.$parent.form.disabled : false; }, }, data() { return { // 弹出框显示状态 popoverVisible: false, }; }, methods: { // 是否为当前已选项 isActive(item) { return this.value === item; }, // 选中图标 onClickSelected(item) { this.$emit('selected', item); this.popoverVisible = false; }, // 清空选项 onClickClear() { this.$emit('selected', ''); }, }, }; </script>
    
    <style lang="sass"> .mod-select-icon { $size: 40px; // 图标项大小 $col-count: 8; // 多少列 $row-count: 4; // 多少行 $scope: 5px; // 间隔 position: relative; display: inline-block; width: $size + 2px; height: $size + 2px; border: 1px dashed $--border-color-base; border-radius: 5px; text-align: center; cursor: pointer; outline: none; // 菜单打开状态 &.is-opened, &:hover { border-color: $--color-primary; } // 禁用状态 &.is-disabled:hover { border-color: $--border-color-base !important; } &.is-disabled, &.is-disabled > .icon-item, &.is-disabled > .btn-clear { @extend .z-not-allowed; background-color: $--background-color-base; } // 已选状态 &.is-active { border-style: solid; border-radius: 0; > .icon-item { width: $size; height: $size; line-height: $size; padding: $scope; text-align: center; cursor: pointer; > i { display: block; width: 100%; height: 100%; line-height: $size - ($scope * 2); color: $--color-white; background-color: $--color-primary; } } } > .icon-item > i { font-size: 16px; } > .icon-item > i.el-icon-plus { width: 100%; line-height: $size; font-size: ($size / 2); font-weight: bold; color: $--color-info; cursor: inherit; } // 清空按钮 .btn-clear { width: 0; height: 0; border-width: ($size / 2) 0 0 ($size / 2); border-style: solid; border-color: $--color-danger transparent transparent transparent; position: absolute; top: 0; right: 0; cursor: pointer; > i.el-icon-close { position: absolute; top: -($size / 2); right: 0; color: $--color-white; font-size: .7em; &:hover { color: darken($--color-white, 5%); } } } // 弹出内容 @at-root .el-popover.el-popper.pupop-select-icon { display: block; padding: 0; width: ($size + $scope * 2) * $col-count + 2px; height: ($size + $scope * 2) * $row-count; > .el-scrollbar { height: 100%; } .el-scrollbar__view { @extend .fn-clear; } .icon-item { float: left; width: $size; height: $size; line-height: $size; margin: $scope; padding: $scope; text-align: center; cursor: pointer; &:hover { background-color: $--color-info-light; } &.is-active { background-color: $--color-success-light; border: 1px solid $--color-success; } > i { display: block; width: 100%; height: 100%; font-size: 16px; line-height: $size - ($scope * 2); color: $--color-white; background-color: $--color-primary; } } } } </style>

[20190504195150761.gif]: /images/20220205/ff615053d056446bafaa446e20134554.png