sound-chain/uni_modules/uni-fab/components/uni-fab/uni-fab.vue

<template>
  <view class="uni-cursor-point">
    <view
      v-if="popMenu && (leftBottom || rightBottom || leftTop || rightTop) && content.length > 0"
      :class="{
        'uni-fab--leftBottom': leftBottom,
        'uni-fab--rightBottom': rightBottom,
        'uni-fab--leftTop': leftTop,
        'uni-fab--rightTop': rightTop,
      }"
      class="uni-fab"
    >
      <view
        :class="{
          'uni-fab__content--left': horizontal === 'left',
          'uni-fab__content--right': horizontal === 'right',
          'uni-fab__content--flexDirection': direction === 'vertical',
          'uni-fab__content--flexDirectionStart': flexDirectionStart,
          'uni-fab__content--flexDirectionEnd': flexDirectionEnd,
          'uni-fab__content--other-platform': !isAndroidNvue,
        }"
        :style="{ width: boxWidth, height: boxHeight }"
        class="uni-fab__content"
        elevation="5"
      >
        <view
          v-if="flexDirectionStart || horizontalLeft"
          class="uni-fab__item uni-fab__item--first"
        />
        <view
          v-for="(item, index) in content"
          :key="index"
          :class="{
            'uni-fab__item--active': isShow,
            'horizontal-margin': direction == 'horizontal',
          }"
          class="uni-fab__item"
          @click="_onItemClick(index, item)"
        >
          <image
            :src="item.active ? item.selectedIconPath : item.iconPath"
            class="uni-fab__item-image"
            mode="aspectFit"
          />
          <text
            class="uni-fab__item-text"
            :class="{ 'vertical-margin': direction == 'vertical' }"
            :style="{ color: pattern[index].color }"
            >{{ item.text }}</text
          >
        </view>
        <view
          v-if="flexDirectionEnd || horizontalRight"
          class="uni-fab__item uni-fab__item--first"
        />
      </view>
    </view>
    <view
      :class="{
        'uni-fab__circle--leftBottom': leftBottom,
        'uni-fab__circle--rightBottom': rightBottom,
        'uni-fab__circle--leftTop': leftTop,
        'uni-fab__circle--rightTop': rightTop,
        'uni-fab__content--other-platform': !isAndroidNvue,
      }"
      class="uni-fab__circle uni-fab__plus"
      :style="{ 'background-color': 'var(--ui-BG-Main)' }"
      @click="_onClick"
    >
      <uni-icons
        class="fab-circle-icon"
        type="plusempty"
        color="#fff"
        size="20"
        :class="{ 'uni-fab__plus--active': isShow && content.length > 0 }"
      ></uni-icons>
      <!-- <view class="fab-circle-v"  :class="{'uni-fab__plus--active': isShow && content.length > 0}"></view>
			<view class="fab-circle-h" :class="{'uni-fab__plus--active': isShow  && content.length > 0}"></view> -->
    </view>
  </view>
</template>

<script>
import sheep from '@/common';
let platform = 'other';
// #ifdef APP-NVUE
platform = uni.getDeviceInfo().platform;
// #endif

/**
 * Fab 悬浮按钮
 * @description 点击可展开一个图形按钮菜单
 * @tutorial https://ext.dcloud.net.cn/plugin?id=144
 * @property {Object} pattern 可选样式配置项
 * @property {Object} horizontal = [left | right] 水平对齐方式
 * 	@value left 左对齐
 * 	@value right 右对齐
 * @property {Object} vertical = [bottom | top] 垂直对齐方式
 * 	@value bottom 下对齐
 * 	@value top 上对齐
 * @property {Object} direction = [horizontal | vertical] 展开菜单显示方式
 * 	@value horizontal 水平显示
 * 	@value vertical 垂直显示
 * @property {Array} content 展开菜单内容配置项
 * @property {Boolean} popMenu 是否使用弹出菜单
 * @event {Function} trigger 展开菜单点击事件，返回点击信息
 * @event {Function} fabClick 悬浮按钮点击事件
 */
export default {
  name: 'UniFab',
  emits: ['fabClick', 'trigger'],
  props: {
    pattern: {
      type: Array,
      default() {
        return [];
      },
    },
    horizontal: {
      type: String,
      default: 'left',
    },
    vertical: {
      type: String,
      default: 'bottom',
    },
    direction: {
      type: String,
      default: 'horizontal',
    },
    content: {
      type: Array,
      default() {
        return [];
      },
    },
    show: {
      type: Boolean,
      default: false,
    },
    popMenu: {
      type: Boolean,
      default: true,
    },
  },
  data() {
    return {
      fabShow: false,
      isShow: false,
      isAndroidNvue: platform === 'android',
      styles: [
        {
          // color: '#3c3e49',
          // selectedColor: '#35E89A',
          // backgroundColor: '#fff',
          // buttonColor: '#35E89A',
          // iconColor: '#fff'
        },
      ],
    };
  },
  computed: {
    contentWidth(e) {
      return (this.content.length + 1) * 130 + 'rpx';
    },
    contentWidthMin() {
      return '100rpx';
    },
    // 动态计算宽度
    boxWidth() {
      return this.getPosition(3, 'horizontal');
    },
    // 动态计算高度
    boxHeight() {
      return this.getPosition(3, 'vertical');
    },
    // 计算左下位置
    leftBottom() {
      return this.getPosition(0, 'left', 'bottom');
    },
    // 计算右下位置
    rightBottom() {
      return this.getPosition(0, 'right', 'bottom');
    },
    // 计算左上位置
    leftTop() {
      return this.getPosition(0, 'left', 'top');
    },
    rightTop() {
      return this.getPosition(0, 'right', 'top');
    },
    flexDirectionStart() {
      return this.getPosition(1, 'vertical', 'top');
    },
    flexDirectionEnd() {
      return this.getPosition(1, 'vertical', 'bottom');
    },
    horizontalLeft() {
      return this.getPosition(2, 'horizontal', 'left');
    },
    horizontalRight() {
      return this.getPosition(2, 'horizontal', 'right');
    },
  },
  watch: {
    // pattern: {
    // 	handler(val, oldVal) {
    // 		this.styles = Object.assign({}, this.styles, val)
    // 	},
    // 	deep: true
    // }
  },
  created() {
    this.isShow = this.show;
    if (this.top === 0) {
      this.fabShow = true;
    }
    // 初始化样式
    // this.styles = Object.assign({}, this.styles, this.pattern)
  },
  methods: {
    _onClick() {
      this.$emit('fabClick');
      if (!this.popMenu) {
        return;
      }
      this.isShow = !this.isShow;
    },
    open() {
      this.isShow = true;
    },
    close() {
      this.isShow = false;
    },
    /**
     * 按钮点击事件
     */
    _onItemClick(index, item) {
      this.$emit('trigger', {
        index,
        item,
      });
    },
    /**
     * 获取 位置信息
     */
    getPosition(types, paramA, paramB) {
      if (types === 0) {
        return this.horizontal === paramA && this.vertical === paramB;
      } else if (types === 1) {
        return this.direction === paramA && this.vertical === paramB;
      } else if (types === 2) {
        return this.direction === paramA && this.horizontal === paramB;
      } else {
        return this.isShow && this.direction === paramA ? this.contentWidth : this.contentWidthMin;
      }
    },
  },
};
</script>

<style lang="scss" >
$uni-shadow-base: 0 1px 5px 2px
  rgba(
    $color: #000000,
    $alpha: 0.3,
  ) !default;

.horizontal-margin {
  margin-right: 20rpx;
}
.vertical-margin {
  margin-bottom: 20rpx;
}
.uni-fab {
  position: fixed;
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  justify-content: center;
  align-items: center;
  z-index: 12;
  border-radius: 45px;
  // box-shadow: $uni-shadow-base;
}

.uni-cursor-point {
  /* #ifdef H5 */
  cursor: pointer;
  /* #endif */
}

.uni-fab--active {
  opacity: 1;
}

.uni-fab--leftBottom {
  left: 15px;
  bottom: 30px;
  /* #ifdef H5 */
  left: calc(30px + var(--window-left));
  bottom: calc(60px + var(--window-bottom));
  /* #endif */
  // padding: 10px;
}

.uni-fab--leftTop {
  left: 15px;
  top: 30px;
  /* #ifdef H5 */
  left: calc(15px + var(--window-left));
  top: calc(30px + var(--window-top));
  /* #endif */
  // padding: 10px;
}

.uni-fab--rightBottom {
  right: 24rpx;
  bottom: calc(100rpx + env(safe-area-inset-bottom));
  /* #ifdef H5 */
  right: calc(24rpx + var(--window-right));
  bottom: calc(100rpx + var(--window-bottom));
  /* #endif */
  // padding: 10px;
}

.uni-fab--rightTop {
  right: 15px;
  top: 30px;
  /* #ifdef H5 */
  right: calc(15px + var(--window-right));
  top: calc(30px + var(--window-top));
  /* #endif */
  // padding: 10px;
}

.uni-fab__circle {
  position: fixed;
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  justify-content: center;
  align-items: center;
  width: 64rpx;
  height: 64rpx;
  background-color: #3c3e49;
  border-radius: 50%;
  z-index: 13;
  // box-shadow: $uni-shadow-base;
}

.uni-fab__circle--leftBottom {
  left: 15px;
  bottom: 30px;
  /* #ifdef H5 */
  left: calc(15px + var(--window-left));
  bottom: calc(30px + var(--window-bottom));
  /* #endif */
}

.uni-fab__circle--leftTop {
  left: 15px;
  top: 30px;
  /* #ifdef H5 */
  left: calc(15px + var(--window-left));
  top: calc(30px + var(--window-top));
  /* #endif */
}

.uni-fab__circle--rightBottom {
  right: 40rpx;
  bottom: calc(120rpx + env(safe-area-inset-bottom));
  /* #ifdef H5 */
  right: calc(40rpx + var(--window-right));
  bottom: calc(120rpx + var(--window-bottom));
  /* #endif */
}

.uni-fab__circle--rightTop {
  right: 15px;
  top: 30px;
  /* #ifdef H5 */
  right: calc(15px + var(--window-right));
  top: calc(30px + var(--window-top));
  /* #endif */
}

.uni-fab__circle--left {
  left: 0;
}

.uni-fab__circle--right {
  right: 0;
}

.uni-fab__circle--top {
  top: 0;
}

.uni-fab__circle--bottom {
  bottom: 0;
}

.uni-fab__plus {
  font-weight: bold;
}

// .fab-circle-v {
// 	position: absolute;
// 	width: 2px;
// 	height: 24px;
// 	left: 0;
// 	top: 0;
// 	right: 0;
// 	bottom: 0;
// 	/* #ifndef APP-NVUE */
// 	margin: auto;
// 	/* #endif */
// 	background-color: white;
// 	transform: rotate(0deg);
// 	transition: transform 0.3s;
// }

// .fab-circle-h {
// 	position: absolute;
// 	width: 24px;
// 	height: 2px;
// 	left: 0;
// 	top: 0;
// 	right: 0;
// 	bottom: 0;
// 	/* #ifndef APP-NVUE */
// 	margin: auto;
// 	/* #endif */
// 	background-color: white;
// 	transform: rotate(0deg);
// 	transition: transform 0.3s;
// }

.fab-circle-icon {
  transform: rotate(0deg);
  transition: transform 0.3s;
  font-weight: 200;
}

.uni-fab__plus--active {
  transform: rotate(135deg);
}

.uni-fab__content {
  /* #ifndef APP-NVUE */
  box-sizing: border-box;
  display: flex;
  /* #endif */
  flex-direction: row;
  border-radius: 55px;
  overflow: hidden;
  transition-property: width, height;
  transition-duration: 0.2s;
  width: 64rpx;
  border-color: #dddddd;
  border-width: 1rpx;
  border-style: solid;
}

.uni-fab__content--other-platform {
  border-width: 0px;
  // box-shadow: $uni-shadow-base;
}

.uni-fab__content--left {
  justify-content: flex-start;
}

.uni-fab__content--right {
  justify-content: flex-end;
}

.uni-fab__content--flexDirection {
  flex-direction: column;
  justify-content: flex-end;
}

.uni-fab__content--flexDirectionStart {
  flex-direction: column;
  justify-content: flex-start;
}

.uni-fab__content--flexDirectionEnd {
  flex-direction: column;
  justify-content: flex-end;
}

.uni-fab__item {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100rpx;
  // height: 84rpx;
  opacity: 0;
  transition: opacity 0.2s;
}

.uni-fab__item--active {
  opacity: 1;
}

.uni-fab__item-image {
  width: 52rpx;
  height: 52rpx;
}

.uni-fab__item-text {
  color: #ffffff;
  display: table;
  font-size: 24rpx;
  margin-top: 4px;
}

.uni-fab__item--first {
  width: 100rpx;
  height: 100rpx;
  margin-bottom: 0 !important;
}
</style>