quanyawei
2024-01-10 e13367edf304cb78f978e321f1679299a66b3a23
uni_modules/uview-ui/components/u-steps-item/u-steps-item.vue
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<template>
   <view class="u-steps-item" ref="u-steps-item" :class="[`u-steps-item--${parentData.direction}`]">
      <view class="u-steps-item__line" v-if="index + 1 < childLength"
         :class="[`u-steps-item__line--${parentData.direction}`]" :style="[lineStyle]"></view>
      <view class="u-steps-item__wrapper"
         :class="[`u-steps-item__wrapper--${parentData.direction}`, parentData.dot && `u-steps-item__wrapper--${parentData.direction}--dot`]">
         <slot name="icon">
            <view class="u-steps-item__wrapper__dot" v-if="parentData.dot" :style="{
                  backgroundColor: statusColor
               }">
            </view>
            <view class="u-steps-item__wrapper__icon" v-else-if="parentData.activeIcon || parentData.inactiveIcon">
               <u-icon :name="index <= parentData.current ? parentData.activeIcon : parentData.inactiveIcon"
                  :size="iconSize"
                  :color="index <= parentData.current ? parentData.activeColor : parentData.inactiveColor">
               </u-icon>
            </view>
            <view v-else :style="{
                  backgroundColor: statusClass === 'process' ? parentData.activeColor : 'transparent',
                  borderColor: statusColor
               }" class="u-steps-item__wrapper__circle">
               <text v-if="statusClass === 'process' || statusClass === 'wait'"
                  class="u-steps-item__wrapper__circle__text" :style="{
                     color: index == parentData.current ? '#ffffff' : parentData.inactiveColor
                  }">{{ index + 1}}</text>
               <u-icon v-else :color="statusClass === 'error' ? 'error' : parentData.activeColor" size="12"
                  :name="statusClass === 'error' ? 'close' : 'checkmark'"></u-icon>
            </view>
         </slot>
      </view>
      <view class="u-steps-item__content" :class="[`u-steps-item__content--${parentData.direction}`]"
         :style="[contentStyle]">
         <u--text :text="title" :type="parentData.current == index ? 'main' : 'content'" lineHeight="20px"
            :size="parentData.current == index ? 14 : 13"></u--text>
         <slot name="desc">
            <u--text :text="desc" type="tips" size="12"></u--text>
         </slot>
      </view>
      <!-- <view
          class="u-steps-item__line"
          v-if="showLine && parentData.direction === 'column'"
         :class="[`u-steps-item__line--${parentData.direction}`]"
          :style="[lineStyle]"
      ></view> -->
   </view>
</template>
<script>
   import props from './props.js';
   // #ifdef APP-NVUE
   const dom = uni.requireNativePlugin('dom')
   // #endif
   /**
    * StepsItem 步骤条的子组件
    * @description 本组件需要和u-steps配合使用
    * @tutorial https://uviewui.com/components/steps.html
    * @property {String}         title         标题文字
    * @property {String}         current         描述文本
    * @property {String | Number}   iconSize      图标大小  (默认 17 )
    * @property {Boolean}         error         当前步骤是否处于失败状态  (默认 false )
    * @example <u-steps current="0"><u-steps-item title="已出库" desc="10:35" ></u-steps-item></u-steps>
    */
   export default {
      name: 'u-steps-item',
      mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
      data() {
         return {
            index: 0,
            childLength: 0,
            showLine: false,
            size: {
               height: 0,
               width: 0
            },
            parentData: {
               direction: 'row',
               current: 0,
               activeColor: '',
               inactiveColor: '',
               activeIcon: '',
               inactiveIcon: '',
               dot: false
            }
         }
      },
      watch: {
         'parentData'(newValue, oldValue) {
         }
      },
      created() {
         this.init()
      },
      computed: {
         lineStyle() {
            const style = {}
            if (this.parentData.direction === 'row') {
               style.width = this.size.width + 'px'
               style.left = this.size.width / 2 + 'px'
            } else {
               style.height = this.size.height + 'px'
               // style.top = this.size.height / 2 + 'px'
            }
            style.backgroundColor = this.parent.children?.[this.index + 1]?.error ? uni.$u.color.error : this.index <
               this
               .parentData
               .current ? this.parentData.activeColor : this.parentData.inactiveColor
            return style
         },
         statusClass() {
            const {
               index,
               error
            } = this
            const {
               current
            } = this.parentData
            if (current == index) {
               return error === true ? 'error' : 'process'
            } else if (error) {
               return 'error'
            } else if (current > index) {
               return 'finish'
            } else {
               return 'wait'
            }
         },
         statusColor() {
            let color = ''
            switch (this.statusClass) {
               case 'finish':
                  color = this.parentData.activeColor
                  break
               case 'error':
                  color = uni.$u.color.error
                  break
               case 'process':
                  color = this.parentData.dot ? this.parentData.activeColor : 'transparent'
                  break
               default:
                  color = this.parentData.inactiveColor
                  break
            }
            return color
         },
         contentStyle() {
            const style = {}
            if (this.parentData.direction === 'column') {
               style.marginLeft = this.parentData.dot ? '2px' : '6px'
               style.marginTop = this.parentData.dot ? '0px' : '6px'
            } else {
               style.marginTop = this.parentData.dot ? '2px' : '6px'
               style.marginLeft = this.parentData.dot ? '2px' : '6px'
            }
            return style
         }
      },
      mounted() {
         this.parent && this.parent.updateFromChild()
         uni.$u.sleep().then(() => {
            this.getStepsItemRect()
         })
      },
      methods: {
         init() {
            // 初始化数据
            this.updateParentData()
            if (!this.parent) {
               return uni.$u.error('u-steps-item必须要搭配u-steps组件使用')
            }
            this.index = this.parent.children.indexOf(this)
            this.childLength = this.parent.children.length
         },
         updateParentData() {
            // 此方法在mixin中
            this.getParentData('u-steps')
         },
         // 父组件数据发生变化
         updateFromParent() {
            this.init()
         },
         // 获取组件的尺寸,用于设置横线的位置
         getStepsItemRect() {
            // #ifndef APP-NVUE
            this.$uGetRect('.u-steps-item').then(size => {
               this.size = size
            })
            // #endif
            // #ifdef APP-NVUE
            dom.getComponentRect(this.$refs['u-steps-item'], res => {
               const {
                  size
               } = res
               this.size = size
            })
            // #endif
         }
      }
   }
</script>
<style lang="scss" scoped>
   @import "../../libs/css/components.scss";
   .u-steps-item {
      flex: 1;
      @include flex;
      &--row {
         flex-direction: column;
         align-items: center;
         position: relative;
      }
      &--column {
         position: relative;
         flex-direction: row;
         justify-content: flex-start;
         padding-bottom: 5px;
      }
      &__wrapper {
         @include flex;
         justify-content: center;
         align-items: center;
         position: relative;
         background-color: #fff;
         &--column {
            width: 20px;
            height: 32px;
            &--dot {
               height: 20px;
               width: 20px;
            }
         }
         &--row {
            width: 32px;
            height: 20px;
            &--dot {
               width: 20px;
               height: 20px;
            }
         }
         &__circle {
            width: 20px;
            height: 20px;
            /* #ifndef APP-NVUE */
            box-sizing: border-box;
            flex-shrink: 0;
            /* #endif */
            border-radius: 100px;
            border-width: 1px;
            border-color: $u-tips-color;
            border-style: solid;
            @include flex(row);
            align-items: center;
            justify-content: center;
            transition: background-color 0.3s;
            &__text {
               color: $u-tips-color;
               font-size: 11px;
               @include flex(row);
               align-items: center;
               justify-content: center;
               text-align: center;
               line-height: 11px;
            }
         }
         &__dot {
            width: 10px;
            height: 10px;
            border-radius: 100px;
            background-color: $u-content-color;
         }
      }
      &__content {
         @include flex;
         flex: 1;
         &--row {
            flex-direction: column;
            align-items: center;
         }
         &--column {
            flex-direction: column;
            margin-left: 6px;
         }
      }
      &__line {
         position: absolute;
         background: $u-tips-color;
         &--row {
            top: 10px;
            height: 1px;
         }
         &--column {
            width: 1px;
            left: 10px;
         }
      }
   }
</style>