E_WeChat/components/Yl_Head2/index.js

Component({
  options: {
    addGlobalClass: true
  },
  lifetimes: {
    attached() {
      if (wx.getStorageSync('SearchHistory')) this.setData({
        history: wx.getStorageSync('SearchHistory')
      })
      getApp().globalData.Language.getLanguagePackage(this)
    }
  },
  properties: {
    active: {
      type: [Number, String],
      value: 0
    },
    tabs: {
      type: Array,
      value: [{
        title: "中止"
      }]
    },
    onChangeTab: {
      type: Function
    },
    onSearch: {
      type: Function
    },
    threshold: {
      type: [String, Number],
      value: 4
    }
  },
  data: {

  },
  methods: {
    onChange({
      detail
    }) {
      this.triggerEvent("onChangeTab", detail)
    },
    /* 开启关闭搜索 */
    clickSearch() {
      this.setData({
        startUsing: !this.data.startUsing
      });
      setTimeout(this.setListHeight, 400)
    },
    /* 搜索 */
    confirmSearch(e) {
      if (this.data.condition == e.detail.value) return;
      this.setData({
        condition: e.detail.value
      })
      this.triggerEvent("onSearch", e.detail.value)
    },
    /* 开始搜索 */
    startSearch({
      detail
    }) {
      if (this.data.condition == detail) return;
      this.setData({
        condition: detail
      })
      this.triggerEvent("onSearch", detail)
      if (this.data.record || detail == '') {
        let list = this.data.history;
        if (list.findIndex(v => v == detail) == -1) {
          list.push(detail)
          this.setData({
            history: list
          });
          wx.setStorageSync("SearchHistory", list)
        }
      }
    },
    /* 取消搜索 */
    endSearch() {
      this.setData({
        condition: ""
      })
      this.triggerEvent("onSearch", "")
    },
    /* 删除搜索历史 */
    deleteHistory(e) {
      let that = this;
      wx.showModal({
        cancelText: getApp().globalData.Language.getMapText('取消'),
        confirmText: getApp().globalData.Language.getMapText('确定'),
        title: getApp().globalData.Language.getMapText('提示'),
        content: getApp().globalData.Language.getMapText('是否删除所有搜索历史'),
        complete: ({
          confirm
        }) => {
          if (confirm) {
            wx.setStorageSync("SearchHistory", [])
            that.setData({
              history: []
            });
            this.setListHeight();
          }
        }
      })
    },
    /* 快速搜索 */
    clickTag(e) {
      const {
        name
      } = e.currentTarget.dataset;
      this.setData({
        condition: name
      });
      this.triggerEvent("onSearch", name)
    },
    /* 单独删除 */
    delteTag(e) {
      const {
        name
      } = e.currentTarget.dataset;
      this.setData({
        history: this.data.history.filter(v => v != name)
      });
      wx.setStorageSync('SearchHistory', this.data.history);
      this.setListHeight();
    },
    /* 设置列表高度 */
    setListHeight() {
      let pages = getCurrentPages()[getCurrentPages().length - 1].selectComponent("#ListBox");
      if (pages) pages.automaticSetHei();
    },
    /* 搜索框焦点 */
    onFocus() {
      this.setData({
        showHistory: true
      });
      setTimeout(this.setListHeight, 50);
    },
    /* 搜索框失焦 */
    onBlur() {
      this.setData({
        showHistory: false
      })
      setTimeout(this.setListHeight, 50);
    },
    clickFiltration() {
      let page = getCurrentPages()[getCurrentPages().length - 1].selectComponent("#Filtrate");
      if (page) {
        page.setData({
          show: true
        })
      } else {
        this.triggerEvent("onClick", item)
      }
    }
  }
})