get-current-pages.uvue

<template>
  <!-- #ifdef APP -->
  <scroll-view class="page-scroll-view">
  <!-- #endif -->
    <view>
      <page-head title="getCurrentPages"></page-head>
      <view class="uni-padding-wrap">
        <button @click="_getCurrentPages">getCurrentPages</button>
        <view v-if="pages.length" style="padding: 15px 0px">
          <text>当前页面栈中 {{ pages.length }} 个页面，列表如下：</text>
          <template v-for="(page, index) in pages" :key="page.route">
            <text style="margin-top: 5px">index: {{ index }}, route: {{ page.route }}</text>
          </template>
        </view>
        <button class="uni-common-mt" @click="check$page">check $page</button>
        <button class="uni-common-mt" @click="checkEventBus">check eventBus</button>
        <button class="uni-common-mt" @click="checkGetParentPage">check getParentPage</button>
        <button class="uni-common-mt" @click="checkGetDialogPages">check getDialogPages</button>
        <button id="check-get-element-by-id-btn" class="uni-common-mt" @click="checkGetElementById">check
          getElementById</button>
        <button class="uni-common-mt" @click="checkGetAndroidView">check getAndroidView</button>
      </view>


      <page-head title="currentPageStyle"></page-head>
      <template v-for="(item, index) in PageStyleArray">
        <view class="page-style-item" v-if="currentPageStyle[item.key]!=null" :key="index">
          <view class="item-text">
            <text class="item-text-key">{{item.key}}:</text>
            <text class="item-text-value">{{currentPageStyle[item.key]}}</text>
          </view>
          <view class="set-value" v-if="item.type == 'boolean'">
            <switch :checked="currentPageStyle.getBoolean(item.key)"
              @change="switchChange(item.key, $event as UniSwitchChangeEvent)">
            </switch>
          </view>
          <view class="set-value" v-else-if="item.type == 'number'">
            <slider :value="currentPageStyle.getNumber(item.key)" :show-value="true"
              @change="sliderChange(item.key, $event as UniSliderChangeEvent)" />
          </view>
          <view class="set-value" v-else-if="item.type == 'string'">
            <radio-group class="radio-set-value" @change="radioChange(item.key, $event as RadioGroupChangeEvent)">
              <radio class="radio-value" v-for="(item2, index2) in item.value" :key="index2" :value="item2">{{item2}}
              </radio>
            </radio-group>
          </view>
        </view>
      </template>
      <button style='margin: 10px;' @click="goSetDisablePullDownRefresh">go set disable pullDownRefresh</button>
    </view>
  <!-- #ifdef APP -->
  </scroll-view>
  <!-- #endif -->
</template>

<script>
  import { PageStyleItem, PageStyleArray } from './page-style.uts';

  class Page {
    constructor(public route : string) {
    }
  }

  export default {
    data() {
      return {
        checked: false,
        pages: [] as Page[],
        PageStyleArray: PageStyleArray as PageStyleItem[],
        currentPageStyle: {} as UTSJSONObject,
        testing: false
      }
    },
    computed: {
      pageStyleText() : string {
        return JSON.stringify(this.currentPageStyle)
      }
    },
    onLoad() {
      this.getPageStyle();
    },
    onPullDownRefresh() {
      setTimeout(() => {
        uni.stopPullDownRefresh()
      }, 2000)
    },
    methods: {
      startPullDownRefresh() {
        uni.startPullDownRefresh()
      },
      _getCurrentPages: function () {
        this.pages.length = 0
        const pages = getCurrentPages()
        this.pages.push(new Page(pages[0].route))
        if (this.pages[0].route.includes('/tabBar/')) {
          this.checked = true
        }
        for (let i = 1; i < pages.length; i++) {
          this.pages.push(new Page(pages[i].route))
          if (pages[i].route.includes('/tabBar/')) {
            this.checked = false
          }
        }
      },
      /// get-set-page-style
      radioChange(key : string, e : RadioGroupChangeEvent) {
        this.setStyleValue(key, e.detail.value);
      },
      sliderChange(key : string, e : UniSliderChangeEvent) {
        this.setStyleValue(key, e.detail.value);
      },
      switchChange(key : string, e : UniSwitchChangeEvent) {
        this.setStyleValue(key, e.detail.value);
      },
      setStyleValue(key : string, value : any) {
        const style = {}
        style[key] = value
        this.setPageStyle(style)
        this.getPageStyle()
      },
      getPageStyle() : UTSJSONObject {
        const pages = getCurrentPages();
        const currentPage = pages[pages.length - 1];
        this.currentPageStyle = currentPage.getPageStyle()
        return this.currentPageStyle;
      },
      setPageStyle(style : UTSJSONObject) {
        console.log('setPageStyle:', style);
        const pages = getCurrentPages();
        const currentPage = pages[pages.length - 1];
        currentPage.setPageStyle(style);
      },
      goSetDisablePullDownRefresh() {
        uni.navigateTo({
          url: '/pages/API/get-current-pages/set-page-style-disable-pull-down-refresh'
        });
      },
      getCurrentPage() : UniPage {
        const pages = getCurrentPages()
        return pages[pages.length - 1]
      },
      check$page() : boolean {
        const page = this.getCurrentPage()
        let res = this.$page === page
        if(this.testing){
          res = res && page.options.get('test') == '123' && page.route == 'pages/API/get-current-pages/get-current-pages'
        }
        console.log('check $page', res)
        return res
      },
      checkEventBus() : boolean {
        const page = this.getCurrentPage()
        let num = 0
        const fn1 = (args : any | null) => {
          console.log('fn1 triggred', args)
          num++
        }
        const fn2 = (args : any | null) => {
          console.log('fn2 triggred', args)
          num++
        }
        const fn3 = (args : any | null) => {
          console.log('fn3 triggred', args)
          num++
        }

        page.on('fn12', fn1)
        page.on('fn12', fn2)
        page.once('fn3', fn3)

        page.emit('fn12', { name: 'name' })
        page.emit('fn12', { age: 20 })
        page.off('fn12', fn1)
        page.emit('fn12', null)

        page.emit('fn3', { name: 'name' })
        page.emit('fn3', { age: 20 })
        page.emit('fn3', null)

        const res = num == 6
        console.log('check eventBus', res)
        return res
      },
      checkGetParentPage() : boolean {
        const page = this.getCurrentPage()
        const parentPage = page.getParentPage()
        const res = parentPage == null
        console.log('check getParentPage', res)
        return res
      },
      checkGetDialogPages() : boolean {
        const page = this.getCurrentPage()
        const dialogPages = page.getDialogPages()
        const res = Array.isArray(dialogPages) && dialogPages.length == 0
        console.log('check getDialogPages', res)
        return res
      },
      checkGetElementById() : boolean {
        const page = this.getCurrentPage()
        const element = page.getElementById('check-get-element-by-id-btn')
        let res = element != null
        // #ifndef APP-ANDROID
        if(res){
          const elPage = element!.getPage()
          console.log('elPage', elPage)
          res = elPage === page
        }
        // #endif
        console.log('check getElementById', res)
        return res
      },
      checkGetAndroidView() : boolean {
        const page = this.getCurrentPage()
        const androidView = page.getAndroidView()
        // #ifdef APP-ANDROID
        const res = androidView != null
        // #endif
        // #ifndef APP-ANDROID
        const res = androidView == null
        // #endif
        console.log('check getAndroidView', res)
        return res
      },
    },
  }
</script>

<style>
  .page {
    flex: 1;
    padding: 10px;
  }

  .page-style {
    margin-top: 15px;
  }

  .page-style-item {
    padding: 10px;
    margin-top: 10px;
    background-color: #ffffff;
    border-radius: 5px;
  }

  .item-text {
    flex-direction: row;
  }

  .item-text-key {
    font-weight: bold;
  }

  .item-text-value {
    margin-left: 5px;
  }

  .set-value {
    margin-top: 10px;
  }

  .radio-set-value {
    flex-direction: row;
  }

  .radio-value {
    margin-left: 10px;
  }
</style>