ui-default: init

将ui-default合并至主存储库便于维护

packages/ui-default/components/tab/Tab.js

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+import _ from 'lodash';
+import DOMAttachedObject from 'vj/components/DOMAttachedObject';
+
+const TAB_TRANSITION_DURATION = 300;
+
+export default class Tab extends DOMAttachedObject {
+  static DOMAttachKey = 'vjTabInstance';
+
+  static initAll() {
+    $('.section__tabs').get().forEach((tab) => {
+      Tab.getOrConstruct($(tab));
+    });
+  }
+
+  static initEventListeners() {
+    $(document).on('click', '.section__tab-header-item', (ev) => {
+      const targetIndex = $(ev.currentTarget).attr('data-tab-index');
+      const $container = $(ev.currentTarget).closest('.section__tab-container');
+      const tabInstance = Tab.get($container);
+      tabInstance.switchToTab(parseInt(targetIndex, 10));
+    });
+  }
+
+  constructor($dom) {
+    super($dom);
+    this.attached = false;
+    this.attach();
+  }
+
+  async switchToTab(idx) {
+    if (idx === this.currentIndex) {
+      return;
+    }
+    if (this.isAnimating) {
+      return;
+    }
+
+    const $tabs = this.$content.children();
+    const $currentTab = $tabs.eq(this.currentIndex);
+    const $newTab = $tabs.eq(idx);
+
+    // 0. Change header
+    this.$header
+      .children()
+      .removeClass('selected')
+      .eq(idx)
+      .addClass('selected');
+
+    // 1. Prepare for animating
+    this.isAnimating = true;
+    $newTab.addClass('active');
+    const animateParameter = {};
+    if (idx < this.currentIndex) {
+      animateParameter.from = '-100%';
+      animateParameter.to = '0%';
+    } else {
+      animateParameter.from = '0%';
+      animateParameter.to = '-100%';
+    }
+    $newTab
+      .css('opacity', 0);
+    this.$content
+      .css('x', animateParameter.from)
+      .width();
+
+    // 2. Animate transition
+    $currentTab
+      .transition({
+        opacity: 0,
+      }, {
+        duration: TAB_TRANSITION_DURATION,
+        easing: 'linear',
+      });
+    $newTab
+      .transition({
+        opacity: 1,
+      }, {
+        duration: TAB_TRANSITION_DURATION,
+        easing: 'linear',
+      });
+    await this.$content
+      .transition({
+        x: animateParameter.to,
+      }, {
+        duration: TAB_TRANSITION_DURATION,
+        easing: 'easeOutCubic',
+      })
+      .promise();
+
+    // 3. Hide previous content
+    this.$content
+      .children()
+      .eq(this.currentIndex)
+      .removeClass('active');
+    this.$content
+      .css('x', '0');
+
+    // 4. Finalize
+    this.currentIndex = idx;
+    this.isAnimating = false;
+  }
+
+  attach() {
+    if (this.attached) {
+      return false;
+    }
+
+    const $container = this.$dom
+      .closest('.section__tab-container');
+    const $headerWrapper = $(document.createElement('div'))
+      .addClass('section__tab-header-wrapper')
+      .appendTo($container);
+    const $contentWrapper = $(document.createElement('div'))
+      .addClass('section__tab-content-wrapper')
+      .appendTo($container);
+    this.$header = $(document.createElement('ul'))
+      .addClass('section__tab-header')
+      .attr('data-slideout-ignore', 'on')
+      .appendTo($headerWrapper);
+    this.$content = $(document.createElement('div'))
+      .addClass('section__tab-content')
+      .appendTo($contentWrapper);
+
+    this.$dom.find('.section__tab-title').get().forEach((element, idx) => {
+      $(document.createElement('li')).text($(element).text())
+        .addClass('section__tab-header-item')
+        .attr('data-tab-index', idx)
+        .appendTo(this.$header);
+    });
+
+    this.$dom.find('.section__tab-main')
+      .appendTo(this.$content);
+
+    this.$dom.remove();
+    this.$dom = $container;
+
+    this.currentIndex = 0;
+    this.$content
+      .children()
+      .eq(0)
+      .addClass('active');
+    this.$header
+      .children()
+      .eq(0)
+      .addClass('selected');
+
+    return true;
+  }
+}
+
+_.assign(Tab, DOMAttachedObject);

packages/ui-default/components/tab/tab.page.js

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+import { AutoloadPage } from 'vj/misc/Page';
+import Tab from './Tab';
+
+const tabPage = new AutoloadPage('tabPage', () => {
+  Tab.initAll();
+  Tab.initEventListeners();
+});
+
+export default tabPage;

packages/ui-default/components/tab/tab.page.styl

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+@import './var.inc.styl'
+
+// No JavaScript
+.section__tab-item
+  margin: rem(20px) 0
+  border-bottom: 1px solid #DDD
+  padding: 0 rem($section-gap-h) rem($section-gap-v)
+
+.section__tab-title
+  font-size: rem($font-size-title)
+  color: #888
+  margin-bottom: 0.8em
+
+// Has JavaScript
+.section__tab-header-wrapper
+  overflow: hidden
+
+.section__tab-header
+  padding: 0 rem($section-gap-h)
+  padding-top: rem($tab-item-shadow-size)
+  overflow-x: auto
+  white-space: nowrap
+  padding-bottom: 20px
+  margin-bottom: -20px
+
+  +mobile()
+    padding-top: 0
+    padding-right: rem($section-gap-h + 50px)
+    webkit-overflow-scrolling: touch
+    mask-image: linear-gradient(to right, rgba(0,0,0,1) 80%, rgba(0,0,0,0));
+
+.section__tab-header-item
+  display: inline-block
+  font-size: rem($font-size-secondary)
+  line-height: rem($tab-item-height)
+  height: rem($tab-item-height)
+  padding: 0 rem(20px)
+  margin-right: rem(10px)
+  user-select: none
+  position: relative
+
+  +mobile()
+    line-height: rem($tab-item-height-mobile)
+    height: rem($tab-item-height-mobile)
+
+.section__tab-container.immersive
+  .section__tab-header-item
+    color: rgba(#FFF, 0.9)
+    border-radius: 1px 1px 0 0
+    cursor: pointer
+    transition: background .2s ease-out-cubic
+
+    &:hover
+      color: #FFF
+
+    &.selected
+      background: #FFF
+      color: #666
+      box-shadow: 0 0 10px rgba(#000, 0.3)
+
+    +mobile()
+      &.selected
+        box-shadow: none
+        background: transparent
+        color: #FFF
+
+        &::after
+          position: absolute
+          left: 0
+          width: 100%
+          bottom: 0
+          height: 3px
+          background: $secondary-color
+          content: ''
+
+.section__tab-content-wrapper
+  overflow: hidden
+
+.section__tab-content
+  position: relative
+  white-space: nowrap
+
+  .section__tab-main
+    display: none
+    vertical-align: top
+    width: 100%
+
+    &.active
+      display: inline-block

packages/ui-default/components/tab/var.inc.styl

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+$tab-item-height = 35px
+$tab-item-shadow-size = 10px
+$tab-item-height-mobile = 32px   // 32 * (13 / 16) is an integer