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feat: header categories #903
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134 changes: 134 additions & 0 deletions
134
packages/theme/components/Header/Navigation/HeaderNavigation.vue
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| <template> | ||
| <div class="header-navigation"> | ||
| <div class="sf-header-navigation-item__item sf-header-navigation-item__item--desktop"> | ||
| <HeaderNavigationItem | ||
| v-for="(category, index) in categoryTree" | ||
| :key="index" | ||
| ref="lvl0CatRefs" | ||
| :data-testid="category.uid" | ||
| :label="category.name" | ||
| :link="localePath(getCatLink(category))" | ||
| tabindex="1" | ||
| aria-haspopup="true" | ||
| class="nav-item" | ||
| :data-index="index" | ||
| :has-children="hasChildren(category)" | ||
| @mouseenter.native.prevent="onMouseEnter(category)" | ||
| @keydown.down.native.prevent="setCurrentCategory(category)" | ||
| @keydown.up.native.prevent="setCurrentCategory(null)" | ||
| @keyup.tab.native.prevent="setFocus($event)" | ||
| @keydown.right.native.prevent="navRight()" | ||
| @keydown.left.native.prevent="navLeft()" | ||
| /> | ||
| </div> | ||
| <HeaderNavigationSubcategories | ||
| v-if="hasChildren(currentCategory)" | ||
| :current-category="currentCategory" | ||
| :has-focus="hasFocus" | ||
| @hideSubcategories="focusRootElementAndHideSubcategories" | ||
| /> | ||
| </div> | ||
| </template> | ||
| <script lang="ts"> | ||
| import { | ||
| defineComponent, PropType, ref, | ||
| } from '@nuxtjs/composition-api'; | ||
| import HeaderNavigationItem from './HeaderNavigationItem.vue'; | ||
|
|
||
| import { CategoryTree } from '~/modules/GraphQL/types'; | ||
| import { useUiHelpers } from '~/composables'; | ||
|
|
||
| export default defineComponent({ | ||
| name: 'HeaderNavigation', | ||
| components: { | ||
| HeaderNavigationSubcategories: () => import('~/components/Header/Navigation/HeaderNavigationSubcategories.vue'), | ||
| HeaderNavigationItem, | ||
| }, | ||
| props: { | ||
| categoryTree: { | ||
| type: Array as PropType<CategoryTree[]>, | ||
| default: () => [], | ||
| }, | ||
| }, | ||
| setup() { | ||
| const { getCatLink } = useUiHelpers(); | ||
|
|
||
| const currentCategory = ref<CategoryTree>(null); | ||
| const lvl0CatRefs = ref([]); | ||
| const hasFocus = ref(false); | ||
| let lvl0CatFocusIdx = 0; | ||
| let focusedElement = null; | ||
|
|
||
| const setCurrentCategory = (category: CategoryTree | null) => { | ||
| currentCategory.value = category; | ||
| }; | ||
|
|
||
| const hasChildren = (category: CategoryTree) => Boolean(category?.children); | ||
|
|
||
| const setFocus = (event) => { | ||
| focusedElement = event.target; | ||
| lvl0CatFocusIdx = Number(event.target.dataset.index); | ||
| hasFocus.value = true; | ||
| }; | ||
|
|
||
| const focusRootElementAndHideSubcategories = () => { | ||
| setCurrentCategory(null); | ||
| if (focusedElement !== null) focusedElement.focus(); | ||
| }; | ||
|
|
||
| const navRight = () => { | ||
| lvl0CatFocusIdx++; | ||
| if (lvl0CatRefs.value[lvl0CatFocusIdx]) { | ||
| lvl0CatRefs.value[lvl0CatFocusIdx].$el.focus(); | ||
| focusedElement = lvl0CatRefs.value[lvl0CatFocusIdx].$el; | ||
| } else { | ||
| lvl0CatFocusIdx--; | ||
| } | ||
| }; | ||
|
|
||
| const navLeft = () => { | ||
| lvl0CatFocusIdx--; | ||
| if (lvl0CatRefs.value[lvl0CatFocusIdx]) { | ||
| lvl0CatRefs.value[lvl0CatFocusIdx].$el.focus(); | ||
| focusedElement = lvl0CatRefs.value[lvl0CatFocusIdx].$el; | ||
| } else { | ||
| lvl0CatFocusIdx++; | ||
| } | ||
| }; | ||
|
|
||
| const onMouseEnter = (category: CategoryTree) => { | ||
| currentCategory.value = category; | ||
| focusedElement = null; | ||
| hasFocus.value = false; | ||
| }; | ||
|
|
||
| return { | ||
| getCatLink, | ||
| setCurrentCategory, | ||
| currentCategory, | ||
| hasChildren, | ||
| setFocus, | ||
| focusRootElementAndHideSubcategories, | ||
| lvl0CatRefs, | ||
| navRight, | ||
| navLeft, | ||
| hasFocus, | ||
| onMouseEnter, | ||
| }; | ||
| }, | ||
| }); | ||
| </script> | ||
| <style lang="scss" scoped> | ||
| .header-navigation { | ||
| &__main { | ||
| display: flex; | ||
| } | ||
| } | ||
| .nav-item { | ||
| --header-navigation-item-margin: 0 var(--spacer-sm); | ||
|
|
||
| .sf-header-navigation-item__item--mobile { | ||
| display: none; | ||
| } | ||
| } | ||
| </style> | ||
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