Tabs have been redesigned and can now display a counter. This counter
can be set by emiting a "counter" event from the child.
Tabs read and set a ?tab={slug} query parameter when changing tab, when
loaded we check for this parameter to automatically select the correct
tab.
		
	
		
			
				
	
	
		
			133 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
			
		
		
	
	
			133 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
<template>
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  <div>
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    <nav class="tab-container">
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      <a
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        class="tab"
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        v-for="(tab, index) in tabs"
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        :key="index"
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        @click="changeTab(index)"
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        @keydown.enter="changeTab(index)"
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        tabindex="0"
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        :class="chosenTab == index ? 'active' : null"
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      >
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        {{ tab.name }}
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        <span v-if="tab.counter" class="counter">{{ tab.counter }}</span>
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      </a>
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    </nav>
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    <div class="tab-elements">
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      <component :is="tabs[chosenTab].component" @counter="updateCounter" />
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    </div>
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  </div>
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</template>
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<script>
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export default {
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  props: {
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    tabs: {
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      type: Array
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    }
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  },
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  beforeMount() {
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    const url = location.href;
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    if (url.includes("tab=")) {
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      const tabParameter = url.split("tab=")[1];
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      const matchingSlug = this.tabs.findIndex(tab => tab.slug == tabParameter);
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      console.log("matchingSlug:", matchingSlug);
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      this.chosenTab = matchingSlug;
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    }
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  },
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  data() {
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    return {
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      chosenTab: 0
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    };
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  },
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  computed: {
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    activeTab() {
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      return this.tabs[this.chosenTab];
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    }
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  },
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  methods: {
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    changeTab(num) {
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      this.chosenTab = num;
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      let url = location.href;
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      const tabParameterIndex = url.indexOf("tab=");
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      if (tabParameterIndex > 0) {
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        url = url.split("tab=")[0] + `tab=${this.activeTab.slug}`;
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      } else {
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        url = url + `?tab=${this.activeTab.slug}`;
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      }
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      window.history.pushState({}, "", url);
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    },
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    updateCounter(val) {
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      this.activeTab.counter = val;
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    }
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  }
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};
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</script>
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<style lang="scss" scoped>
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@import "@/styles/variables.scss";
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@import "@/styles/media-queries.scss";
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h1 {
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  text-align: center;
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}
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.tab-container {
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  display: flex;
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  flex-direction: row;
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  justify-content: center;
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  // margin-top: 25px;
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  border-bottom: 1px solid var(--underlinenav-text);
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  margin-top: 2rem;
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  @include mobile {
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    flex-direction: column;
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  }
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}
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.tab {
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  cursor: pointer;
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  font-size: 1.1rem;
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  padding: 8px 16px;
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  border-bottom: 2px solid transparent;
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  color: rgba($matte-text-color, 0.9);
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  &.active {
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    color: $matte-text-color;
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    border-color: var(--underlinenav-text-active) !important;
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    background: white;
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    font-weight: 600;
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  }
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  &:hover,
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  &:focus {
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    border-color: var(--underlinenav-text-hover);
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    outline: 0;
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  }
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  & .counter {
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    margin-left: 4px;
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    box-sizing: border-box;
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    display: inline-block;
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    min-width: 20px;
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    padding: 0 6px;
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    font-size: 14px;
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    font-weight: 600;
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    line-height: 18px;
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    text-align: center;
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    background-color: rgba(209, 213, 218, 0.5);
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    border: 1px solid transparent;
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    border-radius: 2em;
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  }
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}
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</style>
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