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Styles imported. Components added
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Bahadir Sofuoglu
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252
components/tabview/TabView.vue
Executable file
252
components/tabview/TabView.vue
Executable file
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<template>
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<div :class="contentClasses">
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<div class="p-tabview-nav-container">
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<button v-if="scrollable && !backwardIsDisabled" ref="prevBtn" :class="prevButtonClasses" @click="navBackward" type="button" v-ripple>
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<span class="pi pi-chevron-left"></span>
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</button>
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<div ref="content" class="p-tabview-nav-content" @scroll="onScroll">
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<ul ref="nav" class="p-tabview-nav" role="tablist">
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<li role="presentation" v-for="(tab, i) of tabs" :key="getKey(tab,i)" :class="[{'p-highlight': (d_activeIndex === i), 'p-disabled': isTabDisabled(tab)}]">
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<a role="tab" class="p-tabview-nav-link" @click="onTabClick($event, i)" @keydown="onTabKeydown($event, i)" :tabindex="isTabDisabled(tab) ? null : '0'" :aria-selected="d_activeIndex === i" v-ripple>
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<span class="p-tabview-title" v-if="tab.props && tab.props.header">{{tab.props.header}}</span>
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<component :is="tab.children.header" v-if="tab.children && tab.children.header"></component>
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</a>
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</li>
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<li ref="inkbar" class="p-tabview-ink-bar"></li>
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</ul>
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</div>
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<button v-if="scrollable && !forwardIsDisabled" ref="nextBtn" :class="nextButtonClasses" @click="navForward" type="button" v-ripple>
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<span class="pi pi-chevron-right"></span>
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</button>
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</div>
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<div class="p-tabview-panels">
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<template v-for="(tab, i) of tabs" :key="getKey(tab,i)">
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<div class="p-tabview-panel" role="tabpanel" v-if="lazy ? (d_activeIndex === i) : true" v-show="lazy ? true: (d_activeIndex === i)">
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<component :is="tab"></component>
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</div>
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</template>
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</div>
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</div>
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</template>
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<script>
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import {DomHandler} from 'primevue/utils';
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import Ripple from 'primevue/ripple';
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export default {
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name: 'TabView',
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emits: ['update:activeIndex', 'tab-change', 'tab-click'],
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props: {
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activeIndex: {
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type: Number,
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default: 0
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},
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lazy: {
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type: Boolean,
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default: false
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},
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scrollable: {
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type: Boolean,
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default: false
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}
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},
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data() {
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return {
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d_activeIndex: this.activeIndex,
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backwardIsDisabled: true,
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forwardIsDisabled: false
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}
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},
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watch: {
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activeIndex(newValue) {
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this.d_activeIndex = newValue;
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this.updateScrollBar(newValue);
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}
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},
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updated() {
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this.updateInkBar();
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},
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mounted() {
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this.updateInkBar();
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},
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methods: {
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onTabClick(event, i) {
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if (!this.isTabDisabled(this.tabs[i]) && i !== this.d_activeIndex) {
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this.d_activeIndex = i;
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this.$emit('update:activeIndex', this.d_activeIndex);
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this.$emit('tab-change', {
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originalEvent: event,
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index: i
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});
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this.updateScrollBar(i);
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}
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this.$emit('tab-click', {
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originalEvent: event,
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index: i
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});
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},
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onTabKeydown(event, i) {
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if (event.which === 13) {
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this.onTabClick(event, i);
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}
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},
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updateInkBar() {
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let tabHeader = this.$refs.nav.children[this.d_activeIndex];
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this.$refs.inkbar.style.width = DomHandler.getWidth(tabHeader) + 'px';
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this.$refs.inkbar.style.left = DomHandler.getOffset(tabHeader).left - DomHandler.getOffset(this.$refs.nav).left + 'px';
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},
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updateScrollBar(index) {
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let tabHeader = this.$refs.nav.children[index];
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tabHeader.scrollIntoView({ block: 'nearest' })
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},
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updateButtonState() {
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const content = this.$refs.content;
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const { scrollLeft, scrollWidth } = content;
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const width = DomHandler.getWidth(content);
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this.backwardIsDisabled = scrollLeft === 0;
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this.forwardIsDisabled = parseInt(scrollLeft) === scrollWidth - width;
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},
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getKey(tab, i) {
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return (tab.props && tab.props.header) ? tab.props.header : i;
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},
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isTabDisabled(tab) {
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return (tab.props && tab.props.disabled);
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},
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isTabPanel(child) {
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return child.type.name === 'TabPanel'
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},
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onScroll(event) {
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this.scrollable && this.updateButtonState();
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event.preventDefault();
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},
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getVisibleButtonWidths() {
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const { prevBtn, nextBtn } = this.$refs;
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return [prevBtn, nextBtn].reduce((acc, el) => el ? acc + DomHandler.getWidth(el) : acc, 0);
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},
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navBackward() {
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const content = this.$refs.content;
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const width = DomHandler.getWidth(content) - this.getVisibleButtonWidths();
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const pos = content.scrollLeft - width;
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content.scrollLeft = pos <= 0 ? 0 : pos;
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},
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navForward() {
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const content = this.$refs.content;
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const width = DomHandler.getWidth(content) - this.getVisibleButtonWidths();
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const pos = content.scrollLeft + width;
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const lastPos = content.scrollWidth - width;
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content.scrollLeft = pos >= lastPos ? lastPos : pos;
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}
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},
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computed: {
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contentClasses() {
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return ['p-tabview p-component', {'p-tabview-scrollable': this.scrollable}];
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},
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prevButtonClasses() {
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return ['p-tabview-nav-prev p-tabview-nav-btn p-link']
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},
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nextButtonClasses() {
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return ['p-tabview-nav-next p-tabview-nav-btn p-link']
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},
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tabs() {
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const tabs = []
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this.$slots.default().forEach(child => {
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if (this.isTabPanel(child)) {
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tabs.push(child);
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}
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else if (child.children && child.children instanceof Array) {
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child.children.forEach(nestedChild => {
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if (this.isTabPanel(nestedChild)) {
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tabs.push(nestedChild)
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}
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});
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}
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}
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)
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return tabs;
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}
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},
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directives: {
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'ripple': Ripple
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}
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}
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</script>
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<style>
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.p-tabview-nav-container {
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position: relative;
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}
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.p-tabview-scrollable .p-tabview-nav-container {
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overflow: hidden;
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}
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.p-tabview-nav-content {
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overflow-x: auto;
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overflow-y: hidden;
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scroll-behavior: smooth;
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scrollbar-width: none;
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overscroll-behavior: contain auto;
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}
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.p-tabview-nav {
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display: flex;
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margin: 0;
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padding: 0;
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list-style-type: none;
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flex: 1 1 auto;
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}
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.p-tabview-nav-link {
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cursor: pointer;
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user-select: none;
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display: flex;
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align-items: center;
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position: relative;
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text-decoration: none;
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overflow: hidden;
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}
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.p-tabview-ink-bar {
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display: none;
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z-index: 1;
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}
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.p-tabview-nav-link:focus {
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z-index: 1;
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}
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.p-tabview-title {
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line-height: 1;
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white-space: nowrap;
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}
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.p-tabview-nav-btn {
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position: absolute;
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top: 0;
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z-index: 2;
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height: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.p-tabview-nav-prev {
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left: 0;
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}
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.p-tabview-nav-next {
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right: 0;
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}
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.p-tabview-nav-content::-webkit-scrollbar {
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display: none;
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}
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</style>
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