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Suvodip Ghosh 2023-02-09 22:01:11 +05:30
parent 82b9847737
commit 0f3ef215c3
1 changed files with 34 additions and 82 deletions
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src/components/Readmore.vue
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@ -1,85 +1,37 @@
<template> <template>
<div class="block-content">
<transition
@before-enter="onBeforeEnter"
@enter="onEnter"
@after-enter="onAfterEnter"
@before-leave="onBeforeLeave"
@leave="onLeave"
mode="out-in"
>
<p v-if="!isExpanded" class="block-content__preview" >The EYFS British kindergarten curriculum has been adopted by multiple preschools throughout the country. The curriculum not only acknowledges theoretical subjects, yet</p>
<p
v-else
:class="{
'block-content__paragraph': true,
'block-content__paragraph--is-expanded': isExpanded,
}"
>also provides practical knowledge of daily life to preschoolers.</p>
</transition> <div id="app" class="container">
<button <p>A simple Read More, Read Less pen in Vue.js</p>
type="button"
class="block-content__button" <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Venenatis lectus magna
aria-label="Toggle button" fringilla urna. Etiam tempor orci eu lobortis. Integer quis auctor elit sed vulputate mi sit. Lacinia
@click="isExpanded = !isExpanded" at quis risus sed vulputate odio ut enim blandit. Nibh praesent tristique magna sit amet purus. Eleifend donec pretium vulputate sapien nec
> sagittis. Facilisi morbi tempus iaculis urna id volutpat. Ultrices neque ornare aenean euismod.<span v-if="readMore"></span>
{{ toggleCtaLabel }} <span v-else>...</span>
</p>
<p v-show="readMore">Ligula ullamcorper malesuada proin libero nunc consequat interdum varius. Turpis egestas pretium aenean pharetra magna ac
placerat. Sed egestas egestas fringilla phasellus faucibus scelerisque eleifend donec. Sed cras ornare arcu dui. Aliquam vestibulum
morbi blandit cursus. Adipiscing elit ut aliquam purus sit amet. Aenean sed adipiscing diam donec adipiscing tristique risus nec. Ut etiam sit amet
nisl purus in mollis. Eu mi bibendum neque egestas congue quisque egestas diam in. Pellentesque adipiscing
commodo elit at imperdiet dui accumsan sit.
</p>
<button class="btn btn-success" @click="readMore =! readMore">
<span v-if="readMore">Read Less</span>
<span v-else>Read More</span>
</button> </button>
</div> </div>
</template> </template>
<script>
// new Vue({
// el: '#app',
// data:{
// readMore: false
// }
// });
<script lang="ts">
import { computed, defineComponent, ref, toRefs } from "vue";
export default defineComponent({
name: "ExpandableBlockContent",
props: {
content: { type: String },
visibleLines: { type: Number, default: 4 },
},
setup(props) {
const { visibleLines } = toRefs(props);
// Collapsed state
// Assuming that default line-height is 24px
const LINE_HEIGHT = 24;
const maxHeightCollapsed = computed(() => LINE_HEIGHT * visibleLines.value);
// Animation hooks
const onBeforeEnter = (el: Element) => {
const htmlEl = el as HTMLElement;
htmlEl.style.height = maxHeightCollapsed.value + "px";
};
const onEnter = (el: Element) => {
const htmlEl = el as HTMLElement;
htmlEl.style.height = el.scrollHeight + "px";
};
const onAfterEnter = (el: Element) => {
const htmlEl = el as HTMLElement;
htmlEl.style.overflow = "hidden";
};
const onBeforeLeave = (el: Element) => {
const htmlEl = el as HTMLElement;
htmlEl.style.height = `${el.scrollHeight}px`;
htmlEl.style.overflow = "hidden";
};
const onLeave = (el: Element) => {
const htmlEl = el as HTMLElement;
htmlEl.style.height = maxHeightCollapsed.value + "px";
htmlEl.style.overflow = "hidden";
};
// Expanded state
const isExpanded = ref(false);
const toggleCtaLabel = computed(() =>
isExpanded.value ? "Read less" : "Read more"
);
return {
isExpanded,
toggleCtaLabel,
onBeforeEnter,
onEnter,
onAfterEnter,
onBeforeLeave,
onLeave,
};
},
});
</script> </script>