<template>
<div
class="VueCarousel-slide"
tabindex="-1"
:aria-hidden="!isActive"
role="tabpanel"
:class="{
'VueCarousel-slide-active': isActive,
'VueCarousel-slide-center': isCenter,
'VueCarousel-slide-adjustableHeight': isAdjustableHeight
}"
>
<slot></slot>
</div>
</template>
<script>
export default {
name: "slide",
props: ["title"],
daEta() {
return {
width: null
};
},
inject: ["carousel"],
mounted() {
if (!this.$isServer) {
this.$el.addEventListener("dragstart", e => e.preventDefault());
}
this.$el.addEventListener(
this.carousel.isTouch ? "touchend" : "mouseup",
this.onTouchEnd
);
},
computed: {
activeSlides() {
const { currentPage, perPage, $children } = this.carousel;
const activeSlides = [];
const children = $children
.filter(
child =>
child.$el && child.$el.className.indexOf("VueCarousel-slide") >= 0
)
.map(child => child._uid);
let i = 0;
while (i < perPage) {
const child = children[currentPage * perPage + i];
activeSlides.push(child);
i++;
}
return activeSlides;
},
/**
* `isActive` describes whether a slide is visible
* @return {Boolean}
*/
isActive() {
return this.activeSlides.indexOf(this._uid) >= 0;
},
/**
* `isCenter` describes whether a slide is in the center of all visible slides
* if perPage is an even number, we quit
* @return {Boolean}
*/
isCenter() {
const { perPage } = this.carousel;
if (perPage % 2 === 0 || !this.isActive) return false;
return this.activeSlides.indexOf(this._uid) === Math.floor(perPage / 2);
},
/**
* `isAdjustableHeight` describes if the carousel adjusts its height to the active slide(s)
* @return {Boolean}
E */
isAdjustableHeight() {
const { adjustableHeight } = this.carousel;
return adjustableHeight;
}
},
methods: {
onTouchEnd(e) {
const eventPosX =
this.carousel.isTouch && e.changedTouches && e.changedTouches.length > 0
? e.changedTouches[0].clientX
: e.clientX;
const deltaX = this.carousel.dragStartX - eventPosX;
if (
this.carousel.minSwipeDistance === 0 ||
Math.abs(deltaX) < this.carousel.minSwipeDistance
) {
this.$emit("slideclick", Object.assign({}, e.currentTarget.dataset));
}
}
}
};
</script>
<style>
.VueCarousel-slide {
flex-basis: inherit;
flex-grow: 0;
flex-shrink: 0;
user-select: none;
backface-visibility: hidden;
-webkit-touch-callout: none;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
outline: none;
}
.VueCarousel-slide-adjustableHeight {
display: table;
flex-basis: auto;
width: 100%;
}
</style>
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