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<template>
<div
class="screen-element"
:class="{ 'link': elementInfo.link }"
:id="`screen-element-${elementInfo.id}`"
:style="{
zIndex: elementIndex,
color: theme.fontColor,
fontFamily: theme.fontName,
visibility: needWaitAnimation ? 'hidden' : 'visible',
}"
:title="elementInfo.link?.target || ''"
@click="$event => openLink($event)"
>
<component
:is="currentElementComponent"
:elementInfo="elementInfo"
></component>
</div>
</template>
<script lang="ts" setup>
import { computed } from 'vue'
import { storeToRefs } from 'pinia'
import { useSlidesStore } from '@/store'
import { ElementTypes, type PPTElement } from '@/types/slides'
import BaseImageElement from '@/views/components/element/ImageElement/BaseImageElement.vue'
import BaseTextElement from '@/views/components/element/TextElement/BaseTextElement.vue'
import BaseShapeElement from '@/views/components/element/ShapeElement/BaseShapeElement.vue'
import BaseLineElement from '@/views/components/element/LineElement/BaseLineElement.vue'
import BaseChartElement from '@/views/components/element/ChartElement/BaseChartElement.vue'
import BaseTableElement from '@/views/components/element/TableElement/BaseTableElement.vue'
import BaseLatexElement from '@/views/components/element/LatexElement/BaseLatexElement.vue'
import ScreenVideoElement from '@/views/components/element/VideoElement/ScreenVideoElement.vue'
import ScreenAudioElement from '@/views/components/element/AudioElement/ScreenAudioElement.vue'
const props = defineProps<{
elementInfo: PPTElement
elementIndex: number
animationIndex: number
turnSlideToId: (id: string) => void
manualExitFullscreen: () => void
}>()
const currentElementComponent = computed<unknown>(() => {
const elementTypeMap = {
[ElementTypes.IMAGE]: BaseImageElement,
[ElementTypes.TEXT]: BaseTextElement,
[ElementTypes.SHAPE]: BaseShapeElement,
[ElementTypes.LINE]: BaseLineElement,
[ElementTypes.CHART]: BaseChartElement,
[ElementTypes.TABLE]: BaseTableElement,
[ElementTypes.LATEX]: BaseLatexElement,
[ElementTypes.VIDEO]: ScreenVideoElement,
[ElementTypes.AUDIO]: ScreenAudioElement,
}
return elementTypeMap[props.elementInfo.type] || null
})
const { formatedAnimations, theme } = storeToRefs(useSlidesStore())
// 判断元素是否需要等待执行入场动画：等待执行入场的元素需要先隐藏
const needWaitAnimation = computed(() => {
// 该元素在本页动画序列中的位置
const elementIndexInAnimation = formatedAnimations.value.findIndex(item => {
const elIds = item.animations.map(item => item.elId)
return elIds.includes(props.elementInfo.id)
})
// 该元素未设置过动画
if (elementIndexInAnimation === -1) return false
// 若该元素已执行过动画，都无须隐藏
// 具体来说：若已执行的最后一个动画为入场，显然无须隐藏；若已执行的最后一个动画为退场，由于保留了退场动画结束状态，也无需额外隐藏
if (elementIndexInAnimation < props.animationIndex) return false
// 若该元素未执行过动画，获取其将要执行的第一个动画
// 若将要执行的第一个动画为入场，则需要隐藏，否则无须隐藏
const firstAnimation = formatedAnimations.value[elementIndexInAnimation].animations.find(item => item.elId === props.elementInfo.id)
if (firstAnimation?.type === 'in') return true
return false
})
// 打开元素绑定的超链接
const openLink = (e: MouseEvent) => {
if ((e.target as HTMLElement).tagName === 'A') {
props.manualExitFullscreen()
return
}
const link = props.elementInfo.link
if (!link) return
if (link.type === 'web') {
props.manualExitFullscreen()
window.open(link.target)
}
else if (link.type === 'slide') {
props.turnSlideToId(link.target)
}
}
</script>
<style lang="scss" scoped>
.link {
cursor: pointer;
}
</style> |