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@@ -1,94 +1,94 @@
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-<template>
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- <el-scrollbar ref="scrollContainer" :vertical="false" class="scroll-container" @wheel.native.prevent="handleScroll">
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- <slot />
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- </el-scrollbar>
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-</template>
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-
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-<script>
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-const tagAndTagSpacing = 4 // tagAndTagSpacing
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-
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-export default {
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- name: 'ScrollPane',
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- data() {
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- return {
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- left: 0
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- }
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- },
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- computed: {
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- scrollWrapper() {
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- return this.$refs.scrollContainer.$refs.wrap
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- }
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- },
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- mounted() {
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- this.scrollWrapper.addEventListener('scroll', this.emitScroll, true)
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- },
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- beforeDestroy() {
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- this.scrollWrapper.removeEventListener('scroll', this.emitScroll)
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- },
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- methods: {
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- handleScroll(e) {
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- const eventDelta = e.wheelDelta || -e.deltaY * 40
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- const $scrollWrapper = this.scrollWrapper
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- $scrollWrapper.scrollLeft = $scrollWrapper.scrollLeft + eventDelta / 4
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- },
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- emitScroll() {
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- this.$emit('scroll')
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- },
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- moveToTarget(currentTag) {
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- const $container = this.$refs.scrollContainer.$el
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- const $containerWidth = $container.offsetWidth
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- const $scrollWrapper = this.scrollWrapper
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- const tagList = this.$parent.$refs.tag
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-
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- let firstTag = null
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- let lastTag = null
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-
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- // find first tag and last tag
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- if (tagList.length > 0) {
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- firstTag = tagList[0]
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- lastTag = tagList[tagList.length - 1]
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- }
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-
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- if (firstTag === currentTag) {
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- $scrollWrapper.scrollLeft = 0
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- } else if (lastTag === currentTag) {
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- $scrollWrapper.scrollLeft = $scrollWrapper.scrollWidth - $containerWidth
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- } else {
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- // find preTag and nextTag
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- const currentIndex = tagList.findIndex(item => item === currentTag)
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- const prevTag = tagList[currentIndex - 1]
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- const nextTag = tagList[currentIndex + 1]
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-
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- // the tag's offsetLeft after of nextTag
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- const afterNextTagOffsetLeft = nextTag.$el.offsetLeft + nextTag.$el.offsetWidth + tagAndTagSpacing
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-
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- // the tag's offsetLeft before of prevTag
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- const beforePrevTagOffsetLeft = prevTag.$el.offsetLeft - tagAndTagSpacing
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-
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- if (afterNextTagOffsetLeft > $scrollWrapper.scrollLeft + $containerWidth) {
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- $scrollWrapper.scrollLeft = afterNextTagOffsetLeft - $containerWidth
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- } else if (beforePrevTagOffsetLeft < $scrollWrapper.scrollLeft) {
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- $scrollWrapper.scrollLeft = beforePrevTagOffsetLeft
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- }
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- }
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- }
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- }
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-}
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-</script>
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-
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-<style lang="scss" scoped>
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-.scroll-container {
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- white-space: nowrap;
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- position: relative;
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- overflow: hidden;
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- width: 100%;
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- ::v-deep {
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- .el-scrollbar__bar {
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- bottom: 0px;
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- }
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- .el-scrollbar__wrap {
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- height: 49px;
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- }
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- }
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-}
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-</style>
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+<template>
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+ <el-scrollbar ref="scrollContainer" :vertical="false" class="scroll-container" @wheel.native.prevent="handleScroll">
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+ <slot />
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+ </el-scrollbar>
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+</template>
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+
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+<script>
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+const tagAndTagSpacing = 4 // tagAndTagSpacing
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+
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+export default {
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+ name: 'ScrollPane',
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+ data() {
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+ return {
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+ left: 0
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+ }
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+ },
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+ computed: {
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+ scrollWrapper() {
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+ return this.$refs.scrollContainer.$refs.wrap
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+ }
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+ },
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+ mounted() {
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+ this.scrollWrapper.addEventListener('scroll', this.emitScroll, true)
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+ },
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+ beforeDestroy() {
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+ this.scrollWrapper.removeEventListener('scroll', this.emitScroll)
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+ },
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+ methods: {
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+ handleScroll(e) {
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+ const eventDelta = e.wheelDelta || -e.deltaY * 40
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+ const $scrollWrapper = this.scrollWrapper
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+ $scrollWrapper.scrollLeft = $scrollWrapper.scrollLeft + eventDelta / 4
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+ },
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+ emitScroll() {
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+ this.$emit('scroll')
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+ },
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+ moveToTarget(currentTag) {
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+ const $container = this.$refs.scrollContainer.$el
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+ const $containerWidth = $container.offsetWidth
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+ const $scrollWrapper = this.scrollWrapper
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+ const tagList = this.$parent.$refs.tag
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+
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+ let firstTag = null
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+ let lastTag = null
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+
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+ // find first tag and last tag
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+ if (tagList.length > 0) {
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+ firstTag = tagList[0]
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+ lastTag = tagList[tagList.length - 1]
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+ }
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+
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+ if (firstTag === currentTag) {
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+ $scrollWrapper.scrollLeft = 0
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+ } else if (lastTag === currentTag) {
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+ $scrollWrapper.scrollLeft = $scrollWrapper.scrollWidth - $containerWidth
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+ } else {
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+ // find preTag and nextTag
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+ const currentIndex = tagList.findIndex(item => item === currentTag)
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+ const prevTag = tagList[currentIndex - 1]
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+ const nextTag = tagList[currentIndex + 1]
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+
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+ // the tag's offsetLeft after of nextTag
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+ const afterNextTagOffsetLeft = nextTag.$el.offsetLeft + nextTag.$el.offsetWidth + tagAndTagSpacing
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+
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+ // the tag's offsetLeft before of prevTag
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+ const beforePrevTagOffsetLeft = prevTag.$el.offsetLeft - tagAndTagSpacing
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+
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+ if (afterNextTagOffsetLeft > $scrollWrapper.scrollLeft + $containerWidth) {
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+ $scrollWrapper.scrollLeft = afterNextTagOffsetLeft - $containerWidth
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+ } else if (beforePrevTagOffsetLeft < $scrollWrapper.scrollLeft) {
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+ $scrollWrapper.scrollLeft = beforePrevTagOffsetLeft
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+ }
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+ }
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+ }
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+ }
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+}
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+</script>
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+
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+<style lang="scss" scoped>
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+.scroll-container {
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+ white-space: nowrap;
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+ position: relative;
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+ overflow: hidden;
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+ width: 100%;
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+ ::v-deep {
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+ .el-scrollbar__bar {
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+ bottom: 0px;
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+ }
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+ .el-scrollbar__wrap {
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+ height: 39px;
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+ }
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+ }
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+}
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+</style>
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zyj