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137
src/components/common/vuestic-scrollbar/VuesticScrollbar.vue
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| <template> | ||
| <div class="vuestic-scrollbar"> | ||
| <div class="scrollbar-wrapper"> | ||
| <div class="scrollbar-content"> | ||
| <slot></slot> | ||
| </div> | ||
| <div class="track"><div class="thumb"></div></div> | ||
| </div> | ||
| </div> | ||
| </template> | ||
|
|
||
| <script> | ||
| let erdMaker = require('element-resize-detector') | ||
| let erd = erdMaker() | ||
| let vm = { | ||
| props: { | ||
| speed: { | ||
| default: 20 | ||
| } | ||
| }, | ||
| methods: { | ||
| calcSize () { | ||
| console.log('test') | ||
| this.isDown = this.isUp = false | ||
| this.maxHeight = parseInt(this.wrapper.offsetHeight, 10) | ||
| this.contentHeight = parseInt(this.content.offsetHeight, 10) | ||
| this.trackHeight = parseInt(this.track.offsetHeight, 10) | ||
| this.thumb.style.height = this.maxHeight / this.contentHeight < 1 | ||
| ? this.maxHeight / this.contentHeight * this.trackHeight + 'px' | ||
| : 0 | ||
| }, | ||
| calcThumb () { | ||
| let currentMT = this.content.style.marginTop === '' | ||
| ? 0 | ||
| : parseInt(this.content.style.marginTop, 10) | ||
| this.thumb.style.top = (-currentMT / this.contentHeight * this.trackHeight) + 'px' | ||
| }, | ||
| scroll (e) { | ||
| let delta = (e.deltaY * 0.01 * this.speed) | ||
| if (this.isDown && delta > 0 || this.isUp && delta < 0 || this.contentHeight <= this.maxHeight) { | ||
| e.preventDefault() | ||
| return | ||
| } | ||
| let currentMT = this.content.style.marginTop === '' | ||
| ? 0 | ||
| : parseInt(this.content.style.marginTop, 10) | ||
| let nextMT = 0 | ||
| if (this.maxHeight - (currentMT - delta * this.speed) > this.contentHeight && delta > 0) { | ||
| nextMT = this.maxHeight - this.contentHeight | ||
| this.isDown = true | ||
| } else { | ||
| this.isDown = false | ||
| if (currentMT - delta > 0) { | ||
| this.isUp = true | ||
| nextMT = 0 | ||
| } else { | ||
| nextMT = currentMT - delta | ||
| this.isUp = false | ||
| } | ||
| } | ||
| this.content.style.marginTop = nextMT + 'px' | ||
| this.calcThumb() | ||
| e.preventDefault() | ||
| } | ||
| }, | ||
| mounted () { | ||
| this.track = this.$el.getElementsByClassName('track')[0] | ||
| this.thumb = this.track.getElementsByClassName('thumb')[0] | ||
| this.content = this.$el.getElementsByClassName('scrollbar-content')[0] | ||
| this.wrapper = this.$el.getElementsByClassName('scrollbar-wrapper')[0] | ||
| let handler = () => { | ||
| this.calcSize() | ||
| this.calcThumb() | ||
| } | ||
| erd.listenTo(this.content, handler) | ||
| erd.listenTo(this.$el, handler) | ||
| this.$el.addEventListener('wheel', this.scroll, false) | ||
| }, | ||
| destroyed () { | ||
| erd.removeAllListeners(this.content) | ||
| erd.removeAllListeners(this.$el) | ||
| this.$el.removeEventListener('wheel', this.scroll, false) | ||
| }, | ||
| data () { | ||
| return { | ||
| displayedHeight: undefined, | ||
| wrapper: undefined, | ||
| maxHeight: undefined, | ||
| thumb: undefined, | ||
| track: undefined, | ||
| trackHeight: undefined, | ||
| content: undefined, | ||
| contentHeight: undefined, | ||
| isDown: false, | ||
| isUp: true | ||
| } | ||
| } | ||
| } | ||
| module.exports = vm | ||
| </script> | ||
|
|
||
| <style lang="scss"> | ||
| .vuestic-scrollbar { | ||
| position: relative; | ||
| height: 100%; | ||
| .scrollbar-wrapper { | ||
| height: 100%; | ||
| overflow: hidden; | ||
| } | ||
| .track { | ||
| position: absolute; | ||
| right: 0; | ||
| top: 0; | ||
| height: 100%; | ||
| width: 3px; | ||
| .thumb { | ||
| position: absolute; | ||
| width: 3px; | ||
| background-color: black; | ||
| opacity: .3; | ||
| } | ||
| } | ||
| &:hover { | ||
| .thumb { | ||
| opacity: 1 !important; | ||
| } | ||
| } | ||
| } | ||
| </style> |
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