1.tags过多时，显示滚动条(不可按住滑动)
2.右键tags显示关闭多个tag的菜单 3.优化scrollPane滚轮滚动，计算偏移量的逻辑
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lei.jiang
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e7f626f015
commit
5487fceedc
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@ -3,57 +3,89 @@
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<div class="scroll-wrapper" ref="scrollWrapper" :style="{left: left + 'px'}">
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<slot></slot>
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</div>
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<div class="bar-container" v-show="isOverflow" ref="scrollbarContainer">
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<div class="scrollbar" ref="scrollbar">
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</div>
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</div>
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</div>
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</template>
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<script>
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const padding = 15 // tag's padding
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const padding = 30 // tag's padding
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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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left: 0,
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isOverflow: false,
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container: undefined,
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containerWidth: undefined,
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wrapper: undefined,
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wrapperWidth: undefined,
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scrollbarContainer: undefined,
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scrollbarContainerWidth: undefined,
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scrollbar: undefined,
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scrollbarWidth: undefined
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}
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},
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mounted() {
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this.container = this.$refs.scrollContainer
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this.wrapper = this.$refs.scrollWrapper
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this.scrollbarContainer = this.$refs.scrollbarContainer
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this.scrollbar = this.$refs.scrollbar
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this.calcSize()
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window.addEventListener('resize', () => {
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this.$forceUpdate()
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this.calcSize()
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}, false)
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},
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methods: {
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handleScroll(e) {
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e.preventDefault()
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const $container = this.$refs.scrollContainer
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const $containerWidth = $container.offsetWidth
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const $wrapper = this.$refs.scrollWrapper
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const $wrapperWidth = $wrapper.offsetWidth
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if (e.wheelDelta > 0) {
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this.left = Math.min(0, this.left + e.wheelDelta)
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} else {
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if ($containerWidth - padding < $wrapperWidth) {
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if (this.left < -($wrapperWidth - $containerWidth + padding)) {
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this.left = this.left
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} else {
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this.left = Math.max(this.left + e.wheelDelta, $containerWidth - $wrapperWidth - padding)
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}
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} else {
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this.left = 0
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}
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calcPos() {
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if (this.isOverflow) {
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this.scrollbar.style.left = -(this.scrollbarContainerWidth - this.scrollbarWidth) * this.left / (this.wrapperWidth - this.containerWidth + padding) + 'px'
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}
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},
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calcSize() {
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// 计算滚动条的长度
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this.containerWidth = parseFloat(this.container.offsetWidth, 10)
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this.wrapperWidth = parseFloat(this.wrapper.offsetWidth, 10)
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this.scrollbarContainerWidth = parseFloat(this.scrollbarContainer.offsetWidth, 10)
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this.isOverflow = this.wrapperWidth + padding > this.containerWidth
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if (!this.isOverflow) return false
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this.scrollbarWidth = this.scrollbarContainerWidth * this.containerWidth / (this.wrapperWidth + padding)
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this.scrollbar.style.width = this.scrollbarWidth + 'px'
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this.calcPos()
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},
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handleScroll(e) {
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e.preventDefault()
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if (e.wheelDelta > 0) {
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// when whell up
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this.left = Math.min(0, this.left + e.wheelDelta)
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} else {
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// when wheel down
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// this.left∈[-(this.wrapperWidth-this.containerWidth+100),0]
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if (this.left >= -(this.wrapperWidth - this.containerWidth + padding)) {
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this.left = Math.max(this.left + e.wheelDelta, this.containerWidth - this.wrapperWidth - padding)
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}
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}
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this.calcPos()
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},
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moveToTarget($target) {
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const $container = this.$refs.scrollContainer
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const $containerWidth = $container.offsetWidth
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const $targetLeft = $target.offsetLeft
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const $targetWidth = $target.offsetWidth
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if ($targetLeft < -this.left) {
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// tag in the left
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this.left = -$targetLeft + padding
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} else if ($targetLeft + padding > -this.left && $targetLeft + $targetWidth < -this.left + $containerWidth - padding) {
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} else if ($targetLeft + padding > -this.left && $targetLeft + $targetWidth < -this.left + this.containerWidth - padding) {
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// tag in the current view
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// eslint-disable-line
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} else {
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// tag in the right
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this.left = -($targetLeft - ($containerWidth - $targetWidth) + padding)
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this.left = -($targetLeft - (this.containerWidth - $targetWidth) + padding)
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}
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this.calcSize()
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}
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}
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}
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@ -67,5 +99,18 @@ export default {
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.scroll-wrapper {
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position: absolute;
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}
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.bar-container{
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position: absolute;
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bottom: 0;
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width:100%;
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height: 3px;
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.scrollbar{
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position: absolute;
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top: 0;
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height: 100%;
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background: rgba(0,0,0,.8);
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border-radius: 1.5px;
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}
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}
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}
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</style>
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@ -29,6 +29,25 @@ const tagsView = {
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break
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}
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}
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},
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DEL_OTHER_VIEWS: (state, view) => {
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for (const [i, v] of state.visitedViews.entries()) {
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if (v.path === view.path) {
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state.visitedViews = [].concat(state.visitedViews.slice(i, i + 1))
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break
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}
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}
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for (const i of state.cachedViews) {
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if (i === view.name) {
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const index = state.cachedViews.indexOf(i)
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state.cachedViews = [].concat(state.cachedViews.slice(index, i + 1))
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break
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}
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}
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},
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DEL_ALL_VIEWS: (state) => {
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state.visitedViews = []
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state.cachedViews = []
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}
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},
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actions: {
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@ -40,6 +59,18 @@ const tagsView = {
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commit('DEL_VISITED_VIEWS', view)
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resolve([...state.visitedViews])
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})
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},
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delOtherViews({ commit, state }, view) {
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return new Promise((resolve) => {
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commit('DEL_OTHER_VIEWS', view)
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resolve([...state.visitedViews])
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})
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},
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delAllViews({ commit, state }) {
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return new Promise((resolve) => {
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commit('DEL_ALL_VIEWS')
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resolve([...state.visitedViews])
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})
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}
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}
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}
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@ -1,18 +1,36 @@
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<template>
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<div class="tag-container">
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<scroll-pane class='tags-view-container' ref='scrollPane'>
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<router-link ref='tag' class="tags-view-item" :class="isActive(tag)?'active':''" v-for="tag in Array.from(visitedViews)" :to="tag.path":key="tag.path">
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<router-link ref='tag' class="tags-view-item" :class="isActive(tag)?'active':''" v-for="tag in Array.from(visitedViews)" :to="tag.path":key="tag.path" @contextmenu.prevent.native="openMenu(tag,$event)" v-Clickoutside="closeMenu">
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{{generateTitle(tag.title)}}
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<span class='el-icon-close' @click='closeViewTags(tag,$event)'></span>
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</router-link>
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</scroll-pane>
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<ul class='contextmenu' v-show="open" :style="{left:left+'px',top:top+'px'}">
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<li @click="closePage(0,$event)">关闭</li>
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<li @click="closePage(1,$event)">关闭其他</li>
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<li @click="closePage(2,$event)">关闭所有</li>
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</ul>
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</div>
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</template>
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<script>
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import ScrollPane from '@/components/ScrollPane'
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import Clickoutside from 'element-ui/src/utils/clickoutside'
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import { generateTitle } from '@/utils/i18n'
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export default {
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components: { ScrollPane },
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directives: { Clickoutside },
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data() {
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return {
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open: false,
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isOverflow: false,
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top: 0,
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left: 0,
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isSelect: {}
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}
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},
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computed: {
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visitedViews() {
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return this.$store.state.tagsView.visitedViews
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@ -21,6 +39,9 @@ export default {
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mounted() {
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this.addViewTags()
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},
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updated() {
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this.$nextTick(this.$refs.scrollPane.calcSize())
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},
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methods: {
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generateTitle,
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closeViewTags(view, $event) {
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@ -36,6 +57,20 @@ export default {
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})
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$event.preventDefault()
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},
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closePage(flag, $event) {
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if (flag === 0) {
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this.closeViewTags(this.isSelect, $event)
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} else if (flag === 1) {
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this.$router.push(this.isSelect.path)
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this.$store.dispatch('delOtherViews', this.isSelect)
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$event.preventDefault()
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} else {
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this.$router.push('/')
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this.$store.dispatch('delAllViews')
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$event.preventDefault()
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}
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this.open = false
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},
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generateRoute() {
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if (this.$route.name) {
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return this.$route
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@ -62,6 +97,15 @@ export default {
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}
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}
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})
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},
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openMenu(tag, e) {
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this.open = true
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this.isSelect = tag
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this.left = e.clientX
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this.top = e.clientY
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},
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closeMenu() {
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this.open = false
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}
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},
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watch: {
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@ -74,6 +118,26 @@ export default {
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</script>
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<style rel="stylesheet/scss" lang="scss" scoped>
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.tag-container {
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.contextmenu {
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margin: 0;
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background: #fff;
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z-index: 99999;
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position: absolute;
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list-style-type: none;
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padding-left: 0;
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border: 1px solid rgba(0, 0, 0, 0.4);
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font-size: 0.8rem;
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box-shadow: 2px 2px 3px 0 rgba(0, 0, 0, .5);
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li {
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margin: 0;
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padding: 0.2rem 1.5rem 0.3rem 0.8rem;
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&:hover {
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background: #eee;
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cursor: default;
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}
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}
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}
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.tags-view-container {
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background: #fff;
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height: 34px;
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@ -111,6 +175,7 @@ export default {
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}
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}
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}
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}
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</style>
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<style rel="stylesheet/scss" lang="scss">
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