parent
d19c64314f
commit
31225f5d14
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const Popover = {
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name: 'Popover',
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props: {
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// Action to trigger popover: either 'hover' or 'click'
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trigger: String,
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// Either 'top' or 'bottom'
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placement: String,
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// Takes object with properties 'x' and 'y', values of these can be
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// 'container' for using offsetParent as boundaries for either axis
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// or 'viewport'
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boundTo: Object,
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// Takes a top/bottom/left/right object, how much space to leave
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// between boundary and popover element
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margin: Object,
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// Takes a x/y object and tells how many pixels to offset from
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// anchor point on either axis
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offset: Object,
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// Additional styles you may want for the popover container
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popoverClass: String
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},
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data () {
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return {
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hidden: true,
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styles: { opacity: 0 },
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oldSize: { width: 0, height: 0 }
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}
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},
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methods: {
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updateStyles () {
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if (this.hidden) {
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this.styles = {
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opacity: 0
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}
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return
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}
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// Popover will be anchored around this element, trigger ref is the container, so
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// its children are what are inside the slot. Expect only one slot="trigger".
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const anchorEl = (this.$refs.trigger && this.$refs.trigger.children[0]) || this.$el
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const screenBox = anchorEl.getBoundingClientRect()
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// Screen position of the origin point for popover
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const origin = { x: screenBox.left + screenBox.width * 0.5, y: screenBox.top }
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const content = this.$refs.content
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// Minor optimization, don't call a slow reflow call if we don't have to
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const parentBounds = this.boundTo &&
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(this.boundTo.x === 'container' || this.boundTo.y === 'container') &&
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this.$el.offsetParent.getBoundingClientRect()
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const margin = this.margin || {}
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// What are the screen bounds for the popover? Viewport vs container
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// when using viewport, using default margin values to dodge the navbar
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const xBounds = this.boundTo && this.boundTo.x === 'container' ? {
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min: parentBounds.left + (margin.left || 0),
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max: parentBounds.right - (margin.right || 0)
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} : {
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min: 0 + (margin.left || 10),
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max: window.innerWidth - (margin.right || 10)
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}
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const yBounds = this.boundTo && this.boundTo.y === 'container' ? {
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min: parentBounds.top + (margin.top || 0),
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max: parentBounds.bottom - (margin.bottom || 0)
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} : {
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min: 0 + (margin.top || 50),
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max: window.innerHeight - (margin.bottom || 5)
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}
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let horizOffset = 0
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// If overflowing from left, move it so that it doesn't
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if ((origin.x - content.offsetWidth * 0.5) < xBounds.min) {
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horizOffset += -(origin.x - content.offsetWidth * 0.5) + xBounds.min
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}
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// If overflowing from right, move it so that it doesn't
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if ((origin.x + horizOffset + content.offsetWidth * 0.5) > xBounds.max) {
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horizOffset -= (origin.x + horizOffset + content.offsetWidth * 0.5) - xBounds.max
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}
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// Default to whatever user wished with placement prop
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let usingTop = this.placement !== 'bottom'
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// Handle special cases, first force to displaying on top if there's not space on bottom,
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// regardless of what placement value was. Then check if there's not space on top, and
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// force to bottom, again regardless of what placement value was.
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if (origin.y + content.offsetHeight > yBounds.max) usingTop = true
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if (origin.y - content.offsetHeight < yBounds.min) usingTop = false
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const yOffset = (this.offset && this.offset.y) || 0
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const translateY = usingTop
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? -anchorEl.offsetHeight - yOffset - content.offsetHeight
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: yOffset
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const xOffset = (this.offset && this.offset.x) || 0
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const translateX = (anchorEl.offsetWidth * 0.5) - content.offsetWidth * 0.5 + horizOffset + xOffset
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// Note, separate translateX and translateY avoids blurry text on chromium,
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// single translate or translate3d resulted in blurry text.
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this.styles = {
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opacity: 1,
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transform: `translateX(${Math.floor(translateX)}px) translateY(${Math.floor(translateY)}px)`
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}
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},
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showPopover () {
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if (this.hidden) this.$emit('show')
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this.hidden = false
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this.$nextTick(this.updateStyles)
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},
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hidePopover () {
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if (!this.hidden) this.$emit('close')
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this.hidden = true
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this.styles = { opacity: 0 }
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},
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onMouseenter (e) {
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if (this.trigger === 'hover') this.showPopover()
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},
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onMouseleave (e) {
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if (this.trigger === 'hover') this.hidePopover()
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},
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onClick (e) {
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if (this.trigger === 'click') {
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if (this.hidden) {
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this.showPopover()
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} else {
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this.hidePopover()
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}
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}
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},
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onClickOutside (e) {
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if (this.hidden) return
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if (this.$el.contains(e.target)) return
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this.hidePopover()
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}
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},
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updated () {
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// Monitor changes to content size, update styles only when content sizes have changed,
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// that should be the only time we need to move the popover box if we don't care about scroll
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// or resize
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const content = this.$refs.content
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if (!content) return
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if (this.oldSize.width !== content.offsetWidth || this.oldSize.height !== content.offsetHeight) {
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this.updateStyles()
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this.oldSize = { width: content.offsetWidth, height: content.offsetHeight }
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}
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},
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created () {
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document.addEventListener('click', this.onClickOutside)
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},
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destroyed () {
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document.removeEventListener('click', this.onClickOutside)
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this.hidePopover()
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}
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}
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export default Popover
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@ -0,0 +1,118 @@
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<template>
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<div
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@mouseenter="onMouseenter"
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@mouseleave="onMouseleave"
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>
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<div
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ref="trigger"
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@click="onClick"
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>
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<slot name="trigger" />
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</div>
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<div
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v-if="!hidden"
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ref="content"
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:style="styles"
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class="popover"
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:class="popoverClass"
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>
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<slot
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name="content"
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class="popover-inner"
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:close="hidePopover"
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/>
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</div>
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</div>
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</template>
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<script src="./popover.js" />
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<style lang=scss>
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@import '../../_variables.scss';
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.popover {
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z-index: 8;
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position: absolute;
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min-width: 0;
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transition: opacity 0.3s;
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box-shadow: 1px 1px 4px rgba(0,0,0,.6);
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box-shadow: var(--panelShadow);
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border-radius: $fallback--btnRadius;
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border-radius: var(--btnRadius, $fallback--btnRadius);
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background-color: $fallback--bg;
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background-color: var(--popover, $fallback--bg);
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color: $fallback--text;
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color: var(--popoverText, $fallback--text);
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--faint: var(--popoverFaintText, $fallback--faint);
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--faintLink: var(--popoverFaintLink, $fallback--faint);
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--lightText: var(--popoverLightText, $fallback--lightText);
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--postLink: var(--popoverPostLink, $fallback--link);
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--postFaintLink: var(--popoverPostFaintLink, $fallback--link);
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--icon: var(--popoverIcon, $fallback--icon);
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}
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.dropdown-menu {
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display: block;
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padding: .5rem 0;
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font-size: 1rem;
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text-align: left;
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list-style: none;
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max-width: 100vw;
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z-index: 10;
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white-space: nowrap;
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.dropdown-divider {
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height: 0;
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margin: .5rem 0;
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overflow: hidden;
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border-top: 1px solid $fallback--border;
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border-top: 1px solid var(--border, $fallback--border);
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}
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.dropdown-item {
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line-height: 21px;
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margin-right: 5px;
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overflow: auto;
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display: block;
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padding: .25rem 1.0rem .25rem 1.5rem;
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clear: both;
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font-weight: 400;
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text-align: inherit;
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white-space: nowrap;
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border: none;
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border-radius: 0px;
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background-color: transparent;
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box-shadow: none;
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width: 100%;
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height: 100%;
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--btnText: var(--popoverText, $fallback--text);
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&-icon {
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padding-left: 0.5rem;
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i {
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margin-right: 0.25rem;
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color: var(--menuPopoverIcon, $fallback--icon)
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}
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}
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&:active, &:hover {
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background-color: $fallback--lightBg;
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background-color: var(--selectedMenuPopover, $fallback--lightBg);
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color: $fallback--link;
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color: var(--selectedMenuPopoverText, $fallback--link);
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--faint: var(--selectedMenuPopoverFaintText, $fallback--faint);
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--faintLink: var(--selectedMenuPopoverFaintLink, $fallback--faint);
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--lightText: var(--selectedMenuPopoverLightText, $fallback--lightText);
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--icon: var(--selectedMenuPopoverIcon, $fallback--icon);
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i {
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color: var(--selectedMenuPopoverIcon, $fallback--icon);
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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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@import '../../_variables.scss';
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.tooltip.popover {
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z-index: 8;
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.popover-inner {
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box-shadow: 1px 1px 4px rgba(0,0,0,.6);
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box-shadow: var(--panelShadow);
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border-radius: $fallback--btnRadius;
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border-radius: var(--btnRadius, $fallback--btnRadius);
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background-color: $fallback--bg;
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background-color: var(--popover, $fallback--bg);
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color: $fallback--text;
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color: var(--popoverText, $fallback--text);
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--faint: var(--popoverFaintText, $fallback--faint);
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--faintLink: var(--popoverFaintLink, $fallback--faint);
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--lightText: var(--popoverLightText, $fallback--lightText);
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--postLink: var(--popoverPostLink, $fallback--link);
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--postFaintLink: var(--popoverPostFaintLink, $fallback--link);
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--icon: var(--popoverIcon, $fallback--icon);
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}
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.popover-arrow {
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width: 0;
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height: 0;
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border-style: solid;
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position: absolute;
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margin: 5px;
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border-color: $fallback--bg;
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border-color: var(--bg, $fallback--bg);
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}
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&[x-placement^="top"] {
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margin-bottom: 5px;
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.popover-arrow {
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border-width: 5px 5px 0 5px;
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border-left-color: transparent !important;
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border-right-color: transparent !important;
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border-bottom-color: transparent !important;
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bottom: -4px;
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left: calc(50% - 5px);
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margin-top: 0;
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margin-bottom: 0;
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}
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}
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&[x-placement^="bottom"] {
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margin-top: 5px;
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.popover-arrow {
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border-width: 0 5px 5px 5px;
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border-left-color: transparent !important;
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border-right-color: transparent !important;
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border-top-color: transparent !important;
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top: -4px;
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left: calc(50% - 5px);
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margin-top: 0;
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margin-bottom: 0;
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}
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}
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&[x-placement^="right"] {
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margin-left: 5px;
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.popover-arrow {
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border-width: 5px 5px 5px 0;
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border-left-color: transparent !important;
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border-top-color: transparent !important;
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border-bottom-color: transparent !important;
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left: -4px;
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top: calc(50% - 5px);
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margin-left: 0;
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margin-right: 0;
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}
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}
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&[x-placement^="left"] {
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margin-right: 5px;
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.popover-arrow {
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border-width: 5px 0 5px 5px;
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border-top-color: transparent !important;
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border-right-color: transparent !important;
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border-bottom-color: transparent !important;
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right: -4px;
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top: calc(50% - 5px);
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margin-left: 0;
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margin-right: 0;
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}
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}
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&[aria-hidden='true'] {
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visibility: hidden;
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opacity: 0;
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transition: opacity .15s, visibility .15s;
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}
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&[aria-hidden='false'] {
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visibility: visible;
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opacity: 1;
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transition: opacity .15s;
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}
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}
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.dropdown-menu {
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display: block;
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padding: .5rem 0;
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font-size: 1rem;
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text-align: left;
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list-style: none;
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max-width: 100vw;
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z-index: 10;
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.dropdown-divider {
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height: 0;
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margin: .5rem 0;
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overflow: hidden;
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border-top: 1px solid $fallback--border;
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border-top: 1px solid var(--border, $fallback--border);
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}
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.dropdown-item {
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line-height: 21px;
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margin-right: 5px;
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overflow: auto;
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display: block;
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padding: .25rem 1.0rem .25rem 1.5rem;
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clear: both;
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font-weight: 400;
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text-align: inherit;
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white-space: normal;
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border: none;
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border-radius: 0px;
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background-color: transparent;
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box-shadow: none;
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width: 100%;
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height: 100%;
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--btnText: var(--popoverText, $fallback--text);
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&-icon {
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padding-left: 0.5rem;
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i {
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margin-right: 0.25rem;
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}
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}
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&:active, &:hover {
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background-color: $fallback--lightBg;
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background-color: var(--selectedMenuPopover, $fallback--lightBg);
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color: $fallback--link;
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color: var(--selectedMenuPopoverText, $fallback--link);
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--faint: var(--selectedMenuPopoverFaintText, $fallback--faint);
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--faintLink: var(--selectedMenuPopoverFaintLink, $fallback--faint);
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--lightText: var(--selectedMenuPopoverLightText, $fallback--lightText);
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--icon: var(--selectedMenuPopoverIcon, $fallback--icon);
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i {
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color: var(--selectedMenuPopoverIcon, $fallback--icon);
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}
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}
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}
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}
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Loading…
Reference in new issue