diff options
Diffstat (limited to 'src/components/popover/popover.js')
| -rw-r--r-- | src/components/popover/popover.js | 180 |
1 files changed, 132 insertions, 48 deletions
diff --git a/src/components/popover/popover.js b/src/components/popover/popover.js index a30a37c9..5dfcf810 100644 --- a/src/components/popover/popover.js +++ b/src/components/popover/popover.js @@ -31,13 +31,26 @@ const Popover = { // If true, subtract padding when calculating position for the popover, // use it when popover offset looks to be different on top vs bottom. - removePadding: Boolean + removePadding: Boolean, + + // self-explanatory (i hope) + disabled: Boolean, + + // Instead of putting popover next to anchor, overlay popover's center on top of anchor's center + overlayCenters: Boolean, + + // What selector (witin popover!) to use for determining center of popover + overlayCentersSelector: String }, + inject: ['popoversZLayer'], // override popover z layer data () { return { hidden: true, - styles: { opacity: 0 }, - oldSize: { width: 0, height: 0 } + styles: {}, + oldSize: { width: 0, height: 0 }, + scrollable: null, + // used to avoid blinking if hovered onto popover + graceTimeout: null } }, methods: { @@ -47,9 +60,7 @@ const Popover = { }, updateStyles () { if (this.hidden) { - this.styles = { - opacity: 0 - } + this.styles = {} return } @@ -57,14 +68,26 @@ const Popover = { // its children are what are inside the slot. Expect only one v-slot:trigger. const anchorEl = (this.$refs.trigger && this.$refs.trigger.children[0]) || this.$el // SVGs don't have offsetWidth/Height, use fallback - const anchorWidth = anchorEl.offsetWidth || anchorEl.clientWidth const anchorHeight = anchorEl.offsetHeight || anchorEl.clientHeight - const screenBox = anchorEl.getBoundingClientRect() - // Screen position of the origin point for popover - const origin = { x: screenBox.left + screenBox.width * 0.5, y: screenBox.top } + const anchorWidth = anchorEl.offsetWidth || anchorEl.clientWidth + const anchorScreenBox = anchorEl.getBoundingClientRect() + + const anchorStyle = getComputedStyle(anchorEl) + const topPadding = parseFloat(anchorStyle.paddingTop) + const bottomPadding = parseFloat(anchorStyle.paddingBottom) + + // Screen position of the origin point for popover = center of the anchor + const origin = { + x: anchorScreenBox.left + anchorWidth * 0.5, + y: anchorScreenBox.top + anchorHeight * 0.5 + } const content = this.$refs.content + const overlayCenter = this.overlayCenters + ? this.$refs.content.querySelector(this.overlayCentersSelector) + : null + // Minor optimization, don't call a slow reflow call if we don't have to - const parentBounds = this.boundTo && + const parentScreenBox = this.boundTo && (this.boundTo.x === 'container' || this.boundTo.y === 'container') && this.containerBoundingClientRect() @@ -73,81 +96,133 @@ const Popover = { // What are the screen bounds for the popover? Viewport vs container // when using viewport, using default margin values to dodge the navbar const xBounds = this.boundTo && this.boundTo.x === 'container' ? { - min: parentBounds.left + (margin.left || 0), - max: parentBounds.right - (margin.right || 0) + min: parentScreenBox.left + (margin.left || 0), + max: parentScreenBox.right - (margin.right || 0) } : { min: 0 + (margin.left || 10), max: window.innerWidth - (margin.right || 10) } const yBounds = this.boundTo && this.boundTo.y === 'container' ? { - min: parentBounds.top + (margin.top || 0), - max: parentBounds.bottom - (margin.bottom || 0) + min: parentScreenBox.top + (margin.top || 0), + max: parentScreenBox.bottom - (margin.bottom || 0) } : { min: 0 + (margin.top || 50), max: window.innerHeight - (margin.bottom || 5) } let horizOffset = 0 + let vertOffset = 0 + if (overlayCenter) { + const box = content.getBoundingClientRect() + const overlayCenterScreenBox = overlayCenter.getBoundingClientRect() + const leftInnerOffset = overlayCenterScreenBox.left - box.left + const topInnerOffset = overlayCenterScreenBox.top - box.top + horizOffset = -leftInnerOffset - overlayCenter.offsetWidth * 0.5 + vertOffset = -topInnerOffset - overlayCenter.offsetWidth * 0.5 + } else { + horizOffset = content.offsetWidth * -0.5 + vertOffset = content.offsetWidth * -0.5 + } + const leftBorder = origin.x + horizOffset + const rightBorder = origin.x - horizOffset // If overflowing from left, move it so that it doesn't - if ((origin.x - content.offsetWidth * 0.5) < xBounds.min) { - horizOffset += -(origin.x - content.offsetWidth * 0.5) + xBounds.min + if (leftBorder < xBounds.min) { + horizOffset += xBounds.min - leftBorder } // If overflowing from right, move it so that it doesn't - if ((origin.x + horizOffset + content.offsetWidth * 0.5) > xBounds.max) { - horizOffset -= (origin.x + horizOffset + content.offsetWidth * 0.5) - xBounds.max + if (rightBorder > xBounds.max) { + horizOffset -= rightBorder - xBounds.max } - // Default to whatever user wished with placement prop - let usingTop = this.placement !== 'bottom' + let translateX = 0 + let translateY = 0 - // Handle special cases, first force to displaying on top if there's not space on bottom, - // regardless of what placement value was. Then check if there's not space on top, and - // force to bottom, again regardless of what placement value was. - if (origin.y + content.offsetHeight > yBounds.max) usingTop = true - if (origin.y - content.offsetHeight < yBounds.min) usingTop = false + if (overlayCenter) { + translateX = origin.x + horizOffset + translateY = origin.y + vertOffset + } else { + // Default to whatever user wished with placement prop + let usingTop = this.placement !== 'bottom' - let vPadding = 0 - if (this.removePadding && usingTop) { - const anchorStyle = getComputedStyle(anchorEl) - vPadding = parseFloat(anchorStyle.paddingTop) + parseFloat(anchorStyle.paddingBottom) - } + // Handle special cases, first force to displaying on top if there's not space on bottom, + // regardless of what placement value was. Then check if there's not space on top, and + // force to bottom, again regardless of what placement value was. + const topBoundary = origin.y - anchorHeight * 0.5 + (this.removePadding ? topPadding : 0) + const bottomBoundary = origin.y + anchorHeight * 0.5 - (this.removePadding ? bottomPadding : 0) + if (bottomBoundary + content.offsetHeight > yBounds.max) usingTop = true + if (topBoundary - content.offsetHeight < yBounds.min) usingTop = false - const yOffset = (this.offset && this.offset.y) || 0 - const translateY = usingTop - ? -anchorHeight + vPadding - yOffset - content.offsetHeight - : yOffset + const yOffset = (this.offset && this.offset.y) || 0 + translateY = usingTop + ? topBoundary - yOffset - content.offsetHeight + : bottomBoundary + yOffset - const xOffset = (this.offset && this.offset.x) || 0 - const translateX = anchorWidth * 0.5 - content.offsetWidth * 0.5 + horizOffset + xOffset + const xOffset = (this.offset && this.offset.x) || 0 + translateX = origin.x + horizOffset + xOffset + } - // Note, separate translateX and translateY avoids blurry text on chromium, - // single translate or translate3d resulted in blurry text. this.styles = { - opacity: 1, - transform: `translateX(${Math.round(translateX)}px) translateY(${Math.round(translateY)}px)` + left: `${Math.round(translateX)}px`, + top: `${Math.round(translateY)}px` + } + + if (this.popoversZLayer) { + this.styles['--ZI_popover_override'] = `var(--ZI_${this.popoversZLayer}_popovers)` + } + if (parentScreenBox) { + this.styles.maxWidth = `${Math.round(parentScreenBox.width)}px` } }, showPopover () { + if (this.disabled) return const wasHidden = this.hidden this.hidden = false + if (this.trigger === 'click') { + document.addEventListener('click', this.onClickOutside) + } + this.scrollable.addEventListener('scroll', this.onScroll) + this.scrollable.addEventListener('resize', this.onResize) this.$nextTick(() => { if (wasHidden) this.$emit('show') this.updateStyles() }) }, hidePopover () { + if (this.disabled) return if (!this.hidden) this.$emit('close') this.hidden = true - this.styles = { opacity: 0 } + if (this.trigger === 'click') { + document.removeEventListener('click', this.onClickOutside) + } + this.scrollable.removeEventListener('scroll', this.onScroll) + this.scrollable.removeEventListener('resize', this.onResize) }, onMouseenter (e) { - if (this.trigger === 'hover') this.showPopover() + if (this.trigger === 'hover') { + clearTimeout(this.graceTimeout) + this.graceTimeout = null + this.showPopover() + } }, onMouseleave (e) { - if (this.trigger === 'hover') this.hidePopover() + if (this.trigger === 'hover') { + this.graceTimeout = setTimeout(() => this.hidePopover(), 1) + } + }, + onMouseenterContent (e) { + if (this.trigger === 'hover') { + clearTimeout(this.graceTimeout) + this.graceTimeout = null + this.showPopover() + } + }, + onMouseleaveContent (e) { + if (this.trigger === 'hover') { + this.graceTimeout = setTimeout(() => this.hidePopover(), 1) + } }, onClick (e) { if (this.trigger === 'click') { @@ -160,8 +235,15 @@ const Popover = { }, onClickOutside (e) { if (this.hidden) return + if (this.$refs.content.contains(e.target)) return if (this.$el.contains(e.target)) return this.hidePopover() + }, + onScroll (e) { + this.updateStyles() + }, + onResize (e) { + this.updateStyles() } }, updated () { @@ -175,11 +257,13 @@ const Popover = { this.oldSize = { width: content.offsetWidth, height: content.offsetHeight } } }, - created () { - document.addEventListener('click', this.onClickOutside) + mounted () { + let scrollable = this.$refs.trigger.closest('.column.-scrollable') || + this.$refs.trigger.closest('.mobile-notifications') + if (!scrollable) scrollable = window + this.scrollable = scrollable }, - unmounted () { - document.removeEventListener('click', this.onClickOutside) + beforeUnmount () { this.hidePopover() } } |
