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Diffstat (limited to 'app/assets/javascripts/design_management_legacy/components/design_presentation.vue')
| -rw-r--r-- | app/assets/javascripts/design_management_legacy/components/design_presentation.vue | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/app/assets/javascripts/design_management_legacy/components/design_presentation.vue b/app/assets/javascripts/design_management_legacy/components/design_presentation.vue deleted file mode 100644 index 84dbb2809d9..00000000000 --- a/app/assets/javascripts/design_management_legacy/components/design_presentation.vue +++ /dev/null @@ -1,322 +0,0 @@ -<script> -import { throttle } from 'lodash'; -import DesignImage from './image.vue'; -import DesignOverlay from './design_overlay.vue'; - -const CLICK_DRAG_BUFFER_PX = 2; - -export default { - components: { - DesignImage, - DesignOverlay, - }, - props: { - image: { - type: String, - required: false, - default: '', - }, - imageName: { - type: String, - required: false, - default: '', - }, - discussions: { - type: Array, - required: true, - }, - isAnnotating: { - type: Boolean, - required: false, - default: false, - }, - scale: { - type: Number, - required: false, - default: 1, - }, - resolvedDiscussionsExpanded: { - type: Boolean, - required: true, - }, - }, - data() { - return { - overlayDimensions: null, - overlayPosition: null, - currentAnnotationPosition: null, - zoomFocalPoint: { - x: 0, - y: 0, - width: 0, - height: 0, - }, - initialLoad: true, - lastDragPosition: null, - isDraggingDesign: false, - }; - }, - computed: { - discussionStartingNotes() { - return this.discussions.map(discussion => ({ - ...discussion.notes[0], - index: discussion.index, - })); - }, - currentCommentForm() { - return (this.isAnnotating && this.currentAnnotationPosition) || null; - }, - presentationStyle() { - return { - cursor: this.isDraggingDesign ? 'grabbing' : undefined, - }; - }, - }, - beforeDestroy() { - const { presentationViewport } = this.$refs; - if (!presentationViewport) return; - - presentationViewport.removeEventListener('scroll', this.scrollThrottled, false); - }, - mounted() { - const { presentationViewport } = this.$refs; - if (!presentationViewport) return; - - this.scrollThrottled = throttle(() => { - this.shiftZoomFocalPoint(); - }, 400); - - presentationViewport.addEventListener('scroll', this.scrollThrottled, false); - }, - methods: { - syncCurrentAnnotationPosition() { - if (!this.currentAnnotationPosition) return; - - const widthRatio = this.overlayDimensions.width / this.currentAnnotationPosition.width; - const heightRatio = this.overlayDimensions.height / this.currentAnnotationPosition.height; - const x = this.currentAnnotationPosition.x * widthRatio; - const y = this.currentAnnotationPosition.y * heightRatio; - - this.currentAnnotationPosition = this.getAnnotationPositon({ x, y }); - }, - setOverlayDimensions(overlayDimensions) { - this.overlayDimensions = overlayDimensions; - - // every time we set overlay dimensions, we need to - // update the current annotation as well - this.syncCurrentAnnotationPosition(); - }, - setOverlayPosition() { - if (!this.overlayDimensions) { - this.overlayPosition = {}; - } - - const { presentationViewport } = this.$refs; - if (!presentationViewport) return; - - // default to center - this.overlayPosition = { - left: `calc(50% - ${this.overlayDimensions.width / 2}px)`, - top: `calc(50% - ${this.overlayDimensions.height / 2}px)`, - }; - - // if the overlay overflows, then don't center - if (this.overlayDimensions.width > presentationViewport.offsetWidth) { - this.overlayPosition.left = '0'; - } - if (this.overlayDimensions.height > presentationViewport.offsetHeight) { - this.overlayPosition.top = '0'; - } - }, - /** - * Return a point that represents the center of an - * overflowing child element w.r.t it's parent - */ - getViewportCenter() { - const { presentationViewport } = this.$refs; - if (!presentationViewport) return {}; - - // get height of scroll bars (i.e. the max values for scrollTop, scrollLeft) - const scrollBarWidth = presentationViewport.scrollWidth - presentationViewport.offsetWidth; - const scrollBarHeight = presentationViewport.scrollHeight - presentationViewport.offsetHeight; - - // determine how many child pixels have been scrolled - const xScrollRatio = - presentationViewport.scrollLeft > 0 ? presentationViewport.scrollLeft / scrollBarWidth : 0; - const yScrollRatio = - presentationViewport.scrollTop > 0 ? presentationViewport.scrollTop / scrollBarHeight : 0; - const xScrollOffset = - (presentationViewport.scrollWidth - presentationViewport.offsetWidth - 0) * xScrollRatio; - const yScrollOffset = - (presentationViewport.scrollHeight - presentationViewport.offsetHeight - 0) * yScrollRatio; - - const viewportCenterX = presentationViewport.offsetWidth / 2; - const viewportCenterY = presentationViewport.offsetHeight / 2; - const focalPointX = viewportCenterX + xScrollOffset; - const focalPointY = viewportCenterY + yScrollOffset; - - return { - x: focalPointX, - y: focalPointY, - }; - }, - /** - * Scroll the viewport such that the focal point is positioned centrally - */ - scrollToFocalPoint() { - const { presentationViewport } = this.$refs; - if (!presentationViewport) return; - - const scrollX = this.zoomFocalPoint.x - presentationViewport.offsetWidth / 2; - const scrollY = this.zoomFocalPoint.y - presentationViewport.offsetHeight / 2; - - presentationViewport.scrollTo(scrollX, scrollY); - }, - scaleZoomFocalPoint() { - const { x, y, width, height } = this.zoomFocalPoint; - const widthRatio = this.overlayDimensions.width / width; - const heightRatio = this.overlayDimensions.height / height; - - this.zoomFocalPoint = { - x: Math.round(x * widthRatio * 100) / 100, - y: Math.round(y * heightRatio * 100) / 100, - ...this.overlayDimensions, - }; - }, - shiftZoomFocalPoint() { - this.zoomFocalPoint = { - ...this.getViewportCenter(), - ...this.overlayDimensions, - }; - }, - onImageResize(imageDimensions) { - this.setOverlayDimensions(imageDimensions); - this.setOverlayPosition(); - - this.$nextTick(() => { - if (this.initialLoad) { - // set focal point on initial load - this.shiftZoomFocalPoint(); - this.initialLoad = false; - } else { - this.scaleZoomFocalPoint(); - this.scrollToFocalPoint(); - } - }); - }, - getAnnotationPositon(coordinates) { - const { x, y } = coordinates; - const { width, height } = this.overlayDimensions; - return { - x: Math.round(x), - y: Math.round(y), - width: Math.round(width), - height: Math.round(height), - }; - }, - openCommentForm(coordinates) { - this.currentAnnotationPosition = this.getAnnotationPositon(coordinates); - this.$emit('openCommentForm', this.currentAnnotationPosition); - }, - closeCommentForm() { - this.currentAnnotationPosition = null; - this.$emit('closeCommentForm'); - }, - moveNote({ noteId, discussionId, coordinates }) { - const position = this.getAnnotationPositon(coordinates); - this.$emit('moveNote', { noteId, discussionId, position }); - }, - onPresentationMousedown({ clientX, clientY }) { - if (!this.isDesignOverflowing()) return; - - this.lastDragPosition = { - x: clientX, - y: clientY, - }; - }, - getDragDelta(clientX, clientY) { - return { - deltaX: this.lastDragPosition.x - clientX, - deltaY: this.lastDragPosition.y - clientY, - }; - }, - exceedsDragThreshold(clientX, clientY) { - const { deltaX, deltaY } = this.getDragDelta(clientX, clientY); - - return Math.abs(deltaX) > CLICK_DRAG_BUFFER_PX || Math.abs(deltaY) > CLICK_DRAG_BUFFER_PX; - }, - shouldDragDesign(clientX, clientY) { - return ( - this.lastDragPosition && - (this.isDraggingDesign || this.exceedsDragThreshold(clientX, clientY)) - ); - }, - onPresentationMousemove({ clientX, clientY }) { - const { presentationViewport } = this.$refs; - if (!presentationViewport || !this.shouldDragDesign(clientX, clientY)) return; - - this.isDraggingDesign = true; - - const { scrollLeft, scrollTop } = presentationViewport; - const { deltaX, deltaY } = this.getDragDelta(clientX, clientY); - presentationViewport.scrollTo(scrollLeft + deltaX, scrollTop + deltaY); - - this.lastDragPosition = { - x: clientX, - y: clientY, - }; - }, - onPresentationMouseup() { - this.lastDragPosition = null; - this.isDraggingDesign = false; - }, - isDesignOverflowing() { - const { presentationViewport } = this.$refs; - if (!presentationViewport) return false; - - return ( - presentationViewport.scrollWidth > presentationViewport.offsetWidth || - presentationViewport.scrollHeight > presentationViewport.offsetHeight - ); - }, - }, -}; -</script> - -<template> - <div - ref="presentationViewport" - class="h-100 w-100 p-3 overflow-auto position-relative" - :style="presentationStyle" - @mousedown="onPresentationMousedown" - @mousemove="onPresentationMousemove" - @mouseup="onPresentationMouseup" - @mouseleave="onPresentationMouseup" - @touchstart="onPresentationMousedown" - @touchmove="onPresentationMousemove" - @touchend="onPresentationMouseup" - @touchcancel="onPresentationMouseup" - > - <div class="h-100 w-100 d-flex align-items-center position-relative"> - <design-image - v-if="image" - :image="image" - :name="imageName" - :scale="scale" - @resize="onImageResize" - /> - <design-overlay - v-if="overlayDimensions && overlayPosition" - :dimensions="overlayDimensions" - :position="overlayPosition" - :notes="discussionStartingNotes" - :current-comment-form="currentCommentForm" - :disable-commenting="isDraggingDesign" - :resolved-discussions-expanded="resolvedDiscussionsExpanded" - @openCommentForm="openCommentForm" - @closeCommentForm="closeCommentForm" - @moveNote="moveNote" - /> - </div> - </div> -</template> |