diff options
Diffstat (limited to 'app/assets/javascripts/image_diff/replaced_image_diff.js')
-rw-r--r-- | app/assets/javascripts/image_diff/replaced_image_diff.js | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/app/assets/javascripts/image_diff/replaced_image_diff.js b/app/assets/javascripts/image_diff/replaced_image_diff.js new file mode 100644 index 00000000000..4abd13fb472 --- /dev/null +++ b/app/assets/javascripts/image_diff/replaced_image_diff.js @@ -0,0 +1,92 @@ +import imageDiffHelper from './helpers/index'; +import { viewTypes, isValidViewType } from './view_types'; +import ImageDiff from './image_diff'; + +export default class ReplacedImageDiff extends ImageDiff { + init(defaultViewType = viewTypes.TWO_UP) { + this.imageFrameEls = { + [viewTypes.TWO_UP]: this.el.querySelector('.two-up .js-image-frame'), + [viewTypes.SWIPE]: this.el.querySelector('.swipe .js-image-frame'), + [viewTypes.ONION_SKIN]: this.el.querySelector('.onion-skin .js-image-frame'), + }; + + const viewModesEl = this.el.querySelector('.view-modes-menu'); + this.viewModesEls = { + [viewTypes.TWO_UP]: viewModesEl.querySelector('.two-up'), + [viewTypes.SWIPE]: viewModesEl.querySelector('.swipe'), + [viewTypes.ONION_SKIN]: viewModesEl.querySelector('.onion-skin'), + }; + + this.currentView = defaultViewType; + this.generateImageEls(); + this.bindEvents(); + } + + generateImageEls() { + this.imageEls = {}; + + const viewTypeNames = Object.getOwnPropertyNames(viewTypes); + viewTypeNames.forEach((viewType) => { + this.imageEls[viewType] = this.imageFrameEls[viewType].querySelector('img'); + }); + } + + bindEvents() { + super.bindEvents(); + + this.changeToViewTwoUp = this.changeView.bind(this, viewTypes.TWO_UP); + this.changeToViewSwipe = this.changeView.bind(this, viewTypes.SWIPE); + this.changeToViewOnionSkin = this.changeView.bind(this, viewTypes.ONION_SKIN); + + this.viewModesEls[viewTypes.TWO_UP].addEventListener('click', this.changeToViewTwoUp); + this.viewModesEls[viewTypes.SWIPE].addEventListener('click', this.changeToViewSwipe); + this.viewModesEls[viewTypes.ONION_SKIN].addEventListener('click', this.changeToViewOnionSkin); + } + + get imageEl() { + return this.imageEls[this.currentView]; + } + + get imageFrameEl() { + return this.imageFrameEls[this.currentView]; + } + + changeView(newView) { + if (!isValidViewType(newView)) { + return; + } + + const indicator = imageDiffHelper.removeCommentIndicator(this.imageFrameEl); + + this.currentView = newView; + + // Clear existing badges on new view + const existingBadges = this.imageFrameEl.querySelectorAll('.badge'); + [...existingBadges].map(badge => badge.remove()); + + // Remove existing references to old view image badges + this.imageBadges = []; + + // Image_file.js has a fade animation of 200ms for loading the view + // Need to wait an additional 250ms for the images to be displayed + // on window in order to re-normalize their dimensions + setTimeout(this.renderNewView.bind(this, indicator), 250); + } + + renderNewView(indicator) { + // Generate badge coordinates on new view + this.renderBadges(); + + // Re-render indicator in new view + if (indicator.removed) { + const normalizedIndicator = imageDiffHelper + .resizeCoordinatesToImageElement(this.imageEl, { + x: indicator.x, + y: indicator.y, + width: indicator.image.width, + height: indicator.image.height, + }); + imageDiffHelper.showCommentIndicator(this.imageFrameEl, normalizedIndicator); + } + } +} |