91 lines
3 KiB
JavaScript
91 lines
3 KiB
JavaScript
import imageDiffHelper from './helpers/index';
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import ImageDiff from './image_diff';
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import { viewTypes, isValidViewType } from './view_types';
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export default class ReplacedImageDiff extends ImageDiff {
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init(defaultViewType = viewTypes.TWO_UP) {
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this.imageFrameEls = {
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[viewTypes.TWO_UP]: this.el.querySelector('.two-up .js-image-frame'),
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[viewTypes.SWIPE]: this.el.querySelector('.swipe .js-image-frame'),
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[viewTypes.ONION_SKIN]: this.el.querySelector('.onion-skin .js-image-frame'),
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};
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const viewModesEl = this.el.querySelector('.view-modes-menu');
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this.viewModesEls = {
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[viewTypes.TWO_UP]: viewModesEl.querySelector('.two-up'),
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[viewTypes.SWIPE]: viewModesEl.querySelector('.swipe'),
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[viewTypes.ONION_SKIN]: viewModesEl.querySelector('.onion-skin'),
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};
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this.currentView = defaultViewType;
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this.generateImageEls();
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this.bindEvents();
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}
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generateImageEls() {
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this.imageEls = {};
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const viewTypeNames = Object.getOwnPropertyNames(viewTypes);
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viewTypeNames.forEach((viewType) => {
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this.imageEls[viewType] = this.imageFrameEls[viewType].querySelector('img');
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});
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}
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bindEvents() {
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super.bindEvents();
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this.changeToViewTwoUp = this.changeView.bind(this, viewTypes.TWO_UP);
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this.changeToViewSwipe = this.changeView.bind(this, viewTypes.SWIPE);
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this.changeToViewOnionSkin = this.changeView.bind(this, viewTypes.ONION_SKIN);
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this.viewModesEls[viewTypes.TWO_UP].addEventListener('click', this.changeToViewTwoUp);
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this.viewModesEls[viewTypes.SWIPE].addEventListener('click', this.changeToViewSwipe);
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this.viewModesEls[viewTypes.ONION_SKIN].addEventListener('click', this.changeToViewOnionSkin);
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}
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get imageEl() {
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return this.imageEls[this.currentView];
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}
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get imageFrameEl() {
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return this.imageFrameEls[this.currentView];
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}
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changeView(newView) {
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if (!isValidViewType(newView)) {
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return;
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}
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const indicator = imageDiffHelper.removeCommentIndicator(this.imageFrameEl);
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this.currentView = newView;
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// Clear existing badges on new view
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const existingBadges = this.imageFrameEl.querySelectorAll('.design-note-pin');
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[...existingBadges].map((badge) => badge.remove());
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// Remove existing references to old view image badges
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this.imageBadges = [];
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// Image_file.js has a fade animation of 200ms for loading the view
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// Need to wait an additional 250ms for the images to be displayed
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// on window in order to re-normalize their dimensions
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setTimeout(this.renderNewView.bind(this, indicator), 250);
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}
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renderNewView(indicator) {
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// Generate badge coordinates on new view
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this.renderBadges();
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// Re-render indicator in new view
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if (indicator.removed) {
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const normalizedIndicator = imageDiffHelper.resizeCoordinatesToImageElement(this.imageEl, {
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x: indicator.x,
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y: indicator.y,
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width: indicator.image.width,
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height: indicator.image.height,
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});
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imageDiffHelper.showCommentIndicator(this.imageFrameEl, normalizedIndicator);
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}
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}
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}
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