mirror of
https://github.com/TryGhost/Ghost.git
synced 2024-12-21 09:52:06 +03:00
4407e8e49e
fixes https://github.com/TryGhost/Team/issues/2320 - Adds error handling when undefined objects are passed to certain upload functions such as `videoUploadCompleted`.
595 lines
18 KiB
JavaScript
595 lines
18 KiB
JavaScript
import Component from '@ember/component';
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import EmberObject, {action, computed, set} from '@ember/object';
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import classic from 'ember-classic-decorator';
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import {
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IMAGE_EXTENSIONS,
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IMAGE_MIME_TYPES
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} from 'ghost-admin/components/gh-image-uploader';
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import {utils as ghostHelperUtils} from '@tryghost/helpers';
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import {htmlSafe} from '@ember/template';
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import {isEmpty} from '@ember/utils';
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import {run} from '@ember/runloop';
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import {inject as service} from '@ember/service';
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const MAX_IMAGES = 9;
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const MAX_PER_ROW = 3;
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const {countWords} = ghostHelperUtils;
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@classic
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export default class KoenigCardGallery extends Component {
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@service koenigDragDropHandler;
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// attrs
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files = null;
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images = null;
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payload = null;
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isSelected = false;
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isEditing = false;
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imageExtensions = IMAGE_EXTENSIONS;
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imageMimeTypes = IMAGE_MIME_TYPES;
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// properties
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errorMessage = null;
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handlesDragDrop = true;
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_dragDropContainer = null;
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// closure actions
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selectCard() { }
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deselectCard() { }
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editCard() { }
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saveCard() { }
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deleteCard() { }
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moveCursorToNextSection() { }
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moveCursorToPrevSection() { }
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addParagraphAfterCard() { }
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registerComponent() { }
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@computed('payload.{caption,payload.images.[]}')
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get counts() {
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let wordCount = 0;
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let imageCount = this.payload.images.length;
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if (this.payload.caption) {
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wordCount += countWords(this.payload.caption);
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}
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return {wordCount, imageCount};
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}
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@computed('images.[]')
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get toolbar() {
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if (isEmpty(this.images)) {
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return false;
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}
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return {
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items: [{
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title: 'Add images',
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icon: 'koenig/kg-add',
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iconClass: 'fill-white',
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action: this.triggerFileDialog
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}]
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};
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}
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@computed('images.@each.{src,previewSrc,width,height,row}')
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get imageRows() {
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let rows = [];
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let noOfImages = this.images.length;
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// 3 images per row unless last row would have a single image in which
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// case the last 2 rows will have 2 images
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let maxImagesInRow = function (idx) {
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return noOfImages > 1 && (noOfImages % 3 === 1) && (idx === (noOfImages - 2));
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};
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this.images.forEach((image, idx) => {
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let row = image.row;
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let classes = [];
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let overlayClasses = [];
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// start a new display row if necessary
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if (maxImagesInRow(idx)) {
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row = row + 1;
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}
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// apply classes to the image containers
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if (!rows[row]) {
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// first image in row
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rows[row] = [];
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classes.push('pr2');
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overlayClasses.push('mr2');
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} else if (((idx + 1) % 3 === 0) || maxImagesInRow(idx + 1) || idx + 1 === noOfImages) {
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// last image in row
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classes.push('pl2');
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overlayClasses.push('ml2');
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} else {
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// middle of row
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classes.push('pl2', 'pr2');
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overlayClasses.push('ml2', 'mr2');
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}
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if (row > 0) {
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classes.push('mt4');
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}
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let styledImage = Object.assign({}, image);
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let aspectRatio = (image.width || 1) / (image.height || 1);
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styledImage.style = htmlSafe(`flex: ${aspectRatio} 1 0%`);
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styledImage.classes = htmlSafe(classes.join(' '));
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styledImage.overlayClasses = htmlSafe(overlayClasses.join(' '));
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rows[row].push(styledImage);
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});
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return rows;
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}
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init() {
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super.init(...arguments);
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if (!this.payload || isEmpty(this.payload.images)) {
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this._updatePayloadAttr('images', []);
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}
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this._buildImages();
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this.registerComponent(this);
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}
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willDestroyElement() {
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super.willDestroyElement(...arguments);
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if (this._dragDropContainer) {
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this._dragDropContainer.destroy();
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}
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}
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@action
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addImage(file) {
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let count = this.images.length + 1;
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let row = Math.ceil(count / MAX_PER_ROW) - 1;
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let image = this._readDataFromImageFile(file);
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image.row = row;
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this.images.pushObject(image);
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}
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@action
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setImageSrc(uploadResult) {
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if (!uploadResult.fileName && !uploadResult.url) {
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return; // upload failed
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}
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let image = this.images.findBy('fileName', uploadResult.fileName);
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image.set('src', uploadResult.url);
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this._buildAndSaveImagesPayload();
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}
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@action
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setFiles(files) {
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this._startUpload(files);
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}
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@action
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deleteImage(image) {
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let localImage = this.images.findBy('fileName', image.fileName);
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this.images.removeObject(localImage);
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this._recalculateImageRows();
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this._buildAndSaveImagesPayload();
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}
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@action
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updateCaption(caption) {
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this._updatePayloadAttr('caption', caption);
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}
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@action
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triggerFileDialog(event) {
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const target = event?.target || this.element;
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const cardElem = target.closest('.__mobiledoc-card');
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const fileInput = cardElem?.querySelector('input[type="file"]');
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fileInput?.click();
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}
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@action
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uploadFailed(uploadResult) {
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let image = this.images.findBy('fileName', uploadResult.fileName);
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this.images.removeObject(image);
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this._buildAndSaveImagesPayload();
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let fileName = (uploadResult.fileName.length > 20) ? `${uploadResult.fileName.substr(0, 20)}...` : uploadResult.fileName;
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this.set('errorMessage', `${fileName} failed to upload`);
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}
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@action
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handleErrors(errors) {
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let errorMssg = ((errors[0] && errors[0].message)) || 'Some images failed to upload';
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this.set('errorMessage', errorMssg);
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}
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@action
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clearErrorMessage() {
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this.set('errorMessage', null);
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}
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@action
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didSelect() {
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if (this._dragDropContainer) {
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// add a delay when enabling reorder drag/drop so that the card
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// must be selected before a reorder drag can be initiated
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// - allows for cards to be drag and dropped themselves
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run.later(this, function () {
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if (!this.isDestroyed && !this.isDestroying) {
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this._dragDropContainer.enableDrag();
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}
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}, 100);
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}
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}
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@action
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didDeselect() {
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if (this._dragDropContainer) {
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this._dragDropContainer.disableDrag();
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}
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}
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// Ember event handlers ----------------------------------------------------
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dragOver(event) {
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if (!event.dataTransfer) {
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return;
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}
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// this is needed to work around inconsistencies with dropping files
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// from Chrome's downloads bar
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if (navigator.userAgent.indexOf('Chrome') > -1) {
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let eA = event.dataTransfer.effectAllowed;
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event.dataTransfer.dropEffect = (eA === 'move' || eA === 'linkMove') ? 'move' : 'copy';
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}
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event.stopPropagation();
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event.preventDefault();
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this.set('isDraggedOver', true);
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}
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dragLeave(event) {
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event.preventDefault();
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this.set('isDraggedOver', false);
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}
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drop(event) {
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event.preventDefault();
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this.set('isDraggedOver', false);
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if (event.dataTransfer.files) {
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this._startUpload(event.dataTransfer.files);
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}
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}
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// Private methods ---------------------------------------------------------
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_recalculateImageRows() {
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this.images.forEach((image, idx) => {
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image.set('row', Math.ceil((idx + 1) / MAX_PER_ROW) - 1);
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});
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}
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_startUpload(files = []) {
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let currentCount = this.images.length;
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let allowedCount = (MAX_IMAGES - currentCount);
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let strippedFiles = Array.prototype.slice.call(files, 0, allowedCount);
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if (strippedFiles.length < files.length) {
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this.set('errorMessage', 'Galleries are limited to 9 images');
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}
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this.set('files', strippedFiles);
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}
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_readDataFromImageFile(file) {
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let url = URL.createObjectURL(file);
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let image = EmberObject.create({
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fileName: file.name,
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previewSrc: url
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});
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let imageElem = new Image();
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imageElem.onload = () => {
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// update current display images
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image.set('width', imageElem.naturalWidth);
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image.set('height', imageElem.naturalHeight);
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// ensure width/height makes it into the payload images
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this._buildAndSaveImagesPayload();
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};
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imageElem.src = url;
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return image;
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}
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_buildAndSaveImagesPayload() {
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let payloadImages = [];
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let isValidImage = image => image.fileName
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&& image.src
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&& image.width
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&& image.height;
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this.images.forEach((image, idx) => {
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if (isValidImage(image)) {
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let payloadImage = Object.assign({}, image, {previewSrc: undefined});
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payloadImage.row = Math.ceil((idx + 1) / MAX_PER_ROW) - 1;
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payloadImages.push(payloadImage);
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}
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});
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this._updatePayloadAttr('images', payloadImages);
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}
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_buildImages() {
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this.images = this.payload.images.map(image => EmberObject.create(image));
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this._registerOrRefreshDragDropHandler();
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}
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_updatePayloadAttr(attr, value) {
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let payload = this.payload;
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let save = this.saveCard;
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set(payload, attr, value);
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// update the mobiledoc and stay in edit mode
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save(payload, false);
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this._registerOrRefreshDragDropHandler();
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}
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// - rename container so that it's more explicit when we have an initial file
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// drop container vs a drag reorder+file drop container?
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_registerOrRefreshDragDropHandler() {
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if (this._dragDropContainer) {
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run.scheduleOnce('afterRender', this, this._refreshDragDropContainer);
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} else {
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run.scheduleOnce('afterRender', this, this._registerDragDropContainer);
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}
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}
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_refreshDragDropContainer() {
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const galleryElem = this.element.querySelector('[data-gallery]');
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// gallery element can change when switching from placeholder to gallery
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// make sure the DnD container is updated to match
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if (this._dragDropContainer.element !== galleryElem) {
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this._dragDropContainer.destroy();
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this._registerDragDropContainer();
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} else {
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this._dragDropContainer.refresh();
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}
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if (!isEmpty(this.images) && !this._dragDropContainer.isDragEnabled) {
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this._dragDropContainer.enableDrag();
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}
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}
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_registerDragDropContainer() {
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const galleryElem = this.element.querySelector('[data-gallery]');
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if (galleryElem) {
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this._dragDropContainer = this.koenigDragDropHandler.registerContainer(
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galleryElem,
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{
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draggableSelector: '[data-image]',
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droppableSelector: '[data-image]',
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isDragEnabled: !isEmpty(this.images),
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onDragStart: run.bind(this, this._dragStart),
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onDragEnd: run.bind(this, this._dragEnd),
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onDragEnterContainer: run.bind(this, this._dragEnter),
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onDragLeaveContainer: run.bind(this, this._dragLeave),
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getDraggableInfo: run.bind(this, this._getDraggableInfo),
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getIndicatorPosition: run.bind(this, this._getDropIndicatorPosition),
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onDrop: run.bind(this, this._onDrop),
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onDropEnd: run.bind(this, this._onDropEnd)
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}
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);
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}
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}
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_dragStart(draggableInfo) {
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this.element.querySelector('figure').classList.remove('kg-card-selected');
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// enable dropping when an image is dragged in from outside of this card
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let isImageDrag = draggableInfo.type === 'image' || draggableInfo.cardName === 'image';
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if (isImageDrag && draggableInfo.payload.src && this.images.length !== MAX_IMAGES) {
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this._dragDropContainer.enableDrag();
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}
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}
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_dragEnd() {
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if (this.isSelected) {
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this.element.querySelector('figure').classList.add('kg-card-selected');
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} else {
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this._dragDropContainer.disableDrag();
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}
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if (this.isDraggedOver) {
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this.set('isDraggedOver', false);
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}
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}
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_dragEnter() {
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if (this.images.length === 0) {
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this.set('isDraggedOver', true);
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}
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}
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_dragLeave() {
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this.set('isDraggedOver', false);
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}
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_getDraggableInfo(draggableElement) {
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let src = draggableElement.querySelector('img').getAttribute('src');
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let image = this.images.findBy('src', src) || this.images.findBy('previewSrc', src);
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let payload = image && image.getProperties('fileName', 'src', 'row', 'width', 'height', 'caption');
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if (image) {
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return {
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type: 'image',
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payload
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};
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}
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return {};
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}
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_onDrop(draggableInfo/*, droppableElem, position*/) {
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// do not allow dropping of non-images
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if (draggableInfo.type !== 'image' && draggableInfo.cardName !== 'image') {
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return false;
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}
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let {insertIndex} = draggableInfo;
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let droppables = Array.from(this.element.querySelectorAll('[data-image]'));
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let draggableIndex = droppables.indexOf(draggableInfo.element);
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if (!this.images.length) {
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insertIndex = 0;
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}
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if (this._isDropAllowed(draggableIndex, insertIndex)) {
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if (draggableIndex === -1) {
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// external image being added
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let {payload} = draggableInfo;
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let img = draggableInfo.element.querySelector(`img[src="${payload.src}"]`);
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// image card payloads may not have all of the details we need but we can fill them in
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payload.width = payload.width || img.naturalWidth;
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payload.height = payload.height || img.naturalHeight;
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if (!payload.fileName) {
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let url = new URL(payload.src || img.src);
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let fileName = url.pathname.match(/\/([^/]*)$/)[1];
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payload.fileName = fileName;
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}
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this.images.insertAt(insertIndex, EmberObject.create(payload));
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} else {
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// internal image being re-ordered
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let draggedImage = this.images.findBy('src', draggableInfo.payload.src);
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let accountForRemoval = draggableIndex < insertIndex && insertIndex ? -1 : 0;
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this.images.removeObject(draggedImage);
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this.images.insertAt(insertIndex + accountForRemoval, draggedImage);
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}
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this._recalculateImageRows();
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this._buildAndSaveImagesPayload();
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this._dragDropContainer.refresh();
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this._skipOnDragEnd = true;
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return true;
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}
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return false;
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}
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// if an image is dragged out of a gallery we need to remove it
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_onDropEnd(draggableInfo, success) {
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if (this._skipOnDragEnd || !success) {
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this._skipOnDragEnd = false;
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return;
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}
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let image = this.images.findBy('src', draggableInfo.payload.src);
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if (image) {
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this.images.removeObject(image);
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this._recalculateImageRows();
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this._buildAndSaveImagesPayload();
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this._dragDropContainer.refresh();
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}
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}
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// returns {
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// direction: 'horizontal' TODO: use a constant?
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// position: 'left'/'right' TODO: use constants?
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// beforeElems: array of elems to left of indicator
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// afterElems: array of elems to right of indicator
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// droppableIndex:
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// }
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_getDropIndicatorPosition(draggableInfo, droppableElem, position) {
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// do not allow dropping of non-images
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if (draggableInfo.type !== 'image' && draggableInfo.cardName !== 'image') {
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return false;
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}
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let row = droppableElem.closest('[data-row]');
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let droppables = Array.from(this.element.querySelectorAll('[data-image]'));
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let draggableIndex = droppables.indexOf(draggableInfo.element);
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let droppableIndex = droppables.indexOf(droppableElem);
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if (row && this._isDropAllowed(draggableIndex, droppableIndex, position)) {
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let rowImages = Array.from(row.querySelectorAll('[data-image]'));
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let rowDroppableIndex = rowImages.indexOf(droppableElem);
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let insertIndex = droppableIndex;
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let beforeElems = [];
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let afterElems = [];
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rowImages.forEach((image, index) => {
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if (index < rowDroppableIndex) {
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beforeElems.push(image);
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}
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if (index === rowDroppableIndex) {
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if (position.match(/left/)) {
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afterElems.push(image);
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} else {
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beforeElems.push(image);
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}
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}
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if (index > rowDroppableIndex) {
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afterElems.push(image);
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}
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});
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if (position.match(/right/)) {
|
|
insertIndex += 1;
|
|
}
|
|
|
|
return {
|
|
direction: 'horizontal',
|
|
position: position.match(/left/) ? 'left' : 'right',
|
|
beforeElems,
|
|
afterElems,
|
|
insertIndex
|
|
};
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// we don't allow an image to be dropped where it would end up in the
|
|
// same position within the gallery
|
|
_isDropAllowed(draggableIndex, droppableIndex, position = '') {
|
|
// external images can always be dropped
|
|
if (draggableIndex === -1) {
|
|
return true;
|
|
}
|
|
|
|
// can't drop on itself or when droppableIndex doesn't exist
|
|
if (draggableIndex === droppableIndex || typeof droppableIndex === 'undefined') {
|
|
return false;
|
|
}
|
|
|
|
// account for dropping at beginning or end of a row
|
|
if (position.match(/left/)) {
|
|
droppableIndex -= 1;
|
|
}
|
|
|
|
if (position.match(/right/)) {
|
|
droppableIndex += 1;
|
|
}
|
|
|
|
return droppableIndex !== draggableIndex;
|
|
}
|
|
}
|