|
|
|
|
@ -1,5 +1,8 @@
|
|
|
|
|
import {
|
|
|
|
|
AfterViewChecked,
|
|
|
|
|
AfterViewInit,
|
|
|
|
|
ChangeDetectionStrategy,
|
|
|
|
|
ChangeDetectorRef,
|
|
|
|
|
Component,
|
|
|
|
|
ElementRef,
|
|
|
|
|
EventEmitter,
|
|
|
|
|
@ -14,7 +17,6 @@ import {File} from "../../../../../../api/models/File";
|
|
|
|
|
import {FileService} from "../../../../../services/file/file.service";
|
|
|
|
|
import {SafeResourceUrl} from "@angular/platform-browser";
|
|
|
|
|
import {Selectable} from "../../../../../models/Selectable";
|
|
|
|
|
import {CdkVirtualScrollViewport} from "@angular/cdk/scrolling";
|
|
|
|
|
import {TabService} from "../../../../../services/tab/tab.service";
|
|
|
|
|
import {Key} from "w3c-keys";
|
|
|
|
|
import {BehaviorSubject} from "rxjs";
|
|
|
|
|
@ -22,9 +24,10 @@ import {BehaviorSubject} from "rxjs";
|
|
|
|
|
@Component({
|
|
|
|
|
selector: "app-file-gallery",
|
|
|
|
|
templateUrl: "./file-gallery.component.html",
|
|
|
|
|
styleUrls: ["./file-gallery.component.scss"]
|
|
|
|
|
styleUrls: ["./file-gallery.component.scss"],
|
|
|
|
|
changeDetection: ChangeDetectionStrategy.OnPush
|
|
|
|
|
})
|
|
|
|
|
export class FileGalleryComponent implements OnChanges, OnInit, AfterViewInit {
|
|
|
|
|
export class FileGalleryComponent implements OnChanges, OnInit, AfterViewInit, AfterViewChecked {
|
|
|
|
|
|
|
|
|
|
@Input() files: File[] = [];
|
|
|
|
|
@Input() preselectedFile: File | undefined;
|
|
|
|
|
@ -34,9 +37,8 @@ export class FileGalleryComponent implements OnChanges, OnInit, AfterViewInit {
|
|
|
|
|
@Output() fileDelete = new EventEmitter<File>();
|
|
|
|
|
@Output() fileDeleted = new EventEmitter<File[]>();
|
|
|
|
|
|
|
|
|
|
@ViewChild("virtualScroll") virtualScroll!: CdkVirtualScrollViewport;
|
|
|
|
|
|
|
|
|
|
@ViewChild("inner") inner!: ElementRef<HTMLDivElement>;
|
|
|
|
|
@ViewChild("previewStripContainer") stripContainer!: ElementRef<HTMLDivElement>;
|
|
|
|
|
|
|
|
|
|
public entries: Selectable<File>[] = [];
|
|
|
|
|
public selectedFile: Selectable<File> | undefined;
|
|
|
|
|
@ -45,15 +47,16 @@ export class FileGalleryComponent implements OnChanges, OnInit, AfterViewInit {
|
|
|
|
|
|
|
|
|
|
public imageViewHeightPercent = 80;
|
|
|
|
|
public previewStripVisible = true;
|
|
|
|
|
public previewedEntries: (Selectable<File> | undefined)[] = [];
|
|
|
|
|
|
|
|
|
|
private scrollTimeout: number | undefined;
|
|
|
|
|
private previewStripCount = 5;
|
|
|
|
|
private escapeCount = 0;
|
|
|
|
|
|
|
|
|
|
constructor(
|
|
|
|
|
private changeDetector: ChangeDetectorRef,
|
|
|
|
|
private tabService: TabService,
|
|
|
|
|
private fileService: FileService
|
|
|
|
|
) {
|
|
|
|
|
tabService.selectedTab.subscribe(() => this.adjustElementSizes());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
async ngOnInit(): Promise<void> {
|
|
|
|
|
@ -61,6 +64,8 @@ export class FileGalleryComponent implements OnChanges, OnInit, AfterViewInit {
|
|
|
|
|
this.selectedFile.data) < 0) {
|
|
|
|
|
await this.onEntrySelect(
|
|
|
|
|
this.getPreselectedEntry() ?? this.entries[0]);
|
|
|
|
|
} else {
|
|
|
|
|
this.buildPreviewedFiles();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -84,6 +89,10 @@ export class FileGalleryComponent implements OnChanges, OnInit, AfterViewInit {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public ngAfterViewChecked(): void {
|
|
|
|
|
this.calculatePreviewCount();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Called when a new entry is selected
|
|
|
|
|
* @param {Selectable<File>} entry
|
|
|
|
|
@ -96,15 +105,8 @@ export class FileGalleryComponent implements OnChanges, OnInit, AfterViewInit {
|
|
|
|
|
this.selectedFile = entry;
|
|
|
|
|
await this.loadSelectedFile();
|
|
|
|
|
|
|
|
|
|
if (this.virtualScroll) {
|
|
|
|
|
clearTimeout(this.scrollTimeout);
|
|
|
|
|
this.scrollTimeout = setTimeout(
|
|
|
|
|
() => this.scrollToSelection(),
|
|
|
|
|
0
|
|
|
|
|
); // we need to make sure the viewport has rendered
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
this.fileSelect.emit(this.selectedFile.data);
|
|
|
|
|
this.buildPreviewedFiles();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -151,13 +153,6 @@ export class FileGalleryComponent implements OnChanges, OnInit, AfterViewInit {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public adjustElementSizes(): void {
|
|
|
|
|
if (this.virtualScroll) {
|
|
|
|
|
this.virtualScroll.checkViewportSize();
|
|
|
|
|
this.scrollToSelection();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public focus() {
|
|
|
|
|
this.inner.nativeElement.focus();
|
|
|
|
|
}
|
|
|
|
|
@ -181,8 +176,8 @@ export class FileGalleryComponent implements OnChanges, OnInit, AfterViewInit {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public trackByFileId(index: number, item: Selectable<File>) {
|
|
|
|
|
return item.data.id;
|
|
|
|
|
public trackByFileId(index: number, item?: Selectable<File>) {
|
|
|
|
|
return item?.data.id;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public onFileStatusChange(): void {
|
|
|
|
|
@ -199,23 +194,24 @@ export class FileGalleryComponent implements OnChanges, OnInit, AfterViewInit {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private scrollToSelection(): void {
|
|
|
|
|
if (this.selectedFile) {
|
|
|
|
|
const selectedIndex = this.entries.indexOf(this.selectedFile);
|
|
|
|
|
const viewportSize = this.virtualScroll.getViewportSize();
|
|
|
|
|
const indexAdjustment = (viewportSize / 260) / 2; // adjustment to have the selected item centered
|
|
|
|
|
this.virtualScroll.scrollToIndex(
|
|
|
|
|
Math.max(selectedIndex - indexAdjustment, 0), "smooth");
|
|
|
|
|
|
|
|
|
|
if (selectedIndex > indexAdjustment) {
|
|
|
|
|
this.virtualScroll.scrollToOffset(
|
|
|
|
|
this.virtualScroll.measureScrollOffset("left") + 130,
|
|
|
|
|
"smooth"
|
|
|
|
|
);
|
|
|
|
|
public calculatePreviewCount() {
|
|
|
|
|
if (this.stripContainer && this.stripContainer.nativeElement) {
|
|
|
|
|
const width = Math.abs(this.stripContainer.nativeElement.clientWidth);
|
|
|
|
|
const height = Math.abs(this.stripContainer.nativeElement.clientHeight);
|
|
|
|
|
|
|
|
|
|
const count = Math.floor(Math.floor(width / height) / 2) * 2 + 1;
|
|
|
|
|
|
|
|
|
|
if (count != this.previewStripCount) {
|
|
|
|
|
this.previewStripCount = count;
|
|
|
|
|
this.buildPreviewedFiles();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public onResize(): void {
|
|
|
|
|
this.changeDetector.markForCheck();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private getPreselectedEntry(): Selectable<File> | undefined {
|
|
|
|
|
if (this.preselectedFile) {
|
|
|
|
|
const entry = this.entries.find(
|
|
|
|
|
@ -235,4 +231,26 @@ export class FileGalleryComponent implements OnChanges, OnInit, AfterViewInit {
|
|
|
|
|
setTimeout(() => this.escapeCount--, 500);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private buildPreviewedFiles() {
|
|
|
|
|
if (!this.selectedFile) {
|
|
|
|
|
if (this.entries) {
|
|
|
|
|
this.onEntrySelect(this.entries[0]).catch(console.error);
|
|
|
|
|
}
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
const selectedIndex = this.entries.indexOf(this.selectedFile!);
|
|
|
|
|
const previewCountLR = Math.floor(this.previewStripCount / 2);
|
|
|
|
|
const previewedEntries = [];
|
|
|
|
|
|
|
|
|
|
for (let i = selectedIndex - previewCountLR; i <= selectedIndex + previewCountLR; i++) {
|
|
|
|
|
if (i >= 0 && i < this.entries.length) {
|
|
|
|
|
previewedEntries.push(this.entries[i]);
|
|
|
|
|
} else {
|
|
|
|
|
previewedEntries.push(undefined);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
this.previewedEntries = previewedEntries;
|
|
|
|
|
this.changeDetector.markForCheck();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
