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@ -43,7 +43,7 @@ export class FileGridComponent implements OnChanges, OnInit, AfterViewInit, Afte
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public fileChanged = new BehaviorSubject<void>(undefined);
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public selectedEntries: Selectable<File>[] = [];
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public partitionedGridEntries: Selectable<File>[][] = [];
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public partitionedGridEntries: (Selectable<File> | undefined)[][] = [];
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private columns = 6;
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private entrySizePx = 260;
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@ -187,12 +187,12 @@ export class FileGridComponent implements OnChanges, OnInit, AfterViewInit, Afte
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this.ctrlClicked = event.ctrlKey ? false : this.ctrlClicked;
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}
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public trackByFileRowId(index: number, item: Selectable<File>[]) {
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return item.map(e => e.data.id).join("-");
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public trackByFileRowId(index: number, item: (Selectable<File> | undefined)[]) {
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return item.map(e => e?.data.id).join("-");
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}
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public trackByFileId(index: number, item: Selectable<File>) {
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return item.data.id;
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public trackByFileId(index: number, item: Selectable<File> | undefined) {
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return item?.data.id;
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}
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public onFileStatusChange(): void {
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@ -224,14 +224,18 @@ export class FileGridComponent implements OnChanges, OnInit, AfterViewInit, Afte
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for (let i = 0; i < (Math.ceil(
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this.gridEntries.length / this.columns)); i++) {
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const entries = this.gridEntries.slice(
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const entries: (Selectable<File> | undefined)[] = this.gridEntries.slice(
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i * this.columns,
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Math.min(this.gridEntries.length, (i + 1) * this.columns)
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);
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const length = entries.length;
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for (let i = 0; i < (this.columns - length); i++) {
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entries.push(undefined);
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}
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this.partitionedGridEntries.push(entries);
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const preselectedEntry = entries.find(
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e => e.data.id == this.preselectedFile?.id);
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e => e?.data.id == this.preselectedFile?.id);
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if (preselectedEntry) {
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scrollToIndex = i;
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@ -256,7 +260,8 @@ export class FileGridComponent implements OnChanges, OnInit, AfterViewInit, Afte
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private scrollToSelection() {
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const selected = this.selectedEntries[0];
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if (this.virtualScroll && selected) {
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const index = Math.floor(this.gridEntries.indexOf(selected) / this.columns);
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const index = Math.floor(
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this.gridEntries.indexOf(selected) / this.columns);
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setTimeout(() => {
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this.virtualScroll.scrollToIndex(index);
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this.changeDetector.markForCheck();
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@ -345,14 +350,17 @@ export class FileGridComponent implements OnChanges, OnInit, AfterViewInit, Afte
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if (this.virtualScroll) {
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const viewportSize = this.virtualScroll.getViewportSize();
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let offsetTop = this.virtualScroll.measureScrollOffset("top");
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const contentOffset = Math.floor(selectedIndex / this.columns) * 260;
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const contentOffset = Math.floor(
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selectedIndex / this.columns) * 260;
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if (contentOffset > offsetTop + viewportSize - 300 || contentOffset < offsetTop) {
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this.virtualScroll.scrollToIndex(Math.floor(selectedIndex / this.columns));
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this.virtualScroll.scrollToIndex(
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Math.floor(selectedIndex / this.columns));
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offsetTop = this.virtualScroll.measureScrollOffset("top");
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if (contentOffset < offsetTop + (viewportSize / 2)) {
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this.virtualScroll.scrollToOffset((offsetTop + 130) - viewportSize / 2);
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this.virtualScroll.scrollToOffset(
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(offsetTop + 130) - viewportSize / 2);
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}
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}
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}
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@ -361,14 +369,16 @@ export class FileGridComponent implements OnChanges, OnInit, AfterViewInit, Afte
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private pageDown() {
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if (this.virtualScroll) {
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const offsetTop = this.virtualScroll.measureScrollOffset("top");
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this.virtualScroll.scrollToOffset(offsetTop + this.virtualScroll.getViewportSize());
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this.virtualScroll.scrollToOffset(
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offsetTop + this.virtualScroll.getViewportSize());
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}
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}
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private pageUp() {
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if (this.virtualScroll) {
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const offsetTop = this.virtualScroll.measureScrollOffset("top");
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this.virtualScroll.scrollToOffset(offsetTop - this.virtualScroll.getViewportSize());
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this.virtualScroll.scrollToOffset(
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offsetTop - this.virtualScroll.getViewportSize());
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}
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}
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}
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