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Feature/Persistent pdf-viewer zoom level #876

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Feature/Persistent pdf-viewer zoom level #876

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1348da2
feat: persistent pdf zoom level
b0ink Aug 5, 2024
52899d4
Merge remote-tracking branch 'doubtfirelms/8.0.x' into feat/persisten…
b0ink Sep 28, 2024
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12 changes: 10 additions & 2 deletions src/app/common/pdf-viewer/pdf-viewer.component.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,9 @@ import {AlertService} from '../services/alert.service';
styleUrls: ['./pdf-viewer.component.scss'],
})
export class fPdfViewerComponent implements OnDestroy, OnChanges, AfterViewInit {
private readonly ZOOM_MIN = 0.5;
private readonly ZOOM_MAX = 2.5;

private _pdfUrl: string;
public pdfBlobUrl: string;
public useNativePdfViewer = false;
Expand All @@ -43,6 +46,9 @@ export class fPdfViewerComponent implements OnDestroy, OnChanges, AfterViewInit

ngAfterViewInit(): void {
this.useNativePdfViewer = localStorage.getItem('useNativePdfViewer') === 'true';
const storedZoomValue = parseFloat(localStorage.getItem('pdfViewerZoom')) || 1;
// Clamp zoom value between ZOOM_MIN and ZOOM_MAX
this.zoomValue = Math.min(Math.max(storedZoomValue, this.ZOOM_MIN), this.ZOOM_MAX);
}

ngOnChanges(changes: SimpleChanges): void {
Expand Down Expand Up @@ -76,13 +82,15 @@ export class fPdfViewerComponent implements OnDestroy, OnChanges, AfterViewInit
}

public zoomIn() {
if (this.zoomValue < 2.5) {
if (this.zoomValue < this.ZOOM_MAX) {
this.zoomValue += 0.1;
localStorage.setItem('pdfViewerZoom', this.zoomValue.toString());
}
}
public zoomOut() {
if (this.zoomValue > 0.5) {
if (this.zoomValue > this.ZOOM_MIN) {
this.zoomValue -= 0.1;
localStorage.setItem('pdfViewerZoom', this.zoomValue.toString());
}
}

Expand Down