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update page number upon page changing event #499

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merged 1 commit into from
Jul 28, 2019
Merged

update page number upon page changing event #499

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6 changes: 6 additions & 0 deletions src/app/pdf-viewer/pdf-viewer.component.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -394,6 +394,12 @@ export class PdfViewerComponent

const eventBus = createEventBus(PDFJSViewer);

eventBus.on('pagechanging', e => {
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if (e.pageNumber != this._page) {
this.page = e.pageNumber;
}
});

eventBus.on('pagerendered', e => {
this.pageRendered.emit(e);
});
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4 changes: 2 additions & 2 deletions src/app/utils/event-bus-utils.ts
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Expand Up @@ -26,9 +26,9 @@ function attachDOMEventsToEventBus(eventBus: any) {
});
evt.source.textLayerDiv.dispatchEvent(event);
});
eventBus.on('pagechange', function(evt) {
eventBus.on('pagechanging', function(evt) {
const event = document.createEvent('UIEvents');
event.initUIEvent('pagechange', true, true, window, 0);
event.initUIEvent('pagechanging', true, true, window, 0);
event['pageNumber'] = evt.pageNumber;
evt.source.container.dispatchEvent(event);
});
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