flutter_package / dart_pdf

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Aleksei
Committed by David PHAM-VAN
8bfcced0 1 parent 24c7f1ce

Minor optimization

Inline Side-by-side
Showing 1 changed file with 20 additions and 29 deletions
... ... @@ -114,7 +114,7 @@ class PdfPreviewCustomState extends State<PdfPreviewCustom>
with PdfPreviewRaster {
final listView = GlobalKey();
late List<GlobalKey> _pageGlobalKeys;
List<GlobalKey> _pageGlobalKeys = <GlobalKey>[];
bool infoLoaded = false;
... ... @@ -221,22 +221,15 @@ class PdfPreviewCustomState extends State<PdfPreviewCustom>
);
}
_pageGlobalKeys = List.generate(pages.length, (index) => GlobalKey());
if (widget.enableScrollToPage) {
_pageGlobalKeys = List.generate(pages.length, (_) => GlobalKey());
}
if (widget.pagesBuilder != null) {
return widget.pagesBuilder!(context, pages);
}
return widget.enableScrollToPage
? Scrollbar(
controller: scrollController,
child: SingleChildScrollView(
controller: scrollController,
physics: widget.scrollPhysics,
child: Column(
children: List.generate(
pages.length,
(index) => GestureDetector(
Widget pageWidget(int index, {Key? key}) => GestureDetector(
onDoubleTap: () {
setState(() {
updatePosition = scrollController.position.pixels;
... ... @@ -245,12 +238,24 @@ class PdfPreviewCustomState extends State<PdfPreviewCustom>
});
},
child: PdfPreviewPage(
key: getPageKey(index),
key: key,
pageData: pages[index],
pdfPreviewPageDecoration: widget.pdfPreviewPageDecoration,
pageMargin: widget.previewPageMargin,
),
),
);
return widget.enableScrollToPage
? Scrollbar(
controller: scrollController,
child: SingleChildScrollView(
controller: scrollController,
physics: widget.scrollPhysics,
padding: widget.padding,
child: Column(
children: List.generate(
pages.length,
(index) => pageWidget(index, key: getPageKey(index)),
),
),
),
... ... @@ -261,21 +266,7 @@ class PdfPreviewCustomState extends State<PdfPreviewCustom>
physics: widget.scrollPhysics,
padding: widget.padding,
itemCount: pages.length,
itemBuilder: (BuildContext context, int index) => GestureDetector(
onDoubleTap: () {
setState(() {
updatePosition = scrollController.position.pixels;
preview = index;
transformationController.value.setIdentity();
});
},
child: PdfPreviewPage(
key: getPageKey(index),
pageData: pages[index],
pdfPreviewPageDecoration: widget.pdfPreviewPageDecoration,
pageMargin: widget.previewPageMargin,
),
),
itemBuilder: (BuildContext context, int index) => pageWidget(index),
);
}
... ...