add payment

2020-10-28 05:11:06 +06:30
parent 2786acfd08
commit d5c2407545
28 changed files with 740 additions and 601 deletions
--- a/lib/pages/widgets/pdf_screen.dart
+++ b/lib/pages/widgets/pdf_screen.dart
@@ -0,0 +1,125 @@
+import 'dart:async';
+import 'dart:io';
+
+import 'package:fcs/helpers/cache_mgr.dart';
+import 'package:fcs/helpers/theme.dart';
+import 'package:fcs/pages/main/util.dart';
+import 'package:fcs/pages/widgets/progress.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_pdfview/flutter_pdfview.dart';
+import 'package:share/share.dart';
+
+class PDFScreen extends StatefulWidget {
+  final String title;
+  final String url;
+
+  PDFScreen({Key key, this.url, this.title}) : super(key: key);
+
+  _PDFScreenState createState() => _PDFScreenState();
+}
+
+class _PDFScreenState extends State<PDFScreen> with WidgetsBindingObserver {
+  final Completer<PDFViewController> _controller =
+      Completer<PDFViewController>();
+  int pages = 0;
+  int currentPage = 0;
+  bool isReady = false;
+  String errorMessage = '';
+  bool _isLoading = true;
+
+  void initState() {
+    super.initState();
+    download();
+  }
+
+  File file;
+  Future<void> download() async {
+    try {
+      File f = await PdfCacheMgr.pdfs.getSingleFile(widget.url);
+      setState(() {
+        file = f;
+      });
+    } catch (e) {
+      showMsgDialog(context, "Error", e.toString());
+    } finally {
+      setState(() {
+        _isLoading = false;
+      });
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return LocalProgress(
+      inAsyncCall: _isLoading,
+      child: Scaffold(
+        appBar: AppBar(
+          centerTitle: true,
+          backgroundColor: Colors.white,
+          shadowColor: Colors.transparent,
+          title:
+              Text(widget.title ?? "", style: TextStyle(color: primaryColor)),
+          leading: new IconButton(
+            icon: new Icon(CupertinoIcons.back, color: primaryColor),
+            onPressed: () => Navigator.of(context).pop(),
+          ),
+          actions: <Widget>[
+            IconButton(
+              icon: Icon(
+                Icons.share,
+                color: primaryColor,
+              ),
+              onPressed: _share,
+            ),
+          ],
+        ),
+        body: Stack(
+          children: <Widget>[
+            _isLoading
+                ? Container()
+                : PDFView(
+                    filePath: file?.path ?? "",
+                    enableSwipe: true,
+                    swipeHorizontal: true,
+                    autoSpacing: false,
+                    pageFling: true,
+                    pageSnap: true,
+                    defaultPage: currentPage,
+                    fitPolicy: FitPolicy.BOTH,
+                    preventLinkNavigation:
+                        false, // if set to true the link is handled in flutter
+                    onRender: (_pages) {
+                      print(('pages => $pages'));
+                      setState(() {
+                        pages = _pages;
+                        isReady = true;
+                      });
+                    },
+                    onViewCreated: (PDFViewController pdfViewController) {
+                      _controller.complete(pdfViewController);
+                    },
+                    onLinkHandler: (String uri) {
+                      print('goto uri: $uri');
+                    },
+                    onPageChanged: (int page, int total) {
+                      print('page change: $page/$total');
+                      setState(() {
+                        currentPage = page;
+                      });
+                    },
+                  ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  _share() async {
+    final RenderBox box = context.findRenderObject();
+    await Share.shareFiles([file.path],
+        mimeTypes: ["application/pdf"],
+        subject: "File",
+        sharePositionOrigin: box.localToGlobal(Offset.zero) & box.size);
+  }
+}