add structure

lib/pages/do/photo_page.dart

@@ -0,0 +1,165 @@
+import 'dart:io';
+import 'package:flutter/material.dart';
+import 'package:image_picker/image_picker.dart';
+import 'package:provider/provider.dart';
+import 'package:fcs/model/language_model.dart';
+import 'package:fcs/theme/theme.dart';
+import 'package:fcs/widget/localization/app_translations.dart';
+
+import '../util.dart';
+
+class PhotoPage extends StatefulWidget {
+  PhotoPage({Key key}) : super(key: key);
+
+  @override
+  _PhotoPageState createState() => _PhotoPageState();
+}
+
+class _PhotoPageState extends State<PhotoPage> {
+  File receiptImageFile;
+
+  @override
+  Widget build(BuildContext context) {
+    var languageModel = Provider.of<LanguageModel>(context);
+
+    final receiptImageBox = Padding(
+      padding: EdgeInsets.symmetric(vertical: 5.0),
+      child: Container(
+        color: Colors.grey[400],
+        child: Column(
+          children: <Widget>[
+            Container(
+              padding: EdgeInsets.only(top: 15),
+              child: Text(
+                AppTranslations.of(context).text('do.receipt'),
+                style:
+                    languageModel.isEng ? photoLabelStyle : photoLabelStyleMM,
+              ),
+            ),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: <Widget>[
+                ButtonTheme.bar(
+                    child: new ButtonBar(
+                  alignment: MainAxisAlignment.start,
+                  children: <Widget>[
+                    new FlatButton(
+                      child: Icon(
+                        Icons.add_photo_alternate,
+                        size: 60.0,
+                        color: Colors.black,
+                      ),
+                      onPressed: () {
+                        pickImageFromGallery(ImageSource.gallery);
+                      },
+                    ),
+                  ],
+                )),
+                ButtonTheme.bar(
+                    child: new ButtonBar(
+                  alignment: MainAxisAlignment.start,
+                  children: <Widget>[
+                    new FlatButton(
+                      child: Icon(
+                        Icons.add_a_photo,
+                        size: 50.0,
+                        color: Colors.black,
+                      ),
+                      onPressed: () {
+                        pickImageFromCamera(ImageSource.camera);
+                      },
+                    ),
+                  ],
+                )),
+              ],
+            ),
+            receiptShowImage(),
+            SizedBox(
+              height: 10,
+            )
+          ],
+        ),
+      ),
+    );
+
+    return Scaffold(
+      appBar: AppBar(
+        backgroundColor: primaryColor,
+        title: Text(AppTranslations.of(context).text("do.receipt.title"),
+            style: Provider.of<LanguageModel>(context).isEng
+                ? TextStyle(fontSize: 18)
+                : TextStyle(fontSize: 18, fontFamily: 'MyanmarUnicode')),
+        actions: <Widget>[
+          IconButton(
+            icon: Icon(Icons.send),
+            onPressed: () {
+              if (receiptImageFile == null) {
+                showMsgDialog(
+                    context, "Error", "Please insert delivery receipt file");
+                return;
+              }
+              Navigator.pop(context, receiptImageFile);
+            },
+          )
+        ],
+      ),
+      body: Column(
+        children: <Widget>[
+          Expanded(
+            child: ListView(
+              shrinkWrap: true,
+              padding: EdgeInsets.only(left: 24.0, right: 24.0, top: 20),
+              children: <Widget>[
+                receiptImageBox,
+              ],
+            ),
+          ),
+          SizedBox(
+            height: 20,
+          )
+        ],
+      ),
+    );
+  }
+
+  Widget receiptShowImage() {
+    return Container(
+      child: receiptImageFile == null ? initialImage() : receiptEnableImage(),
+    );
+  }
+
+  Widget initialImage() {
+    var languageModel = Provider.of<LanguageModel>(context);
+
+    return Center(
+      child: Text(
+        AppTranslations.of(context).text('do.no.photo'),
+        style: languageModel.isEng ? photoLabelStyle : photoLabelStyleMM,
+      ),
+    );
+  }
+
+  Widget receiptEnableImage() {
+    return Center(
+      child: Image.file(
+        receiptImageFile,
+      ),
+    );
+  }
+
+  pickImageFromGallery(ImageSource source) async {
+    var tempImage = await ImagePicker.pickImage(
+        source: source, imageQuality: 80, maxWidth: 300);
+    setState(() {
+      receiptImageFile = tempImage;
+    });
+  }
+
+  pickImageFromCamera(ImageSource source) async {
+    var tempImage = await ImagePicker.pickImage(
+        source: source, imageQuality: 80, maxWidth: 300);
+    setState(() {
+      receiptImageFile = tempImage;
+    });
+  }
+}