add structure

2020-05-29 07:45:27 +06:30
parent 4c851d9971
commit bad27ba5c4
272 changed files with 36065 additions and 174 deletions
--- a/lib/widget/sign_file.dart
+++ b/lib/widget/sign_file.dart
@@ -0,0 +1,101 @@
+import 'dart:io';
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:image_picker/image_picker.dart';
+import 'package:fcs/widget/show_img.dart';
+
+typedef OnFile = void Function(File);
+
+class SignFile extends StatefulWidget {
+  final String title;
+  final OnFile onFile;
+  final bool enabled;
+  final String initialImgUrl;
+  final ImageSource imageSource;
+
+  const SignFile(
+      {Key key,
+      this.title,
+      this.onFile,
+      this.enabled = true,
+      this.initialImgUrl,
+      this.imageSource = ImageSource.gallery})
+      : super(key: key);
+  @override
+  _SignFileState createState() => _SignFileState();
+}
+
+class _SignFileState extends State<SignFile> {
+  String url;
+  File file;
+
+  @override
+  void initState() {
+    super.initState();
+    this.url = widget.initialImgUrl == null || widget.initialImgUrl == ""
+        ? null
+        : widget.initialImgUrl;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      height: 30,
+      child: this.file == null && this.url == null
+          ? IconButton(
+              padding: const EdgeInsets.all(3.0),
+              icon: Icon(Icons.attach_file),
+              onPressed: () async {
+                if (!widget.enabled) return;
+                var selectedFile = await ImagePicker.pickImage(
+                    source: widget.imageSource,
+                    imageQuality: 80,
+                    maxWidth: 1000);
+                if (selectedFile != null) {
+                  setState(() {
+                    this.file = selectedFile;
+                  });
+                  if (widget.onFile != null) {
+                    widget.onFile(selectedFile);
+                  }
+                }
+              },
+            )
+          : Padding(
+              padding: const EdgeInsets.only(left: 3.0),
+              child: Chip(
+                avatar: Icon(Icons.image),
+                onDeleted: !widget.enabled
+                    ? null
+                    : () {
+                        setState(() {
+                          this.file = null;
+                          this.url = null;
+                          if (widget.onFile != null) {
+                            widget.onFile(null);
+                          }
+                        });
+                      },
+                deleteIcon: Icon(
+                  Icons.close,
+                ),
+                label: InkWell(
+                    onTap: () => {
+                          Navigator.push(
+                            context,
+                            MaterialPageRoute(
+                                builder: (context) => ShowImage(
+                                    imageFile: file,
+                                    url: file == null
+                                        ? widget.initialImgUrl
+                                        : null,
+                                    fileName: widget.title)),
+                          )
+                        },
+                    child: Text(widget.title)),
+              ),
+            ),
+    );
+  }
+}