MemoryStreamos a fotó ...

2025-07-02 18:30:10 +02:00
parent bc977af15c
commit 7f3562fb73
5 changed files with 147 additions and 65 deletions
@@ -0,0 +1,66 @@
+using System.ComponentModel;
+using WorkFlowCheck.Common.DTO;
+
+namespace WorkFlowCheck.MAUI.Pages.CheckList
+{
+    public class CheckListRowCS : INotifyPropertyChanged
+    {
+        private byte[] _photoBytes;
+        private ImageSource? _photo;
+
+        public event PropertyChangedEventHandler PropertyChanged;
+        
+        public int Id { get; set; }
+        public string AnswerType { get; set; } = null!; 
+        public int RowIndex { get; set; }
+        public string OperationDescription { get; set; } = null!;
+        public string GroupName { get; set; } = null!;
+        public string Answer { get; set; } = null!;
+        public bool? AnswerYes { get; set; } = null!;
+        public bool? AnswerNo { get; set; } = null!;
+        public byte[] PhotoBytes
+        {
+            get => _photoBytes;
+            set
+            {
+                if (_photoBytes != value)
+                {
+                    _photoBytes = value;
+                    _photo = null;
+                    OnPropertyChanged(nameof(PhotoBytes));
+                    OnPropertyChanged(nameof(Photo));
+                }
+            }
+        }
+        public ImageSource Photo
+        {
+            get
+            {
+                if (_photo == null)
+                {
+                    if (PhotoBytes != null && PhotoBytes.Length > 0)
+                    {
+                        try
+                        {
+                            var bytesCopy = PhotoBytes.ToArray();
+                            _photo = ImageSource.FromStream(() => new MemoryStream(bytesCopy));
+                        }
+                        catch
+                        {
+                            _photo = ImageSource.FromFile("noimage.png");
+                        }
+                    }
+                    else
+                    {
+                        _photo = ImageSource.FromFile("noimage.png");
+                    }
+                }
+
+                return _photo;
+            }
+        }
+
+        protected void OnPropertyChanged(string name) =>
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
+    }
+}