项目结构调整

Extensions/AIStudio.Wpf.Mind/Controls/OpenFileTextBox.xaml.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
+using Microsoft.Win32;
+
+namespace AIStudio.Wpf.Mind.Controls
+{
+    [TemplatePart(Name = PART_OpenButton, Type = typeof(Button))]
+    public class OpenFileTextBox : TextBox
+    {
+        private const string PART_OpenButton = "PART_OpenButton";
+        private Button _openButton;
+
+        static OpenFileTextBox()
+        {
+            DefaultStyleKeyProperty.OverrideMetadata(typeof(OpenFileTextBox), new FrameworkPropertyMetadata(typeof(OpenFileTextBox)));
+        }
+
+        /// <summary>Identifies the <see cref="Filter"/> dependency property.</summary>
+        public static readonly DependencyProperty FilterProperty
+            = DependencyProperty.Register(nameof(Filter), typeof(string), typeof(OpenFileTextBox), new UIPropertyMetadata("图像文件(*.bmp, *.jpg)|*.bmp;*.jpg|所有文件(*.*)|*.*"));
+
+        /// <summary> 
+        /// Whether or not the "popup" menu for this control is currently open
+        /// </summary>
+        public string Filter
+        {
+            get => (string)this.GetValue(FilterProperty);
+            set => this.SetValue(FilterProperty, (string)value);
+        }
+
+        public override void OnApplyTemplate()
+        {
+            base.OnApplyTemplate();
+
+            if (_openButton != null)
+            {
+                _openButton.Click -= _openButton_Click;
+            }
+
+            _openButton = this.Template.FindName(PART_OpenButton, this) as Button;
+
+            if (_openButton != null)
+            {
+                _openButton.Click += _openButton_Click;
+            }
+        }
+
+        private void _openButton_Click(object sender, RoutedEventArgs e)
+        {
+            OpenFileDialog fd = new OpenFileDialog();
+            fd.Title = "请选择文件";
+            fd.Filter = Filter;
+            fd.FileName = Text?.Trim();
+            if (fd.ShowDialog() == true)
+            {
+                SetValue(TextProperty, fd.FileName);
+            }
+            //this.Focus();
+        }
+    }
+}