57 lines
1.3 KiB
C#
57 lines
1.3 KiB
C#
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using ICSharpCode.AvalonEdit;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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namespace SuperVM.VisualDebugger
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{
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public sealed class CodeEditor : TextEditor, INotifyPropertyChanged
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{
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public static readonly DependencyProperty CodeProperty =
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DependencyProperty.Register(nameof(Code), typeof(string), typeof(CodeEditor),
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new PropertyMetadata((obj, args) =>
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{
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var target = (CodeEditor)obj;
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target.Dispatcher.BeginInvoke(new Action(() =>
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{
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target.preventUpdate = true;
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var cursor = target.CaretOffset;
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target.Text = (string)args.NewValue;
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target.CaretOffset = cursor;
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target.preventUpdate = false;
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}));
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})
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);
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private bool preventUpdate = false;
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public string Code
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{
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get { return (string)GetValue(CodeProperty); }
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set
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{
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SetValue(CodeProperty, value);
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base.Text = value;
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}
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}
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protected override void OnTextChanged(EventArgs e)
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{
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if(this.preventUpdate == false)
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SetValue(CodeProperty, this.Text);
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base.OnTextChanged(e);
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}
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public event PropertyChangedEventHandler PropertyChanged;
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public void RaisePropertyChanged(string info)
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{
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if (PropertyChanged != null)
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PropertyChanged(this, new PropertyChangedEventArgs(info));
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}
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}
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}
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