public EditorTabUIWPF(EditorTabUIWPFParameters parameters)
{
InitializeComponent();
DataContext = new EditorTabViewModel(parameters);
Name = parameters.Name;
Title = "Editor Tab";
}
protected override void OnPropertyChanged(DependencyPropertyChangedEventArgs args)
{
base.OnPropertyChanged(args);
if (args.Property != DataContextProperty)
{
return;
}
if (args.OldValue is EditorTabViewModel previousModel)
{
// The way the DataTemplate works means the same control can be re-used for the different tabs, just with a different
// DataContext. It is important to ensure the previous part is saved first
previousModel.Part.Contents = this.Editor.Text;
previousModel.ReadEditorInfo -= this.OnReadEditorInfo;
previousModel.UpdateEditor -= this.OnUpdateEditor;
previousModel.ShowResults -= this.OnShowResults;
previousModel.Cut -= this.OnCut;
previousModel.Copy -= this.OnCopy;
previousModel.Paste -= this.OnPaste;
previousModel.Undo -= this.OnUndo;
previousModel.Redo -= this.OnRedo;
previousModel.SelectAll -= this.OnSelectAll;
}
if (!(args.NewValue is EditorTabViewModel model))
{
this.viewModel = null;
return;
}
this.viewModel = model;
this.viewModel.Lexer = new XmlLexer
{
Editor = this.Editor,
};
this.Editor.Text = this.viewModel.Part.Contents;
this.Editor.EmptyUndoBuffer();
this.viewModel.ReadEditorInfo += this.OnReadEditorInfo;
this.viewModel.UpdateEditor += this.OnUpdateEditor;
this.viewModel.ShowResults += this.OnShowResults;
this.viewModel.Cut += this.OnCut;
this.viewModel.Copy += this.OnCopy;
this.viewModel.Paste += this.OnPaste;
this.viewModel.Undo += this.OnUndo;
this.viewModel.Redo += this.OnRedo;
this.viewModel.SelectAll += this.OnSelectAll;
}
public static void WriteEditorTabToFile(string path, EditorTabViewModel tab) => File.WriteAllText(path, tab.Content);
