public void Search(string searchTerm)
{
NoteEditorSearchHighlight.Clear();
if (String.IsNullOrEmpty(searchTerm) == true)
{
return;
}
TextRange textRange = FindText(Document.ContentStart, Document.ContentEnd, searchTerm);
if (textRange == null)
{
return;
}
// bring the first search result in the view
if (textRange.Start.Paragraph is FrameworkContentElement fce)
{
fce.BringIntoView();
}
// search for the next matches until end of document
while (textRange != null)
{
NoteEditorSearchHighlight.Add(textRange, false); // do not update adorner layout while adding search results
textRange = FindText(textRange.End, Document.ContentEnd, searchTerm);
}
NoteEditorSearchHighlight.Update();
}
public NoteEditor()
{
// event handlers
TextChanged += OnTextChanged;
PreviewKeyDown += OnPreviewKeyDown;
PreviewMouseDown += OnPreviewMouseDown; // PreviewMouseDown for image resize adorner
// Credit: http://social.msdn.microsoft.com/Forums/vstudio/en-US/0d672c70-d49d-4ebf-871d-420cc164f7d8/c-wpf-richtextbox-remove-formatting-and-line-spaces
DataObject.AddPastingHandler(this, DataObjectPastingEventHandler);
// add custom binding for Ctrl+Shift+V for rich format pasting
InputBindings.Add(new KeyBinding(ApplicationCommands.Paste, Key.V, ModifierKeys.Control | ModifierKeys.Shift));
// search results highlight support
NoteEditorSearchHighlight.Init(this);
// image resize support
ImageResizeHelper.Init(this);
// register global commands
CommandManager.RegisterClassCommandBinding(typeof(Window), new CommandBinding(FontStylesCommand, OnFontStylesCommand, CanExecuteFontStylesCommand));
CommandManager.RegisterClassCommandBinding(typeof(Window), new CommandBinding(ParagraphStylesCommand, OnParagraphStylesCommand, CanExecuteParagraphStylesCommand));
}