private KeyboardShortcutCollection ConfigureCommands()
{
var configuration = File.ReadAllLines(@"keyboard.trcfg");
var descriptors = new BlockDescriptor[]
{
ParagraphBlock.Descriptor,
HeadingBlock.Descriptor,
};
var addedCommands = new IContextualCommand[]
{
new BreakTextBlockCommand(),
new DeleteNextCharacterCommand(),
new DeletePreviousCharacterCommand(),
new MergeTextBlocksCommand(),
new MoveCaretBackwardCommand(),
new MoveCaretForwardCommand(),
new MoveCaretUpCommand(),
new MoveCaretDownCommand(),
new MoveCaretHomeCommand(),
new MoveCaretEndCommand(),
new MoveCaretPreviousWordCommand(),
new MoveCaretNextWordCommand(),
new UndoCommand(),
new RedoCommand(),
};
var allCommands = addedCommands
.Concat(descriptors.SelectMany(d => d.GetCommands(_editor.Document)))
.ToDictionary(c => c.Id, c => c, StringComparer.InvariantCultureIgnoreCase);
var converter = new KeyGestureConverter();
var items = configuration
.Where(s => !string.IsNullOrWhiteSpace(s))
.Select(s => s.Trim())
.Select(s => s.Split(new[] { " => " }, StringSplitOptions.RemoveEmptyEntries))
.Select(p => new { StringKey = p[0], Id = p[1] })
.Select(i => new { Key = (KeyGesture)converter.ConvertFromString(i.StringKey), Command = allCommands[i.Id] })
.GroupBy(i => i.Key)
;
var keyboardShortcutCollection = new KeyboardShortcutCollection();
foreach (var aGroup in items)
{
keyboardShortcutCollection.Add(aGroup.Key.Modifiers, aGroup.Key.Key, aGroup.Select(it => it.Command).ToArray());
}
return(keyboardShortcutCollection);
}
public DocumentEditorContextView(DocumentEditorContext editor)
{
_viewFactory = new ViewFactory();
_blockSearchHitTester = new BlockSearchHitTester(this);
editor.Tag = this;
Focusable = true;
TextElement.SetFontSize(this, 16);
TextElement.SetFontFamily(this, new FontFamily("Times New Roman"));
TextOptions.SetTextFormattingMode(this, TextFormattingMode.Display);
TextOptions.SetTextHintingMode(this, TextHintingMode.Fixed);
TextOptions.SetTextRenderingMode(this, TextRenderingMode.ClearType);
Cursor = Cursors.IBeam;
_editor = editor;
_cursorView = new DocumentCursorView(_editor.Selection);
// clear out the existing content
_blockCollectionView = new VerticalBlockCollectionView(this, _editor.Document.Root)
{
Background = Brushes.White,
};
_scrollView = new ScrollViewer
{
Background = new SolidColorBrush(Color.FromRgb(244, 244, 244)),
HorizontalScrollBarVisibility = ScrollBarVisibility.Auto,
};
Children.Add(_scrollView);
SetTop(_scrollView, 0);
SetLeft(_scrollView, 0);
SetZIndex(_scrollView, 0);
// use a grid simply because it's convenient. What we really need is a canvas (for absolute
// positioning) that overlays the content of the scroll viewer.
var layoutGrid = new Grid
{
Margin = new Thickness(50),
};
_scrollView.Content = new Border()
{
BorderBrush = new SolidColorBrush(Color.FromRgb(158, 158, 158)),
BorderThickness = new Thickness(1),
Margin = new Thickness(20),
Child = new Border()
{
Background = new SolidColorBrush(Colors.White),
Child = layoutGrid,
},
Width = 800,
Height = 1000,
HorizontalAlignment = HorizontalAlignment.Center,
};
// simply add the content in
layoutGrid.Children.Add(new StackPanel
{
Background = Brushes.Transparent,
Children =
{
_blockCollectionView
}
});
var layoutAbsolute = new Canvas();
layoutGrid.Children.Add(layoutAbsolute);
UIElementCollection parentCollection = layoutAbsolute.Children;
parentCollection.Add(_cursorView);
var keyboardShortcutCollection = ConfigureCommands();
_keyCommands = keyboardShortcutCollection;
InsertText("This is an example of a document within the editor. జో It has many features that extend onto " +
"multiple lines enough that we can start to create paragraphs. Don't also forget" +
"about X & Y and those other things that extend the line length for the X-Files. " +
"Isn't that great? జో");
((IContextualCommand) new BreakTextBlockCommand()).Activate(_editor, _editor.UndoStack);
InsertText("Another paragraph with addition text sits here, right where you need it to be.");
//var listItem = new ListItemBlock();
//document.Root.Append(listItem);
//var cursor = ((Core.ObjectModel.Blocks.Text.TextBlock)listItem.FirstBlock).GetTextCursor();
//cursor.MoveToBeginning();
//cursor.InsertText("A list item");
_editor.UndoStack.Clear();
layoutGrid.PreviewMouseDown += HandlePreviewMouseDown;
layoutGrid.PreviewMouseUp += HandlePreviewMouseUp;
layoutGrid.PreviewMouseMove += HandlePreviewMouseMove;
BlockSearchHitTester.SetShouldStopHitTesting(_cursorView, true);
BlockSearchHitTester.SetShouldStopHitTesting(layoutAbsolute, true);
Loaded += OnLoaded;
Unloaded += OnUnloaded;
}
