public void sendTextWithoutHistory(MeTLTextBox box, string thisPrivacy)
{
sendTextWithoutHistory(box, thisPrivacy, currentSlide);
}
private void textboxLostFocus(object sender, RoutedEventArgs e)
{
var box = (MeTLTextBox)sender;
var currentTag = box.tag();
ClearAdorners();
if (currentTag.privacy != Globals.privacy)
{
Commands.SendDirtyText.ExecuteAsync(new TargettedDirtyElement(currentSlide, Globals.me, target, currentTag.privacy, currentTag.id));
currentTag.privacy = privacy;
box.tag(currentTag);
Commands.SendTextBox.ExecuteAsync(new TargettedTextBox(currentSlide, Globals.me, target, currentTag.privacy, box));
}
myTextBox = null;
requeryTextCommands();
if (box.Text.Length == 0)
Children.Remove(box);
else
setAppropriatePrivacyHalo(box);
}
private void textboxGotFocus(object sender, RoutedEventArgs e)
{
if (((MeTLTextBox)sender).tag().author != Globals.me) return; //cannot edit other peoples textboxes
myTextBox = (MeTLTextBox)sender;
updateTools();
requeryTextCommands();
Select(new List<UIElement>());
originalText = myTextBox.Text;
Commands.ChangeTextMode.Execute("None");
}
public static MeTLTextBox clone(this MeTLTextBox box)
{
var newBox = new MeTLTextBox();
newBox.Text = box.Text;
newBox.TextAlignment = box.TextAlignment;
newBox.TextDecorations = box.TextDecorations;
newBox.FontFamily = box.FontFamily;
newBox.FontSize = box.FontSize;
newBox.Foreground = box.Foreground;
newBox.Background = box.Background;
newBox.tag(box.tag());
InkCanvas.SetLeft(newBox, InkCanvas.GetLeft(box));
InkCanvas.SetTop(newBox, InkCanvas.GetTop(box));
return newBox;
}
private MeTLTextBox applyDefaultAttributes(MeTLTextBox box)
{
box.AcceptsReturn = true;
box.TextWrapping = TextWrapping.WrapWithOverflow;
box.GotFocus += textboxGotFocus;
box.LostFocus += textboxLostFocus;
box.PreviewTextInput += box_PreviewTextInput;
box.TextChanged += SendNewText;
box.IsUndoEnabled = false;
box.UndoLimit = 0;
box.BorderThickness = new Thickness(0);
box.BorderBrush = new SolidColorBrush(Colors.Transparent);
box.Background = new SolidColorBrush(Colors.Transparent);
box.Focusable = canEdit && canFocus;
return box;
}
private bool alreadyHaveThisTextBox(MeTLTextBox box)
{
bool result = false;
Dispatcher.adopt(() =>
{
var boxId = box.tag().id;
var privacy = box.tag().privacy;
foreach (var text in Children)
if (text is MeTLTextBox)
if (((MeTLTextBox)text).tag().id == boxId && ((MeTLTextBox)text).tag().privacy == privacy) result = true;
});
return result;
}
public static IEnumerable<Point> getTextPoints(MeTLTextBox text)
{
if (text == null) return null;
var y = GetTop(text);
var x = GetLeft(text);
var width = text.FontSize * text.Text.Count();
var height = (text.Text.Where(l => l.Equals('\n')).Count() + 1) * text.FontSize + 2;
return new[]
{
new Point(x, y),
new Point(x + width, y),
new Point(x + width, y + height),
new Point(x, y + height)
};
}
private void sendBox(MeTLTextBox box)
{
myTextBox = box;
if(Children.ToList().Where(c => ((MeTLTextBox)c).tag().id == box.tag().id).ToList().Count == 0)
Children.Add(box);
box.TextChanged += SendNewText;
box.PreviewTextInput += box_PreviewTextInput;
sendTextWithoutHistory(box, box.tag().privacy);
}
private void resetTextbox(object obj)
{
if (myTextBox == null && GetSelectedElements().Count != 1) return;
if(myTextBox == null)
myTextBox = (MeTLTextBox)GetSelectedElements().First();
var currentTextBox = myTextBox;
var undoInfo = getInfoOfBox(currentTextBox);
Action undo = () =>
{
ClearAdorners();
applyStylingTo(currentTextBox, undoInfo);
sendTextWithoutHistory(currentTextBox, currentTextBox.tag().privacy);
updateTools();
};
Action redo = () =>
{
ClearAdorners();
resetText(currentTextBox);
updateTools();
};
UndoHistory.Queue(undo, redo);
redo();
}
private void dirtyTextBoxWithoutHistory(MeTLTextBox box)
{
RemovePrivacyStylingFromElement(box);
if (Children.ToList().Where(c => ((MeTLTextBox)c).tag().id == box.tag().id).ToList().Count != 0)
Children.Remove(Children.ToList().Where(b => ((MeTLTextBox)b).tag().id == box.tag().id).First());
Commands.SendDirtyText.ExecuteAsync(new TargettedDirtyElement(currentSlide, box.tag().author, target, box.tag().privacy, box.tag().id));
}
private void removeBox(MeTLTextBox box)
{
myTextBox = box;
dirtyTextBoxWithoutHistory(box);
myTextBox = null;
}
private static TextInformation getInfoOfBox(MeTLTextBox box)
{
var underline = false;
var strikethrough = false;
if(box.TextDecorations.Count > 0)
{
underline = box.TextDecorations.First().Location.ToString().ToLower() == "underline";
strikethrough = box.TextDecorations.First().Location.ToString().ToLower() == "strikethrough";
}
return new TextInformation
{
Bold = box.FontWeight == FontWeights.Bold,
Italics = box.FontStyle == FontStyles.Italic,
Size = box.FontSize,
Underline = underline,
Strikethrough = strikethrough,
Family = box.FontFamily,
Color = ((SolidColorBrush) box.Foreground).Color
};
}
private static void applyStylingTo(MeTLTextBox currentTextBox, TextInformation info)
{
currentTextBox.FontStyle = info.Italics ? FontStyles.Italic : FontStyles.Normal;
currentTextBox.FontWeight = info.Bold ? FontWeights.Bold : FontWeights.Normal;
currentTextBox.TextDecorations = new TextDecorationCollection();
if(info.Underline)
currentTextBox.TextDecorations = TextDecorations.Underline;
else if(info.Strikethrough)
currentTextBox.TextDecorations= TextDecorations.Strikethrough;
currentTextBox.FontSize = info.Size;
currentTextBox.FontFamily = info.Family;
currentTextBox.Foreground = new SolidColorBrush(info.Color);
}
public static MeTLTextBox toMeTLTextBox(this TextBox OldBox)
{
var box = new MeTLTextBox();
box.AcceptsReturn = true;
box.TextWrapping = TextWrapping.WrapWithOverflow;
box.BorderThickness = new Thickness(0);
box.BorderBrush = new SolidColorBrush(Colors.Transparent);
box.Background = new SolidColorBrush(Colors.Transparent);
box.tag(OldBox.tag());
box.FontFamily = OldBox.FontFamily;
box.FontStyle = OldBox.FontStyle;
box.FontWeight = OldBox.FontWeight;
box.TextDecorations = OldBox.TextDecorations;
box.FontSize = OldBox.FontSize;
box.Foreground = OldBox.Foreground;
box.Text = OldBox.Text;
box.Width = OldBox.Width;
//box.Height = OldBox.Height;
InkCanvas.SetLeft(box, InkCanvas.GetLeft(OldBox));
InkCanvas.SetTop(box, InkCanvas.GetTop(OldBox));
return box;
}
public void sendTextWithoutHistory(MeTLTextBox box, string thisPrivacy, int slide)
{
RemovePrivacyStylingFromElement(box);
if (box.tag().privacy != Globals.privacy)
dirtyTextBoxWithoutHistory(box);
var oldTextTag = box.tag();
var newTextTag = new MeTLLib.DataTypes.TextTag(oldTextTag.author, thisPrivacy, oldTextTag.id);
box.tag(newTextTag);
var privateRoom = string.Format("{0}{1}", currentSlide, box.tag().author);
if(thisPrivacy.ToLower() == "private" && Globals.isAuthor && Globals.me != box.tag().author)
Commands.SneakInto.Execute(privateRoom);
Commands.SendTextBox.ExecuteAsync(new TargettedTextBox(slide, box.tag().author, target, thisPrivacy, box));
if(thisPrivacy.ToLower() == "private" && Globals.isAuthor && Globals.me != box.tag().author)
Commands.SneakOutOf.Execute(privateRoom);
}
private void resetText(MeTLTextBox box)
{
RemovePrivacyStylingFromElement(box);
currentColor = Colors.Black;
box.FontWeight = FontWeights.Normal;
box.FontStyle = FontStyles.Normal;
box.TextDecorations = new TextDecorationCollection();
box.FontFamily = new FontFamily("Arial");
box.FontSize = 24;
box.Foreground = Brushes.Black;
var info = new TextInformation
{
Family = box.FontFamily,
Size = box.FontSize,
};
Commands.TextboxFocused.ExecuteAsync(info);
sendTextWithoutHistory(box, box.tag().privacy);
}
private void setAppropriatePrivacyHalo(MeTLTextBox box)
{
if (!Children.Contains(box)) return;
ApplyPrivacyStylingToElement(box, privacy);
}
private void placeCursor(object sender, MouseButtonEventArgs e)
{
if (EditingMode != InkCanvasEditingMode.None) return;
if (!canEdit) return;
var pos = e.GetPosition(this);
var source = (InkCanvas)sender;
MeTLTextBox box = createNewTextbox();
Children.Add(box);
SetLeft(box, pos.X);
SetTop(box, pos.Y);
myTextBox = box;
box.Focus();
}
public MeTLTextBox Clone(MeTLTextBox OldBox)
{
var box = new MeTLTextBox();
box.AcceptsReturn = true;
box.TextWrapping = TextWrapping.WrapWithOverflow;
box.GotFocus += textboxGotFocus;
box.LostFocus += textboxLostFocus;
box.BorderThickness = new Thickness(0);
box.BorderBrush = new SolidColorBrush(Colors.Transparent);
box.Background = new SolidColorBrush(Colors.Transparent);
box.Focusable = canEdit && canFocus;
box.tag(OldBox.tag());
box.Height = OldBox.Height;
box.Width = OldBox.Width;
box.FontFamily = OldBox.FontFamily;
box.FontWeight = OldBox.FontWeight;
box.FontStyle = OldBox.FontStyle;
box.TextDecorations = OldBox.TextDecorations;
box.FontSize = OldBox.FontSize;
box.Foreground = OldBox.Foreground;
box.Text = OldBox.Text;
SetLeft(box, GetLeft(OldBox));
SetTop(box, GetTop(OldBox));
return box;
}
public MeTLTextBox createNewTextbox()
{
var box = new MeTLTextBox();
box.tag(new TextTag
{
author = Globals.me,
privacy = privacy,
id = string.Format("{0}:{1}", Globals.me, SandRibbonObjects.DateTimeFactory.Now())
});
box.FontFamily = currentFamily;
box.FontSize = currentSize;
box.Foreground = new SolidColorBrush(currentColor);
box.UndoLimit = 0;
box.LostFocus += (_sender, _args) =>
{
myTextBox = null;
};
return applyDefaultAttributes(box);
}
protected override void HandleCopy()
{
try
{
if (myTextBox != null && myTextBox.SelectionLength > 0)
{
Action undo = () => Clipboard.GetText();
Action redo = () => Clipboard.SetText(myTextBox.SelectedText);
redo();
UndoHistory.Queue(undo, redo);
}
else
{
myTextBox = null;
var elements = GetSelectedElements().Where(e => e is MeTLTextBox);
Action undo = () => {
foreach(var box in elements)
Clipboard.GetText();
};
Action redo = () =>
{
foreach (var box in elements)
Clipboard.SetText(((MeTLTextBox)box).Text);
};
UndoHistory.Queue(undo, redo);
redo();
}
}
catch (Exception)
{
}
}
protected override void HandleCut()
{
try
{
if (myTextBox != null && myTextBox.SelectionLength > 0)
{
var selection = myTextBox.SelectedText;
var text = myTextBox.Text;
var start = myTextBox.SelectionStart;
var length = myTextBox.SelectionLength;
var currentTextBox = myTextBox.clone();
Action undo = () =>
{
ClearAdorners();
var activeTextbox = ((MeTLTextBox)Children.ToList().Where(c => ((MeTLTextBox)c).tag().id == currentTextBox.tag().id).FirstOrDefault());
activeTextbox.Text = text;
activeTextbox.CaretIndex = start + length;
if (!alreadyHaveThisTextBox(activeTextbox))
sendTextWithoutHistory(currentTextBox, currentTextBox.tag().privacy);
Clipboard.GetText();
addAdorners();
};
Action redo = () =>
{
ClearAdorners();
Clipboard.SetText(selection);
var activeTextbox = ((MeTLTextBox)Children.ToList().Where(c => ((MeTLTextBox)c).tag().id == currentTextBox.tag().id).FirstOrDefault());
if (activeTextbox == null) return;
activeTextbox.Text = text.Remove(start, length);
activeTextbox.CaretIndex = start;
if (activeTextbox.Text.Length == 0)
{
ClearAdorners();
myTextBox = null;
dirtyTextBoxWithoutHistory(currentTextBox);
}
addAdorners();
};
redo();
UndoHistory.Queue(undo, redo);
}
else
{
var listToCut = new List<MeTLTextBox>();
var selectedElements = GetSelectedElements().Select(tb => Clone((MeTLTextBox) tb)).ToList().Select(Clone);
foreach (MeTLTextBox box in GetSelectedElements().Where(e => e is MeTLTextBox))
{
Clipboard.SetText(box.Text);
listToCut.Add(box);
}
ClearAdorners();
Action redo = () =>
{
ClearAdorners();
myTextBox = null;
foreach (var element in listToCut)
dirtyTextBoxWithoutHistory(element);
addAdorners();
};
Action undo = () =>
{
ClearAdorners();
var mySelectedElements = selectedElements.Select(t => t.clone());
List<UIElement> selection = new List<UIElement>();
foreach (var box in mySelectedElements)
Clipboard.GetText();
foreach (var box in mySelectedElements)
{
sendBox(box.toMeTLTextBox());
selection.Add(box);
}
Select(selection);
addAdorners();
};
UndoHistory.Queue(undo, redo);
redo();
}
}
catch (Exception)
{
}
}