// plays back a command in the UI creating new commands
private void RedoCommand(INoteViewModel note, Control sender, INoteCommand command)
{
if (command is CreateNoteCommand)
{
var createCommand = command as CreateNoteCommand;
var text = createCommand.Text;
vm.CreateNote(text);
//UpdateUI(note, sender, text);
}
else if (command is DeleteTextFromNoteCommand)
{
var deleteTextCommand = command as DeleteTextFromNoteCommand;
note.RemoveText(deleteTextCommand.Offset, deleteTextCommand.Text.Length, true);
//UpdateUI(note, sender, text);
}
else if (command is InsertTextIntoNoteCommand)
{
var insertTextCommand = command as InsertTextIntoNoteCommand;
vm.InsertText(note, insertTextCommand.Offset, insertTextCommand.Text, true);
//UpdateUI(note, sender, note.Text);
}
else if (command is DeleteNoteCommand)
{
vm.DeleteNote(command.NoteGuid);
//UpdateUI(note, sender, note.Text);
}
}
// plays back the command history of a note visually
private void PlayCommand(INoteViewModel note, Control sender, INoteCommand command, int delayCount)
{
Task.Delay(delayCount).Wait();
Debug.WriteLine(command.ToString());
if (command is CreateNoteCommand)
{
var createCommand = command as CreateNoteCommand;
var text = createCommand.Text;
UpdateUI(note, sender, text);
//note.Text = createCommand.Text;
}
else if (command is DeleteTextFromNoteCommand)
{
var deleteTextCommand = command as DeleteTextFromNoteCommand;
var text = note.Text;
text = text.Remove(deleteTextCommand.Offset, deleteTextCommand.Text.Length);
UpdateUI(note, sender, text);
}
else if (command is InsertTextIntoNoteCommand)
{
var insertTextCommand = command as InsertTextIntoNoteCommand;
var text = note.Text;
if (insertTextCommand.Offset == note.Text.Length)
{
text += insertTextCommand.Text;
UpdateUI(note, sender, text);
}
else
{
text = text.Insert(insertTextCommand.Offset, insertTextCommand.Text);
UpdateUI(note, sender, text);
}
}
}
public void PostTextChanges(INoteViewModel note, ICollection <TextChange> changes, string orgText)
{
if (note is NoteEditModel)
{
var noteEdit = note as NoteEditModel;
if (!noteEdit.IsEditComplete) // prevent triggers from changes from Edit to View models
{
foreach (var change in changes)
{
// the order matters - if we select something and then start overwriting that,
// we have a delete and add in one change.
if (change.RemovedLength > 0)
{
var text = orgText.Substring(change.Offset, change.RemovedLength);
RemoveText(noteEdit, change.Offset, text, false);
}
if (change.AddedLength > 0)
{
var text = note.Text.Substring(change.Offset, change.AddedLength);
InsertText(noteEdit, change.Offset, text, false);
}
}
}
}
}
internal void SelectNote(INoteViewModel note)
{
DisplayCommands.Clear();
foreach (var command in note.Commands)
{
DisplayCommands.Add(command);
}
}
internal void RemoveText(INoteViewModel note, int offset, string text, bool asNotify)
{
var updatedText = note.Text; // already updated at this point if coming from UI
var command = _commandFactory.DeleteText(note.Guid, offset, text);
AddCommand(command, note);
note.UpdateText(updatedText, false); // update without notify to prevent loop
}
private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
{
var note = _notesRepository.Table.ToList()[listBox1.SelectedIndex];
_currentNoteViewModel = NotesFactory.CreateViewModel(note);
_currentNoteViewModel.InitControl(flowLayoutPanel1);
label3.Text = $@"Date : {note.CreationDate:yyyy/MM/dd HH:mm:ss}";
}
internal void InsertText(INoteViewModel note, int offset, string text, bool asNotify)
{
var updatedText = note.Text; // not yet updated at this point
updatedText = InsertText(note, offset, text, updatedText);
var command = _commandFactory.InsertText(note.Guid, offset, text);
AddCommand(command, note);
note.UpdateText(updatedText, false); // update without notify to prevent loop
}
private string InsertText(INoteViewModel note, int offset, string text, string updatedText)
{
if (note.Text.Length == offset)
{
updatedText += text;
}
else
{
updatedText = note.Text.Insert(offset, text);
}
return(updatedText);
}
private void NoteAdded(INoteViewModel noteVm)
{
Task.AddNote(noteVm.Note);
}
private void UpdateUI(INoteViewModel note, Control sender, string text)
{
sender.Parent.Dispatcher.Invoke(() => note.Text = text, System.Windows.Threading.DispatcherPriority.Render);
Debug.WriteLine(text);
}
public NoteChangedEventArgs(INoteViewModel note, string propertyName) : base(propertyName)
{
Note = note;
}
private void AddCommand(INoteCommand noteCommand, INoteViewModel note)
{
AllCommands.Insert(0, noteCommand);
DisplayCommands.Insert(0, noteCommand);
note.Commands.Insert(0, noteCommand);
}
