public static void Undo(EditorViewController controller)
{
// Bridge into the new command controller subsystem.
var commandReference = new CommandFactoryReference(UndoCommandFactory.Key);
controller.CommandFactory.Do(controller, commandReference);
}
public void Do(
object context,
CommandFactoryReference commandFactoryReference,
CommandFactoryManager <OperationContext> controller)
{
// Pull out some useful variables for processing.
var editViewController = (EditorViewController)context;
IDisplayContext displayContext = editViewController.DisplayContext;
TextPosition position = displayContext.Caret.Position;
// Set up the operation context for this request.
var textPosition =
new TextPosition(
displayContext.Caret.Position.LinePosition,
displayContext.Caret.Position.CharacterPosition);
var operationContext = new OperationContext(
displayContext.LineBuffer, textPosition);
// Create the commands and execute them.
Do(
context,
controller,
commandFactoryReference.Data,
operationContext,
editViewController,
displayContext,
position);
}
public void DeleteMiddleOfSentenceUndo()
{
// Arrange
EditorViewController controller;
Caret caret;
LineBuffer lineBuffer;
SetupTests(out controller, out caret, out lineBuffer);
var factory = new DeleteRightWordCommandFactory();
var undo = new UndoCommandFactory();
var reference = new CommandFactoryReference(factory.FactoryKey);
caret.Position = new TextPosition(2, 9);
factory.Do(controller, reference, controller.CommandFactory);
// Act
undo.Do(controller, reference, controller.CommandFactory);
// Assert
Assert.AreEqual(
2, caret.Position.LinePosition, "Caret was on an unexpected line.");
Assert.AreEqual(
9, caret.Position.CharacterPosition, "Caret was on an unexpected character.");
Assert.AreEqual(3, lineBuffer.LineCount);
Assert.AreEqual(DefaultLine, lineBuffer.GetLineText(0));
Assert.AreEqual(DefaultLine, lineBuffer.GetLineText(1));
Assert.AreEqual("one, two three, four five. Six.", lineBuffer.GetLineText(2));
}
public static void InsertParagraph(EditorViewController controller)
{
// Bridge into the new command controller subsystem.
var commandReference =
new CommandFactoryReference(SplitParagraphCommandFactory.Key);
controller.CommandFactory.Do(controller, commandReference);
}
public static void DeleteRightWord(EditorViewController controller)
{
// Bridge into the new command controller subsystem.
var commandReference =
new CommandFactoryReference(LargeDeleteRightCommandFactory.Key);
controller.CommandFactory.Do(controller, commandReference);
}
/// <summary>
/// Moves the caret down one line.
/// </summary>
/// <param name="controller">The display context.</param>
/// <param name="unicode">The Unicode character.</param>
public static void InsertText(
EditorViewController controller,
char unicode)
{
// Bridge into the new command controller subsystem.
var commandReference =
new CommandFactoryReference(InsertCharacterCommandFactory.Key, unicode);
controller.CommandFactory.Do(controller, commandReference);
}
protected override void Do(
object context,
CommandFactoryManager <OperationContext> commandFactory,
object commandData,
OperationContext operationContext,
EditorViewController controller,
IDisplayContext displayContext,
TextPosition position)
{
// Figure out which command we'll be passing the operation to.
HierarchicalPath key;
if (!displayContext.Caret.Selection.IsEmpty)
{
// If we have a selection, then we use the Delete Selection command.
key = DeleteSelectionCommandFactory.Key;
}
else if (position.IsBeginningOfBuffer(controller.DisplayContext))
{
// If we are the beginning of the buffer, then we can't delete anything.
return;
}
else if (position.CharacterPosition == 0)
{
// If we are at the beginning of the line, then we are combining paragraphs.
key = JoinPreviousParagraphCommandFactory.Key;
}
else
{
// Delete the next character only.
key = DeleteLeftWordCommandFactory.Key;
}
// Execute the command and pass the results to calling method.
var nextCommand = new CommandFactoryReference(key);
commandFactory.Do(context, nextCommand);
}
public abstract string GetTitle(
CommandFactoryReference commandFactoryReference);
public override string GetTitle(
CommandFactoryReference commandFactoryReference)
{
return("Join Previous Paragraph");
}
public override string GetTitle(
CommandFactoryReference commandFactoryReference)
{
return("Delete Right Word");
}
public override string GetTitle(
CommandFactoryReference commandFactoryReference)
{
return("Split Paragraph");
}
public override string GetTitle(
CommandFactoryReference commandFactoryReference)
{
return("Delete Left Large");
}
public override string GetTitle(
CommandFactoryReference commandFactoryReference)
{
return("Undo");
}
public override string GetTitle(
CommandFactoryReference commandFactoryReference)
{
return("Insert Character");
}
