public void shiftLines(NSArray args)
{
int firstLine = args.objectAtIndex(0).To<NSNumber>().intValue();
int lastLine = args.objectAtIndex(1).To<NSNumber>().intValue();
int delta = args.objectAtIndex(2).To<NSNumber>().intValue();
NSString tab;
if (Language != null && !UsesTabs && !NSObject.IsNullOrNil(SpacesText))
tab = SpacesText;
else
tab = NSString.Create("\t");
NSTextStorage storage = m_textView.Value.textStorage();
storage.beginEditing();
try
{
Unused.Value = Text; // make sure m_metrics is up to date
for (int line = lastLine; line >= firstLine; --line) // backwards so metrics doesn't get confused by our edits (it won't sync up until we call endEditing)
{
int offset = m_metrics.GetLineOffset(line);
if (delta > 0)
{
storage.replaceCharactersInRange_withString(new NSRange(offset, 0), tab);
}
else
{
char ch = storage.string_().characterAtIndex((uint) offset);
if (ch == '\t' || ch == ' ') // need to stop shifting lines left when there is no more whitespace
storage.deleteCharactersInRange(new NSRange(offset, 1));
}
}
}
finally
{
storage.endEditing();
}
int firstOffset = m_metrics.GetLineOffset(firstLine);
int lastOffset = m_metrics.GetLineOffset(lastLine + 1);
m_textView.Value.setSelectedRange(new NSRange(firstOffset, lastOffset - firstOffset));
NSArray oldArgs = NSArray.Create(args.objectAtIndex(0), args.objectAtIndex(1), NSNumber.Create(-delta));
window().windowController().document().undoManager().registerUndoWithTarget_selector_object(this, "shiftLines:", oldArgs);
window().windowController().document().undoManager().setActionName(NSString.Create("Shift"));
}
public void toggleComments(NSArray args)
{
int firstLine = args.objectAtIndex(0).To<NSNumber>().intValue();
int lastLine = args.objectAtIndex(1).To<NSNumber>().intValue();
NSString comment = args.objectAtIndex(2).To<NSString>();
bool add = args.objectAtIndex(3).To<NSNumber>().boolValue();
NSTextStorage storage = m_textView.Value.textStorage();
storage.beginEditing();
try
{
Unused.Value = Text; // make sure m_metrics is up to date
for (int line = lastLine; line >= firstLine; --line) // backwards so metrics doesn't get confused by our edits (it won't sync up until we call endEditing)
{
int offset = m_metrics.GetLineOffset(line);
if (add)
{
if (!DoLineStartsWith(offset, comment))
storage.replaceCharactersInRange_withString(new NSRange(offset, 0), comment);
}
else
{
if (DoLineStartsWith(offset, comment))
storage.deleteCharactersInRange(new NSRange(offset, (int) comment.length()));
}
}
}
finally
{
storage.endEditing();
}
int firstOffset = m_metrics.GetLineOffset(firstLine);
int lastOffset = m_metrics.GetLineOffset(lastLine + 1);
m_textView.Value.setSelectedRange(new NSRange(firstOffset, lastOffset - firstOffset));
NSArray oldArgs = NSArray.Create(args.objectAtIndex(0), args.objectAtIndex(1), args.objectAtIndex(2), NSNumber.Create(!add));
window().windowController().document().undoManager().registerUndoWithTarget_selector_object(this, "toggleComments:", oldArgs);
window().windowController().document().undoManager().setActionName(NSString.Create("Toggle Comment"));
}
// public void processHandler(NSObject sender)
// {
// int i = sender.Call("tag").To<int>();
// string result = m_entries[i].Handler(m_selection);
// if (result != m_selection)
// {
// NSArray args = NSArray.Create(NSValue.valueWithRange(m_range), NSString.Create(result), NSString.Create(m_entries[i].UndoText));
// replaceSelection(args);
// }
// }
// public new bool validateUserInterfaceItem(NSObject item)
// {
// Selector sel = (Selector) item.Call("action");
//
// bool valid = false;
// if (sel.Name == "processHandler:")
// {
// int i = item.Call("tag").To<int>();
// item.Call("setState:", m_entries[i].State);
// valid = m_entries[i].Handler != null;
// }
// else
// if (SuperCall(NSTextView.Class, "respondsToSelector:", new Selector("validateUserInterfaceItem:")).To<bool>())
// {
// valid = SuperCall(NSTextView.Class, "validateUserInterfaceItem:", item).To<bool>();
// }
//
// return valid;
// }
// args[0] = text range, args[1] = text which will replace the range, args[2] = undo text
public void replaceSelection(NSArray args)
{
NSRange oldRange = args.objectAtIndex(0).To<NSValue>().rangeValue();
string oldStr;
string_().getCharacters_range(oldRange, out oldStr); // TODO: if we can figure out that the selection is a class or method then we should add that to our url
NSString oldText = NSString.Create(oldStr);
NSString newText = args.objectAtIndex(1).To<NSString>();
replaceCharactersInRange_withString(oldRange, newText);
NSRange newRange = new NSRange(oldRange.location, (int) newText.length());
NSArray oldArgs = NSArray.Create(NSValue.valueWithRange(newRange), oldText, args.objectAtIndex(2));
var undoManager = window().windowController().document().undoManager();
undoManager.registerUndoWithTarget_selector_object(this, "replaceSelection:", oldArgs);
undoManager.setActionName(args.objectAtIndex(2).To<NSString>());
}