void CommandProcessorBase::CloseOpenCommand()
{
CLCommand::Ptr_t command = GetOpenCommand();
wxCHECK_RET(command, "Trying to close to a non-existent or already-closed command");
command->Close();
}
wxString GetBestLabel(CLCommand::Ptr_t command)
{
wxString label, text;
if (command) {
if (!command->GetUserLabel().empty()) {
label = command->GetUserLabel();
} else {
label = command->GetName();
text = command->GetText();
size_t len = text.Len();
if (len) {
text.Replace("\r\n", "\\n"); // Otherwise newlines result in a multiline display!
text.Replace("\n", "\\n");
// Truncate long pastes
if (len > 70) {
wxString shorter = text.Left(34);
shorter << " ... " << text.Right(34);
text = shorter;
}
label << " \"" << text << "\"";
}
}
}
return label;
}
void CommandProcessorBase::PopulateLabelledStatesMenu(wxMenu* menu)
{
wxCHECK_RET(menu, "NULL menu");
for (size_t n = menu->GetMenuItemCount(); n > 0; --n) { // We need to delete any items left over from a previous call
wxMenuItem* item = menu->FindItemByPosition(n-1);
if (item) {
menu->Delete(item);
}
}
if (!GetInitialCommand()->GetUserLabel().empty()) { // First any initial label
menu->Append(FIRST_MENU_ID - 1, GetInitialCommand()->GetUserLabel()); // (Ab)use an out-of-range id to avoid confusion
}
int id = FIRST_MENU_ID;
for (CLCommand::Vec_t::const_iterator iter = GetCommands().begin(); iter != GetCommands().end(); ++iter) {
CLCommand::Ptr_t command = *iter;
if (command && !command->GetUserLabel().empty()) {
menu->Append(id, command->GetUserLabel());
}
++id; // It's easier in the handler if the event id is the GetCommands() index, rather than a menu index
}
menu->Bind(wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(CommandProcessorBase::OnLabelledStatesMenuItem), this);
}
void CommandProcessorBase::ProcessOpenCommand()
{
CLCommand::Ptr_t command = GetOpenCommand();
wxCHECK_RET(command, "Trying to process a non-existing or non-open command");
command->SetName( GetBestLabel(command) ); // Update the item's label
CloseOpenCommand();
}
void CommandProcessorBase::SetUserLabel(const wxString& label)
{
if (GetOpenCommand()) {
ProcessOpenCommand(); // We need to make it non-pending, otherwise it may change after the label is set; which probably won't be what the user expects
}
CLCommand::Ptr_t command = GetActiveCommand();
if (command) {
command->SetUserLabel(label);
}
}
void CommandProcessorBase::DoPopulateUnRedoMenu(wxMenu& menu, bool undoing)
{
wxString prefix(undoing ? _("Undo ") : _("Redo "));
int id = FIRST_MENU_ID;
int count = 0;
if (undoing) {
if (GetCommands().size() > 0) {
for (CLCommand::Vec_t::const_reverse_iterator iter = GetCommands().rbegin() + GetNextUndoCommand(); iter != GetCommands().rend(); ++iter) {
CLCommand::Ptr_t command = *iter;
if (command) {
wxString label;
if (!command->GetUserLabel().empty()) {
if (command->GetName().Contains(":")) {
label = command->GetName().BeforeFirst(':') + ": ";
}
label << command->GetUserLabel();
} else {
if (command == GetOpenCommand()) {
label = GetBestLabel(command); // If the command's still open, there won't otherwise be a name string
} else {
label = command->GetName();
}
}
menu.Append(id++, wxString::Format("%i ", ++count) + prefix + label);
}
}
}
} else {
for (CLCommand::Vec_t::const_iterator iter = GetCommands().begin() + GetCurrentCommand() + 1; iter != GetCommands().end(); ++iter) {
CLCommand::Ptr_t command = *iter;
if (command) {
wxString label;
if (!command->GetUserLabel().empty()) {
if (command->GetName().Contains(":")) {
label = command->GetName().BeforeFirst(':') + ": ";
}
label << command->GetUserLabel();
} else {
label = command->GetName();
}
menu.Append(id++, wxString::Format("%i ", ++count) + prefix + label);
}
}
}
}