//! The write filename callback
void FileDialog::writeFilename(GuiElement* elem){
FileDialog* dia = dynamic_cast<FileDialog*>(elem->getParent());
InputField* inp = dynamic_cast<InputField*>(dia->getElement(2));
ListBox* files = dynamic_cast<ListBox*>(dia->getElement(1));
string file = files->selectedItem();
inp->setText(file);
}
//! The change directory callback
void FileDialog::changeDir(GuiElement* elem){
Dialog* dia = dynamic_cast<Dialog*>(elem->getParent());
ListBox* dirs = dynamic_cast<ListBox*>(dia->getElement(0));
string dir = dirs->selectedItem();
//collapse path when .. is chosen and the situation is appropriate
if (dir == ".." && path_.length() > 1 && path_[path_.length()-1] != '.'){
size_t n = path_.find_last_of(SEPARATOR);
if (n != path_.npos)
path_.erase(n);
else
path_ += ".";
}
else
path_ += SEPARATOR+dir;
dirs->clear();
dirs->addEntries(Filesystem::getDirectories(cwd_+SEPARATOR+path_));
//update file list
ListBox* files = dynamic_cast<ListBox*>(dia->getElement(1));
files->clear();
files->addEntries(Filesystem::getFiles(cwd_+SEPARATOR+path_));
}