/**
* 显示问题的提示信息
*/
protected function writePrompt()
{
$text = $this->question->getQuestion();
$default = $this->question->getDefault();
switch (true) {
case null === $default:
$text = sprintf(' <info>%s</info>:', $text);
break;
case $this->question instanceof Confirmation:
$text = sprintf(' <info>%s (yes/no)</info> [<comment>%s</comment>]:', $text, $default ? 'yes' : 'no');
break;
case $this->question instanceof Choice && $this->question->isMultiselect():
$choices = $this->question->getChoices();
$default = explode(',', $default);
foreach ($default as $key => $value) {
$default[$key] = $choices[trim($value)];
}
$text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, implode(', ', $default));
break;
case $this->question instanceof Choice:
$choices = $this->question->getChoices();
$text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, $choices[$default]);
break;
default:
$text = sprintf(' <info>%s</info> [<comment>%s</comment>]:', $text, $default);
}
$this->output->writeln($text);
if ($this->question instanceof Choice) {
$width = max(array_map('strlen', array_keys($this->question->getChoices())));
foreach ($this->question->getChoices() as $key => $value) {
$this->output->writeln(sprintf(" [<comment>%-{$width}s</comment>] %s", $key, $value));
}
}
$this->output->write(' > ');
}
