void QSnippetEdit::on_lwSnippets_currentRowChanged(int idx)
{
if ( (idx - 1) == m_editedSnippet )
return;
if ( maybeSave() )
{
lwSnippets->setCurrentRow(m_editedSnippet);
return;
}
m_editedSnippet = idx - 1;
if ( idx <= 0 )
{
eSnippet->setText(QString());
leSnippetName->setText(QString());
leSnippetScope->setText(QString());
} else {
QSnippet *snip = m_manager->snippet(m_editedSnippet);
eSnippet->setText(snip->pattern());
leSnippetName->setText(snip->name());
leSnippetScope->setText(snip->contexts().join(","));
//eSnippet->highlight();
}
eSnippet->setFocus();
}
bool QSnippetEdit::maybeSave()
{
static const QRegExp nonTrivial("\\S");
QString pattern = eSnippet->text();
if ( pattern.endsWith('\n') )
pattern.chop(1);
QString name = leSnippetName->text();
QStringList contexts = leSnippetScope->text().split(_cxt_splitter);
bool nonTrivialPattern = pattern.contains(nonTrivial);
if ( m_editedSnippet >= 0 )
{
QSnippet *snip = m_manager->snippet(m_editedSnippet);
if ( snip->pattern() != pattern )
{
int ret = QMessageBox::warning(this,
tr("Unsaved changes"),
tr("Do you want to save pattern changes to snippet %1 ?")
.arg(snip->name()),
QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,
QMessageBox::Yes
);
if ( ret == QMessageBox::Cancel )
{
return true;
} else if ( ret == QMessageBox::Yes ) {
snip->setPattern(pattern);
}
}
} else if ( nonTrivialPattern ) {
int ret = QMessageBox::warning(this,
tr("Unsaved changes"),
tr("The current snippet data will be discarded. Do you want to continue?"),
QMessageBox::Yes | QMessageBox::No,
QMessageBox::Yes
);
if ( ret == QMessageBox::No )
{
return true;
}
}
return false;
}