QString ScriptCompleter::pathFromIndex(const QModelIndex &index) const
{
QStringList dataList;
for(QModelIndex i = index; i.isValid(); i = i.parent())
dataList.prepend(model()->data(i, completionRole()).toString());
return dataList.join(".");
}
QString CategoricalCompleter::pathFromIndex(const QModelIndex &index) const
{
// navigate up and accumulate data
QStringList dataList;
for (QModelIndex i = index; i.isValid(); i = i.parent()) {
dataList.prepend(model()->data(i, completionRole()).toString());
}
return dataList.join(" ");
}
QString CodeCompleter::pathFromIndex(const QModelIndex &index) const
{
if (m_seperator.isNull()) {
return QCompleter::pathFromIndex(index);
}
// navigate up and accumulate data
QStringList dataList;
for (QModelIndex i = index; i.isValid(); i = i.parent()) {
dataList.prepend(model()->data(i, completionRole()).toString());
}
return dataList.join(m_seperator);
}
/**
* Override of pathFromIndex().
*/
QString ConceptHierarchyCompleter::pathFromIndex(const QModelIndex &index) const {
// Calculate the last path.
QStringList lineage;
for (QModelIndex i = index; i.isValid(); i = i.parent())
lineage.prepend(model()->data(i, completionRole()).toString());
QString path = lineage.join(this->lineageSeparator);
// Make sure that previously entered paths are also kept.
QLineEdit * widget = (QLineEdit *) this->widget();
QStringList list = widget->text().split(this->entrySeparator);
if (list.size() > 1) {
// Delete the last path in the list, which was uncomplete.
list.removeLast();
// Add the *completed* last path again at the end of the list.
list.append(path);
// Merge all paths together again.
path = list.join(this->entrySeparator);
}
return path;
}
bool QWordCompleter::eventFilter(QObject *o, QEvent *e)
{
if(widget()->inherits("QTextEdit") && e->type() == QEvent::KeyPress){
QKeyEvent* ke = static_cast<QKeyEvent*>(e);
switch (ke->key()) {
case Qt::Key_Space:
if(ke->modifiers().testFlag(Qt::ControlModifier)){
QTextEdit* textEdit = qobject_cast<QTextEdit*>(widget());
QTextCursor textCursor = textEdit->textCursor();
textCursor.movePosition(QTextCursor::StartOfWord, QTextCursor::KeepAnchor);
if(textCursor.selectedText().length() >= minCompletionPrefixLength){
setCompletionPrefix(textCursor.selectedText());
QRect rect = QRect(textEdit->cursorRect().bottomLeft(), QSize(100, 5));
complete(rect);
}
return true;
}
break;
case Qt::Key_Enter:
case Qt::Key_Return:
case Qt::Key_Tab:
if(popup()->isVisible()){
popup()->hide();
if(popup()->currentIndex().isValid()){
emit activated(popup()->currentIndex());
emit activated(popup()->currentIndex().data(completionRole()).toString());
}
return true;
}
default:
break;
}
}
return QCompleter::eventFilter(o, e);
}
