QWidget *BindingDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QWidget *widget = QStyledItemDelegate::createEditor(parent, option, index);
const BindingModel *model = qobject_cast<const BindingModel*>(index.model());
if (!model) {
qWarning() << "BindingDelegate::createEditor no model";
return widget;
}
if (!model->connectionView()) {
qWarning() << "BindingDelegate::createEditor no connection view";
return widget;
}
model->connectionView()->allModelNodes();
PropertiesComboBox *bindingComboBox = qobject_cast<PropertiesComboBox*>(widget);
if (!bindingComboBox) {
qWarning() << "BindingDelegate::createEditor no bindingComboBox";
return widget;
}
BindingProperty bindingProperty = model->bindingPropertyForRow(index.row());
switch (index.column()) {
case BindingModel::TargetModelNodeRow:
return nullptr; //no editor
case BindingModel::TargetPropertyNameRow: {
bindingComboBox->addItems(model->possibleTargetProperties(bindingProperty));
} break;
case BindingModel::SourceModelNodeRow: {
foreach (const ModelNode &modelNode, model->connectionView()->allModelNodes()) {
if (!modelNode.id().isEmpty()) {
bindingComboBox->addItem(modelNode.id());
}
}
if (!bindingProperty.parentModelNode().isRootNode())
bindingComboBox->addItem(QLatin1String("parent"));
} break;
case BindingModel::SourcePropertyNameRow: {
bindingComboBox->addItems(model->possibleSourceProperties(bindingProperty));
bindingComboBox->disableValidator();
} break;
default: qWarning() << "BindingDelegate::createEditor column" << index.column();
}
connect(bindingComboBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::activated), this, [=]() {
auto delegate = const_cast<BindingDelegate*>(this);
emit delegate->commitData(bindingComboBox);
});
return widget;
}
void BindingModel::bindingRemoved(const BindingProperty &bindingProperty)
{
m_handleDataChanged = false;
QList<ModelNode> selectedNodes = connectionView()->selectedModelNodes();
if (!selectedNodes.contains(bindingProperty.parentModelNode()))
return;
if (!m_lock) {
int rowNumber = findRowForBinding(bindingProperty);
removeRow(rowNumber);
}
m_handleDataChanged = true;
}
QStringList DynamicPropertiesModel::possibleTargetProperties(const BindingProperty &bindingProperty) const
{
const ModelNode modelNode = bindingProperty.parentModelNode();
if (!modelNode.isValid()) {
qWarning() << " BindingModel::possibleTargetPropertiesForRow invalid model node";
return QStringList();
}
NodeMetaInfo metaInfo = modelNode.metaInfo();
if (metaInfo.isValid()) {
QStringList possibleProperties;
foreach (const PropertyName &propertyName, metaInfo.propertyNames()) {
if (metaInfo.propertyIsWritable(propertyName))
possibleProperties << QString::fromLatin1(propertyName);
}
return possibleProperties;
}
BindingProperty::BindingProperty(const BindingProperty &property, AbstractView *view)
: AbstractProperty(property.name(), property.internalNode(), property.model(), view)
{
}
