void ModelRewriter::setAnchor(const InternalNodeState::Pointer &state, const QString &propertyName, const QVariant &value)
{
if (state.isNull() || !state->isValid())
throw InvalidModelNodeException(__LINE__, __FUNCTION__, __FILE__);
if (state->propertyLocation(propertyName).isValid())
m_modelToTextMerger.changePropertyValue(state, propertyName, value);
else
m_modelToTextMerger.addProperty(state, propertyName, value);
if (!modificationGroupActive())
m_modelToTextMerger.applyChanges(*m_textModifier);
}
void ModelRewriter::endModificationGroup(const ModificationGroupToken& token)
{
if (m_activeModificationGroups.isEmpty()) {
throw ModificationGroupException(__LINE__, Q_FUNC_INFO, __FILE__);
}
if (m_activeModificationGroups.last() != token) {
throw ModificationGroupException(__LINE__, Q_FUNC_INFO, __FILE__);
}
if (!m_activeModificationGroups.removeAll(token)) {
throw ModificationGroupException(__LINE__, Q_FUNC_INFO, __FILE__);
}
if (!modificationGroupActive()) {
m_modelToTextMerger.applyChanges(*m_textModifier);
}
}
/*!
Inserts the copied data into the given node.
\note The mime-type for the data must be <tt>"application/x-qt-bauhaus"</tt>, otherwise the paste will fail.
\param transferData The clip-board contents to paste.
\param intoNode The node into which the clip-board contents are to be pasted.
\return true if successful, false otherwise.
*/
bool ModelRewriter::paste(QMimeData *transferData, const InternalNode::Pointer &intoNode)
{
if (!transferData)
return false;
if (intoNode.isNull() || !intoNode->isValid())
throw InvalidModelNodeException(__LINE__, Q_FUNC_INFO, __FILE__);
Paster paster(transferData, intoNode);
if (paster.doPaste(m_modelToTextMerger)) {
if (!modificationGroupActive()) {
m_modelToTextMerger.applyChanges(*m_textModifier);
}
return true;
} else {
m_modelToTextMerger.clear();
return false;
}
}