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Speed up opening big projects with lazy folios

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This commit is contained in:
Laurent Trinques
2026-10-13 11:01:21 +02:00
parent a78e95be2c
commit 77e2a9bfc5
45 changed files with 3956 additions and 388 deletions
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sources/qetgraphicsitem/ViewItem/projectdbmodel.cpp
+24 -1
View File
@@ -37,7 +37,8 @@
*/
ProjectDBModel::ProjectDBModel(QETProject *project, QObject *parent) :
QAbstractTableModel(parent),
m_project(project)
m_project(project),
m_fill_when_built(project->dataBase()->isBuildingFolio())
{
connect(m_project->dataBase(), &projectDataBase::dataBaseUpdated, this, &ProjectDBModel::dataBaseUpdated);
}
@@ -320,6 +321,21 @@ void ProjectDBModel::setIdentifier(const QString &identifier) {
m_identifier = identifier;
}
/**
@brief ProjectDBModel::folioBuilt
The folio of a table made while it was being built (QET_LAZY_FOLIOS)
is built: read the database, as opening does once it has filled it.
Nothing for any other model.
*/
void ProjectDBModel::folioBuilt()
{
if (!m_fill_when_built) {
return;
}
m_fill_when_built = false;
dataBaseUpdated();
}
/**
@brief ProjectDBModel::dataBaseUpdated
slot called when the project database is updated
@@ -374,6 +390,13 @@ void ProjectDBModel::setHeaderString()
void ProjectDBModel::fillValue()
{
m_record.clear();
//Opening builds a table before the database is filled, and fills
//it after: a table on a folio built late (QET_LAZY_FOLIOS) does
//the same, so that it is laid out as it would have been on
//opening -- empty until its folio is built (folioBuilt())
if (m_fill_when_built) {
return;
}
auto query_ = m_project->dataBase()->newQuery(m_query);
if (!query_.exec()) {