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refs #618, allow to modify and validate data when loaded for a view

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* allows to reject data considered incorrect
* data can be modified and adjusted after loading before displaying
This commit is contained in:
Klaus Basan
2016-03-24 04:59:09 +01:00
parent 353d96514e
commit d509c6b0b5
4 changed files with 65 additions and 10 deletions
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32
src/blackgui/views/viewbase.cpp
View File

@@ -955,42 +955,58 @@ namespace BlackGui
return this->updateContainer(c, sort, resize);
}
template <class ModelClass, class ContainerType, class ObjectType>
CStatusMessage CViewBase<ModelClass, ContainerType, ObjectType>::modifyLoadedData(ContainerType &data) const
{
Q_UNUSED(data);
static const CStatusMessage e(this, CStatusMessage::SeverityInfo, "no modification", true);
return e;
}
template <class ModelClass, class ContainerType, class ObjectType>
CStatusMessage CViewBase<ModelClass, ContainerType, ObjectType>::validateLoadedData(const ContainerType &data) const
{
Q_UNUSED(data);
static const CStatusMessage e(this, CStatusMessage::SeverityInfo, "no validation", true);
return e;
}
template <class ModelClass, class ContainerType, class ObjectType>
CStatusMessage CViewBase<ModelClass, ContainerType, ObjectType>::ps_loadJson()
{
static const CLogCategoryList cats(CLogCategoryList(this).join({ CLogCategory::validation()}));
const QString fileName = QFileDialog::getOpenFileName(nullptr,
tr("Load data file"), getDefaultFilename(true),
tr("swift (*.json *.txt)"));
if (fileName.isEmpty()) { return CStatusMessage(cats, CStatusMessage::SeverityDebug, "Load canceled"); }
if (fileName.isEmpty()) { return CStatusMessage(this, CStatusMessage::SeverityDebug, "Load canceled", true); }
QString json(CFileUtils::readFileToString(fileName));
if (json.isEmpty())
{
return CStatusMessage(cats, CStatusMessage::SeverityWarning, "Reading " + fileName + " yields no data");
return CStatusMessage(this, CStatusMessage::SeverityWarning, "Reading " + fileName + " yields no data", true);
}
ContainerType container;
container.convertFromJson(json);
const CStatusMessage s = this->validateLoadedData(container);
if (s.getSeverity() == CStatusMessage::SeverityError) { return s; }
this->updateContainerMaybeAsync(container);
return CStatusMessage(cats, CStatusMessage::SeverityInfo, "Reading " + fileName + " completed");
return CStatusMessage(this, CStatusMessage::SeverityInfo, "Reading " + fileName + " completed", true);
}
template <class ModelClass, class ContainerType, class ObjectType>
CStatusMessage CViewBase<ModelClass, ContainerType, ObjectType>::ps_saveJson() const
{
static const CLogCategoryList cats(CLogCategoryList(this).join({ CLogCategory::validation()}));
const QString fileName = QFileDialog::getSaveFileName(nullptr,
tr("Save data file"), getDefaultFilename(false),
tr("swift (*.json *.txt)"));
if (fileName.isEmpty()) { return CStatusMessage(cats, CStatusMessage::SeverityDebug, "Save canceled"); }
if (fileName.isEmpty()) { return CStatusMessage(this, CStatusMessage::SeverityDebug, "Save canceled", true); }
const QString json(this->toJsonString());
bool ok = CFileUtils::writeStringToFileInBackground(json, fileName);
if (ok)
{
return CStatusMessage(cats, CStatusMessage::SeverityInfo, "Writing " + fileName + " in progress");
return CStatusMessage(this, CStatusMessage::SeverityInfo, "Writing " + fileName + " in progress", true);
}
else
{
return CStatusMessage(cats, CStatusMessage::SeverityError, "Writing " + fileName + " failed");
return CStatusMessage(this, CStatusMessage::SeverityError, "Writing " + fileName + " failed", true);
}
}