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Refactoring - prepare for undo/redo and document modification

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This commit is contained in:
Jakub Melka
2020-04-25 14:21:06 +02:00
parent 76af397b07
commit 57b3711210
28 changed files with 318 additions and 114 deletions
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54
PdfForQtLib/sources/pdfform.cpp
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@ -69,6 +69,21 @@ void PDFFormField::fillWidgetToFormFieldMapping(PDFWidgetToFormFieldMapping& map
}
}
void PDFFormField::reloadValue(const PDFObjectStorage* storage, PDFObject parentValue)
{
Q_ASSERT(storage);
if (const PDFDictionary* fieldDictionary = storage->getDictionaryFromObject(storage->getObjectByReference(getSelfReference())))
{
m_value = fieldDictionary->hasKey("V") ? fieldDictionary->get("V") : parentValue;
}
for (const PDFFormFieldPointer& childField : m_childFields)
{
childField->reloadValue(storage, m_value);
}
}
PDFFormFieldPointer PDFFormField::parse(const PDFObjectStorage* storage, PDFObjectReference reference, PDFFormField* parentField)
{
PDFFormFieldPointer result;
@ -308,23 +323,31 @@ const PDFDocument* PDFFormManager::getDocument() const
return m_document;
}
void PDFFormManager::setDocument(const PDFDocument* document)
void PDFFormManager::setDocument(const PDFModifiedDocument& document)
{
if (m_document != document)
{
m_document = document;
if (m_document)
if (document.hasReset())
{
m_form = PDFForm::parse(&m_document->getStorage(), m_document->getCatalog()->getFormObject());
}
else
{
// Clean the form
m_form = PDFForm();
}
if (m_document)
{
m_form = PDFForm::parse(&m_document->getStorage(), m_document->getCatalog()->getFormObject());
}
else
{
// Clean the form
m_form = PDFForm();
}
updateWidgetToFormFieldMapping();
updateWidgetToFormFieldMapping();
}
else if (document.hasFlag(PDFModifiedDocument::FormField))
{
// Just update field values
updateFieldValues();
}
}
}
@ -338,6 +361,17 @@ void PDFFormManager::setAppearanceFlags(FormAppearanceFlags flags)
m_flags = flags;
}
void PDFFormManager::updateFieldValues()
{
if (m_document)
{
for (const PDFFormFieldPointer& childField : m_form.getFormFields())
{
childField->reloadValue(&m_document->getStorage(), PDFObject());
}
}
}
void PDFFormManager::updateWidgetToFormFieldMapping()
{
m_widgetToFormField.clear();