mirror of https://github.com/JakubMelka/PDF4QT.git
Inserting blank pages
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688c0b701c
commit
83eb35e1c0
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@ -27,6 +27,7 @@
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#include <QDesktopWidget>
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#include <QClipboard>
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#include <QToolBar>
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#include <QDesktopServices>
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namespace pdfdocpage
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{
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@ -69,6 +70,11 @@ MainWindow::MainWindow(QWidget* parent) :
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ui->actionUnited_Document->setData(int(Operation::Unite));
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ui->actionSeparate_to_Multiple_Documents->setData(int(Operation::Separate));
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ui->actionSeparate_to_Multiple_Documents_Grouped->setData(int(Operation::SeparateGrouped));
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ui->actionInsert_Image->setData(int(Operation::InsertImage));
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ui->actionInsert_Empty_Page->setData(int(Operation::InsertEmptyPage));
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ui->actionInsert_Page_from_PDF->setData(int(Operation::InsertPDF));
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ui->actionGet_Source->setData(int(Operation::GetSource));
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ui->actionAbout->setData(int(Operation::About));
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QToolBar* mainToolbar = addToolBar(tr("Main"));
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mainToolbar->setObjectName("main_toolbar");
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@ -312,6 +318,13 @@ bool MainWindow::canPerformOperation(Operation operation) const
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case Operation::SeparateGrouped:
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return !isModelEmpty;
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case Operation::InsertImage:
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case Operation::InsertEmptyPage:
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case Operation::InsertPDF:
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case Operation::GetSource:
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case Operation::About:
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return true;
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default:
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Q_ASSERT(false);
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break;
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@ -462,6 +475,18 @@ void MainWindow::performOperation(Operation operation)
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Q_ASSERT(false);
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break;
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case Operation::GetSource:
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QDesktopServices::openUrl(QUrl("https://github.com/JakubMelka/PdfForQt"));
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break;
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case Operation::InsertEmptyPage:
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m_model->insertEmptyPage(ui->documentItemsView->selectionModel()->selection().indexes());
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break;
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case Operation::InsertImage:
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case Operation::InsertPDF:
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case Operation::About:
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case Operation::Unite:
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case Operation::Separate:
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case Operation::SeparateGrouped:
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@ -75,7 +75,14 @@ public:
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Unite,
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Separate,
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SeparateGrouped
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SeparateGrouped,
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InsertImage,
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InsertEmptyPage,
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InsertPDF,
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GetSource,
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About
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};
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private slots:
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@ -344,6 +344,46 @@ void PageItemModel::removeSelection(const QModelIndexList& list)
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endResetModel();
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}
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void PageItemModel::insertEmptyPage(const QModelIndexList& list)
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{
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if (list.isEmpty())
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{
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insertEmptyPage(QModelIndex());
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}
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else
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{
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QModelIndexList listCopy = list;
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std::sort(listCopy.begin(), listCopy.end());
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std::reverse(listCopy.begin(), listCopy.end());
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for (const QModelIndex& index: listCopy)
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{
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insertEmptyPage(index);
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}
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}
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}
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void PageItemModel::insertEmptyPage(const QModelIndex& index)
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{
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int insertRow = index.isValid()? index.row() + 1 : int(m_pageGroupItems.size());
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const int templateRow = index.isValid() ? index.row() : int(m_pageGroupItems.size()) - 1;
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const bool isTemplateRowValid = templateRow > -1;
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PageGroupItem::GroupItem groupItem;
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groupItem.pageAdditionalRotation = isTemplateRowValid ? m_pageGroupItems[templateRow].groups.back().pageAdditionalRotation : pdf::PageRotation::None;
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groupItem.pageType = PT_Empty;
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groupItem.rotatedPageDimensionsMM = isTemplateRowValid ? m_pageGroupItems[templateRow].groups.back().rotatedPageDimensionsMM : QSizeF(210, 297);
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PageGroupItem blankPageItem;
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blankPageItem.groups.push_back(groupItem);
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updateItemCaptionAndTags(blankPageItem);
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beginInsertRows(QModelIndex(), insertRow, insertRow);
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m_pageGroupItems.insert(std::next(m_pageGroupItems.begin(), insertRow), std::move(blankPageItem));
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endInsertRows();
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}
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void PageItemModel::rotateLeft(const QModelIndexList& list)
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{
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if (list.isEmpty())
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@ -460,6 +500,11 @@ void PageItemModel::createDocumentGroup(int index)
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QString PageItemModel::getGroupNameFromDocument(int index) const
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{
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if (index == -1)
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{
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return tr("Page Group");
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}
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const DocumentItem& item = m_documents.at(index);
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QString title = item.document.getInfo()->title;
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@ -482,7 +527,10 @@ void PageItemModel::updateItemCaptionAndTags(PageGroupItem& item) const
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pdf::PDFClosedIntervalSet pageSet;
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for (const auto& groupItem : item.groups)
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{
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pageSet.addInterval(groupItem.pageIndex, groupItem.pageIndex);
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if (groupItem.pageIndex != -1)
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{
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pageSet.addInterval(groupItem.pageIndex, groupItem.pageIndex);
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}
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}
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item.groupName = getGroupNameFromDocument(*documentIndices.begin());
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@ -494,6 +542,41 @@ void PageItemModel::updateItemCaptionAndTags(PageGroupItem& item) const
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item.pagesCaption = tr("Page Count: %1").arg(item.groups.size());
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}
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bool hasImages = false;
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bool hasEmptyPage = false;
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size_t imageCount = 0;
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size_t emptyPageCount = 0;
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for (const PageGroupItem::GroupItem& group : item.groups)
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{
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switch (group.pageType)
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{
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case pdfdocpage::PT_DocumentPage:
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break;
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case pdfdocpage::PT_Image:
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hasImages = true;
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++imageCount;
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break;
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case pdfdocpage::PT_Empty:
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hasEmptyPage = true;
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++emptyPageCount;
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break;
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}
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}
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if (imageCount == pageCount)
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{
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item.groupName = imageCount == 1 ? tr("Image") : tr("Images");
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}
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if (emptyPageCount == pageCount)
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{
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item.groupName = emptyPageCount == 1 ? tr("Blank Page") : tr("Blank Pages");
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}
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item.tags.clear();
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if (pageCount > 1)
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{
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@ -501,7 +584,15 @@ void PageItemModel::updateItemCaptionAndTags(PageGroupItem& item) const
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}
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if (documentIndices.size() > 1)
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{
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item.tags << QString("#BBBB00@Collection");
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item.tags << tr("#BBBB00@Collection");
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}
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if (hasEmptyPage)
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{
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item.tags << tr("#D98335@Blank");
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}
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if (hasImages)
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{
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item.tags << tr("#24A5EA@Image");
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}
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}
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@ -26,6 +26,13 @@
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namespace pdfdocpage
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{
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enum PageType
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{
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PT_DocumentPage,
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PT_Image,
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PT_Empty
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};
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struct PageGroupItem
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{
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QString groupName;
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@ -36,10 +43,12 @@ struct PageGroupItem
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{
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auto operator<=>(const GroupItem&) const = default;
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int documentIndex = 0;
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pdf::PDFInteger pageIndex;
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int documentIndex = -1;
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pdf::PDFInteger pageIndex = -1;
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pdf::PDFInteger imageIndex = -1;
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QSizeF rotatedPageDimensionsMM;
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pdf::PageRotation pageAdditionalRotation = pdf::PageRotation::None;
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PageType pageType = PT_DocumentPage;
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};
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std::vector<GroupItem> groups;
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@ -122,6 +131,7 @@ public:
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QModelIndexList restoreRemovedItems();
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QModelIndexList cloneSelection(const QModelIndexList& list);
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void removeSelection(const QModelIndexList& list);
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void insertEmptyPage(const QModelIndexList& list);
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void rotateLeft(const QModelIndexList& list);
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void rotateRight(const QModelIndexList& list);
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@ -132,6 +142,7 @@ private:
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void createDocumentGroup(int index);
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QString getGroupNameFromDocument(int index) const;
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void updateItemCaptionAndTags(PageGroupItem& item) const;
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void insertEmptyPage(const QModelIndex& index);
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QItemSelection getSelectionImpl(std::function<bool(const PageGroupItem::GroupItem&)> filter) const;
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