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#ifndef PDFEXPORT_H
#define PDFEXPORT_H
#include "pdfexport_global.h"
#include "plugins/genericexportplugin.h"
#include "config_builder.h"
#include <QPdfWriter>
#include <QFont>
#include <QColor>
class QPagedPaintDevice;
class QPainter;
class QTextOption;
class QFont;
namespace Cfg
{
PDFEXPORTSHARED_EXPORT QFont getPdfExportDefaultFont();
PDFEXPORTSHARED_EXPORT QStringList getPdfPageSizes();
}
CFG_CATEGORIES(PdfExportConfig,
CFG_CATEGORY(PdfExport,
CFG_ENTRY(QString, PageSize, "A4")
CFG_ENTRY(QStringList, PageSizes, Cfg::getPdfPageSizes())
CFG_ENTRY(int, Padding, 1)
CFG_ENTRY(bool, PrintRowNum, true)
CFG_ENTRY(bool, PrintPageNumbers, true)
CFG_ENTRY(int, TopMargin, 20)
CFG_ENTRY(int, RightMargin, 20)
CFG_ENTRY(int, BottomMargin, 20)
CFG_ENTRY(int, LeftMargin, 20)
CFG_ENTRY(int, MaxCellBytes, 100)
CFG_ENTRY(QFont, Font, Cfg::getPdfExportDefaultFont())
CFG_ENTRY(int, FontSize, 10)
CFG_ENTRY(QColor, HeaderBgColor, QColor(Qt::lightGray))
CFG_ENTRY(QColor, NullValueColor, QColor(Qt::gray))
)
)
class PDFEXPORTSHARED_EXPORT PdfExport : public GenericExportPlugin
{
Q_OBJECT
SQLITESTUDIO_PLUGIN("pdfexport.json")
public:
QString getFormatName() const;
ExportManager::StandardConfigFlags standardOptionsToEnable() const;
ExportManager::ExportProviderFlags getProviderFlags() const;
void validateOptions();
CfgMain* getConfig();
QString getExportConfigFormName() const;
QString defaultFileExtension() const;
bool beforeExportQueryResults(const QString& query, QList<QueryExecutor::ResultColumnPtr>& columns,
const QHash<ExportManager::ExportProviderFlag,QVariant> providedData);
bool exportQueryResultsRow(SqlResultsRowPtr row);
bool exportTable(const QString& database, const QString& table, const QStringList& columnNames, const QString& ddl, SqliteCreateTablePtr createTable,
const QHash<ExportManager::ExportProviderFlag,QVariant> providedData);
bool exportVirtualTable(const QString& database, const QString& table, const QStringList& columnNames, const QString& ddl, SqliteCreateVirtualTablePtr createTable,
const QHash<ExportManager::ExportProviderFlag,QVariant> providedData);
bool afterExport();
bool afterExportTable();
bool afterExportQueryResults();
bool exportTableRow(SqlResultsRowPtr data);
bool beforeExportDatabase(const QString& database);
bool exportIndex(const QString& database, const QString& name, const QString& ddl, SqliteCreateIndexPtr createIndex);
bool exportTrigger(const QString& database, const QString& name, const QString& ddl, SqliteCreateTriggerPtr createTrigger);
bool exportView(const QString& database, const QString& name, const QString& ddl, SqliteCreateViewPtr view);
void cleanupAfterExport();
bool isBinaryData() const;
bool init();
void deinit();
protected:
virtual QPagedPaintDevice* createPaintDevice(const QString& documentTitle, bool& takeOwnership);
int lineWidth = 15;
private:
struct DataCell
{
QString contents;
Qt::Alignment alignment = Qt::AlignLeft;
bool isNull = false;
bool isRowNum = false;
};
struct DataRow
{
enum class Type
{
NORMAL,
TOP_HEADER,
COLUMNS_HEADER
};
QList<DataCell> cells;
int height = 0;
Type type = Type::NORMAL;
};
struct ObjectCell
{
enum class Type
{
NORMAL,
LIST
};
QStringList contents;
Qt::Alignment alignment = Qt::AlignLeft;
bool headerBackground = false;
bool bold = false;
bool italic = false;
Type type = Type::NORMAL;
};
struct ObjectRow
{
enum class Type
{
MULTI,
SINGLE
};
QList<ObjectCell> cells;
int height = 0;
Type type = Type::SINGLE;
bool recalculateColumnWidths = false;
};
void prepareTableDataExport(const QString& table, const QStringList& columnNames, const QHash<ExportManager::ExportProviderFlag,QVariant> providedData);
QList<int> getColumnDataLengths(int columnCount, const QHash<ExportManager::ExportProviderFlag,QVariant> providedData);
bool beginDoc(const QString& title);
void endDoc();
void setupConfig();
void updateMargins();
void drawDdl(const QString& objName, const QString& ddl);
void clearDataHeaders();
void resetDataTable();
void exportDataHeader(const QString& contents);
void exportDataColumnsHeader(const QStringList& columns);
void exportDataRow(const QList<QVariant>& data);
void exportObjectHeader(const QString& contents);
void exportObjectColumnsHeader(const QStringList& columns);
void exportTableColumnRow(SqliteCreateTable::Column* column);
void exportTableConstraintsRow(const QList<SqliteCreateTable::Constraint*>& constrList);
void exportObjectRow(const QStringList& values);
void exportObjectRow(const QString& values);
void checkForDataRender();
void flushObjectPages();
void drawObjectTopLine(int y);
void drawObjectCellHeaderBackground(int x1, int y1, int x2, int y2);
void drawFooter();
void flushObjectRow(const ObjectRow& row, int y);
void flushObjectCell(const ObjectCell& cell, int x, int y, int w, int h);
void flushDataPages(bool forceRender = false);
void flushDataRowsPage(int columnStart, int columnEndBefore, int rowsToRender);
void flushDataRow(const DataRow& row, int& y, int columnStart, int columnEndBefore, int localRowNum);
void flushDataCell(const QRect& rect, const DataCell& cell);
void flushDataCell(const QRect& rect, const QString& contents, QTextOption* opt);
void flushDataHeaderRow(const DataRow& row, int& y, int totalColsWidth, int columnStart, int columnEndBefore);
void flushDataHeaderCell(int& x, int y, const DataRow& row, int col, QTextOption* opt);
void renderPageNumber();
int getPageNumberHeight();
void newPage();
void calculateDataColumnWidths(const QStringList& columnNames, const QList<int>& columnDataLengths, int columnToExpand = -1);
void calculateDataRowHeights();
int calculateRowHeight(int textWidth, const QString& contents);
int calculateRowHeight(int maxTextWidth, const QStringList& listContents);
int calculateBulletPrefixWidth();
void calculateObjectColumnWidths(int columnToExpand = -1);
int correctMaxObjectColumnWidths(int colCount, int columnToExpand);
void calculateObjectRowHeights();
int getDataColumnsWidth() const;
int getDataColumnsStartX() const;
int getContentsLeft() const;
int getContentsTop() const;
int getContentsRight() const;
int getContentsBottom() const;
qreal mmToPoints(qreal sizeMM);
//CFG_LOCAL_PERSISTABLE(PdfExportConfig, cfg)
QPagedPaintDevice* pagedWriter = nullptr;
bool takeDeviceOwnership = true;
QPainter* painter = nullptr;
QTextOption* textOption = nullptr;
QFont stdFont;
QFont boldFont;
QFont italicFont;
int totalRows = 0;
QList<ObjectRow> bufferedObjectRows; // object rows (for exporting ddl of all object)
QList<DataRow> bufferedDataRows; // data rows
int totalHeaderRowsHeight = 0; // total height of all current header rows
int currentHeaderMinWidth = 0; // minimum width of the object header, required to extend data columns when hey are slimmer than this
QList<int> calculatedObjectColumnWidths; // object column widths calculated basing on header column widths and columns from other object rows
QList<int> calculatedDataColumnWidths; // data column widths calculated basing on header column widths and data column widths
QList<int> columnsPerPage; // number of columns that will fit on each page
QScopedPointer<DataRow> headerRow; // Top level header (object name)
QScopedPointer<DataRow> columnsHeaderRow; // columns header for data tables
int rowNumColumnWidth = 0;
int pageWidth = 0;
int pageHeight = 0;
int minRowHeight = 0;
int rowsToPrebuffer = 0;
int currentPage = -1;
int rowNum = 0;
int lastRowY = 0;
qreal pointsPerMm = 1.0;
int maxColWidth = 0;
int maxRowHeight = 0;
int cellDataLimit = 100;
static QString bulletChar;
// Configurable fields
int padding = 0;
bool printRowNum = true;
bool printPageNumbers = true;
int topMargin = 0;
int rightMargin = 0;
int leftMargin = 0;
int bottomMargin = 0;
};
#endif // PDFEXPORT_H
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