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/*
Copyright 2014 S. Razi Alavizadeh
Copyright 2013-2014 Adam Reichold
This file is part of qpdfview.
qpdfview is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
qpdfview is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with qpdfview. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DOCUMENTMODEL_H
#define DOCUMENTMODEL_H
#include <QList>
#include <QPainterPath>
#include <QtPlugin>
#include <QWidget>
#include <QVector>
class QAbstractItemModel;
class QColor;
class QImage;
class QPrinter;
class QSizeF;
#include "global.h"
namespace qpdfview
{
namespace Model
{
struct Link
{
QPainterPath boundary;
int page;
qreal left;
qreal top;
QString urlOrFileName;
Link() : boundary(), page(-1), left(qQNaN()), top(qQNaN()), urlOrFileName() {}
Link(const QPainterPath& boundary, int page, qreal left = qQNaN(), qreal top = qQNaN()) : boundary(boundary), page(page), left(left), top(top), urlOrFileName() {}
Link(const QRectF& boundingRect, int page, qreal left = qQNaN(), qreal top = qQNaN()) : boundary(), page(page), left(left), top(top), urlOrFileName() { boundary.addRect(boundingRect); }
Link(const QPainterPath& boundary, const QString& url) : boundary(boundary), page(-1), left(qQNaN()), top(qQNaN()), urlOrFileName(url) {}
Link(const QRectF& boundingRect, const QString& url) : boundary(), page(-1), left(qQNaN()), top(qQNaN()), urlOrFileName(url) { boundary.addRect(boundingRect); }
Link(const QPainterPath& boundary, const QString& fileName, int page) : boundary(boundary), page(page), left(qQNaN()), top(qQNaN()), urlOrFileName(fileName) {}
Link(const QRectF& boundingRect, const QString& fileName, int page) : boundary(), page(page), left(qQNaN()), top(qQNaN()), urlOrFileName(fileName) { boundary.addRect(boundingRect); }
};
struct Section;
typedef QVector< Section > Outline;
struct Section
{
QString title;
Link link;
Outline children;
};
typedef QVector< QPair< QString, QString > > Properties;
class Annotation : public QObject
{
Q_OBJECT
public:
Annotation(QObject* parent = 0) : QObject(parent) {}
virtual ~Annotation() {}
virtual QRectF boundary() const = 0;
virtual QString contents() const = 0;
virtual QWidget* createWidget() = 0;
signals:
void wasModified();
};
class FormField : public QObject
{
Q_OBJECT
public:
FormField(QObject* parent = 0) : QObject(parent) {}
virtual ~FormField() {}
virtual QRectF boundary() const = 0;
virtual QString name() const = 0;
virtual QWidget* createWidget() = 0;
signals:
void wasModified();
};
class Page
{
public:
virtual ~Page() {}
virtual QSizeF size() const = 0;
virtual QImage render(qreal horizontalResolution = 72.0, qreal verticalResolution = 72.0, Rotation rotation = RotateBy0, QRect boundingRect = QRect()) const = 0;
virtual QString label() const { return QString(); }
virtual QList< Link* > links() const { return QList< Link* >(); }
virtual QString text(const QRectF& rect) const { Q_UNUSED(rect); return QString(); }
virtual QString cachedText(const QRectF& rect) const { return text(rect); }
virtual QList< QRectF > search(const QString& text, bool matchCase, bool wholeWords) const { Q_UNUSED(text); Q_UNUSED(matchCase); Q_UNUSED(wholeWords); return QList< QRectF >(); }
virtual QList< Annotation* > annotations() const { return QList< Annotation* >(); }
virtual bool canAddAndRemoveAnnotations() const { return false; }
virtual Annotation* addTextAnnotation(const QRectF& boundary, const QColor& color) { Q_UNUSED(boundary); Q_UNUSED(color); return 0; }
virtual Annotation* addHighlightAnnotation(const QRectF& boundary, const QColor& color) { Q_UNUSED(boundary); Q_UNUSED(color); return 0; }
virtual void removeAnnotation(Annotation* annotation) { Q_UNUSED(annotation); }
virtual QList< FormField* > formFields() const { return QList< FormField* >(); }
};
class Document
{
public:
virtual ~Document() {}
virtual int numberOfPages() const = 0;
virtual Page* page(int index) const = 0;
virtual bool isLocked() const { return false; }
virtual bool unlock(const QString& password) { Q_UNUSED(password); return false; }
virtual QStringList saveFilter() const { return QStringList(); }
virtual bool canSave() const { return false; }
virtual bool save(const QString& filePath, bool withChanges) const { Q_UNUSED(filePath); Q_UNUSED(withChanges); return false; }
virtual bool canBePrintedUsingCUPS() const { return false; }
virtual void setPaperColor(const QColor& paperColor) { Q_UNUSED(paperColor); }
enum
{
PageRole = Qt::UserRole + 1,
LeftRole,
TopRole,
FileNameRole,
ExpansionRole
};
virtual Outline outline() const { return Outline(); }
virtual Properties properties() const { return Properties(); }
virtual QAbstractItemModel* fonts() const { return 0; }
virtual bool wantsContinuousMode() const { return false; }
virtual bool wantsSinglePageMode() const { return false; }
virtual bool wantsTwoPagesMode() const { return false; }
virtual bool wantsTwoPagesWithCoverPageMode() const { return false; }
virtual bool wantsRightToLeftMode() const { return false; }
};
}
class SettingsWidget : public QWidget
{
Q_OBJECT
public:
explicit SettingsWidget(QWidget* parent = 0) : QWidget(parent) {}
virtual void accept() = 0;
virtual void reset() = 0;
};
class Plugin
{
public:
virtual ~Plugin() {}
virtual Model::Document* loadDocument(const QString& filePath) const = 0;
virtual SettingsWidget* createSettingsWidget(QWidget* parent = 0) const { Q_UNUSED(parent); return 0; }
};
} // qpdfview
Q_DECLARE_INTERFACE(qpdfview::Plugin, "local.qpdfview.Plugin")
#endif // DOCUMENTMODEL_H
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