okular/core/documentcommands_p.h
2018-08-31 12:23:45 +03:00

316 lines
11 KiB
C++

/***************************************************************************
* Copyright (C) 2013 Jon Mease <jon.mease@gmail.com> *
* Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group *
* company, info@kdab.com. Work sponsored by the *
* LiMux project of the city of Munich *
* *
* This program 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. *
***************************************************************************/
#ifndef _OKULAR_DOCUMENT_COMMANDS_P_H_
#define _OKULAR_DOCUMENT_COMMANDS_P_H_
#include <QUndoCommand>
#include <QDomNode>
#include "area.h"
namespace Okular {
class Document;
class Annotation;
class DocumentPrivate;
class FormFieldText;
class FormFieldButton;
class FormFieldChoice;
class Page;
class OkularUndoCommand : public QUndoCommand
{
public:
virtual bool refreshInternalPageReferences( const QVector< Okular::Page * > &newPagesVector ) = 0;
};
class AddAnnotationCommand : public OkularUndoCommand
{
public:
AddAnnotationCommand(Okular::DocumentPrivate * docPriv, Okular::Annotation* annotation, int pageNumber);
virtual ~AddAnnotationCommand();
void undo() override;
void redo() override;
bool refreshInternalPageReferences( const QVector< Okular::Page * > &newPagesVector ) override;
private:
Okular::DocumentPrivate * m_docPriv;
Okular::Annotation* m_annotation;
int m_pageNumber;
bool m_done;
};
class RemoveAnnotationCommand : public OkularUndoCommand
{
public:
RemoveAnnotationCommand(Okular::DocumentPrivate * doc, Okular::Annotation* annotation, int pageNumber);
virtual ~RemoveAnnotationCommand();
void undo() override;
void redo() override;
bool refreshInternalPageReferences( const QVector< Okular::Page * > &newPagesVector ) override;
private:
Okular::DocumentPrivate * m_docPriv;
Okular::Annotation* m_annotation;
int m_pageNumber;
bool m_done;
};
class ModifyAnnotationPropertiesCommand : public OkularUndoCommand
{
public:
ModifyAnnotationPropertiesCommand( Okular::DocumentPrivate* docPriv, Okular::Annotation* annotation,
int pageNumber,
QDomNode oldProperties,
QDomNode newProperties );
void undo() override;
void redo() override;
bool refreshInternalPageReferences( const QVector< Okular::Page * > &newPagesVector ) override;
private:
Okular::DocumentPrivate * m_docPriv;
Okular::Annotation* m_annotation;
int m_pageNumber;
QDomNode m_prevProperties;
QDomNode m_newProperties;
};
class TranslateAnnotationCommand : public OkularUndoCommand
{
public:
TranslateAnnotationCommand(Okular::DocumentPrivate* docPriv,
Okular::Annotation* annotation,
int pageNumber,
const Okular::NormalizedPoint & delta,
bool completeDrag
);
void undo() override;
void redo() override;
int id() const override;
bool mergeWith(const QUndoCommand *uc) override;
Okular::NormalizedPoint minusDelta();
Okular::NormalizedRect translateBoundingRectangle( const Okular::NormalizedPoint & delta );
bool refreshInternalPageReferences( const QVector< Okular::Page * > &newPagesVector ) override;
private:
Okular::DocumentPrivate * m_docPriv;
Okular::Annotation* m_annotation;
int m_pageNumber;
Okular::NormalizedPoint m_delta;
bool m_completeDrag;
};
class AdjustAnnotationCommand : public OkularUndoCommand
{
public:
AdjustAnnotationCommand(Okular::DocumentPrivate * docPriv,
Okular::Annotation * annotation,
int pageNumber,
const Okular::NormalizedPoint & delta1,
const Okular::NormalizedPoint & delta2,
bool completeDrag
);
void undo() override;
void redo() override;
int id() const override;
bool mergeWith(const QUndoCommand * uc) override;
Okular::NormalizedRect adjustBoundingRectangle(
const Okular::NormalizedPoint & delta1, const Okular::NormalizedPoint & delta2 );
bool refreshInternalPageReferences( const QVector< Okular::Page * > &newPagesVector ) override;
private:
Okular::DocumentPrivate * m_docPriv;
Okular::Annotation* m_annotation;
int m_pageNumber;
Okular::NormalizedPoint m_delta1;
Okular::NormalizedPoint m_delta2;
bool m_completeDrag;
};
class EditTextCommand : public OkularUndoCommand
{
public:
EditTextCommand( const QString & newContents,
int newCursorPos,
const QString & prevContents,
int prevCursorPos,
int prevAnchorPos
);
void undo() override = 0;
void redo() override = 0;
int id() const override = 0;
bool mergeWith(const QUndoCommand *uc) override;
private:
enum EditType {
CharBackspace, ///< Edit made up of one or more single character backspace operations
CharDelete, ///< Edit made up of one or more single character delete operations
CharInsert, ///< Edit made up of one or more single character insertion operations
OtherEdit ///< All other edit operations (these will not be merged together)
};
QString oldContentsLeftOfCursor();
QString newContentsLeftOfCursor();
QString oldContentsRightOfCursor();
QString newContentsRightOfCursor();
protected:
QString m_newContents;
int m_newCursorPos;
QString m_prevContents;
int m_prevCursorPos;
int m_prevAnchorPos;
EditType m_editType;
};
class EditAnnotationContentsCommand : public EditTextCommand
{
public:
EditAnnotationContentsCommand(Okular::DocumentPrivate* docPriv,
Okular::Annotation* annotation,
int pageNumber,
const QString & newContents,
int newCursorPos,
const QString & prevContents,
int prevCursorPos,
int prevAnchorPos
);
void undo() override;
void redo() override;
int id() const override;
bool mergeWith(const QUndoCommand *uc) override;
bool refreshInternalPageReferences( const QVector< Okular::Page * > &newPagesVector ) override;
private:
Okular::DocumentPrivate * m_docPriv;
Okular::Annotation* m_annotation;
int m_pageNumber;
};
class EditFormTextCommand : public EditTextCommand
{
public:
EditFormTextCommand( Okular::DocumentPrivate* docPriv,
Okular::FormFieldText* form,
int pageNumber,
const QString & newContents,
int newCursorPos,
const QString & prevContents,
int prevCursorPos,
int prevAnchorPos );
void undo() override;
void redo() override;
int id() const override;
bool mergeWith( const QUndoCommand *uc ) override;
bool refreshInternalPageReferences( const QVector< Okular::Page * > &newPagesVector ) override;
private:
Okular::DocumentPrivate* m_docPriv;
Okular::FormFieldText* m_form;
int m_pageNumber;
};
class EditFormListCommand : public OkularUndoCommand
{
public:
EditFormListCommand( Okular::DocumentPrivate* docPriv,
FormFieldChoice* form,
int pageNumber,
const QList< int > & newChoices,
const QList< int > & prevChoices
);
void undo() override;
void redo() override;
bool refreshInternalPageReferences( const QVector< Okular::Page * > &newPagesVector ) override;
private:
Okular::DocumentPrivate* m_docPriv;
FormFieldChoice* m_form;
int m_pageNumber;
QList< int > m_newChoices;
QList< int > m_prevChoices;
};
class EditFormComboCommand : public EditTextCommand
{
public:
EditFormComboCommand( Okular::DocumentPrivate* docPriv,
FormFieldChoice* form,
int pageNumber,
const QString & newText,
int newCursorPos,
const QString & prevText,
int prevCursorPos,
int prevAnchorPos
);
void undo() override;
void redo() override;
int id() const override;
bool mergeWith( const QUndoCommand *uc ) override;
bool refreshInternalPageReferences( const QVector< Okular::Page * > &newPagesVector ) override;
private:
Okular::DocumentPrivate* m_docPriv;
FormFieldChoice* m_form;
int m_pageNumber;
int m_newIndex;
int m_prevIndex;
};
class EditFormButtonsCommand : public OkularUndoCommand
{
public:
EditFormButtonsCommand( Okular::DocumentPrivate* docPriv,
int pageNumber,
const QList< FormFieldButton* > & formButtons,
const QList< bool > & newButtonStates
);
void undo() override;
void redo() override;
bool refreshInternalPageReferences( const QVector< Okular::Page * > &newPagesVector ) override;
private:
void clearFormButtonStates();
private:
Okular::DocumentPrivate* m_docPriv;
int m_pageNumber;
QList< FormFieldButton* > m_formButtons;
QList< bool > m_newButtonStates;
QList< bool > m_prevButtonStates;
};
}
#endif
/* kate: replace-tabs on; indent-width 4; */