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/*
* Copyright (C) 1993-2008 Robert & Jeremy Laine
* See AUTHORS file for a full list of contributors.
*
* 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef FORMDOCUMENT_H
#define FORMDOCUMENT_H
#include <QWidget>
#include <vector>
#include "sailviewer-tabs.h"
using namespace std;
// forward definitions
class CPrefs;
class CException;
class QMenu;
#define T_KEYPRESS \
void keyPressEvent(QKeyEvent * e) { \
tabs->panel[tabs->currentIndex()]->keyPressEvent(e); \
};
/** A dialog holding a Sailcut document.
*/
class CFormDocument : public QWidget
{
Q_OBJECT
public:
/** The constructor. */
CFormDocument(CPrefs *myPrefs, QWidget *parent)
: QWidget(parent), prefs(myPrefs)
{};
virtual bool open(const QString &newfile) = 0;
virtual bool save() = 0;
virtual bool saveAs() = 0;
public:
/** Extra submenus for the File menu */
vector<QMenu*> extraFileMenus;
/** Extra actions for the View menu */
vector<QAction*> extraViewActions;
/** The current filename. */
QString filename;
protected:
/** The user preferences. */
CPrefs *prefs;
/** An optional tabbed widget */
CSailViewerTabs *tabs;
};
template <class deftype, class writertype>
class CFormDocumentTmpl : public CFormDocument
{
public:
/** The constructor.
*
* @params myPrefs
*/
CFormDocumentTmpl(CPrefs *myPrefs, QWidget *parent)
: CFormDocument(myPrefs, parent)
{}
;
/**
* Reads the definition from an XML file.
*/
virtual bool open(const QString &newfile)
{
try
{
deftype newdef = writertype().read(newfile);
setDef(newdef);
filename = newfile;
return true;
}
catch (CException e)
{
writertype::readErrorMessage();
}
return false;
};
/**
* Saves the definition to an XML file.
*/
virtual bool save()
{
if ( filename.isEmpty() )
return saveAs();
// try writing to file, catch exception
try
{
writertype().write(def, filename);
return true;
}
catch (CException e)
{
writertype::writeErrorMessage();
}
return false;
};
/**
* Opens a dialog to select the XML to which the definition should be saved.
*/
virtual bool saveAs()
{
QString newfile = writertype().writeDialog(def, filename);
if ( !newfile.isNull() )
{
filename = newfile;
return true;
}
return false;
};
protected:
virtual void setDef(const deftype& newdef) = 0;
protected:
deftype def;
};
#endif
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