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Viewing changes to scidavis/src/future/core/Project.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Ruben Molina
  • Date: 2009-09-06 11:34:04 UTC
  • Revision ID: james.westby@ubuntu.com-20090906113404-4awaey82l3686w4q
Tags: upstream-0.2.3
Import upstream version 0.2.3

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scidavis/src/future/core/Project.cpp
 
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/***************************************************************************
 
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    File                 : Project.cpp
 
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    Project              : SciDAVis
 
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    Description          : Represents a SciDAVis project.
 
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    --------------------------------------------------------------------
 
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    Copyright            : (C) 2007 Tilman Benkert (thzs*gmx.net)
 
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    Copyright            : (C) 2007 Knut Franke (knut.franke*gmx.de)
 
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                           (replace * with @ in the email addresses) 
 
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 ***************************************************************************/
 
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/***************************************************************************
 
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 *                                                                         *
 
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 *  This program is free software; you can redistribute it and/or modify   *
 
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 *  it under the terms of the GNU General Public License as published by   *
 
16
 *  the Free Software Foundation; either version 2 of the License, or      *
 
17
 *  (at your option) any later version.                                    *
 
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 *                                                                         *
 
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 *  This program is distributed in the hope that it will be useful,        *
 
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
 
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
 
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 *  GNU General Public License for more details.                           *
 
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 *                                                                         *
 
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 *   You should have received a copy of the GNU General Public License     *
 
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 *   along with this program; if not, write to the Free Software           *
 
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 *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
 
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 *   Boston, MA  02110-1301  USA                                           *
 
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 *                                                                         *
 
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 ***************************************************************************/
 
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#include "core/Project.h"
 
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#ifndef LEGACY_CODE_0_2_x
 
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#include "core/ProjectWindow.h"
 
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#include "core/ScriptingEngineManager.h"
 
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#endif
 
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#include "core/interfaces.h"
 
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#include "core/globals.h"
 
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#include "lib/XmlStreamReader.h"
 
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#include "core/ProjectConfigPage.h"
 
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#include <QUndoStack>
 
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#include <QString>
 
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#include <QKeySequence>
 
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#include <QMenu>
 
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#include <QSettings>
 
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#include <QPluginLoader>
 
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#include <QComboBox>
 
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#include <QFile>
 
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#include <QXmlStreamWriter>
 
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#include <QtDebug>
 
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#define NOT_IMPL (QMessageBox::information(0, "info", "not yet implemented"))
 
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class Project::Private
 
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{
 
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        public:
 
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                Private() :
 
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                        mdi_window_visibility(static_cast<MdiWindowVisibility>(Project::global("default_mdi_window_visibility").toInt())),
 
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                        primary_view(0),
 
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                        scripting_engine(0) {}
 
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                ~Private() {
 
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#ifndef LEGACY_CODE_0_2_x
 
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                        delete primary_view;
 
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#endif
 
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                }
 
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                QUndoStack undo_stack;
 
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                MdiWindowVisibility mdi_window_visibility;
 
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#ifndef LEGACY_CODE_0_2_x
 
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                ProjectWindow * primary_view;
 
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#else
 
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                void * primary_view;
 
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#endif
 
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                AbstractScriptingEngine * scripting_engine;
 
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                QString file_name;
 
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};
 
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Project::Project()
 
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        : future::Folder(tr("Unnamed")), d(new Private())
 
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{
 
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#ifndef LEGACY_CODE_0_2_x
 
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        // TODO: intelligent engine choosing
 
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        Q_ASSERT(ScriptingEngineManager::instance()->engineNames().size() > 0);
 
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        QString engine_name = ScriptingEngineManager::instance()->engineNames()[0];
 
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        d->scripting_engine = ScriptingEngineManager::instance()->engine(engine_name);
 
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#endif
 
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}
 
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Project::~Project()
 
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{
 
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        delete d;
 
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}
 
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QUndoStack *Project::undoStack() const
 
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{
 
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        return &d->undo_stack;
 
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}
 
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#ifndef LEGACY_CODE_0_2_x
 
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ProjectWindow *Project::view()
 
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{
 
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        if (!d->primary_view)
 
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                d->primary_view = new ProjectWindow(this);
 
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        return d->primary_view;
 
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#else
 
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void *Project::view()
 
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{
 
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        return NULL;
 
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#endif
 
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}
 
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QMenu *Project::createContextMenu() const
 
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{
 
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#ifndef LEGACY_CODE_0_2_x
 
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        return const_cast<Project *>(this)->view()->createContextMenu();
 
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#else
 
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        return NULL;
 
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#endif
 
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}
 
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QMenu *Project::createFolderContextMenu(const future::Folder * folder) const
 
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{
 
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#ifndef LEGACY_CODE_0_2_x
 
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        return const_cast<Project *>(this)->view()->createFolderContextMenu(folder);
 
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#else
 
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        Q_UNUSED(folder)
 
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        return NULL;
 
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#endif
 
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}
 
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void Project::setMdiWindowVisibility(MdiWindowVisibility visibility)
 
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{ 
 
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        d->mdi_window_visibility = visibility; 
 
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#ifndef LEGACY_CODE_0_2_x
 
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        view()->updateMdiWindowVisibility();
 
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#endif
 
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}
 
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Project::MdiWindowVisibility Project::mdiWindowVisibility() const 
 
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{ 
 
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        return d->mdi_window_visibility; 
 
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}
 
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AbstractScriptingEngine * Project::scriptingEngine() const
 
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{
 
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        return d->scripting_engine;
 
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}
 
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/* ================== static methods ======================= */
 
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ConfigPageWidget * Project::makeConfigPage()
 
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{
 
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         return new ProjectConfigPage();
 
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}
 
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QString Project::configPageLabel()
 
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{
 
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        return QObject::tr("General");
 
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}
 
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void Project::setFileName(const QString & file_name)
 
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{
 
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        d->file_name = file_name;
 
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}
 
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QString Project::fileName() const
 
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{
 
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        return d->file_name;
 
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}
 
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void Project::save(QXmlStreamWriter * writer) const
 
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{
 
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        writer->writeStartDocument();
 
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        writer->writeStartElement("scidavis_project");
 
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        writer->writeAttribute("version", QString::number(SciDAVis::version()));
 
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        // TODO: write project attributes
 
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        writer->writeStartElement("project_root");
 
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        future::Folder::save(writer);
 
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        writer->writeEndElement(); // "project_root"
 
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        writer->writeEndElement(); // "scidavis_project"
 
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        writer->writeEndDocument();
 
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}
 
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bool Project::load(XmlStreamReader * reader)
 
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{
 
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        while (!(reader->isStartDocument() || reader->atEnd()))
 
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                reader->readNext();
 
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        if(!(reader->atEnd()))
 
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        {
 
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                if (!reader->skipToNextTag()) return false;
 
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                if (reader->name() == "scidavis_project") 
 
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                {
 
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                        bool ok;
 
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                        int version = reader->readAttributeInt("version", &ok);
 
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                        if(!ok) 
 
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                        {
 
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                                reader->raiseError(tr("invalid or missing project version"));
 
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                                return false;
 
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                        }
 
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                        // version dependent staff goes here
 
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                        while (!reader->atEnd()) 
 
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                        {
 
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                                reader->readNext();
 
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                                if (reader->isEndElement()) break;
 
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                                if (reader->isStartElement()) 
 
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                                {
 
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                                        if (reader->name() == "project_root")
 
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                                        {
 
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                                                if (!reader->skipToNextTag()) return false;
 
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                                                if (!future::Folder::load(reader)) return false;
 
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                                                if (!reader->skipToNextTag()) return false;
 
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                                                Q_ASSERT(reader->isEndElement() && reader->name() == "project_root");
 
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                                        }
 
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                                        else // unknown element
 
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                                        {
 
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                                                reader->raiseWarning(tr("unknown element '%1'").arg(reader->name().toString()));
 
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                                                if (!reader->skipToEndElement()) return false;
 
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                                        }
 
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                                } 
 
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                        }
 
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                }
 
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                else // no project element
 
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                        reader->raiseError(tr("no scidavis_project element found"));
 
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        }
 
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        else // no start document
 
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                reader->raiseError(tr("no valid XML document found"));
 
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        return !reader->hasError();
 
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}
 
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