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/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/

#include "commonstrings.h"

#include "importps.h"
#include "importpsplugin.h"

#include "prefscontext.h"
#include "prefsfile.h"
#include "prefsmanager.h"
#include "scconfig.h"
#include "scpage.h"
#include "scraction.h"
#include "scribuscore.h"
#include "undomanager.h"
#include "util_formats.h"

#include "ui/customfdialog.h"
#include "ui/scmwmenumanager.h"

int importps_getPluginAPIVersion()
{
        return PLUGIN_API_VERSION;
}

ScPlugin* importps_getPlugin()
{
        ImportPSPlugin* plug = new ImportPSPlugin();
        Q_CHECK_PTR(plug);
        return plug;
}

void importps_freePlugin(ScPlugin* plugin)
{
        ImportPSPlugin* plug = dynamic_cast<ImportPSPlugin*>(plugin);
        Q_ASSERT(plug);
        delete plug;
}

ImportPSPlugin::ImportPSPlugin() : LoadSavePlugin(),
        importAction(new ScrAction(ScrAction::DLL, "", QKeySequence(), this))
{
        // Set action info in languageChange, so we only have to do it in one
        // place. This includes registering file format support.
        languageChange();
}
/*
void ImportPSPlugin::addToMainWindowMenu(ScribusMainWindow *mw)
{
        importAction->setEnabled(true);
        connect( importAction, SIGNAL(triggered()), SLOT(import()) );
        mw->scrMenuMgr->addMenuItem(importAction, "FileImport");
}
*/

void ImportPSPlugin::languageChange()
{
        importAction->setText( tr("Import PostScript..."));
        // (Re)register file format support
        unregisterAll();
        registerFormats();
}

ImportPSPlugin::~ImportPSPlugin()
{
        unregisterAll();
};

const QString ImportPSPlugin::fullTrName() const
{
        return QObject::tr("PostScript Importer");
}


const ScActionPlugin::AboutData* ImportPSPlugin::getAboutData() const
{
        AboutData* about = new AboutData;
        about->authors = "Franz Schmid <franz@scribus.info>";
        about->shortDescription = tr("Imports PostScript Files");
        about->description = tr("Imports most PostScript files into the current document,\nconverting their vector data into Scribus objects.");
        about->license = "GPL";
        Q_CHECK_PTR(about);
        return about;
}

void ImportPSPlugin::deleteAboutData(const AboutData* about) const
{
        Q_ASSERT(about);
        delete about;
}

void ImportPSPlugin::registerFormats()
{
        if (!ScCore->haveGS())
                return;
        FileFormat fmt(this);
        fmt.trName = FormatsManager::instance()->nameOfFormat(FormatsManager::EPS); // Human readable name
        fmt.formatId = 0;
        fmt.filter = FormatsManager::instance()->extensionsForFormat(FormatsManager::EPS);// QFileDialog filter
        fmt.fileExtensions = QStringList() << "eps" << "epsf" << "epsi" << "eps2" << "eps3" << "epi" << "ept";
        fmt.load = true;
        fmt.save = false;
        fmt.mimeTypes = FormatsManager::instance()->mimetypeOfFormat(FormatsManager::EPS); // MIME types
        fmt.priority = 64; // Priority
        registerFormat(fmt);
       
        FileFormat fmt2(this);
        fmt2.trName = FormatsManager::instance()->nameOfFormat(FormatsManager::PS); // Human readable name
        fmt2.formatId = 0;
        fmt2.filter = FormatsManager::instance()->extensionsForFormat(FormatsManager::PS);// QFileDialog filter
        fmt2.fileExtensions = QStringList() << "ps";
        fmt2.load = true;
        fmt2.save = false;
        fmt2.mimeTypes = FormatsManager::instance()->mimetypeOfFormat(FormatsManager::PS); // MIME types
        fmt2.priority = 64; // Priority
        registerFormat(fmt2);

        FileFormat fmt3(this);
        fmt3.trName = FormatsManager::instance()->nameOfFormat(FormatsManager::PDF); // Human readable name
        fmt3.formatId = 0;
        fmt3.filter = FormatsManager::instance()->extensionsForFormat(FormatsManager::PDF);// QFileDialog filter
        fmt3.fileExtensions = QStringList() << "pdf";
        fmt3.load = true;
        fmt3.save = false;
        fmt3.mimeTypes = FormatsManager::instance()->mimetypeOfFormat(FormatsManager::PDF); // MIME types
        fmt3.priority = 64; // Priority
        registerFormat(fmt3);
}

bool ImportPSPlugin::fileSupported(QIODevice* /* file */, const QString & fileName) const
{
        // TODO: check for %!PS-Adobe
        return true;
}

bool ImportPSPlugin::loadFile(const QString & fileName, const FileFormat &, int flags, int /*index*/)
{
        // There's only one format to handle, so we just call import(...)
        return import(fileName, flags);
}

bool ImportPSPlugin::import(QString fileName, int flags)
{
        if (!checkFlags(flags))
                return false;
        if( fileName.isEmpty() )
        {
                flags |= lfInteractive;
                PrefsContext* prefs = PrefsManager::instance()->prefsFile->getPluginContext("importps");
                QString wdir = prefs->get("wdir", ".");
                CustomFDialog diaf(ScCore->primaryMainWindow(), wdir, QObject::tr("Open"), FormatsManager::instance()->fileDialogFormatList(FormatsManager::EPS|FormatsManager::PS));
                if (diaf.exec())
                {
                        fileName = diaf.selectedFile();
                        prefs->set("wdir", fileName.left(fileName.lastIndexOf("/")));
                }
                else
                        return true;
        }
        m_Doc=ScCore->primaryMainWindow()->doc;
        UndoTransaction* activeTransaction = NULL;
        bool emptyDoc = (m_Doc == NULL);
        bool hasCurrentPage = (m_Doc && m_Doc->currentPage());
        TransactionSettings trSettings;
        trSettings.targetName   = hasCurrentPage ? m_Doc->currentPage()->getUName() : "";
        trSettings.targetPixmap = Um::IImageFrame;
        trSettings.actionName   = Um::ImportEPS;
        trSettings.description  = fileName;
        trSettings.actionPixmap = Um::IEPS;
        if (emptyDoc || !(flags & lfInteractive) || !(flags & lfScripted))
                UndoManager::instance()->setUndoEnabled(false);
        if (UndoManager::undoEnabled())
        {
                activeTransaction = new UndoTransaction(UndoManager::instance()->beginTransaction(trSettings));
        }
        EPSPlug *dia = new EPSPlug(m_Doc, flags);
        Q_CHECK_PTR(dia);
        dia->import(fileName, trSettings, flags);
        if (activeTransaction)
        {
                activeTransaction->commit();
                delete activeTransaction;
                activeTransaction = NULL;
        }
        if (emptyDoc || !(flags & lfInteractive) || !(flags & lfScripted))
                UndoManager::instance()->setUndoEnabled(true);
        delete dia;
        return true;
}