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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.
*/

/***************************************************************************
*   Copyright (C) 2006 by Franz Schmid                                   *
*   franz.schmid@altmuehlnet.de                                                   *
*                                                                         *
*   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.             *
***************************************************************************/


#include "patterndialog.h"
#include "patterndialog.moc"
#include "customfdialog.h"
#include "prefsmanager.h"
#include "prefsfile.h"
#include "util.h"
#include <qpixmap.h>
#include <qimage.h>

PatternDialog::PatternDialog(QWidget* parent, QMap<QString, ScPattern> *docPatterns, ScribusDoc *doc) : patternDialogBase(parent)
{
        m_doc = doc;
        patternView->clear();
        for (QMap<QString, ScPattern>::Iterator it = docPatterns->begin(); it != docPatterns->end(); ++it)
        {
                dialogPatterns.insert(it.key(), it.data());
        }
        updatePatternList();
        buttonRemove->setEnabled(false);
        connect(buttonOK, SIGNAL(clicked()), this, SLOT(accept()));
        connect(buttonCancel, SIGNAL(clicked()), this, SLOT(reject()));
        connect(buttonLoad, SIGNAL(clicked()), this, SLOT(loadPattern()));
        connect(buttonRemove, SIGNAL(clicked()), this, SLOT(removePattern()));
        connect(patternView, SIGNAL(clicked(QIconViewItem*)), this, SLOT(patternSelected(QIconViewItem*)));
}

void PatternDialog::updatePatternList()
{
        patternView->clear();
        for (QMap<QString, ScPattern>::Iterator it = dialogPatterns.begin(); it != dialogPatterns.end(); ++it)
        {
                QPixmap pm;
                if (it.data().getPattern()->width() > it.data().getPattern()->height())
                        pm.convertFromImage(it.data().getPattern()->scaleWidth(48));
                else
                        pm.convertFromImage(it.data().getPattern()->scaleHeight(48));
                (void) new QIconViewItem(patternView, it.key(), pm);
        }
}

void PatternDialog::loadPattern()
{
        QString fileName;
        QString formatD(setupImageFormats());
        PrefsContext* dirs = PrefsManager::instance()->prefsFile->getContext("dirs");
        QString wdir = dirs->get("patterns", ".");
        CustomFDialog dia(this, wdir, tr("Open"), formatD, fdShowPreview | fdExistingFiles);
        if (dia.exec() == QDialog::Accepted)
                fileName = dia.selectedFile();
        else
                return;
        if (!fileName.isEmpty())
        {
                PrefsManager::instance()->prefsFile->getContext("dirs")->set("patterns", fileName.left(fileName.findRev("/")));
                QFileInfo fi(fileName);
                QString patNam = fi.baseName().stripWhiteSpace().simplifyWhiteSpace().replace(" ", "_");
                ScPattern pat = ScPattern();
                pat.setDoc(m_doc);
                pat.setPattern(fileName);
                if (!dialogPatterns.contains(patNam))
                {
                        dialogPatterns.insert(patNam, pat);
                        updatePatternList();
                }
        }
}

void PatternDialog::patternSelected(QIconViewItem* it)
{
        if (it)
                buttonRemove->setEnabled(true);
        else
        {
                buttonRemove->setEnabled(false);
                patternView->clearSelection();
        }
}

void PatternDialog::removePattern()
{
        QIconViewItem *it = patternView->currentItem();
        if (it)
        {
                dialogPatterns.remove(it->text());
                updatePatternList();
        }
}