/**
 * UGENE - Integrated Bioinformatics Tools.
 * Copyright (C) 2008-2017 UniPro <ugene@unipro.ru>
 * http://ugene.net
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#ifndef _U2_SIMPLE_TEXT_VIEW_H_
#define _U2_SIMPLE_TEXT_VIEW_H_

#include <U2Core/global.h>
#include <U2Gui/ObjectViewModel.h>
#include <U2Core/TextSelection.h>

#include <QPlainTextEdit>

namespace U2 {

class OpenSimpleTextObjectViewTask;

class U2VIEW_EXPORT SimpleTextObjectViewFactory : public GObjectViewFactory {
    Q_OBJECT
public:
    SimpleTextObjectViewFactory(QObject* p = NULL);

    static const GObjectViewFactoryId ID;

    virtual bool canCreateView(const MultiGSelection& multiSelection);

    virtual bool isStateInSelection(const MultiGSelection& multiSelection, const QVariantMap& stateData);

    virtual Task* createViewTask(const MultiGSelection& multiSelection, bool single = false);

    virtual Task* createViewTask(const QString& viewName, const QVariantMap& state);

    virtual bool supportsSavedStates() const {return true;}
};

class U2VIEW_EXPORT SimpleTextObjectView: public GObjectView {
    Q_OBJECT

    friend class SimpleTextObjectViewFactory;
public:
    SimpleTextObjectView(const QString& name, TextObject* to, const QVariantMap& state);

    virtual QVariantMap saveState();

    virtual Task* updateViewTask(const QString& stateName, const QVariantMap& stateData);

    virtual bool checkAddToView(const MultiGSelection& multiSelection);

    virtual Task* addToViewTask(const MultiGSelection& multiSelection);

    virtual const TextSelection& getSelectedText() {return selection;}

    virtual QWidget* createWidget();


    void updateView(const QVariantMap& stateData);

    // saved state accessors -> todo: extract into separate model class
    static QString getDocumentUrl(const QVariantMap& savedState);
    static QString getObjectName(const QVariantMap& savedState);

    static void setDocumentUrl(QVariantMap& savedState, const QString& url);

protected:
    bool eventFilter(QObject *obj, QEvent *event);

private slots:
    void sl_onTextEditTextChanged();
    void sl_onTextObjStateLockChanged();
private:
    TextObject*     textObject;
    QVariantMap     openState;
    TextSelection   selection;
    QPlainTextEdit* textEdit;
    bool            firstShow;
};


}//namespace

#endif
