StoredViewDialog_p.hpp

/*
 * Stellarium Scenery3d Plug-in
 *
 * Copyright (C) 2011-2015 Simon Parzer, Peter Neubauer, Georg Zotti, Andrei Borza, Florian Schaukowitsch
 *
 * 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, Suite 500, Boston, MA  02110-1335, USA.
 */

#ifndef _STOREDVIEWDIALOG_P_HPP_
#define _STOREDVIEWDIALOG_P_HPP_

#include "SceneInfo.hpp"

#include <QDebug>
#include <QTextEdit>
#include <QAbstractListModel>

class CustomTextEdit : public QTextEdit
{
    Q_OBJECT
public:
    CustomTextEdit(QWidget* parent = NULL) : QTextEdit(parent), textChanged(false), trackChange(false)
    {
        connect(this,&QTextEdit::textChanged,this,&CustomTextEdit::handleTextChange);
    }
protected:
    void focusInEvent(QFocusEvent* e)
    {
        trackChange = true;
        textChanged = false;
        QTextEdit::focusInEvent(e);
    }

    void focusOutEvent(QFocusEvent *e)
    {
        QTextEdit::focusOutEvent(e);
        trackChange = false;

        if(textChanged)
        {
            textChanged = false;
            emit editingFinished();
        }
    }
signals:
    void editingFinished();
private slots:
    void handleTextChange()
    {
        if(trackChange)
            textChanged = true;
    }

private:
    bool textChanged, trackChange;
};

class StoredViewModel : public QAbstractListModel
{
    Q_OBJECT
public:
    StoredViewModel(QObject* parent = NULL) : QAbstractListModel(parent)
    { }

    int rowCount(const QModelIndex &parent) const
    {
        if(parent.isValid())
            return 0;
        return global.size() + user.size();
    }

    QVariant data(const QModelIndex &index, int role) const
    {
        if(role == Qt::DisplayRole || role == Qt::EditRole)
        {
            return getViewAtIdx(index.row()).label;
        }
        if(role == Qt::DecorationRole)
        {
            if(getViewAtIdx(index.row()).isGlobal)
            {
                //TODO use a proper lock icon or something here
                return QIcon(":/graphicGui/folder.png");
            }
        }
        return QVariant();
    }

    const StoredView& getViewAtIdx(int idx) const
    {
        if(idx >= global.size())
        {
            return user[idx-global.size()];
        }
        else
        {
            return global[idx];
        }
    }

    StoredView& getViewAtIdx(int idx)
    {
        if(idx >= global.size())
        {
            return user[idx-global.size()];
        }
        else
        {
            return global[idx];
        }
    }


    QModelIndex addUserView(StoredView v)
    {
        int idx = global.size() + user.size();
        beginInsertRows(QModelIndex(),idx,idx);
        user.append(v);
        endInsertRows();
        persistUserViews();
        return index(idx);
    }

    void deleteView(int idx)
    {
        const StoredView& v = getViewAtIdx(idx);
        if(!v.isGlobal)
        {
            int useridx = idx - global.size();

            beginRemoveRows(QModelIndex(),idx,idx);
            user.removeAt(useridx);
            endRemoveRows();

            persistUserViews();
        }
        else
        {
            qWarning()<<"[StoredViewDialog] Cannot delete global view";
        }
    }

    void persistUserViews()
    {
        qDebug()<<"[StoredViewDialog] Persisting user views...";
        StoredView::saveUserViews(currentScene,user);
    }

    void updatedAtIdx(int idx)
    {
        QModelIndex mIdx = index(idx);
        persistUserViews();
        emit dataChanged(mIdx,mIdx);
    }

    SceneInfo getScene() { return currentScene; }

public slots:
    void setScene(const SceneInfo& scene)
    {
        qDebug()<<"[StoredViewDialog] Loading stored views for"<<scene.name;
        this->currentScene = scene;
        resetData(StoredView::getGlobalViewsForScene(currentScene),StoredView::getUserViewsForScene(currentScene));
        qDebug()<<"[StoredViewDialog]"<<rowCount(QModelIndex())<<"entries loaded";
    }

private:
    void resetData(const StoredViewList& global, const StoredViewList& user)
    {
        this->beginResetModel();
        this->global = global;
        this->user = user;
        this->endResetModel();
    }

    SceneInfo currentScene;
    StoredViewList global, user;
};


#endif