/****************************************************************************
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the examples of the Qt Toolkit.
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** accordance with the Qt Commercial License Agreement provided with the
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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** packaging of this file.  Please review the following information to
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#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QDir>
#include <QtXml>
#include <QtGui>
#include <QHash>

#include "diagramitem.h"
#include "diagramscene.h"
#include "diagramtextitem.h"
#include "lineitem.h"
#include "arrow.h"
#include "ui_librarydialog.h"

class DiagramScene;
class Ui_libraryDialog;

QT_BEGIN_NAMESPACE
class QAction;
class QToolBox;
class QSpinBox;
class QComboBox;
class QFontComboBox;
class QButtonGroup;
class QLineEdit;
class QGraphicsTextItem;
class QFont;
class QToolButton;
class QAbstractButton;
class QGraphicsView;
QT_END_NAMESPACE

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
   MainWindow();
   QString filePath() const
       { return myFilePath;}
   QString currentDir() const
   { return QDir::currentPath();}

   int updateLibraries();

private slots:
    void backgroundButtonGroupClicked(QAbstractButton *button);
    void buttonGroupClicked(int id);
    void deleteItem();
    void pointerGroupClicked(int id);
    void bringToFront();
    void sendToBack();
    void itemInserted(DiagramItem *item);
    void textInserted(QGraphicsTextItem *item);
    void currentFontChanged(const QFont &font);
    void fontSizeChanged(const QString &size);
    void sceneScaleChanged(const QString &scale);
    void textColorChanged();
    void itemColorChanged();
    void lineColorChanged();
    void textButtonTriggered();
    void fillButtonTriggered();
    void lineButtonTriggered();
    void handleFontChange();
    void itemSelected(QGraphicsItem *item);
    void about();

    int newDiagram(QString pathFile="");
    int openDiagram();
    int saveDiagram();
    int saveAsDiagram();
    int exportDiagram();

    int libraryForm();
    void addLibPath();
    void delLibPath();
    void editLibPath();

    int optionsForm();



private:
    int saveIfNeeded();
    void addLibrariesButtons(QGridLayout *layout);
    QDomDocument parseDocument(QString filePath);
    void createLibraryDialog();
    void createToolBox();
    void createActions();
    void createMenus();
    void createToolbars();
    void sendTo(bool value);
    QWidget *createBackgroundCellWidget(const QString &text,
                                        const QString &image);
    QWidget *createCellWidget(QString text, QDomElement *customItem);

    QMenu *createColorMenu(const char *slot, QColor defaultColor);
    QIcon createColorToolButtonIcon(const QString &image, QColor color);
    QIcon createColorIcon(QColor color);

    DiagramScene *scene;
    QGraphicsView *view;

    QAction *newAction;
    QAction *saveAction;
    QAction *saveAsAction;
    QAction *openAction;
    QAction *exportImgAction;

    QAction *exitAction;
    QAction *addAction;
    QAction *deleteAction;

    QAction *libraryAction;
    QAction *optionsAction;

    QAction *toFrontAction;
    QAction *sendBackAction;
    QAction *aboutAction;

    QMenu *fileMenu;
    QMenu *itemMenu;
    QMenu *preferencesMenu;
    QMenu *aboutMenu;

    QToolBar *fileToolBar;
    QToolBar *textToolBar;
    QToolBar *editToolBar;
    QToolBar *colorToolBar;
    QToolBar *pointerToolbar;

    QComboBox *sceneScaleCombo;
    QComboBox *itemColorCombo;
    QComboBox *textColorCombo;
    QComboBox *fontSizeCombo;
    QFontComboBox *fontCombo;

    QToolBox *toolBox;
    QButtonGroup *buttonGroup;
    QButtonGroup *pointerTypeGroup;
    QButtonGroup *backgroundButtonGroup;
    QToolButton *fontColorToolButton;
    QToolButton *fillColorToolButton;
    QToolButton *lineColorToolButton;
    QAction *boldAction;
    QAction *underlineAction;
    QAction *italicAction;
    QAction *textAction;
    QAction *fillAction;
    QAction *lineAction;
    QString myFilePath;

    QDialog *libDialog;
    Ui_libraryDialog *libUi;
    QStringList libraryList;
    QHash<QString , QDomElement*> domElementsByName;
    QHash<QString , int> buttonIdByName;
    static QString callexternapp(QString xexecFile, QString xexecParm);

};

class callexternappT : public QThread
{
public:
    QString execFile;
    QString execParm;
    QString retnValu;
    void run()
    {
        QProcess lnexternapp;
        lnexternapp.start(QString("%1 %2").arg(execFile).arg(execParm));
        lnexternapp.waitForFinished(-1);
        retnValu = QString(lnexternapp.readAll());
    }
};

#endif