/*******************************************************************

Part of the Fritzing project - http://fritzing.org
Copyright (c) 2007-2010 Fachhochschule Potsdam - http://fh-potsdam.de

Fritzing 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 3 of the License, or
(at your option) any later version.

Fritzing 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 Fritzing.  If not, see <http://www.gnu.org/licenses/>.

********************************************************************

$Revision: 5760 $:
$Author: cohen@irascible.com $:
$Date: 2012-01-18 10:54:44 +0100 (Wed, 18 Jan 2012) $

********************************************************************/


#ifndef PROGRAMWINDOW_H_
#define PROGRAMWINDOW_H_

#include <QMainWindow>
#include <QPointer>
#include <QPushButton>
#include <QFrame>
#include <QTextEdit>
#include <QProcess>
#include <QTabWidget>
#include <QComboBox>
#include <QActionGroup>

#include "syntaxer.h"

#include "../fritzingwindow.h"

struct LinkedFile {
	enum FileFlag {
		NoFlag = 0,
		SameMachineFlag = 1,
		ObsoleteFlag = 2,
		InBundleFlag = 4,
		ReadOnlyFlag = 8
	};
	Q_DECLARE_FLAGS(FileFlags, FileFlag)

	QString linkedFilename;
	QString language;
	QString programmer;
	FileFlags fileFlags;
};

class PTabWidget : public QTabWidget 
{
	Q_OBJECT

protected slots:
    void tabChanged(int index);

protected:
    int m_lastTabIndex;

public:
	PTabWidget(QWidget * parent);
	QTabBar * tabBar();
};

class ProgramWindow : public FritzingWindow
{
Q_OBJECT

public:
	ProgramWindow(QWidget *parent=0);
	~ProgramWindow();

	void setup(const QList<LinkedFile *> &, const QString & alternativePath);
	const QString defaultSaveFolder();

    QStringList getSerialPorts();
    QStringList getAvailableLanguages();
    Syntaxer * getSyntaxerForLanguage(QString language);
	const QHash<QString, QString> getProgrammerNames();
	void loadProgramFileNew();
	bool alreadyHasProgram(const QString &);
	void updateLink(const QString & filename, const QString & language, const QString & programmer, bool addlink, bool strong);

signals:
	void closed();
    void changeActivationSignal(bool activate, QWidget * originator);
    void linkToProgramFile(const QString & filename, const QString & language, const QString & programmer, bool addlink, bool strong);

protected slots:
	void loadProgramFile();
    class ProgramTab * addTab();
    void closeCurrentTab();
    void closeTab(int index);
    void tabSave(int);
    void tabSaveAs(int);
    void tabRename(int);
    void duplicateTab();
	void tabBeforeClosing(int, bool & ok);
    void tabDelete(int index, bool deleteFile);
    void print();
    void updateMenu(bool programEnable, bool undoEnable, bool redoEnable,
                    bool cutEnable, bool copyEnable, 
					const QString & language, const QString & port, 
					const QString & programmer, const QString & filename);
	void updateSerialPorts();
	void portProcessFinished(int exitCode, QProcess::ExitStatus exitStatus);
	void portProcessReadyRead();

    // The following methods just forward events on to the current tab
    void setLanguage(QAction*);
    void setPort(QAction*);
    void setProgrammer(QAction*);
	void rename();
	void undo();
	void redo();
	void cut();
	void copy();
	void paste();
	void selectAll();
	void sendProgram();

protected:
    bool event(QEvent * event);
    void closeEvent(QCloseEvent *event);
    bool eventFilter(QObject *object, QEvent *event);

	QFrame * createHeader();
	QFrame * createCenter();

	const QString untitledFileName();
	const QString fileExtension();

    void cleanUp();
    int &untitledFileCount();
    void setTitle();
    void setTitle(const QString & filename);
	bool saveAsAux(const QString & fileName);
	bool prepSave(class ProgramTab *, bool saveAsFlag);
	bool beforeClosingTab(int index, bool showCancel);
	QAction * addProgrammer(const QString & name, const QString & path);
	inline ProgramTab * currentWidget();
	inline ProgramTab * indexWidget(int index);
	void initProgrammerNames();
	QString getExtensionString();
	QStringList getExtensions();
	bool beforeClosing(bool showCancel=true); // returns true if close, false if cancel
	QStringList getSerialPortsAux();

protected:
	static void initLanguages();

public:
	static const QString LocateName;
	static QString NoSerialPortName;

protected:
	static QHash<QString, class Syntaxer *> m_syntaxers;
	static QHash<QString, QString> m_languages;

protected:
	QPointer<PTabWidget> m_tabWidget;
	QPointer<QPushButton> m_addButton;
    QPointer<class ProgramTab> m_savingProgramTab;
    QAction *m_programAction;
    QAction *m_undoAction;
    QAction *m_redoAction;
    QAction *m_cutAction;
    QAction *m_copyAction;
    QAction *m_saveAction;
    QAction *m_printAction;
    QHash<QString, QAction *> m_languageActions;
    QHash<QString, QAction *> m_portActions;
    QHash<QString, QAction *> m_programmerActions;
	QActionGroup * m_programmerActionGroup;
	QActionGroup * m_serialPortActionGroup;
	QMenu * m_programmerMenu;
	QMenu * m_serialPortMenu;
	QStringList m_ports;				// temporary storage for linux
};

#endif /* ProgramWindow_H_ */
