/***************************** LICENSE START ***********************************

 Copyright 2013 ECMWF and INPE. This software is distributed under the terms
 of the Apache License version 2.0. In applying this license, ECMWF does not
 waive the privileges and immunities granted to it by virtue of its status as
 an Intergovernmental Organization or submit itself to any jurisdiction.

 ***************************** LICENSE END *************************************/

#ifndef MvQScriptHelp_H
#define MvQScriptHelp_H

#include "MvQRequestPanelHelp.h"
#include "ShellTask.h"

#include <QDialog>

class QPlainTextEdit;

class QAbstractButton;
class QLabel;

class MvQScriptHelp;

class ScriptHelpTask : public ShellTask
{
friend class  MvQScriptHelp;  
  
Q_OBJECT  
public:
	ScriptHelpTask(const string&,IconObject*);
	
signals:
	void textArrived(QString);
	void finished();

protected:
  	void ready(const char *);
	void done(FILE *);
};

class MvQMessageDialog  : public QDialog
{
Q_OBJECT 

public:
    	MvQMessageDialog(QWidget *parent=0);
	void setHeader(QString);
	void clear();

public slots:
    	void append(QString); 

protected:
	QPlainTextEdit *te_;
	QLabel* header_;
};  

class MvQScriptHelp: public MvQRequestPanelHelp
{
Q_OBJECT

  public:
	MvQScriptHelp(RequestPanel&, const Parameter&);
  	virtual ~MvQScriptHelp() {}; 

  	void start();
	bool dialog() {return true;}
	QIcon dialogIcon();	
	QWidget* widget() {return 0;}

public slots:
	void slotFinished();
	void slotClosed();
 
protected:
 	void refresh(const vector<string>&) {};
  
	ScriptHelpTask* task_;
	MvQMessageDialog* mb_;
};

#endif
