zint/frontend_qt4/datawindow.cpp

/*
    Zint Barcode Generator - the open source barcode generator
    Copyright (C) 2009 Robin Stuart <robin@zint.org.uk>

    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 3 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.
*/

#include <QDebug>
#include <QFileDialog>
#include <QUiLoader>
#include <QStringList>
#include <QMessageBox>

#include "datawindow.h"
#include <stdio.h>

DataWindow::DataWindow()
{
	setupUi(this);

	connect(btnCancel, SIGNAL( clicked( bool )), SLOT(quit_now()));
	connect(btnReset, SIGNAL( clicked( bool )), SLOT(clear_data()));
	connect(btnOK, SIGNAL( clicked( bool )), SLOT(okay()));
}

DataWindow::DataWindow(QString input)
{
	setupUi(this);
	txtDataInput->setPlainText(input);
	txtDataInput->moveCursor(QTextCursor::End, QTextCursor::MoveAnchor);
	
	connect(btnCancel, SIGNAL( clicked( bool )), SLOT(quit_now()));
	connect(btnReset, SIGNAL( clicked( bool )), SLOT(clear_data()));
	connect(btnOK, SIGNAL( clicked( bool )), SLOT(okay()));
	connect(btnFromFile, SIGNAL( clicked( bool )), SLOT(from_file()));
}

DataWindow::~DataWindow()
{
}

void DataWindow::quit_now()
{
	Valid = 0;
	close();
}

void DataWindow::clear_data()
{
	txtDataInput->clear();
}

void DataWindow::okay()
{
	Valid = 1;
	DataOutput = txtDataInput->toPlainText();
	close();
}

void DataWindow::from_file()
{
	QString fileName;
	QFileDialog fdialog;
	QFile file;
	QString outstream;
	char *c;
	
	fdialog.setFileMode(QFileDialog::ExistingFile);
	
	if(fdialog.exec()) {
		fileName = fdialog.selectedFiles().at(0);
	} else {
		return;
	}
	
	file.setFileName(fileName);
	if(!file.open(QIODevice::ReadOnly)) {
		QMessageBox::critical(this, tr("Open Error"), tr("Could not open selected file."));
		return;
	}
	
	while(file.getChar(c)) {
		outstream += QChar(*c);
	}
	
	txtDataInput->setPlainText(outstream);
	file.close();
}