private void executePreprocesing(Operation oper) {
		// Setam calea catre fisier in textBox
		oper.execute();

		String path = ((ComplexTypeParameter) oper.getParameter("outputFile"))
				.getAttribute("name").getValue();
		inputPath = path;

		// salvam calea catre imagine
		pathImage = pathTextField.getText();

		// Incarcam imaginea in panel
		int width = imagePanel.getSize().width;
		int height = imagePanel.getSize().height;

		Image image = ImageViewer.buildImage(inputPath);
		ImageIcon myPicture = new ImageIcon(image);

		JLabel lab = (JLabel) imagePanel.getComponent(0);
		lab.setSize(new Dimension(myPicture.getIconWidth(), myPicture
				.getIconHeight()));
		lab.setIcon(myPicture);

		MainWindow.this.repaint();
	}