@Override public void actionPerformed(ActionEvent e) { if (e.getSource() == open) { if (isInProgress()) { systemIsBusy(); return; } checkRunned(); chooser = new JFileChooser(); chooser.setAcceptAllFileFilterUsed(false); chooser.setFileFilter(new InputFileFilter(false)); if (loadedFile != null) chooser.setSelectedFile(loadedFile); int returnValue = chooser.showOpenDialog(this); if (returnValue == JFileChooser.APPROVE_OPTION) { boolean approved = ((InputFileFilter) chooser.getFileFilter()).isFileApproved(chooser.getSelectedFile()); if (approved) { startProgress(); new MultiThread( new Runnable() { public void run() { try { loadedFile = chooser.getSelectedFile(); FileInputStream fis = new FileInputStream(loadedFile); InputParser ip = new InputParser(fis); if (ip.parseInput()) { field = new Field(new ArrayList<Point>(Arrays.asList(ip.getPoints()))); minAlgo.setText(String.valueOf(ip.minimumClusters)); maxAlgo.setText(String.valueOf(ip.maximumClusters)); } } catch (FileNotFoundException e1) { } contentpanel.center(); stopProgress(); } }) .start(); } } } else if (e.getSource() == center) { if (isInProgress()) { systemIsBusy(); return; } startProgress(); new MultiThread( new Runnable() { public void run() { contentpanel.removeMouseWheelListener(contentpanel); contentpanel.center(); contentpanel.addMouseWheelListener(contentpanel); stopProgressRepaint(); } }) .start(); } else if (e.getSource() == save) { if (isInProgress()) { systemIsBusy(); return; } checkRunned(); chooser = new JFileChooser(); chooser.setAcceptAllFileFilterUsed(false); chooser.setFileFilter(new InputFileFilter(true)); if (loadedFile != null) chooser.setSelectedFile(loadedFile); int returnValue = chooser.showSaveDialog(this); if (returnValue == JFileChooser.APPROVE_OPTION) { boolean approved = ((InputFileFilter) chooser.getFileFilter()).isFileApproved(chooser.getSelectedFile()); if (approved) { loadedFile = chooser.getSelectedFile(); boolean halt = loadedFile.exists(); if (halt) { int i = JOptionPane.showInternalConfirmDialog( c, "Are you sure you want to override this file?", "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE); if (i == JOptionPane.YES_OPTION) { halt = false; } } if (!halt) { try { PrintWriter pw = new PrintWriter(new FileWriter(loadedFile)); pw.println("find " + field.getNumberOfClusters() + " clusters"); pw.println(field.size() + " points"); Object[] obj = field.toArray(); for (int i = 0; i < obj.length; i++) { Point p = (Point) obj[i]; pw.println(p.getX() + " " + p.getY()); } pw.close(); } catch (IOException e1) { } } } } } else if (e.getSource() == clear) { if (isInProgress()) { systemIsBusy(); return; } int i = JOptionPane.showInternalConfirmDialog( c, "Are you sure you want to clear the field?", "Warning", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE); checkRunned(); if (i == JOptionPane.YES_OPTION) { field = new Field(); updateContentPanel(); } } else if (e.getSource() == circle) { contentpanel.setSelectionMode(ContentPanel.SELECT_CIRCLE); } else if (e.getSource() == square) { contentpanel.setSelectionMode(ContentPanel.SELECT_SQUARE); } else if (e.getSource() == addacluster) { if (isInProgress()) { systemIsBusy(); return; } checkRunned(); contentpanel.setCursor(Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR)); } else if (e.getSource() == addnoise) { if (isInProgress()) { systemIsBusy(); return; } checkRunned(); final String s = JOptionPane.showInternalInputDialog( c, "How many points?", "Add noise", JOptionPane.QUESTION_MESSAGE); startProgress(); new MultiThread( new Runnable() { public void run() { if (s != null) { int number; try { number = Integer.parseInt(s); } catch (Exception ex) { number = 0; } int tillX = 1000000000; int tillY = 1000000000; int addX = 0; int addY = 0; if (inRectangle.isSelected()) { Rectangle r = field.getBoundingRectangle(); if (!(r.x1 == 0 && r.y1 == 0 && r.x2 == 0 && r.y2 == 0)) { tillX = r.x2 - r.x1; addX = r.x1; tillY = r.y2 - r.y1; addY = r.y1; } else { tillX = 500000000; tillY = 500000000; } } for (int i = 0; i < number; i++) { int x = random.nextInt(tillX); x += addX; int y; boolean busy = true; while (busy) { y = random.nextInt(tillY); y += addY; boolean inside = false; Object[] array = field.toArray(); for (int j = 0; j < field.size(); j++) { if (((Point) array[j]).compareTo(x, y)) { inside = true; break; } } if (!inside) { field.add(new Point(x, y)); busy = false; } } } } stopProgress(); } }) .start(); } else if (e.getSource() == run) { if (isInProgress()) { systemIsBusy(); return; } checkRunned(); startProgress(); runAlgo(); } }