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Hi Forum,
Ich habe ein Sudoku programm mit einem Grid.Wenn die eine Line erstelle, zeichnet er das hinter dem Grid. Wie kann ich das ins Vordergrund bringen ?
Würde mich auf eure post freuen
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Hallo,
es wäre von Vorteil, wenn du etwas Code posten würdest. Sonst kann man leider nur raten, da wir ja nicht wissen wie du dein Programm aufgebaut hast.
Gruß
SaschaEs ist schwer Allwissend zu sein. Aber ich komme damit klar. ;-)
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Dies ist mein Code:
public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
Line2D x1 = new Line2D.Float(0, 266, 798, 266);
Line2D x2 = new Line2D.Float(0, 404, 798, 404);
Line2D y1 = new Line2D.Float(271, 128, 271, 541);
Line2D y2 = new Line2D.Float(535, 128, 535, 541);
g2.draw(x1);
g2.draw(x2);
g2.draw(y1);
g2.draw(y2);
}
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Wie du eine Linie zeichnest ist mir schon klar. Mal abgesehen davon, dass man die paintComponent und nicht die paint-Methode überschreiben sollte.
Poste mal bitte noch den restlichen Code, damit man den Aufbau deiner GUI sieht.
Gruß
SaschaEs ist schwer Allwissend zu sein. Aber ich komme damit klar. ;-)
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Code java:
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import java.io.FileWriter; import java.io.File; import java.io.IOException; import java.awt.geom.Line2D; import java.awt.Graphics2D; import java.awt.Graphics; import javax.swing.*; import java.awt.event.*; import java.util.HashMap; import java.util.Formatter; import static java.awt.Color.*; import static sudokupuzzle.Puzzle.*; /** * The main class for running the Sudoku program. The idea is * that the program presents you with a Sudoku puzzle to solve. The user * has some control over how difficult the puzzle is by choosing how many * blank cells there are. * * The program can check a partially completed puzzle for duplicate values * (row, column or region). * * The program allows the user to associate notes with cells * to indicate values that they think are likely or unlikely. Notes are * accessed by right-clicking a cell. Cells with notes are * highlighted. * * The time taken to complete a puzzle is displayed. */ public class SudokuView extends javax.swing.JFrame { /** * Normal constructor. */ public SudokuView() { initComponents(); openNotes = new HashMap<CellCoordinates, CellNoteView>(); } /** This method is called from within the constructor to * initialize the form. * WARNING: Do NOT modify this code. The content of this method is * always regenerated by the Form Editor. */ // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { jPanel4 = new javax.swing.JPanel(); jPanel2 = new javax.swing.JPanel(); jLabel1 = new javax.swing.JLabel(); btnDown = new javax.swing.JButton(); txtNumberOfBlanks = new javax.swing.JTextField(); btnUp = new javax.swing.JButton(); btnGetPuzzle = new javax.swing.JButton(); btnCheck = new javax.swing.JButton(); jButton3 = new javax.swing.JButton(); jButton2 = new javax.swing.JButton(); jPanel3 = new javax.swing.JPanel(); jLabel2 = new javax.swing.JLabel(); lblTimer = new javax.swing.JLabel(); btnPauseRestart = new javax.swing.JButton(); jPanel1 = new JPanel(){ public void paint(Graphics g){ super.paint(g); paint(g); } }; //post create setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); setTitle("Sudoku Puzzle"); jPanel4.setLayout(new java.awt.GridLayout(2, 0)); jPanel2.setOpaque(false); jPanel2.setPreferredSize(new java.awt.Dimension(800, 50)); jLabel1.setFont(new java.awt.Font("Verdana", 0, 14)); jLabel1.setText("Blanks"); jPanel2.add(jLabel1); btnDown.setFont(new java.awt.Font("Verdana", 0, 14)); btnDown.setText("<<"); btnDown.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnDownActionPerformed(evt); } }); jPanel2.add(btnDown); txtNumberOfBlanks.setFont(new java.awt.Font("Verdana", 0, 14)); txtNumberOfBlanks.setHorizontalAlignment(javax.swing.JTextField.RIGHT); txtNumberOfBlanks.setText("9"); txtNumberOfBlanks.setPreferredSize(new java.awt.Dimension(30, 30)); txtNumberOfBlanks.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { txtNumberOfBlanksActionPerformed(evt); } }); jPanel2.add(txtNumberOfBlanks); btnUp.setFont(new java.awt.Font("Verdana", 0, 14)); btnUp.setText(">>"); btnUp.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnUpActionPerformed(evt); } }); jPanel2.add(btnUp); btnGetPuzzle.setFont(new java.awt.Font("Verdana", 0, 14)); btnGetPuzzle.setText("Get Puzzle"); btnGetPuzzle.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnGetPuzzleActionPerformed(evt); } }); jPanel2.add(btnGetPuzzle); btnCheck.setFont(new java.awt.Font("Verdana", 0, 14)); btnCheck.setText("Check"); btnCheck.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnCheckActionPerformed(evt); } }); jPanel2.add(btnCheck); jButton3.setFont(new java.awt.Font("Verdana", 0, 14)); jButton3.setText("Blank Page"); jButton3.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton3ActionPerformed(evt); } }); jPanel2.add(jButton3); jButton2.setFont(new java.awt.Font("Verdana", 0, 14)); jButton2.setText("Save"); jButton2.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton2ActionPerformed(evt); } }); jPanel2.add(jButton2); jPanel4.add(jPanel2); jPanel3.setPreferredSize(new java.awt.Dimension(400, 30)); jLabel2.setFont(new java.awt.Font("Verdana", 0, 14)); jLabel2.setText("elapsed"); jPanel3.add(jLabel2); lblTimer.setBackground(new java.awt.Color(51, 51, 51)); lblTimer.setFont(new java.awt.Font("Verdana", 0, 14)); lblTimer.setForeground(new java.awt.Color(255, 255, 255)); lblTimer.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED)); lblTimer.setOpaque(true); lblTimer.setPreferredSize(new java.awt.Dimension(50, 18)); jPanel3.add(lblTimer); btnPauseRestart.setFont(new java.awt.Font("Verdana", 0, 14)); btnPauseRestart.setText("Pause"); btnPauseRestart.setEnabled(false); btnPauseRestart.setPreferredSize(new java.awt.Dimension(90, 27)); btnPauseRestart.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnPauseRestartActionPerformed(evt); } }); jPanel3.add(btnPauseRestart); jPanel4.add(jPanel3); getContentPane().add(jPanel4, java.awt.BorderLayout.NORTH); jPanel1.setPreferredSize(new java.awt.Dimension(420, 420)); //post init txtCell = new JTextField[9][9]; for (int i = 0; i < txtCell.length; i++) { for (int j = 0; j < txtCell[0].length; j++) { txtCell[i][j] = new JTextField(); txtCell[i][j].setHorizontalAlignment(javax.swing.JTextField.RIGHT); txtCell[i][j].setFont(new java.awt.Font("Verdana", 0, 14)); txtCell[i][j].setPreferredSize(new java.awt.Dimension(30, 30)); txtCell[i][j].setEditable(false); txtCell[i][j].addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { txtCellMouseClicked(evt); } }); jPanel1.add(txtCell[i][j]); } } jPanel1.setLayout(new java.awt.GridLayout(9, 9)); getContentPane().add(jPanel1, java.awt.BorderLayout.CENTER); pack(); }// </editor-fold>//GEN-END:initComponents /** * The Pause/Restart button has been clicked to pause or restart the * timer. * @param evt The ActionEvent */ private void btnPauseRestartActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnPauseRestartActionPerformed if (tim != null && tim.isRunning()) { // timer is running so need to pause tim.stop(); btnPauseRestart.setText("Restart"); } else { // not running so need to restart startTiming(true); btnPauseRestart.setText("Pause"); } }//GEN-LAST:event_btnPauseRestartActionPerformed /** * The Check button has been pressed so the puzzle needs to be checked for * duplicates. If there are no duplicates and no empty cells then the * puzzle has been solved. * @param evt The ActionEvent */ private void btnCheckActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnCheckActionPerformed char [] [] grid = new char [txtCell.length] [txtCell[0].length]; for (int i = 0; i < txtCell.length; i++) { for (int j = 0; j < txtCell[0].length; j++) { if (!txtCell[i][j].getText().trim().equals("")) { // something in the cell grid [i][j] = txtCell[i][j].getText().charAt(0); } else { // cell is empty grid [i][j] = EMPTY_CELL; } // Set background for cell. GREEN means it has a note, // WHITE means no note and is editable, LIGHT_GRAY means // it is one of the fixed cells in the puzzle and so can't // be edited. if (txtCell[i][j].isEditable()) { if (cellNotes.getNote(new CellCoordinates(i + 1, j + 1)) != null) { // it has a note txtCell[i][j].setBackground(GREEN); } else { // no note txtCell[i][j].setBackground(WHITE); } } else { txtCell[i][j].setBackground(LIGHT_GRAY); } } } JOptionPane.showMessageDialog(null,"Some Boxes are still empty"); // Use the Puzzle class to find if there are any duplicates and set // the background to red of any duplicates found. Puzzle p = new Puzzle (grid); int [][][]duplicates = p.getCoordinatesOfDuplicates(); if (duplicates != null) { for (int [][] coords : duplicates) { txtCell[coords[0][0]][coords[0][1]].setBackground(RED); txtCell[coords[1][0]][coords[1][1]].setBackground(RED); } } if (p.isSolved()) { tim.stop(); btnPauseRestart.setText("Pause"); btnPauseRestart.setEnabled(false); JOptionPane.showMessageDialog(null,"Solved in " + (System.currentTimeMillis() - startTime) + " millisecs"); } }//GEN-LAST:event_btnCheckActionPerformed /** * The "get puzzle" button has been clicked and so a new Puzzle must * be generated and displayed. * @param evt The ActionEvent */ private void btnGetPuzzleActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnGetPuzzleActionPerformed // Generate a puzzle with the number of blanks requested by the user. PuzzleGenerator pg = new PuzzleGenerator(); int numBlanks = Integer.parseInt(txtNumberOfBlanks.getText()); int blanks = Integer.parseInt(txtNumberOfBlanks.getText()); if(blanks <= 0) { JOptionPane.showMessageDialog(null, "The Value is less or equal to 0"); } else if (blanks >= 81) { JOptionPane.showMessageDialog(null, "The Value is bigger or equal then 81"); } else{ Puzzle p = new Puzzle(pg.getPuzzle(numBlanks)); cellNotes = new CellNotes(); // Get the values of the cells from the generated puzzle // and display them. The fixed values that have been // generated are not editable and have a LIGHT_GRAY background. The blanks // are editable and have a WHITE background. for (int i = 0; i < txtCell.length; i++) { for (int j = 0; j < txtCell[0].length; j++) { int value = p.getCell(i, j); if (value != EMPTY_CELL) { txtCell[i][j].setText("" + value); txtCell[i][j].setEditable(false); txtCell[i][j].setBackground(LIGHT_GRAY); } else { txtCell[i][j].setText(""); txtCell[i][j].setEditable(true); txtCell[i][j].setBackground(WHITE); } } } // Get rid of any notes windows that may still be open from a // previous puzzle. for (CellNoteView cnv: openNotes.values()) { cnv.dispose(); } openNotes = new HashMap<CellCoordinates, CellNoteView>(); // Initialise the timer btnPauseRestart.setText("Pause"); btnPauseRestart.setEnabled(true); if (tim != null) { // Stop any previous timer if still running. tim.stop(); } startTiming(false); } }//GEN-LAST:event_btnGetPuzzleActionPerformed private void btnDownActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnDownActionPerformed int blanks = Integer.parseInt(txtNumberOfBlanks.getText()); blanks--; txtNumberOfBlanks.setText(blanks + ""); }//GEN-LAST:event_btnDownActionPerformed private void btnUpActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnUpActionPerformed int blanks = Integer.parseInt(txtNumberOfBlanks.getText()); blanks++; txtNumberOfBlanks.setText(blanks + ""); }//GEN-LAST:event_btnUpActionPerformed private void txtNumberOfBlanksActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_txtNumberOfBlanksActionPerformed // TODO add your handling code here: }//GEN-LAST:event_txtNumberOfBlanksActionPerformed private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed chooser.showSaveDialog(this); File file = chooser.getSelectedFile(); try { outFile = new FileWriter(file); for (int i = 0; i < txtCell.length; i++) { for (int j = 0; j < txtCell[0].length; j++) { outFile.write(txtCell[i][j].getText()); }} outFile.close(); } catch (IOException e) { JOptionPane.showMessageDialog(this, "File Error"); } }//GEN-LAST:event_jButton2ActionPerformed private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed if(evt.getSource()==jButton3){ for (int i = 0; i < txtCell.length; i++) { for (int j = 0; j < txtCell[0].length; j++) { txtCell[i][j].setText(""); txtCell[i][j].setEditable(false); txtCell[i][j].setBackground(LIGHT_GRAY); } }} }//GEN-LAST:event_jButton3ActionPerformed /** * One of the cells has been clicked. If it is a right-click on an * editable cell then display the CellNoteView for the user to view * and/or amend the notes for this cell. * @param evt The MouseEvent. */ private void txtCellMouseClicked(java.awt.event.MouseEvent evt) { // Get the JTextBox that has been clicked. JTextField txtCellClicked = (JTextField) evt.getSource(); // We will only do anything if an editable cell has been clicked // and it is a right-click (evt.BUTTON3) if (!txtCellClicked.isEditable() || evt.getButton() != MouseEvent.BUTTON3 ) return; int x = 0, y = 0; // Find the x, y co-ordinates of the cell clicked for (int i = 0; i < txtCell.length; i++) { for (int j = 0; j < txtCell[0].length; j++) { if (txtCellClicked == txtCell[i][j]) { x = i + 1; y = j + 1; } } } // Get the CellNoteView window for the cell that has been clicked // if it already has one open. CellNoteView cellNoteView = openNotes.get(new CellCoordinates(x, y)); if (cellNoteView == null) { // not already open so open it if (cellNotes == null) { cellNotes = new CellNotes(); } // Create the note window and make it visible cellNoteView = new CellNoteView(this, new CellCoordinates(x, y), cellNotes); cellNoteView.pack(); cellNoteView.setVisible(true); openNotes.put(new CellCoordinates(x, y), cellNoteView); txtCellClicked.setBackground(GREEN); // indicate that there is a note } else { // already open - so bring it to the front cellNoteView.toFront(); } } /** * Called by a CellNoteView to indicate that it is closing. * @param coords The co-ordinates of the cell whose note is closing. * @param isEmpty If true it means the note is empty. If false it means * that the notes for this cell has content. */ public void cellNoteViewClosing(CellCoordinates coords, boolean isEmpty) { // If the note is empty (i.ep. doesn't contain any information) then set // it back to WHITE from GREEN if (isEmpty) { txtCell[coords.getX() - 1][coords.getY() - 1].setBackground(WHITE); } // Remove it from the collection of open notes. openNotes.remove(coords); } /** * Start the timer running for the puzzle. * @param restart If true it means that the timer is being restarted (i.ep. * it was previsiously running and then paused). If false * it means the timer is being started for the first time. */ private void startTiming(boolean restart) { if (restart) { // restarting after a pause so adjust startTime += (System.currentTimeMillis() - currentTime); } else { // starting for the first time startTime = System.currentTimeMillis(); } lblTimer.setText("0"); /* this timer will go off every 10th of a second * and the timerHasPinged() method will be called */ tim = new Timer(100, new ActionListener() { public void actionPerformed(ActionEvent evt) { timerHasPinged(); } }); tim.start(); } /** * Called automatically when the timer expires. The time display * should be updated. */ public void timerHasPinged() { currentTime = System.currentTimeMillis(); // How long has been taken so far? long secsTaken = (currentTime - startTime) / 1000; long minsTaken = secsTaken / 60; secsTaken %= 60; // Format the time as m:ss Formatter fmt = new Formatter(); fmt.format("%d:%02d", minsTaken, secsTaken); lblTimer.setText(fmt.toString()); } /** * Main entry point for the program. * @param args the command line arguments */ public static void main(String args[]) { java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new SudokuView().setVisible(true); } }); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JButton btnCheck; private javax.swing.JButton btnDown; private javax.swing.JButton btnGetPuzzle; private javax.swing.JButton btnPauseRestart; private javax.swing.JButton btnUp; private javax.swing.JButton jButton2; private javax.swing.JButton jButton3; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JPanel jPanel1; private javax.swing.JPanel jPanel2; private javax.swing.JPanel jPanel3; private javax.swing.JPanel jPanel4; private javax.swing.JLabel lblTimer; private javax.swing.JTextField txtNumberOfBlanks; // End of variables declaration//GEN-END:variables // Two-dimensional array of JTextFields representing the Sudoku // puzzle grid. private JTextField [] [] txtCell; // Cells can have notes attached by the user. cellNotes is used to hold them. private CellNotes cellNotes; private FileWriter outFile; private JFileChooser chooser = new JFileChooser(); // When the user right-clicks a cell a window opens to display the note. // openNotes keeps a record of all currently open notes windows. private HashMap<CellCoordinates, CellNoteView> openNotes; // variables for managing the clock private long startTime, currentTime, totalTime; private Timer tim; // timer used to manage the clock; /* public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; Line2D x1 = new Line2D.Float(0, 266, 798, 266); Line2D x2 = new Line2D.Float(0, 404, 798, 404); Line2D y1 = new Line2D.Float(271, 128, 271, 541); Line2D y2 = new Line2D.Float(535, 128, 535, 541); g2.draw(x1); g2.draw(x2); g2.draw(y1); g2.draw(y2); } */ public synchronized void paint(final Graphics g) { super.paint(g); g.drawLine(0, 266, 798, 266); g.drawLine(0, 404, 798, 404); g.drawLine(271, 128, 271, 541); g.drawLine(535, 128, 535, 541); } }
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Ich weiß jetzt nicht was du erreichen möchtest, mit diesen Linien. Man sollte aber nicht die paint-Methode des Fensters überschreiben, sondern selbst eine Klasse schreiben, die von JPanel oder von JComponent abgeleitet wird und dann dort die paintComponent-Methode überschreiben.
Diese eigene Komponente fügt man dann dem Fenster hinzu.
Gruß
SaschaEs ist schwer Allwissend zu sein. Aber ich komme damit klar. ;-)
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hier überschreibe ich die Method:
Code :1 2 3 4 5 6
jPanel1 = new JPanel(){ public void paint(Graphics g){ super.paint(g); paint(g); } };
Dies ist der code wo ich die linien zeichne
Code :1 2 3 4 5 6 7
public void paint(final Graphics g) { super.paint(g); g.drawLine(0, 266, 798, 266); g.drawLine(0, 404, 798, 404); g.drawLine(271, 128, 271, 541); g.drawLine(535, 128, 535, 541); }
Trotzdem Funktioniert es nicht
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Ich habe weiter oben mal erwähnt, dass du nicht die paint-Methode sondern die paintComponent überschreiben sollst.
Es bringt auch nichts, wenn du die paint-Methode des Fensters überschrieben lässt und diese in einem JPanel auch noch aufrufst.
Das Zeichnen der Linie darf nur in der paint-Component des JPanels vorkommen.
Also in dem JPanel auf dem die Textfelder hinzugefügt werden.
Gruß
SaschaEs ist schwer Allwissend zu sein. Aber ich komme damit klar. ;-)
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kannst du mir vielleicht ein beispiel geben ****
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Erstelle einfach eine neue Klasse die von JPanel erbt und dort ueberschreibe die paintComponent Methode und nicht die paint-Methode.
Dazu braucht man kein Beispiel
Waere super wenn ihr euren Code in dieser Form einfuegt:
[JAVA]System.out.println("Test :)");[/JAVA]
wird zu:
Tabs sind uebrigens keine Feinde :)Code java:1
System.out.println("Test :)");
Der "Erledigt Button" beisst net :) Und der "Danke Button" ist auch nicht nur zur zierde
Danke :D
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