javax.swing.JPanel.setOpaque()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中javax.swing.JPanel.setOpaque()方法的一些代码示例，展示了JPanel.setOpaque()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JPanel.setOpaque()方法的具体详情如下：
包路径：javax.swing.JPanel
类名称：JPanel
方法名：setOpaque

JPanel.setOpaque介绍

暂无

代码示例

代码示例来源：origin: stackoverflow.com

tabPane.addTab(title, tabBody);
int index = tabPane.indexOfTab(title);
JPanel pnlTab = new JPanel(new GridBagLayout());
pnlTab.setOpaque(false);
JLabel lblTitle = new JLabel(title);
JButton btnClose = new JButton("x");

GridBagConstraints gbc = new GridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 0;
gbc.weightx = 1;

pnlTab.add(lblTitle, gbc);

gbc.gridx++;
gbc.weightx = 0;
pnlTab.add(btnClose, gbc);

tabPane.setTabComponentAt(index, pnlTab);

btnClose.addActionListener(myCloseActionHandler);

代码示例来源：origin: stackoverflow.com

ShowImage panel = new ShowImage();
panel.setBackground(Color.RED);

setContentPane(new ContentPane());
getContentPane().setBackground(Color.BLACK);
setLayout(new BorderLayout());
add(panel);

JPanel pnlButtons = new JPanel(new FlowLayout(FlowLayout.RIGHT));
pnlButtons.setOpaque(false);
pnlButtons.add(new JButton("<<"));
pnlButtons.add(new JButton("<"));
pnlButtons.add(new JButton(">"));
pnlButtons.add(new JButton(">>"));

// Okay, in theory, getContentPane() is required, but better safe the sorry
getContentPane().add(pnlButtons, BorderLayout.SOUTH);

setVisible(true);

代码示例来源：origin: log4j/log4j

public CategoryNodeRenderer() {
 _panel.setBackground(UIManager.getColor("Tree.textBackground"));
 if (_sat == null) {
  // Load the satellite image.
  String resource =
    "/org/apache/log4j/lf5/viewer/images/channelexplorer_satellite.gif";
  URL satURL = getClass().getResource(resource);
  _sat = new ImageIcon(satURL);
 }
 setOpaque(false);
 _checkBox.setOpaque(false);
 _panel.setOpaque(false);
 // The flowlayout set to LEFT is very important so that the editor
 // doesn't jump around.
 _panel.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
 _panel.add(_checkBox);
 _panel.add(this);
 setOpenIcon(_sat);
 setClosedIcon(_sat);
 setLeafIcon(_sat);
}

代码示例来源：origin: bobbylight/RSyntaxTextArea

private void setBottomPanel() {
  final JPanel panel = new JPanel(new BorderLayout());
  panel.add(new JSeparator(), BorderLayout.NORTH);
    SizeGrip sg = new SizeGrip();
    panel.add(sg, BorderLayout.LINE_END);
    MouseInputAdapter adapter = new MouseInputAdapter() {
      private Point lastPoint;
    panel.setOpaque(false);
    JLabel label = new JLabel(FocusableTip.getString("FocusHotkey"));
    Color fg = UIManager.getColor("Label.disabledForeground");
    Font font = textArea.getFont();
    label.setHorizontalAlignment(SwingConstants.TRAILING);
    label.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 5));
    panel.add(label);
    panel.addMouseListener(tipListener);

代码示例来源：origin: com.jidesoft/jide-oss

/**
 * Create a Panel around a component so that component aligns to left.
 *
 * @param object the component
 * @return a Panel
 */
public static JPanel createLeftPanel(Component object) {
  JPanel ret = new NullPanel(new BorderLayout());
  ret.setOpaque(false);
  ret.add(object, BorderLayout.BEFORE_LINE_BEGINS);
  return ret;
}

代码示例来源：origin: stackoverflow.com

private JFrame frame = new JFrame();
private JLayeredPane lpane = new JLayeredPane();
private JPanel panelBlue = new JPanel();
private JPanel panelGreen = new JPanel();
public Main()
  frame.setLayout(new BorderLayout());
  frame.add(lpane, BorderLayout.CENTER);
  lpane.setBounds(0, 0, 600, 400);
  panelBlue.setBackground(Color.BLUE);
  panelBlue.setBounds(0, 0, 600, 400);
  panelBlue.setOpaque(true);
  panelGreen.setBackground(Color.GREEN);
  panelGreen.setBounds(200, 100, 100, 100);
  panelGreen.setOpaque(true);
  lpane.add(panelBlue, new Integer(0), 0);
  lpane.add(panelGreen, new Integer(1), 0);

代码示例来源：origin: jshiell/checkstyle-idea

copyLibsCheckbox.setToolTipText(CheckStyleBundle.message("config.stabilize-classpath.tooltip"));
final JPanel configFilePanel = new JPanel(new GridBagLayout());
configFilePanel.setOpaque(false);
configFilePanel.add(csVersionDropdownLabel, new GridBagConstraints(
    0, 0, 1, 1, 0.0, 0.0, GridBagConstraints.WEST,
    GridBagConstraints.NONE, COMPONENT_INSETS, 0, 0));
configFilePanel.add(csVersionDropdown, new GridBagConstraints(
    1, 0, 1, 1, 0.0, 0.0, GridBagConstraints.WEST,
    GridBagConstraints.NONE, COMPONENT_INSETS, 0, 0));
configFilePanel.add(scopeDropdownLabel, new GridBagConstraints(
    2, 0, 1, 1, 0.0, 0.0, GridBagConstraints.WEST,
    GridBagConstraints.NONE, COMPONENT_INSETS, 0, 0));

代码示例来源：origin: stackoverflow.com

JPanel panel = new JPanel(new GridLayout(0, 1));
   panel.setBorder(BorderFactory.createLineBorder(Color.BLACK, 2));
   panel.setBackground(Color.YELLOW);
   panel.add(new JLabel("I am message Label"));
   panel.add(new JButton("CLOSE"));
   JPanel glassPanel = new JPanel(new GridBagLayout());
   glassPanel.setOpaque(false);
   glassPanel.add(panel);

代码示例来源：origin: tomighty/tomighty

private static final JPanel createPanel(LayoutManager layout) {
  JPanel panel = new JPanel(layout);
  panel.setOpaque(false);
  return panel;
}

代码示例来源：origin: magefree/mage

/**
 * Get the panel where all arrows are being drawn.
 * @return
 */
public synchronized JPanel getArrowsManagerPanel() {
  if (arrowsManagerPanel == null) {
    arrowsManagerPanel = new JPanel();
    arrowsManagerPanel.setVisible(true);
    arrowsManagerPanel.setOpaque(false);
    arrowsManagerPanel.setLayout(null);
  }
  return arrowsManagerPanel;
}

代码示例来源：origin: ron190/jsql-injection

public AbstractManagerList(String nameFile) {
  this.setLayout(new BorderLayout());
  try {
    InputStream in = AbstractManagerList.class.getResourceAsStream("/com/jsql/view/swing/resources/list/"+ nameFile);
    String line;
    BufferedReader reader = new BufferedReader(new InputStreamReader(in));
    while ((line = reader.readLine()) != null) {
      this.itemsList.add(new ItemList(line));
    }
    reader.close();
  } catch (IOException e) {
    LOGGER.error(e.getMessage(), e);
  }
  this.listFile = new DnDList(this.itemsList);
  this.listFile.setBorder(BorderFactory.createEmptyBorder(0, 0, LightScrollPane.THUMB_SIZE, 0));
  this.add(new LightScrollPane(1, 0, 0, 0, this.listFile), BorderLayout.CENTER);
  this.lastLine.setOpaque(false);
  this.lastLine.setLayout(new BoxLayout(this.lastLine, BoxLayout.X_AXIS));
  this.lastLine.setBorder(
    BorderFactory.createCompoundBorder(
      BorderFactory.createMatteBorder(0, 0, 0, 0, HelperUi.COLOR_COMPONENT_BORDER),
      BorderFactory.createEmptyBorder(1, 0, 1, 1)
    )
  );
}

代码示例来源：origin: skylot/jadx

String name = node.makeLongString();
final JPanel panel = new JPanel(new FlowLayout(FlowLayout.CENTER, 3, 0));
panel.setOpaque(false);
final JLabel label = new JLabel(name);
label.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 10));
label.setIcon(node.getIcon());
panel.add(label);
panel.add(button);
panel.setBorder(BorderFactory.createEmptyBorder(4, 0, 0, 0));
return panel;

代码示例来源：origin: com.jidesoft/jide-oss

/**
 * Create a Panel around a component so that component aligns to top.
 *
 * @param object the component
 * @return a Panel
 */
public static JPanel createTopPanel(Component object) {
  JPanel ret = new NullPanel(new BorderLayout());
  ret.setOpaque(false);
  ret.add(object, BorderLayout.BEFORE_FIRST_LINE);
  return ret;
}

代码示例来源：origin: stackoverflow.com

frame.setLayout(new BorderLayout());
  frame.add(new TestPane());
  frame.pack();
setBorder(new EmptyBorder(20, 20, 20, 20));
setLayout(new BorderLayout());
JPanel drop = new JPanel();
drop.setOpaque(false);
DropShadowBorder border = new DropShadowBorder();
border.setFillContentArea(true);

代码示例来源：origin: magefree/mage

this.buttonGrid.setLayout(new FlowLayout(FlowLayout.CENTER, BUTTONS_H_GAP, 0));
this.buttonGrid.setPreferredSize(null);
    case Constants.BATTLEFIELD_FEEDBACK_COLORIZING_MODE_DISABLE:
      this.mainPanel.setOpaque(false);
      this.mainPanel.setBorder(null);
      break;
      this.mainPanel.setOpaque(true);
      this.mainPanel.setBackground(ACTIVE_FEEDBACK_BACKGROUND_COLOR_OTHER);
      break;
      this.mainPanel.setOpaque(true);
      Color backColor = ACTIVE_FEEDBACK_BACKGROUND_COLOR_OTHER;
      if (this.gameTurnPhase != null) {
  this.mainPanel.setOpaque(false);
  this.buttonGrid.add(button);
  this.buttonGrid.setLayout(gl);
  this.buttonGrid.setPreferredSize(new Dimension(constGridSizeW, constGridSizeH));
} else {

代码示例来源：origin: stackoverflow.com

JFrame f = new JFrame();
f.setLayout(null);
f.setDefaultCloseOperation(3);
f.setSize(500, 500);
JPanel p = new JPanel() {
  @Override
  protected void paintComponent(Graphics g) {
   super.paintComponent(g);
   Dimension arcs = new Dimension(15,15);
   int width = getWidth();
   int height = getHeight();
   Graphics2D graphics = (Graphics2D) g;
   graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
   //Draws the rounded opaque panel with borders.
   graphics.setColor(getBackground());
   graphics.fillRoundRect(0, 0, width-1, height-1, arcs.width, arcs.height);//paint background
   graphics.setColor(getForeground());
   graphics.drawRoundRect(0, 0, width-1, height-1, arcs.width, arcs.height);//paint border
  }
};
p.setBounds(10,10,100,30);
p.setOpaque(false);
f.getContentPane().setBackground(Color.red);
f.add(p);
f.show();

代码示例来源：origin: libgdx/libgdx

appliedEffectsPanel.add(this, constrains);
  JPanel titlePanel = new JPanel();
  titlePanel.setLayout(new LayoutManager() {
    public void removeLayoutComponent (Component comp) {
    titlePanel.add(upButton);
    upButton.setText("Up");
    upButton.setMargin(new Insets(0, 0, 0, 0));
    titlePanel.add(downButton);
    downButton.setText("Down");
    downButton.setMargin(new Insets(0, 0, 0, 0));
    nameLabel = new JLabel(effect.toString());
    titlePanel.add(nameLabel);
    Font font = nameLabel.getFont();
  add(titlePanel, new GridBagConstraints(0, 0, 1, 1, 1.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,
    new Insets(5, 0, 0, 5), 0, 0));
  titlePanel.setOpaque(false);
  valuesPanel = new JPanel();
  valuesPanel.setOpaque(false);
  valuesPanel.setLayout(new GridBagLayout());
  add(valuesPanel, new GridBagConstraints(0, 1, 1, 1, 1.0, 0.0, GridBagConstraints.CENTER,
    GridBagConstraints.HORIZONTAL, new Insets(0, 10, 5, 0), 0, 0));

代码示例来源：origin: com.jidesoft/jide-oss

/**
 * Create a Panel around a component so that component aligns to right.
 *
 * @param object the component
 * @return a Panel
 */
public static JPanel createRightPanel(Component object) {
  JPanel ret = new NullPanel(new BorderLayout());
  ret.setOpaque(false);
  ret.add(object, BorderLayout.AFTER_LINE_ENDS);
  return ret;
}

代码示例来源：origin: magefree/mage

/** Creates new form CombatDialog */
public CombatDialog() {
  JPanel contentPane = new JPanel() {
    private static final long serialVersionUID = -8283955788355547309L;
    public void paintComponent(Graphics g) {
      g.setColor(new Color(50, 50, 50, 100));
      g.fillRect(0, 0, getWidth(), getHeight());
    }
  };
  setContentPane(contentPane);
  initComponents();
  this.setModal(false);
  combatArea.setOpaque(false);
  jScrollPane1.setOpaque(false);
  jScrollPane1.getViewport().setOpaque(false);
  getRootPane().setOpaque(false);
  //setDefaultCloseOperation(JInternalFrame.HIDE_ON_CLOSE);
}

代码示例来源：origin: libgdx/libgdx

appliedEffectsPanel.add(this, constrains);
  JPanel titlePanel = new JPanel();
  titlePanel.setLayout(new LayoutManager() {
    public void removeLayoutComponent (Component comp) {
    titlePanel.add(upButton);
    upButton.setText("Up");
    upButton.setMargin(new Insets(0, 0, 0, 0));
    titlePanel.add(downButton);
    downButton.setText("Down");
    downButton.setMargin(new Insets(0, 0, 0, 0));
    nameLabel = new JLabel(effect.toString());
    titlePanel.add(nameLabel);
    Font font = nameLabel.getFont();
  add(titlePanel, new GridBagConstraints(0, 0, 1, 1, 1.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,
    new Insets(5, 0, 0, 5), 0, 0));
  titlePanel.setOpaque(false);
  valuesPanel = new JPanel();
  valuesPanel.setOpaque(false);
  valuesPanel.setLayout(new GridBagLayout());
  add(valuesPanel, new GridBagConstraints(0, 1, 1, 1, 1.0, 0.0, GridBagConstraints.CENTER,
    GridBagConstraints.HORIZONTAL, new Insets(0, 10, 5, 0), 0, 0));

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