import org.jdesktop.swingx.JXHeader; //导入依赖的package包/类
/**
 * Configures the component default properties from the given header.
 * 
 * @param header the header to install the components into.
 */
protected void installComponentDefaults(JXHeader header) {
    // JW: force a not UIResource for properties which have ui default values
    // like color, font, ??
    titleLabel.setFont(getAsNotUIResource(header.getTitleFont()));
    titleLabel.setForeground(getAsNotUIResource(header.getTitleForeground()));
    titleLabel.setText(header.getTitle());
    descriptionPane.setFont(getAsNotUIResource(header.getDescriptionFont()));
    descriptionPane.setForeground(getAsNotUIResource(header.getDescriptionForeground()));
    descriptionPane.setOpaque(false);
    descriptionPane.setText(header.getDescription());
    descriptionPane.setLineWrap(true);

    imagePanel.setIcon(header.getIcon());

}
 

import org.jdesktop.swingx.JXHeader; //导入依赖的package包/类
protected void onPropertyChange(JXHeader h, String propertyName, Object oldValue, final Object newValue) {
    if ("title".equals(propertyName)) {
        titleLabel.setText(h.getTitle());
    } else if ("description".equals(propertyName)) {
        descriptionPane.setText(h.getDescription());
    } else if ("icon".equals(propertyName)) {
        imagePanel.setIcon(h.getIcon());
    } else if ("enabled".equals(propertyName)) {
        boolean enabled = h.isEnabled();
        titleLabel.setEnabled(enabled);
        descriptionPane.setEnabled(enabled);
        imagePanel.setEnabled(enabled);
    } else if ("titleFont".equals(propertyName)) {
        titleLabel.setFont((Font)newValue);
    } else if ("descriptionFont".equals(propertyName)) {
        descriptionPane.setFont((Font)newValue);
    } else if ("titleForeground".equals(propertyName)) {
        titleLabel.setForeground((Color)newValue);
    } else if ("descriptionForeground".equals(propertyName)) {
        descriptionPane.setForeground((Color)newValue);
    } else if ("iconPosition".equals(propertyName)) {
        resetLayout(h);
    }
}
 

import org.jdesktop.swingx.JXHeader; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
protected void addBasicDefaults(LookAndFeelAddons addon, DefaultsList defaults) {
    super.addBasicDefaults(addon, defaults);
    
    defaults.add(JXHeader.uiClassID, "org.jdesktop.swingx.plaf.basic.BasicHeaderUI");
    //TODO image is missing
    defaults.add("JXHeader.defaultIcon",
            LookAndFeel.makeIcon(HeaderAddon.class, "basic/resources/header-default.png"));
    //TODO use safe methods
    defaults.add("JXHeader.titleFont", new FontUIResource(UIManager.getFont("Label.font").deriveFont(Font.BOLD)));
    defaults.add("JXHeader.titleForeground", UIManager.getColor("Label.foreground"));
    defaults.add("JXHeader.descriptionFont", UIManager.getFont("Label.font"));
    defaults.add("JXHeader.descriptionForeground", UIManager.getColor("Label.foreground"));
    defaults.add("JXHeader.background",
            UIManagerExt.getSafeColor("control", new ColorUIResource(Color.decode("#C0C0C0"))));
    defaults.add("JXHeader.startBackground", new ColorUIResource(Color.WHITE));
}
 

import org.jdesktop.swingx.JXHeader; //导入依赖的package包/类
public BugDialog(Frame owner, Throwable thrown) {
  super(owner, true);

  this.thrown = thrown;
  this.errorLog = BugUtils.getErrorLog();

  //
  // header
  //
  final JXHeader header = new JXHeader(
    Resources.getString("BugDialog.heading"),
    Resources.getString("BugDialog.message"),
    new ImageIcon(BugDialog.class.getResource("/icons/48x48/bug.png"))
  );

  //
  // dialog
  //
  setTitle(Resources.getString("BugDialog.title"));
  setLocationRelativeTo(owner);
  setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
  setResizable(true);

  addWindowListener(new WindowAdapter() {
    public void windowClosed(WindowEvent e) {
      if (checkRequest != null)
        checkRequest.cancel(true);

      if (sendRequest != null)
        sendRequest.cancel(true);
    }
  });

  add(header, BorderLayout.NORTH);
  add(buildContentsPanel(), BorderLayout.CENTER);
  add(buildButtonPanel(), BorderLayout.SOUTH);

  showVersionCheckPanel();
  pack();
}
 

import org.jdesktop.swingx.JXHeader; //导入依赖的package包/类
/**
 * Creates, configures, adds contained components.
 * PRE: header's default properties must be set before calling this.
 * 
 * @param header the header to install the components into.
 */
protected void installComponents(JXHeader header) {
    titleLabel = new JLabel();
    descriptionPane = new DescriptionPane();
    imagePanel = new JLabel();
    installComponentDefaults(header);
    header.setLayout(new GridBagLayout());
    resetLayout(header);
}
 

import org.jdesktop.swingx.JXHeader; //导入依赖的package包/类
/**
 * Unconfigures, removes and nulls contained components.
 * 
 * @param header the header to install the components into.
 */
protected void uninstallComponents(JXHeader header) {
    uninstallComponentDefaults(header);
    header.remove(titleLabel);
    header.remove(descriptionPane);
    header.remove(imagePanel);
    titleLabel = null;
    descriptionPane = null;
    imagePanel = null;
}
 

import org.jdesktop.swingx.JXHeader; //导入依赖的package包/类
protected void installListeners(final JXHeader header) {
    propListener = new PropertyChangeListener() {
        @Override
        public void propertyChange(PropertyChangeEvent evt) {
            onPropertyChange(header, evt.getPropertyName(), evt.getOldValue(), evt.getNewValue());
        }
    };
    boundsListener = new HierarchyBoundsAdapter() {
        @Override
        public void ancestorResized(HierarchyEvent e) {
            if (header == e.getComponent()) {
                View v = (View) descriptionPane.getClientProperty(BasicHTML.propertyKey);
                // view might get lost on LAF change ...
                if (v == null) {
                    descriptionPane.putClientProperty(BasicHTML.propertyKey, 
                            MultiLineSupport.createView(descriptionPane));
                    v = (View) descriptionPane.getClientProperty(BasicHTML.propertyKey);
                }
                if (v != null) {
                    Container tla = header.getTopLevelAncestor();
                    if (tla == null) {
                        tla = header.getParent();
                        while (tla.getParent() != null) {
                            tla = tla.getParent();
                        }
                    }
                    int h = Math.max(descriptionPane.getHeight(), tla.getHeight());
                    int w = Math.min(tla.getWidth(), header.getParent().getWidth());
                    // 35 = description pane insets, TODO: obtain dynamically
                    w -= 35 + header.getInsets().left + header.getInsets().right + descriptionPane.getInsets().left + descriptionPane.getInsets().right + imagePanel.getInsets().left + imagePanel.getInsets().right + imagePanel.getWidth() + descriptionPane.getBounds().x;
                    v.setSize(w, h);
                    descriptionPane.setSize(w, (int) Math.ceil(v.getPreferredSpan(View.Y_AXIS)));
                }
            }
        }};
    header.addPropertyChangeListener(propListener);
    header.addHierarchyBoundsListener(boundsListener);
}
 

import org.jdesktop.swingx.JXHeader; //导入依赖的package包/类
private void resetLayout(JXHeader h) {
    h.remove(titleLabel);
    h.remove(descriptionPane);
    h.remove(imagePanel);
    if (h.getIconPosition() == null || h.getIconPosition() == IconPosition.RIGHT) {
        h.add(titleLabel, new GridBagConstraints(0, 0, 1, 1, 1.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, new Insets(12, 12, 0, 11), 0, 0));
        h.add(descriptionPane, new GridBagConstraints(0, 1, 1, 1, 1.0, 1.0, GridBagConstraints.FIRST_LINE_START, GridBagConstraints.BOTH, new Insets(0, 24, 12, 11), 0, 0));
        h.add(imagePanel, new GridBagConstraints(1, 0, 1, 2, 0.0, 1.0, GridBagConstraints.FIRST_LINE_END, GridBagConstraints.NONE, new Insets(12, 0, 11, 11), 0, 0));
    } else {
        h.add(titleLabel, new GridBagConstraints(1, 0, 1, 1, 1.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, new Insets(12, 12, 0, 11), 0, 0));
        h.add(descriptionPane, new GridBagConstraints(1, 1, 1, 1, 1.0, 1.0, GridBagConstraints.FIRST_LINE_START, GridBagConstraints.BOTH, new Insets(0, 24, 12, 11), 0, 0));
        h.add(imagePanel, new GridBagConstraints(0, 0, 1, 2, 0.0, 1.0, GridBagConstraints.FIRST_LINE_END, GridBagConstraints.NONE, new Insets(12, 11, 0, 11), 0, 0));
    }
}
 

import org.jdesktop.swingx.JXHeader; //导入依赖的package包/类
protected void installListeners(final JXHeader header) {
    propListener = new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            onPropertyChange(header, evt.getPropertyName(), evt.getOldValue(), evt.getNewValue());
        }
    };
    boundsListener = new HierarchyBoundsAdapter() {
        @Override
        public void ancestorResized(HierarchyEvent e) {
            if (header == e.getComponent()) {
                View v = (View) descriptionPane.getClientProperty(BasicHTML.propertyKey);
                // view might get lost on LAF change ...
                if (v == null) {
                    descriptionPane.putClientProperty(BasicHTML.propertyKey, 
                            descriptionPane.getMultiLineSupport().createView(descriptionPane));
                    v = (View) descriptionPane.getClientProperty(BasicHTML.propertyKey);
                }
                if (v != null) {
                    Container tla = header.getTopLevelAncestor();
                    if (tla == null) {
                        tla = header.getParent();
                        while (tla.getParent() != null) {
                            tla = tla.getParent();
                        }
                    }
                    int h = Math.max(descriptionPane.getHeight(), tla.getHeight());
                    int w = Math.min(tla.getWidth(), header.getParent().getWidth());
                    // 35 = description pane insets, TODO: obtain dynamically
                    w -= 35 + header.getInsets().left + header.getInsets().right + descriptionPane.getInsets().left + descriptionPane.getInsets().right + imagePanel.getInsets().left + imagePanel.getInsets().right + imagePanel.getWidth() + descriptionPane.getBounds().x;
                    v.setSize(w, h);
                    descriptionPane.setSize(w, (int) Math.ceil(v.getPreferredSpan(View.Y_AXIS)));
                }
            }
        }};
    header.addPropertyChangeListener(propListener);
    header.addHierarchyBoundsListener(boundsListener);
}
 

import org.jdesktop.swingx.JXHeader; //导入依赖的package包/类
/**
 * Installs default header properties.
 * <p>
 * 
 * NOTE: this method is called before the children are created, so must not
 * try to access any of those!.
 * 
 * @param header the header to install.
 */
protected void installDefaults(JXHeader header) {
    gradientLightColor = UIManagerExt.getColor("JXHeader.startBackground");
    if (gradientLightColor == null) {
        // fallback to white
        gradientLightColor = Color.WHITE;
    }
    gradientDarkColor = UIManagerExt.getColor("JXHeader.background");
    // for backwards compatibility (mostly for substance and synthetica,
    // I suspect) I'll fall back on the "control" color if
    // JXHeader.background
    // isn't specified.
    if (gradientDarkColor == null) {
        gradientDarkColor = UIManagerExt.getColor("control");
    }

    if (isUIInstallable(header.getBackgroundPainter())) {
        header.setBackgroundPainter(createBackgroundPainter());
    }

    // title properties
    if (isUIInstallable(header.getTitleFont())) {
        Font titleFont = UIManager.getFont("JXHeader.titleFont");
        // fallback to label font
        header.setTitleFont(titleFont != null ? titleFont : UIManager
                .getFont("Label.font"));
    }
    if (isUIInstallable(header.getTitleForeground())) {
        Color titleForeground = UIManagerExt
                .getColor("JXHeader.titleForeground");
        // fallback to label foreground
        header.setTitleForeground(titleForeground != null ? titleForeground
                : UIManagerExt.getColor("Label.foreground"));
    }

    // description properties
    if (isUIInstallable(header.getDescriptionFont())) {
        Font descFont = UIManager.getFont("JXHeader.descriptionFont");
        // fallback to label font
        header.setDescriptionFont(descFont != null ? descFont : UIManager
                .getFont("Label.font"));
    }
    if (isUIInstallable(header.getDescriptionForeground())) {
        Color descForeground = UIManagerExt
                .getColor("JXHeader.descriptionForeground");
        // fallback to label foreground
        header.setDescriptionForeground(descForeground != null ? descForeground
                : UIManagerExt.getColor("Label.foreground"));
    }
    
    // icon label properties
    if (isUIInstallable(header.getIcon())) {
        header.setIcon(UIManager.getIcon("Header.defaultIcon"));
    }
}
 

import org.jdesktop.swingx.JXHeader; //导入依赖的package包/类
protected void uninstallListeners(JXHeader h) {
    h.removePropertyChangeListener(propListener);
    h.removeHierarchyBoundsListener(boundsListener);
}
 

import org.jdesktop.swingx.JXHeader; //导入依赖的package包/类
/**
 * Uninstalls the given header's default properties. This implementation
 * does nothing.
 * 
 * @param h the header to ininstall the properties from.
 */
protected void uninstallDefaults(JXHeader h) {
}
 

import org.jdesktop.swingx.JXHeader; //导入依赖的package包/类
/**
 * Uninstalls component defaults. This implementation does nothing.
 * 
 * @param header the header to uninstall from.
 */
protected void uninstallComponentDefaults(JXHeader header) {
}