下面列出了javax.swing.JComponent#getComponentCount ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* @see javax.swing.plaf.basic.BasicButtonUI#getMinimumSize(javax.swing.JComponent)
*/
public Dimension getMinimumSize(JComponent c) {
if (c.getComponentCount() > 0 && c.getLayout() != null) {
return null;
}
AbstractButton b = (AbstractButton) c;
SeaGlassContext ss = getContext(c);
final SynthStyle style2 = ss.getStyle();
Dimension size = style2.getGraphicsUtils(ss).getMinimumSize(ss, style2.getFont(ss), b.getText(), getSizingIcon(b),
b.getHorizontalAlignment(), b.getVerticalAlignment(),
b.getHorizontalTextPosition(), b.getVerticalTextPosition(),
b.getIconTextGap(), b.getDisplayedMnemonicIndex());
ss.dispose();
return size;
}
/**
* @see javax.swing.plaf.basic.BasicButtonUI#getPreferredSize(javax.swing.JComponent)
*/
public Dimension getPreferredSize(JComponent c) {
if (c.getComponentCount() > 0 && c.getLayout() != null) {
return null;
}
AbstractButton b = (AbstractButton) c;
SeaGlassContext ss = getContext(c);
SynthStyle style2 = ss.getStyle();
SynthGraphicsUtils graphicsUtils = style2.getGraphicsUtils(ss);
Dimension size = graphicsUtils.getPreferredSize(ss, style2.getFont(ss), b.getText(), getSizingIcon(b),
b.getHorizontalAlignment(),
b.getVerticalAlignment(), b.getHorizontalTextPosition(),
b.getVerticalTextPosition(), b.getIconTextGap(),
b.getDisplayedMnemonicIndex());
ss.dispose();
// Make height odd.
size.height &= ~1;
return size;
}
/**
* @see javax.swing.plaf.basic.BasicButtonUI#getMaximumSize(javax.swing.JComponent)
*/
public Dimension getMaximumSize(JComponent c) {
if (c.getComponentCount() > 0 && c.getLayout() != null) {
return null;
}
AbstractButton b = (AbstractButton) c;
SeaGlassContext ss = getContext(c);
final SynthStyle style2 = ss.getStyle();
Dimension size = style2.getGraphicsUtils(ss).getMaximumSize(ss, style2.getFont(ss), b.getText(), getSizingIcon(b),
b.getHorizontalAlignment(), b.getVerticalAlignment(),
b.getHorizontalTextPosition(), b.getVerticalTextPosition(),
b.getIconTextGap(), b.getDisplayedMnemonicIndex());
ss.dispose();
return size;
}
private static void setEnabledRecursive(final JComponent component, final boolean enabled) {
component.setEnabled(enabled);
final int count = component.getComponentCount();
for (int i = 0; i < count; i++) {
final Component child = component.getComponent(i);
if (child instanceof JComponent) {
final JComponent jchild = (JComponent) child;
if (enabled) {
final Boolean nestedEnabling = (Boolean) jchild.getClientProperty(NESTED_ENABLING);
if ((nestedEnabling == null) || nestedEnabling.booleanValue()) {
setEnabledRecursive(jchild, true);
}
} else {
setEnabledRecursive(jchild, false);
}
}
}
}
private void transparentSpinner(JSpinner spTo2) {
JComponent c = spTo2.getEditor();
for (int i = 0; i < c.getComponentCount(); i++) {
Component ct = c.getComponent(i);
if (ct instanceof JTextField) {
ct.setForeground(Color.WHITE);
ct.setBackground(ColorResource.getDarkBtnColor());
}
}
spTo2.setForeground(Color.WHITE);
spTo2.setBackground(ColorResource.getDarkBgColor());
spTo2.setBorder(null);
}
private void drawOpenSpotAtEndOfMenuBar(Graphics2D g2, JComponent mb) {
Point mblocation = SwingUtilities.convertPoint(mb, new Point(0,0), this);
if(mb.getComponentCount() > 0) {
Component lastComp = mb.getComponent(mb.getComponentCount()-1);
mblocation.x += lastComp.getX() + lastComp.getWidth();
}
g2.drawRect(mblocation.x+2, mblocation.y+2, mb.getHeight()-4, mb.getHeight()-4);
}
private void clearPopupMenu(JComponent component) {
component.setComponentPopupMenu(null);
for (int i = 0; i < component.getComponentCount(); i++) {
Component c = component.getComponent(i);
if (c instanceof JComponent)
clearPopupMenu((JComponent) c);
}
}
private void clearPopupMenu(JComponent component) {
component.setComponentPopupMenu(null);
for (int i = 0; i < component.getComponentCount(); i++) {
Component c = component.getComponent(i);
if (c instanceof JComponent)
clearPopupMenu((JComponent) c);
}
}
static void refreshComponentStyle(final JComponent container) {
for (Component component : container.getComponents()) {
if (component instanceof JComponent) {
final JComponent widget = (JComponent)component;
if (widget.getComponentCount() > 0) {
refreshComponentStyle(widget);
}
if (widget instanceof IThemeStyle) {
((IThemeStyle)widget).refreshStyle();
}
}
}
}
private void removeDefault() {
JComponent parent = (JComponent) getParent();
parent.remove(this);
if (parent.getComponentCount() == 0) {
parent.add(new SkillDefaultEditor());
}
parent.revalidate();
parent.repaint();
notifyActionListeners();
}
/**
* Removes previously bounded {@link ISettingChangeListener}s from the specified component, and also from all of its child components recursively.
*
* <p>
* Implementation simply clears the client property to which the bounded setting change listener was stored for to trigger the previously registered
* property change listener to take care of the rest.
* </p>
*
* @param container container of components whose bounded setting change listener to remove
*
* @see #addBindExecuteScl(ISettingChangeListener, ISettingsBean, Set, JComponent)
*/
public static void removeAllBoundedScl( final JComponent container ) {
// Just for the short name...
final JComponent c = container;
if ( c.getClientProperty( PROP_BOUNDED_SCL_LIST ) != null )
c.putClientProperty( PROP_BOUNDED_SCL_LIST, null );
for ( int i = c.getComponentCount() - 1; i >= 0; i-- ) {
final Component comp = c.getComponent( i );
if ( comp instanceof JComponent )
removeAllBoundedScl( (JComponent) comp );
}
}
private void registerChildren(JComponent c) {
String key = "animatedLayout.propertyListener";
for (int a = 0; a < c.getComponentCount(); a++) {
JComponent child = (JComponent) c.getComponent(a);
if (child.getClientProperty(key) == null) {
child.putClientProperty(key, destinationListener);
child.addPropertyChangeListener(PROPERTY_DESTINATION,
destinationListener);
}
}
}
private List<String> getKeywords(JComponent jc) {
List<String> returnValue = new ArrayList<>();
if (jc instanceof LazyDemoPanel) {
LazyDemoPanel ldp = (LazyDemoPanel) jc;
ShowcaseDemo d = ldp.getShowcaseDemo();
if (d.getKeywords() == null)
throw new NullPointerException(ldp.demoClassName);
for (String keyword : d.getKeywords()) {
returnValue.add(keyword.toLowerCase());
}
Class[] classes = d.getClasses();
if (classes == null)
throw new NullPointerException(
d.getClass().getSimpleName());
for (Class z : classes) {
int layer = 0;
/*
* Include at least 4 layers: CircularProgressBarUI ->
* BasicProgressBarUI -> ProgressBarUI -> ComponentUI
*/
while (z != null && !z.equals(Object.class) && layer < 4) {
returnValue.add(z.getSimpleName().toLowerCase());
returnValue.add(z.getName().toLowerCase());
z = z.getSuperclass();
layer++;
}
}
}
for (int a = 0; a < jc.getComponentCount(); a++) {
if (jc.getComponent(a) instanceof JComponent)
returnValue.addAll(
getKeywords((JComponent) jc.getComponent(a)));
}
return returnValue;
}
private static void getCheckBoxes(JComponent jc, List<JCheckBox> list) {
if (jc instanceof JCheckBox) {
list.add((JCheckBox) jc);
}
for (int a = 0; a < jc.getComponentCount(); a++) {
if (jc.getComponent(a) instanceof JComponent) {
getCheckBoxes((JComponent) jc.getComponent(a), list);
}
}
}
protected void setEnabledComponentsWhileLoading(boolean enabled) {
JDialog dialog = getJDialog();
JPanel dialogContentPanel = (JPanel)dialog.getContentPane();
Stack<JComponent> stack = new Stack<JComponent>();
stack.push(dialogContentPanel);
while (!stack.isEmpty()) {
JComponent component = stack.pop();
component.setEnabled(enabled);
int childrenCount = component.getComponentCount();
for (int i=0; i<childrenCount; i++) {
Component child = component.getComponent(i);
if (child instanceof JComponent) {
JComponent childComponent = (JComponent) child;
boolean found = false;
for (int k=0; k<this.componentsAllwaysEnabled.size(); k++) {
if (childComponent == this.componentsAllwaysEnabled.get(k)) {
found = true;
}
}
if (!found) {
// add the component in the stack to be enabled/disabled
stack.push(childComponent);
}
}
}
}
}
private static void setOpaque(JComponent jc,boolean opaque) {
if(jc instanceof JTextField)
return;
jc.setOpaque(false);
if(jc instanceof JSpinner)
return;
for(int a = 0; a<jc.getComponentCount(); a++) {
JComponent child = (JComponent)jc.getComponent(a);
setOpaque(child,opaque);
}
}
private static void setOpaque(JComponent jc, boolean opaque) {
if (jc instanceof JTextField)
return;
jc.setOpaque(false);
if (jc instanceof JSpinner)
return;
for (int a = 0; a < jc.getComponentCount(); a++) {
JComponent child = (JComponent) jc.getComponent(a);
setOpaque(child, opaque);
}
}
@Override
protected Collection<JComponent> getEmphasizedComponents(
JComponent container) {
Collection<JComponent> returnValue = super
.getEmphasizedComponents(container);
if (returnValue.isEmpty()) {
// when the super has nothing to emphasize, try to emphasize
// the last thing the user touched. For ex: if they rolled
// the mouse over a label and then left the container, keep
// the last thing they rolled over emphasized, just for
// continuity.
List<JComponent> lastEmphasized = (List<JComponent>) container
.getClientProperty(PROPERTY_LAST_EMPHASIZED);
if (lastEmphasized != null) {
returnValue = new ArrayList<>();
List children = Arrays.asList(container.getComponents());
for (JComponent jc : lastEmphasized) {
if (children.contains(jc)) {
returnValue.add(jc);
}
}
}
// if that failed, grab the last node in the path.
if (returnValue.isEmpty() && container.getComponentCount() > 0) {
JComponent last = (JComponent) container
.getComponent(container.getComponentCount() - 1);
returnValue = Arrays.asList(last);
}
}
container.putClientProperty(PROPERTY_LAST_EMPHASIZED,
new ArrayList<>(returnValue));
return returnValue;
}
public static void refreshComponentStyle(final JComponent container) {
for (Component component : container.getComponents()) {
if (component instanceof JComponent) {
final JComponent widget = (JComponent)component;
if (widget.getComponentCount() > 0) {
refreshComponentStyle(widget);
}
if (widget instanceof IThemeStyle) {
((IThemeStyle)widget).refreshStyle();
}
}
}
}
private boolean isLastChild(JComponent child, JComponent parent) {
if(parent == null) return false;
if(parent.getComponentCount() < 1) return false;
return (child == parent.getComponent(parent.getComponentCount()-1));
}