下面列出了javax.swing.JComponent#revalidate ( ) 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。
@Override
public void actionPerformed(ActionEvent event) {
String command = event.getActionCommand();
JComponent parent = (JComponent) getParent();
if (LeveledAmount.ATTRIBUTE_PER_LEVEL.equals(command)) {
((Bonus) mFeature).getAmount().setPerLevel(mLeveledAmountCombo.getSelectedIndex() == 1);
} else if (CHANGE_BASE_TYPE.equals(command)) {
LAST_FEATURE_TYPE = (FeatureType) mBaseTypeCombo.getSelectedItem();
if (LAST_FEATURE_TYPE != null && !LAST_FEATURE_TYPE.matches(mFeature)) {
Commitable.sendCommitToFocusOwner();
try {
parent.add(create(mRow, LAST_FEATURE_TYPE.createFeature()), UIUtilities.getIndexOf(parent, this));
} catch (Exception exception) {
// Shouldn't have a failure...
exception.printStackTrace(System.err);
}
parent.remove(this);
parent.revalidate();
parent.repaint();
}
} else {
super.actionPerformed(event);
}
}
private static void checkVisibility(JComponent comp) {
if (comp == null) return;
comp.invalidate();
comp.revalidate();
comp.doLayout();
comp.repaint();
for (Component c : comp.getComponents())
if (c.isVisible()) {
comp.setVisible(true);
return;
}
comp.setVisible(false);
}
/**
* Creates and returns a scroll panel which wraps the specified view component.<br>
* The returned scroll panel disables vertical scroll bar, and only displays the horizontal scroll bar when the view does not fit
* into the size of the view port. When the view fits into the view port, the scroll pane will not claim the space of the scroll bar.
*
* @param view view to wrap in the scroll pane
* @param parentToRevalidate parent to revalidate when the scroll pane decides to change its size
*
* @return the created self managed scroll pane
*/
public static JScrollPane createSelfManagedScrollPane( final Component view, final JComponent parentToRevalidate ) {
final JScrollPane scrollPane = new JScrollPane( view );
scrollPane.setVerticalScrollBarPolicy( JScrollPane.VERTICAL_SCROLLBAR_NEVER );
scrollPane.getHorizontalScrollBar().setPreferredSize( new Dimension( 0, 12 ) ); // Only want to restrict the height, width doesn't matter (it takes up whole width)
scrollPane.getHorizontalScrollBar().setUnitIncrement( 10 );
final ComponentListener scrollPaneComponentListener = new ComponentAdapter() {
@Override
public void componentResized( final ComponentEvent event ) {
scrollPane.setHorizontalScrollBarPolicy( view.getWidth() < scrollPane.getWidth() ? JScrollPane.HORIZONTAL_SCROLLBAR_NEVER : JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS );
scrollPane.setPreferredSize( null );
scrollPane.setPreferredSize( new Dimension( 10, scrollPane.getPreferredSize().height ) );
parentToRevalidate.revalidate();
}
};
scrollPane.addComponentListener( scrollPaneComponentListener );
return scrollPane;
}
private void process(MouseEvent e) {
Component c = e.getComponent();
JComponent splayedAncestor = (JComponent) getSplayedAncestor(c);
if (splayedAncestor == null) {
c.removeMouseListener(this);
} else if (prioritizeRollover) {
if (e.getID() == MouseEvent.MOUSE_ENTERED
&& splayedAncestor
.getClientProperty(PROPERTY_ROLLOVER_CHILD) != c) {
splayedAncestor.putClientProperty(PROPERTY_ROLLOVER_CHILD,
c);
splayedAncestor.revalidate();
} else if (e.getID() == MouseEvent.MOUSE_EXITED
&& splayedAncestor
.getClientProperty(PROPERTY_ROLLOVER_CHILD) == c) {
splayedAncestor.putClientProperty(PROPERTY_ROLLOVER_CHILD,
null);
splayedAncestor.revalidate();
}
}
}
public EnumControl(JComponent parent,
final String title, List<String> values, String current, final CommandQueue commandQueue) {
JLabel label = new JLabel(title);
parent.add(label);
parent.add(Box.createVerticalGlue());
comboBox = new JComboBox<String>();
for (String value : values) {
comboBox.addItem(value);
}
comboBox.setSelectedItem(current);
comboBox.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (!isUpdating) {
String newValue = (String)comboBox.getSelectedItem();
Command setCommand = new SetParameterValue();
setCommand.putAttribute(title, newValue);
try {
commandQueue.insertCommand(setCommand);
} catch (InterruptedException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
}
}
});
parent.add(comboBox);
parent.add(Box.createVerticalStrut(40));
parent.revalidate();
}
public void updateScroll()
{
List<JMenuItem> menuKeyList = getKeyList();
// Keep the first index less than the total number available in the list (unfiltered) minus the length of the scroll count, and no lower than zero
firstIndex = Math.min(firstIndex, menuKeyList.size() - SCROLL_COUNT);
firstIndex = Math.max(firstIndex, 0);
int lastIndex = firstIndex + Math.min(menuKeyList.size(), SCROLL_COUNT);
int runningUnfilteredCount = 0;
for (int i = 0; i < menuKeyList.size(); i++)
{
JMenuItem jmi = menuKeyList.get(i);
MenuVisibilityStatus status = allMenuItems.get(jmi);
final boolean inScrollBounds = !status.isFiltered() && runningUnfilteredCount >= firstIndex && runningUnfilteredCount < lastIndex;
status.setOutOfScrollBounds(!inScrollBounds);
if (!status.isFiltered())
{
runningUnfilteredCount++;
}
}
mainMenu.getPopupMenu().removeAll();
setMenuItemFilterVisibility();
upItem.setEnabled(firstIndex > 0);
mainMenu.getPopupMenu().add(upItem);
List<JMenuItem> inBoundsScrollMenuFolders = getInBoundScrollMenuFolders();
for (JMenuItem menuFolder : inBoundsScrollMenuFolders)
{
mainMenu.getPopupMenu().add(menuFolder);
}
downItem.setEnabled(lastIndex < runningUnfilteredCount);
mainMenu.getPopupMenu().add(downItem);
JComponent parent = (JComponent) upItem.getParent();
parent.revalidate();
parent.repaint();
}
private void installInLayeredPane(JComponent component) {
JLayeredPane layeredPane = getRootPane().getLayeredPane();
layeredPane.add(component, JLayeredPane.PALETTE_LAYER, 20);
Dimension size = component.getPreferredSize();
component.setSize(size);
component.setLocation((getWidth() - size.width) / 2,
(getHeight() - size.height) / 2);
component.revalidate();
component.setVisible(true);
}
private void refreshMenu() {
if (menuItems != null && menuItems.length > 0) {
firstIndex = Math.max(topFixedCount, firstIndex);
firstIndex = Math.min(menuItems.length - bottomFixedCount - scrollCount, firstIndex);
upItem.setEnabled(firstIndex > topFixedCount);
downItem.setEnabled(firstIndex + scrollCount < menuItems.length - bottomFixedCount);
menu.removeAll();
for (int i = 0; i < topFixedCount; i++) {
menu.add(menuItems[i]);
}
if (topFixedCount > 0) {
menu.addSeparator();
}
menu.add(upItem);
for (int i = firstIndex; i < scrollCount + firstIndex; i++) {
menu.add(menuItems[i]);
}
menu.add(downItem);
if (bottomFixedCount > 0) {
menu.addSeparator();
}
for (int i = menuItems.length - bottomFixedCount; i < menuItems.length; i++) {
menu.add(menuItems[i]);
}
JComponent parent = (JComponent) upItem.getParent();
parent.revalidate();
parent.repaint();
}
}
private void addFeature() {
JComponent parent = (JComponent) getParent();
try {
parent.add(create(mRow, LAST_FEATURE_TYPE.createFeature()));
} catch (Exception exception) {
// Shouldn't have a failure...
exception.printStackTrace(System.err);
}
if (mFeature == null) {
parent.remove(this);
}
parent.revalidate();
}
private void removeFeature() {
JComponent parent = (JComponent) getParent();
parent.remove(this);
if (parent.getComponentCount() == 0) {
parent.add(new NoFeature(mRow));
}
parent.revalidate();
parent.repaint();
}
private void addDefault() {
SkillDefault skillDefault = new SkillDefault(LAST_ITEM_TYPE, LAST_ITEM_TYPE.isSkillBased() ? "" : null, null, 0); //$NON-NLS-1$
JComponent parent = (JComponent) getParent();
parent.add(new SkillDefaultEditor(skillDefault));
if (mDefault == null) {
parent.remove(this);
}
parent.revalidate();
parent.repaint();
notifyActionListeners();
}
private void removeDefault() {
JComponent parent = (JComponent) getParent();
parent.remove(this);
if (parent.getComponentCount() == 0) {
parent.add(new SkillDefaultEditor());
}
parent.revalidate();
parent.repaint();
notifyActionListeners();
}
private void addItem(Prereq prereq) {
JComponent parent = (JComponent) getParent();
int index = UIUtilities.getIndexOf(parent, this);
((PrereqList) mPrereq).add(0, prereq);
parent.add(create(mRow, prereq, getDepth() + 1), index + 1);
parent.revalidate();
}
private void remove() {
JComponent parent = (JComponent) getParent();
int index = UIUtilities.getIndexOf(parent, this);
int count = countSelfAndDescendents(mPrereq);
for (int i = 0; i < count; i++) {
parent.remove(index);
}
mPrereq.removeFromParent();
parent.revalidate();
parent.repaint();
}
@Override
public void actionPerformed(ActionEvent event) {
String command = event.getActionCommand();
if (CHANGE_BASE_TYPE.equals(command)) {
Class<?> type = BASE_TYPES[mBaseTypeCombo.getSelectedIndex()];
if (!mPrereq.getClass().equals(type)) {
JComponent parent = (JComponent) getParent();
PrereqList list = mPrereq.getParent();
int listIndex = list.getIndexOf(mPrereq);
try {
Prereq prereq;
if (type == ContainedWeightPrereq.class) {
prereq = new ContainedWeightPrereq(list, mRow.getDataFile().defaultWeightUnits());
} else {
prereq = (Prereq) type.getConstructor(PrereqList.class).newInstance(list);
}
if (prereq instanceof HasPrereq && mPrereq instanceof HasPrereq) {
((HasPrereq) prereq).has(((HasPrereq) mPrereq).has());
}
list.add(listIndex, prereq);
list.remove(mPrereq);
parent.add(create(mRow, prereq, mDepth), UIUtilities.getIndexOf(parent, this));
} catch (Exception exception) {
// Shouldn't have a failure...
exception.printStackTrace(System.err);
}
parent.remove(this);
parent.revalidate();
parent.repaint();
ListPrereqEditor.setLastItemType(type);
}
} else if (CHANGE_HAS.equals(command)) {
((HasPrereq) mPrereq).has(((JComboBox<?>) event.getSource()).getSelectedIndex() == 0);
} else {
super.actionPerformed(event);
}
}
private void displayError(JComponent view) {
view.removeAll();
view.add(new JLabel("Failed to load probes, check the logfile",
SwingConstants.CENTER), BorderLayout.CENTER);
view.revalidate();
view.repaint();
}
private void refreshMenu() {
if (menuItems != null && menuItems.length > 0) {
firstIndex = Math.max(topFixedCount, firstIndex);
firstIndex = Math.min(menuItems.length - bottomFixedCount - scrollCount, firstIndex);
upItem.setEnabled(firstIndex > topFixedCount);
downItem.setEnabled(firstIndex + scrollCount < menuItems.length - bottomFixedCount);
menu.removeAll();
for (int i = 0; i < topFixedCount; i++) {
menu.add(menuItems[i]);
}
if (topFixedCount > 0) {
menu.add(new JSeparator());
}
menu.add(upItem);
for (int i = firstIndex; i < scrollCount + firstIndex; i++) {
menu.add(menuItems[i]);
}
menu.add(downItem);
if (bottomFixedCount > 0) {
menu.add(new JSeparator());
}
for (int i = menuItems.length - bottomFixedCount; i < menuItems.length; i++) {
menu.add(menuItems[i]);
}
JComponent parent = (JComponent) upItem.getParent();
parent.revalidate();
parent.repaint();
}
}
private void selectPlatform (Node pNode) {
Component active = null;
for (Component c : cards.getComponents()) {
if (c.isVisible() &&
(c == jPanel1 || c == messageArea)) {
active = c;
break;
}
}
final Dimension lastSize = active == null ?
null :
active.getSize();
this.clientArea.removeAll();
this.messageArea.removeAll();
this.removeButton.setEnabled (false);
if (pNode == null) {
((CardLayout)cards.getLayout()).last(cards);
return;
}
JComponent target = messageArea;
JComponent owner = messageArea;
JavaPlatform platform = pNode.getLookup().lookup(JavaPlatform.class);
if (pNode != getExplorerManager().getRootContext()) {
if (platform != null) {
this.removeButton.setEnabled (canRemove(platform, pNode.getLookup().lookup(DataObject.class)));
if (!platform.getInstallFolders().isEmpty()) {
this.platformName.setText(pNode.getDisplayName());
for (FileObject installFolder : platform.getInstallFolders()) {
File file = FileUtil.toFile(installFolder);
if (file != null) {
this.platformHome.setText (file.getAbsolutePath());
}
}
target = clientArea;
owner = jPanel1;
}
}
Component component = null;
if (pNode.hasCustomizer()) {
component = pNode.getCustomizer();
}
if (component == null) {
final PropertySheet sp = new PropertySheet();
sp.setNodes(new Node[] {pNode});
component = sp;
}
addComponent(target, component);
}
if (lastSize != null) {
final Dimension newSize = owner.getPreferredSize();
final Dimension updatedSize = new Dimension(
Math.max(lastSize.width, newSize.width),
Math.max(lastSize.height, newSize.height));
if (!newSize.equals(updatedSize)) {
owner.setPreferredSize(updatedSize);
}
}
target.revalidate();
CardLayout cl = (CardLayout) cards.getLayout();
if (target == clientArea) {
cl.first (cards);
}
else {
cl.last (cards);
}
}
/**
* Set the zoom factor for the Scene mananged by this ZoomManager
* instance. The value represents a percentage (e.g. 100%) and
* must be a positive number. Any value outside of the defined
* range (<tt>MIN_ZOOM_PERCENT</tt> and <tt>MAX_ZOOM_PERCENT</tt>)
* will be forced into that range.
*
* @param percent the percent value (e.g. 50 for half-size,
* 200 for double-size).
* @param center the point at which to zoom in and keep centered.
*/
public void setZoom(int percent, Point center) {
if (percent < MIN_ZOOM_PERCENT) {
percent = MIN_ZOOM_PERCENT;
} else if (percent > MAX_ZOOM_PERCENT) {
percent = MAX_ZOOM_PERCENT;
}
// Find the current center point prior to zooming.
Point sceneCenter = scene.convertViewToScene(center);
zoomPercentage = percent;
// Convert the percent value to the zoom factor Scene is expecting
// (a double that acts as the multiplier to the component sizes and
// locations, such that 0.5 is 50%, 1.0 is 100%, and 2.0 is 200%.
double factor = ((double) percent) / 100.0d;
scene.setZoomFactor(factor);
// Setting the zoom factor alone is not enough, must force
// validation and repainting of the scene for it to work.
scene.validate();
scene.repaint();
// Find the new center point and scroll the view after zooming.
Point newViewCenter = scene.convertSceneToView(sceneCenter);
JComponent view = scene.getView();
Rectangle visRect = view.getVisibleRect();
visRect.x = newViewCenter.x - (center.x - visRect.x);
visRect.y = newViewCenter.y - (center.y - visRect.y);
Dimension viewSize = view.getSize();
if (visRect.x + visRect.width > viewSize.width) {
visRect.x = viewSize.width - visRect.width;
}
if (visRect.y + visRect.height > viewSize.height) {
visRect.y = viewSize.height - visRect.height;
}
if (visRect.x < 0) {
visRect.x = 0;
}
if (visRect.y < 0) {
visRect.y = 0;
}
view.scrollRectToVisible(visRect);
view.revalidate();
view.repaint();
// Notify registered listeners so they may update their state.
fireZoomEvent(percent);
}
private void selectPlatform(Node pNode) {
Component active = null;
for (Component c : cards.getComponents()) {
if (c.isVisible()
&& (c == jPanel1 || c == messageArea)) {
active = c;
break;
}
}
final Dimension lastSize = active == null
? null
: active.getSize();
this.clientArea.removeAll();
this.messageArea.removeAll();
this.removeButton.setEnabled(false);
if (pNode == null) {
((CardLayout) cards.getLayout()).last(cards);
return;
}
JComponent target = messageArea;
JComponent owner = messageArea;
selectedPlatform = pNode.getLookup().lookup(AndroidSdk.class);
if (pNode != getExplorerManager().getRootContext()) {
if (selectedPlatform != null) {
mkDefault.setEnabled(!selectedPlatform.isDefaultSdk());
this.removeButton.setEnabled(!selectedPlatform.isDefaultSdk());
if (!selectedPlatform.getInstallFolders().isEmpty()) {
this.platformName.setText(pNode.getDisplayName());
for (FileObject installFolder : selectedPlatform.getInstallFolders()) {
File file = FileUtil.toFile(installFolder);
if (file != null) {
this.platformHome.setText(file.getAbsolutePath());
}
}
target = clientArea;
owner = jPanel1;
}
} else {
removeButton.setEnabled(false);
mkDefault.setEnabled(false);
}
Component component = null;
if (pNode.hasCustomizer()) {
component = pNode.getCustomizer();
}
if (component == null) {
final PropertySheet sp = new PropertySheet();
sp.setNodes(new Node[]{pNode});
component = sp;
}
addComponent(target, component);
}
if (lastSize != null) {
final Dimension newSize = owner.getPreferredSize();
final Dimension updatedSize = new Dimension(
Math.max(lastSize.width, newSize.width),
Math.max(lastSize.height, newSize.height));
if (!newSize.equals(updatedSize)) {
owner.setPreferredSize(updatedSize);
}
}
target.revalidate();
CardLayout cl = (CardLayout) cards.getLayout();
if (target == clientArea) {
cl.first(cards);
} else {
cl.last(cards);
}
}