下面列出了javax.swing.text.DefaultCaret#setUpdatePolicy ( ) 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。
public LogPanel() {
textArea.setLineWrap(true);
textArea.setEditable(false);
textArea.setWrapStyleWord(true);
DefaultCaret caret = (DefaultCaret) textArea.getCaret();
caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
JScrollPane scrollPane = new JScrollPane();
scrollPane.setViewportView(textArea);
setLayout(new BorderLayout());
add(scrollPane, BorderLayout.CENTER);
textArea.addPopupMenu();
}
private void initComponents() {
DefaultCaret caret = (DefaultCaret) statusTextArea.getCaret();
caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
setAutoscrolls(true);
setPreferredSize(new Dimension(183, 115));
statusTextArea.setEditable(false);
statusTextArea.setColumns(20);
statusTextArea.setFont(new Font("Monospaced", 0, 11)); // NOI18N
statusTextArea.setLineWrap(true);
statusTextArea.setRows(5);
statusTextArea.setWrapStyleWord(true);
setViewportView(statusTextArea);
}
/**
* Displays the notification.
*
* @param notification The notification
*/
private void publish(UserNotification notification) {
DefaultCaret caret = (DefaultCaret) textArea.getCaret();
if (autoScroll) {
caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
textArea.setCaretPosition(textArea.getDocument().getLength());
}
else {
caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
}
textArea.append(format(notification));
textArea.append("\n");
checkLength();
}
/**
* Displays the notification.
*
* @param notification The notification
*/
private void publish(UserNotification notification) {
DefaultCaret caret = (DefaultCaret) textArea.getCaret();
if (autoScroll) {
caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
textArea.setCaretPosition(textArea.getDocument().getLength());
}
else {
caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
}
textArea.append(format(notification));
textArea.append("\n");
checkLength();
}
@Override
public void setText(byte[] message) {
caret = (DefaultCaret) editor.getCaret();
caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
if (message != null) {
editor.setText(helpers.bytesToString(message));
}
caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
searchIndex = -1;
}
private void jCheckBoxLogActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jCheckBoxLogActionPerformed
DefaultCaret caret = (DefaultCaret) jTextArea1.getCaret();
if (jCheckBoxLog.isSelected()) {
caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
jTextArea1.setCaretPosition(jTextArea1.getDocument().getLength());
jScrollPaneLog.setViewportView(jTextArea1);
}
else caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
}
DataPanel(@Nonnull Project project) {
myProject = project;
DefaultCaret caret = (DefaultCaret)getCaret();
caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
setBorder(JBUI.Borders.empty(0, ReferencesPanel.H_GAP, BOTTOM_BORDER, 0));
}
/**
* Specify how the SmartScroller will function.
*
* @param scrollPane the scroll pane to monitor
* @param scrollDirection indicates which JScrollBar to monitor.
* Valid values are HORIZONTAL and VERTICAL.
* @param viewportPosition indicates where the viewport will normally be
* positioned as data is added.
* Valid values are START and END
*/
public SmartScroller(JScrollPane scrollPane, int scrollDirection, int viewportPosition) {
if (scrollDirection != HORIZONTAL
&& scrollDirection != VERTICAL)
throw new IllegalArgumentException("invalid scroll direction specified");
if (viewportPosition != START
&& viewportPosition != END)
throw new IllegalArgumentException("invalid viewport position specified");
this.viewportPosition = viewportPosition;
if (scrollDirection == HORIZONTAL)
scrollBar = scrollPane.getHorizontalScrollBar();
else
scrollBar = scrollPane.getVerticalScrollBar();
scrollBar.addAdjustmentListener(this);
// Turn off automatic scrolling for text components
Component view = scrollPane.getViewport().getView();
if (view instanceof JTextComponent) {
JTextComponent textComponent = (JTextComponent) view;
DefaultCaret caret = (DefaultCaret) textComponent.getCaret();
caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
}
}
private static void createAndShowGUI() {
test = new JScrollPane457();
test.setBorder(new TitledBorder(new EtchedBorder(), "Text Area"));
textArea = new JTextArea(25, 80);
textArea.setEditable(false);
for (int i = 0; i < NUMBER_OF_LINES; i++) {
textArea.append("line " + i + " 1234567890qwertyuiopasdfghjklzxcvbnm 1234567890qwertyuiopasdfghjklzxcvbnm\n");
}
JScrollPane scroll = new JScrollPane(textArea);
scroll.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
test.add(scroll);
DefaultCaret caret = (DefaultCaret) textArea.getCaret();
caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
frame = new JFrame("OGLTR_DisableGlyphModeState test");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.setSize(1000, 1000);
frame.add(test);
frame.pack();
frame.setVisible(true);
}
private void initStatsPanel() {
getStatsPanel().getStatsTextPane().setContentType("text/html");
getStatsPanel().getStatsTextPane().setText(getGameModel().getStats().getDisplayText());
//Fixes scroll issues on setText(), we want to keep the scroll position where it is
DefaultCaret caret = (DefaultCaret) getStatsPanel().getStatsTextPane().getCaret();
caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
}
/**
* Specify how the SmartScroller will function.
*
* @param scrollPane the scroll pane to monitor
* @param scrollDirection indicates which JScrollBar to monitor.
* Valid values are HORIZONTAL and VERTICAL.
* @param viewportPosition indicates where the viewport will normally be
* positioned as data is added.
* Valid values are START and END
*/
public SmartScroller(JScrollPane scrollPane, int scrollDirection, int viewportPosition)
{
if (scrollDirection != HORIZONTAL
&& scrollDirection != VERTICAL)
throw new IllegalArgumentException("invalid scroll direction specified");
if (viewportPosition != START
&& viewportPosition != END)
throw new IllegalArgumentException("invalid viewport position specified");
this.viewportPosition = viewportPosition;
if (scrollDirection == HORIZONTAL)
scrollBar = scrollPane.getHorizontalScrollBar();
else
scrollBar = scrollPane.getVerticalScrollBar();
scrollBar.addAdjustmentListener( this );
// Turn off automatic scrolling for text components
Component view = scrollPane.getViewport().getView();
if (view instanceof JTextComponent)
{
JTextComponent textComponent = (JTextComponent)view;
DefaultCaret caret = (DefaultCaret)textComponent.getCaret();
caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
}
}
/**
* sets text of textComp without moving its caret.
*
* @param textComp text component whose text needs to be set
* @param text text to be set. null will be treated as empty string
*/
public static void setText(JTextComponent textComp, String text){
if(text==null)
text = "";
if(textComp.getCaret() instanceof DefaultCaret){
DefaultCaret caret = (DefaultCaret)textComp.getCaret();
int updatePolicy = caret.getUpdatePolicy();
caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
try{
textComp.setText(text);
}finally{
caret.setUpdatePolicy(updatePolicy);
}
}else{
int mark = textComp.getCaret().getMark();
int dot = textComp.getCaretPosition();
try{
textComp.setText(text);
}finally{
int len = textComp.getDocument().getLength();
if(mark>len)
mark = len;
if(dot>len)
dot = len;
textComp.setCaretPosition(mark);
if(dot!=mark)
textComp.moveCaretPosition(dot);
}
}
}
/**
* Initializes the specified {@code HtmlPanel}.
*
* @param htmlPanel
* the {@code HtmlPanel} to be initialized.
*/
static private void init(HtmlPanel htmlPanel) {
htmlPanel.jEditorPane = new JEditorPane();
htmlPanel.jEditorPane.setContentType("text/html");
htmlPanel.jEditorPane.setText(htmlPanel.htmlElement.getText());
htmlPanel.jEditorPane.setEditable(false);
htmlPanel.jEditorPane.addHyperlinkListener(new HyperlinkListener() {
@Override
public void hyperlinkUpdate(HyperlinkEvent e) {
if (e.getEventType().equals(HyperlinkEvent.EventType.ACTIVATED))
try {
java.awt.Desktop.getDesktop().browse(e.getURL().toURI());
} catch (Exception ex) {
ex.printStackTrace();
}
}
});
htmlPanel.setPreferredSize(new Dimension(660, 400));
final Border border = BorderFactory.createCompoundBorder(
BorderFactory.createLineBorder(ColorParser.getColor("background"), 5),
BorderFactory.createLineBorder(Color.LIGHT_GRAY));
htmlPanel.setBorder(border);
htmlPanel.setViewportView(htmlPanel.jEditorPane);
// Smart scrolling
final DefaultCaret caret = (DefaultCaret) htmlPanel.jEditorPane.getCaret();
caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
htmlPanel.getVerticalScrollBar().addAdjustmentListener(htmlPanel);
}
@Override
public void componentOpened() {
DefaultCaret caret = (DefaultCaret) jTextArea1.getCaret();
caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
}
public static void makeNotViewReset(JTextArea a)
{
DefaultCaret caret = (DefaultCaret) a.getCaret();
caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
}
/**
* Construct a new app listing
*
* @param searchView
* the searchview that will handle button presses.
*
* @param doc
* the source from which to draw app info
*/
private ResultView(SearchView searchView, DocV2 doc) {
this.doc = doc;
this.searchView = searchView;
model = new HashMap<String, Object>();
model.put("i18n_installs", Messages.getString("ResultView.1")); //$NON-NLS-1$ //$NON-NLS-2$
model.put("i18n_rating", Messages.getString("ResultView.3")); //$NON-NLS-1$ //$NON-NLS-2$
model.put("i18n_price", Messages.getString("ResultView.5")); //$NON-NLS-1$ //$NON-NLS-2$
model.put("i18n_date", Messages.getString("ResultView.7")); //$NON-NLS-1$ //$NON-NLS-2$
model.put("i18n_version", Messages.getString("ResultView.2")); //$NON-NLS-1$ //$NON-NLS-2$
model.put("i18n_size", Messages.getString("ResultView.9")); //$NON-NLS-1$ //$NON-NLS-2$
model.put("i18n_permissions", Messages.getString("ResultView.27")); //$NON-NLS-1$ //$NON-NLS-2$
model.put("i18n_permissions_none", Messages.getString("ResultView.22")); //$NON-NLS-1$ //$NON-NLS-2$
model.put("i18n_changelog", Messages.getString("ResultView.4")); //$NON-NLS-1$ //$NON-NLS-2$
model.put("title", doc.getTitle()); //$NON-NLS-1$
model.put("installs", doc.getDetails().getAppDetails().getNumDownloads()); //$NON-NLS-1$
model.put("rating", String.format("%.2f", doc.getAggregateRating().getStarRating())); //$NON-NLS-1$ //$NON-NLS-2$
model.put("package", doc.getBackendDocid()); //$NON-NLS-1$
model.put("author", doc.getCreator()); //$NON-NLS-1$
model.put("price", doc.getOffer(0).getFormattedAmount()); //$NON-NLS-1$
model.put("date", doc.getDetails().getAppDetails().getUploadDate()); //$NON-NLS-1$
model.put("size", Archive.humanReadableByteCount(doc.getDetails().getAppDetails() //$NON-NLS-1$
.getInstallationSize(), true));
File icon = SearchWorker.getImageCacheFile(doc.getBackendDocid(), 4);
if (icon.exists()) {
model.put("icon", icon.toURI()); //$NON-NLS-1$
}
else {
model.put("icon", getClass().getResource("/rsrc/icons/icon_missing.png").toString());
}
JPanel buttons = new JPanel();
buttons.setLayout(new GridLayout(0, 1, 0, 4));
buttons.setOpaque(false);
download = new JButton(Messages.getString("ResultView.25"), iconDownload); //$NON-NLS-1$
gplay = new JButton(Messages.getString("ResultView.26")); //$NON-NLS-1$
details = new JToggleButton(Messages.getString("ResultView.6")); //$NON-NLS-1$
permissions = new JToggleButton(Messages.getString("ResultView.27")); //$NON-NLS-1$
buttons.add(download);
buttons.add(gplay);
buttons.add(details);
buttons.add(permissions);
entry = new HypertextPane(TmplTool.transform("app.html", model)); //$NON-NLS-1$
entry.setMargin(new Insets(10, 10, 10, 10));
entry.addHyperlinkListener(new BrowseUtil());
// Keep enclosing scrollpanes steady
DefaultCaret caret = (DefaultCaret) entry.getCaret();
caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
JPanel outer = new JPanel(); // Needed to simplify the layout code.
outer.setOpaque(false);
JPanel container = new JPanel();
container.setLayout(new BoxLayout(container, BoxLayout.Y_AXIS));
container.setOpaque(false);
container.add(buttons);
container.add(Box.createVerticalStrut(10));
container.add(createBadges(doc.getDetails().getAppDetails().getPermissionList()));
container.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
outer.add(container);
JSeparator sep = new JSeparator(JSeparator.VERTICAL);
sep.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
add(outer);
add(sep);
add(entry);
}
private Log() {
super();
DefaultCaret caret = (DefaultCaret) this.getCaret();
caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
}
/**
* Creates new form PrinterPanel
*/
public PrinterOutputImpl() {
initComponents();
DefaultCaret caret = (DefaultCaret)txtDisplay.getCaret();
caret.setUpdatePolicy(DefaultCaret.OUT_BOTTOM);
}
protected void buildContent() {
setLayout(new GridBagLayout());
this.inputTextPane = new JTextArea();
initKeyMap(this.inputTextPane);
this.inputScrollPane = new JScrollPane(this.inputTextPane, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
this.outputTextPane = new JTextPane();
this.outputTextPane.setContentType("text/html");
HTMLEditorKit kit = new HTMLEditorKit();
HTMLDocument doc = new HTMLDocument();
this.outputTextPane.setEditorKit(kit);
this.outputTextPane.setDocument(doc);
this.outputTextPane.setEditable(false);
this.outputScrollPane = new JScrollPane(this.outputTextPane, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED ,JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
DefaultCaret caret = (DefaultCaret) this.outputTextPane.getCaret();
caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
this.submitButton = new JButton("Submit");
this.submitButton.addActionListener(new SubmitAction());
this.clearButton = new JButton("Clear");
this.clearButton.addActionListener(new ClearAction());
this.stateComboBox = new JComboBox(LanguageState.values());
this.stateComboBox.addActionListener(new StateChangedAction());
this.emotionComboBox = new JComboBox(EmotionalState.values());
this.emotionComboBox.addActionListener(new EmotionChangedAction());
this.correctionCheckBox = new JCheckBox("Correction");
this.offensiveCheckBox = new JCheckBox("Offensive");
this.avatarLabel = new JLabel();
add(this.outputScrollPane, new GridBagConstraints(0,0,1,10, 1.0,1.0, GridBagConstraints.CENTER,GridBagConstraints.BOTH, new Insets(4,4,4,4), 0,0));
add(this.inputScrollPane, new GridBagConstraints(0,10,1,10, 1.0,0, GridBagConstraints.CENTER,GridBagConstraints.BOTH, new Insets(4,4,4,4), 0,50));
add(this.submitButton, new GridBagConstraints(1,0,1,1, 0.0,0.0, GridBagConstraints.CENTER,GridBagConstraints.BOTH, new Insets(4,4,4,4), 0,0));
add(this.clearButton, new GridBagConstraints(1,1,1,1, 0.0,0.0, GridBagConstraints.CENTER,GridBagConstraints.BOTH, new Insets(4,4,4,4), 0,0));
add(new JLabel("Language state:"), new GridBagConstraints(1,2,1,1, 0.0,0.0, GridBagConstraints.CENTER,GridBagConstraints.BOTH, new Insets(4,4,4,4), 0,0));
add(this.stateComboBox, new GridBagConstraints(1,3,1,1, 0.0,0.0, GridBagConstraints.CENTER,GridBagConstraints.BOTH, new Insets(4,4,4,4), 0,0));
add(new JLabel("Emote:"), new GridBagConstraints(1,4,1,1, 0.0,0.0, GridBagConstraints.CENTER,GridBagConstraints.BOTH, new Insets(4,4,4,4), 0,0));
add(this.emotionComboBox, new GridBagConstraints(1,5,1,1, 0.0,0.0, GridBagConstraints.CENTER,GridBagConstraints.BOTH, new Insets(4,4,4,4), 0,0));
add(this.correctionCheckBox, new GridBagConstraints(1,6,1,1, 0.0,0.0, GridBagConstraints.CENTER,GridBagConstraints.BOTH, new Insets(4,4,4,4), 0,0));
add(this.offensiveCheckBox, new GridBagConstraints(1,7,1,1, 0.0,0.0, GridBagConstraints.CENTER,GridBagConstraints.BOTH, new Insets(4,4,4,4), 0,0));
add(this.avatarLabel, new GridBagConstraints(1,8,1,1, 0.0,0.0, GridBagConstraints.CENTER,GridBagConstraints.BOTH, new Insets(4,4,4,4), 0,0));
resetBotInstance();
}
private JComponent init() {
final JPanel result = new JPanel(new BorderLayout());
myLogModel = new DefaultListModel();
myLog = new JBList(myLogModel);
myLog.setCellRenderer(new FocusElementRenderer());
myAllocation = new JEditorPane();
final DefaultCaret caret = new DefaultCaret();
myAllocation.setCaret(caret);
caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
myAllocation.setEditable(false);
final Splitter splitter = new Splitter(true);
splitter.setFirstComponent(ScrollPaneFactory.createScrollPane(myLog));
splitter.setSecondComponent(ScrollPaneFactory.createScrollPane(myAllocation));
myLog.addListSelectionListener(this);
KeyboardFocusManager.getCurrentKeyboardFocusManager().addPropertyChangeListener(this);
result.add(splitter, BorderLayout.CENTER);
final DefaultActionGroup group = new DefaultActionGroup();
group.add(new ClearAction());
result.add(ActionManager.getInstance().createActionToolbar(ActionPlaces.UNKNOWN, group, true).getComponent(), BorderLayout.NORTH);
return result;
}