下面列出了javax.swing.text.StyledDocument#getText ( ) 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 mouseClicked(MouseEvent e) {
WebTextPane textPane = (WebTextPane) e.getComponent();
StyledDocument doc = textPane.getStyledDocument();
Element elem = doc.getCharacterElement(textPane.viewToModel(e.getPoint()));
if (!elem.getAttributes().isDefined(URL_ATT_NAME))
// not a link
return;
int len = elem.getEndOffset() - elem.getStartOffset();
final String url;
try {
url = doc.getText(elem.getStartOffset(), len);
} catch (BadLocationException ex) {
LOGGER.log(Level.WARNING, "can't get URL", ex);
return;
}
Runnable run = new Runnable() {
@Override
public void run() {
WebUtils.browseSiteSafely(fixProto(url));
}
};
new Thread(run, "Link Browser").start();
}
/** return the offset of the first non-whitespace character on the line,
or -1 when the line does not exist
*/
private static int findLineOffset(StyledDocument doc, int lineNumber) {
int offset;
try {
offset = NbDocument.findLineOffset (doc, lineNumber - 1);
int offset2 = NbDocument.findLineOffset (doc, lineNumber);
try {
String lineStr = doc.getText(offset, offset2 - offset);
for (int i = 0; i < lineStr.length(); i++) {
if (!Character.isWhitespace(lineStr.charAt(i))) {
offset += i;
break;
}
}
} catch (BadLocationException ex) {
// ignore
}
} catch (IndexOutOfBoundsException ioobex) {
return -1;
}
return offset;
}
static String getText (Line l) throws Exception {
EditorCookie ec = (EditorCookie) l.getDataObject ().
getCookie (EditorCookie.class);
StyledDocument doc = ec.openDocument ();
if (doc == null) return "";
int off = NbDocument.findLineOffset (doc, l.getLineNumber ());
int len = NbDocument.findLineOffset (doc, l.getLineNumber () + 1) -
off - 1;
return doc.getText (off, len);
}
private void scrollToSearchResult(ArrayList<String> toHighlight, JTextPane textPane) {
if (toHighlight.size() == 0) {
return;
}
try {
StyledDocument logDetailsDocument = textPane.getStyledDocument();
String text = logDetailsDocument.getText(0, logDetailsDocument.getLength());
String string = toHighlight.get(0);
textPane.setCaretPosition(Math.max(text.indexOf(string), 0));
} catch (BadLocationException e) {
LOGGER.warn("Cant scroll to content, wrong location: " + e.getMessage());
}
}
public static String getAsString(String file) {
String result;
try {
FileObject testFile = Repository.getDefault().findResource(file);
DataObject DO = DataObject.find(testFile);
EditorCookie ec=(EditorCookie)(DO.getCookie(EditorCookie.class));
StyledDocument doc=ec.openDocument();
result=doc.getText(0, doc.getLength());
// result=Common.unify(result);
} catch (Exception e){
throw new AssertionFailedErrorException(e);
}
return result;
}
private String getDocumentText() {
String text = "";
try {
StyledDocument doc = getDocument();
if (doc != null) {
text = doc.getText(doc.getStartPosition().getOffset(), doc.getLength());
}
} catch (BadLocationException e) {
Logger.getLogger("global").log(Level.WARNING, null, e);
}
return text;
}
public void actionPerformed(ActionEvent ae) {
JTextComponent tComp = (JTextComponent) ae.getSource();
if (tComp.getDocument() instanceof StyledDocument) {
doc = (StyledDocument) tComp.getDocument();
try {
doc.getText(0, doc.getLength(), segment);
}
catch (Exception e) {
// should NEVER reach here
e.printStackTrace();
}
int offset = tComp.getCaretPosition();
int index = findTabLocation(offset);
buffer.delete(0, buffer.length());
buffer.append('\n');
if (index > -1) {
for (int i = 0; i < index + 4; i++) {
buffer.append(' ');
}
}
try {
doc.insertString(offset, buffer.toString(),
doc.getDefaultRootElement().getAttributes());
}
catch (BadLocationException ble) {
ble.printStackTrace();
}
}
}
/** Finds the text contained in this range.
* @return the text
* @exception IOException if any I/O problem occurred during document loading (if that was necessary)
* @exception BadLocationException if the positions are out of the bounds of the document
*/
public String getText() throws BadLocationException, IOException {
StyledDocument doc = begin.getCloneableEditorSupport().openDocument();
int p1 = begin.getOffset();
int p2 = end.getOffset();
return doc.getText(p1, p2 - p1);
}
public void testRefreshProblem46885 () throws Exception {
StyledDocument doc = support.openDocument ();
doc.insertString (0, "A text", null);
support.saveDocument ();
content = "New";
propL.firePropertyChange (CloneableEditorSupport.Env.PROP_TIME, null, null);
waitAWT ();
Task reloadTask = support.reloadDocument();
reloadTask.waitFinished();
String s = doc.getText (0, doc.getLength ());
assertEquals ("Text has been updated", content, s);
long oldtime = System.currentTimeMillis ();
Thread.sleep(300);
err.info("Document modified");
doc.insertString (0, "A text", null);
err.info("Document about to save");
support.saveDocument ();
err.info("Document saved");
s = doc.getText (0, doc.getLength ());
err.info("Current content: " + s);
content = "NOT TO be loaded";
propL.firePropertyChange (CloneableEditorSupport.Env.PROP_TIME, null, new Date (oldtime));
waitAWT ();
String s1 = doc.getText (0, doc.getLength ());
err.info("New content: " + s1);
assertEquals ("Text has not been updated", s, s1);
}
private static String getIdentifier(final StyledDocument doc, final JEditorPane ep, final int offset) {
String t = null;
if (ep.getCaret() != null) { // #255228
if ((ep.getSelectionStart() <= offset) && (offset <= ep.getSelectionEnd())) {
t = ep.getSelectedText();
}
if (t != null) {
return t;
}
}
int line = NbDocument.findLineNumber(doc, offset);
int col = NbDocument.findLineColumn(doc, offset);
Element lineElem = NbDocument.findLineRootElement(doc).getElement(line);
try {
if (lineElem == null) {
return null;
}
int lineStartOffset = lineElem.getStartOffset();
int lineLen = lineElem.getEndOffset() - lineStartOffset;
if (col + 1 >= lineLen) {
// do not evaluate when mouse hover behind the end of line (112662)
return null;
}
t = doc.getText(lineStartOffset, lineLen);
return getExpressionToEvaluate(t, col);
} catch (BadLocationException e) {
return null;
}
}
private String getDocumentText() {
String text = "";
try {
StyledDocument doc = getDocument();
if (doc != null) {
text = doc.getText(doc.getStartPosition().getOffset(), doc.getLength());
}
} catch (BadLocationException e) {
Logger.getLogger("global").log(Level.WARNING, null, e);
}
return text;
}
static void register(final JTextPane pane) {
final StyledDocument doc = pane.getStyledDocument();
String text = "";
try {
text = doc.getText(0, doc.getLength());
} catch (BadLocationException ex) {
Support.LOG.log(Level.SEVERE, null, ex);
}
final int[] boundaries = findBoundaries(text);
if ((boundaries != null) && (boundaries.length != 0)) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
Style defStyle = StyleContext.getDefaultStyleContext()
.getStyle(StyleContext.DEFAULT_STYLE);
final Style hlStyle = doc.addStyle("regularBlue-url", defStyle); //NOI18N
hlStyle.addAttribute(HyperlinkSupport.URL_ATTRIBUTE, new UrlAction());
StyleConstants.setForeground(hlStyle, UIUtils.getLinkColor());
StyleConstants.setUnderline(hlStyle, true);
for (int i = 0; i < boundaries.length; i+=2) {
doc.setCharacterAttributes(boundaries[i], boundaries[i + 1] - boundaries[i], hlStyle, true);
}
pane.removeMouseListener(getUrlMouseListener());
pane.addMouseListener(getUrlMouseListener());
}
});
}
}
public static FormattedCharacterBuffer convertDocumentToFormattedCharacterBuffer(
final StyledDocument document, Font font, int desiredWidth) {
// The following code calculates the number of rows and the number of columns required for the
// FormattedCharacterBuffer.
int width = desiredWidth, height = 0;
String text = "";
try {
text = document.getText(0, document.getLength());
} catch (BadLocationException e) {
// Cannot happen.
}
String[] chunks = text.split("\n");
height = chunks.length;
for (String line : chunks) {
// The +1 is necessary because we wish to store the newline characters in the
// FormattedCharacterBuffer.
width = Math.max(width, line.length() + 1);
}
// Height & width is calculated, now create the buffer.
FormattedCharacterBuffer result = new FormattedCharacterBuffer(height, width);
int lineindex = 0, columnindex = 0;
for (int index = 0; index < document.getLength(); ++index) {
if (text.charAt(index) != '\n') {
AttributeSet attributes = document.getCharacterElement(index).getAttributes();
Color foreground =
document.getForeground(attributes);
Color background =
document.getBackground(attributes);
columnindex++;
result.setAt(lineindex, columnindex, text.charAt(index), font, foreground, background);
} else {
columnindex = 0;
lineindex++;
}
}
return result;
}
/** Converts DataObject to String.
*/
public static String dataObjectToString(DataObject dataObject) throws IOException, BadLocationException {
EditorCookie editorCookie = (EditorCookie) dataObject.getCookie(EditorCookie.class);
if (editorCookie != null) {
StyledDocument document = editorCookie.openDocument();
if (document != null) {
return document.getText(0, document.getLength());
}
}
return null;
}
public static String renderText(final TypeInstance instance) {
final StyledDocument document = new DefaultStyledDocument();
generateDocument(instance, false, document);
try {
return document.getText(0, document.getLength());
} catch (final BadLocationException exception) {
CUtilityFunctions.logException(exception);
}
return "";
}
@Override
protected void query(CompletionResultSet completionResultSet, Document document, int caretOffset) {
final StyledDocument styDoc = (StyledDocument) document;
Element lineElement = styDoc.getParagraphElement(caretOffset);
int lineStartOffset = lineElement.getStartOffset();
int lineEndOffset = lineElement.getEndOffset();
try {
String line = styDoc.getText(lineStartOffset, lineEndOffset - lineStartOffset);
if (line.endsWith("\n")) {
line = line.substring(0, line.length() - 1);
}
if (showTooltip) {
logger.log(FINER, "Tooltip on: {0}", line);
} else {
logger.log(FINER, "Documentation on: {0}", line);
}
if (!line.contains("#")) {
//property name extraction from line
Matcher matcher = PATTERN_PROP_NAME.matcher(line);
if (matcher.matches()) {
String propPrefix = matcher.group(1);
ConfigurationMetadataProperty propMeta = sbs.getPropertyMetadata(propPrefix);
if (propMeta != null) {
if (showTooltip) {
final JToolTip toolTip = new JToolTip();
toolTip.setTipText(Utils.shortenJavaType(propMeta.getType()));
completionResultSet.setToolTip(toolTip);
} else {
completionResultSet.setDocumentation(new CfgPropCompletionDocumentation(propMeta));
}
}
}
}
} catch (BadLocationException ex) {
Exceptions.printStackTrace(ex);
}
completionResultSet.finish();
}
@Override
public void defaultAction(JTextComponent jtc) {
logger.log(Level.FINER, "Accepted file object completion: {0}", FileUtil.getFileDisplayName(fileObj));
try {
StyledDocument doc = (StyledDocument) jtc.getDocument();
// calculate the amount of chars to remove (by default from dot up to caret position)
int lenToRemove = caretOffset - dotOffset;
if (overwrite) {
// NOTE: the editor removes by itself the word at caret when ctrl + enter is pressed
// the document state here is different from when the completion was invoked thus we have to
// find again the offset of the equal sign in the line
Element lineElement = doc.getParagraphElement(caretOffset);
String line = doc.getText(lineElement.getStartOffset(), lineElement.getEndOffset() - lineElement.getStartOffset());
int equalSignIndex = line.indexOf('=');
int colonIndex = line.indexOf(':');
int commaIndex = line.indexOf(',', dotOffset - lineElement.getStartOffset());
if (equalSignIndex >= 0 && dotOffset < equalSignIndex) {
// from dot to equal sign
lenToRemove = lineElement.getStartOffset() + equalSignIndex - dotOffset;
} else if (colonIndex >= 0 && dotOffset < colonIndex) {
// from dot to colon
lenToRemove = lineElement.getStartOffset() + colonIndex - dotOffset;
} else if (commaIndex >= 0) {
// from dot to comma
lenToRemove = lineElement.getStartOffset() + commaIndex - dotOffset;
} else {
// from dot to end of line (except line terminator)
lenToRemove = lineElement.getEndOffset() - 1 - dotOffset;
}
}
// remove characters from dot then insert new text
doc.remove(dotOffset, lenToRemove);
if (fileObj.isRoot()) {
logger.log(Level.FINER, "Adding filesystem root and continuing completion");
doc.insertString(dotOffset, getText(), null);
} else if (fileObj.isFolder()) {
logger.log(Level.FINER, "Adding folder and continuing completion");
doc.insertString(dotOffset, getText().concat("/"), null);
} else {
logger.log(Level.FINER, "Adding file and finishing completion");
doc.insertString(dotOffset, getText(), null);
Completion.get().hideAll();
}
} catch (BadLocationException ex) {
Exceptions.printStackTrace(ex);
}
}
private static String getIdentifier (
StyledDocument doc,
JEditorPane ep,
int offset
) {
String t = null;
if ( (ep.getSelectionStart () <= offset) &&
(offset <= ep.getSelectionEnd ())
) t = ep.getSelectedText ();
if (t != null) return t;
int line = NbDocument.findLineNumber (
doc,
offset
);
int col = NbDocument.findLineColumn (
doc,
offset
);
try {
Element lineElem =
NbDocument.findLineRootElement (doc).
getElement (line);
if (lineElem == null) return null;
int lineStartOffset = lineElem.getStartOffset ();
int lineLen = lineElem.getEndOffset() - lineStartOffset;
t = doc.getText (lineStartOffset, lineLen);
lineLen = t.length ();
int identStart = col;
while ( (identStart > 0) &&
(t.charAt (identStart - 1) != '"')
) {
identStart--;
}
int identEnd = Math.max (col, 1);
while ( (identEnd < lineLen) &&
(t.charAt (identEnd - 1) != '"')
) {
identEnd++;
}
if (identStart == identEnd) return null;
return t.substring (identStart, identEnd - 1);
} catch (BadLocationException e) {
return null;
}
}
@Override
public void defaultAction(JTextComponent jtc) {
logger.log(Level.FINER, "Accepted java type completion: {0} {1}", new Object[]{elementKind.toString(), name});
try {
StyledDocument doc = (StyledDocument) jtc.getDocument();
// calculate the amount of chars to remove (by default from dot up to caret position)
int lenToRemove = caretOffset - dotOffset;
if (overwrite) {
// NOTE: the editor removes by itself the word at caret when ctrl + enter is pressed
// the document state here is different from when the completion was invoked thus we have to
// find again the offset of the equal sign in the line
Element lineElement = doc.getParagraphElement(caretOffset);
String line = doc.getText(lineElement.getStartOffset(), lineElement.getEndOffset() - lineElement.getStartOffset());
int equalSignIndex = line.indexOf('=');
int colonIndex = line.indexOf(':');
int commaIndex = line.indexOf(',', dotOffset - lineElement.getStartOffset());
if (equalSignIndex >= 0 && dotOffset < equalSignIndex) {
// from dot to equal sign
lenToRemove = lineElement.getStartOffset() + equalSignIndex - dotOffset;
} else if (colonIndex >= 0 && dotOffset < colonIndex) {
// from dot to colon
lenToRemove = lineElement.getStartOffset() + colonIndex - dotOffset;
} else if (commaIndex >= 0) {
// from dot to comma
lenToRemove = lineElement.getStartOffset() + commaIndex - dotOffset;
} else {
// from dot to end of line (except line terminator)
lenToRemove = lineElement.getEndOffset() - 1 - dotOffset;
}
}
// remove characters from dot then insert new text
doc.remove(dotOffset, lenToRemove);
if (isKeyCompletion) {
// insert and continue completion
doc.insertString(dotOffset, name.concat("="), null);
} else {
// insert and close the code completion box
doc.insertString(dotOffset, name, null);
Completion.get().hideAll();
}
} catch (BadLocationException ex) {
Exceptions.printStackTrace(ex);
}
}
/**
* Enbles <code>enable = true</code> or disables <code>enable = false</code> the module.
*/
public static void switchModule(String codeName, boolean enable) throws Exception {
String statusFile = "Modules/" + codeName.replace('.', '-') + ".xml";
ModuleInfo mi = getModuleInfo(codeName);
/*
FileObject fo = findFileObject(statusFile);
Document document = XMLUtil.parse(new InputSource(fo.getInputStream()), false, false, null, EntityCatalog.getDefault());
//Document document = XMLUtil.parse(new InputSource(data.getPrimaryFile().getInputStream()), false, false, null, EntityCatalog.getDefault());
NodeList list = document.getElementsByTagName("param");
for (int i = 0; i < list.getLength(); i++) {
Element ele = (Element) list.item(i);
if (ele.getAttribute("name").equals("enabled")) {
ele.getFirstChild().setNodeValue(enable ? "true" : "false");
break;
}
}
FileLock lock = fo.lock();
OutputStream os = fo.getOutputStream(lock);
XMLUtil.write(document, os, "UTF-8");
lock.releaseLock();
os.close();
*/
// module is switched
if (mi.isEnabled() == enable) {
return;
}
DataObject data = findDataObject(statusFile);
EditorCookie ec = (EditorCookie) data.getCookie(EditorCookie.class);
StyledDocument doc = ec.openDocument();
// Change parametr enabled
String stag = "<param name=\"enabled\">";
String etag = "</param>";
String enabled = enable ? "true" : "false";
String result;
String str = doc.getText(0,doc.getLength());
int sindex = str.indexOf(stag);
int eindex = str.indexOf(etag, sindex);
if (sindex > -1 && eindex > sindex) {
result = str.substring(0, sindex + stag.length()) + enabled + str.substring(eindex);
//System.err.println(result);
} else {
//throw new IllegalStateException("Invalid format of: " + statusFile + ", missing parametr 'enabled'");
// Probably autoload module
return;
}
// prepare synchronization and register listener
final Waiter waiter = new Waiter();
final PropertyChangeListener pcl = new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
if (evt.getPropertyName().equals("enabled")) {
waiter.notifyFinished();
}
}
};
mi.addPropertyChangeListener(pcl);
// save document
doc.remove(0,doc.getLength());
doc.insertString(0,result,null);
ec.saveDocument();
// wait for enabled propety change and remove listener
waiter.waitFinished();
mi.removePropertyChangeListener(pcl);
}