下面列出了javax.swing.text.Document#render ( ) 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 @Override void propertyChange(PropertyChangeEvent evt) {
if (evt.getPropertyName() == null || PROP_DOCUMENT.equals(evt.getPropertyName())) {
updatePaneFilter();
Document doc = pane.getDocument();
if (doc != null) {
doc.render(new Runnable() {
@Override
public void run() {
rebuildAll();
}
});
}
}
if (PROP_HL_INCLUDES.equals(evt.getPropertyName()) || PROP_HL_EXCLUDES.equals(evt.getPropertyName())) {
updatePaneFilter();
rebuildAllLayers();
}
}
public String getText () {
final String[] result = new String[1];
final Document doc = this.doc.get();
if (doc != null) {
doc.render(new Runnable() {
public void run () {
try {
result[0] = doc.getText(getStartOffset(), getLength());
} catch (BadLocationException ex) {
Exceptions.printStackTrace(ex);
}
}
});
}
return result[0];
}
public static int[] findIdentifierSpan( final TreePath decl, final CompilationInfo info, final Document doc) {
final int[] result = new int[] {-1, -1};
Runnable r = new Runnable() {
public void run() {
Token<JavaTokenId> t = findIdentifierSpan(info, doc, decl);
if (t != null) {
result[0] = t.offset(null);
result[1] = t.offset(null) + t.length();
}
}
};
if (doc != null) {
doc.render(r);
} else {
r.run();
}
return result;
}
@Override
public OffsetRange getReferenceSpan(final Document doc, final int caretOffset) {
final OffsetRange[] value = new OffsetRange[1];
value[0] = OffsetRange.NONE;
doc.render(new Runnable() {
@Override
public void run() {
TokenSequence<? extends JsTokenId> ts = LexUtilities.getJsTokenSequence(doc, caretOffset);
Token<? extends JsTokenId> path = getModeluPath(ts, caretOffset);
if (path != null) {
value[0] = new OffsetRange(ts.offset(), ts.offset() + ts.token().length());
}
}
});
return value[0];
}
/**
* Given a caret offset into a PHP document, compute the SQL statement for that
* location, if any.
*
* @param document the PHP source document
* @param caretOffset the caret location in the document
* @return the resulting PHPSQLStatement, or null if none could be determined
*/
public static PHPSQLStatement computeSQLStatement(final Document document, final int caretOffset) {
final PHPSQLStatement[] result = {null};
document.render(new Runnable() {
@Override
public void run() {
TokenSequence<PHPTokenId> seq = LexUtilities.getPHPTokenSequence(document, caretOffset);
if (seq == null) {
return;
}
PHPSQLStatement stmt = new PHPSQLStatement(seq, caretOffset);
if (stmt.getStatement() != null) {
result[0] = stmt;
}
}
});
return result[0];
}
/**
* Copied from org.netbeans.api.xml.parsers.DocumentInputSource to save whole module dependency.
*
* @param doc a Document to read
* @return Reader a reader that reads document's text
*/
public static Reader getDocumentReader(final Document doc) {
final String[] str = new String[1];
Runnable run = new Runnable() {
@Override
public void run () {
try {
str[0] = doc.getText(0, doc.getLength());
} catch (javax.swing.text.BadLocationException e) {
// impossible
LOG.log(Level.INFO, null, e);
}
}
};
doc.render(run);
return new StringReader(str[0]);
}
public static Pair<OffsetRange, FutureParamTask<DeclarationLocation, EditorFeatureContext>> getDeclarationLocation(final Document document, final int caretOffset, final FeatureCancel cancel) {
final AtomicReference<Pair<OffsetRange, FutureParamTask<DeclarationLocation, EditorFeatureContext>>> result =
new AtomicReference<>();
document.render(new Runnable() {
@Override
public void run() {
for (CssEditorModule module : getModules()) {
if (cancel.isCancelled()) {
return ;
}
Pair<OffsetRange, FutureParamTask<DeclarationLocation, EditorFeatureContext>> declarationLocation = module.getDeclaration(document, caretOffset);
if (declarationLocation != null) {
result.set(declarationLocation);
return ;
}
}
}
});
return result.get();
}
/**
* @return current state of Document as string
*/
public static String documentToString (final Document doc) {
final String[] str = new String[1];
// safely take the text from the document
Runnable run = new Runnable () {
public void run () {
try {
str[0] = doc.getText (0, doc.getLength ());
} catch (javax.swing.text.BadLocationException e) {
// impossible
e.printStackTrace ();
}
}
};
doc.render (run);
return str[0];
}
private static boolean isDotAtOffset(JTextComponent component, final int offset) {
final Document doc = component.getDocument();
final boolean[] result = { false };
doc.render(new Runnable() {
public void run() {
TokenSequence<SQLTokenId> seq = getSQLTokenSequence(doc);
if (seq == null) {
return;
}
seq.move(offset);
if (!seq.moveNext() && !seq.movePrevious()) {
return;
}
if (seq.offset() != offset) {
return;
}
result[0] = (seq.token().id() == SQLTokenId.DOT);
}
});
return result[0];
}
private void process(ConsoleModel model, List<ConsoleSection> sections) {
Document d = model.getDocument();
AtomicLockDocument ald = LineDocumentUtils.as(d, AtomicLockDocument.class);
Runnable r = () -> {
TokenHierarchy h = TokenHierarchy.get(d);
if (h == null) {
return;
}
TokenSequence seq = h.tokenSequence();
for (ConsoleSection s : sections) {
if (s.getType().java) {
defineEmbeddings(seq, model, s);
}
}};
if (ald != null) {
ald.runAtomicAsUser(r);
} else {
d.render(r);
}
}
@Override
protected void doQuery(CompletionResultSet resultSet, final Document doc, final int caretOffset) {
try {
final TplCompletionQuery.CompletionResult result = new TplCompletionQuery(doc).query();
if (result != null) {
doc.render(new Runnable() {
@Override
public void run() {
items = getItems(result, doc, caretOffset);
}
});
} else {
items = Collections.<TplCompletionItem>emptySet();
}
resultSet.addAllItems(items);
} catch (ParseException ex) {
Exceptions.printStackTrace(ex);
}
}
private void resetEditableArea(boolean caret) {
if (pane == null || pane.getDocument() == null) {
// probably closed
return;
}
Document document = pane.getDocument();
// may block/delay, check detached inside.
document.render(() -> {
if (detached) {
return;
}
final LineDocument ld = LineDocumentUtils.as(document, LineDocument.class);
if (ld == null) {
return;
}
ConsoleModel model = session.getModel();
ConsoleSection input = model.getInputSection();
if (input != null) {
int commandStart = input.getPartBegin();
// pane.setCaretPosition(commandStart);
if (commandStart > 0 && commandStart < document.getLength()) {
return;
}
if (caret) {
pane.setCaretPosition(commandStart);
}
}
});
}
private static boolean verifyDocument(final Document doc) {
if (doc == null) {
Logger.getLogger(SemanticHighlighterBase.class.getName()).log(Level.FINE, "SemanticHighlighter: Cannot get document!");
return false;
}
final boolean[] tokenSequenceNull = new boolean[1];
doc.render(new Runnable() {
@Override
public void run() {
tokenSequenceNull[0] = (TokenHierarchy.get(doc).tokenSequence() == null);
}
});
return !tokenSequenceNull[0];
}
@Override
public int[] getHyperlinkSpan(final Document doc, final int offset, HyperlinkType type) {
final AtomicReference<int[]> ret = new AtomicReference<>();
doc.render(new Runnable() {
@Override
public void run() {
ret.set(getELIdentifierSpan(doc, offset));
}
});
return ret.get();
}
@Override
protected boolean canFilter(final JTextComponent component) {
final Collection<PaletteCompletionItem> currentItems = items;
if(currentItems == null) {
return false;
}
final Document doc = component.getDocument();
final AtomicBoolean retval = new AtomicBoolean();
doc.render(new Runnable() {
@Override
public void run() {
try {
int offset = component.getCaretPosition();
if (completionExpressionStartOffset < 0 || offset < completionExpressionStartOffset) {
retval.set(false);
return;
}
String prefix = doc.getText(completionExpressionStartOffset, offset - completionExpressionStartOffset);
//check the items
for (PaletteCompletionItem item : currentItems) {
if (startsWithIgnoreCase(item.getItemName(), prefix)) {
retval.set(true); //at least one item will remain
return;
}
}
} catch (BadLocationException ex) {
Exceptions.printStackTrace(ex);
}
}
});
return retval.get();
}
@Override
public void actionPerformed(ActionEvent evt, final JTextComponent target) {
Document doc = target.getDocument();
doc.render(new Runnable() {
@Override
public void run() {
FoldHierarchy hierarchy = FoldHierarchy.get(target);
int dot = target.getCaret().getDot();
hierarchy.lock();
try {
try {
int rowStart = javax.swing.text.Utilities.getRowStart(target, dot);
int rowEnd = javax.swing.text.Utilities.getRowEnd(target, dot);
Fold fold = getLineFold(hierarchy, dot, rowStart, rowEnd);
if (fold == null) {
return;
}
List<Fold> allFolds = new ArrayList<>(FoldUtilities.findRecursive(fold));
Collections.reverse(allFolds);
allFolds.add(0, fold);
hierarchy.collapse(allFolds);
} catch (BadLocationException ble) {
Exceptions.printStackTrace(ble);
}
} finally {
hierarchy.unlock();
}
}
});
}
public void actionPerformed(ActionEvent evt, final JTextComponent target) {
Document doc = target.getDocument();
doc.render(new Runnable() {
@Override
public void run() {
FoldHierarchy hierarchy = FoldHierarchy.get(target);
int dot = target.getCaret().getDot();
hierarchy.lock();
try{
try{
int rowStart = javax.swing.text.Utilities.getRowStart(target, dot);
int rowEnd = javax.swing.text.Utilities.getRowEnd(target, dot);
Fold fold = FoldUtilities.findNearestFold(hierarchy, rowStart);
fold = getLineFold(hierarchy, dot, rowStart, rowEnd);
if (fold==null){
return; // no success
}
// ensure we' got the right fold
if (dotInFoldArea(target, fold, dot)){
hierarchy.collapse(fold);
}
}catch(BadLocationException ble){
Exceptions.printStackTrace(ble);
}
}finally {
hierarchy.unlock();
}
}
});
}
/** Creates new input stream from the file object.
* Finds the properties data object, checks if the document is loaded,
* if not is loaded and created a stream from the document.
* @exception IOException if any i/o problem occured during reading
*/
private PropertiesReader createReader() throws IOException {
// Get loaded document, or load it if necessary.
Document loadDoc = null;
if(editor.isDocumentLoaded()) {
loadDoc = editor.getDocument();
}
if(loadDoc == null) {
loadDoc = editor.openDocument();
}
final Document document = loadDoc;
final String[] str = new String[1];
// safely take the text from the document
document.render(new Runnable() {
public void run() {
try {
str[0] = document.getText(0, document.getLength());
} catch(BadLocationException ble) {
// Should be not possible.
ble.printStackTrace();
}
}
});
return new PropertiesReader(str[0]);
}
@Override
public OffsetRange getReferenceSpan(final Document doc, final int caretOffset) {
// int embeddedOffset = info.getSnapshot().getEmbeddedOffset(caretOffset);
final OffsetRange[] value = new OffsetRange[1];
doc.render(new Runnable() {
@Override
public void run() {
TokenSequence<? extends JsTokenId> ts = LexUtilities.getJsTokenSequence(doc, caretOffset);
if (ts == null) {
return;
}
ts.move(caretOffset);
if (ts.moveNext()) {
JsTokenId id = ts.token().id();
if (id == JsTokenId.IDENTIFIER) {
value[0] = new OffsetRange(ts.offset(), ts.offset() + ts.token().length());
return;
}
value[0] = isValueOfProperty(AngularWhenInterceptor.CONTROLLER_PROP, ts, caretOffset);
if (value[0] != null) {
return;
}
value[0] = isValueOfProperty(AngularWhenInterceptor.TEMPLATE_URL_PROP, ts, caretOffset);
if (value[0] != null) {
return;
}
value[0] = isValueOfProperty(AngularConfigInterceptor.COMPONENT_PROP, ts, caretOffset);
if (value[0] != null) {
return;
}
value[0] = isValueOfProperty(AngularConfigInterceptor.COMPONENTS_PROP, ts, caretOffset);
if (value[0] != null) {
return;
}
value[0] = isInObjectValueOfProperty(AngularConfigInterceptor.COMPONENTS_PROP, ts, caretOffset);
}
}
});
if (value[0] != null) {
return value[0];
}
return OffsetRange.NONE;
}
@Override
public void run(final CompilationController cc) throws Exception {
cc.toPhase(JavaSource.Phase.RESOLVED);
final int c = selection?start:this.caret;
final TreePath[] selectedElement = new TreePath[] {null};
// final boolean[] insideJavadoc = {false};
final Document doc = cc.getDocument();
doc.render(new Runnable() {
@Override
public void run() {
selectedElement[0] = validateSelection(cc, start, end);
if (selectedElement[0] == null) {
TokenSequence<JavaTokenId> ts = SourceUtils.getJavaTokenSequence(cc.getTokenHierarchy(), c);
int adjustedCaret = c;
ts.move(c);
if (ts.moveNext() && ts.token() != null) {
if (ts.token().id() == JavaTokenId.IDENTIFIER) {
adjustedCaret = ts.offset() + ts.token().length() / 2 + 1;
} /*else if (ts.token().id() == JavaTokenId.JAVADOC_COMMENT) {
TokenSequence<JavadocTokenId> jdts = ts.embedded(JavadocTokenId.language());
if (jdts != null && JavadocImports.isInsideReference(jdts, caret)) {
jdts.move(caret);
if (jdts.moveNext() && jdts.token().id() == JavadocTokenId.IDENT) {
adjustedCaret[0] = jdts.offset();
insideJavadoc[0] = true;
}
} else if (jdts != null && JavadocImports.isInsideParamName(jdts, caret)) {
jdts.move(caret);
if (jdts.moveNext()) {
adjustedCaret[0] = jdts.offset();
insideJavadoc[0] = true;
}
}
}*/
}
selectedElement[0] = cc.getTreeUtilities().pathFor(adjustedCaret);
}
}
});
//workaround for issue 89064
if (selectedElement[0].getLeaf().getKind() == Tree.Kind.COMPILATION_UNIT) {
List<? extends Tree> decls = cc.getCompilationUnit().getTypeDecls();
if (!decls.isEmpty()) {
TreePath path = TreePath.getPath(cc.getCompilationUnit(), decls.get(0));
if (path!=null && cc.getTrees().getElement(path)!=null) {
selectedElement[0] = path;
}
} else {
selectedElement[0] = null;
}
}
ui = createRefactoringUI(selectedElement[0] != null ? TreePathHandle.create(selectedElement[0], cc) : null, start, end, cc);
}