下面列出了javax.swing.text.Document#insertString ( ) 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。
static void replaceText(JTextComponent textComponent, final int offset, final int length, final String text) {
if (!textComponent.isEditable()) {
return;
}
final Document document = textComponent.getDocument();
Runnable r = new Runnable() {
public @Override void run() {
try {
if (length > 0) {
document.remove(offset, length);
}
document.insertString(offset, text, null);
} catch (BadLocationException ble) {
ErrorManager.getDefault().notify(ble);
}
}
};
if (document instanceof BaseDocument) {
((BaseDocument)document).runAtomic(r);
} else {
r.run();
}
}
private static void appletLog(final String msg, final Style style) {
if((APPLET_MESSAGEFRAME==null)||!APPLET_MESSAGEFRAME.isDisplayable()) {
createAppletMessageFrame();
}
Runnable refreshText = new Runnable() {
public synchronized void run() {
try {
Document doc = APPLET_MESSAGEFRAME.textPane.getDocument();
doc.insertString(doc.getLength(), msg+'\n', style);
// scroll to display new message
Rectangle rect = APPLET_MESSAGEFRAME.textPane.getBounds();
rect.y = rect.height;
APPLET_MESSAGEFRAME.textPane.scrollRectToVisible(rect);
} catch(BadLocationException ex) {
System.err.println(ex);
}
}
};
if(SwingUtilities.isEventDispatchThread()) {
refreshText.run();
} else {
SwingUtilities.invokeLater(refreshText);
}
}
public void testEvents() throws BadLocationException {
final String text = "Hello !";
Document doc = createDocument(TestTokenId.language(), text);
assertTrue("TokenHierarchy should be active", TokenHierarchy.get(doc).isActive());
SyntaxHighlighting layer = new SyntaxHighlighting(doc);
L listener = new L();
layer.addHighlightsChangeListener(listener);
assertHighlights(
text,
TokenHierarchy.create(text, TestTokenId.language()).tokenSequence(),
layer.getHighlights(Integer.MIN_VALUE, Integer.MAX_VALUE),
""
);
assertEquals("There should be no events", 0, listener.eventsCnt);
final String addedText = "World";
doc.insertString(6, addedText, SimpleAttributeSet.EMPTY);
assertEquals("Wrong number of events", 1, listener.eventsCnt);
assertTrue("Wrong change start offset", 6 >= listener.lastStartOffset);
assertTrue("Wrong change end offset", 6 + addedText.length() <= listener.lastEndOffset);
}
protected Document getDocument(FileObject fo){
Document result = null;
if (documentPooling) {
result = documentPool().get(fo);
}
if (result != null) return result;
try {
File file = FileUtil.toFile(fo);
FileInputStream fis = new FileInputStream(file);
byte buffer[] = new byte[fis.available()];
result = new org.netbeans.editor.BaseDocument(true, fo.getMIMEType());
result.remove(0, result.getLength());
fis.read(buffer);
fis.close();
String str = new String(buffer);
result.insertString(0,str,null);
} catch (Exception dObjEx) {
return null;
}
if (documentPooling) {
documentPool().put(fo, result);
}
return result;
}
public static Document setDocumentContentTo(Document doc, InputStream in) throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(in));
StringBuffer sbuf = new StringBuffer();
try {
String line = null;
while ((line = br.readLine()) != null) {
sbuf.append(line);
sbuf.append(System.getProperty("line.separator"));
}
} finally {
br.close();
}
doc.remove(0, doc.getLength());
doc.insertString(0,sbuf.toString(),null);
return doc;
}
/**
* Checks to see if enter was pressed and validates room.
*
* @param e the KeyEvent
*/
private void checkForEnter(KeyEvent e) {
final KeyStroke keyStroke = KeyStroke.getKeyStroke(e.getKeyCode(), e.getModifiers());
if (!keyStroke.equals(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, KeyEvent.SHIFT_DOWN_MASK)) &&
e.getKeyChar() == KeyEvent.VK_ENTER) {
e.consume();
sendMessage();
getChatInputEditor().setText("");
getChatInputEditor().setCaretPosition(0);
SparkManager.getWorkspace().getTranscriptPlugin().persistChatRoom(this);
}
else if (keyStroke.equals(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, KeyEvent.SHIFT_DOWN_MASK))) {
final Document document = getChatInputEditor().getDocument();
try {
document.insertString(getChatInputEditor().getCaretPosition(), "\n", null);
getChatInputEditor().requestFocusInWindow();
chatAreaButton.getButton().setEnabled(true);
}
catch (BadLocationException badLoc) {
Log.error("Error when checking for enter:", badLoc);
}
}
}
private void append(String str) {
Document doc = jtp.getDocument();
String text;
if (doc.getLength() > LIMIT) {
timerStop();
startButton.setEnabled(false);
text = "doc.getLength()>1000";
} else {
text = str;
}
try {
doc.insertString(doc.getLength(), text + LS, null);
jtp.setCaretPosition(doc.getLength());
} catch (BadLocationException ex) {
// should never happen
RuntimeException wrap = new StringIndexOutOfBoundsException(ex.offsetRequested());
wrap.initCause(ex);
throw wrap;
}
}
public void testModifyTheFileAndThenPreventItToBeSavedOnClose() throws Exception {
Document doc = support.openDocument();
doc.insertString(0, "Ahoj", null);
assertTrue("Modified", support.isModified());
support.open();
waitEQ();
JEditorPane[] arr = getPanes();
assertNotNull("There is one opened pane", arr);
java.awt.Component c = arr[0];
while (!(c instanceof CloneableEditor)) {
c = c.getParent();
}
CloneableEditor ce = (CloneableEditor)c;
toThrow = new IOException("NetworkConnectionLost");
// say save at the end
DD.toReturn = 0;
boolean result = ce.close();
assertFalse("Refused to save due to the exception", result);
waitEQ();
assertNotNull("There was a question", DD.options);
String txt = doc.getText(0, doc.getLength());
assertEquals("The right text is there", txt, "Ahoj");
assertEquals("Nothing has been saved", "", content);
arr = getPanes();
assertNotNull("Panes are still open", arr);
}
public void testMultiDocs() throws Exception {
JEditorPane pane = new JEditorPane();
pane.setText("abc ax ec ajo");
JFrame frame = new JFrame();
frame.getContentPane().add(pane);
frame.pack(); // Allows to EditorRegistry.register() to make an item in the component list
EditorApiPackageAccessor.get().setIgnoredAncestorClass(JEditorPane.class);
EditorApiPackageAccessor.get().register(pane);
Document doc = new PlainDocument();
WordMatch wordMatch = WordMatch.get(doc);
// 012345678901234567890123456789
doc.insertString(0, "abc a x ahoj", null);
int docLen = doc.getLength();
int offset = 5;
wordMatch.matchWord(offset, false);
compareText(doc, offset - 1, "abc ", docLen + 2);
wordMatch.matchWord(offset, false);
compareText(doc, offset - 1, "ahoj ", docLen + 3);
wordMatch.matchWord(offset, false);
compareText(doc, offset - 1, "ax ", docLen + 1);
wordMatch.matchWord(offset, false);
compareText(doc, offset - 1, "ajo ", docLen + 2);
wordMatch.matchWord(offset, false);
compareText(doc, offset - 1, "ajo ", docLen + 2);
pane.setText(""); // Ensure this doc would affect WordMatch for other docs
}
/**
* Insert time stamp.
*
* @param header time stamp
*/
protected void insertTimestamp(final String header) {
final Document doc = textPane.getDocument();
try {
if (header.length() > 0) {
doc.insertString(doc.getLength(), header,
textPane.getStyle("timestamp"));
}
} catch (final BadLocationException e) {
logger.error("Couldn't insert initial text.", e);
}
}
public void testNullChildren() throws Exception {
loggingOn();
ViewUpdatesTesting.setTestValues(ViewUpdatesTesting.NO_OP_TEST_VALUE);
JEditorPane pane = ViewUpdatesTesting.createPane();
Document doc = pane.getDocument();
final DocumentView docView = DocumentView.get(pane);
// Insert twice the length of chars that would be otherwise serviced with local views creation
int insertCount = ViewBuilder.MAX_CHARS_FOR_CREATE_LOCAL_VIEWS;
String insertText = "a\n";
for (int i = 0; i <= insertCount; i++) {
doc.insertString(0, insertText, null);
}
int docLen = doc.getLength();
int lineCount = doc.getDefaultRootElement().getElementCount();
docView.op.releaseChildren(false);
docView.ensureLayoutValidForInitedChildren();
docView.children.ensureParagraphsChildrenAndLayoutValid(docView, 0, lineCount / 2, 0, 0);
int hlStartOffset = docLen * 1 / 5;
int hlStartPIndex = doc.getDefaultRootElement().getElementIndex(hlStartOffset);
int hlEndOffset = hlStartOffset * 2;
int hlEndPIndex = hlStartPIndex * 2;
TestHighlightsViewFactory testFactory = ViewUpdatesTesting.getTestFactory(pane);
List<TestHighlight> testHlts = ViewUpdatesTesting.getHighlightsCopy(testFactory);
TestHighlight testHlt = TestHighlight.create(
ViewUtils.createPosition(doc, hlStartOffset),
ViewUtils.createPosition(doc, hlEndOffset),
ViewUpdatesTesting.FONT_ATTRS[2]
);
testHlts.add(testHlt);
testFactory.setHighlights(testHlts);
testFactory.fireChange(hlStartOffset, hlEndOffset);
docView.op.viewsRebuildOrMarkInvalid(); // Manually mark affected children as invalid
docView.children.ensureParagraphsChildrenAndLayoutValid(docView,
hlStartPIndex, hlEndPIndex, 0, 0);
ViewUpdatesTesting.setTestValues();
}
private Document getDocument(FileObject fo){
Document result = null;
if (documentPooling) {
result = documentPool().get(fo);
}
if (result != null) return result;
try {
File file = FileUtil.toFile(fo);
FileInputStream fis = new FileInputStream(file);
byte buffer[] = new byte[fis.available()];
result = new org.netbeans.editor.BaseDocument(
org.netbeans.modules.xml.text.syntax.XMLKit.class, false);
result.remove(0, result.getLength());
fis.read(buffer);
fis.close();
String str = new String(buffer);
result.insertString(0,str,null);
} catch (Exception dObjEx) {
return null;
}
if (documentPooling) {
documentPool().put(fo, result);
}
return result;
}
protected int insert(String s, int start, int end, Document doc, boolean reformat)
throws BadLocationException {
try {
doc.remove(start, end - start);
doc.insertString(start, s, null);
} catch (BadLocationException ble) {}
if(reformat)
reformat(doc, 0, doc.getLength());
return start;
}
public void testCheckOpenCompletion() throws BadLocationException {
Document doc = createDocument();
doc.insertString(0, "<", null);
assertTrue(HtmlCompletionProvider.checkOpenCompletion(doc, 1, "<"));
doc.insertString(1, "div", null);
assertFalse(HtmlCompletionProvider.checkOpenCompletion(doc, 4, "div"));
doc.insertString(4, " ", null);
assertTrue(HtmlCompletionProvider.checkOpenCompletion(doc, 5, " "));
doc.insertString(5, "/>", null);
assertFalse(HtmlCompletionProvider.checkOpenCompletion(doc, 7, "/>"));
doc.insertString(7, "</", null);
assertTrue(HtmlCompletionProvider.checkOpenCompletion(doc, 9, "</"));
doc.insertString(9, "div> &", null);
assertTrue(HtmlCompletionProvider.checkOpenCompletion(doc, 15, "div> &"));
//test end tag autocomplete
doc.remove(0, doc.getLength());
doc.insertString(0, "<div>", null);
assertTrue(HtmlCompletionProvider.checkOpenCompletion(doc, 5, ">"));
}
public void testNETBEANS2430() throws Exception {
FileObject grammar = FileUtil.createData(FileUtil.getConfigRoot(), "Editors/text/test/grammar.json");
try (OutputStream out = grammar.getOutputStream();
Writer w = new OutputStreamWriter(out)) {
w.write("{ \"scopeName\": \"test\", " +
" \"patterns\": [\n" +
" { \"name\": \"string.test\",\n" +
" \"begin\": \"x([^x]+)x\",\n" +
" \"end\": \"x\\\\1x\"\n" +
" },\n" +
" { \"name\": \"whitespace.test\",\n" +
" \"match\": \" +\"\n" +
" }\n" +
"]}\n");
}
grammar.setAttribute(LanguageHierarchyImpl.GRAMMAR_MARK, "test");
Document doc = new PlainDocument();
doc.insertString(0, " xaax xbbx\nxccx xaax ", null);
doc.putProperty(Language.class, new LanguageHierarchyImpl("text/test", "test").language());
TokenHierarchy hi = TokenHierarchy.get(doc);
TokenSequence<?> ts = hi.tokenSequence();
LexerTestUtilities.assertNextTokenEquals(ts, TextmateTokenId.TEXTMATE, " ");
assertTokenProperties(ts, "test", "whitespace.test");
//do not fully lex
doc.insertString(3, "a", null);
ts = hi.tokenSequence();
LexerTestUtilities.assertNextTokenEquals(ts, TextmateTokenId.TEXTMATE, " ");
assertTokenProperties(ts, "test", "whitespace.test");
LexerTestUtilities.assertNextTokenEquals(ts, TextmateTokenId.TEXTMATE, "xaaax");
assertTokenProperties(ts, "test", "string.test");
LexerTestUtilities.assertNextTokenEquals(ts, TextmateTokenId.TEXTMATE, " xbbx\n");
assertTokenProperties(ts, "test", "string.test");
LexerTestUtilities.assertNextTokenEquals(ts, TextmateTokenId.TEXTMATE, "xccx xaax \n");
assertFalse(ts.moveNext());
}
public void output(char c) {
try {
Document d = this.getDocument();
d.insertString(d.getLength()-inputPos, ""+c, null);
this.setCaretPosition(d.getLength()-inputPos);
}
catch(Exception e) {
e.printStackTrace();
}
}
public void testInputAttributes() throws Exception {
Document d = new ModificationTextDocument();
d.putProperty(Language.class,TestTokenId.language());
d.insertString(0, "ident ident /** @see X */", null);
// TokenHierarchy<?> h = TokenHierarchy.get(d).createSnapshot();
// TokenSequence<?> ts = h.tokenSequence();
//
// LexerTestUtilities.assertNextTokenEquals(ts,TestTokenId.IDENTIFIER, "ident");
// assertEquals(0, ts.offset());
//
// LexerTestUtilities.assertNextTokenEquals(ts,TestTokenId.WHITESPACE, " ");
// assertEquals(5, ts.offset());
//
// LexerTestUtilities.assertNextTokenEquals(ts,TestTokenId.IDENTIFIER, "ident");
// assertEquals(6, ts.offset());
//
// LexerTestUtilities.assertNextTokenEquals(ts,TestTokenId.WHITESPACE, " ");
// assertEquals(11, ts.offset());
//
// LexerTestUtilities.assertNextTokenEquals(ts,TestTokenId.JAVADOC_COMMENT, "/** @see X */");
// assertEquals(12, ts.offset());
//
// TokenSequence<?> inner = ts.embedded();
//
// assertNotNull(inner);
//
// LexerTestUtilities.assertNextTokenEquals(inner,TestJavadocTokenId.OTHER_TEXT, " ");
// assertEquals(15, inner.offset());
//
// LexerTestUtilities.assertNextTokenEquals(inner,TestJavadocTokenId.TAG, "@see");
// assertEquals(16, inner.offset());
//
// LexerTestUtilities.assertNextTokenEquals(inner,TestJavadocTokenId.OTHER_TEXT, " ");
// assertEquals(20, inner.offset());
//
// LexerTestUtilities.assertNextTokenEquals(inner,TestJavadocTokenId.IDENT, "X");
// assertEquals(21, inner.offset());
//
// LexerTestUtilities.assertNextTokenEquals(inner,TestJavadocTokenId.OTHER_TEXT, " ");
// assertEquals(22, inner.offset());
}
/**
* Insert the given String into the textcomponent. If the string contains
* the | vertical BAr char, then it will not be inserted, and the cursor will
* be set to its location.
* If there are TWO vertical bars, then the text between them will be selected
* If the toInsert String is multiLine, then indentation of all following lines
* will be the same as the first line. TAB characters will be replaced by
* the number of spaces in the document's TAB property.
* @param target
* @param dot
* @param toInsert
* @throws javax.swing.text.BadLocationException
*/
public static void insertMagicString(JTextComponent target, int dot, String toInsert)
throws BadLocationException {
Document doc = target.getDocument();
String[] lines = toInsert.split("\n");
if (lines.length > 1) {
// multi line strings will need to be indented
String tabToSpaces = getTab(target);
String currentLine = getLineAt(target, dot);
String currentIndent = getIndent(currentLine);
StringBuilder sb = new StringBuilder(toInsert.length());
boolean firstLine = true;
for (String l : lines) {
if (!firstLine) {
sb.append(currentIndent);
}
firstLine = false;
// replace tabs with spaces.
sb.append(l.replace("\t", tabToSpaces));
sb.append("\n");
}
toInsert = sb.toString();
}
if (toInsert.indexOf('|') >= 0) {
int ofst = toInsert.indexOf('|');
int ofst2 = toInsert.indexOf('|', ofst + 1);
toInsert = toInsert.replace("|", "");
doc.insertString(dot, toInsert, null);
dot = target.getCaretPosition();
int strLength = toInsert.length();
if (ofst2 > 0) {
// note that we already removed the first |, so end offset is now
// one less than what it was.
target.select(dot + ofst - strLength, dot + ofst2 - strLength - 1);
} else {
target.setCaretPosition(dot + ofst - strLength);
}
} else {
doc.insertString(dot, toInsert, null);
}
}
private void tokenListTest(String documentContent, String... golden) throws Exception {
Document doc = new PlainDocument();
doc.putProperty(Language.class, JavaTokenId.language());
doc.insertString(0, documentContent, null);
List<String> words = new ArrayList<String>();
TokenList l = new JavaTokenList(doc);
l.setStartOffset(0);
while (l.nextWord()) {
words.add(l.getCurrentWordText().toString());
}
assertEquals(Arrays.asList(golden), words);
}
private void tokenListTestWithWriting(String documentContent, int offset, String text, int startOffset, String... golden) throws Exception {
Document doc = new PlainDocument();
doc.putProperty(Language.class, JavaTokenId.language());
doc.insertString(0, documentContent, null);
List<String> words = new ArrayList<String>();
TokenList l = new JavaTokenList(doc);
while (l.nextWord()) {
}
doc.insertString(offset, text, null);
l.setStartOffset(startOffset);
while (l.nextWord()) {
words.add(l.getCurrentWordText().toString());
}
assertEquals(Arrays.asList(golden), words);
}