Java Document.insertString方法代码示例

import javax.swing.text.Document; //导入方法依赖的package包/类
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();
    }
}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
private void generateJavadoc(Document doc, Descriptor desc, Indent ie) throws BadLocationException {
    // skip javadoc header /** and tail */ since they were already generated
    String content = desc.javadoc;
    
    if(content.endsWith("\n")) {
        content = content.substring(0, content.length() - "\n".length());
    }
    
    if (content.length() == 0) {
        return;
    }
    
    Position pos = desc.caret;
    int startOffset = pos.getOffset();
    doc.insertString(startOffset, content, null);
    
    if (startOffset != pos.getOffset()) {
        ie.reindent(startOffset + 1, pos.getOffset());
    }

}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public void actionPerformed(ActionEvent e) {
    JTextArea currentEditor = observer.getActiveEditor().getEditor();
    Document document = currentEditor.getDocument();
    Caret position = currentEditor.getCaret();

    int len = Math.abs(currentEditor.getCaret().getDot()
            - currentEditor.getCaret().getMark());
    int offset = Math.min(currentEditor.getCaret().getDot(), currentEditor
            .getCaret().getMark());

    try {
        String text = document.getText(offset, len);
        text = upperCase(text);
        document.remove(offset, len);
        document.insertString(offset, text, null);
        position.setDot(offset);
        position.moveDot(offset + len);
        currentEditor.requestFocus();
    } catch (BadLocationException e1) {
        observer.errorMessage(e1);
    }
}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
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;
}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
public void testModDuringLongOutputStreamSave() throws Exception {
    Document doc = support.openDocument();
    doc.insertString(0, "a", null);
    RequestProcessor.getDefault().post(new Runnable() {
        @Override
        public void run() {
            try {
                support.saveDocument();
                saveDocumentFinished.set(true);
            } catch (IOException ex) {
                throw new IllegalStateException(ex);
            }
        }
    });

    waitFor(saveToStreamStarted);
    doc.insertString(1, "b", null);
    docModDuringSaveStream.set(true);
    waitFor(saveDocumentFinished);
    // Here the document should be modified again since doc mod was made
    assertTrue(isModified());
}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
protected void setDocumentContent(Document document, String text) {
    try {
        document.remove(0, document.getLength());
        document.insertString(0, text, null);
    } catch (BadLocationException ex) {
        throw new AssertionError(null, ex);
    }
}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
private Document createDocument(String mimeType, String contents) {
    Document doc = new DefaultStyledDocument();
    doc.putProperty("mimeType", mimeType);
    try {
        doc.insertString(0, contents, null);
        return doc;
    } catch (BadLocationException ble) {
        throw new IllegalStateException(ble);
    }
}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
public void testSaveTokensWithinLookahead() throws Exception {
    Document doc = new ModificationTextDocument();
    String text = "aabc";
    doc.insertString(0, text, null);
    
    doc.putProperty(Language.class, TestSaveTokensInLATokenId.language());
    TokenHierarchy<?> hi = TokenHierarchy.get(doc);
    ((AbstractDocument)doc).readLock();
    try {
        TokenSequence<?> ts = hi.tokenSequence();
        ts.moveEnd(); // Force creation of all tokens
        LexerTestUtilities.initLastTokenHierarchyEventListening(doc);
    } finally {
        ((AbstractDocument)doc).readUnlock();
    }
        
    doc.remove(1, 1);

    ((AbstractDocument)doc).readLock();
    try {
        TokenHierarchyEvent evt = LexerTestUtilities.getLastTokenHierarchyEvent(doc);
        TokenChange<?> change = evt.tokenChange();
        assertEquals(1, change.addedTokenCount());
    } finally {
        ((AbstractDocument)doc).readUnlock();
    }
    
}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
public void testConcurrentModifications() throws BadLocationException {
    Document doc = createDocument(TestTokenId.language(), "NetBeans NetBeans NetBeans");
    SyntaxHighlighting layer = new SyntaxHighlighting(doc);

    {
        HighlightsSequence hs = layer.getHighlights(Integer.MIN_VALUE, Integer.MAX_VALUE);
        assertTrue("There should be some highlights", hs.moveNext());

        // Modify the document
        doc.insertString(0, "Hey", SimpleAttributeSet.EMPTY);

        assertFalse("There should be no highlights after co-modification", hs.moveNext());
    }
}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
public void testReload() throws Exception {
    final Pane[] pane = new Pane[1];
    SwingUtilities.invokeAndWait(new Runnable() {

        @Override
        public void run() {
            support.open();
            pane[0] = support.getAnyEditor();
        }
    });
    PositionRef one = support.createPositionRef(1, Bias.Forward);
    Document doc = support.getDocument();
    assertNotNull("Document is opened", doc);
    
    PositionRef two = support.createPositionRef(2, Bias.Forward);
    
    assertEquals(1, one.getOffset());
    assertEquals(2, two.getOffset());

    setNewTime(new Date());

    Thread.sleep(2000);
    
    assertNotNull("Document is opened", doc);

    assertEquals(1, one.getOffset());
    assertEquals(2, two.getOffset());
    
    doc.insertString(0, "a", null);
    
    assertEquals(2, one.getOffset());
    assertEquals(3, two.getOffset());
}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
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();
}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
public void testModifyTheFileAndThenPreventItToBeSavedOnFileDisappear() throws Exception {
    Document doc = edit.openDocument();
    
    assertFalse("Not Modified", edit.isModified());

    doc.insertString(0, "Base change\n", null);
    edit.saveDocument();
    
    edit.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;

    // to change timestamps
    Thread.sleep(1000);

    content = "Ahoj\n";
    date = new Date();

    // to change timestamps
    Thread.sleep(1000);

    doc.remove(0, doc.getLength());
    doc.insertString(0, "Internal change\n", null);

    String txt = doc.getText(0, doc.getLength());
    assertEquals("The right text is there", txt, "Internal change\n");
    
    arr = getPanes();
    assertNotNull("Panes are still open", arr);
    assertTrue("Document is remains modified", edit.isModified());

 //   DD.toReturn.push(DialogDescriptor.CLOSED_OPTION);

    try {
        edit.saveDocument();
        fail("External modification detected, expect UserQuestionException");
    } catch (UserQuestionException ex) {
        // rerun the action
        ex.confirmed();
    }
    assertFalse("Editor saved", edit.isModified());

    waitEQ();

    String txt2 = doc.getText(0, doc.getLength());
    assertEquals("The right text still remains", txt2, "Internal change\n");
    assertEquals("Text is saved as well", txt2,"Internal change\n");

    assertTrue("No dialog", DD.toReturn.isEmpty());
    if (DD.error != null) {
        fail("Error in dialog:\n" + DD.error);
    }

}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
public void testUpdateStartOffset() throws Exception {
    Document d = new PlainDocument();
    
    d.putProperty(Language.class,TestTokenId.language());
    
    d.insertString(0, "ident ident /** @see X */", null);
    
    TokenHierarchy<?> h = TokenHierarchy.get(d);
    ((AbstractDocument)d).readLock();
    try {
        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());
    } finally {
        ((AbstractDocument)d).readUnlock();
    }
}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
public void testDocumentChanges() throws BadLocationException {
    Document d = new PlainDocument();
    d.insertString(0, "01234567890123456789012345678901234567890123456789", SimpleAttributeSet.EMPTY);
    
    PositionsBag bag = new PositionsBag(d);
    
    SimpleAttributeSet attribsA = new SimpleAttributeSet();
    SimpleAttributeSet attribsB = new SimpleAttributeSet();

    attribsA.addAttribute("set-name", "attribsA");
    attribsB.addAttribute("set-name", "attribsB");
    
    bag.addHighlight(d.createPosition(0), d.createPosition(30), attribsA);
    bag.addHighlight(d.createPosition(10), d.createPosition(20), attribsB);
    GapList<Position> marks = bag.getMarks();
    GapList<AttributeSet> atttributes = bag.getAttributes();
    
    assertEquals("Wrong number of highlights", 4, marks.size());
    assertEquals("1. highlight - wrong start offset", 0, marks.get(0).getOffset());
    assertEquals("1. highlight - wrong end offset", 10, marks.get(1).getOffset());
    assertEquals("1. highlight - wrong attribs", "attribsA", atttributes.get(0).getAttribute("set-name"));

    assertEquals("2. highlight - wrong start offset", 10, marks.get(1).getOffset());
    assertEquals("2. highlight - wrong end offset", 20, marks.get(2).getOffset());
    assertEquals("2. highlight - wrong attribs", "attribsB", atttributes.get(1).getAttribute("set-name"));

    assertEquals("3. highlight - wrong start offset", 20, marks.get(2).getOffset());
    assertEquals("3. highlight - wrong end offset", 30, marks.get(3).getOffset());
    assertEquals("3. highlight - wrong attribs", "attribsA", atttributes.get(2).getAttribute("set-name"));
    assertNull("  3. highlight - wrong end", atttributes.get(3));
    
    d.insertString(12, "----", SimpleAttributeSet.EMPTY);
    
    assertEquals("Wrong number of highlights", 4, marks.size());
    assertEquals("1. highlight - wrong start offset", 0, marks.get(0).getOffset());
    assertEquals("1. highlight - wrong end offset", 10, marks.get(1).getOffset());
    assertEquals("1. highlight - wrong attribs", "attribsA", atttributes.get(0).getAttribute("set-name"));

    assertEquals("2. highlight - wrong start offset", 10, marks.get(1).getOffset());
    assertEquals("2. highlight - wrong end offset", 24, marks.get(2).getOffset());
    assertEquals("2. highlight - wrong attribs", "attribsB", atttributes.get(1).getAttribute("set-name"));

    assertEquals("3. highlight - wrong start offset", 24, marks.get(2).getOffset());
    assertEquals("3. highlight - wrong end offset", 34, marks.get(3).getOffset());
    assertEquals("3. highlight - wrong attribs", "attribsA", atttributes.get(2).getAttribute("set-name"));
    assertNull("  3. highlight - wrong end", atttributes.get(3));
    
    d.remove(1, 5);
    
    assertEquals("Wrong number of highlights", 4, marks.size());
    assertEquals("1. highlight - wrong start offset", 0, marks.get(0).getOffset());
    assertEquals("1. highlight - wrong end offset", 5, marks.get(1).getOffset());
    assertEquals("1. highlight - wrong attribs", "attribsA", atttributes.get(0).getAttribute("set-name"));

    assertEquals("2. highlight - wrong start offset", 5, marks.get(1).getOffset());
    assertEquals("2. highlight - wrong end offset", 19, marks.get(2).getOffset());
    assertEquals("2. highlight - wrong attribs", "attribsB", atttributes.get(1).getAttribute("set-name"));

    assertEquals("3. highlight - wrong start offset", 19, marks.get(2).getOffset());
    assertEquals("3. highlight - wrong end offset", 29, marks.get(3).getOffset());
    assertEquals("3. highlight - wrong attribs", "attribsA", atttributes.get(2).getAttribute("set-name"));
    assertNull("  3. highlight - wrong end", atttributes.get(3));
}
 

import javax.swing.text.Document; //导入方法依赖的package包/类
private void addAttribute(JTextComponent c, Document d, String text) throws BadLocationException {
    String nsPrefix = ctx.findFxmlNsPrefix();
    boolean addNsDecl = false;
    
    // declare the namespace, if not yet present
    if (nsPrefix == null) {
        nsPrefix = ctx.findPrefixString(JavaFXEditorUtils.FXML_FX_NAMESPACE_CURRENT, JavaFXEditorUtils.FXML_FX_PREFIX);
        addNsDecl = true;
    }
    int start = getStartOffset() + text.length();
    // fix the position against mutation
    Position startPos = NbDocument.createPosition(d, start, Position.Bias.Backward);

    StringBuilder sb = new StringBuilder();
    sb.append(" "); // tag-attribute separator

    if (ctx.isRootElement() && addNsDecl) {
        // append NS declaration 
        sb.append(createNsDecl(nsPrefix));
    }

    sb.append(ctx.createNSName(nsPrefix, getAttributeName())).append("=\"");

    int l = sb.length();
    sb.append("\"");
    if (!ctx.isTagFinished()) {
        if (shouldClose) {
            sb.append("/>");
        } else {
            sb.append(">");
        }
    }
    d.insertString(start, sb.toString(), null);
    
    if (!ctx.isRootElement() && addNsDecl) {
        d.insertString(
                ctx.getRootAttrInsertOffset(), 
                createNsDecl(nsPrefix), null);
    }

    // position the caret inside '' for the user to enter the value
    c.setCaretPosition(startPos.getOffset() + l);
}