Java NbDocument类代码示例

import org.openide.text.NbDocument; //导入依赖的package包/类
/**
 * Set currently selected text (in editor) as "Text to find" value.
 */
public void useCurrentlySelectedText() {
    Node[] arr = TopComponent.getRegistry().getActivatedNodes();
    if (arr.length > 0) {
        EditorCookie ec = arr[0].getLookup().lookup(EditorCookie.class);
        if (ec != null) {
            JEditorPane recentPane = NbDocument.findRecentEditorPane(ec);
            if (recentPane != null) {
                String initSearchText = recentPane.getSelectedText();
                if (initSearchText != null) {
                    cboxTextToFind.setSearchPattern(SearchPattern.create(
                            initSearchText, false, false, false));
                    searchCriteria.setTextPattern(initSearchText);
                    return;
                }
            }
        }
    }
    searchCriteria.setTextPattern(
            cboxTextToFind.getSearchPattern().getSearchExpression());
}
 

import org.openide.text.NbDocument; //导入依赖的package包/类
static int[] computeLineSpan(Document doc, int lineNumber) throws BadLocationException {
    lineNumber = Math.min(lineNumber, NbDocument.findLineRootElement((StyledDocument) doc).getElementCount());
    
    int lineStartOffset = NbDocument.findLineOffset((StyledDocument) doc, Math.max(0, lineNumber - 1));
    int lineEndOffset;
    
    if (doc instanceof BaseDocument) {
        lineEndOffset = Utilities.getRowEnd((BaseDocument) doc, lineStartOffset);
    } else {
        //XXX: performance:
        String lineText = doc.getText(lineStartOffset, doc.getLength() - lineStartOffset);
        
        lineText = lineText.indexOf('\n') != (-1) ? lineText.substring(0, lineText.indexOf('\n')) : lineText;
        lineEndOffset = lineStartOffset + lineText.length();
    }
    
    int[] span = new int[] {lineStartOffset, lineEndOffset};
    
    computeLineSpan(doc, span);
    
    return span;
}
 

import org.openide.text.NbDocument; //导入依赖的package包/类
@Override
@NbBundle.Messages({"LBL_OpenDocument=Open Document", 
                    "# {0} - to be opened documents path",  "MSG_CannotOpen=Could not open document with path\n {0}",
                    "# {0} - to be found documents path",  "MSG_CannotFind=Could not find document with path\n {0}"})
public void openDocument(final String path, final int offset) {
    final FileObject fo = findFile(path);
    if ( fo != null ) {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                try {
                    DataObject od = DataObject.find(fo);
                    boolean ret = NbDocument.openDocument(od, offset, -1, Line.ShowOpenType.OPEN, Line.ShowVisibilityType.FOCUS);
                    if(!ret) {
                        notifyError(Bundle.LBL_OpenDocument(), Bundle.MSG_CannotOpen(path));
                    }
                } catch (DataObjectNotFoundException e) {
                    IDEServicesImpl.LOG.log(Level.SEVERE, null, e);
                }
            }
        });
    } else {
        notifyError(Bundle.LBL_OpenDocument(), Bundle.MSG_CannotFind(path));
    }
}
 

import org.openide.text.NbDocument; //导入依赖的package包/类
public void testWrapping() throws Exception {
        MimePath mimePath = MimePath.EMPTY;
        MockMimeLookup.setInstances(mimePath, new TestingUndoableEditWrapper(), new TestingUndoableEditWrapper2());
        CESEnv env = new CESEnv();
        Document doc = env.support.openDocument();
//        doc.addUndoableEditListener(new UndoableEditListener() {
//            @Override
//            public void undoableEditHappened(UndoableEditEvent e) {
//                UndoableEdit edit = e.getEdit();
//            }
//        });
        doc.insertString(0, "Test", null);
        Class wrapEditClass = TestingUndoableEditWrapper.WrapCompoundEdit.class;
        assertNotNull(NbDocument.getEditToBeUndoneOfType(env.support, wrapEditClass));
        Class wrapEditClass2 = TestingUndoableEditWrapper2.WrapCompoundEdit2.class;
        assertNotNull(NbDocument.getEditToBeUndoneOfType(env.support, wrapEditClass2));
        
        // A trick to get whole edit
        UndoableEdit wholeEdit = NbDocument.getEditToBeUndoneOfType(env.support, UndoableEdit.class);
        assertTrue(wholeEdit instanceof List);
        @SuppressWarnings("unchecked")
        List<? extends UndoableEdit> listEdit = (List<? extends UndoableEdit>) wholeEdit;
        assertEquals(3, listEdit.size());
        assertEquals(wrapEditClass, listEdit.get(1).getClass());
        assertEquals(wrapEditClass2, listEdit.get(2).getClass());
    }
 

import org.openide.text.NbDocument; //导入依赖的package包/类
public void defaultAction(final JTextComponent component) {
    Completion.get().hideCompletion();
    Completion.get().hideDocumentation();
    NbDocument.runAtomic((StyledDocument) component.getDocument(), new Runnable() {
        public void run() {
            Document doc = component.getDocument();
            
            try {
                doc.remove(substituteOffset, component.getCaretPosition() - substituteOffset);
                doc.insertString(substituteOffset, getText(), null);
            } catch (BadLocationException e) {
                ErrorManager.getDefault().notify(e);
            }
        }
    });
}
 

import org.openide.text.NbDocument; //导入依赖的package包/类
private static boolean openFileAtOffset(DataObject dataObject, int offset) throws IOException {
    EditorCookie ec = dataObject.getCookie(EditorCookie.class);
    LineCookie lc = dataObject.getCookie(LineCookie.class);
    if (ec != null && lc != null) {
        StyledDocument doc = ec.openDocument();
        if (doc != null) {
            int lineNumber = NbDocument.findLineNumber(doc, offset);
            if (lineNumber != -1) {
                Line line = lc.getLineSet().getCurrent(lineNumber);
                if (line != null) {
                    int lineOffset = NbDocument.findLineOffset(doc, lineNumber);
                    int column = offset - lineOffset;
                    line.show(ShowOpenType.OPEN, ShowVisibilityType.FOCUS, column);
                    return true;
                }
            }
        }
    }
    return false;
}
 

import org.openide.text.NbDocument; //导入依赖的package包/类
public String toString () {
        int offset = next (1) == null ?
            doc.getLength () : next (1).getOffset ();
        int lineNumber = NbDocument.findLineNumber (doc, offset);
        return (String) doc.getProperty ("title") + ":" + 
            (lineNumber + 1) + "," + 
            (offset - NbDocument.findLineOffset (doc, lineNumber) + 1);
//        StringBuffer sb = new StringBuffer ();
//        TokenItem t = next;
//        int i = 0;
//        while (i < 10) {
//            if (t == null) break;
//            EditorToken et = (EditorToken) t.getTokenID ();
//            sb.append (Token.create (
//                et.getMimeType (),
//                et.getType (),
//                t.getImage (),
//                null
//            ));
//            t = t.getNext ();
//            i++;
//        }
//        return sb.toString ();
    }
 

import org.openide.text.NbDocument; //导入依赖的package包/类
private static boolean isEmpty (
    int                     ln,
    StyledDocument          document,
    Set<Integer>            whitespaces
) throws BadLocationException {
    int start = NbDocument.findLineOffset (document, ln);
    int end = document.getLength ();
    try {
        end = NbDocument.findLineOffset (document, ln + 1) - 1;
    } catch (IndexOutOfBoundsException ex) {
    }
    TokenSequence ts = Utils.getTokenSequence (document, start);
    if (ts.token () == null) return true;
    while (whitespaces.contains (ts.token ().id ().ordinal ())) {
        if (!ts.moveNext ()) return true;
        if (ts.offset () > end) return true;
    }
    return false;
}
 

import org.openide.text.NbDocument; //导入依赖的package包/类
@Override
public void defaultAction(final JTextComponent component) {
    Completion.get().hideCompletion();
    Completion.get().hideDocumentation();
    NbDocument.runAtomic((StyledDocument) component.getDocument(), new Runnable() {
        @Override
        public void run() {
            Document doc = component.getDocument();

            try {
                doc.remove(0, doc.getLength());
                doc.insertString(0, getText(), null);
            } catch (BadLocationException e) {
                Logger.getLogger(SearchCompletionItem.class.getName()).log(Level.FINE, null, e);
            }
        }
    });
}
 

import org.openide.text.NbDocument; //导入依赖的package包/类
public static HighlightImpl parse(StyledDocument doc, String line) throws ParseException, BadLocationException {
    MessageFormat f = new MessageFormat("[{0}], {1,number,integer}:{2,number,integer}-{3,number,integer}:{4,number,integer}");
    Object[] args = f.parse(line);
    
    String attributesString = (String) args[0];
    int    lineStart  = ((Long) args[1]).intValue();
    int    columnStart  = ((Long) args[2]).intValue();
    int    lineEnd  = ((Long) args[3]).intValue();
    int    columnEnd  = ((Long) args[4]).intValue();
    
    String[] attrElements = attributesString.split(",");
    List<ColoringAttributes> attributes = new ArrayList<ColoringAttributes>();
    
    for (String a : attrElements) {
        a = a.trim();
        
        attributes.add(ColoringAttributes.valueOf(a));
    }
    
    if (attributes.contains(null))
        throw new NullPointerException();
    
    int offsetStart = NbDocument.findLineOffset(doc, lineStart) + columnStart;
    int offsetEnd = NbDocument.findLineOffset(doc, lineEnd) + columnEnd;
    
    return new HighlightImpl(doc, offsetStart, offsetEnd, attributes);
}
 

import org.openide.text.NbDocument; //导入依赖的package包/类
private static Position getPosition(final StyledDocument doc, final int offset) {
    class Impl implements Runnable {
        private Position pos;
        public void run() {
            if (offset < 0 || offset >= doc.getLength())
                return ;

            try {
                pos = doc.createPosition(offset - NbDocument.findLineColumn(doc, offset));
            } catch (BadLocationException ex) {
                //should not happen?
                Logger.getLogger(ComputeAnnotations.class.getName()).log(Level.FINE, null, ex);
            }
        }
    }

    Impl i = new Impl();

    doc.render(i);

    return i.pos;
}
 

import org.openide.text.NbDocument; //导入依赖的package包/类
public synchronized @Override void close() throws IOException {
    try {
        NbDocument.runAtomic(this.doc,
            new Runnable () {
                @Override
                public void run () {
                    try {
                        doc.remove(0,doc.getLength());
                        doc.insertString(0,new String(
                            data,
                            0,
                            pos,
                            FileEncodingQuery.getEncoding(getHandle().resolveFileObject(false))),
                        null);
                    } catch (BadLocationException e) {
                        if (LOG.isLoggable(Level.SEVERE))
                            LOG.log(Level.SEVERE, e.getMessage(), e);
                    }
                }
            });
    } finally {
        resetCaches();
    }
}
 

import org.openide.text.NbDocument; //导入依赖的package包/类
/**
 * Locates AnnotateLine associated with given line. The
 * line is translated to Element that is used as map lookup key.
 * The map is initially filled up with Elements sampled on
 * annotate() method.
 *
 * <p>Key trick is that Element's identity is maintained
 * until line removal (and is restored on undo).
 *
 * @param line
 * @return found AnnotateLine or <code>null</code>
 */
private VcsAnnotation getAnnotateLine(int line) {
    StyledDocument sd = (StyledDocument) doc;
    int lineOffset = NbDocument.findLineOffset(sd, line);
    Element element = sd.getParagraphElement(lineOffset);
    VcsAnnotation al = elementAnnotations.get(element);

    if (al != null) {
        int startOffset = element.getStartOffset();
        int endOffset = element.getEndOffset();
        try {
            int len = endOffset - startOffset;
            String text = doc.getText(startOffset, len -1);
            String content = al.getDocumentText();
            if (text.equals(content)) {
                return al;
            }
        } catch (BadLocationException e) {
            ErrorManager err = ErrorManager.getDefault();
            err.annotate(e, "CVS.AB: can not locate line annotation."); // NOI18N
            err.notify(ErrorManager.INFORMATIONAL, e);
        }
    }

    return null;
}
 

import org.openide.text.NbDocument; //导入依赖的package包/类
@Override
public void defaultAction(final JTextComponent component) {
    Completion.get().hideCompletion();
    Completion.get().hideDocumentation();
    NbDocument.runAtomic((StyledDocument) component.getDocument(), new Runnable() {
        @Override
        public void run() {
            Document doc = component.getDocument();
            
            try {
                doc.remove(substituteOffset, component.getCaretPosition() - substituteOffset);
                doc.insertString(substituteOffset, getText(), null);
            } catch (BadLocationException e) {
                Logger.getLogger(FXMLCompletionItem.class.getName()).log(Level.FINE, null, e);
            }
        }
    });
}
 

import org.openide.text.NbDocument; //导入依赖的package包/类
/** Add the line offset into the jump history */
private void addPositionToJumpList(String url, Line l, int column) {
    DataObject dataObject = getDataObject (url);
    if (dataObject != null) {
        EditorCookie ec = dataObject.getLookup().lookup(EditorCookie.class);
        if (ec != null) {
            try {
                StyledDocument doc = ec.openDocument();
                JEditorPane[] eps = ec.getOpenedPanes();
                if (eps != null && eps.length > 0) {
                    JumpList.addEntry(eps[0], NbDocument.findLineOffset(doc, l.getLineNumber()) + column);
                }
            } catch (java.io.IOException ioex) {
                ErrorManager.getDefault().notify(ioex);
            }
        }
    }
}