Java Position类代码示例

import javax.swing.text.Position; //导入依赖的package包/类
@Override
 public PositionBounds getPosition() {
    try {
        DataObject dobj = DataObject.find(getParentFile());
        if (dobj != null) {
            EditorCookie.Observable obs = (EditorCookie.Observable)dobj.getLookup().lookup(EditorCookie.Observable.class);
            if (obs != null && obs instanceof CloneableEditorSupport) {
                CloneableEditorSupport supp = (CloneableEditorSupport)obs;

            PositionBounds bounds = new PositionBounds(
                    supp.createPositionRef(loc[0], Position.Bias.Forward),
                    supp.createPositionRef(Math.max(loc[0], loc[1]), Position.Bias.Forward)
                    );

            return bounds;
        }
        }
    } catch (DataObjectNotFoundException ex) {
        LOG.log(Level.INFO, "Can't resolve", ex);//NOI18N
    }
    return null;
}
 

import javax.swing.text.Position; //导入依赖的package包/类
public void testAddCompleteMatchOverlap() {
    PositionsBag hs = new PositionsBag(doc, true);
    SimpleAttributeSet attribsA = new SimpleAttributeSet();
    SimpleAttributeSet attribsB = new SimpleAttributeSet();
    
    attribsA.addAttribute("set-A", "attribsA");
    attribsB.addAttribute("set-B", "attribsB");
    
    hs.addHighlight(pos(10), pos(20), attribsA);
    hs.addHighlight(pos(10), pos(20), attribsB);
    GapList<Position> marks = hs.getMarks();
    GapList<AttributeSet> attributes = hs.getAttributes();
    
    assertEquals("Wrong number of highlights", 2, marks.size());
    assertEquals("1. highlight - wrong start offset", 10, marks.get(0).getOffset());
    assertEquals("1. highlight - wrong end offset", 20, marks.get(1).getOffset());
    assertAttribs("1. highlight - wrong attribs", attributes.get(0), "set-A", "set-B");
    assertNull("1. highlight - wrong end", attributes.get(1));
}
 

import javax.swing.text.Position; //导入依赖的package包/类
private Pair<FixData, String> buildUpFixDataForLine(Position line) {
    List<ErrorDescription> errorDescriptions = getErrorsForLine(line, true);
    if (errorDescriptions.isEmpty()) {
        return null;
    }

    List<ErrorDescription> trueErrors = filter(errorDescriptions, true);
    List<ErrorDescription> others = filter(errorDescriptions, false);

    //build up the description of the annotation:
    StringBuffer description = new StringBuffer();

    concatDescription(trueErrors, description);

    if (!trueErrors.isEmpty() && !others.isEmpty()) {
        description.append("\n\n"); //NOI18N
    }

    concatDescription(others, description);

    return Pair.of(new FixData(computeFixes(trueErrors), computeFixes(others)), description.toString());
}
 

import javax.swing.text.Position; //导入依赖的package包/类
public void testAddRightOverlap() {
    PositionsBag hs = new PositionsBag(doc);
    SimpleAttributeSet attribsA = new SimpleAttributeSet();
    SimpleAttributeSet attribsB = new SimpleAttributeSet();
    
    attribsA.addAttribute("set-name", "attribsA");
    attribsB.addAttribute("set-name", "attribsB");
    
    hs.addHighlight(pos(10), pos(20), attribsA);
    hs.addHighlight(pos(15), pos(25), attribsB);
    GapList<Position> marks = hs.getMarks();
    GapList<AttributeSet> atttributes = hs.getAttributes();
    
    assertEquals("Wrong number of highlights", 3, marks.size());
    assertEquals("1. highlight - wrong start offset", 10, marks.get(0).getOffset());
    assertEquals("1. highlight - wrong end offset", 15, marks.get(1).getOffset());
    assertEquals("1. highlight - wrong attribs", "attribsA", atttributes.get(0).getAttribute("set-name"));
    
    assertEquals("2. highlight - wrong start offset", 15, marks.get(1).getOffset());
    assertEquals("2. highlight - wrong end offset", 25, marks.get(2).getOffset());
    assertEquals("2. highlight - wrong attribs", "attribsB", atttributes.get(1).getAttribute("set-name"));
    assertNull(  "2. highlight - wrong end", atttributes.get(2));
}
 

import javax.swing.text.Position; //导入依赖的package包/类
private void fireMatchesHighlighted(Position[] origin, Position[] matches, BracesMatcher.ContextLocator locator) {
    MatchListener[] ll;
    synchronized (LOCK) {
        if (matchListeners.isEmpty()) {
            return;
        }
        ll = (MatchListener[]) matchListeners.toArray(new MatchListener[matchListeners.size()]);
    }
    if (ll.length == 0) {
        return;
    }
    MatchEvent evt = new MatchEvent(component, locator, this);
    evt.setHighlights(origin, matches);
    for (int i = 0; i < ll.length; i++) {
        MatchListener matchListener = ll[i];
        matchListener.matchHighlighted(evt);
    }
}
 

import javax.swing.text.Position; //导入依赖的package包/类
public void testMarkSwapMultiBB() throws Exception {
    RandomTestContainer container = createContainer();
    RandomTestContainer.Context context = container.context();

    DocumentContentTesting.insert(context, 0, "abcdefghijkl");
    Position pos2 = DocumentContentTesting.createPosition(context, 2, true);
    Position pos3 = DocumentContentTesting.createPosition(context, 3, true);
    Position pos5 = DocumentContentTesting.createPosition(context, 5, true);
    container.runChecks(context);
    DocumentContentTesting.remove(context, 2, 4);
    DocumentContentTesting.insert(context, 2, "xyzw");
    Position pos22 = DocumentContentTesting.createPosition(context, 2, true);
    Position pos23 = DocumentContentTesting.createPosition(context, 3, true);
    Position pos24 = DocumentContentTesting.createPosition(context, 4, true);
    Position pos25 = DocumentContentTesting.createPosition(context, 5, true);
    assertNotSame(pos3, pos2);
    container.runChecks(context);
    DocumentContentTesting.undo(context, 1); // Undo Ins(2, "x") tj. Rem(2,1) => becomes: pos3=2 2
    DocumentContentTesting.undo(context, 1); // Undo Rem(2, 1) tj. Ins(2,"c") => becomes: pos3=3 2
    container.runChecks(context);
}
 

import javax.swing.text.Position; //导入依赖的package包/类
/** Get the next position of the position given by parameters.
 * It can be either just offset increasing but it can be movement
 * to the next token for the token boundary.
 * @return next token-position or null for the EOT position
 */
public FormatTokenPosition getNextPosition(TokenItem token, int offset,
Position.Bias bias) {
    if (token == null) { // end of chain
        return null;

    } else { // regular token
        offset++;

        if (offset >= token.getImage().length()) {
            token = token.getNext();
            offset = 0;
        }

        return getPosition(token, offset, bias);
    }
}
 

import javax.swing.text.Position; //导入依赖的package包/类
@Override
public void insert(MutableContext context) throws BadLocationException {
    int offset = context.getBreakInsertOffset();
    BaseDocument doc = (BaseDocument) context.getDocument();
    if (offset > 0 && offset < doc.getLength()) { //check corners
        String text = doc.getText(offset - 1, 2); //get char before and after
        if (TWO_CURLY_BRACES_IMAGE.equals(text)) { //NOI18N
            //context.setText("\n\n", 1, 1, 0, 2);
            //reformat workaround -- the preferred 
            //won't work as the reformatter will not reformat the line with the closing tag
            int from = Utilities.getRowStart(doc, offset);
            int to = Utilities.getRowEnd(doc, offset);
            reformat = new Position[]{doc.createPosition(from), doc.createPosition(to)};
            context.setText("\n\n", 1, 1);
        }
    }
}
 

import javax.swing.text.Position; //导入依赖的package包/类
/**
     * Notification from invalidator thread, the grammar need to be reloaded.
     */
    public synchronized void invalidateGrammar() {
        
        // make current loader a zombie
        if (state == VALID) {
            String msg = NbBundle.getMessage(GrammarManager.class, "MSG_loading_cancel");
            StatusDisplayer.getDefault().setStatusText(msg);
        }
        
        doc.removeDocumentListener(this);
        
        //remove FileChangeListeners from the external DTD files
        for(FileObject fo : externalDTDs) {
//            System.out.println("[GrammarManager] removed FileObjectListener from " + fo.getPath());
            fo.removeFileChangeListener(this);
        }
        externalDTDs.clear();
        
        guarded = new Position[0];
        state = INVALID;
    }
 

import javax.swing.text.Position; //导入依赖的package包/类
static Rectangle2D modelToView(JTextComponent tc, int pos, Position.Bias bias) throws BadLocationException {
Document doc = tc.getDocument();
if (doc instanceof AbstractDocument) {
    ((AbstractDocument)doc).readLock();
}
try {
    Rectangle alloc = getVisibleEditorRect(tc);
    if (alloc != null) {
               View rootView = tc.getUI().getRootView(tc);
	rootView.setSize(alloc.width, alloc.height);
	Shape s = rootView.modelToView(pos, alloc, bias);
	if (s != null) {
	  return s.getBounds2D();
	}
    }
} finally {
    if (doc instanceof AbstractDocument) {
	((AbstractDocument)doc).readUnlock();
    }
}
return null;
   }
 

import javax.swing.text.Position; //导入依赖的package包/类
@Override
public Shape modelToViewChecked(int offset, Shape alloc, Position.Bias bias) {
    int startOffset = getStartOffset();
    Rectangle2D.Double mutableBounds = ViewUtils.shape2Bounds(alloc);
    int charIndex = offset - startOffset;
    if (charIndex == 1) {
        mutableBounds.x += firstTabWidth;
    } else if (charIndex > 1) {
        int extraTabCount = getLength() - 1;
        if (extraTabCount > 0) {
            mutableBounds.x += firstTabWidth + (charIndex - 1) * ((width - firstTabWidth) / extraTabCount);
        }
    }
    mutableBounds.width = 1;
    return mutableBounds;
}
 

import javax.swing.text.Position; //导入依赖的package包/类
public void testRemoveAligned2Clip() {
    PositionsBag hs = new PositionsBag(doc);
    SimpleAttributeSet attribsA = new SimpleAttributeSet();
    
    attribsA.addAttribute("set-name", "attribsA");
    
    hs.addHighlight(pos(10), pos(40), attribsA);
    hs.removeHighlights(pos(10), pos(20), true);
    GapList<Position> marks = hs.getMarks();
    GapList<AttributeSet> atttributes = hs.getAttributes();
    
    assertEquals("Wrong number of highlights", 2, marks.size());
    assertEquals("1. highlight - wrong start offset", 20, marks.get(0).getOffset());
    assertEquals("1. highlight - wrong end offset", 40, marks.get(1).getOffset());
    assertEquals("1. highlight - wrong attribs", "attribsA", atttributes.get(0).getAttribute("set-name"));
    assertNull("  1. highlight - wrong end", atttributes.get(1));
    
    hs.removeHighlights(pos(30), pos(40), true);
    
    assertEquals("Wrong number of highlights", 2, marks.size());
    assertEquals("1. highlight - wrong start offset", 20, marks.get(0).getOffset());
    assertEquals("1. highlight - wrong end offset", 30, marks.get(1).getOffset());
    assertEquals("1. highlight - wrong attribs", "attribsA", atttributes.get(0).getAttribute("set-name"));
    assertNull("  1. highlight - wrong end", atttributes.get(1));
}
 

import javax.swing.text.Position; //导入依赖的package包/类
static List<Position.Bias> addBias(List<Position.Bias> biases, int offsetAndBias, int index) {
    if ((offsetAndBias & BACKWARD_BIAS_BIT) != 0) {
        if (biases == null) {
            biases = new ArrayList<>(index + 1);
            while (--index >= 0) {
                biases.add(Position.Bias.Forward);
            }
        }
        biases.add(Position.Bias.Backward);
    } else { // Forward bias
        if (biases != null) {
            biases.add(Position.Bias.Forward);
        }
    }
    return biases;
}
 

import javax.swing.text.Position; //导入依赖的package包/类
/**
 * Reformat a block of code.
 * <br/>
 * The document should not be locked prior entering of this method.
 * <br/>
 * The method should be called from AWT thread so that the given offsets are more stable.
 * 
 * @param doc document to work with
 * @param startOffset offset at which the formatting starts
 * @param endOffset offset at which the formatting ends
 * @return length of the reformatted code
 */
public static int reformat (final BaseDocument doc, final int startOffset, final int endOffset) throws BadLocationException {
    final Reformat formatter = Reformat.get(doc);
    formatter.lock();
    try {
        final Object[] result = new Object[1];
        doc.runAtomicAsUser(new Runnable() {
            public @Override void run() {
                try {
                    Position endPos = doc.createPosition(endOffset);
                    formatter.reformat(startOffset, endOffset);
                    result[0] = Math.max(endPos.getOffset() - startOffset, 0);
                } catch (BadLocationException ex) {
                    result[0] = ex;
                }
            }
        });
        if (result[0] instanceof BadLocationException) {
            throw (BadLocationException) result[0];
        } else {
            return (Integer) result[0];
        }
    } finally {
        formatter.unlock();
    }
}
 

import javax.swing.text.Position; //导入依赖的package包/类
public void testRemoveLeftOverlapClip() {
    PositionsBag hs = new PositionsBag(doc);
    SimpleAttributeSet attribsA = new SimpleAttributeSet();
    
    attribsA.addAttribute("set-name", "attribsA");
    
    hs.addHighlight(pos(10), pos(20), attribsA);
    hs.removeHighlights(pos(5), pos(15), true);
    GapList<Position> marks = hs.getMarks();
    GapList<AttributeSet> atttributes = hs.getAttributes();
    
    assertEquals("Wrong number of highlights", 2, marks.size());
    assertEquals("1. highlight - wrong start offset", 15, marks.get(0).getOffset());
    assertEquals("1. highlight - wrong end offset", 20, marks.get(1).getOffset());
    assertEquals("1. highlight - wrong attribs", "attribsA", atttributes.get(0).getAttribute("set-name"));
    assertNull("  1. highlight - wrong end", atttributes.get(1));
}