Java StyledDocument.getParagraphElement方法代码示例

import javax.swing.text.StyledDocument; //导入方法依赖的package包/类
static int getRowFirstNonWhite(StyledDocument doc, int offset)
        throws BadLocationException {
    Element lineElement = doc.getParagraphElement(offset);
    int start = lineElement.getStartOffset();
    while (start + 1 < lineElement.getEndOffset()) {
        try {
            if (doc.getText(start, 1).charAt(0) != ' ') {
                break;
            }
        } catch (BadLocationException ex) {
            throw (BadLocationException) new BadLocationException(
                    "calling getText(" + start + ", " + (start + 1)
                    + ") on doc of length: " + doc.getLength(), start).initCause(ex);
        }
        start++;
    }
    return start;
}
 

import javax.swing.text.StyledDocument; //导入方法依赖的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 AnnotateLine getAnnotateLine(int line) {
    StyledDocument sd = (StyledDocument) doc;
    int lineOffset = NbDocument.findLineOffset(sd, line);
    Element element = sd.getParagraphElement(lineOffset);
    AnnotateLine 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.getContent();
            if (text.equals(content)) {
                return al;
            }
        } catch (BadLocationException e) {
            Mercurial.LOG.log(Level.INFO, "HG.AB: can not locate line annotation.");  // NOI18N
        }
    }

    return null;
}
 

import javax.swing.text.StyledDocument; //导入方法依赖的package包/类
/**
 * Gets index of first not space/tab element in line where caret is or caret
 * position if non found before its location
 *
 * @param doc edited document
 * @param caretOffset current caret position
 * @return Integer index of first space or offset passed in if none before
 * it
 * @throws BadLocationException
 */
static int getRowFirstNonWhite(StyledDocument doc, int caretOffset)
        throws BadLocationException {
    Element lineElement = doc.getParagraphElement(caretOffset);//line start&stop offsets

    int start = lineElement.getStartOffset();
    int failsafe = start;
    while (start + 1 < lineElement.getEndOffset()) {
        try {
            if (doc.getText(start, 1).charAt(0) != ' ') {
                break;
            }
        } catch (BadLocationException ex) {
            throw (BadLocationException) new BadLocationException(
                    "calling getText(" + start + ", " + (start + 1)
                    + ") on doc of length: " + doc.getLength(), start
            ).initCause(ex);
        }
        start++;
    }
    return start > caretOffset ? failsafe : start;
}
 

import javax.swing.text.StyledDocument; //导入方法依赖的package包/类
/** Implements superclass abstract method. */
protected void setHardCodedString(HardCodedString hcString, StyledDocument document) {

    getStringText().setText(hcString == null ? "" : hcString.getText()); // NOI18N
    
    int pos;

    String hardLine;
    
    if (hcString.getStartPosition() == null) {
        hardLine = ""; // NOI18N
    } else {
        pos = hcString.getStartPosition().getOffset();

        try {
            Element paragraph = document.getParagraphElement(pos);
            hardLine = document.getText(paragraph.getStartOffset(), paragraph.getEndOffset()-paragraph.getStartOffset()).trim();
        } catch (BadLocationException ble) {
            hardLine = ""; // NOI18N
        }
    }

    getFoundInText().setText(hardLine);

    if(hcString instanceof FormHardCodedString) {
        getComponentText().setText( ((FormHardCodedString)hcString).getValidProperty().getRADComponentName());
        getPropertyText().setText( ((FormHardCodedString)hcString).getNodeProperty().getName());
    } else {            
        remove(getComponentLabel());
        remove(getComponentText());
        remove(getPropertyLabel());
        remove(getPropertyText());
    }
    
}
 

import javax.swing.text.StyledDocument; //导入方法依赖的package包/类
/** Implements superclass abstract method. */
protected void setHardCodedString(HardCodedString hcString, StyledDocument document) {

    getStringText().setText(hcString == null ? ""               //NOI18N
                                             : hcString.getText());
    
    int pos;

    String hardLine;
    
    if (hcString.getStartPosition() == null) {
        hardLine = "";                                          //NOI18N
    } else {
        pos = hcString.getStartPosition().getOffset();

        try {
            Element paragraph = document.getParagraphElement(pos);
            hardLine = document.getText(paragraph.getStartOffset(),
                                        paragraph.getEndOffset() - paragraph.getStartOffset())
                               .trim();
        } catch (BadLocationException ble) {
            hardLine = ""; // NOI18N
        }
    }

    getFoundInText().setText(hardLine);
    
    remove(getComponentLabel());
    remove(getComponentText());
    remove(getPropertyLabel());
    remove(getPropertyText());
}