javax.swing.text.Element.getElementCount()方法的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中javax.swing.text.Element.getElementCount()方法的一些代码示例，展示了Element.getElementCount()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Element.getElementCount()方法的具体详情如下：
包路径：javax.swing.text.Element
类名称：Element
方法名：getElementCount

Element.getElementCount介绍

暂无

代码示例

代码示例来源：origin: skylot/jadx

  1. private void setPreferredWidth() {
  2.   Element root = codeArea.getDocument().getDefaultRootElement();
  3.   int lines = root.getElementCount();
  4.   int digits = Math.max(String.valueOf(lines).length(), 3);
  5.   if (lastDigits != digits) {
  6.     lastDigits = digits;
  7.     FontMetrics fontMetrics = getFontMetrics(getFont());
  8.     int width = fontMetrics.charWidth('0') * digits;
  9.     Insets insets = getInsets();
  10.     int preferredWidth = insets.left + insets.right + width;
  11.     Dimension d = getPreferredSize();
  12.     if (d != null) {
  13.       d.setSize(preferredWidth, NUM_HEIGHT);
  14.       setPreferredSize(d);
  15.       setSize(d);
  16.     }
  17.   }
  18. }

代码示例来源：origin: skylot/jadx

  1. int index = root.getElementIndex(rowStartOffset);
  2. Element line = root.getElement(index);
  3. for (int i = 0; i < line.getElementCount(); i++) {
  4.   Element child = line.getElement(i);
  5.   AttributeSet as = child.getAttributes();

代码示例来源：origin: SonarSource/sonarqube

  1. /**
  2.  *  Calculate the width needed to display the maximum line number
  3.  */
  4. private void setPreferredWidth() {
  5.  Element root = component.getDocument().getDefaultRootElement();
  6.  int lines = root.getElementCount();
  7.  int digits = Math.max(String.valueOf(lines).length(), minimumDisplayDigits);
  8.  // Update sizes when number of digits in the line number changes
  9.  if (lastDigits != digits) {
  10.   lastDigits = digits;
  11.   FontMetrics fontMetrics = getFontMetrics(getFont());
  12.   int width = fontMetrics.charWidth('0') * digits;
  13.   Insets insets = getInsets();
  14.   int preferredWidth = insets.left + insets.right + width;
  15.   Dimension d = getPreferredSize();
  16.   d.setSize(preferredWidth, HEIGHT);
  17.   setPreferredSize(d);
  18.   setSize(d);
  19.  }
  20. }

代码示例来源：origin: SonarSource/sonarqube

  1. Element line = root.getElement(index);
  2. for (int i = 0; i < line.getElementCount(); i++) {
  3.  Element child = line.getElement(i);
  4.  AttributeSet as = child.getAttributes();

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. private int getLineCount() {
  2.   return doc.getDefaultRootElement().getElementCount();
  3. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. private void doError(SAXParseException e, ParserNotice.Level level) {
  2.   int line = e.getLineNumber() - 1;
  3.   Element root = doc.getDefaultRootElement();
  4.   Element elem = root.getElement(line);
  5.   int offs = elem.getStartOffset();
  6.   int len = elem.getEndOffset() - offs;
  7.   if (line==root.getElementCount()-1) {
  8.     len++;
  9.   }
  10.   DefaultParserNotice pn = new DefaultParserNotice(XmlParser.this,
  11.                   e.getMessage(), line, offs, len);
  12.   pn.setLevel(level);
  13.   result.addNotice(pn);
  14. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. /**
  2.  * Deserializes a document.
  3.  *
  4.  * @param in The stream to read from.
  5.  * @throws ClassNotFoundException
  6.  * @throws IOException
  7.  */
  8. private void readObject(ObjectInputStream in)
  9.           throws ClassNotFoundException, IOException {
  10.   in.defaultReadObject();
  11.   // Install default TokenMakerFactory.  To support custom TokenMakers,
  12.   // both JVM's should install default TokenMakerFactories that support
  13.   // the language they want to use beforehand.
  14.   setTokenMakerFactory(null);
  15.   // Handle other transient stuff
  16.   this.s = new Segment();
  17.   int lineCount = getDefaultRootElement().getElementCount();
  18.   lastTokensOnLines = new DynamicIntArray(lineCount);
  19.   setSyntaxStyle(syntaxStyle); // Actually install (transient) TokenMaker
  20. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. /**
  2.  * Loads all of the children to initialize the view.
  3.  * This is called by the <code>setParent</code> method.
  4.  * Subclasses can re-implement this to initialize their
  5.  * child views in a different manner.  The default
  6.  * implementation creates a child view for each
  7.  * child element.
  8.  *
  9.  * @param f the view factory
  10.  */
  11. @Override
  12. protected void loadChildren(ViewFactory f) {
  13.   Element e = getElement();
  14.   int n = e.getElementCount();
  15.   if (n > 0) {
  16.     View[] added = new View[n];
  17.     for (int i = 0; i < n; i++) {
  18.       added[i] = new WrappedLine(e.getElement(i));
  19.     }
  20.     replace(0, 0, added);
  21.   }
  22. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. /**
  2.  * {@inheritDoc}
  3.  */
  4. @Override
  5. public ParseResult parse(RSyntaxDocument doc, String style) {
  6.   result.clearNotices();
  7.   Element root = doc.getDefaultRootElement();
  8.   result.setParsedLines(0, root.getElementCount()-1);
  9.   if (spf==null || doc.getLength()==0) {
  10.     return result;
  11.   }
  12.   try {
  13.     SAXParser sp = spf.newSAXParser();
  14.     Handler handler = new Handler(doc);
  15.     DocumentReader r = new DocumentReader(doc);
  16.     InputSource input = new InputSource(r);
  17.     sp.parse(input, handler);
  18.     r.close();
  19.   } catch (SAXParseException spe) {
  20.     // A fatal parse error - ignore; a ParserNotice was already created.
  21.   } catch (Exception e) {
  22.     //e.printStackTrace(); // Will print if DTD specified and can't be found
  23.     result.addNotice(new DefaultParserNotice(this,
  24.         "Error parsing XML: " + e.getMessage(), 0, -1, -1));
  25.   }
  26.   return result;
  27. }

代码示例来源：origin: ron190/jsql-injection

  1. /**
  2.  * Get position of the beginning of the line.
  3.  * @param line Index of the line
  4.  * @return Offset of line
  5.  * @throws BadLocationException
  6.  */
  7. public int getLineStartOffset(int line) throws BadLocationException {
  8.   Element map = this.getDocument().getDefaultRootElement();
  9.   if (line < 0) {
  10.     throw new BadLocationException("Negative line", -1);
  11.   } else if (line >= map.getElementCount()) {
  12.     throw new BadLocationException("No such line", this.getDocument().getLength() + 1);
  13.   } else {
  14.     Element lineElem = map.getElement(line);
  15.     return lineElem.getStartOffset();
  16.   }
  17. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. /**
  2.  * Iterate over the lines represented by the child elements
  3.  * of the element this view represents, looking for the line
  4.  * that is the longest.  The <em>longLine</em> variable is updated to
  5.  * represent the longest line contained.  The <em>font</em> variable
  6.  * is updated to indicate the font used to calculate the
  7.  * longest line.
  8.  */
  9. void calculateLongestLine() {
  10.   Component c = getContainer();
  11.   font = c.getFont();
  12.   metrics = c.getFontMetrics(font);
  13.   tabSize = getTabSize() * metrics.charWidth(' ');
  14.   Element lines = getElement();
  15.   int n = lines.getElementCount();
  16.   for (int i=0; i<n; i++) {
  17.     Element line = lines.getElement(i);
  18.     float w = getLineWidth(i);
  19.     if (w > longLineWidth) {
  20.       longLineWidth = w;
  21.       longLine = line;
  22.     }
  23.   }
  24. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. int visibleLineCount = getElement().getElementCount();
  2. if (host.isCodeFoldingEnabled()) {
  3.   visibleLineCount -= host.getFoldManager().getHiddenLineCount();

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. int lineCount = root.getElementCount();

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. /**
  2.  * Returns the set of expected paintable tokens from a document.
  3.  *
  4.  *  @param doc The document.
  5.  *  @return The list of tokens, in the order in which they appear.
  6.  */
  7. private static final List<Token> getTokens(RSyntaxDocument doc) {
  8.   Element root = doc.getDefaultRootElement();
  9.   int lineCount = root.getElementCount();
  10.   List<Token> list = new ArrayList<Token>();
  11.   for (int i=0; i<lineCount; i++) {
  12.     Token t = doc.getTokenListForLine(i);
  13.     while (t!=null && t.isPaintable()) {
  14.       list.add(new TokenImpl(t)); // Copy since Tokens are pooled
  15.       t = t.getNextToken();
  16.     }
  17.   }
  18.   return list;
  19. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. /**
  2.  * Updates internal state information; e.g. the "last tokens on lines"
  3.  * data.  After this, a changed update is fired to let listeners know that
  4.  * the document's structure has changed.<p>
  5.  *
  6.  * This is called internally whenever the syntax style changes.
  7.  */
  8. private void updateSyntaxHighlightingInformation() {
  9.   // Reinitialize the "last token on each line" array.  Note that since
  10.   // the actual text in the document isn't changing, the number of lines
  11.   // is the same.
  12.   Element map = getDefaultRootElement();
  13.   int numLines = map.getElementCount();
  14.   int lastTokenType = Token.NULL;
  15.   for (int i=0; i<numLines; i++) {
  16.     setSharedSegment(i);
  17.     lastTokenType = tokenMaker.getLastTokenTypeOnLine(s, lastTokenType);
  18.     lastTokensOnLines.set(i, lastTokenType);
  19.   }
  20.   // Clear our token cache to force re-painting
  21.   lastLine = -1;
  22.   cachedTokenList = null;
  23.   // Let everybody know that syntax styles have (probably) changed.
  24.   fireChangedUpdate(new DefaultDocumentEvent(
  25.           0, numLines-1, DocumentEvent.EventType.CHANGE));
  26. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. moveLineUp(textArea, startLine, moveCount);
  2. else if (moveAmt==1 && endLine < root.getElementCount()-1) {
  3.   moveLineDown(textArea, startLine, moveCount);

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. /**
  2.  * Highlights all instances of tokens identical to <code>t</code> in the
  3.  * specified document.
  4.  *
  5.  * @param doc The document.
  6.  * @param t The document whose relevant occurrences should be marked.
  7.  * @param h The highlighter to add the highlights to.
  8.  * @param p The painter for the highlights.
  9.  */
  10. public static final void markOccurrencesOfToken(RSyntaxDocument doc,
  11.     Token t, RSyntaxTextAreaHighlighter h, SmartHighlightPainter p) {
  12.   char[] lexeme = t.getLexeme().toCharArray();
  13.   int type = t.getType();
  14.   int lineCount = doc.getDefaultRootElement().getElementCount();
  15.   for (int i=0; i<lineCount; i++) {
  16.     Token temp = doc.getTokenListForLine(i);
  17.     while (temp!=null && temp.isPaintable()) {
  18.       if (temp.is(type, lexeme)) {
  19.         try {
  20.           int end = temp.getEndOffset();
  21.           h.addMarkedOccurrenceHighlight(temp.getOffset(),end,p);
  22.         } catch (BadLocationException ble) {
  23.           ble.printStackTrace(); // Never happens
  24.         }
  25.       }
  26.       temp = temp.getNextToken();
  27.     }
  28.   }
  29. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. @Override
  2. public void actionPerformedImpl(ActionEvent e, RTextArea textArea) {
  3.   if (!textArea.isEditable() || !textArea.isEnabled()) {
  4.     UIManager.getLookAndFeel().provideErrorFeedback(textArea);
  5.     return;
  6.   }
  7.   try {
  8.     Caret c = textArea.getCaret();
  9.     int caretPos = c.getDot();
  10.     Document doc = textArea.getDocument();
  11.     Element map = doc.getDefaultRootElement();
  12.     int lineCount = map.getElementCount();
  13.     int line = map.getElementIndex(caretPos);
  14.     if (line==lineCount-1) {
  15.       UIManager.getLookAndFeel().
  16.             provideErrorFeedback(textArea);
  17.       return;
  18.     }
  19.     Element lineElem = map.getElement(line);
  20.     caretPos = lineElem.getEndOffset() - 1;
  21.     c.setDot(caretPos);        // Gets rid of any selection.
  22.     doc.remove(caretPos, 1);	// Should be '\n'.
  23.   } catch (BadLocationException ble) {
  24.     /* Shouldn't ever happen. */
  25.     ble.printStackTrace();
  26.   }
  27.   textArea.requestFocusInWindow();
  28. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. RSyntaxDocument document = (RSyntaxDocument)getDocument();
  2.     Element map = document.getDefaultRootElement();
  3.     int lineCount = map.getElementCount();
  4. int line = map.getElementIndex(offset);
  5. if (!host.isCodeFoldingEnabled()) {

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. int line = notice.getLine();
  2. Element root = doc.getDefaultRootElement();
  3. if (line>=0 && line<root.getElementCount()) {
  4.   Element elem = root.getElement(line);
  5.   start = elem.getStartOffset();

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