javax.swing.text.Element.getElement()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.getElement()方法的一些代码示例，展示了Element.getElement()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.getElement()方法的具体详情如下：
包路径：javax.swing.text.Element
类名称：Element
方法名：getElement

Element.getElement介绍

暂无

代码示例

代码示例来源：origin: SonarSource/sonarqube

  1. protected String getTextLineNumber(int rowStartOffset) {
  2.  Element root = component.getDocument().getDefaultRootElement();
  3.  int index = root.getElementIndex(rowStartOffset);
  4.  Element line = root.getElement(index);
  5.  if (line.getStartOffset() == rowStartOffset)
  6.   return String.valueOf(index + 1);
  7.  else
  8.   return "";
  9. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. private static Element getLineElem(Document d, int offs) {
  2.   Element map = d.getDefaultRootElement();
  3.   int index = map.getElementIndex(offs);
  4.   Element elem = map.getElement(index);
  5.   if ((offs>=elem.getStartOffset()) && (offs<elem.getEndOffset())) {
  6.     return elem;
  7.   }
  8.   return null;
  9. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. private boolean getDoAdd(Document doc, Element map, int startLine,
  2.           int endLine, String[] startEnd)
  3.             throws BadLocationException {
  4.   boolean doAdd = false;
  5.   for (int i=startLine; i<=endLine; i++) {
  6.     Element elem = map.getElement(i);
  7.     int start = elem.getStartOffset();
  8.     String t = doc.getText(start, elem.getEndOffset()-start-1);
  9.     if (!t.startsWith(startEnd[0]) ||
  10.         (startEnd[1]!=null && !t.endsWith(startEnd[1]))) {
  11.       doAdd = true;
  12.       break;
  13.     }
  14.   }
  15.   return doAdd;
  16. }

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. @Override
  2.   public int yForLine(Rectangle alloc, int line) throws BadLocationException {
  3.     return yForLineContaining(alloc,
  4.         getElement().getElement(line).getStartOffset());
  5. //return alloc.y + getOffset(Y_AXIS, line);
  6.   }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. @Override
  2. protected int getWordEnd(RTextArea textArea, int offs)
  3.     throws BadLocationException {
  4.   RSyntaxDocument doc = (RSyntaxDocument)textArea.getDocument();
  5.   Element root = doc.getDefaultRootElement();
  6.   int line = root.getElementIndex(offs);
  7.   Element elem = root.getElement(line);
  8.   int end = elem.getEndOffset() - 1;
  9.   int wordEnd = offs;
  10.   while (wordEnd <= end) {
  11.     if (!isIdentifierChar(doc.charAt(wordEnd))) {
  12.       break;
  13.     }
  14.     wordEnd++;
  15.   }
  16.   return wordEnd;
  17. }

代码示例来源：origin: SKCraft/Launcher

  1. private void removeFromStart(Document document, Element root, int excess) {
  2.   Element line = root.getElement(excess - 1);
  3.   int end = line.getEndOffset();
  4.   try {
  5.     document.remove(0, end);
  6.   } catch (BadLocationException ble) {
  7.     System.out.println(ble);
  8.   }
  9. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. /**
  2.  * Returns the leading whitespace of a specific line in a document.
  3.  *
  4.  * @param doc The document.
  5.  * @param offs The offset whose line to get the leading whitespace for.
  6.  * @return The leading whitespace.
  7.  * @throws BadLocationException If <code>offs</code> is not a valid offset
  8.  *         in the document.
  9.  * @see #getLeadingWhitespace(String)
  10.  */
  11. public static String getLeadingWhitespace(Document doc, int offs)
  12.                 throws BadLocationException {
  13.   Element root = doc.getDefaultRootElement();
  14.   int line = root.getElementIndex(offs);
  15.   Element elem = root.getElement(line);
  16.   int startOffs = elem.getStartOffset();
  17.   int endOffs = elem.getEndOffset() - 1;
  18.   String text = doc.getText(startOffs, endOffs-startOffs);
  19.   return getLeadingWhitespace(text);
  20. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. /**
  2.  * Makes our private <code>Segment s</code> point to the text in our
  3.  * document referenced by the specified element.  Note that
  4.  * <code>line</code> MUST be a valid line number in the document.
  5.  *
  6.  * @param line The line number you want to get.
  7.  */
  8. private void setSharedSegment(int line) {
  9.   Element map = getDefaultRootElement();
  10.   //int numLines = map.getElementCount();
  11.   Element element = map.getElement(line);
  12.   if (element==null) {
  13.     throw new InternalError("Invalid line number: " + line);
  14.   }
  15.   int startOffset = element.getStartOffset();
  16.   //int endOffset = (line==numLines-1 ?
  17.   //			element.getEndOffset()-1 : element.getEndOffset() - 1);
  18.   int endOffset = element.getEndOffset()-1; // Why always "-1"?
  19.   try {
  20.     getText(startOffset, endOffset-startOffset, s);
  21.   } catch (BadLocationException ble) {
  22.     throw new InternalError("Text range not in document: " +
  23.               startOffset + "-" + endOffset);
  24.   }
  25. }

代码示例来源：origin: skylot/jadx

  1. @Nullable
  2. protected String getTextLineNumber(int rowStartOffset) {
  3.   Element root = codeArea.getDocument().getDefaultRootElement();
  4.   int index = root.getElementIndex(rowStartOffset);
  5.   Element line = root.getElement(index);
  6.   if (line.getStartOffset() != rowStartOffset) {
  7.     return null;
  8.   }
  9.   int lineNumber = index + 1;
  10.   if (useSourceLines) {
  11.     Integer sourceLine = codeArea.getSourceLine(lineNumber);
  12.     if (sourceLine == null) {
  13.       return null;
  14.     }
  15.     return String.valueOf(sourceLine);
  16.   }
  17.   return String.valueOf(lineNumber);
  18. }

代码示例来源：origin: org.gosu-lang.gosu/gosu-lab

  1. public int getLineOffset( int iLine )
  2. {
  3.  Element root = getDocument().getRootElements()[0];
  4.  iLine = root.getElementCount() < iLine ? root.getElementCount() : iLine;
  5.  Element elemAtLine = root.getElement( iLine );
  6.  return elemAtLine == null ? 0 : elemAtLine.getStartOffset();
  7. }

代码示例来源：origin: nz.ac.waikato.cms.weka.thirdparty/bounce

  1. private int getLineStart(int i) throws BadLocationException {
  2.   Element line = editor.getDocument().getDefaultRootElement().getElement(i);
  3.   Rectangle result = editor.modelToView(line.getStartOffset());
  4.   
  5.   if (result != null) {
  6.     return result.y;
  7.   }
  8.   
  9.   return -1;
  10. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. @Override
  2. public void actionPerformedImpl(ActionEvent e, RTextArea textArea) {
  3.   try {
  4.     // We use the elements instead of calling getLineOfOffset(),
  5.     // etc. to speed things up just a tad (i.e. micro-optimize).
  6.     Document document = textArea.getDocument();
  7.     int caretPosition = textArea.getCaretPosition();
  8.     Element map = document.getDefaultRootElement();
  9.     int currentLineNum = map.getElementIndex(caretPosition);
  10.     Element currentLineElement = map.getElement(currentLineNum);
  11.     // Always take -1 as we don't want to remove the newline.
  12.     int currentLineEnd = currentLineElement.getEndOffset()-1;
  13.     if (caretPosition<currentLineEnd) {
  14.       document.remove(caretPosition,
  15.               currentLineEnd-caretPosition);
  16.     }
  17.   } catch (BadLocationException ble) {
  18.     ble.printStackTrace();
  19.   }
  20. }

代码示例来源：origin: SKCraft/SKMCLauncher

  1. private void removeFromStart(Document document, Element root) {
  2.   Element line = root.getElement(0);
  3.   int end = line.getEndOffset();
  4.   try {
  5.     document.remove(0, end);
  6.   } catch (BadLocationException ble) {
  7.     System.out.println(ble);
  8.   }
  9. }

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.  * Returns whether a parser notice contains the specified offset.
  3.  *
  4.  * @param notice The notice.
  5.  * @param offs The offset.
  6.  * @return Whether the notice contains the offset.
  7.  */
  8. private boolean noticeContainsPosition(ParserNotice notice, int offs){
  9.   if (notice.getKnowsOffsetAndLength()) {
  10.     return notice.containsPosition(offs);
  11.   }
  12.   Document doc = textArea.getDocument();
  13.   Element root = doc.getDefaultRootElement();
  14.   int line = notice.getLine();
  15.   if (line<0) { // Defensive against possible bad user-defined notices.
  16.     return false;
  17.   }
  18.   Element elem = root.getElement(line);
  19.   return elem != null && offs>=elem.getStartOffset() && offs<elem.getEndOffset();
  20. }

代码示例来源：origin: groovy/groovy-core

  1. public int findTabLocation(int offset) {
  2.     // find first {
  3.     boolean cont = true;
  4.     while (offset > -1 && cont) {
  5.       Element el = doc.getCharacterElement(offset);
  6.       Object color =
  7.           el.getAttributes().getAttribute(StyleConstants.Foreground);
  8.       if (!COMMENT_COLOR.equals(color)) {
  9.         cont = segment.array[offset] != '{' &&
  10.             segment.array[offset] != '}';
  11.       }
  12.       offset -= cont ? 1 : 0;
  13.     }
  14.     if (offset > -1 && segment.array[offset] == '{') {
  15.       while (offset > -1 &&
  16.           !Character.isWhitespace(segment.array[offset--])) {
  17.       }
  18.     }
  19.     int index = offset < 0 || segment.array[offset] == '}' ? -4 : 0;
  20.     if (offset > -1) {
  21.       Element top = doc.getDefaultRootElement();
  22.       offset = top.getElement(top.getElementIndex(offset)).getStartOffset();
  23.       while (Character.isWhitespace(segment.array[offset++])) {
  24.         index++;
  25.       }
  26.     }
  27.     return index;
  28.   }
  29. }

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/org-netbeans-modules-editor-lib

  1. /** Return start offset of the line
  2. * @param lineIndex line index starting from 0
  3. * @return start position of the line or -1 if lineIndex was invalid
  4. */
  5. public static int getRowStartFromLineOffset(BaseDocument doc, int lineIndex) {
  6.   Element lineRoot = doc.getParagraphElement(0).getParentElement();
  7.   if (lineIndex < 0 || lineIndex >= lineRoot.getElementCount()) {
  8.     return -1; // invalid line number
  9.   } else {
  10.     return lineRoot.getElement(lineIndex).getStartOffset();
  11.   }
  12. }

代码示例来源：origin: nz.ac.waikato.cms.weka.thirdparty/bounce

  1. private int getLineStart(int i) throws BadLocationException {
  2.   Element line = editor.getDocument().getDefaultRootElement().getElement(i);
  3.   Rectangle result = editor.modelToView(line.getStartOffset());
  4.   if (result != null) {
  5.     return result.y;
  6.   }
  7.   return -1;
  8. }

代码示例来源：origin: bobbylight/RSyntaxTextArea

  1. @Override
  2. public void actionPerformedImpl(ActionEvent e, RTextArea textArea) {
  3.   int offs = textArea.getCaretPosition();
  4.   int endOffs = 0;
  5.   try {
  6.     if (textArea.getLineWrap()) {
  7.       // Must check per character, since one logical line may be
  8.       // many physical lines.
  9.       // FIXME:  Replace Utilities call with custom version to
  10.       // cut down on all of the modelToViews, as each call causes
  11.       // a getTokenList => expensive!
  12.       endOffs = Utilities.getRowEnd(textArea, offs);
  13.     }
  14.     else {
  15.       Element root = textArea.getDocument().getDefaultRootElement();
  16.       int line = root.getElementIndex(offs);
  17.       endOffs = root.getElement(line).getEndOffset() - 1;
  18.     }
  19.     if (select) {
  20.       textArea.moveCaretPosition(endOffs);
  21.     }
  22.     else {
  23.       textArea.setCaretPosition(endOffs);
  24.     }
  25.   } catch (Exception ex) {
  26.     UIManager.getLookAndFeel().provideErrorFeedback(textArea);
  27.   }
  28. }

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