javax.swing.JTextArea.getCaretPosition()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
字(7.2k)|赞(0)|评价(0)|浏览(286)

本文整理了Java中javax.swing.JTextArea.getCaretPosition()方法的一些代码示例，展示了JTextArea.getCaretPosition()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。JTextArea.getCaretPosition()方法的具体详情如下：
包路径：javax.swing.JTextArea
类名称：JTextArea
方法名：getCaretPosition

JTextArea.getCaretPosition介绍

暂无

代码示例

代码示例来源：origin: net.sf.meka/meka

/**
 * Returns the current caret position.
 *
 * @return        the position (0-based)
 */
public int getCaretPosition() {
  return m_TextCode.getCaretPosition();
}

代码示例来源：origin: Waikato/meka

/**
 * Returns the current caret position.
 *
 * @return        the position (0-based)
 */
public int getCaretPosition() {
  return m_TextCode.getCaretPosition();
}

代码示例来源：origin: senbox-org/snap-desktop

private void selectIndex(int index) {
    final int position = textArea.getCaretPosition();
    list.setSelectedIndex(index);
    SwingUtilities.invokeLater(() -> textArea.setCaretPosition(position));
  }
}

代码示例来源：origin: jaltekruse/OpenNotebook

@Override
public void keyReleased(KeyEvent arg0) {
  if (arg0.getKeyCode() == KeyEvent.VK_ENTER && enterJustPressed)
  {// had issue with hitting enter to confirm dialog, dialog disappeared but enter key release event
    // was still received here if an object was selected, hence the boolean set in the keypressed
    // method and checked here
    String s = textArea.getText();
    int caretPos = textArea.getCaretPosition() - 1;
    s = s.substring(0, textArea.getCaretPosition() - 1) + s.substring(textArea.getCaretPosition());
    textArea.setText(s);
    textArea.setCaretPosition(caretPos);
    enterJustPressed = false;
  }
}

代码示例来源：origin: apache/axis2-java

private void setModule(String module){
    int position = desArea.getCaretPosition();
    String str = "      <module ref=\"" + module + "\" />\n";
    desArea .insert(str, position + 1);
  }
}

代码示例来源：origin: net.java.openjdk.cacio/cacio-shared

@Override
public int getCaretPosition() {
  return getTextArea().getCaretPosition();
}

代码示例来源：origin: com.darwinsys/darwinsys-api

public void actionPerformed(ActionEvent e) {
    ta.insert(new Date().toString(), ta.getCaretPosition());
  }
});

代码示例来源：origin: IanDarwin/darwinsys-api

public void actionPerformed(ActionEvent e) {
    ta.insert(new Date().toString(), ta.getCaretPosition());
  }
});

代码示例来源：origin: de.mhus.lib/mhu-lib-core

static public String getSelectedPart(JTextArea text) {
  String s = text.getSelectedText();
  if (s == null) {
    s = text.getText();
    int start = s.lastIndexOf("\n\n", text.getCaretPosition());
    if (start < 0)
      start = 0;
    else
      start += 2;
    int end = s.indexOf("\n\n", text.getCaretPosition());
    if (end < 0)
      end = s.length();
    s = s.substring(start, end);
    if (s == null)
      s = text.getText();
  }
  return s;
}

代码示例来源：origin: stackoverflow.com

JFrame frame = new JFrame();
frame.setLayout(new BorderLayout());
final JTextArea jta = new JTextArea("Hello world\nHello world\nHello world");
JButton btn = new JButton("Add");
btn.addActionListener(new ActionListener() {
  @Override
  public void actionPerformed(ActionEvent e) {
    int pos = jta.getCaretPosition(); //get the cursor position
    jta.insert("Some more", pos); //insert your text
  }            
});
frame.add(jta, BorderLayout.CENTER);
frame.add(btn, BorderLayout.SOUTH);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        
frame.pack();
frame.setVisible(true);

代码示例来源：origin: JGillam/burp-co2

private void showPrompt() {
  if (cwd.equals(".")) {
    txtConsole.append("laudanum> ");
  } else {
    txtConsole.append("laudanum[" + cwd + "]> ");
  }
  txtConsole.setCaretPosition(txtConsole.getText().length());
  commandStart = txtConsole.getCaretPosition();
  if (!txtConsole.hasFocus()) {
    txtConsole.grabFocus();
  }
}

代码示例来源：origin: com.github.fracpete/jshell-scripting

/**
 * Processes the incoming line.
 *
 * @param line    the line to process
 * @param stdout    whether stdout or stderr
 */
public void processOutput(String line, boolean stdout) {
 boolean	moveToEnd;
 moveToEnd = (m_TextOutput.getDocument().getLength() == m_TextOutput.getCaretPosition());
 m_TextOutput.append((stdout ? "[OUT] " : "[ERR] ") + line + "\n");
 if (moveToEnd)
  m_TextOutput.setCaretPosition(m_TextOutput.getDocument().getLength());
}

代码示例来源：origin: apache/axis2-java

private void setParameter(ParameterObj obj){
  int position = desArea.getCaretPosition();
  System.out.println(desArea.getLineCount());
  System.out.println(desArea.getCaretPosition());
  String str = "      <parameter name=\"" + obj.getName() + "\" locked=\"false\">"
            + obj.getValue() +
            "</parameter>\n";
  desArea.insert(str, position + 1);
}
private void setModule(String module){

代码示例来源：origin: pvto/konte-art

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
  int ind = findNext(target.getCaretPosition(), false, findF.getText());
  if (ind >= 0)
  {
    target.setCaretPosition(ind);
    target.setSelectionStart(ind);
    target.setSelectionEnd(end == ind ? ind + findF.getText().length()+1 : end);
  }
  else
  {
    target.setCaretPosition(0);
  }
}//GEN-LAST:event_jButton1ActionPerformed

代码示例来源：origin: pvto/konte-art

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
  int ind = findNext(target.getCaretPosition(), true, findF.getText());
  if (ind >= 0)
  {
    target.setCaretPosition(ind);
    target.setSelectionStart(ind);
    target.setSelectionEnd(end);
  }
  else
  {
    target.setCaretPosition(0);
  }
}//GEN-LAST:event_jButton2ActionPerformed

代码示例来源：origin: stackoverflow.com

public Point getCaretPixelPosition(JTextArea a) {
  try {
    int cpos = a.getCaretPosition();
    Font font = a.getStyledDocument().getFont(a.getStyledDocument().getLogicalStyle(cpos));
    FontMetrics metrics = getFontMetrics(font);

    int lineNum = a.getLineOfOffset(cpos);
    int y = lineNum * metrics.getHeight();
    int lineStart = a.getLineStartOffset(lineNum);
    int x = metrics.stringWidth(a.getText().substring(lineStart, cpos));

          return new Point(x,y);

  } catch(BadLocationException e) {}
  return null;
}

代码示例来源：origin: Vhati/Slipstream-Mod-Manager

private void updateCaretStatus() {
  JTextArea currentArea = getCurrentArea();
  if ( currentArea == null ) return;
  try {
    int offset = currentArea.getCaretPosition();
    int line = currentArea.getLineOfOffset( offset );
    int lineStart = currentArea.getLineStartOffset( line );
    int col = offset - lineStart;
    int lineCount = currentArea.getLineCount();
    statusLbl.setText( String.format( "Line: %4d/%4d Col: %3d", line+1, lineCount, col+1 ) );
  }
  catch ( BadLocationException e ) {
    statusLbl.setText( String.format( "Line:  ???/ ??? Col: ???" ) );
  }
}

代码示例来源：origin: raydac/netbeans-mmd-plugin

@Override
public void keyTyped(@Nonnull final KeyEvent e) {
 if (lockIfNotDisposed()) {
  try {
   if (config.isKeyEvent(MindMapPanelConfig.KEY_TOPIC_TEXT_NEXT_LINE, e)) {
    e.consume();
    textEditor.insert("\n", textEditor.getCaretPosition()); //NOI18N
   } else if (e.getKeyChar() == KeyEvent.VK_ENTER && (e.getModifiers() & ALL_SUPPORTED_MODIFIERS) == 0) {
    e.consume();
    endEdit(true);
   }
  } finally {
   unlock();
  }
 }
}

代码示例来源：origin: stackoverflow.com

JTextArea txt = ...;
int caretOffset = txt.getCaretPosition();
int lineNumber = txt.getLineOfOffset(caretOffset);
int startOffset = txt.getLineStartOffset(lineNumber);
int endOffset = txt.getLineEndOffset(lineNumber);

txt.replaceRange("Replaced Text", startOffset, endOffset);

代码示例来源：origin: JGillam/burp-co2

@Override
public void keyReleased(KeyEvent e) {
  if (e.getKeyCode() == KeyEvent.VK_ENTER) {
    int currentPosition = txtConsole.getCaretPosition();
    try {
      String command = txtConsole.getText(commandStart, (currentPosition - commandStart - 1));
      runCommand(command, false);
    } catch (BadLocationException e1) {
      callbacks.printError(e1.toString());
    } catch (MalformedURLException e1) {
      callbacks.printError(e1.toString());
    } catch (NumberFormatException e1) {
      callbacks.printError(e1.toString());
    }
  } else {
    super.keyReleased(e);
  }
}

内容来源于网络，如有侵权，请联系作者删除！

JTextArea

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多

    JTextArea类方法

    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com