本文整理了Java中javax.swing.JTextArea.getSelectionStart()
方法的一些代码示例,展示了JTextArea.getSelectionStart()
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.getSelectionStart()
方法的具体详情如下:
包路径:javax.swing.JTextArea
类名称:JTextArea
方法名:getSelectionStart
暂无
代码示例来源:origin: net.java.openjdk.cacio/cacio-shared
@Override
public int getSelectionStart() {
return getTextArea().getSelectionStart();
}
代码示例来源:origin: mucommander/mucommander
void findPrevious() {
doSearch(textArea.getSelectionStart() - 1, false);
}
代码示例来源:origin: stackoverflow.com
final JTextArea textArea = new TextClass();
...
textArea.addKeyListener(new KeyListener() {
@Override
public void keyTyped(final KeyEvent e) {
char key = e.getKeyChar();
switch (key) {
case '<':
System.out.print(" " + textArea.getSelectionStart());
}
}
@Override
public void keyPressed(final KeyEvent e) {
}
@Override
public void keyReleased(final KeyEvent e) {
}
});
代码示例来源:origin: orbisgis/orbisgis
/**
* Return true iff the selection is already block commented.
* @param scriptPanel Script panel
* @return True iff the selection is already block commented
*/
private static boolean alreadyBlockCommented(JTextArea scriptPanel) {
try {
return scriptPanel.getText(scriptPanel.getSelectionStart(), BLOCK_COMMENT_START.length()).equals(BLOCK_COMMENT_START)
&& scriptPanel.getText(scriptPanel.getSelectionEnd() - BLOCK_COMMENT_END.length(), BLOCK_COMMENT_END.length()).equals(BLOCK_COMMENT_END);
} catch (BadLocationException e) {
LOGGER.warn(I18N.tr("Assuming the selection is not already block commented."), e);
}
return false;
}
代码示例来源:origin: stackoverflow.com
int selStart = textArea.getSelectionStart();
代码示例来源:origin: GoldenGnu/jeveassets
private void fromClipboard() {
Toolkit tk = Toolkit.getDefaultToolkit();
Clipboard clipboard = tk.getSystemClipboard();
Transferable transferable = clipboard.getContents(this);
try {
String s = (String) transferable.getTransferData(DataFlavor.stringFlavor);
String text = jText.getText();
String before = text.substring(0, jText.getSelectionStart());
String after = text.substring(jText.getSelectionEnd(), text.length());
jText.setText(before + s + after);
int caretPosition = before.length() + s.length();
if (caretPosition <= jText.getText().length()) {
jText.setCaretPosition(before.length() + s.length());
}
} catch (UnsupportedFlavorException ex) {
} catch (IOException ex) {
}
}
代码示例来源:origin: IanDarwin/javasrc
/** Format the selection (like unix fmt) */
void format() {
// "The 50-line text formatter" in 15 lines.
int col = 0;
int start = tf.getSelectionStart();
int end = tf.getSelectionEnd();
final String selectedText = tf.getSelectedText();
if (selectedText == null) {
JOptionPane.showMessageDialog(this, "Please select text before formatting");
return;
}
StringTokenizer st = new StringTokenizer(selectedText);
StringBuilder s = new StringBuilder();
while (st.hasMoreTokens()) {
String sval = st.nextToken();
if (col+sval.length() > COLS-7) {
s.append("\n");
col = 0;
}
s.append(sval).append(' ');
col+=sval.length()+1;
}
tf.replaceRange(s.toString(), start, end);
}
代码示例来源:origin: stackoverflow.com
JTextArea textArea = new JTextArea("some text");
int start = textArea.getSelectionStart();
int end = textArea.getSelectionEnd();
String replace = textArea.getSelectedText().toUpperCase();
textArea.replaceRange(replace, start, end);
代码示例来源:origin: orbisgis/orbisgis
/**
* Block uncomment the selected text in the given script panel.
*
* @param scriptPanel Script panel
*/
private static void blockUncomment(JTextArea scriptPanel) {
// Recover the index of the start of the selection.
final int startOffset = scriptPanel.getSelectionStart();
final int endOffset = scriptPanel.getSelectionEnd();
// Delete the comment characters.
scriptPanel.replaceRange("", endOffset - BLOCK_COMMENT_END.length(), endOffset);
scriptPanel.replaceRange("", startOffset, startOffset + BLOCK_COMMENT_START.length());
// Select the uncommented selection.
scriptPanel.setSelectionStart(startOffset);
scriptPanel.setSelectionEnd(endOffset - BLOCK_COMMENT_START.length()
- BLOCK_COMMENT_END.length());
}
代码示例来源:origin: stackoverflow.com
@Override
public void caretUpdate(CaretEvent e) {
int length = ta.getSelectionEnd() - ta.getSelectionStart();
System.out.println(length);
代码示例来源:origin: orbisgis/orbisgis
/**
* Block comment the selected text in the given script panel.
*
* @param scriptPanel Script panel
*/
private static void blockComment(JTextArea scriptPanel) {
// Recover the index of the start of the selection.
final int startOffset = scriptPanel.getSelectionStart();
// Comment the selection.
final String commentedSelection = BLOCK_COMMENT_START
+ scriptPanel.getSelectedText() + BLOCK_COMMENT_END;
scriptPanel.replaceSelection(commentedSelection);
// Select the commented selection.
scriptPanel.setSelectionStart(startOffset);
scriptPanel.setSelectionEnd(startOffset + commentedSelection.length());
}
代码示例来源:origin: eu.mihosoft.vrl/vrl
@Override
public void actionPerformed(ActionEvent e) {
JTextArea editor = tRep.getEditor().getEditor();
Document document = editor.getDocument();
int selectionStart = editor.getSelectionStart();
int selectionEnd = editor.getSelectionEnd();
try {
int firstLineOffset = editor.getLineOfOffset(selectionStart);
int lastLineOffset = editor.getLineOfOffset(selectionEnd);
for (int l = firstLineOffset; l <= lastLineOffset; l++) {
int offset = editor.getLineStartOffset(l);
document.insertString(offset, "//", null);
}
} catch (BadLocationException ex) {
Logger.getLogger(GroovyCodeEditorComponent.class.getName()).
log(Level.SEVERE, null, ex);
}
}
}, comment, JComponent.WHEN_FOCUSED);
代码示例来源:origin: orbisgis/orbisgis
/**
* Uncomment the selected text in the given script panel.
*
* @param scriptPanel Script panel
*/
private static void uncommentSQL(JTextArea scriptPanel, String commentCharacter) {
final Element root = scriptPanel.getDocument().getDefaultRootElement();
final int numberOfLastLine = root.getElementIndex(scriptPanel.getSelectionEnd());
int currentLineNumber = root.getElementIndex(scriptPanel.getSelectionStart());
while (currentLineNumber <= numberOfLastLine) {
try {
int startOffset = root.getElement(currentLineNumber).getStartOffset();
if (scriptPanel.getText(startOffset, commentCharacter.length()).equals(commentCharacter)) {
scriptPanel.replaceRange("", startOffset, startOffset + commentCharacter.length());
}
} catch (BadLocationException e) {
LOGGER.warn(I18N.tr("Invalid length or offset when trying to uncomment code."), e);
}
currentLineNumber++;
}
}
}
代码示例来源:origin: UNIVALI-LITE/Portugol-Studio
private boolean importaStringArrastada(TransferHandler.TransferSupport support)
{
try
{
String stringArrastada = (String) support.getTransferable().getTransferData(DataFlavor.stringFlavor);
if (stringArrastada.equals(textArea.getSelectedText())) {
if (stringArrastada.isEmpty() || programa == null) {
return false;
}
int linha = textArea.getLineOfOffset(textArea.getSelectionStart()) + 1;
int coluna = textArea.getSelectionStart() - textArea.getLineStartOffset(linha - 1);
int tamanhoDoTexto = textArea.getSelectionEnd() - textArea.getSelectionStart();
ProcuradorDeDeclaracao procuradorDeDeclaracao = new ProcuradorDeDeclaracao(stringArrastada, linha, coluna, tamanhoDoTexto);
programa.getArvoreSintaticaAbstrata().aceitar(procuradorDeDeclaracao);
NoDeclaracao no = procuradorDeDeclaracao.getNoDeclaracao();
if (procuradorDeDeclaracao.encontrou() && !contemNo(no)) {
adicionaNo(no);
}
}
} catch (Exception e) {
return false;
}
return false;
}
代码示例来源:origin: orbisgis/orbisgis
/**
* Test whether the selected text consists of an unbroken range of
* commented lines.
*
* @param scriptPanel Script panel
* @return True iff the selected text consists of an unbroken range of
* commented lines
*/
private static boolean unbrokenRangeOfComments(JTextArea scriptPanel, String commentCharacter) {
final Element root = scriptPanel.getDocument().getDefaultRootElement();
final int numberOfLastLine = root.getElementIndex(scriptPanel.getSelectionEnd());
int currentLineNumber = root.getElementIndex(scriptPanel.getSelectionStart());
while (currentLineNumber <= numberOfLastLine) {
try {
int startOffset = root.getElement(currentLineNumber).getStartOffset();
if (!scriptPanel.getText(startOffset, commentCharacter.length()).equals(commentCharacter)) {
return false;
}
} catch (BadLocationException e) {
LOGGER.warn(I18N.tr("Problem when checking for an unbroken range of comments"), e);
}
currentLineNumber++;
}
return true;
}
代码示例来源:origin: eu.mihosoft.vrl/vrl
int caretPosition = editor.getCaretPosition();
Document document = editor.getDocument();
int selectionStart = editor.getSelectionStart();
int selectionEnd = editor.getSelectionEnd();
代码示例来源:origin: senbox-org/snap-desktop
int selPos1 = codeArea.getSelectionStart();
int selPos2 = codeArea.getSelectionEnd();
if (selPos1 >= 0 && selPos2 >= 0 && selPos1 > selPos2) {
代码示例来源:origin: com.google.code.findbugs/findbugs
protected void commentBoxClicked() {
if (commentWasChanged()) {
return;
}
setCanAddComments(false, true);
CommentInfo commentInfo = new CommentInfo().invoke();
boolean sameText = commentInfo.isSameText();
String txt = commentInfo.getTxt();
if (!sameText) {
txt = "";
}
if (txt == null || txt.trim().length() == 0) {
txt = "";
}
resetCommentBoxFont();
boolean sameTextInBox = commentBox.getText().equals(txt);
setCommentText(txt);
int start = commentBox.getSelectionStart();
int end = commentBox.getSelectionEnd();
if (!commentBox.hasFocus() && (!sameTextInBox || start != 0 || end != txt.length())) {
commentBox.setSelectionStart(0);
commentBox.setSelectionEnd(txt.length());
}
updateSaveButton();
}
代码示例来源:origin: orbisgis/orbisgis
/**
* Comment the selected text in the given script panel.
*
* @param scriptPanel Script panel
*/
private static void commentSQL(JTextArea scriptPanel, String commentCharacter) {
final Element root = scriptPanel.getDocument().getDefaultRootElement();
final int numberOfLastLine = root.getElementIndex(scriptPanel.getSelectionEnd());
int currentLineNumber = root.getElementIndex(scriptPanel.getSelectionStart());
while (currentLineNumber <= numberOfLastLine) {
scriptPanel.insert(commentCharacter,
root.getElement(currentLineNumber).getStartOffset());
currentLineNumber++;
}
}
代码示例来源:origin: org.apache.uima/uimaj-tools
final int currentSelStart = this.main.getTextArea().getSelectionStart();
if (node.isAnnotation()) {
if (null != this.main.getCas().getDocumentText()) {
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