public void actionPerformed(ActionEvent evt)
{
JEditTextArea textArea = getTextArea(evt);
if(!textArea.isEditable())
{
textArea.getToolkit().beep();
return;
}
if(textArea.getSelectionStart()
!= textArea.getSelectionEnd())
{
textArea.setSelectedText("");
}
else
{
int caret = textArea.getCaretPosition();
if(caret == textArea.getDocumentLength())
{
textArea.getToolkit().beep();
return;
}
try
{
textArea.getDocument().remove(caret,1);
}
catch(BadLocationException bl)
{
bl.printStackTrace();
}
}
}
public void actionPerformed(ActionEvent evt)
{
JEditTextArea textArea = getTextArea(evt);
int caret = textArea.getCaretPosition();
int line = textArea.getCaretLine();
int lineStart = textArea.getLineStartOffset(line);
caret -= lineStart;
String lineText = textArea.getLineText(textArea
.getCaretLine());
if(caret == 0)
{
if(lineStart == 0)
{
textArea.getToolkit().beep();
return;
}
caret--;
}
else
{
String noWordSep = (String)textArea.getDocument().getProperty("noWordSep");
caret = TextUtilities.findWordStart(lineText,caret,noWordSep);
}
if(select)
textArea.select(textArea.getMarkPosition(),
lineStart + caret);
else
textArea.setCaretPosition(lineStart + caret);
}
public void actionPerformed(ActionEvent evt)
{
JEditTextArea textArea = getTextArea(evt);
int start = textArea.getSelectionStart();
if(start != textArea.getSelectionEnd())
{
textArea.setSelectedText("");
}
int line = textArea.getCaretLine();
int lineStart = textArea.getLineStartOffset(line);
int caret = start - lineStart;
String lineText = textArea.getLineText(textArea
.getCaretLine());
if(caret == 0)
{
if(lineStart == 0)
{
textArea.getToolkit().beep();
return;
}
caret--;
}
else
{
String noWordSep = (String)textArea.getDocument().getProperty("noWordSep");
caret = TextUtilities.findWordStart(lineText,caret,noWordSep);
}
try
{
textArea.getDocument().remove(
caret + lineStart,
start - (caret + lineStart));
}
catch(BadLocationException bl)
{
bl.printStackTrace();
}
}
private void doComment(String commentChar, boolean addComment) {
int startline = editor.getSelectionStartLine();
int endline = getLastRelevantSelectionLine();
if (commentChar == null) commentChar = "--";
int cLength = commentChar.length();
int pos = editor.getSelectionEnd(endline) - editor.getLineStartOffset(endline);
SyntaxDocument document = editor.getDocument();
if (addComment && commentChar.equals("--")) {
// workaround for an Oracle bug, where a comment like
//
// --commit;
//
// would not be treated correctly when sent to the database.
// Apparently Oracle requires a blank after the two dashes.
//
// Adding the blank shouldn't do any harm for other databases
commentChar = "-- ";
}
boolean ansiComment = "--".equals(commentChar);
try {
document.beginCompoundEdit();
for (int line = startline; line <= endline; line++) {
String text = editor.getLineText(line);
int lineStart = editor.getLineStartOffset(line);
if (addComment) {
document.insertString(lineStart, commentChar, null);
} else {
pos = text.indexOf(commentChar);
if (pos > -1) {
int commentLength = cLength;
// remove the blank following the comment character to cater
// for the blank that was inserted by commenting the lines (see above)
if (ansiComment
&& text.length() > pos + cLength
&& Character.isWhitespace(text.charAt(pos + cLength))) {
commentLength++;
}
document.remove(lineStart, pos + commentLength);
}
}
}
} catch (BadLocationException e) {
LogMgr.logError("TextManipulator.doComment()", "Error when processing comment", e);
} finally {
document.endCompoundEdit();
}
}