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);
if(!textArea.isEditable())
{
textArea.getToolkit().beep();
return;
}
textArea.setSelectedText("\n");
}
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();
}
}