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);
}
protected void paintSyntaxLine(
Graphics gfx,
TokenMarker tokenMarker,
int line,
Font defaultFont,
Color defaultColor,
int x,
int y) {
textArea.getLineText(currentLineIndex, currentLine);
currentLineTokens = tokenMarker.markTokens(currentLine, currentLineIndex);
paintHighlight(gfx, line, y);
gfx.setFont(defaultFont);
gfx.setColor(defaultColor);
y += fm.getHeight();
x = SyntaxUtilities.paintSyntaxLine(currentLine, currentLineTokens, styles, this, gfx, x, y);
/*
* Draw characters via input method.
*/
if (compositionTextPainter != null && compositionTextPainter.hasComposedTextLayout()) {
compositionTextPainter.draw(gfx, lineHighlightColor);
}
if (eolMarkers) {
gfx.setColor(eolMarkerColor);
gfx.drawString(".", x, y);
}
}
protected void paintPlainLine(
Graphics gfx, int line, Font defaultFont, Color defaultColor, int x, int y) {
paintHighlight(gfx, line, y);
textArea.getLineText(line, currentLine);
gfx.setFont(defaultFont);
gfx.setColor(defaultColor);
y += fm.getHeight();
x = Utilities.drawTabbedText(currentLine, x, y, gfx, this, 0);
if (eolMarkers) {
gfx.setColor(eolMarkerColor);
gfx.drawString(".", x, y);
}
}
protected void paintPlainLine(
Graphics gfx, int line, Font defaultFont, Color defaultColor, int x, int y) {
paintHighlight(gfx, line, y);
textArea.getLineText(line, currentLine);
gfx.setFont(defaultFont);
gfx.setColor(defaultColor);
y += fm.getHeight();
x = Utilities.drawTabbedText(currentLine, x, y, gfx, this, 0);
// Draw characters via input method.
if (compositionTextPainter != null && compositionTextPainter.hasComposedTextLayout()) {
compositionTextPainter.draw(gfx, lineHighlightColor);
}
if (eolMarkers) {
gfx.setColor(eolMarkerColor);
gfx.drawString(".", x, y);
}
}
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();
}
}
protected void paintSyntaxLine(
Graphics gfx,
TokenMarker tokenMarker,
int line,
Font defaultFont,
Color defaultColor,
int x,
int y) {
textArea.getLineText(currentLineIndex, currentLine);
currentLineTokens = tokenMarker.markTokens(currentLine, currentLineIndex);
paintHighlight(gfx, line, y);
gfx.setFont(defaultFont);
gfx.setColor(defaultColor);
y += fm.getHeight();
x = SyntaxUtilities.paintSyntaxLine(currentLine, currentLineTokens, styles, this, gfx, x, y);
if (eolMarkers) {
gfx.setColor(eolMarkerColor);
gfx.drawString(".", x, y);
}
}