protected void paintLineHighlight(Graphics gfx, int line, int y) {
int height = fm.getHeight();
y += fm.getLeading() + fm.getMaxDescent();
int selectionStart = textArea.getSelectionStart();
int selectionEnd = textArea.getSelectionStop();
if (selectionStart == selectionEnd) {
if (lineHighlight) {
gfx.setColor(lineHighlightColor);
gfx.fillRect(0, y, getWidth(), height);
}
} else {
gfx.setColor(selectionColor);
int selectionStartLine = textArea.getSelectionStartLine();
int selectionEndLine = textArea.getSelectionStopLine();
int lineStart = textArea.getLineStartOffset(line);
int x1, x2;
if (textArea.isSelectionRectangular()) {
int lineLen = textArea.getLineLength(line);
x1 =
textArea._offsetToX(
line,
Math.min(
lineLen, selectionStart - textArea.getLineStartOffset(selectionStartLine)));
x2 =
textArea._offsetToX(
line,
Math.min(lineLen, selectionEnd - textArea.getLineStartOffset(selectionEndLine)));
if (x1 == x2) x2++;
} else if (selectionStartLine == selectionEndLine) {
x1 = textArea._offsetToX(line, selectionStart - lineStart);
x2 = textArea._offsetToX(line, selectionEnd - lineStart);
} else if (line == selectionStartLine) {
x1 = textArea._offsetToX(line, selectionStart - lineStart);
x2 = getWidth();
} else if (line == selectionEndLine) {
// x1 = 0;
// hack from stendahl to avoid doing weird side selection thing
x1 = textArea._offsetToX(line, 0);
// attempt at getting the gutter too, but doesn't seem to work
// x1 = textArea._offsetToX(line, -textArea.getHorizontalOffset());
x2 = textArea._offsetToX(line, selectionEnd - lineStart);
} else {
// x1 = 0;
// hack from stendahl to avoid doing weird side selection thing
x1 = textArea._offsetToX(line, 0);
// attempt at getting the gutter too, but doesn't seem to work
// x1 = textArea._offsetToX(line, -textArea.getHorizontalOffset());
x2 = getWidth();
}
// "inlined" min/max()
gfx.fillRect(x1 > x2 ? x2 : x1, y, x1 > x2 ? (x1 - x2) : (x2 - x1), height);
}
}
protected void paintHighlight(Graphics gfx, int line, int y) {
if (line >= textArea.getSelectionStartLine() && line <= textArea.getSelectionEndLine())
paintLineHighlight(gfx, line, y);
if (highlights != null) highlights.paintHighlight(gfx, line, y);
if (bracketHighlight && line == textArea.getBracketLine()) paintBracketHighlight(gfx, line, y);
if (line == textArea.getCaretLine()) paintCaret(gfx, line, y);
}
private int getLastRelevantSelectionLine() {
int startline = editor.getSelectionStartLine();
int endline = editor.getSelectionEndLine();
int lastLineStart = editor.getLineStartOffset(endline);
if (lastLineStart == editor.getSelectionEnd() && endline > startline) {
// ignore the last selection line (of a multiline selection) if there isn't something selected
endline--;
}
return endline;
}
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();
}
}
protected boolean isSelectionCommented(String commentChar) {
int startline = editor.getSelectionStartLine();
int endline = getLastRelevantSelectionLine();
if (commentChar == null) commentChar = "--";
for (int line = startline; line <= endline; line++) {
String text = editor.getLineText(line);
if (StringUtil.isBlank(text)) return false;
if (!text.startsWith(commentChar)) return false;
}
return true;
}
protected void paintLineHighlight(Graphics gfx, int line, int y) {
int height = fm.getHeight();
y += fm.getLeading() + fm.getMaxDescent();
int selectionStart = textArea.getSelectionStart();
int selectionEnd = textArea.getSelectionEnd();
if (selectionStart == selectionEnd) {
if (lineHighlight) {
gfx.setColor(lineHighlightColor);
gfx.fillRect(0, y, getWidth(), height);
}
} else {
gfx.setColor(selectionColor);
int selectionStartLine = textArea.getSelectionStartLine();
int selectionEndLine = textArea.getSelectionEndLine();
int lineStart = textArea.getLineStartOffset(line);
int x1, x2;
if (textArea.isSelectionRectangular()) {
int lineLen = textArea.getLineLength(line);
x1 =
textArea._offsetToX(
line,
Math.min(
lineLen, selectionStart - textArea.getLineStartOffset(selectionStartLine)));
x2 =
textArea._offsetToX(
line,
Math.min(lineLen, selectionEnd - textArea.getLineStartOffset(selectionEndLine)));
if (x1 == x2) x2++;
} else if (selectionStartLine == selectionEndLine) {
x1 = textArea._offsetToX(line, selectionStart - lineStart);
x2 = textArea._offsetToX(line, selectionEnd - lineStart);
} else if (line == selectionStartLine) {
x1 = textArea._offsetToX(line, selectionStart - lineStart);
x2 = getWidth();
} else if (line == selectionEndLine) {
x1 = 0;
x2 = textArea._offsetToX(line, selectionEnd - lineStart);
} else {
x1 = 0;
x2 = getWidth();
}
// "inlined" min/max()
gfx.fillRect(x1 > x2 ? x2 : x1, y, x1 > x2 ? (x1 - x2) : (x2 - x1), height);
}
}