/**
* @see processing.app.Editor#handleCommentUncomment
* @author fry
*/
public void handleCommentUncomment() {
// TODO startCompoundEdit();
int startLine = textarea.getSelectionStartLine();
int stopLine = textarea.getSelectionStopLine();
int lastLineStart = textarea.getLineStartOffset(stopLine);
int selectionStop = textarea.getSelectionStop();
// If the selection ends at the beginning of the last line,
// then don't (un)comment that line.
if (selectionStop == lastLineStart) {
// Though if there's no selection, don't do that
if (textarea.isSelectionActive()) {
stopLine--;
}
}
// If the text is empty, ignore the user.
// Also ensure that all lines are commented (not just the first)
// when determining whether to comment or uncomment.
int length = textarea.getDocumentLength();
boolean commented = true;
for (int i = startLine; commented && (i <= stopLine); i++) {
int pos = textarea.getLineStartOffset(i);
if (pos + 2 > length) {
commented = false;
} else {
// Check the first two characters to see if it's already a comment.
String begin = textarea.getText(pos, 2);
// System.out.println("begin is '" + begin + "'");
commented = begin.equals("//");
}
}
for (int line = startLine; line <= stopLine; line++) {
int location = textarea.getLineStartOffset(line);
if (commented) {
// remove a comment
textarea.select(location, location + 2);
if (textarea.getSelectedText().equals("//")) {
textarea.setSelectedText("");
// pseudo-code:
// find open code windows
// find localLocation
// insert/remove
// update all codeblocks after
}
} else {
// add a comment
textarea.select(location, location);
textarea.setSelectedText("//");
}
}
// Subtract one from the end, otherwise selects past the current line.
// (Which causes subsequent calls to keep expanding the selection)
textarea.select(
textarea.getLineStartOffset(startLine), textarea.getLineStopOffset(stopLine) - 1);
// stopCompoundEdit();
}
private Point getCaretLocation() {
Point loc = new Point();
TextAreaPainter painter = textArea.getPainter();
FontMetrics fm = painter.getFontMetrics();
int offsetY = fm.getHeight() - COMPOSING_UNDERBAR_HEIGHT;
int lineIndex = textArea.getCaretLine();
loc.y = lineIndex * fm.getHeight() + offsetY;
int offsetX = textArea.getCaretPosition() - textArea.getLineStartOffset(lineIndex);
loc.x = textArea.offsetToX(lineIndex, offsetX);
return loc;
}
/**
* @see processing.app.Editor#handleIndentOutdent
* @author fry
*/
public void handleIndentOutdent(boolean indent) {
int tabSize = Preferences.getInteger("editor.tabs.size");
String tabString = " ".substring(0, tabSize);
// TODO startCompoundEdit();
int startLine = textarea.getSelectionStartLine();
int stopLine = textarea.getSelectionStopLine();
// If the selection ends at the beginning of the last line,
// then don't (un)comment that line.
int lastLineStart = textarea.getLineStartOffset(stopLine);
int selectionStop = textarea.getSelectionStop();
if (selectionStop == lastLineStart) {
// Though if there's no selection, don't do that
if (textarea.isSelectionActive()) {
stopLine--;
}
}
for (int line = startLine; line <= stopLine; line++) {
int location = textarea.getLineStartOffset(line);
if (indent) {
textarea.select(location, location);
textarea.setSelectedText(tabString);
} else { // outdent
textarea.select(location, location + tabSize);
// Don't eat code if it's not indented
if (textarea.getSelectedText().equals(tabString)) {
textarea.setSelectedText("");
}
}
}
// Subtract one from the end, otherwise selects past the current line.
// (Which causes subsequent calls to keep expanding the selection)
textarea.select(
textarea.getLineStartOffset(startLine), textarea.getLineStopOffset(stopLine) - 1);
// stopCompoundEdit();
}
