Method service has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    public void service(org.zkoss.zk.au.AuRequest request, boolean everError) {
        final String cmd = request.getCommand();
        if (cmd.equals(Events.ON_OPEN)) {
            OpenEvent evt = OpenEvent.getOpenEvent(request);
            _open = evt.isOpen();

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Avoid deeply nested control flow statements.

Open

                        if (_open)
                            gmodel.addOpenGroup(gindex);
                        else
                            gmodel.removeOpenGroup(gindex);

Method close has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    public void close() {
        if (_selected) {
            final Tab tab = selectNextTab();
            if (tab != null) {
                final Set<Tab> selItems = new HashSet<Tab>(2);

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Method setSelectedIndex has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    public void setSelectedIndex(int jsel) {
        if (jsel < 0)
            jsel = -1;
        if (_jsel != jsel) {
            if (jsel < 0) {

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Avoid deeply nested control flow statements.

Open

                            if (matcher.find()) {
                                regexFlags = matcher.group(0).trim();
                            }

Avoid deeply nested control flow statements.

Open

                            if (cc == '\\')
                                ++k; //skip one

Method show has 6 arguments (exceeds 4 allowed). Consider refactoring.

Open

    public static Button show(String message, String title, Button[] buttons, String icon, Button focus,
            EventListener<ClickEvent> listener) {

Method setLocalized has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    public void setLocalized(boolean localized) {
        if (_localized != localized) {
            if (localized && "instant".equals(_mode))
                throw new UnsupportedOperationException("localized not supported in instant mode yet");

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Method setScale has 6 arguments (exceeds 4 allowed). Consider refactoring.

Open

    public void setScale(double lowerBound, double upperBound, double startAngle, double extent,
            double majorTickInterval, int minorTickCount) {

Method onChildAdded has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    @Override
    public void onChildAdded(Component child) {
        super.onChildAdded(child);
        if (_disabled) {
            if (child instanceof Radio) {

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Method removeAll has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    public boolean removeAll(Collection<?> c) {
        if (_set == c || this == c) { //special case
            clear();
            return true;
        }

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Avoid deeply nested control flow statements.

Open

                        if (offset > 0) {
                            List groupsInfos = groupsListModel.getGroupsInfos();
                            gindex += getGroupIndex(groupsInfos, offset) + 1;
                        }

Method newScale has 6 arguments (exceeds 4 allowed). Consider refactoring.

Open

    public DialModelScale newScale(double lowerBound, double upperBound, double startAngle, double extent,
            double majorTickInterval, int minorTickCount) {

Avoid deeply nested control flow statements.

Open

                            if (cc == '/') {
                                hasEndingSlash = true;
                                break; //ending / found
                            }

Avoid deeply nested control flow statements.

Open

                            if (k >= len) { //no ending /
                                k = -1;
                                break;
                            }

Method setPageSize has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    public void setPageSize(int size) throws WrongValueException {
        if (size < 0) {
            throw new WrongValueException("page size should >= 0");
        }
        

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Method retainAll has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    public boolean retainAll(Collection<?> c) {
        if (_set == c || this == c) { //special case
            return false;
        }
        //bug #1819318 Problem while using SortedSet with Databinding

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Method doSelectionChanged has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    private void doSelectionChanged() {
        final Selectable<Object> smodel = getSelectableModel();
        if (smodel.isSelectionEmpty()) {
            if (_jsel >= 0)
                setSelectedItem(null);

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Method setVisible has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    public boolean setVisible(boolean visible) {
        if (isVisible() == visible)
            return visible;

        final boolean result = super.setVisible(visible);

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Method getGroupsInfoAt has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    /*package*/ int[] getGroupsInfoAt(int index, boolean isGroup) {
        for (Iterator<int[]> it = _groupsInfo.iterator(); it.hasNext();) {
            int[] g = it.next();
            if (isGroup) {
                if (index == g[0])

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