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

Open

    public void onAfterRender() {
        if (inPagingMold() && _model instanceof Pageable) {
            Pageable m = (Pageable) _model;
            if (m.getPageSize() > 0) { //min page size is 1
                _pgi.setPageSize(m.getPageSize());

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Avoid deeply nested control flow statements.

Open

                        if (cols != null) {
                            for (Component treecol : cols.getChildren()) {
                                ((Treecol) treecol).setSortDirection("natural");
                            }
                        }

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 (m.getActivePage() < 0) { //check for invalid value, min page index is 0
                            m.setActivePage(_pgi.getActivePage());
                        }

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

Open

        public void onEvent(Event event) throws Exception {
            if (_modelInitListener != null) {
                Tree.this.removeEventListener("onInitModel", _modelInitListener);
                _modelInitListener = null;
            }

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Avoid deeply nested control flow statements.

Open

                            if (i >= end) {
                                if (sortedIndex.isEmpty()) {
                                    break;
                                } else {
                                    start = sortedIndex.removeFirst() * size;

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

Open

    public void setActivePage(Treeitem item) {
        if (item.isRealVisible() && item.getTree() == this && isVisible()) {
            int index = getVisibleIndexOfItem(item);
            if (index != -1) {
                final Paginal pgi = getPaginal();

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

Open

    public void addItemToSelection(Treeitem item) {
        if (item.getTree() != this)
            throw new UiException("Not a child: " + item);

        if (!item.isSelected()) {

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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) {
            final Rows rows = (Rows) getParent();
            if (rows != null) {
                final Group g = rows.getGroup(getIndex());

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

Open

    private void fixClone() {
        if (_sortAsc instanceof ListitemComparator) {
            final ListitemComparator c = (ListitemComparator) _sortAsc;
            if (c.getListheader() == this && c.isAscending())
                _sortAsc = new ListitemComparator(this, true, c.shallIgnoreCase());

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Avoid deeply nested control flow statements.

Open

                            if (i < start) {
                                i++;
                                continue;
                            }

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

Open

    protected void renderProperties(org.zkoss.zk.ui.sys.ContentRenderer renderer) throws java.io.IOException {
        super.renderProperties(renderer);

        String realformat = getRealFormat();
        if (realformat.indexOf("z") != -1) {

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Avoid deeply nested control flow statements.

Open

                        if (data[1] < data[2]) {
                            // count the rendered item
                            data[4]++;
                            map.put(item, Boolean.TRUE);
                        }

Avoid deeply nested control flow statements.

Open

                            if (!ti.isOpen() && ti.getDesktop() != null) {
                                ti.getChildren().clear();
                                ti.setRendered(false);
                                ti.setLoaded(false);
                            }

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

Open

    protected String coerceToString(Object value) {
        final Constraint constr = getConstraint();
        final String val = super.coerceToString(value);
        if (val.length() > 0 && constr != null && constr instanceof SimpleConstraint
                && (((SimpleConstraint) constr).getFlags() & SimpleConstraint.STRICT) != 0) {

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Avoid deeply nested control flow statements.

Open

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

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

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 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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