Method checkLabelAttribute

src/figtree/application/FigTreeFrame.java:889–931

(List<Tree> trees)

    private void checkLabelAttribute(List<Tree> trees) {

        boolean hasLabel = false;

        for (Tree tree : trees) {
            for (Node node : tree.getNodes()) {
                if (node.getAttribute("label") != null) {
                    hasLabel = true;
                }
            }
        }

        if (hasLabel) {
            String labelName = null;

            do {
                labelName = JOptionPane.showInputDialog(
                        "The node/branches of the tree are labelled\n" +
                                "(i.e., with bootstrap values or posterior probabilities).\n\n" +
                                "Please select a name for these values.", "label");
                if (labelName == null) {
                    labelName = "label";
                }
                labelName = labelName.trim();

                if (labelName.length() == 0) {
                    Toolkit.getDefaultToolkit().beep();
                }
            } while (labelName == null || labelName.length() == 0);

            if (!labelName.equals("label")) {
                for (Tree tree : trees) {
                    for (Node node : tree.getNodes()) {
                        Object value = node.getAttribute("label");
                        if (value != null) {
                            node.removeAttribute("label");
                            node.setAttribute(labelName, value);
                        }
                    }
                }
            }
        }
    }


    protected boolean writeToFile(File file) throws IOException {