Example usage for javax.swing.tree AbstractLayoutCache getExpandedState

Introduction

In this page you can find the example usage for javax.swing.tree AbstractLayoutCache getExpandedState.

Prototype

public abstract boolean getExpandedState(TreePath path);

Source Link

Document

Returns true if the path is expanded, and visible.

Usage

From source file:ca.uhn.hl7v2.testpanel.ui.v2tree.Hl7V2MessageTree.java

private Set<String> getOpenPaths() {
    Set<String> retVal = new HashSet<String>();

    TableModel model = getModel();
    AbstractLayoutCache layout = ((OutlineModel) model).getLayout();
    int messageIndex = -1;
    for (int i = 0; i < layout.getRowCount(); i++) {
        TreePath path = layout.getPathForRow(i);

        Object baseObj = path.getLastPathComponent();
        if (baseObj instanceof TreeNodeMessage || baseObj instanceof TreeNodeUnknown) {

            messageIndex++;//from  w  ww  .  j a  v a2 s.  c o  m

            if (layout.getExpandedState(path)) {
                retVal.add(Integer.toString(messageIndex));
            }

        } else {

            baseObj = path.getPathComponent(path.getPathCount() - 2);
            if (baseObj instanceof TreeNodeBase) {
                retVal.add(Integer.toString(messageIndex) + ((TreeNodeBase) baseObj).getTerserPath());
            }
        }

    }

    return retVal;
}

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