XPathQueryDesigner.java 文件源码

private void addDoubleClickSupport() {
    treeViewer.addDoubleClickListener(new IDoubleClickListener() {
        @Override
        public void doubleClick(DoubleClickEvent event) {
            TreeSelection s = (TreeSelection) treeViewer.getSelection();
            if (s.getFirstElement() instanceof XMLNode) {
                XMLNode xmlNode = (XMLNode) s.getFirstElement();
                String xPathExpression = documentManager
                        .getXPathExpression(null, xmlNode);
                queryTextArea
                        .setText((xPathExpression != null) ? xPathExpression
                                : ""); //$NON-NLS-1$
            }
        }
    });
}