// null, then do not render root node in the tree.
if ("ROOT-NODE".equalsIgnoreCase(node.getName()) &&
(node.getLabel() == null)) {
// Render the children of this node
TreeControlNode children[] = node.findChildren();
int lastIndex = children.length - 1;
int newLevel = level + 1;
for (int i = 0; i < children.length; i++) {
render(out, children[i], newLevel, width, i == lastIndex);
}
return;
}
// Render the beginning of this node
out.println(" <tr valign=\"middle\">");
// Create the appropriate number of indents
for (int i = 0; i < level; i++) {
int levels = level - i;
TreeControlNode parent = node;
for (int j = 1; j <= levels; j++)
parent = parent.getParent();
if (parent.isLast())
out.print(" <td></td>");
else {
out.print(" <td><img src=\"");
out.print(images);
out.print("/");
out.print(IMAGE_LINE_VERTICAL);
out.print("\" alt=\"\" border=\"0\"></td>");
}
out.println();
}
// Render the tree state image for this node
// HACK to take into account special characters like = and &
// in the node name, could remove this code if encode URL
// and later request.getParameter() could deal with = and &
// character in parameter values.
String encodedNodeName = URLEncoder.encode(node.getName());
PortletURL treeActionUrl = renderResponse.createActionURL();
treeActionUrl.setParameter("node", node.getName());
String treeAction = treeActionUrl.toString();
// String action = replace(getAction(), "${name}", encodedNodeName);
// String updateTreeAction =
// replace(getAction(), "tree=${name}", "select=" + encodedNodeName);
// updateTreeAction =
// ((HttpServletResponse) pageContext.getResponse()).
// encodeURL(updateTreeAction);
out.print(" <td>");
//add an anchor so that we can return to this node
out.print("<a name=\"");
out.print(node.getName());
out.print("\">");
if ((action != null) && !node.isLeaf()) {
out.print("<a href=\"");
out.print(response.encodeURL(treeAction));
out.print("\">");
}
out.print("<img src=\"");
out.print(images);
out.print("/");
if (node.isLeaf()) {
if (node.isLast())
out.print(IMAGE_LINE_LAST);
else
out.print(IMAGE_LINE_MIDDLE);
out.print("\" alt=\"");
} else if (node.isExpanded()) {
if (node.isLast())
out.print(IMAGE_HANDLE_DOWN_LAST);
else
out.print(IMAGE_HANDLE_DOWN_MIDDLE);
out.print("\" alt=\"close node");
} else {
if (node.isLast())
out.print(IMAGE_HANDLE_RIGHT_LAST);
else
out.print(IMAGE_HANDLE_RIGHT_MIDDLE);
out.print("\" alt=\"expand node");
}
out.print("\" border=\"0\">");
if ((action != null) && !node.isLeaf())
out.print("</a>");
out.println("</td>");
// Calculate the hyperlink for this node (if any)
String hyperlink = null;
String nodeAction = node.getAction();
if(nodeAction == null && node.isExpandWhenClicked())
{
hyperlink = treeAction;
}
if (nodeAction != null)
{
if(node.getAction().equals("portlet_url"))
{
PortletURL actionUrl = renderResponse.createActionURL();
actionUrl.setParameter("select_node", node.getName());
hyperlink = ((HttpServletResponse) pageContext.getResponse()).encodeURL(actionUrl.toString());
}
else
{
hyperlink = ((HttpServletResponse) pageContext.getResponse()).
encodeURL(node.getAction());
}
}
// Render the icon for this node (if any)
out.print(" <td colspan=\"");
out.print(width - level + 1);
out.print("\"");
if(node.getLabel() != null)
{
//make sure text does not wrap
out.print(" style=\"");
out.print("white-space:nowrap;");
out.print("\"");
}
out.print(">");
if (node.getIcon() != null) {
if (hyperlink != null) {
out.print("<a href=\"");
out.print(hyperlink);
out.print("\"");
String target = node.getTarget();
if(target != null) {
out.print(" target=\"");
out.print(target);
out.print("\"");
}
/* Invalid, not used, and not usefull
// to refresh the tree in the same 'self' frame
out.print(" onclick=\"");
out.print("self.location.href='" + updateTreeAction + "'");
out.print("\"");
*/
out.print(">");
}
out.print("<img src=\"");
out.print(images);
out.print("/");
out.print(node.getIcon());
out.print("\" alt=\"");
out.print("\" border=\"0\">");
if (hyperlink != null)
out.print("</a>");
}
// Render the label for this node (if any)
if (node.getLabel() != null) {
String labelStyle = node.getCSSClass();
if (node.isSelected() && (styleSelected != null))
labelStyle = styleSelected;
else if (!node.isSelected() && (styleUnselected != null))
labelStyle = styleUnselected;
if (hyperlink != null) {
// Note the leading space so that the text has some space
// between it and any preceding images
out.print(" <a href=\"");
out.print(hyperlink);
out.print("\"");
String target = node.getTarget();
if(target != null) {
out.print(" target=\"");
out.print(target);
out.print("\"");
}
if (labelStyle != null) {
out.print(" class=\"");
out.print(labelStyle);
out.print("\"");
}
if(node.getTitle() != null)
{
out.print(" title=\"");
out.print(node.getTitle());
out.print("\"");
}
/* Invalid, not used, and not usefull
// to refresh the tree in the same 'self' frame
out.print(" onclick=\"");
out.print("self.location.href='" + updateTreeAction + "'");
out.print("\"");
*/
out.print(">");
} else if (labelStyle != null) {
out.print("<span class=\"");
out.print(labelStyle);
out.print("\">");
}
out.print(node.getLabel());
if (hyperlink != null)
out.print("</a>");
else if (labelStyle != null)
out.print("</span>");
}
out.println("</td>");
// Render the end of this node
out.println(" </tr>");
// Render the children of this node
if (node.isExpanded()) {
TreeControlNode children[] = node.findChildren();
int lastIndex = children.length - 1;
int newLevel = level + 1;
for (int i = 0; i < children.length; i++) {
render(out, children[i], newLevel, width, i == lastIndex);
}