function randomNodes($path = null)
{
$path = array_pop(explode('|', $path));
$min = empty($path) ? 5 : 1;
$nkids = rand($min, 5);
$nodes = array();
for ($i = 0; $i < $nkids; $i++) {
$node = new WFYAHOO_widget_TreeViewNode(($path ? $path . "." : "") . ($i + 1));
$node->setCouldHaveChildren($i % 2 == 0);
$nodes[] = $node;
}
return $nodes;
}
function render($blockContent = NULL)
{
if ($this->hidden or $this->dieselSearchHelper->isFilteringOnAttribute($this->attributeID)) {
return NULL;
} else {
// set up stuff we'll use while rendering
if ($this->class) {
$classHTML = " class=\"{$this->class}\" ";
}
// output facet nav
try {
$Array = new JavaClass("java.lang.reflect.Array");
$facets = $this->prepareFacets();
if (gettype($facets) == 'array') {
if ($this->facetStyle == WFDieselFacet::STYLE_TREE and $this->treeDataPath) {
// no items, but means specifically "no kids" thus need to deal with this for the Tree callback
// ajax callback -- send data
WFYAHOO_widget_TreeView::sendTree(array());
}
return NULL;
}
if (gettype($facets) == 'object' and $Array->getLength($facets) == 0) {
return NULL;
}
// also no items
// sanity check
if ($this->facetStyle == WFDieselFacet::STYLE_MENU and $this->isTaxonomyAttribute()) {
throw new Exception("STYLE_MENU does not support taxonomy attributes.");
}
if ($this->facetStyle == WFDieselFacet::STYLE_MENU and $this->rangeCount) {
throw new Exception("STYLE_MENU does not support range display.");
}
// output!
$html = '';
if ($this->label) {
$html .= "<span style=\"font-weight: bold; white-space: nowrap;\">{$this->label}</span><br />\n";
}
$width = $this->width ? "width: {$this->width};" : NULL;
$height = $this->isPopup ? '300px' : ($this->height ? $this->height : $this->parent()->facetNavHeight());
// NOTE: Safari seems to have a bug where even tho the content fits within the width, it still puts a scroll bar. Works in FF, not sure about IE yet.
$html .= '<div style="max-height: ' . $height . '; overflow: auto; padding-right: 4px;' . $width . '">' . "\n";
// actual facets
switch ($this->facetStyle) {
case WFDieselFacet::STYLE_MENU:
$html .= $this->facetMenuHTML($facets);
break;
case WFDieselFacet::STYLE_TREE:
// set up "root" YUITree
$tree = new WFYAHOO_widget_TreeView('tree_' . $this->id(), $this->page);
$items = array();
foreach ($facets as $facet) {
$label = str_replace("\n", '', $this->facetHTML($facet));
$item = new WFYAHOO_widget_TreeViewNode(java_values($facet->getAttributeValue()), $label);
$fkids = $facet->getChildren();
if ($fkids === null) {
$item->setCouldHaveChildren(false);
}
$items[] = $item;
}
$tree->setValue($items);
$tree->setDynamicCallback($this->parent()->baseURL() . '/' . urlencode($this->dieselSearchHelper->getQueryState($this->attributeID())) . '//' . $this->id() . '|');
if ($this->treeDataPath) {
// ajax callback -- send data
WFYAHOO_widget_TreeView::sendTree($items);
} else {
// initial display of first row of items
$html .= $tree->render();
}
break;
default:
foreach ($facets as $facet) {
$html .= $this->facetHTML($facet);
}
if ($this->maxRows != WFDieselFacet::UNLIMITED_ROWS and $Array->getLength($facets) == $this->maxRows) {
$html .= $this->editFacetLink('More...', $this->class);
} else {
if ($this->maxRows == WFDieselFacet::UNLIMITED_ROWS and $Array->getLength($facets) == $this->maxRows) {
$html .= "<p>There are too many choices to dislpay at this time. Please narrow your search by other criteria and try again.</p>";
}
}
break;
}
$html .= '</div>';
return $html;
} catch (JavaException $e) {
$trace = new java("java.io.ByteArrayOutputStream");
$e->printStackTrace(new java("java.io.PrintStream", $trace));
throw new Exception("java stack trace:<pre> {$trace} </pre>\n");
}
}
}