void WTreeNode::create()
{
setImplementation(layout_ = new WTable());
setStyleClass("Wt-tree");
layout_->setSelectable(false);
if (WApplication::instance()->environment().agentIsOpera())
layout_->setAttributeValue("style", "table-layout: auto");
implementStateless(&WTreeNode::doExpand, &WTreeNode::undoDoExpand);
implementStateless(&WTreeNode::doCollapse, &WTreeNode::undoDoCollapse);
WApplication *app = WApplication::instance();
expandIcon_
= new WIconPair(WApplication::resourcesUrl() + "themes/" + app->cssTheme()
+ "/" + imagePlus_,
WApplication::resourcesUrl() + "themes/" + app->cssTheme()
+ "/" + imageMin_);
noExpandIcon_ = new WText();
noExpandIcon_->setStyleClass("Wt-noexpand");
layout_->rowAt(1)->hide();
if (labelText_)
// "treenodelabel" is for backwards compatibility with Wt < 3.1.1
labelText_->setStyleClass("Wt-label treenodelabel");
childCountLabel_ = 0;
layout_->elementAt(0, 0)->setStyleClass("Wt-trunk");
layout_->elementAt(0, 0)->addWidget(noExpandIcon_);
if (labelIcon_) {
layout_->elementAt(0, 1)->addWidget(labelIcon_);
labelIcon_->setVerticalAlignment(AlignMiddle);
}
if (labelText_)
layout_->elementAt(0, 1)->addWidget(labelText_);
layout_->elementAt(0, 0)->setContentAlignment(AlignLeft | AlignTop);
layout_->elementAt(0, 1)->setContentAlignment(AlignLeft | AlignMiddle);
layout_->rowAt(0)->setStyleClass("Wt-node");
childrenLoaded_ = false;
setLoadPolicy(LazyLoading);
}
