void ViewItemSet::reBuildTree(const ItemSet& it){
Graph *graph=getGlMainWidget()->getGraph();
vector<ItemSet> data;
DataSet dataset;
bool b=graph->getAttribute("datasetitem",dataset);
bool c=dataset.get("ItemSet",data);
graph->holdObservers();
graph->clear();
StringProperty *labelItemSet=graph->getLocalProperty<StringProperty>("viewLabel");
DoubleProperty *frequentItemSet=graph->getLocalProperty<DoubleProperty>("viewFrequent");
//ItemSet itemset;
node nodeNull=graph->addNode();
node curNode;
node pointerSon;
labelItemSet->setNodeValue(nodeNull,"NULL");
frequentItemSet->setNodeValue(nodeNull,0);
int x=data.size();
for(int i=0;i<x;i++){
ItemSet &itemset=data[i];
int size=itemset.numberOfItem();
double fr= atof(itemset.getItem(size-1)->getName().c_str());
itemset.removeItem(size);
if(size!=0){
curNode=nodeNull; //cursor node
for(int i=0;i<size-1;i++)
if(it.isExitItem(*itemset.getItem(i)))
itemset.getItem(i)->setPriority(true);
itemset.sortItems();
for(int i=0;i<size-1;i++)
{
pointerSon=isNodeSon(itemset.getItem(i)->getName(),curNode);
if(!pointerSon.isValid()){
node n= node();
n=graph->addNode();
labelItemSet->setNodeStringValue(n,itemset.getItem(i)->getName());
frequentItemSet->setNodeValue(n,fr);
edge e=graph->addEdge(curNode,n);
curNode=n;
}else{
curNode= pointerSon;
frequentItemSet->setNodeValue(curNode,frequentItemSet->getNodeValue(curNode)+fr);
}
}
}
itemset.clear();
}
string erreurMsg;
DataSet tmp;
LayoutProperty * layout = graph->getLocalProperty<LayoutProperty>("viewLayout"); // get the viewLayout property of your graph
StructDef structDef = LayoutProperty::factory->getPluginParameters("Hierarchical Tree (R-T Extended)");
structDef.buildDefaultDataSet(tmp,graph);
// tmp.set<float>("node size", nodeSize);
// tmp.set<float>("layer spacing", 200.);
// tmp.set<float>("node spacing", 20.);
//tmp.set("orthogonal", true);
StringCollection tmpS("vertical;horizontal;");
tmp.set("orientation", tmpS);
LayoutProperty tempLayout(graph);
tempLayout = *layout;
graph->computeProperty<LayoutProperty>("Hierarchical Tree (R-T Extended)", &tempLayout, //"Squarified Tree Map","Hierarchical Graph"
erreurMsg, 0, &tmp); // call to the plugin.
*layout = tempLayout;
graph->unholdObservers();
}
