fiore@3: #pragma once
fiore@3: 
fiore@3: #include <jni.h>
fiore@3: #include "stdafx.h"
fiore@3: #include "utils.h"
fiore@3: 
fiore@3: 
fiore@3: /* this class uses the java haptic object lists to provide nodes *
fiore@3:  * and edges to draw to the graphic and haptic managers          */
fiore@3: class CollectionsManager
fiore@3: {
fiore@3: public:
fiore@3: 	struct NodeData {
fiore@3: 		jdouble x;
fiore@3: 		jdouble y;
fiore@3: 		jint hapticId;
fiore@3: 		jint diagramId;
fiore@3: 
fiore@3: 		NodeData(){}
fiore@3: 	private :
fiore@3: 		NodeData(const NodeData& n){/* avoid mistakenly copy construction calls */}
fiore@3: 	};
fiore@3: 
fiore@3: 	struct EdgeData{
fiore@3: 		jdouble *x;
fiore@3: 		jdouble *y;
fiore@3: 		bool **adjMatrix;
fiore@3: 		jint hapticId;
fiore@3: 		jint diagramId;
fiore@3: 		jint stipplePattern;
fiore@3: 		jsize nodeStart;
fiore@3: 		jdouble attractPoint[2];
fiore@3: 		void setSize(unsigned int s){
fiore@3: 			size = s;
fiore@3: 			if(s > previousSize){
fiore@3: 				/* delete the old memory */
fiore@3: 				delete [] x;
fiore@3: 				delete [] y;
fiore@3: 				for(unsigned int i=0; i<previousSize; i++)
fiore@3: 					delete[] adjMatrix[i];
fiore@3: 				delete [] adjMatrix;
fiore@3: 				/* allocates a bigger one */
fiore@3: 				try{
fiore@3: 					x = new jdouble[size];
fiore@3: 					y = new jdouble[size];
fiore@3: 					adjMatrix = new  bool* [size];
fiore@3: 					for(unsigned int i=0; i<size; i++){
fiore@3: 						adjMatrix[i] = new bool[size];
fiore@3: 						for(unsigned int j=0; j<size; j++)
fiore@3: 							adjMatrix[i][j] = false;
fiore@3: 					}
fiore@3: 				}catch(std::bad_alloc){
fiore@3: 					stopExecution("Could not allocate memory for the program.\nAborting...");
fiore@3: 				}
fiore@3: 				previousSize = size;
fiore@3: 			}
fiore@3: 		}
fiore@3: 
fiore@3: 		unsigned int getSize() const {
fiore@3: 			return size;
fiore@3: 		}
fiore@3: 
fiore@3: 		EdgeData(unsigned int s) : size(s), previousSize(s){
fiore@3: 			x = new jdouble[size];
fiore@3: 			y = new jdouble[size];
fiore@3: 			adjMatrix = new  bool* [size];
fiore@3: 			for(unsigned int i=0; i<size; i++){
fiore@3: 				adjMatrix[i] = new bool[size];
fiore@3: 				for(unsigned int j=0; j<size; j++)
fiore@3: 					adjMatrix[i][j] = false;
fiore@3: 			}
fiore@3: 		}
fiore@3: 		~EdgeData(){
fiore@3: 			delete [] x;
fiore@3: 			delete [] y;
fiore@3: 			for(unsigned int i=0; i<size; i++)
fiore@3: 				delete[] adjMatrix[i];
fiore@3: 			delete [] adjMatrix;
fiore@3: 		}
fiore@3: 	private :
fiore@3: 		unsigned int size;
fiore@3: 		unsigned int previousSize;
fiore@3: 		EdgeData(const EdgeData& e){ /* avoid mistakenly copy construction */}
fiore@3: 
fiore@3: 	};
fiore@3: private:
fiore@3: 	JNIEnv *env;
fiore@3: 	jobject *haptics;
fiore@3: 
fiore@3: 	jclass hapticClass;
fiore@3: 	jclass hapticNodeClass;
fiore@3: 	jclass hapticEdgeClass;
fiore@3: 	jclass listClass;
fiore@3: 	jclass bitsetClass;
fiore@3: 	jobject nodeList;
fiore@3: 	jobject edgeList;
fiore@3: 	jmethodID getMethodId;
fiore@3: 	jmethodID sizeMethodId;
fiore@3: 	jmethodID getBitMethodId;
fiore@3: 	jmethodID getNodeFromIDMethodId;
fiore@3: 	jmethodID getEdgeFromIDMethodId;
fiore@3: 	jfieldID xFieldId;
fiore@3: 	jfieldID yFieldId;
fiore@3: 	jfieldID nodeHapticIdFieldId;
fiore@3: 	jfieldID edgeHapticIdFieldId;
fiore@3: 	jfieldID nodeDiagramIdFieldId;
fiore@3: 	jfieldID edgeDiagramIdFieldId;
fiore@3: 	jfieldID nodeListfieldId;
fiore@3: 	jfieldID stipplePatternfieldId;
fiore@3: 	jfieldID edgeListfieldId;
fiore@3: 	jfieldID edgeSizefieldId;
fiore@3: 	jfieldID edgeXsFieldId;
fiore@3: 	jfieldID edgeYsFieldId;
fiore@3: 	jfieldID edgeAdjMatrixFieldId;
fiore@3: 	jfieldID attractPointXFieldId;
fiore@3: 	jfieldID attractPointYFieldId;
fiore@3: 	jfieldID edgeNodeStartFieldId;
fiore@3: 
fiore@3: 	int screenHeight;
fiore@3: 	NodeData nd;
fiore@3: 	EdgeData ed;
fiore@3: 	
fiore@3: 	void fillupNodeData(struct NodeData & nd, jobject & currentNode);
fiore@3: 	void fillupEdgeData(struct EdgeData & ed, jobject & currentEdge);
fiore@3: public:
fiore@3: 	CollectionsManager(JNIEnv *environment, jobject *obj) : env(environment), haptics(obj), ed(2){}
fiore@3: 	virtual ~CollectionsManager(void){}
fiore@3: 	const jint getNodesNum();
fiore@3: 	const jint getEdgesNum();
fiore@3: 	struct NodeData & getNodeData(const int i);
fiore@3: 	struct EdgeData & getEdgeData(const int i);
fiore@3: 	struct NodeData & getNodeDataFromID(const jint id) throw(int);
fiore@3: 	struct EdgeData & getEdgeDataFromID(const jint id) throw(int);
fiore@3: 	bool isEdge(const jint id) const throw(int);
fiore@3: 	bool isNode(const jint id) const throw(int);
fiore@3: 	void init(void);
fiore@5: 	inline int getScreenHeight() const { return screenHeight;}
fiore@5: 	inline void setScreenHeight(const int sh) { screenHeight = sh; }
fiore@3: 	
fiore@3: };