fiore@5: /*  
fiore@5:  CCmI Editor - A Collaborative Cross-Modal Diagram Editing Tool
fiore@5:   
fiore@5:  Copyright (C) 2011  Queen Mary University of London (http://ccmi.eecs.qmul.ac.uk/)
fiore@5: 
fiore@5:  This program is free software: you can redistribute it and/or modify
fiore@5:  it under the terms of the GNU General Public License as published by
fiore@5:  the Free Software Foundation, either version 3 of the License, or
fiore@5:  (at your option) any later version.
fiore@5: 
fiore@5:  This program is distributed in the hope that it will be useful,
fiore@5:  but WITHOUT ANY WARRANTY; without even the implied warranty of
fiore@5:  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
fiore@5:  GNU General Public License for more details.
fiore@5: 
fiore@5:  You should have received a copy of the GNU General Public License
fiore@5:  along with this program.  If not, see <http://www.gnu.org/licenses/>.
fiore@5: */ 
fiore@5: 
fiore@5: #pragma once
fiore@5: #include <jni.h>
fiore@5: #include <new>
fiore@5: #include <H3DUtil/Vec3d.h>
fiore@5: 
fiore@5: #include "utils.h"
fiore@5: 
fiore@5: 
fiore@5: /* this class uses the java haptic object lists to provide nodes *
fiore@5:  * and edges to draw to the graphic and haptic managers          */
fiore@5: class CollectionsManager {
fiore@5: public:
fiore@5: 	struct NodeData {
fiore@5: 		jdouble x;
fiore@5: 		jdouble y;
fiore@5: 		jint hapticId;
fiore@5: 		jint diagramId;
fiore@5: 
fiore@5: 		NodeData(){}
fiore@5: 	private :
fiore@5: 		NodeData(const NodeData& n){/* avoid mistakenly copy construction calls */}
fiore@5: 	};
fiore@5: 
fiore@5: 	struct EdgeData{
fiore@5: 		jdouble *x;
fiore@5: 		jdouble *y;
fiore@5: 		bool **adjMatrix;
fiore@5: 		jint hapticId;
fiore@5: 		jint diagramId;
fiore@5: 		jint stipplePattern;
fiore@5: 		jsize nodeStart;
fiore@5: 		jdouble attractPoint[2];
fiore@5: 		void setSize(unsigned int s){
fiore@5: 			size = s;
fiore@5: 			if(s > previousSize){
fiore@5: 				/* delete the old memory */
fiore@5: 				delete [] x;
fiore@5: 				delete [] y;
fiore@5: 				for(unsigned int i=0; i<previousSize; i++)
fiore@5: 					delete[] adjMatrix[i];
fiore@5: 				delete [] adjMatrix;
fiore@5: 				/* allocates a bigger one */
fiore@5: 				try{
fiore@5: 					x = new jdouble[size];
fiore@5: 					y = new jdouble[size];
fiore@5: 					adjMatrix = new  bool* [size];
fiore@5: 					for(unsigned int i=0; i<size; i++){
fiore@5: 						adjMatrix[i] = new bool[size];
fiore@5: 						for(unsigned int j=0; j<size; j++)
fiore@5: 							adjMatrix[i][j] = false;
fiore@5: 					}
fiore@5: 				}catch(std::bad_alloc){
fiore@5: 					stopExecution("Could not allocate memory for the program.\nAborting...");
fiore@5: 				}
fiore@5: 				previousSize = size;
fiore@5: 			}
fiore@5: 		}
fiore@5: 
fiore@5: 		unsigned int getSize() const {
fiore@5: 			return size;
fiore@5: 		}
fiore@5: 
fiore@5: 		EdgeData(unsigned int s) : size(s), previousSize(s){
fiore@5: 			x = new jdouble[size];
fiore@5: 			y = new jdouble[size];
fiore@5: 			adjMatrix = new  bool* [size];
fiore@5: 			for(unsigned int i=0; i<size; i++){
fiore@5: 				adjMatrix[i] = new bool[size];
fiore@5: 				for(unsigned int j=0; j<size; j++)
fiore@5: 					adjMatrix[i][j] = false;
fiore@5: 			}
fiore@5: 		}
fiore@5: 		~EdgeData(){
fiore@5: 			delete [] x;
fiore@5: 			delete [] y;
fiore@5: 			for(unsigned int i=0; i<size; i++)
fiore@5: 				delete[] adjMatrix[i];
fiore@5: 			delete [] adjMatrix;
fiore@5: 		}
fiore@5: 	private :
fiore@5: 		unsigned int size;
fiore@5: 		unsigned int previousSize;
fiore@5: 		EdgeData(const EdgeData& e){ /* avoid mistakenly copy construction */}
fiore@5: 
fiore@5: 	};
fiore@5: private:
fiore@5: 	JNIEnv *env;
fiore@5: 	jobject *haptics;
fiore@5: 
fiore@5: 	jclass hapticClass;
fiore@5: 	jclass hapticNodeClass;
fiore@5: 	jclass hapticEdgeClass;
fiore@5: 	jclass listClass;
fiore@5: 	jclass bitsetClass;
fiore@5: 	jobject nodeList;
fiore@5: 	jobject edgeList;
fiore@5: 	jmethodID getMethodId;
fiore@5: 	jmethodID sizeMethodId;
fiore@5: 	jmethodID getBitMethodId;
fiore@5: 	jfieldID xFieldId;
fiore@5: 	jfieldID yFieldId;
fiore@5: 	jfieldID nodeHapticIdFieldId;
fiore@5: 	jfieldID edgeHapticIdFieldId;
fiore@5: 	jfieldID nodeDiagramIdFieldId;
fiore@5: 	jfieldID edgeDiagramIdFieldId;
fiore@5: 	jfieldID nodeListfieldId;
fiore@5: 	jfieldID stipplePatternfieldId;
fiore@5: 	jfieldID edgeListfieldId;
fiore@5: 	jfieldID edgeSizefieldId;
fiore@5: 	jfieldID edgeXsFieldId;
fiore@5: 	jfieldID edgeYsFieldId;
fiore@5: 	jfieldID edgeAdjMatrixFieldId;
fiore@5: 	jfieldID attractPointXFieldId;
fiore@5: 	jfieldID attractPointYFieldId;
fiore@5: 	jfieldID edgeNodeStartFieldId;
fiore@5: 
fiore@5: 	
fiore@5: 	int screenHeight;
fiore@5: 	int screenWidth;
fiore@5: 	NodeData nd;
fiore@5: 	EdgeData ed;
fiore@5: 	
fiore@5: 	void fillupNodeData(struct NodeData & nd, jobject & currentNode);
fiore@5: 	void fillupEdgeData(struct EdgeData & ed, jobject & currentEdge);
fiore@5: public:
fiore@5: 	CollectionsManager(JNIEnv *environment, jobject *obj) : env(environment), haptics(obj), ed(2){}
fiore@5: 	virtual ~CollectionsManager(void){}
fiore@5: 	const jint getNodesNum();
fiore@5: 	const jint getEdgesNum();
fiore@5: 	struct NodeData & getNodeData(const int i);
fiore@5: 	struct EdgeData & getEdgeData(const int i);
fiore@5: 	inline int getScreenHeight() const { return screenHeight;}
fiore@5: 	inline void setScreenHeight(const int sh) { screenHeight = sh; }
fiore@5: 	inline int getScreenWidth() const { return screenWidth;}
fiore@5: 	inline void setScreenWidth(const int sw) { screenWidth = sw; }
fiore@5: 	void init(void);
fiore@5: };