string-id graph read and construct

@@ -17,7 +17,8 @@ NodeItem::NodeItem(int x, int y)
 {
 	this->x = x;
 	this->y = y;
-	this->color = QColor(0, 0, 0);	//R, G, B
+	//this->color = QColor(Qt::green);	//R, G, B
+	this->color = QColor(Qt::green);
 	setZValue((x+y)%2);
 	
 	setFlags(ItemIsSelectable | ItemIsMovable);
@@ -26,13 +27,14 @@ NodeItem::NodeItem(int x, int y)
 
 QRectF NodeItem::boundingRect() const
 {
-	return QRectF(0, 0, 110, 70);
+	return QRectF(0, 0, NODE_SIZE, NODE_SIZE);
 }
 
 QPainterPath NodeItem::shape() const
 {
 	QPainterPath path;
-	path.addRect(14, 14, 82, 42);
+	//path.addRect(14, 14, 82, 42);
+	path.addRect(0, 0, NODE_SIZE, NODE_SIZE);
 	return path;
 }
 
@@ -40,43 +42,51 @@ void NodeItem::paint(QPainter * painter, const QStyleOptionGraphicsItem * option
 {
 	Q_UNUSED(widget);
 
+	//QColor fillColor = (option->state & QStyle::State_Selected) ? color.dark(150) : color;
+	//if (option->state & QStyle::State_MouseOver)
+	//	fillColor = fillColor.light(125);
+
+	//const qreal& lod = option->levelOfDetailFromTransform(painter->worldTransform());
+	//if (lod < 0.2) {
+	//	if (lod < 0.125) {
+	//		painter->fillRect(QRectF(0, 0, 110, 70), fillColor);
+	//		return;
+	//	}
+
+	//	QBrush b = painter->brush();
+	//	painter->setBrush(fillColor);
+	//	painter->drawRect(13, 13, 97, 57);
+	//	painter->setBrush(b);
+	//	return;
+	//}
+
+	//QPen oldPen = painter->pen();
+	//QPen pen = oldPen;
+	//int width = 0;
+	//if (option->state & QStyle::State_Selected)
+	//	width += 2;
+
+	//pen.setWidth(width);
+	//QBrush b = painter->brush();
+	//painter->setBrush(QBrush(fillColor.dark(option->state & QStyle::State_Sunken ? 120 : 100)));
+
+	//painter->drawRect(QRect(14, 14, 79, 39));
+	//painter->setBrush(b);
+
+	//if (lod >= 1) {
+	//	painter->setPen(QPen(Qt::gray, 1));
+	//	painter->drawLine(15, 54, 94, 54);
+	//	painter->drawLine(94, 53, 94, 15);
+	//	painter->setPen(QPen(Qt::black, 0));
+	//}
+
 	QColor fillColor = (option->state & QStyle::State_Selected) ? color.dark(150) : color;
-	if (option->state & QStyle::State_MouseOver)
-		fillColor = fillColor.light(125);
-
-	const qreal& lod = option->levelOfDetailFromTransform(painter->worldTransform());
-	if (lod < 0.2) {
-		if (lod < 0.125) {
-			painter->fillRect(QRectF(0, 0, 110, 70), fillColor);
-			return;
-		}
-
-		QBrush b = painter->brush();
-		painter->setBrush(fillColor);
-		painter->drawRect(13, 13, 97, 57);
-		painter->setBrush(b);
-		return;
-	}
-
-	QPen oldPen = painter->pen();
-	QPen pen = oldPen;
-	int width = 0;
-	if (option->state & QStyle::State_Selected)
-		width += 2;
-
-	pen.setWidth(width);
-	QBrush b = painter->brush();
-	painter->setBrush(QBrush(fillColor.dark(option->state & QStyle::State_Sunken ? 120 : 100)));
-
-	painter->drawRect(QRect(14, 14, 79, 39));
-	painter->setBrush(b);
-
-	if (lod >= 1) {
-		painter->setPen(QPen(Qt::gray, 1));
-		painter->drawLine(15, 54, 94, 54);
-		painter->drawLine(94, 53, 94, 15);
-		painter->setPen(QPen(Qt::black, 0));
-	}
+	if (option->state & QStyle::State_MouseOver) fillColor = fillColor.light(125);
+	painter->setPen(QPen(Qt::black));
+	painter->setBrush(QBrush(fillColor));
+	painter->drawRect(0, 0, NODE_SIZE, NODE_SIZE);
+	//painter->fillRect(QRectF(0, 0, NODE_SIZE, NODE_SIZE), fillColor);
+	//painter->drawRect(0, 0, NODE_SIZE, NODE_SIZE);
 
 	// Draw text
 	//if (lod >= 2) {

@@ -28,4 +28,4 @@ public:
 	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
 };
 
-#endif // NODEITEM_H
\ No newline at end of file
+#endif // NODEITEM_H

@@ -60,9 +60,13 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <OutDir>$(SolutionDir)$(Platform)\$(Configuration)\</OutDir>
+    <IncludePath>C:\boost\boost_1_63_0;$(IncludePath)</IncludePath>
+    <LibraryPath>C:\boost\boost_1_63_0\stage\lib;$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <OutDir>$(SolutionDir)$(Platform)\$(Configuration)\</OutDir>
+    <IncludePath>C:\boost\boost_1_63_0;$(IncludePath)</IncludePath>
+    <LibraryPath>C:\boost\boost_1_63_0\stage\lib;$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <OutDir>$(SolutionDir)$(Platform)\$(Configuration)\</OutDir>
@@ -84,7 +88,7 @@
       <TreatWChar_tAsBuiltInType>true</TreatWChar_tAsBuiltInType>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <OutputFile>$(OutDir)\$(ProjectName).exe</OutputFile>
       <AdditionalLibraryDirectories>$(QTDIR)\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -101,7 +105,7 @@
       <TreatWChar_tAsBuiltInType>true</TreatWChar_tAsBuiltInType>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <OutputFile>$(OutDir)\$(ProjectName).exe</OutputFile>
       <AdditionalLibraryDirectories>$(QTDIR)\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -117,7 +121,7 @@
       <TreatWChar_tAsBuiltInType>true</TreatWChar_tAsBuiltInType>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <OutputFile>$(OutDir)\$(ProjectName).exe</OutputFile>
       <AdditionalLibraryDirectories>$(QTDIR)\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>false</GenerateDebugInformation>
@@ -133,7 +137,7 @@
       <TreatWChar_tAsBuiltInType>true</TreatWChar_tAsBuiltInType>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <OutputFile>$(OutDir)\$(ProjectName).exe</OutputFile>
       <AdditionalLibraryDirectories>$(QTDIR)\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>false</GenerateDebugInformation>

@@ -14,22 +14,27 @@ PaperGraphWidget::PaperGraphWidget(QWidget *parent)
 	layout->addWidget(view);
 	setLayout(layout);
 
-	setWindowTitle(tr("Paper Graph Visualization"));
+	setWindowTitle(tr("dblp paper graph visualization"));
+}
+
+void PaperGraphWidget::print_graph(const Graph & graph)
+{
+	//print graph
 }
 
 void PaperGraphWidget::initscene()
 {
 	scene = new QGraphicsScene(this);
 
-	int x = 0, y;
-	for (int i=-11000; i<11000; i+=110) {
-		++x;
-		y = 0;
-		for (int j=-7000; j<7000; j+=70) {
-			++y;
-			QGraphicsItem *item = new NodeItem(x, y);
-			item->setPos(QPointF(i, j));
-			scene->addItem(item);
-		}
-	}
+	//int x = 0, y;
+	//for (int i=-11000; i<11000; i+=110) {
+	//	++x;
+	//	y = 0;
+	//	for (int j=-7000; j<7000; j+=70) {
+	//		++y;
+	//		QGraphicsItem *item = new NodeItem(x, y);
+	//		item->setPos(QPointF(i, j));
+	//		scene->addItem(item);
+	//	}
+	//}
 }

@@ -3,9 +3,42 @@
 
 #include <QtWidgets/QWidget>
 #include <QGraphicsScene>
+
+#include <boost/graph/adjacency_list.hpp>
+#include <boost/graph/kamada_kawai_spring_layout.hpp>
+#include <boost/graph/random_layout.hpp>
+
 #include "ui_PaperGraphWidget.h"
 
-//class QGraphicsScene;
+
+using namespace boost;
+
+
+enum vertex_position_t { vertex_position };
+//enum vertex_type_t { vertex_type };
+namespace boost {
+	BOOST_INSTALL_PROPERTY(vertex, position);
+	//BOOST_INSTALL_PROPERTY(vertex, type);
+}
+typedef square_topology<>::point_type point;
+struct simple_edge {
+	int first, second;
+};
+typedef boost::property<vertex_index_t, int,
+	boost::property<vertex_name_t, std::string,
+	boost::property<vertex_position_t, point>>
+> VertexProperties;
+typedef adjacency_list<
+	listS,	//outEdgeList
+	listS,	//VertexList
+	undirectedS,
+	//vertex properties
+	//VertexProperties,
+	VertexProperties,
+	//edge properties
+	boost::property<edge_weight_t, double>
+> Graph;
+
 
 class PaperGraphWidget : public QWidget
 {
@@ -13,6 +46,7 @@ class PaperGraphWidget : public QWidget
 
 public:
 	PaperGraphWidget(QWidget *parent = 0);
+	void print_graph(const Graph& graph);
 
 private:
 	void initscene();

 #include "PaperGraphWidget.h"
 #include <QtWidgets/QApplication>
+#include <QDebug>
+
+#include <algorithm>
+#include <exception>
+#include <fstream>
+#include <iterator>
+#include <string>
+#include <map>
+#include <vector>
+
+#include <boost/algorithm/string.hpp>	//boost::split
+//#include <boost/bind.hpp>
+#include <boost/bimap.hpp>
+
+using namespace std;
+
+
+const string PAPER_FILENAME = "dblp-paper.txt";
+
+Graph read_graph(ifstream& in) {
+	/**
+	 *	Parse Paper dataset
+	 *	- paper_key, [author_list], publish_year
+	 *	Column Delimiter:		||
+	 *	Author list Delimiter:	&&
+	 */
+	std::string line;
+	vector<std::string> tokens;
+	vector<std::string> authors;
+	vector<pair<string, string>> edges;
+
+	typedef boost::bimap<string, int> bm_type;
+	bm_type node_ids;
+	vector<simple_edge> edges_indexes;
+	int node_cnt = 0;
+	qDebug() << "* graph reading start" << endl;
+	while (std::getline(in, line) && !line.empty()) {
+		boost::split(tokens, line, boost::is_any_of("||"), boost::token_compress_on);
+		boost::split(authors, tokens[1], boost::is_any_of("&&"), boost::token_compress_on);
+		
+		const string& paper_key = tokens[0];
+		if (node_ids.left.find(paper_key) == node_ids.left.end()) {
+			//node_ids[paper_key] = node_cnt++;
+			node_ids.insert(bm_type::value_type(paper_key, node_cnt++));
+			//qDebug() << paper_key.c_str() << " ";
+		}
+
+		for (auto author : authors) {
+			edges.push_back(pair<string, string>(paper_key, author));
+			if (node_ids.left.find(author) == node_ids.left.end()) {
+				//node_ids[author] = node_cnt++;
+				node_ids.insert(bm_type::value_type(author, node_cnt++));
+				//qDebug() << author.c_str() << " ";
+
+			}
+		}
+
+
+		//debug
+		if (node_cnt > 100) break;
+	}
+	qDebug() << "* graph reading complete" << endl;
+
+	//std::sort(node_names.begin(), node_names.end());
+
+	//Make graph
+	//Graph --> defined in "PaperGraphWidget.h"
+	
+	for (auto edge : edges) {
+		edges_indexes.push_back({
+			node_ids.left.find(edge.first)->get_right(),
+			node_ids.left.find(edge.second)->get_right()
+		});
+	}
+	Graph graph(edges_indexes.begin(), edges_indexes.end(), node_ids.size());
+
+	//print map
+	//for (auto it=node_ids.left.begin(), itend=node_ids.left.end();
+	//	it!=itend; ++it) {
+	//	qDebug() << it->first.c_str() << " " << it->second << endl;
+	//}
+
+	//set index property
+	typedef typename graph_traits<Graph>::edge_iterator edge_iterator;
+	typedef typename graph_traits<Graph>::vertex_iterator vertex_iterator;
+	vertex_iterator vi, vi_end;
+	int i = 0;
+	for (boost::tie(vi, vi_end)=vertices(graph); vi!=vi_end; ++vi) {
+		boost::put(vertex_index, graph, *vi, i);
+		boost::put(vertex_name, graph, *vi,
+			node_ids.right.find(i)->get_left());
+		//VertexProperties prop = VertexProperties(i,
+		//	boost::property<vertex_name_t, std::string,
+		//	boost::property<vertex_position_t, point>>());
+
+		++i;
+	}
+
+
+	//for (auto edge : edges) {
+	//	//add edge
+	//	//VertexProperties prop = VertexProperties()
+	//	//add_edge(node_ids[edge.first], node_ids[edge.second],);
+	//}
+
+	//make graph layout
+
+
+	return graph;
+}
 
 int main(int argc, char *argv[])
 {
 	QApplication app(argc, argv);
 	app.setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
-
+	
 	PaperGraphWidget w;
+
+	try {
+		ifstream fin(PAPER_FILENAME);
+		w.print_graph(read_graph(fin));
+		fin.close();
+	} catch (const std::exception& e) {
+		qDebug() << "Error: " << e.what() << endl;
+		return -1;
+	}
+
+
 	w.show();
 
 	return app.exec();