如何从解析的文本文件传递数据并将值插入javafx中的ObservableList？ [英] how to pass data from parsed text file and insert the values to ObservableList in javafx?
本文介绍了如何从解析的文本文件传递数据并将值插入javafx中的ObservableList？的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
文字档内容
gr.spinellis.ckjm.ClassVisitor 13 2 0 14 74 34 2 9
gr.spinellis.ckjm.ClassMetricsContainer 3 1 0 3 18 0 2 2
gr.spinellis.ckjm.MetricsFilter 7 1 0 6 30 11 2 5
gr.spinellis.ckjm.PrintPlainResults 2 1 0 2 8 0 1 2
gr.spinellis.ckjm.MethodVisitor 11 2 0 21 40 0 1 8
gr.spinellis。 ckjm.CkjmOutputHandler 1 1 0 1 1 0 3 1
我解析文本文件，以有组织的方式查看值，
解析运行良好，现在我想把从文本文件中获得的值传递给TableView。
这是我的代码
import java.io.BufferedReader;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import javafx.application.Application;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.Event;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.chart.PieChart;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.TableView.TableViewSelectionModel;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class show_TableView extends应用程序{
public TableView<指标> tableView = new TableView< Metrics>（）;
private ObservableList<指标> dataList = FXCollections.observableArrayList（
// /做这样的新Metrics（名称，WMC，DIT，NOC，CBO，RFC，LCOM，Ce，NPM），
// i希望添加度量标准ADDED DYNAMICALLY之后的文件被分析
）;
ObservableList< PieChart.Data> pieChartData = FXCollections
.observableArrayList（
new PieChart.Data（CBO，m.getCBO（）），
new PieChart.Data（Ce，m.getCe
new PieChart.Data（DIT，m.getDIT（）），
new PieChart.Data（LCOM，m.getLCOM（）），
new PieChart.Data NOC，m.getNOC（）），
new PieChart.Data（NPM，m.getNPM（）），
new PieChart.Data（WMC，m.getWMC ;
c.setData（pieChartData）;
public static void main（String [] args）{
launch ）;
}
@Override
public void start（Stage primaryStage）{
primaryStage.setTitle（java-buddy.blogspot.com）;
Group root = new Group（）;
TableColumn name = new TableColumn（name）;
name.setCellValueFactory（new PropertyValueFactory< Metrics，String>（
name））;
TableColumn WMCCol = new TableColumn（WMC）;
WMCCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
WMC））;
TableColumn DITCol = new TableColumn（DIT）;
DITCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
DIT））;
TableColumn NOCCol = new TableColumn（NOC）;
NOCCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
NOC））;
TableColumn CBOCol = new TableColumn（CBO）;
CBOCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
CBO））;
TableColumn RFCCol = new TableColumn（RFC）;
RFCCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
RFC））;
TableColumn LCOMCol = new TableColumn（LCOM）;
LCOMCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
LCOM））;
TableColumn ceCol = new TableColumn（Ca）;
ceCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
ce））;
TableColumn NPMCol = new TableColumn（NPM）;
NPMCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
NPM））;
primaryStage.setScene（new Scene（root，200，200））;
primaryStage.show（）;
List< Metrics> metric = readMetricFromCSV（C：\\Users\\pavi\\Desktop\\11.txt）;
//让我们打印从CSV文件读取的所有指标
for（Metrics m：metric）{
System.out.println（m）;
}
tableView.setItems（FXCollections.observableArrayList（metric））;
tableView.getColumns（）。addAll（name，WMCCol，DITCol，NOCCol，CBOCol，
RFCCol，LCOMCol，ceCol，NPMCol）;
VBox vBox = new VBox（）;
vBox.setMaxSize（600，600）;
vBox.setSpacing（10）;
PieChart c = new PieChart（）;
tableView.setOnMouseClicked（new EventHandler< Event>（）{
@Override
public void handle（Event event）{
c.setData（FXCollections.emptyObservableList ））;
TableViewSelectionModel< Metrics> tableViewSelectionModel = tableView
.selectionModelProperty（）。get（）;
Metrics m = tableViewSelectionModel.getSelectedItem（）;
if（m == null ）{
return;
}
ObservableList< PieChart.Data> pieChartData = FXCollections
.observableArrayList（
new PieChart.Data（CBO，m.getCBO ）），
new PieChart.Data（Ce，m.getCe（）），
new PieChart.Data（DIT，m.getDIT（）），
new PieChart。数据（LCOM，m.getLCOM（）），
new PieChart.Data（NOC，m.getNOC（）），
new PieChart.Data（NPM，m.getNPM ）），
new PieChart.Data（WMC，m.getWMC（）））;
c.setData（pieChartData）;
}
}）;
vBox.getChildren（）。add（tableView）;
vBox.getChildren（）。add（c）;
root.getChildren（）。add（vBox）;
}
public List< Metrics> readMetricFromCSV（String fileName）{
List< Metrics> metricsss = new ArrayList<>（）;
路径pathToFile = Paths.get（fileName）;
//创建一个BufferedReader的实例
//使用try with resource，Java 7功能来关闭资源
try（BufferedReader br = Files.newBufferedReader（pathToFile，
StandardCharsets.US_ASCII ））{
//从文本文件中读取第一行
String line = br.readLine（）;
while（line！= null&&！line.isEmpty（））{//循环直到所有行
//读取
String [] attributes = line.split ）; //文件，使用
//逗号作为
//分隔符
Metrics valueOfMetric = createMetric（attributes）;
metricsss.add（valueOfMetric）; //将度量添加到ArrayList中
//跳过空行
// line.isEmpty（）|| line.trim（）。equals（）||
// line.trim（）。equals（\\\
））
br.readLine（）;
line = br.readLine（）;
}
} catch（IOException ioe）{
ioe.printStackTrace（）;
}
return metricsss;
}
private Metrics createMetric（String [] metadata）{
String name = metadata [0];
int WMC = Integer.parseInt（metadata [1]）;
int DIT = Integer.parseInt（metadata [2]）;
int NOC = Integer.parseInt（metadata [3]）;
int CBO = Integer.parseInt（metadata [4]）;
int RFC = Integer.parseInt（metadata [5]）;
int LCOM = Integer.parseInt（metadata [6]）;
int Ce = Integer.parseInt（metadata [7]）;
int NPM = Integer.parseInt（metadata [8]）;
return new Metrics（name，WMC，DIT，NOC，CBO，RFC，LCOM，Ce，NPM）; //，cc
}
public class指标{
私有字符串名称;
private int WMC;
private int DIT;
private int NOC;
private int CBO;
private int RFC;
private int LCOM;
private int Ce;
private int NPM;
public Metrics（String name，int WMC，int DIT，int NOC，int CBO，int RFC，int LCOM，int Ce，int NPM）{
this.name = name;
this.WMC = WMC;
this.DIT = DIT;
this.NOC = NOC;
this.CBO = CBO;
this.RFC = RFC;
this.LCOM = LCOM;
this.Ce = Ce;
this.NPM = NPM;
}
public String getName（）{
return name;
}
public void setName（String name）{
this.name = name;
}
public int getWMC（）{
return WMC;
}
public void setWMC（int WMC）{
this.WMC = WMC;
}
public int getDIT（）{
return DIT;
}
public void setDIT（int DIT）{
this.DIT = DIT;
}
public int getNOC（）{
return NOC;
}
public void setNOC（int NOC）{
this.NOC = NOC;
}
public int getCBO（）{
return CBO;
}
public void setCBO（int CBO）{
this.CBO = CBO;
}
public int getRFC（）{
return RFC;
}
public void setRFC（int RFC）{
this.RFC = RFC;
}
public int getLCOM（）{
return LCOM;
}
public void setLCOM（int LCOM）{
this.LCOM = LCOM;
}
public int getCe（）{
return Ce;
}
public void setCe（int ce）{
Ce = ce;
}
public int getNPM（）{
return NPM;
}
public void setNPM（int NPM）{
this.NPM = NPM;
}
}
}
解决方案
tableView.setItems（FXCollections.observableArrayList（metric））; // added
我添加了上面的代码行以使用列表创建observaleList
br.readLine（）; //这里读取extraline
String line1 = null;
//从文本文件中读取第一行
String line = br.readLine（）;
while（line！= null）{
上面的条件是worng如果行为空？我也改变了这一点（对不起，我不知道我不知道这么多英语）
@覆盖
public void start（Stage primaryStage）{
primaryStage.setTitle（java-buddy.blogspot.com）;
Group root = new Group（）;
TableColumn name = new TableColumn（name）;
name.setCellValueFactory（new PropertyValueFactory< Metrics，String>（
name））;
TableColumn WMCCol = new TableColumn（WMC）;
WMCCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
WMC））;
TableColumn DITCol = new TableColumn（DIT）;
DITCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
DIT））;
TableColumn NOCCol = new TableColumn（NOC）;
NOCCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
NOC））;
TableColumn CBOCol = new TableColumn（CBO）;
CBOCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
CBO））;
TableColumn RFCCol = new TableColumn（RFC）;
RFCCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
RFC））;
TableColumn LCOMCol = new TableColumn（LCOM）;
LCOMCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
LCOM））;
TableColumn ceCol = new TableColumn（Ca）;
ceCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
ce））;
TableColumn NPMCol = new TableColumn（NPM）;
NPMCol.setCellValueFactory（new PropertyValueFactory< Metrics，Double>（
NPM））;
primaryStage.setScene（new Scene（root，200，200））;
primaryStage.show（）;
List< Metrics> metric = readMetricFromCSV（C：\\Users\\pavi\\Desktop\\11.txt）;
//让我们打印从CSV文件读取的所有指标
for（Metrics m：metric）{
System.out.println（m）;
}
tableView.setItems（FXCollections.observableArrayList（metric））;
tableView.getColumns（）。addAll（name，WMCCol，DITCol，NOCCol，CBOCol，
RFCCol，LCOMCol，ceCol，NPMCol）;
VBox vBox = new VBox（）;
vBox.setMaxSize（600，600）;
vBox.setSpacing（10）;
PieChart c = new PieChart（）;
tableView.setOnMouseClicked（new EventHandler< Event>（）{
@Override
public void handle（Event event）{
c.setData（FXCollections.emptyObservableList ））;
TableViewSelectionModel< Metrics> tableViewSelectionModel = tableView
.selectionModelProperty（）。get（）;
Metrics m = tableViewSelectionModel.getSelectedItem（）;
if（m == null ）{
return;
}
ObservableList< PieChart.Data> pieChartData = FXCollections
.observableArrayList（
new PieChart.Data（CBO，m.getCBO ）），
new PieChart.Data（Ce，m.getCe（）），
new PieChart.Data（DIT，m.getDIT（）），
new PieChart。数据（LCOM，m.getLCOM（）），
new PieChart.Data（NOC，m.getNOC（）），
new PieChart.Data（NPM，m.getNPM ）），
new PieChart.Data（WMC，m.getWMC（）））;
c.setData（pieChartData）;
}
}）;
vBox.getChildren（）。add（tableView）;
vBox.getChildren（）。add（c）;
root.getChildren（）。add（vBox）;
}
public List< Metrics> readMetricFromCSV（String fileName）{
List< Metrics> metricsss = new ArrayList<>（）;
路径pathToFile = Paths.get（fileName）;
//创建一个BufferedReader的实例
//使用try with resource，Java 7功能来关闭资源
try（BufferedReader br = Files.newBufferedReader（pathToFile，
StandardCharsets.US_ASCII ））{
//从文本文件中读取第一行
String line = br.readLine（）;
while（line！= null&&！line.isEmpty（））{//循环直到所有行
//读取
String [] attributes = line.split ）; //文件，使用
//逗号作为
//分隔符
Metrics valueOfMetric = createMetric（attributes）;
metricsss.add（valueOfMetric）; //将度量添加到ArrayList中
//跳过空行
// line.isEmpty（）|| line.trim（）。equals（）||
// line.trim（）。equals（\\\
））
br.readLine（）;
line = br.readLine（）;
}
} catch（IOException ioe）{
ioe.printStackTrace（）;
}
return metricsss;
}
对于图表，我们需要将数据设置为pieChart.setData（pieChartData）;
ObservableList< PieChart.Data> pieChartData = FXCollections
.observableArrayList（
new PieChart.Data（CBO，m.getCBO（）），
new PieChart.Data（Ce，m.getCe
new PieChart.Data（DIT，m.getDIT（）），
new PieChart.Data（LCOM，m.getLCOM（）），
new PieChart.Data NOC，m.getNOC（）），
new PieChart.Data（NPM，m.getNPM（）），
new PieChart.Data（WMC，m.getWMC ;
c.setData（pieChartData）;
content of text file
gr.spinellis.ckjm.ClassVisitor 13 2 0 14 74 34 2 9
gr.spinellis.ckjm.ClassMetricsContainer 3 1 0 3 18 0 2 2
gr.spinellis.ckjm.MetricsFilter 7 1 0 6 30 11 2 5
gr.spinellis.ckjm.PrintPlainResults 2 1 0 2 8 0 1 2
gr.spinellis.ckjm.MethodVisitor 11 2 0 21 40 0 1 8
gr.spinellis.ckjm.CkjmOutputHandler 1 1 0 1 1 0 3 1
i am parsing text file and then i want to view the values in organized way ,
the parsing works well , now i want to put the values i get from text file to TableView .
this is my code
package show;
import java.io.BufferedReader;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import javafx.application.Application;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.Event;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.chart.PieChart;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.TableView.TableViewSelectionModel;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class show_TableView extends Application {
public TableView < Metrics > tableView = new TableView<Metrics>();
private ObservableList< Metrics > dataList = FXCollections.observableArrayList(
// /do something like this new Metrics(name,WMC,DIT,NOC ,CBO,RFC,LCOM , Ce, NPM),
// i want to add Metrics ADDED DYNAMICALLY after file is parsed
);
ObservableList<PieChart.Data> pieChartData = FXCollections
.observableArrayList(
new PieChart.Data("CBO", m.getCBO()),
new PieChart.Data("Ce", m.getCe()),
new PieChart.Data("DIT", m.getDIT()),
new PieChart.Data("LCOM", m.getLCOM()),
new PieChart.Data("NOC", m.getNOC()),
new PieChart.Data("NPM", m.getNPM()),
new PieChart.Data("WMC", m.getWMC()));
c.setData(pieChartData);
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) {
primaryStage.setTitle("java-buddy.blogspot.com");
Group root = new Group();
TableColumn name = new TableColumn("name");
name.setCellValueFactory(new PropertyValueFactory<Metrics, String>(
"name"));
TableColumn WMCCol = new TableColumn("WMC");
WMCCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"WMC"));
TableColumn DITCol = new TableColumn("DIT");
DITCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"DIT"));
TableColumn NOCCol = new TableColumn("NOC");
NOCCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"NOC"));
TableColumn CBOCol = new TableColumn("CBO");
CBOCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"CBO"));
TableColumn RFCCol = new TableColumn("RFC");
RFCCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"RFC"));
TableColumn LCOMCol = new TableColumn("LCOM");
LCOMCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"LCOM"));
TableColumn ceCol = new TableColumn("Ca");
ceCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"ce"));
TableColumn NPMCol = new TableColumn("NPM");
NPMCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"NPM"));
primaryStage.setScene(new Scene(root, 200, 200));
primaryStage.show();
List<Metrics> metric = readMetricFromCSV("C:\\Users\\pavi\\Desktop\\11.txt");
// let's print all the metric read from CSV file
for (Metrics m : metric) {
System.out.println(m);
}
tableView.setItems(FXCollections.observableArrayList(metric));
tableView.getColumns().addAll(name, WMCCol, DITCol, NOCCol, CBOCol,
RFCCol, LCOMCol, ceCol, NPMCol);
VBox vBox = new VBox();
vBox.setMaxSize(600, 600);
vBox.setSpacing(10);
PieChart c = new PieChart();
tableView.setOnMouseClicked(new EventHandler<Event>() {
@Override
public void handle(Event event) {
c.setData(FXCollections.emptyObservableList());
TableViewSelectionModel<Metrics> tableViewSelectionModel = tableView
.selectionModelProperty().get();
Metrics m = tableViewSelectionModel.getSelectedItem();
if(m==null){
return;
}
ObservableList<PieChart.Data> pieChartData = FXCollections
.observableArrayList(
new PieChart.Data("CBO", m.getCBO()),
new PieChart.Data("Ce", m.getCe()),
new PieChart.Data("DIT", m.getDIT()),
new PieChart.Data("LCOM", m.getLCOM()),
new PieChart.Data("NOC", m.getNOC()),
new PieChart.Data("NPM", m.getNPM()),
new PieChart.Data("WMC", m.getWMC()));
c.setData(pieChartData);
}
});
vBox.getChildren().add(tableView);
vBox.getChildren().add(c);
root.getChildren().add(vBox);
}
public List<Metrics> readMetricFromCSV(String fileName) {
List<Metrics> metricsss = new ArrayList<>();
Path pathToFile = Paths.get(fileName);
// create an instance of BufferedReader
// using try with resource, Java 7 feature to close resources
try (BufferedReader br = Files.newBufferedReader(pathToFile,
StandardCharsets.US_ASCII)) {
// read the first line from the text file
String line = br.readLine();
while (line != null && !line.isEmpty()) { // loop until all lines
// are read
String[] attributes = line.split(" "); // the file, using a
// comma as the
// delimiter
Metrics valueOfMetric = createMetric(attributes);
metricsss.add(valueOfMetric); // adding metric into ArrayList
// skip empty line
// line.isEmpty() || line.trim().equals("") ||
// line.trim().equals("\n"))
br.readLine();
line = br.readLine();
}
} catch (IOException ioe) {
ioe.printStackTrace();
}
return metricsss;
}
private Metrics createMetric(String[] metadata) {
String name = metadata[0];
int WMC = Integer.parseInt(metadata[1]);
int DIT = Integer.parseInt(metadata[2]);
int NOC = Integer.parseInt(metadata[3]);
int CBO = Integer.parseInt(metadata[4]);
int RFC = Integer.parseInt(metadata[5]);
int LCOM= Integer.parseInt(metadata[6]);
int Ce = Integer.parseInt(metadata[7]);
int NPM = Integer.parseInt(metadata[8]);
return new Metrics(name,WMC,DIT,NOC,CBO,RFC,LCOM,Ce,NPM);//,cc
}
public class Metrics {
private String name;
private int WMC;
private int DIT;
private int NOC;
private int CBO;
private int RFC;
private int LCOM;
private int Ce;
private int NPM;
public Metrics( String name,int WMC,int DIT,int NOC,int CBO,int RFC,int LCOM, int Ce, int NPM) {
this.name = name;
this.WMC = WMC;
this.DIT = DIT;
this.NOC = NOC;
this.CBO = CBO;
this.RFC = RFC;
this.LCOM = LCOM;
this.Ce = Ce;
this.NPM = NPM;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getWMC() {
return WMC;
}
public void setWMC(int WMC) {
this.WMC = WMC;
}
public int getDIT() {
return DIT;
}
public void setDIT(int DIT) {
this.DIT = DIT;
}
public int getNOC() {
return NOC;
}
public void setNOC(int NOC) {
this.NOC = NOC;
}
public int getCBO() {
return CBO;
}
public void setCBO(int CBO) {
this.CBO = CBO;
}
public int getRFC() {
return RFC;
}
public void setRFC(int RFC) {
this.RFC = RFC;
}
public int getLCOM() {
return LCOM;
}
public void setLCOM(int LCOM) {
this.LCOM = LCOM;
}
public int getCe() {
return Ce;
}
public void setCe(int ce) {
Ce = ce;
}
public int getNPM() {
return NPM;
}
public void setNPM(int NPM) {
this.NPM = NPM;
}
}
}
解决方案
tableView.setItems(FXCollections.observableArrayList(metric));//added
I have added above line of code to create observaleList using list
br.readLine();//removed here this read extraline
String line1=null;
// read the first line from the text file
String line = br.readLine();
while (line != null) {
above condition is worng what if line is empty ? I have changed this too.(sorry for not explaing I dont know that much english)
@Override
public void start(Stage primaryStage) {
primaryStage.setTitle("java-buddy.blogspot.com");
Group root = new Group();
TableColumn name = new TableColumn("name");
name.setCellValueFactory(new PropertyValueFactory<Metrics, String>(
"name"));
TableColumn WMCCol = new TableColumn("WMC");
WMCCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"WMC"));
TableColumn DITCol = new TableColumn("DIT");
DITCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"DIT"));
TableColumn NOCCol = new TableColumn("NOC");
NOCCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"NOC"));
TableColumn CBOCol = new TableColumn("CBO");
CBOCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"CBO"));
TableColumn RFCCol = new TableColumn("RFC");
RFCCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"RFC"));
TableColumn LCOMCol = new TableColumn("LCOM");
LCOMCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"LCOM"));
TableColumn ceCol = new TableColumn("Ca");
ceCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"ce"));
TableColumn NPMCol = new TableColumn("NPM");
NPMCol.setCellValueFactory(new PropertyValueFactory<Metrics, Double>(
"NPM"));
primaryStage.setScene(new Scene(root, 200, 200));
primaryStage.show();
List<Metrics> metric = readMetricFromCSV("C:\\Users\\pavi\\Desktop\\11.txt");
// let's print all the metric read from CSV file
for (Metrics m : metric) {
System.out.println(m);
}
tableView.setItems(FXCollections.observableArrayList(metric));
tableView.getColumns().addAll(name, WMCCol, DITCol, NOCCol, CBOCol,
RFCCol, LCOMCol, ceCol, NPMCol);
VBox vBox = new VBox();
vBox.setMaxSize(600, 600);
vBox.setSpacing(10);
PieChart c = new PieChart();
tableView.setOnMouseClicked(new EventHandler<Event>() {
@Override
public void handle(Event event) {
c.setData(FXCollections.emptyObservableList());
TableViewSelectionModel<Metrics> tableViewSelectionModel = tableView
.selectionModelProperty().get();
Metrics m = tableViewSelectionModel.getSelectedItem();
if(m==null){
return;
}
ObservableList<PieChart.Data> pieChartData = FXCollections
.observableArrayList(
new PieChart.Data("CBO", m.getCBO()),
new PieChart.Data("Ce", m.getCe()),
new PieChart.Data("DIT", m.getDIT()),
new PieChart.Data("LCOM", m.getLCOM()),
new PieChart.Data("NOC", m.getNOC()),
new PieChart.Data("NPM", m.getNPM()),
new PieChart.Data("WMC", m.getWMC()));
c.setData(pieChartData);
}
});
vBox.getChildren().add(tableView);
vBox.getChildren().add(c);
root.getChildren().add(vBox);
}
public List<Metrics> readMetricFromCSV(String fileName) {
List<Metrics> metricsss = new ArrayList<>();
Path pathToFile = Paths.get(fileName);
// create an instance of BufferedReader
// using try with resource, Java 7 feature to close resources
try (BufferedReader br = Files.newBufferedReader(pathToFile,
StandardCharsets.US_ASCII)) {
// read the first line from the text file
String line = br.readLine();
while (line != null && !line.isEmpty()) { // loop until all lines
// are read
String[] attributes = line.split(" "); // the file, using a
// comma as the
// delimiter
Metrics valueOfMetric = createMetric(attributes);
metricsss.add(valueOfMetric); // adding metric into ArrayList
// skip empty line
// line.isEmpty() || line.trim().equals("") ||
// line.trim().equals("\n"))
br.readLine();
line = br.readLine();
}
} catch (IOException ioe) {
ioe.printStackTrace();
}
return metricsss;
}
for charts we need create data set to pieChart.setData(pieChartData); Reff the like bellow image you ll understand
ObservableList<PieChart.Data> pieChartData = FXCollections
.observableArrayList(
new PieChart.Data("CBO", m.getCBO()),
new PieChart.Data("Ce", m.getCe()),
new PieChart.Data("DIT", m.getDIT()),
new PieChart.Data("LCOM", m.getLCOM()),
new PieChart.Data("NOC", m.getNOC()),
new PieChart.Data("NPM", m.getNPM()),
new PieChart.Data("WMC", m.getWMC()));
c.setData(pieChartData);
这篇关于如何从解析的文本文件传递数据并将值插入javafx中的ObservableList？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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