src/sample/Controller.java - master - kiselevivan/javaTestWorkThree

src/sample/Controller.java
89 строк3 KB
Ivan
added calculate
04 авг 2020, 17:39
04 авг 2020, 17:39b777631
package sample;
import com.sun.javafx.scene.control.IntegerField;
import javafx.beans.property.ReadOnlyStringWrapper;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXML;
import javafx.scene.control.*;
import javafx.application.Application;
import javafx.fxml.Initializable;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.util.Callback;
import java.util.concurrent.ThreadLocalRandom;
import java.util.Arrays;

public class Controller {
    @FXML
    private TableView table1;
    @FXML
    private Label labelMax;
    @FXML
    private Label labelMin;

    private Integer[][] arr;
    int max,min;

    public void calculate(){
    if (Math.abs(max/min)==10){
        for(int i=0;i<5;i++)
            for(int j=0;j<5;j++){
                if (arr[i][j]==0)
                    arr[i][j]=1;
                if (arr[i][j]<0)
                    arr[i][j]=Math.abs(arr[i][j]);
            }
        show();
    }
    }

    public void setData(){
        arr= new Integer[5][5];
        max=0;
        min=0;
        for(int i=0;i<5;i++){
            for(int j=0;j<5;j++){
                arr[i][j]=ThreadLocalRandom.current().nextInt(-10, 100 + 1);
                if (arr[i][j]>max)
                    max=arr[i][j];
                if (arr[i][j]<min)
                    min=arr[i][j];
            }
        }
        show();
    }

    public void show(){
        labelMax.setText(String.valueOf(max));
        labelMin.setText(String.valueOf(min));

        ObservableList<Integer[]> observableList = FXCollections.observableArrayList();
        observableList.addAll(Arrays.asList(arr));

        table1.getColumns().clear();
        for (int i = 0; i < arr[0].length; i++) {
            int columnNumber = i;
            TableColumn tableColumn = new TableColumn("C"+String.valueOf(columnNumber+1));
            tableColumn.setPrefWidth(130);

            tableColumn.setCellValueFactory(
                    new Callback<TableColumn.CellDataFeatures<Integer[], Integer>,
                            ObservableValue<String>>()
                    {
                        @Override
                        public ObservableValue<String> call( TableColumn.CellDataFeatures<Integer[],
                                Integer> p )
                        {
                            return new ReadOnlyStringWrapper(
                                    String.valueOf(p.getValue()[columnNumber])
                            );
                        }
                    } );

            table1.getColumns().add(tableColumn);
        }
        table1.setItems(observableList);
    }

}