How can I align the buttons horizontally in Java?

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How can I align the buttons horizontally in Java?

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Hi, I would like to know how I can arrange the buttons horizontally for the next window.

This is my code:

import javax.swing.table.AbstractTableModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.GridLayout;
import java.awt.Dimension;
import java.text.DecimalFormat;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;

public class MatrizGrafica extends JPanel {

    private JTable tabla;

    public MatrizGrafica() {
        super();
        setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
        tabla = new JTable(new MiTablaModelo());
        tabla.setPreferredScrollableViewportSize(new Dimension(900, 200));
        tabla.setFillsViewportHeight(true);
        add(new JScrollPane(tabla));

    }

    static class MiTablaModelo extends AbstractTableModel {
//private String [] dias = {"Nombres","Lunes", "Martes", "Miércoles", "Jueves", "Viernes", "Sábado", "Domingo"};

        private String[] dias = {"Lunes", "Martes", "Miércoles", "Jueves", "Viernes", "Sábado", "Domingo"};
        private String[] nombres = {"Pedro Hernández", "Juan Cardona", "Ana Magaña", "Carlos Soriano", "Roberto Durán", "María López", "Luisa Tobar", "Jorge Escalante", "Roxana Flores", "Rosa Cea"};

//Object [][] datos = {
//{"Pedro Hernández", 123.65, 113.23, 143.23, 131.34, 153.32, 195.34, 125.98},
//{"Juan Cardona",139.56, 139.39, 131.98, 183.47, 162.27, 150.06, 191.84},
//{"Ana Magaña",169.61, 191.91, 119.87, 132.71, 125.21, 107.61, 119.43},
//{"Carlos Soriano", 169.16, 129.29, 151.88, 133.77, 192.27, 160.76, 181.34},
//{"Roberto Durán",159.66, 179.89, 131.98, 198.47, 162.74, 110.55, 153.65},
//{"María López",132.89, 139.76, 183.84, 136.31, 140.46, 171.62, 118.23},
//{"Luisa Tobar",134.46, 145.23, 175.38, 153.73, 184.28, 179.42, 153.07},
//{"Jorge Escalante",172.32, 149.72, 157.61, 128.61, 167.72, 137.71, 174.52},
//{"Roxana Flores", 129.34, 148.63, 193.38, 138.28, 120.52, 154.16, 162.18},
//{"Rosa Cea",137.84, 174.58, 173.73, 117.37, 193.25, 137.15, 127.41}
//};
        Object[][] datos = {
            {123.65, 113.23, 143.23, 131.34, 153.32, 195.34, 125.98},
            {139.56, 139.39, 131.98, 183.47, 162.27, 150.06, 191.84},
            {169.61, 191.91, 119.87, 132.71, 125.21, 107.61, 119.43},
            {169.16, 129.29, 151.88, 133.77, 192.27, 160.76, 181.34},
            {159.66, 179.89, 131.98, 198.47, 162.74, 110.55, 153.65},
            {132.89, 139.76, 183.84, 136.31, 140.46, 171.62, 118.23},
            {134.46, 145.23, 175.38, 153.73, 184.28, 179.42, 153.07},
            {172.32, 149.72, 157.61, 128.61, 167.72, 137.71, 174.52},
            {129.34, 148.63, 193.38, 138.28, 120.52, 154.16, 162.18},
            {137.84, 174.58, 173.73, 117.37, 193.25, 137.15, 127.41}
        };

//tomo el numero de columnas
        public int getColumnCount() {
            return dias.length;
        }

// tomo el numero de filas 
        public int getRowCount() {
            return nombres.length;
        }

// nombre de las columnas
        public String getColumnName(int col) {
            return dias[col];
        }

//nombre de las filas 
        public String getRowName(int fil) {
            return nombres[fil];
        }

        public Object getValueAt(int fil, int col) {
            return datos[fil][col];

        }

    }

    static class Action1 implements ActionListener {

        public void actionPerformed(ActionEvent e) {
            MiTablaModelo modelo = new MiTablaModelo();
            double total = 0.0, prom = 0.0;
            String[] dias = modelo.dias;
            String[] vendedores = modelo.nombres;
            double vMenor = (double) modelo.getValueAt(0, 0);
            int fila = 0, columna = 0, i, j;

            for (i = 0; i < modelo.getRowCount(); i++) {
                for (j = 0; j < modelo.getColumnCount(); j++) {
                    if (vMenor > (double) modelo.getValueAt(i, j)) {
                        vMenor = (double) modelo.getValueAt(i, j);
                        fila = i;
                        columna = j;
                    }
                }
            }

            for (i = 0; i < modelo.getColumnCount(); i++) {
                total += (double) modelo.getValueAt(i, columna);
            }
            prom = total / dias.length;

            DecimalFormat formato = new DecimalFormat("#,##0.00");

            String mensaje = "Venta menor = " + vMenor + "\nDía de la venta = " + dias[columna] + "\nVendedor = "
                    + vendedores[fila] + "\nPromedio de ventas = " + formato.format(prom);

            JOptionPane.showMessageDialog(null, mensaje, "Datos de la venta menor",
                    JOptionPane.INFORMATION_MESSAGE);
        }
    }

    static class Action2 implements ActionListener {

        public void actionPerformed(ActionEvent e) {
            MiTablaModelo modelo = new MiTablaModelo();
            double total = 0.0, prom = 0.0;
            String[] dias = modelo.dias;
            String[] vendedores = modelo.nombres;
            double vMayor = (double) modelo.getValueAt(0, 0);
            int fila = 0, columna = 0, i, j;

            for (i = 0; i < modelo.getRowCount(); i++) {
                for (j = 0; j < modelo.getColumnCount(); j++) {
                    if (vMayor < (double) modelo.getValueAt(i, j)) {
                        vMayor = (double) modelo.getValueAt(i, j);
                        fila = i;
                        columna = j;
                    }
                }
            }

            for (i = 0; i < modelo.getColumnCount(); i++) {
                total += (double) modelo.getValueAt(i, columna);
            }
            prom = total / dias.length;

            DecimalFormat formato = new DecimalFormat("#,##0.00");

            String mensaje = "Venta mayor = " + vMayor + "\nDía de la venta = " + dias[columna] + "\nVendedor = "
                    + vendedores[fila] + "\nPromedio de ventas = " + formato.format(prom);

            JOptionPane.showMessageDialog(null, mensaje, "Datos de la venta mayor",
                    JOptionPane.INFORMATION_MESSAGE);
        }
    }

    static class Action3 implements ActionListener {

        public void actionPerformed(ActionEvent e) {
            MiTablaModelo modelo = new MiTablaModelo();
            double total = 0.0, prom = 0.0;
            int i, j;

            for (i = 0; i < modelo.getRowCount(); i++) {
                for (j = 0; j < modelo.getColumnCount(); j++) {
                    total += (double) modelo.getValueAt(i, j);
                }
            }

            prom = total / (modelo.getRowCount() * modelo.getColumnCount());

            DecimalFormat df = new DecimalFormat("#,##0.00");

            String mensaje = "Promedio general = " + df.format(prom);

            JOptionPane.showMessageDialog(null, mensaje, "Promedio general de ventas",
                    JOptionPane.INFORMATION_MESSAGE);
        }

    }

    static class Action4 implements ActionListener {

        public void actionPerformed(ActionEvent e) {
            MiTablaModelo modelo = new MiTablaModelo();
            double total = 0.0, prom = 0.0;
            String[] dias = modelo.dias;
            String[] vendedores = modelo.nombres;
            double ventasV = (double) modelo.getValueAt(0, 0);
            int fila = 0, columna = 0, i, j;

            for (i = 0; i < modelo.getRowCount(); i++) {

                for (j = 0; j < modelo.getColumnCount(); j++) {

//fila = i ;
//columna = j ;
//}
                }
            }

            for (i = 0; i++ < modelo.getColumnCount(); i++) {

            }
            for (i = 0; i++ < modelo.getColumnCount(); i++) {
                total += (double) modelo.getValueAt(i, columna);
                prom = total;
                DecimalFormat formato = new DecimalFormat("#,##0.00");
                String mensaje = "\nVendedor = " + vendedores[fila] + " Ventas Por Semana = " + formato.format(prom);
                JOptionPane.showMessageDialog(null, mensaje, "Datos de Venta por Vendedor",
                        JOptionPane.INFORMATION_MESSAGE);

            }

        }
    }

    static class Action5 implements ActionListener {

        public void actionPerformed(ActionEvent e) {
            MiTablaModelo modelo = new MiTablaModelo();
            double total = 0.0, prom = 0.0;
            String[] dias = modelo.dias;
            String[] vendedores = modelo.nombres;
            double pMenor = (double) modelo.getValueAt(0, 0);
            int fila = 0, columna = 0, i, j;

            for (i = 0; i < modelo.getRowCount(); i++) {
                for (j = 0; j < modelo.getColumnCount(); j++) {
                    if (pMenor > (double) modelo.getValueAt(i, j)) {
                        pMenor = (double) modelo.getValueAt(i, j);
                        fila = i;
                        columna = j;
                    }
                }
            }

            for (i = 0; i < modelo.getColumnCount(); i++) {
                total += (double) modelo.getValueAt(i, columna);
            }
            prom = total / dias.length;

            DecimalFormat formato = new DecimalFormat("#,##0.00");

            String mensaje = "\nPromedio de ventas = " + formato.format(prom) + "\nDía de la venta = " + dias[columna] + "\nVendedor = "
                    + vendedores[fila];

            JOptionPane.showMessageDialog(null, mensaje, "Datos de Promedio menor",
                    JOptionPane.INFORMATION_MESSAGE);
        }
    }

    static class Action6 implements ActionListener {

        public void actionPerformed(ActionEvent e) {
            MiTablaModelo modelo = new MiTablaModelo();
            double total = 0.0, prom = 0.0;
            String[] dias = modelo.dias;
            String[] vendedores = modelo.nombres;
            double pMayor = (double) modelo.getValueAt(0, 0);
            int fila = 0, columna = 0, i, j;

            for (i = 0; i < modelo.getRowCount(); i++) {
                for (j = 0; j < modelo.getColumnCount(); j++) {
                    if (pMayor > (double) modelo.getValueAt(i, j)) {
                        pMayor = (double) modelo.getValueAt(i, j);
                        fila = i;
                        columna = j;
                    }
                }
            }

            for (i = 0; i < modelo.getColumnCount(); i++) {
                total += (double) modelo.getValueAt(i, columna);
            }
            prom = total / dias.length;

            DecimalFormat formato = new DecimalFormat("#,##0.00");

            String mensaje = "\nPromedio de ventas = " + formato.format(prom) + "\nDía de la venta = " + dias[columna] + "\nVendedor = "
                    + vendedores[fila];

            JOptionPane.showMessageDialog(null, mensaje, "Datos de Promedio Mayor",
                    JOptionPane.INFORMATION_MESSAGE);
        }
    }

    static class Action7 implements ActionListener {

        public void actionPerformed(ActionEvent e) {
            MiTablaModelo modelo = new MiTablaModelo();
            double total = 0.0, prom = 0.0;
            String[] dias = modelo.dias;
            String[] vendedores = modelo.nombres;
            double promedioD = (double) modelo.getValueAt(0, 0);
            int fila = 0, columna = 0, i, j;

            for (i = 0; i < modelo.getRowCount(); i++) {

                for (j = 0; j < modelo.getColumnCount(); j++) {

                }
            }

            for (i = 0; i++ < modelo.getColumnCount(); i++) {

            }
            for (i = 0; i++ < modelo.getColumnCount(); i++) {
                total += (double) modelo.getValueAt(i, columna);
                prom = total;
                DecimalFormat formato = new DecimalFormat("#,##0.00");
                String mensaje = "\nDia = " + dias[fila] + " Promedio Diario = " + formato.format(prom);
                JOptionPane.showMessageDialog(null, mensaje, "Promedio por Dias",
                        JOptionPane.INFORMATION_MESSAGE);

            }

        }
    }

    private static void crearYMostrarGUI() {
        JFrame marco = new JFrame("Tabla semanal de ventas");
        marco.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        MatrizGrafica panel = new MatrizGrafica();
        marco.setContentPane(panel);

        JButton mostrarVMenor = new JButton("Venta menor");
        marco.add(mostrarVMenor);
        mostrarVMenor.addActionListener(new Action1());

        JButton mostrarVMayor = new JButton("Venta mayor");
        marco.add(mostrarVMayor);
        mostrarVMayor.addActionListener(new Action2());

// Botón para mostrar el promedio general de ventas
        JButton mostrarProm = new JButton("Promedio total");
        marco.add(mostrarProm);
        mostrarProm.addActionListener(new Action3());

        JButton mostrarventasV = new JButton("Ventas X Vendedor");
        marco.add(mostrarventasV);
        mostrarventasV.addActionListener(new Action4());

        JButton mostrarpMenor = new JButton("Promedio Menor");
        marco.add(mostrarpMenor);
        mostrarpMenor.addActionListener(new Action5());

        JButton mostrarpMayor = new JButton("Promedio Mayor");
        marco.add(mostrarpMayor);
        mostrarpMayor.addActionListener(new Action6());

        JButton mostrarpromedioD = new JButton("Promedio por Dias");
        marco.add(mostrarpromedioD);
        mostrarpromedioD.addActionListener(new Action7());

        marco.pack();
        marco.setLocationRelativeTo(null);
        marco.setVisible(true);
    }

    public static void main(String[] args) {
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                crearYMostrarGUI();
            }
        });
    }
}

java netbeans jframe

asked by Gerardo Guevara 29.04.2018 в 18:04

source

3 answers

0

Use a layout to sort the components.

In this link you can see the layout examples you have: link

answered by 29.04.2018 в 19:37

0

To align your buttons you could use FlowLayout, this class puts the components in a row. If the horizontal space is very small then use several rows.

To use it, an instance of the object is made:

FlowLayout flowLayout = new FlowLayout();

...

final JPanel compsToExperiment = new JPanel();
 compsToExperiment.setLayout (experimentLayout);

compsToExperiment.add (new JButton ("Botón 1"));
    compsToExperiment.add (new JButton ("Botón 2"));
    compsToExperiment.add (new JButton ("Botón 3"));

//Seleccionar la orientación Izquierda-> Derecha
 compsToExperiment.setComponentOrientation(
                ComponentOrientation.LEFT_TO_RIGHT);

To invoke them you will make an instance in the main towards the class where the FlowLaoyut is written.

For more information I leave you these links:

link

answered by 29.04.2018 в 20:19

How can I create an event related to an Entry element in tkinter in pyhton? I can not redirect in MVC with PHP

score 0 · Accepted Answer

Well, seeing your code, it is best to create 2 panels. One for the table, and one for the buttons. We add the panel of the Table in the North zone, and the panel of the buttons in the South zone.

North - Table

MatrizGrafica panel = new MatrizGrafica();
marco.add(panel, BorderLayout.NORTH);

South - Buttons

JPanel panel2 = new JPanel(new FlowLayout());
marco.add(panel2, BorderLayout.SOUTH);

I leave you the code of the method that creates the graphical interface.

private static void crearYMostrarGUI() {
        JFrame marco = new JFrame("Tabla semanal de ventas");
        marco.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        MatrizGrafica panel = new MatrizGrafica();
        marco.add(panel, BorderLayout.NORTH);

        JPanel panel2 = new JPanel(new FlowLayout());

        JButton mostrarVMenor = new JButton("Venta menor");
        panel2.add(mostrarVMenor);
        mostrarVMenor.addActionListener(new Action1());

        JButton mostrarVMayor = new JButton("Venta mayor");
        panel2.add(mostrarVMayor);
        mostrarVMayor.addActionListener(new Action2());

// Botón para mostrar el promedio general de ventas
        JButton mostrarProm = new JButton("Promedio total");
        panel2.add(mostrarProm);
        mostrarProm.addActionListener(new Action3());

        JButton mostrarventasV = new JButton("Ventas X Vendedor");
        panel2.add(mostrarventasV);
        mostrarventasV.addActionListener(new Action4());

        JButton mostrarpMenor = new JButton("Promedio Menor");
        panel2.add(mostrarpMenor);
        mostrarpMenor.addActionListener(new Action5());

        JButton mostrarpMayor = new JButton("Promedio Mayor");
        panel2.add(mostrarpMayor);
        mostrarpMayor.addActionListener(new Action6());

        JButton mostrarpromedioD = new JButton("Promedio por Dias");
        panel2.add(mostrarpromedioD);
        mostrarpromedioD.addActionListener(new Action7());

        marco.add(panel2, BorderLayout.SOUTH);
        marco.pack();
        marco.setLocationRelativeTo(null);
        marco.setVisible(true);

    }

Result: