مجموعه برنامه‌ های نوشته شده به زبان جاوا

[Raminab]

یک فرم که توش فونت و سایزشو انتخاب میکنیم ( ورودی سازنده ی کلاس یک JtextArea است و خروجی بعد کلیلک روی ok تغییر فونت JtextArea است )

import java.awt.FlowLayout;

import java.awt.Font;

import java.awt.GraphicsEnvironment;





import javax.swing.JButton;

import javax.swing.JDialog;

import javax.swing.JPanel;

import javax.swing.JTextArea;

import javax.swing.border.EmptyBorder;

import javax.swing.JComboBox;





import java.awt.event.ActionListener;

import java.awt.event.ActionEvent;





import javax.swing.JLabel;

import javax.swing.GroupLayout;

import javax.swing.GroupLayout.Alignment;

import javax.swing.LayoutStyle.ComponentPlacement;

import javax.swing.SwingConstants;









public class FontChooser extends JDialog

{

    private JComboBox comboBox;

    private final JPanel contentPanel = new JPanel();

    private JLabel lblNewLabel;

    private JPanel buttonPane;

    public FontChooser(JTextArea a) 

    {

        JComboBox comboBox_1 = new JComboBox();

        

        int[] s = {8,9,10,11,12,14,16,18,20,22,24,26,28,36,48,72};

        for(int i =0;i<s.length;i++)

        {

            comboBox_1.addItem(s[i]);

        }

        JLabel lblPreview = new JLabel("Preview");

        lblPreview.setHorizontalAlignment(SwingConstants.C  ENTER);

        comboBox_1.setSelectedItem(a.getFont().getSize());

        setBounds(100, 100, 485, 287);

        contentPanel.setLayout(new FlowLayout());

        contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));

        {

            

            buttonPane = new JPanel();

            buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));

            {

                JButton okButton = new JButton("OK");

                okButton.addActionListener(new ActionListener()

                {

                    public void actionPerformed(ActionEvent e)

                    {

                        a.setFont(new Font(comboBox.getSelectedItem().toString(),Font.IT  ALIC,Integer.parseInt(comboBox_1.getSelectedItem()  .toString())));

                        dispose();

                    }

                });

                

                JButton btnNewButton = new JButton("Preview");

                btnNewButton.addActionListener(new ActionListener() {

                    public void actionPerformed(ActionEvent e)

                    {

                        ////////////////////////

                        lblPreview.setFont(new Font(comboBox.getSelectedItem().toString(),Font.PL  AIN,Integer.parseInt(comboBox_1.getSelectedItem().  toString())));





                    }

                });

                buttonPane.add(btnNewButton);

                okButton.setActionCommand("OK");

                buttonPane.add(okButton);

                getRootPane().setDefaultButton(okButton);

            }

            {

                JButton cancelButton = new JButton("Cancel");

                cancelButton.addActionListener(new ActionListener() 

                {

                    public void actionPerformed(ActionEvent e)

                    {

                        dispose();

                    }

                });

                cancelButton.setActionCommand("Cancel");

                buttonPane.add(cancelButton);

            }

        }

        {

            lblNewLabel = new JLabel("Font  : ");

        }

        

        

        JLabel lblSize = new JLabel("Size :");

        

        

        {

            GroupLayout groupLayout = new GroupLayout(getContentPane());

            groupLayout.setHorizontalGroup(

                groupLayout.createParallelGroup(Alignment.TRAILING  )

                    .addGroup(groupLayout.createSequentialGroup()

                        .addGap(23)

                        .addGroup(groupLayout.createParallelGroup(Alignmen  t.LEADING)

                            .addGroup(groupLayout.createSequentialGroup()

                                .addComponent(contentPanel, GroupLayout.PREFERRED_SIZE, 175, GroupLayout.PREFERRED_SIZE)

                                .addPreferredGap(ComponentPlacement.RELATED, 161, Short.MAX_VALUE)

                                .addComponent(comboBox_1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)

                                .addGap(82))

                            .addGroup(groupLayout.createSequentialGroup()

                                .addComponent(lblNewLabel, GroupLayout.PREFERRED_SIZE, 237, GroupLayout.PREFERRED_SIZE)

                                .addPreferredGap(ComponentPlacement.RELATED)

                                .addComponent(lblSize)

                                .addContainerGap(177, Short.MAX_VALUE))))

                    .addGroup(groupLayout.createSequentialGroup()

                        .addContainerGap(29, Short.MAX_VALUE)

                        .addComponent(buttonPane, GroupLayout.PREFERRED_SIZE, 413, GroupLayout.PREFERRED_SIZE)

                        .addGap(27))

                    .addGroup(groupLayout.createSequentialGroup()

                        .addContainerGap(156, Short.MAX_VALUE)

                        .addComponent(lblPreview, GroupLayout.PREFERRED_SIZE, 173, GroupLayout.PREFERRED_SIZE)

                        .addGap(140))

            );

            groupLayout.setVerticalGroup(

                groupLayout.createParallelGroup(Alignment.LEADING)

                    .addGroup(groupLayout.createSequentialGroup()

                        .addGroup(groupLayout.createParallelGroup(Alignmen  t.LEADING)

                            .addGroup(groupLayout.createSequentialGroup()

                                .addContainerGap()

                                .addGroup(groupLayout.createParallelGroup(Alignmen  t.BASELINE)

                                    .addComponent(lblNewLabel, GroupLayout.PREFERRED_SIZE, 25, GroupLayout.PREFERRED_SIZE)

                                    .addComponent(lblSize))

                                .addPreferredGap(ComponentPlacement.RELATED)

                                .addComponent(contentPanel, GroupLayout.PREFERRED_SIZE, 61, GroupLayout.PREFERRED_SIZE))

                            .addGroup(groupLayout.createSequentialGroup()

                                .addGap(54)

                                .addComponent(comboBox_1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)))

                        .addPreferredGap(ComponentPlacement.RELATED)

                        .addComponent(lblPreview, GroupLayout.PREFERRED_SIZE, 60, GroupLayout.PREFERRED_SIZE)

                        .addGap(35)

                        .addComponent(buttonPane, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)

                        .addGap(23))

            );

            comboBox = new JComboBox();

            contentPanel.add(comboBox);

            getContentPane().setLayout(groupLayout);

            String[] fontList = GraphicsEnvironment.getLocalGraphicsEnvironment()

                    .getAvailableFontFamilyNames();

            for(int i = 0 ;i<fontList.length;i++)

            {

                comboBox.addItem(fontList[i]);

            }

            comboBox.setSelectedItem(a.getFont().getName());

            

        }

    }

}