FormLayout: Bounds Example 6 : FormLayout « Swing Components

FormLayout: Bounds Example 6 : FormLayout « Swing Components « Java





/*

Code revised from Desktop Java Live:

http://www.sourcebeat.com/downloads/

*/





import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Dimension;



import javax.swing.BorderFactory;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTabbedPane;

import javax.swing.JTextField;



import com.jgoodies.forms.debug.FormDebugPanel;

import com.jgoodies.forms.layout.CellConstraints;

import com.jgoodies.forms.layout.FormLayout;



public class FormLayoutExample6 extends JPanel {

    public FormLayoutExample6() {

      super(new BorderLayout());

  

        JTabbedPane tabbedPane = new JTabbedPane();



        String labelWidth = "50dlu";

        FormLayout formLayout = new FormLayout("max(" + labelWidth + ";pref), 2dlu, 100dlu", "default, default, default");

        JPanel tabPanel1 = new FormDebugPanel();

        tabPanel1.setLayout(formLayout);

        CellConstraints c = new CellConstraints();

        tabPanel1.add(createLabel("Small 1"), c.xy(1, 1));

        tabPanel1.add(createLabel("Larger Label"), c.xy(1, 2));

        tabPanel1.add(createLabel("Med. Label"), c.xy(1, 3));

        tabPanel1.add(new JTextField(), c.xy(3, 1));

        tabPanel1.add(new JTextField(), c.xy(3, 2));

        tabPanel1.add(new JTextField(), c.xy(3, 3));

        tabbedPane.add("Tab1", tabPanel1);



        formLayout = new FormLayout("max(" + labelWidth + ";pref), 2dlu, 100dlu", "default, default, default");

        JPanel tabPanel2 = new FormDebugPanel();

        tabPanel2.setLayout(formLayout);

        tabPanel2.add(createLabel("Small 2"), c.xy(1, 1));

        tabPanel2.add(createLabel("Small 3"), c.xy(1, 2));

        tabPanel2.add(createLabel("Small 4"), c.xy(1, 3));

        tabPanel2.add(new JTextField(), c.xy(3, 1));

        tabPanel2.add(new JTextField(), c.xy(3, 2));

        tabPanel2.add(new JTextField(), c.xy(3, 3));

        tabbedPane.add("Tab2", tabPanel2);



        formLayout = new FormLayout("pref, 2dlu, 100dlu", "default, default, default");

        JPanel tabPanel3 = new FormDebugPanel();

        tabPanel3.setLayout(formLayout);

        tabPanel3.add(createLabel("Small 5"), c.xy(1, 1));

        tabPanel3.add(createLabel("Small 6"), c.xy(1, 2));

        tabPanel3.add(createLabel("Small 7"), c.xy(1, 3));

        tabPanel3.add(new JTextField(), c.xy(3, 1));

        tabPanel3.add(new JTextField(), c.xy(3, 2));

        tabPanel3.add(new JTextField(), c.xy(3, 3));

        tabbedPane.add("Tab3", tabPanel3);



        JPanel panel = new JPanel(new BorderLayout());

        panel.add(tabbedPane, BorderLayout.CENTER);



        add(panel);

    }

    public JLabel createLabel(String text, int prefWidth, int prefHeight) {

        JLabel label = createLabel(text);

        label.setPreferredSize(new Dimension(prefWidth, prefHeight));

        return label;

    }

    public JLabel createLabel(String text) {

        JLabel label = new JLabel(text);

        label.setBackground(Color.lightGray);

        label.setBorder(BorderFactory.createLineBorder(Color.black));

        label.setOpaque(true);

        label.setHorizontalTextPosition(JLabel.CENTER);

        label.setVerticalTextPosition(JLabel.CENTER);

        return label;

    }



    public static void main(String[] a){

      JFrame f = new JFrame("FormLayout: Bounds Example 6");

      f.setDefaultCloseOperation(2);

      f.add(new FormLayoutExample7());

      f.pack();

      f.setVisible(true);

    }

}
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