Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.AbstractDocument;
import javax.swing.text.BoxView;
import javax.swing.text.ComponentView;
import javax.swing.text.Element;
import javax.swing.text.IconView;
import javax.swing.text.LabelView;
import javax.swing.text.ParagraphView;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyledEditorKit;
import javax.swing.text.View;
import javax.swing.text.ViewFactory;

public class Main {
    public static void main(String[] args) {
        JFrame f = new JFrame();
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setSize(200, 200);
        f.getContentPane().setLayout(new BorderLayout());
        JTextPane jtp = new JTextPane();
        jtp.setEditorKit(new WrapEditorKit());
        JScrollPane jsp = new JScrollPane(jtp);
        jsp.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
        f.getContentPane().add(jsp, BorderLayout.CENTER);
        jtp.setText("thisIsATestThisisAtestthisIsATestThisisAtestthisIsATestThisisAtest");
        f.setVisible(true);
    }
}

class WrapEditorKit extends StyledEditorKit {
    ViewFactory defaultFactory = new WrapColumnFactory();

    public ViewFactory getViewFactory() {
        return defaultFactory;
    }
}

class WrapColumnFactory implements ViewFactory {
    public View create(Element elem) {
        String kind = elem.getName();
        if (kind != null) {
            if (kind.equals(AbstractDocument.ContentElementName)) {
                return new WrapLabelView(elem);
            } else if (kind.equals(AbstractDocument.ParagraphElementName)) {
                return new ParagraphView(elem);
            } else if (kind.equals(AbstractDocument.SectionElementName)) {
                return new BoxView(elem, View.Y_AXIS);
            } else if (kind.equals(StyleConstants.ComponentElementName)) {
                return new ComponentView(elem);
            } else if (kind.equals(StyleConstants.IconElementName)) {
                return new IconView(elem);
            }
        }
        return new LabelView(elem);
    }
}

class WrapLabelView extends LabelView {
    public WrapLabelView(Element elem) {
        super(elem);
    }

    public float getMinimumSpan(int axis) {
        switch (axis) {
        case View.X_AXIS:
            return 0;
        case View.Y_AXIS:
            return super.getMinimumSpan(axis);
        default:
            throw new IllegalArgumentException("Invalid axis: " + axis);
        }
    }
}