TextComponentDisplay.java Source code

Introduction

Here is the source code for TextComponentDisplay.java

Source

/*
Core SWING Advanced Programming 
By Kim Topley
ISBN: 0 13 083292 8       
Publisher: Prentice Hall  
*/

import javax.swing.UIManager;
import javax.swing.text.*;
import javax.swing.plaf.*;
import java.io.*;

public class TextComponentDisplay {
    public static void displayModel(JTextComponent comp, PrintStream out) {
        Document doc = comp.getDocument();
        if (doc instanceof AbstractDocument) {
            ((AbstractDocument) doc).dump(out);
        }

    }

    public static void displayViews(JTextComponent comp, PrintStream out) {
        TextUI textUI = (TextUI) comp.getUI();
        View rootView = textUI.getRootView(comp);

        displayView(rootView, 0, out);
    }

    public static void displayView(View view, int tabs, PrintStream out) {
        // Print info about this view
        for (int i = 0; i < tabs; i++) {
            out.print("\t");
        }

        out.println(view.getClass().getName());

        for (int i = 0; i < tabs; i++) {
            out.print("\t");
        }

        out.println("Start: " + view.getStartOffset() + "; end: " + view.getEndOffset());

        // Display child views, if any.
        int childViews = view.getViewCount();
        for (int i = 0; i < childViews; i++) {
            View childView = view.getView(i);
            displayView(childView, tabs + 1, out);
        }
    }
}