TreeViewerFileFromTree.java Source code

Introduction

Here is the source code for TreeViewerFileFromTree.java

Source

import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.window.ApplicationWindow;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;

public class TreeViewerFileFromTree {
    public static void main(String[] args) {
        FileTreeWindow main = new FileTreeWindow();
    }
}

class FileTreeWindow extends ApplicationWindow {
    public FileTreeWindow() {
        super(null);
        // Don't return from open() until window closes
        setBlockOnOpen(true);

        // Open the main window
        open();

        // Dispose the display
        Display.getCurrent().dispose();
    }

    protected void configureShell(Shell shell) {
        super.configureShell(shell);

        // Set the title bar text and the size
        shell.setText("File Tree");
        shell.setSize(400, 400);
    }

    protected Control createContents(Composite parent) {
        Composite composite = new Composite(parent, SWT.NONE);
        composite.setLayout(new FillLayout());

        Tree tree = new Tree(composite, SWT.SINGLE);

        for (int i = 0; i < 4; i++) {
            TreeItem iItem = new TreeItem(tree, 0);
            iItem.setText("TreeItem (0) -" + i);
            for (int j = 0; j < 4; j++) {
                TreeItem jItem = new TreeItem(iItem, 0);
                jItem.setText("TreeItem (1) -" + j);
                for (int k = 0; k < 4; k++) {
                    TreeItem kItem = new TreeItem(jItem, 0);
                    kItem.setText("TreeItem (2) -" + k);
                    for (int l = 0; l < 4; l++) {
                        TreeItem lItem = new TreeItem(kItem, 0);
                        lItem.setText("TreeItem (3) -" + l);
                        for (int m = 0; m < 4; m++) {
                            TreeItem mItem = new TreeItem(lItem, 0);
                            mItem.setText("TreeItem (3) -" + l);
                        }

                    }
                }
            }
        }

        TreeViewer treeViewer = new TreeViewer(tree);

        return composite;
    }
}