org.eclipse.swt.snippets.Snippet94.java Source code

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Here is the source code for org.eclipse.swt.snippets.Snippet94.java

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/*******************************************************************************
 * Copyright (c) 2000, 2016 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.snippets;

/*
 * Clipboard example snippet: copy and paste data with the clipboard
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.dnd.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

public class Snippet94 {

    public static void main(String[] args) {
        Display display = new Display();
        final Clipboard cb = new Clipboard(display);
        final Shell shell = new Shell(display);
        shell.setText("Snippet 94");
        shell.setLayout(new FormLayout());
        final Text text = new Text(shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL);

        Button copy = new Button(shell, SWT.PUSH);
        copy.setText("Copy");
        copy.addListener(SWT.Selection, e -> {
            String textData = text.getSelectionText();
            if (textData.length() > 0) {
                TextTransfer textTransfer = TextTransfer.getInstance();
                cb.setContents(new Object[] { textData }, new Transfer[] { textTransfer });
            }
        });

        Button paste = new Button(shell, SWT.PUSH);
        paste.setText("Paste");
        paste.addListener(SWT.Selection, e -> {
            TextTransfer transfer = TextTransfer.getInstance();
            String data = (String) cb.getContents(transfer);
            if (data != null) {
                text.insert(data);
            }
        });

        FormData data = new FormData();
        data.left = new FormAttachment(paste, 0, SWT.LEFT);
        data.right = new FormAttachment(100, -5);
        data.top = new FormAttachment(0, 5);
        copy.setLayoutData(data);

        data = new FormData();
        data.right = new FormAttachment(100, -5);
        data.top = new FormAttachment(copy, 5);
        paste.setLayoutData(data);

        data = new FormData();
        data.left = new FormAttachment(0, 5);
        data.top = new FormAttachment(0, 5);
        data.right = new FormAttachment(paste, -5);
        data.bottom = new FormAttachment(100, -5);
        text.setLayoutData(data);

        shell.setSize(200, 200);
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        cb.dispose();
        display.dispose();
    }
}