SWT(JFace)体验之复制粘贴

    演示代码如下:

    复制代码 代码如下:

    package swt_jface.demo11;
    import org.eclipse.swt.SWT;
    import org.eclipse.swt.dnd.Clipboard;
    import org.eclipse.swt.dnd.RTFTransfer;
    import org.eclipse.swt.dnd.TextTransfer;
    import org.eclipse.swt.dnd.Transfer;
    import org.eclipse.swt.dnd.TransferData;
    import org.eclipse.swt.layout.GridLayout;
    import org.eclipse.swt.widgets.Display;
    import org.eclipse.swt.widgets.Event;
    import org.eclipse.swt.widgets.Listener;
    import org.eclipse.swt.widgets.Shell;
    import org.eclipse.swt.widgets.ToolBar;
    import org.eclipse.swt.widgets.ToolItem;
    public class CopyPaste {

        Display display = new Display();
        Shell shell = new Shell(display);
        public CopyPaste() {
            shell.setLayout(new GridLayout());

            ToolBar toolBar = new ToolBar(shell, SWT.FLAT);
            ToolItem itemCopy = new ToolItem(toolBar, SWT.PUSH);
            ToolItem itemPaste = new ToolItem(toolBar, SWT.PUSH);
            itemCopy.setText(“Copy”);
            itemPaste.setText(“Paste”);

            itemCopy.addListener(SWT.Selection, new Listener() {
                public void handleEvent(Event event) {
                    Clipboard clipboard = new Clipboard(display);
                    String plainText = “Hello World”;
                    String rtfText = “{\\rtf1\\b Hello World}”;
                    TextTransfer textTransfer = TextTransfer.getInstance();
                    RTFTransfer rftTransfer = RTFTransfer.getInstance();
                    clipboard.setContents(new String[]{plainText, rtfText}, new Transfer[]{textTransfer, rftTransfer});
                    clipboard.dispose();
                }
            });

            itemPaste.addListener(SWT.Selection, new Listener() {
                public void handleEvent(Event event) {
                    Clipboard clipboard = new Clipboard(display);
                    TransferData[] transferDatas = clipboard.getAvailableTypes();
                    for(int i=0; i<transferDatas.length; i++) {
                        if(RTFTransfer.getInstance().isSupportedType(transferDatas[i])) {
                            System.out.println(“Data is available in RTF format”);
                            break;
                        }
                    }
                    String plainText = (String)clipboard.getContents(TextTransfer.getInstance());
                    String rtfText = (String)clipboard.getContents(RTFTransfer.getInstance());
                    System.out.println(“PLAIN: ” + plainText + “\n” + “RTF: ” + rtfText);
                    clipboard.dispose();
                }
            });
            shell.pack();
            shell.open();

            while (!shell.isDisposed()) {
                if (!display.readAndDispatch()) {
                    display.sleep();
                }
            }
            display.dispose();
        }
        public static void main(String[] args) {
            new CopyPaste();
        }
    }

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