84 lines
2.6 KiB
Java
84 lines
2.6 KiB
Java
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import java.awt.datatransfer.Transferable;
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import java.awt.dnd.*;
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import java.awt.*;
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import java.awt.datatransfer.DataFlavor;
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import java.awt.datatransfer.UnsupportedFlavorException;
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import java.io.IOException;
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import java.util.Timer;
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import java.util.TimerTask;
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public class TargetPanel extends Panel implements DropTargetListener {
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//private final CustomDropTargetListener dropTargetListener = new CustomDropTargetListener();
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private Frame frame;
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DataFlavor dataFlavor;
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public TargetPanel(Frame frame, DataFlavor dataFlavor) {
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this.dataFlavor = dataFlavor;
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this.frame = frame;
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setBackground(Color.DARK_GRAY);
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setPreferredSize(new Dimension(200, 200));
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setDropTarget(new DropTarget(this, this));
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}
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public void dragEnter(DropTargetDragEvent dtde) {
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if (dtde.isDataFlavorSupported(dataFlavor)) {
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dtde.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE);
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}
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}
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public void dragOver(DropTargetDragEvent dtde) {
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if (dtde.isDataFlavorSupported(dataFlavor)) {
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dtde.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE);
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}
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}
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public void dropActionChanged(DropTargetDragEvent dtde) {
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if (dtde.isDataFlavorSupported(dataFlavor)) {
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dtde.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE);
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}
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}
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public void dragExit(DropTargetEvent dte) {
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}
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public void drop(DropTargetDropEvent dtde) {
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dtde.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
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if (dtde.isDataFlavorSupported(dataFlavor)) {
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String result = null;
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try {
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Transferable t = dtde.getTransferable();
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byte[] data = (byte[]) dtde.getTransferable().getTransferData(dataFlavor);
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result = new String(data, "UTF-16");
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repaint();
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} catch (UnsupportedFlavorException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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}
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dtde.dropComplete(true);
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if (result != null && result.contains(MyTransferable.TEST_DATA)) {
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System.err.println(InterprocessMessages.EXECUTION_IS_SUCCESSFULL);
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Timer t = new Timer();
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t.schedule(new TimerTask() {
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@Override
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public void run() {
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System.exit(0);
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}
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}, 2000);
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return;
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}
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}
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dtde.rejectDrop();
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System.err.println(InterprocessMessages.DATA_IS_CORRUPTED);
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System.exit(InterprocessMessages.DATA_IS_CORRUPTED);
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}
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}
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