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diff --git a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet171.java b/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet171.java
deleted file mode 100644
index 33dca3e0c5..0000000000
--- a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet171.java
+++ /dev/null
@@ -1,290 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2005 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.swt.snippets;
-
-/*
- * Drag and Drop example snippet: define data transfer types that subclass each
- * other
- *
- * For a list of all SWT example snippets see
- * http://www.eclipse.org/swt/snippets/
- *
- * @since 3.1
- */
-import java.io.*;
-
-import org.eclipse.swt.*;
-import org.eclipse.swt.dnd.*;
-import org.eclipse.swt.layout.*;
-import org.eclipse.swt.widgets.*;
-
-public class Snippet171 {
-
-/*
- * The data being transferred is an <bold>array of type MyType</bold> where
- * MyType is define as:
- */
-static class MyType {
- String fileName;
- long fileLength;
- long lastModified;
-}
-
-static class MyTransfer extends ByteArrayTransfer {
-
- private static final String MYTYPENAME = "MytypeTransfer";
- private static final int MYTYPEID = registerType(MYTYPENAME);
- private static MyTransfer _instance = new MyTransfer();
-
- public static Transfer getInstance() {
- return _instance;
- }
-
- byte[] javaToByteArray(Object object) {
- MyType data = (MyType) object;
- try {
- ByteArrayOutputStream out = new ByteArrayOutputStream();
- DataOutputStream writeOut = new DataOutputStream(out);
- byte[] buffer = data.fileName.getBytes();
- writeOut.writeInt(buffer.length);
- writeOut.write(buffer);
- writeOut.writeLong(data.fileLength);
- writeOut.writeLong(data.lastModified);
- buffer = out.toByteArray();
- writeOut.close();
- return buffer;
- } catch (IOException e) {
- }
- return null;
- }
-
- Object byteArrayToJava(byte[] bytes) {
- MyType data = new MyType();
- try {
- ByteArrayInputStream in = new ByteArrayInputStream(bytes);
- DataInputStream readIn = new DataInputStream(in);
- int size = readIn.readInt();
- byte[] buffer = new byte[size];
- readIn.read(buffer);
- data.fileName = new String(buffer);
- data.fileLength = readIn.readLong();
- data.lastModified = readIn.readLong();
- readIn.close();
- } catch (IOException ex) {
- return null;
- }
- return data;
- }
-
- public void javaToNative(Object object, TransferData transferData) {
- if (!checkMyType(object) || !isSupportedType(transferData)) {
- DND.error(DND.ERROR_INVALID_DATA);
- }
- byte[] buffer = javaToByteArray(object);
- super.javaToNative(buffer, transferData);
- }
-
- public Object nativeToJava(TransferData transferData) {
- if (isSupportedType(transferData)) {
- byte[] buffer = (byte[]) super.nativeToJava(transferData);
- if (buffer == null)
- return null;
- return byteArrayToJava(buffer);
- }
- return null;
- }
-
- protected String[] getTypeNames() {
- return new String[] { MYTYPENAME };
- }
-
- protected int[] getTypeIds() {
- return new int[] { MYTYPEID };
- }
-
- boolean checkMyType(Object object) {
- return object != null && object instanceof MyType;
- }
-
- protected boolean validate(Object object) {
- return checkMyType(object);
- }
-}
-
-/*
- * The data being transferred is an <bold>array of type MyType2</bold>
- * where MyType2 is define as:
- */
-static class MyType2 extends MyType {
- String version;
-}
-
-static class MyTransfer2 extends MyTransfer {
-
- private static final String MYTYPE2NAME = "Mytype2Transfer";
- private static final int MYTYPE2ID = registerType(MYTYPE2NAME);
- private static MyTransfer _instance = new MyTransfer2();
-
- public static Transfer getInstance() {
- return _instance;
- }
-
- protected String[] getTypeNames() {
- return new String[] { MYTYPE2NAME };
- }
-
- protected int[] getTypeIds() {
- return new int[] { MYTYPE2ID };
- }
-
- byte[] javaToByteArray(Object object) {
- MyType2 data = (MyType2) object;
- try {
- ByteArrayOutputStream out = new ByteArrayOutputStream();
- DataOutputStream writeOut = new DataOutputStream(out);
- byte[] buffer = data.fileName.getBytes();
- writeOut.writeInt(buffer.length);
- writeOut.write(buffer);
- writeOut.writeLong(data.fileLength);
- writeOut.writeLong(data.lastModified);
- buffer = data.version.getBytes();
- writeOut.writeInt(buffer.length);
- writeOut.write(buffer);
- buffer = out.toByteArray();
- writeOut.close();
- return buffer;
- } catch (IOException e) {
- }
- return null;
- }
-
- Object byteArrayToJava(byte[] bytes) {
- MyType2 data = new MyType2();
- try {
- ByteArrayInputStream in = new ByteArrayInputStream(bytes);
- DataInputStream readIn = new DataInputStream(in);
- int size = readIn.readInt();
- byte[] buffer = new byte[size];
- readIn.read(buffer);
- data.fileName = new String(buffer);
- data.fileLength = readIn.readLong();
- data.lastModified = readIn.readLong();
- size = readIn.readInt();
- buffer = new byte[size];
- readIn.read(buffer);
- data.version = new String(buffer);
- readIn.close();
- } catch (IOException ex) {
- return null;
- }
- return data;
- }
-
- public void javaToNative(Object object, TransferData transferData) {
- if (!checkMyType2(object)) {
- DND.error(DND.ERROR_INVALID_DATA);
- }
- super.javaToNative(object, transferData);
- }
-
- boolean checkMyType2(Object object) {
- if (!checkMyType(object))
- return false;
- return object != null && object instanceof MyType2;
- }
-
- protected boolean validate(Object object) {
- return checkMyType2(object);
- }
-}
-
-public static void main(String[] args) {
- Display display = new Display();
- Shell shell = new Shell(display);
- shell.setLayout(new FillLayout());
- final Label label1 = new Label(shell, SWT.BORDER | SWT.WRAP);
- label1.setText("Drag Source for MyData and MyData2");
- final Label label2 = new Label(shell, SWT.BORDER | SWT.WRAP);
- label2.setText("Drop Target for MyData");
- final Label label3 = new Label(shell, SWT.BORDER | SWT.WRAP);
- label3.setText("Drop Target for MyData2");
-
- DragSource source = new DragSource(label1, DND.DROP_COPY);
- source.setTransfer(new Transfer[] { MyTransfer.getInstance(),
- MyTransfer2.getInstance() });
- source.addDragListener(new DragSourceAdapter() {
- public void dragSetData(DragSourceEvent event) {
- MyType2 myType = new MyType2();
- myType.fileName = "abc.txt";
- myType.fileLength = 1000;
- myType.lastModified = 12312313;
- myType.version = "version 2";
- event.data = myType;
- }
- });
- DropTarget targetMyType = new DropTarget(label2, DND.DROP_COPY | DND.DROP_DEFAULT);
- targetMyType.setTransfer(new Transfer[] { MyTransfer.getInstance() });
- targetMyType.addDropListener(new DropTargetAdapter() {
- public void dragEnter(DropTargetEvent event) {
- if (event.detail == DND.DROP_DEFAULT)
- event.detail = DND.DROP_COPY;
- }
-
- public void dragOperationChanged(DropTargetEvent event) {
- if (event.detail == DND.DROP_DEFAULT)
- event.detail = DND.DROP_COPY;
- }
-
- public void drop(DropTargetEvent event) {
- if (event.data != null) {
- MyType myType = (MyType) event.data;
- if (myType != null) {
- String string = "MyType: " + myType.fileName;
- label2.setText(string);
- }
- }
- }
-
- });
- DropTarget targetMyType2 = new DropTarget(label3, DND.DROP_COPY | DND.DROP_DEFAULT);
- targetMyType2.setTransfer(new Transfer[] { MyTransfer2.getInstance() });
- targetMyType2.addDropListener(new DropTargetAdapter() {
- public void dragEnter(DropTargetEvent event) {
- if (event.detail == DND.DROP_DEFAULT)
- event.detail = DND.DROP_COPY;
- }
-
- public void dragOperationChanged(DropTargetEvent event) {
- if (event.detail == DND.DROP_DEFAULT)
- event.detail = DND.DROP_COPY;
- }
-
- public void drop(DropTargetEvent event) {
- if (event.data != null) {
- MyType2 myType = (MyType2) event.data;
- if (myType != null) {
- String string = "MyType2: " + myType.fileName + ":"
- + myType.version;
- label3.setText(string);
- }
- }
- }
-
- });
- shell.setSize(300, 200);
- shell.open();
- while (!shell.isDisposed()) {
- if (!display.readAndDispatch())
- display.sleep();
- }
- display.dispose();
-}
-} \ No newline at end of file
generated by cgit (git 2.34.1) at 2024-06-07 12:31:14 +0000