в 18:01, 31 мая 2010

2010-05-31T18:01:43Z

Новая страница

== Clipboard Composite ==



<source lang="java">
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.RTFTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.ruposite;
public class Ch12ClipboardComposite extends Composite {
public Ch12ClipboardComposite(Composite parent) {
super(parent, SWT.NONE);
FillLayout layout = new FillLayout();
setLayout(layout);
Button b = new Button(this, SWT.NONE);
b.setText("Copy to system clipboard");
b.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
Clipboard clipboard = new Clipboard(getDisplay());
String rtfData = "{\\rtf1\\b\\i Hello World}";
RTFTransfer rtfTransfer = RTFTransfer.getInstance();
clipboard.setContents(new Object[] { rtfData },
new Transfer[] { rtfTransfer });
clipboard.dispose();
}
public void widgetDefaultSelected(SelectionEvent e) {
}
});
}
}

</source>



== Copy and Paste ==



<source lang="java">

/******************************************************************************
* All Right Reserved.
* Copyright (c) 1998, 2004 Jackwind Li Guojie
*
* Created on 2004-4-28 10:43:40 by JACK
* $Id$
*
*****************************************************************************/
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++) {
// Checks whether RTF format is available.
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();
//textUser.forceFocus();
// Set up the event loop.
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
// If no more entries in event queue
display.sleep();
}
}
display.dispose();
}
private void init() {
}
public static void main(String[] args) {
new CopyPaste();
}
}

</source>



== Copy and paste data with the clipboard ==



<source lang="java">

/*
* Clipboard example snippet: copy and paste data with the clipboard
*
* For a list of all SWT example snippets see
* http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Button;
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.Text;
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.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, new Listener() {
public void handleEvent(Event e) {
String textData = text.getSelectionText();
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, new Listener() {
public void handleEvent(Event e) {
TextTransfer transfer = TextTransfer.getInstance();
String data = (String) cb.getContents(transfer);
if (data != null) {
text.insert(data);
}
}
});
FormData data = new FormData();
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(copy, -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();
}
}

</source>



== Enable/disable menu depending on clipboard content availability ==



<source lang="java">

/*
* Clipboard example snippet: enable/disable menu depending on clipboard content availability
*
* For a list of all SWT example snippets see
* http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.dnd.TransferData;
import org.eclipse.swt.events.MenuAdapter;
import org.eclipse.swt.events.MenuEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class Snippet122 {
public static void main(String[] args) {
Display display = new Display();
final Clipboard cb = new Clipboard(display);
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
final Text text = new Text(shell, SWT.BORDER | SWT.MULTI | SWT.WRAP);
Menu menu = new Menu(shell, SWT.POP_UP);
final MenuItem copyItem = new MenuItem(menu, SWT.PUSH);
copyItem.setText("Copy");
copyItem.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
String selection = text.getSelectionText();
if (selection.length() == 0)
return;
Object[] data = new Object[] { selection };
Transfer[] types = new Transfer[] { TextTransfer.getInstance() };
cb.setContents(data, types);
}
});
final MenuItem pasteItem = new MenuItem(menu, SWT.PUSH);
pasteItem.setText("Paste");
pasteItem.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
String string = (String) (cb.getContents(TextTransfer
.getInstance()));
if (string != null)
text.insert(string);
}
});
menu.addMenuListener(new MenuAdapter() {
public void menuShown(MenuEvent e) {
// is copy valid?
String selection = text.getSelectionText();
copyItem.setEnabled(selection.length() > 0);
// is paste valid?
TransferData[] available = cb.getAvailableTypes();
boolean enabled = false;
for (int i = 0; i < available.length; i++) {
if (TextTransfer.getInstance()
.isSupportedType(available[i])) {
enabled = true;
break;
}
}
pasteItem.setEnabled(enabled);
}
});
text.setMenu(menu);
shell.setSize(200, 200);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
cb.dispose();
display.dispose();
}
}

</source>



== SWT Clipboard Example ==



<source lang="java">

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.dnd.ByteArrayTransfer;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.FileTransfer;
import org.eclipse.swt.dnd.HTMLTransfer;
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.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.rubo;
import org.eclipse.swt.widgets.ruposite;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;
public class ClipboardExample {
Clipboard clipboard;
Shell shell;
Text copyText;
Text pasteText;
Text copyRtfText;
Text pasteRtfText;
Text copyHtmlText;
Text pasteHtmlText;
Table copyFileTable;
Table pasteFileTable;
Text text;
Combo combo;
StyledText styledText;
Label status;
static final int SIZE = 60;
public static void main(String[] args) {
Display display = new Display();
new ClipboardExample().open(display);
display.dispose();
}
public void open(Display display) {
clipboard = new Clipboard(display);
shell = new Shell(display);
shell.setText("SWT Clipboard");
shell.setLayout(new FillLayout());
ScrolledComposite sc = new ScrolledComposite(shell, SWT.H_SCROLL
| SWT.V_SCROLL);
Composite parent = new Composite(sc, SWT.NONE);
sc.setContent(parent);
parent.setLayout(new GridLayout(2, true));
Group copyGroup = new Group(parent, SWT.NONE);
copyGroup.setText("Copy From:");
GridData data = new GridData(GridData.FILL_BOTH);
copyGroup.setLayoutData(data);
copyGroup.setLayout(new GridLayout(3, false));
Group pasteGroup = new Group(parent, SWT.NONE);
pasteGroup.setText("Paste To:");
data = new GridData(GridData.FILL_BOTH);
pasteGroup.setLayoutData(data);
pasteGroup.setLayout(new GridLayout(3, false));
Group controlGroup = new Group(parent, SWT.NONE);
controlGroup.setText("Control API:");
data = new GridData(GridData.FILL_BOTH);
data.horizontalSpan = 2;
controlGroup.setLayoutData(data);
controlGroup.setLayout(new GridLayout(5, false));
Group typesGroup = new Group(parent, SWT.NONE);
typesGroup.setText("Available Types");
data = new GridData(GridData.FILL_BOTH);
data.horizontalSpan = 2;
typesGroup.setLayoutData(data);
typesGroup.setLayout(new GridLayout(2, false));
status = new Label(parent, SWT.BORDER);
data = new GridData(GridData.FILL_HORIZONTAL);
data.horizontalSpan = 2;
data.heightHint = 60;
status.setLayoutData(data);
createTextTransfer(copyGroup, pasteGroup);
createRTFTransfer(copyGroup, pasteGroup);
createHTMLTransfer(copyGroup, pasteGroup);
createFileTransfer(copyGroup, pasteGroup);
createMyTransfer(copyGroup, pasteGroup);
createControlTransfer(controlGroup);
createAvailableTypes(typesGroup);
sc.setMinSize(parent.ruputeSize(SWT.DEFAULT, SWT.DEFAULT));
sc.setExpandHorizontal(true);
sc.setExpandVertical(true);
Point size = shell.ruputeSize(SWT.DEFAULT, SWT.DEFAULT);
Rectangle monitorArea = shell.getMonitor().getClientArea();
shell.setSize(Math.min(size.x, monitorArea.width - 20), Math.min(
size.y, monitorArea.height - 20));
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
clipboard.dispose();
}
void createTextTransfer(Composite copyParent, Composite pasteParent) {
// TextTransfer
Label l = new Label(copyParent, SWT.NONE);
l.setText("TextTransfer:"); //$NON-NLS-1$
copyText = new Text(copyParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL
| SWT.H_SCROLL);
copyText.setText("some\nplain\ntext");
GridData data = new GridData(GridData.FILL_HORIZONTAL);
data.heightHint = data.widthHint = SIZE;
copyText.setLayoutData(data);
Button b = new Button(copyParent, SWT.PUSH);
b.setText("Copy");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
String data = copyText.getText();
if (data.length() > 0) {
status.setText("");
clipboard.setContents(new Object[] { data },
new Transfer[] { TextTransfer.getInstance() });
} else {
status.setText("nothing to copy");
}
}
});
l = new Label(pasteParent, SWT.NONE);
l.setText("TextTransfer:"); //$NON-NLS-1$
pasteText = new Text(pasteParent, SWT.READ_ONLY | SWT.MULTI
| SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
data = new GridData(GridData.FILL_HORIZONTAL);
data.heightHint = data.widthHint = SIZE;
pasteText.setLayoutData(data);
b = new Button(pasteParent, SWT.PUSH);
b.setText("Paste");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
String data = (String) clipboard.getContents(TextTransfer
.getInstance());
if (data != null && data.length() > 0) {
status.setText("");
pasteText.setText("begin paste>" + data + "<end paste");
} else {
status.setText("nothing to paste");
}
}
});
}
void createRTFTransfer(Composite copyParent, Composite pasteParent) {
// RTF Transfer
Label l = new Label(copyParent, SWT.NONE);
l.setText("RTFTransfer:"); //$NON-NLS-1$
copyRtfText = new Text(copyParent, SWT.MULTI | SWT.BORDER
| SWT.V_SCROLL | SWT.H_SCROLL);
copyRtfText.setText("some\nrtf\ntext");
GridData data = new GridData(GridData.FILL_HORIZONTAL);
data.heightHint = data.widthHint = SIZE;
copyRtfText.setLayoutData(data);
Button b = new Button(copyParent, SWT.PUSH);
b.setText("Copy");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
String data = copyRtfText.getText();
if (data.length() > 0) {
status.setText("");
data = "{\\rtf1{\\colortbl;\\red255\\green0\\blue0;}\\uc1\\b\\i "
+ data + "}";
clipboard.setContents(new Object[] { data },
new Transfer[] { RTFTransfer.getInstance() });
} else {
status.setText("nothing to copy");
}
}
});
l = new Label(pasteParent, SWT.NONE);
l.setText("RTFTransfer:"); //$NON-NLS-1$
pasteRtfText = new Text(pasteParent, SWT.READ_ONLY | SWT.MULTI
| SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
data = new GridData(GridData.FILL_HORIZONTAL);
data.heightHint = data.widthHint = SIZE;
pasteRtfText.setLayoutData(data);
b = new Button(pasteParent, SWT.PUSH);
b.setText("Paste");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
String data = (String) clipboard.getContents(RTFTransfer
.getInstance());
if (data != null && data.length() > 0) {
status.setText("");
pasteRtfText.setText("start paste>" + data + "<end paste");
} else {
status.setText("nothing to paste");
}
}
});
}
void createHTMLTransfer(Composite copyParent, Composite pasteParent) {
// HTML Transfer
Label l = new Label(copyParent, SWT.NONE);
l.setText("HTMLTransfer:"); //$NON-NLS-1$
copyHtmlText = new Text(copyParent, SWT.MULTI | SWT.BORDER
| SWT.V_SCROLL | SWT.H_SCROLL);
copyHtmlText.setText("<b>Hello World</b>");
GridData data = new GridData(GridData.FILL_HORIZONTAL);
data.heightHint = data.widthHint = SIZE;
copyHtmlText.setLayoutData(data);
Button b = new Button(copyParent, SWT.PUSH);
b.setText("Copy");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
String data = copyHtmlText.getText();
if (data.length() > 0) {
status.setText("");
clipboard.setContents(new Object[] { data },
new Transfer[] { HTMLTransfer.getInstance() });
} else {
status.setText("nothing to copy");
}
}
});
l = new Label(pasteParent, SWT.NONE);
l.setText("HTMLTransfer:"); //$NON-NLS-1$
pasteHtmlText = new Text(pasteParent, SWT.READ_ONLY | SWT.MULTI
| SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
data = new GridData(GridData.FILL_HORIZONTAL);
data.heightHint = data.widthHint = SIZE;
pasteHtmlText.setLayoutData(data);
b = new Button(pasteParent, SWT.PUSH);
b.setText("Paste");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
String data = (String) clipboard.getContents(HTMLTransfer
.getInstance());
if (data != null && data.length() > 0) {
status.setText("");
pasteHtmlText.setText("start paste>" + data + "<end paste");
} else {
status.setText("nothing to paste");
}
}
});
}
void createFileTransfer(Composite copyParent, Composite pasteParent) {
// File Transfer
Label l = new Label(copyParent, SWT.NONE);
l.setText("FileTransfer:"); //$NON-NLS-1$
Composite c = new Composite(copyParent, SWT.NONE);
c.setLayout(new GridLayout(2, false));
GridData data = new GridData(GridData.FILL_HORIZONTAL);
c.setLayoutData(data);
copyFileTable = new Table(c, SWT.MULTI | SWT.BORDER);
data = new GridData(GridData.FILL_HORIZONTAL);
data.heightHint = data.widthHint = SIZE;
data.horizontalSpan = 2;
copyFileTable.setLayoutData(data);
Button b = new Button(c, SWT.PUSH);
b.setText("Select file(s)");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
FileDialog dialog = new FileDialog(shell, SWT.OPEN | SWT.MULTI);
String result = dialog.open();
if (result != null && result.length() > 0) {
// copyFileTable.removeAll();
String separator = System.getProperty("file.separator");
String path = dialog.getFilterPath();
String[] names = dialog.getFileNames();
for (int i = 0; i < names.length; i++) {
TableItem item = new TableItem(copyFileTable, SWT.NONE);
item.setText(path + separator + names[i]);
}
}
}
});
b = new Button(c, SWT.PUSH);
b.setText("Select directory");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
DirectoryDialog dialog = new DirectoryDialog(shell, SWT.OPEN);
String result = dialog.open();
if (result != null && result.length() > 0) {
// copyFileTable.removeAll();
TableItem item = new TableItem(copyFileTable, SWT.NONE);
item.setText(result);
}
}
});
b = new Button(copyParent, SWT.PUSH);
b.setText("Copy");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
TableItem[] items = copyFileTable.getItems();
if (items.length > 0) {
status.setText("");
String[] data = new String[items.length];
for (int i = 0; i < data.length; i++) {
data[i] = items[i].getText();
}
clipboard.setContents(new Object[] { data },
new Transfer[] { FileTransfer.getInstance() });
} else {
status.setText("nothing to copy");
}
}
});
l = new Label(pasteParent, SWT.NONE);
l.setText("FileTransfer:"); //$NON-NLS-1$
pasteFileTable = new Table(pasteParent, SWT.MULTI | SWT.BORDER);
data = new GridData(GridData.FILL_HORIZONTAL);
data.heightHint = data.widthHint = SIZE;
pasteFileTable.setLayoutData(data);
b = new Button(pasteParent, SWT.PUSH);
b.setText("Paste");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
String[] data = (String[]) clipboard.getContents(FileTransfer
.getInstance());
if (data != null && data.length > 0) {
status.setText("");
pasteFileTable.removeAll();
for (int i = 0; i < data.length; i++) {
TableItem item = new TableItem(pasteFileTable, SWT.NONE);
item.setText(data[i]);
}
} else {
status.setText("nothing to paste");
}
}
});
}
void createMyTransfer(Composite copyParent, Composite pasteParent) {
// MyType Transfer
// TODO
}
void createControlTransfer(Composite parent) {
Label l = new Label(parent, SWT.NONE);
l.setText("Text:");
Button b = new Button(parent, SWT.PUSH);
b.setText("Cut");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
text.cut();
}
});
b = new Button(parent, SWT.PUSH);
b.setText("Copy");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
text.copy();
}
});
b = new Button(parent, SWT.PUSH);
b.setText("Paste");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
text.paste();
}
});
text = new Text(parent, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL
| SWT.V_SCROLL);
GridData data = new GridData(GridData.FILL_HORIZONTAL);
data.heightHint = data.widthHint = SIZE;
text.setLayoutData(data);
l = new Label(parent, SWT.NONE);
l.setText("Combo:");
b = new Button(parent, SWT.PUSH);
b.setText("Cut");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
combo.cut();
}
});
b = new Button(parent, SWT.PUSH);
b.setText("Copy");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
combo.copy();
}
});
b = new Button(parent, SWT.PUSH);
b.setText("Paste");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
combo.paste();
}
});
combo = new Combo(parent, SWT.NONE);
combo.setItems(new String[] { "Item 1", "Item 2", "Item 3",
"A longer Item" });
l = new Label(parent, SWT.NONE);
l.setText("StyledText:");
l = new Label(parent, SWT.NONE);
l.setVisible(false);
b = new Button(parent, SWT.PUSH);
b.setText("Copy");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
styledText.copy();
}
});
b = new Button(parent, SWT.PUSH);
b.setText("Paste");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
styledText.paste();
}
});
styledText = new StyledText(parent, SWT.BORDER | SWT.MULTI
| SWT.H_SCROLL | SWT.V_SCROLL);
data = new GridData(GridData.FILL_HORIZONTAL);
data.heightHint = data.widthHint = SIZE;
styledText.setLayoutData(data);
}
void createAvailableTypes(Composite parent) {
final List list = new List(parent, SWT.BORDER | SWT.H_SCROLL
| SWT.V_SCROLL);
GridData data = new GridData(GridData.FILL_BOTH);
data.heightHint = 100;
list.setLayoutData(data);
Button b = new Button(parent, SWT.PUSH);
b.setText("Get Available Types");
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
list.removeAll();
String[] names = clipboard.getAvailableTypeNames();
for (int i = 0; i < names.length; i++) {
list.add(names[i]);
}
}
});
}
}
/*******************************************************************************
* Copyright (c) 2000, 2004 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
******************************************************************************/
class MyTypeTransfer extends ByteArrayTransfer {
private static final String MYTYPENAME = "name_list"; //$NON-NLS-1$
private static final int MYTYPEID = registerType(MYTYPENAME);
private static MyTypeTransfer _instance = new MyTypeTransfer();
public static MyTypeTransfer getInstance() {
return _instance;
}
public void javaToNative(Object object, TransferData transferData) {
if (!checkMyType(object) || !isSupportedType(transferData)) {
DND.error(DND.ERROR_INVALID_DATA);
}
MyType[] myTypes = (MyType[]) object;
try {
// write data to a byte array and then ask super to convert to
// pMedium
ByteArrayOutputStream out = new ByteArrayOutputStream();
DataOutputStream writeOut = new DataOutputStream(out);
for (int i = 0, length = myTypes.length; i < length; i++) {
byte[] buffer = myTypes[i].firstName.getBytes();
writeOut.writeInt(buffer.length);
writeOut.write(buffer);
buffer = myTypes[i].firstName.getBytes();
writeOut.writeInt(buffer.length);
writeOut.write(buffer);
}
byte[] buffer = out.toByteArray();
writeOut.close();
super.javaToNative(buffer, transferData);
} catch (IOException e) {
}
}
public Object nativeToJava(TransferData transferData) {
if (isSupportedType(transferData)) {
byte[] buffer = (byte[]) super.nativeToJava(transferData);
if (buffer == null)
return null;
MyType[] myData = new MyType[0];
try {
ByteArrayInputStream in = new ByteArrayInputStream(buffer);
DataInputStream readIn = new DataInputStream(in);
while (readIn.available() > 20) {
MyType datum = new MyType();
int size = readIn.readInt();
byte[] name = new byte[size];
readIn.read(name);
datum.firstName = new String(name);
size = readIn.readInt();
name = new byte[size];
readIn.read(name);
datum.lastName = new String(name);
MyType[] newMyData = new MyType[myData.length + 1];
System.arraycopy(myData, 0, newMyData, 0, myData.length);
newMyData[myData.length] = datum;
myData = newMyData;
}
readIn.close();
} catch (IOException ex) {
return null;
}
return myData;
}
return null;
}
protected String[] getTypeNames() {
return new String[] { MYTYPENAME };
}
protected int[] getTypeIds() {
return new int[] { MYTYPEID };
}
boolean checkMyType(Object object) {
if (object == null || !(object instanceof MyType[])
|| ((MyType[]) object).length == 0)
return false;
MyType[] myTypes = (MyType[]) object;
for (int i = 0; i < myTypes.length; i++) {
if (myTypes[i] == null || myTypes[i].firstName == null
|| myTypes[i].firstName.length() == 0
|| myTypes[i].lastName == null
|| myTypes[i].lastName.length() == 0)
return false;
}
return true;
}
protected boolean validate(Object object) {
return checkMyType(object);
}
}
/*******************************************************************************
* Copyright (c) 2000, 2003 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
******************************************************************************/
class MyType {
String firstName;
String lastName;
}

</source>

Java/SWT JFace Eclipse/Clipboard - История изменений

Admin: 1 версия

в 18:01, 31 мая 2010

← Предыдущая	Версия 05:55, 1 июня 2010
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