/*
* Copyright (c) 2008 Stiftung Deutsches Elektronen-Synchrotron,
* Member of the Helmholtz Association, (DESY), HAMBURG, GERMANY.
*
* THIS SOFTWARE IS PROVIDED UNDER THIS LICENSE ON AN "../AS IS" BASIS.
* WITHOUT WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
* FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. SHOULD THE SOFTWARE PROVE DEFECTIVE
* IN ANY RESPECT, THE USER ASSUMES THE COST OF ANY NECESSARY SERVICING, REPAIR OR
* CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE.
* NO USE OF ANY SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER.
* DESY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
* OR MODIFICATIONS.
* THE FULL LICENSE SPECIFYING FOR THE SOFTWARE THE REDISTRIBUTION, MODIFICATION,
* USAGE AND OTHER RIGHTS AND OBLIGATIONS IS INCLUDED WITH THE DISTRIBUTION OF THIS
* PROJECT IN THE FILE LICENSE.HTML. IF THE LICENSE IS NOT INCLUDED YOU MAY FIND A COPY
* AT HTTP://WWW.DESY.DE/LEGAL/LICENSE.HTM
*/
package org.csstudio.sds.ui.internal.properties.view;
import org.csstudio.sds.ui.internal.localization.Messages;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.SWTError;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.ui.PlatformUI;
/**
* Copies a property to the clipboard.
*
* @author Sven Wende
*/
final class CopyPropertyAction extends PropertySheetAction {
/**
* System clipboard.
*/
private Clipboard _clipboard;
/**
* Creates the action.
*
* @param viewer the viewer
* @param name the name
* @param clipboard the clipboard
*/
public CopyPropertyAction(final PropertySheetViewer viewer, final String name,
final Clipboard clipboard) {
super(viewer, name);
PlatformUI.getWorkbench().getHelpSystem().setHelp(this,
IPropertiesHelpContextIds.COPY_PROPERTY_ACTION);
_clipboard = clipboard;
}
/**
* Performs this action.
*/
@Override
public void run() {
// Get the selected property
IStructuredSelection selection = (IStructuredSelection) getPropertySheet()
.getSelection();
if (selection.isEmpty()) {
return;
}
// Assume single selection
IPropertySheetEntry entry = (IPropertySheetEntry) selection
.getFirstElement();
// Place text on the clipboard
StringBuffer buffer = new StringBuffer();
buffer.append(entry.getDisplayName());
buffer.append("\t"); //$NON-NLS-1$
buffer.append(entry.getValueAsString());
setClipboard(buffer.toString());
}
/**
* Updates enablement based on the current selection.
*
* @param sel the selection
*/
public void selectionChanged(final IStructuredSelection sel) {
setEnabled(!sel.isEmpty());
}
/**
* Stores the specified text on the clipboard.
* @param text the text
*/
private void setClipboard(final String text) {
try {
Object[] data = new Object[] { text };
Transfer[] transferTypes = new Transfer[] { TextTransfer
.getInstance() };
_clipboard.setContents(data, transferTypes);
} catch (SWTError e) {
if (e.code != DND.ERROR_CANNOT_SET_CLIPBOARD) {
throw e;
}
if (MessageDialog.openQuestion(getPropertySheet().getControl()
.getShell(), Messages.CopyToClipboardProblemDialog_title,
Messages.CopyToClipboardProblemDialog_message)) {
setClipboard(text);
}
}
}
}