/*
* 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.dal.ui.internal.developmentsupport.util;
import java.util.ArrayList;
import java.util.List;
import org.csstudio.dal.ui.dnd.rfc.IProcessVariableAdressReceiver;
import org.csstudio.dal.ui.dnd.rfc.ProcessVariableExchangeUtil;
import org.csstudio.platform.model.pvs.IProcessVariableAddress;
import org.csstudio.platform.model.pvs.IProcessVariableAdressProvider;
import org.csstudio.platform.model.pvs.ProcessVariableAdressFactory;
import org.eclipse.jface.action.GroupMarker;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.DragSource;
import org.eclipse.swt.dnd.DragSourceAdapter;
import org.eclipse.swt.dnd.DragSourceEvent;
import org.eclipse.swt.dnd.DropTargetEvent;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.model.BaseWorkbenchContentProvider;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import org.eclipse.ui.part.ViewPart;
/**
* A view, which is used for DnD demos.
*
* @author Sven Wende
* @version $Revision$
*/
public final class ContainerView extends ViewPart {
private static String[] _sampleStrings;
private static IProcessVariableAddress[] _samplePvAdresses;
static {
_sampleStrings = new String[] { "a", "b" };
final ProcessVariableAdressFactory f = ProcessVariableAdressFactory
.getInstance();
_samplePvAdresses = new IProcessVariableAddress[] {
f.createProcessVariableAdress("epics://cryo/pump1"),
f.createProcessVariableAdress("epics://cryo/pump2"),
f.createProcessVariableAdress("epics://cryo/pump3"),
f.createProcessVariableAdress("tine://cryo/pump1"),
f.createProcessVariableAdress("tine://cryo/pump2"),
f.createProcessVariableAdress("tine://cryo/pump3"),
f.createProcessVariableAdress("tango://cryo/pump1"),
f.createProcessVariableAdress("tango://cryo/pump2"),
f.createProcessVariableAdress("tango://cryo/pump3"),
f.createProcessVariableAdress("dal-epics://cryo/pump1"),
f.createProcessVariableAdress("dal-epics://cryo/pump2"),
f.createProcessVariableAdress("dal-epics://cryo/pump3"),
f.createProcessVariableAdress("dal-tine://cryo/pump1"),
f.createProcessVariableAdress("dal-tine://cryo/pump2"),
f.createProcessVariableAdress("dal-tine://cryo/pump3"),
f.createProcessVariableAdress("dal-tango://cryo/pump1"),
f.createProcessVariableAdress("dal-tango://cryo/pump2"),
f.createProcessVariableAdress("dal-tango://cryo/pump3") };
}
/**
* The ID of this view as configured in the plugin manifest.
*/
public static final String ID = "org.csstudio.platform.developmentsupport.util.ui.ContainerView"; //$NON-NLS-1$
/**
* {@inheritDoc}
*/
@Override
public void createPartControl(final Composite parent) {
createPvProviderTree(parent);
createTextProviderTree(parent);
createPvConsumerTree(parent);
}
private final List<IProcessVariableAddress> _modelForPvConsumer = new ArrayList<IProcessVariableAddress>();
private void createPvConsumerTree(final Composite parent) {
final TreeViewer tv = new TreeViewer(parent);
tv.setContentProvider(new BaseWorkbenchContentProvider() {
/**
* {@inheritDoc}
*/
@Override
public Object[] getElements(final Object element) {
return ((List) element).toArray();
}
});
tv.setLabelProvider(new WorkbenchLabelProvider());
tv.setInput(_modelForPvConsumer);
getViewSite().setSelectionProvider(tv);
// add drag support
ProcessVariableExchangeUtil.addProcessVariableAddressDropSupport(tv
.getControl(), DND.DROP_MOVE | DND.DROP_COPY,
new IProcessVariableAdressReceiver() {
@Override
public void receive(final IProcessVariableAddress[] pvs,
final DropTargetEvent event) {
for (final IProcessVariableAddress pv : pvs) {
_modelForPvConsumer.add(pv);
}
tv.refresh();
}
});
// create context menu
configureContextMenu(tv);
}
private void createPvProviderTree(final Composite parent) {
final TreeViewer tv = new TreeViewer(parent);
tv.setContentProvider(new BaseWorkbenchContentProvider() {
/**
* {@inheritDoc}
*/
@Override
public Object[] getElements(final Object element) {
return (Object[]) element;
}
});
tv.setLabelProvider(new WorkbenchLabelProvider());
tv.setInput(_samplePvAdresses);
getViewSite().setSelectionProvider(tv);
// add drag support
ProcessVariableExchangeUtil.addProcessVariableAdressDragSupport(tv
.getTree(), DND.DROP_MOVE | DND.DROP_COPY,
new IProcessVariableAdressProvider() {
@Override
public IProcessVariableAddress getPVAdress() {
final List<IProcessVariableAddress> l = getProcessVariableAdresses();
if (l.size() > 0) {
return l.get(0);
}
return null;
}
@Override
public List<IProcessVariableAddress> getProcessVariableAdresses() {
final IStructuredSelection sel = (IStructuredSelection) tv
.getSelection();
final List<IProcessVariableAddress> list = sel
.toList();
return list;
}
});
// create context menu
configureContextMenu(tv);
}
private void createTextProviderTree(final Composite parent) {
final TreeViewer tv = new TreeViewer(parent);
tv.setContentProvider(new BaseWorkbenchContentProvider() {
/**
* {@inheritDoc}
*/
@Override
public Object[] getElements(final Object element) {
return (Object[]) element;
}
});
tv.setLabelProvider(new WorkbenchLabelProvider());
tv.setInput(_sampleStrings);
getViewSite().setSelectionProvider(tv);
// add drag support
// FIXME: nur Text-Support anbieten
// ProcessVariableExchangeUtil.addProcessVariableAdressDragSupport(
// pvAdressesTv.getTree(), DND.DROP_MOVE | DND.DROP_COPY, this);
final DragSource dragSource = new DragSource(tv.getControl(), DND.DROP_MOVE
| DND.DROP_COPY);
final Transfer[] types = new Transfer[] { TextTransfer.getInstance() };
dragSource.setTransfer(types);
dragSource.addDragListener(new DragSourceAdapter() {
@Override
public void dragSetData(final DragSourceEvent event) {
if (TextTransfer.getInstance().isSupportedType(event.dataType)) {
final IStructuredSelection sel = (IStructuredSelection) tv
.getSelection();
final List<String> list = sel.toList();
final StringBuffer sb = new StringBuffer();
for (final String s : list) {
sb.append(s);
sb.append("\n"); //$NON-NLS-1$
}
event.data = sb.toString();
}
}
});
// create context menu
configureContextMenu(tv);
}
/**
* {@inheritDoc}
*/
@Override
public void setFocus() {
}
/**
* Configures all listeners for the TreeViewer.
*/
private void configureContextMenu(final TreeViewer tv) {
final MenuManager menuMgr = new MenuManager("", ID); //$NON-NLS-1$
// menuMgr.add(new GroupMarker(IWorkbenchIds.GROUP_CSS_MB3));
menuMgr.add(new Separator());
menuMgr.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
menuMgr.setRemoveAllWhenShown(true);
final Menu contextMenu = menuMgr.createContextMenu(tv.getTree());
tv.getTree().setMenu(contextMenu);
// Register viewer with site. This has to be done before making the
// actions.
getViewSite().registerContextMenu(menuMgr, tv);
getViewSite().setSelectionProvider(tv);
}
}