/****************************************************************************
* Copyright (c) 2004 Composent, Inc. 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:
* Composent, Inc. - initial API and implementation
*****************************************************************************/
package org.eclipse.ecf.presence.collab.ui.view;
import java.util.Hashtable;
import java.util.Map;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.ecf.core.util.ECFException;
import org.eclipse.ecf.datashare.IChannelContainerAdapter;
import org.eclipse.ecf.internal.presence.collab.ui.Activator;
import org.eclipse.ecf.internal.presence.collab.ui.Messages;
import org.eclipse.ecf.internal.presence.collab.ui.view.ShowViewDialogLabelProvider;
import org.eclipse.ecf.internal.presence.collab.ui.view.ShowViewDialogTreeContentProvider;
import org.eclipse.ecf.internal.presence.collab.ui.view.ShowViewDialogViewerFilter;
import org.eclipse.ecf.presence.collab.ui.AbstractCollabShare;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.jface.window.Window;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
import org.eclipse.ui.dialogs.ISelectionStatusValidator;
import org.eclipse.ui.views.IViewDescriptor;
import org.eclipse.ui.views.IViewRegistry;
/**
* Send/receive requests to share a specific view (identified by view ID).
*/
public class ViewShare extends AbstractCollabShare {
private static final Map viewSharechannels = new Hashtable();
public static ViewShare getViewShare(ID containerID) {
return (ViewShare) viewSharechannels.get(containerID);
}
public static ViewShare addViewShare(ID containerID, IChannelContainerAdapter channelAdapter) throws ECFException {
return (ViewShare) viewSharechannels.put(containerID, new ViewShare(channelAdapter));
}
public static ViewShare removeViewShare(ID containerID) {
return (ViewShare) viewSharechannels.remove(containerID);
}
public ViewShare(IChannelContainerAdapter adapter) throws ECFException {
super(adapter);
}
private void handleOpenViewRequest(final String user, final String viewID, final String secondaryID, final int mode) {
Display.getDefault().asyncExec(new Runnable() {
public void run() {
// Ask user if they want to display view.
if (MessageDialog.openQuestion(null, Messages.ViewShare_VIEWSHARE_RECEIVED_REQUEST_TITLE, NLS.bind(Messages.ViewShare_VIEWSHARE_RECEIVED_REQUEST_MESSAGE, user))) {
try {
final IWorkbenchWindow ww = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
final IWorkbenchPage wp = ww.getActivePage();
if (wp == null)
throw new PartInitException(Messages.ViewShare_EXCEPTION_WORKBENCHPAGE_NULL);
// Actually show view requested
wp.showView(viewID, secondaryID, mode);
} catch (final Exception e) {
logError(Messages.ViewShare_VIEWSHARE_ERROR_LOG_MESSAGE, e);
}
}
}
});
}
public void sendOpenViewRequest(final String senderuser, final ID toID) {
Display.getDefault().asyncExec(new Runnable() {
public void run() {
final IWorkbenchWindow ww = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
final IWorkbenchPage page = ww.getActivePage();
if (page == null)
return;
final ElementTreeSelectionDialog dlg = new ElementTreeSelectionDialog(null, new ShowViewDialogLabelProvider(), new ShowViewDialogTreeContentProvider());
dlg.setTitle(Messages.ViewShare_VIEWSHARE_VIEW_REQUEST_DIALOG_TITLE);
dlg.setMessage(Messages.ViewShare_VIEWSHARE_VIEW_REQUEST_DIALOG_MESSAGE);
dlg.addFilter(new ShowViewDialogViewerFilter());
dlg.setComparator(new ViewerComparator());
dlg.setValidator(new ISelectionStatusValidator() {
public IStatus validate(Object[] selection) {
for (int i = 0; i < selection.length; ++i)
if (!(selection[i] instanceof IViewDescriptor))
return new Status(IStatus.ERROR, Activator.PLUGIN_ID, 0, "", null); //$NON-NLS-1$
return new Status(IStatus.OK, Activator.getDefault().getBundle().getSymbolicName(), 0, "", null); //$NON-NLS-1$
}
});
final IViewRegistry reg = PlatformUI.getWorkbench().getViewRegistry();
dlg.setInput(reg);
dlg.open();
if (dlg.getReturnCode() == Window.CANCEL)
return;
final Object[] descs = dlg.getResult();
if (descs == null)
return;
final String[] selectedIDs = new String[descs.length];
for (int i = 0; i < descs.length; ++i) {
selectedIDs[i] = ((IViewDescriptor) descs[i]).getId();
try {
// Actually send messages to target remote user (toID),
// with selectedIDs (view IDs) to show
sendMessage(toID, serialize(new Object[] {senderuser, selectedIDs[i]}));
} catch (final ECFException e) {
logError(e.getStatus());
} catch (final Exception e) {
logError(Messages.Share_EXCEPTION_LOG_SEND, e);
}
}
}
});
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.datashare.AbstractShare#handleChannelData(byte[])
*/
protected void handleMessage(ID fromContainerID, byte[] data) {
try {
final Object[] msg = (Object[]) deserialize(data);
handleOpenViewRequest((String) msg[0], (String) msg[1], null, IWorkbenchPage.VIEW_ACTIVATE);
} catch (final Exception e) {
logError(Messages.Share_EXCEPTION_LOG_MESSAGE, e);
}
}
}