/*
* Copyright (c) 2004-2011 Marco Maccaferri 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:
* Marco Maccaferri - initial API and implementation
*/
package org.eclipsetrader.ui.internal.markets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.dialogs.PropertyPage;
import org.eclipsetrader.core.feed.IBackfillConnector;
import org.eclipsetrader.core.feed.IFeedConnector;
import org.eclipsetrader.core.feed.IFeedService;
import org.eclipsetrader.core.internal.CoreActivator;
import org.eclipsetrader.core.internal.markets.Market;
import org.eclipsetrader.core.trading.ITradingService;
import org.eclipsetrader.ui.internal.UIActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
public class ConnectorsPage extends PropertyPage {
ComboViewer liveFeed;
ComboViewer backfillFeed;
ComboViewer intradayBackfillFeed;
public ConnectorsPage() {
setTitle("Connectors");
noDefaultAndApplyButton();
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
*/
@Override
protected Control createContents(Composite parent) {
Composite content = new Composite(parent, SWT.NONE);
GridLayout gridLayout = new GridLayout(2, false);
gridLayout.marginWidth = gridLayout.marginHeight = 0;
content.setLayout(gridLayout);
initializeDialogUnits(content);
Label label = new Label(content, SWT.NONE);
label.setText("Live Feed");
label.setLayoutData(new GridData(convertHorizontalDLUsToPixels(80), SWT.DEFAULT));
liveFeed = new ComboViewer(content, SWT.READ_ONLY);
liveFeed.getCombo().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
liveFeed.getCombo().setVisibleItemCount(15);
liveFeed.setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
if (!(element instanceof IFeedConnector)) {
IFeedConnector defaultConnector = CoreActivator.getDefault() != null ? CoreActivator.getDefault().getDefaultConnector() : null;
return NLS.bind("Default ({0})", new Object[] {
defaultConnector != null ? defaultConnector.getName() : "None",
});
}
return ((IFeedConnector) element).getName();
}
});
liveFeed.setSorter(new ViewerSorter() {
@Override
public int category(Object element) {
if (element instanceof IFeedConnector) {
return 1;
}
return 0;
}
});
liveFeed.setContentProvider(new ArrayContentProvider());
label = new Label(content, SWT.NONE);
label.setText("History Backfill");
label.setLayoutData(new GridData(convertHorizontalDLUsToPixels(80), SWT.DEFAULT));
backfillFeed = new ComboViewer(content, SWT.READ_ONLY);
backfillFeed.getCombo().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
backfillFeed.getCombo().setVisibleItemCount(15);
backfillFeed.setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
if (!(element instanceof IBackfillConnector)) {
return "None";
}
return ((IBackfillConnector) element).getName();
}
});
backfillFeed.setSorter(new ViewerSorter() {
@Override
public int category(Object element) {
if (element instanceof IBackfillConnector) {
return 1;
}
return 0;
}
});
backfillFeed.setContentProvider(new ArrayContentProvider());
label = new Label(content, SWT.NONE);
label.setText("Intraday Backfill");
label.setLayoutData(new GridData(convertHorizontalDLUsToPixels(80), SWT.DEFAULT));
intradayBackfillFeed = new ComboViewer(content, SWT.READ_ONLY);
intradayBackfillFeed.getCombo().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
intradayBackfillFeed.getCombo().setVisibleItemCount(15);
intradayBackfillFeed.setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
if (!(element instanceof IBackfillConnector)) {
Object o = ((IStructuredSelection) backfillFeed.getSelection()).getFirstElement();
return NLS.bind("Default ({0})", new Object[] {
o instanceof IBackfillConnector ? ((IBackfillConnector) o).getName() : "None",
});
}
return ((IBackfillConnector) element).getName();
}
});
intradayBackfillFeed.setSorter(new ViewerSorter() {
@Override
public int category(Object element) {
if (element instanceof IBackfillConnector) {
return 1;
}
return 0;
}
});
intradayBackfillFeed.setContentProvider(new ArrayContentProvider());
List<Object> feedConnectors = new ArrayList<Object>();
feedConnectors.add(new Object());
if (getFeedService() != null) {
feedConnectors.addAll(Arrays.asList(getFeedService().getConnectors()));
}
liveFeed.setInput(feedConnectors.toArray());
liveFeed.setSelection(new StructuredSelection(feedConnectors.get(0)));
final Object defaultBackfillElement = new Object();
List<Object> backfillConnectors = new ArrayList<Object>();
backfillConnectors.add(defaultBackfillElement);
if (getFeedService() != null) {
backfillConnectors.addAll(Arrays.asList(getFeedService().getBackfillConnectors()));
}
backfillFeed.setInput(backfillConnectors.toArray());
backfillFeed.setSelection(new StructuredSelection(defaultBackfillElement));
backfillFeed.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
intradayBackfillFeed.update(defaultBackfillElement, null);
}
});
intradayBackfillFeed.setInput(backfillConnectors.toArray());
intradayBackfillFeed.setSelection(new StructuredSelection(defaultBackfillElement));
Market market = (Market) getElement().getAdapter(Market.class);
if (market != null) {
IFeedConnector liveConnector = market.getLiveFeedConnector();
if (liveConnector != null) {
if (!feedConnectors.contains(liveConnector)) {
feedConnectors.add(liveConnector);
liveFeed.setInput(feedConnectors.toArray());
}
liveFeed.setSelection(new StructuredSelection(liveConnector));
}
IBackfillConnector backfillConnector = market.getBackfillConnector();
if (backfillConnector != null) {
if (!backfillConnectors.contains(backfillConnector)) {
backfillConnectors.add(backfillConnector);
backfillFeed.setInput(backfillConnectors.toArray());
intradayBackfillFeed.setInput(backfillConnectors.toArray());
}
backfillFeed.setSelection(new StructuredSelection(backfillConnector));
}
backfillConnector = market.getIntradayBackfillConnector();
if (backfillConnector != null) {
if (!backfillConnectors.contains(backfillConnector)) {
backfillConnectors.add(backfillConnector);
backfillFeed.setInput(backfillConnectors.toArray());
intradayBackfillFeed.setInput(backfillConnectors.toArray());
}
intradayBackfillFeed.setSelection(new StructuredSelection(backfillConnector));
}
else {
intradayBackfillFeed.setSelection(new StructuredSelection(defaultBackfillElement));
}
}
return content;
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#isValid()
*/
@Override
public boolean isValid() {
return true;
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performOk()
*/
@Override
public boolean performOk() {
if (isControlCreated() && getElement() != null) {
Market market = (Market) getElement().getAdapter(Market.class);
if (market != null) {
Object s = ((IStructuredSelection) liveFeed.getSelection()).getFirstElement();
market.setLiveFeedConnector(s instanceof IFeedConnector ? (IFeedConnector) s : null);
s = ((IStructuredSelection) backfillFeed.getSelection()).getFirstElement();
market.setBackfillConnector(s instanceof IBackfillConnector ? (IBackfillConnector) s : null);
s = ((IStructuredSelection) intradayBackfillFeed.getSelection()).getFirstElement();
market.setIntradayBackfillConnector(s instanceof IBackfillConnector ? (IBackfillConnector) s : null);
}
}
return super.performOk();
}
protected IFeedService getFeedService() {
if (UIActivator.getDefault() == null) {
return null;
}
try {
BundleContext context = UIActivator.getDefault().getBundle().getBundleContext();
ServiceReference serviceReference = context.getServiceReference(IFeedService.class.getName());
IFeedService service = (IFeedService) context.getService(serviceReference);
context.ungetService(serviceReference);
return service;
} catch (Exception e) {
Status status = new Status(IStatus.ERROR, UIActivator.PLUGIN_ID, 0, "Error reading feed service", e);
UIActivator.log(status);
}
return null;
}
protected ITradingService getTradingService() {
if (UIActivator.getDefault() == null) {
return null;
}
try {
BundleContext context = UIActivator.getDefault().getBundle().getBundleContext();
ServiceReference serviceReference = context.getServiceReference(ITradingService.class.getName());
ITradingService service = (ITradingService) context.getService(serviceReference);
context.ungetService(serviceReference);
return service;
} catch (Exception e) {
Status status = new Status(IStatus.ERROR, UIActivator.PLUGIN_ID, 0, "Error reading trading service", e);
UIActivator.log(status);
}
return null;
}
}