/*
* 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.trading;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.core.internal.runtime.AdapterManager;
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.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.ViewerSorter;
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.IWorkbenchPropertyPage;
import org.eclipse.ui.dialogs.PropertyPage;
import org.eclipsetrader.core.feed.IFeedService;
import org.eclipsetrader.core.internal.trading.MarketBroker;
import org.eclipsetrader.core.internal.trading.MarketBrokerAdapterFactory;
import org.eclipsetrader.core.markets.IMarket;
import org.eclipsetrader.core.trading.IBroker;
import org.eclipsetrader.core.trading.ITradingService;
import org.eclipsetrader.ui.internal.UIActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
@SuppressWarnings("restriction")
public class MarketTradingPage extends PropertyPage implements IWorkbenchPropertyPage {
ComboViewer brokerCombo;
public MarketTradingPage() {
setTitle(Messages.MarketTradingPage_Title);
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(Messages.MarketTradingPage_BrokerLabel);
label.setLayoutData(new GridData(convertHorizontalDLUsToPixels(80), SWT.DEFAULT));
brokerCombo = new ComboViewer(content, SWT.READ_ONLY);
brokerCombo.getCombo().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
brokerCombo.getCombo().setVisibleItemCount(15);
brokerCombo.setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
if (!(element instanceof IBroker)) {
return Messages.MarketTradingPage_None_Element;
}
return ((IBroker) element).getName();
}
});
brokerCombo.setSorter(new ViewerSorter() {
@Override
public int category(Object element) {
if (element instanceof IBroker) {
return 1;
}
return 0;
}
});
brokerCombo.setContentProvider(new ArrayContentProvider());
List<Object> brokers = new ArrayList<Object>();
brokers.add(new Object());
if (getTradingService() != null) {
brokers.addAll(Arrays.asList(getTradingService().getBrokers()));
}
brokerCombo.setInput(brokers.toArray());
brokerCombo.setSelection(new StructuredSelection(brokers.get(0)));
IMarket market = (IMarket) getElement().getAdapter(IMarket.class);
if (market != null) {
IBroker broker = (IBroker) market.getAdapter(IBroker.class);
if (broker != null) {
if (!brokers.contains(broker)) {
brokers.add(broker);
brokerCombo.setInput(brokers.toArray());
}
brokerCombo.setSelection(new StructuredSelection(broker));
}
}
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()) {
IMarket market = (IMarket) getElement().getAdapter(IMarket.class);
MarketBrokerAdapterFactory adapter = (MarketBrokerAdapterFactory) AdapterManager.getDefault().getAdapter(market, MarketBrokerAdapterFactory.class);
Object s = ((IStructuredSelection) brokerCombo.getSelection()).getFirstElement();
if (s instanceof IBroker) {
MarketBroker marketBroker = new MarketBroker(market);
marketBroker.setConnector(s instanceof IBroker ? (IBroker) s : null);
adapter.addOverride(marketBroker);
}
else {
adapter.clearOverride(market);
}
}
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, Messages.MarketTradingPage_ErrorReadingFeedService, e);
UIActivator.getDefault().getLog().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, Messages.MarketTradingPage_ErrorReadingTradingService, e);
UIActivator.getDefault().getLog().log(status);
}
return null;
}
}