/*
* 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.ats.monitor;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.ISelection;
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.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Spinner;
import org.eclipse.ui.IWorkbenchPropertyPage;
import org.eclipse.ui.dialogs.PropertyPage;
import org.eclipsetrader.core.internal.ats.TradingSystem;
import org.eclipsetrader.core.internal.ats.TradingSystemProperties;
import org.eclipsetrader.core.trading.IAccount;
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;
public class GeneralProperties extends PropertyPage implements IWorkbenchPropertyPage {
private ComboViewer broker;
private ComboViewer account;
private Spinner backfill;
private Button autostart;
private final ISelectionChangedListener changeListener = new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
IStructuredSelection selection = (IStructuredSelection) event.getSelection();
handleBrokerSelectionChange(selection);
}
};
public GeneralProperties() {
setTitle("General");
}
/* (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("Broker:");
label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
broker = new ComboViewer(content, SWT.READ_ONLY);
broker.getControl().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
broker.setContentProvider(new ArrayContentProvider());
broker.setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
return ((IBroker) element).getName();
}
});
broker.setSorter(new ViewerSorter());
label = new Label(content, SWT.NONE);
label.setText("Account:");
label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
account = new ComboViewer(content, SWT.READ_ONLY);
account.getControl().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
account.setContentProvider(new ArrayContentProvider());
account.setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
return ((IAccount) element).getDescription();
}
});
account.setSorter(new ViewerSorter());
account.getControl().setEnabled(false);
label = new Label(content, SWT.NONE);
label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
label = new Label(content, SWT.NONE);
label.setText("Initial Backfill Size");
backfill = new Spinner(content, SWT.BORDER);
backfill.setValues(0, 0, 99999, 0, 1, 1);
label = new Label(content, SWT.NONE);
label.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
autostart = new Button(content, SWT.CHECK);
autostart.setText("Start Automatically");
autostart.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false, 2, 1));
performDefaults();
broker.addSelectionChangedListener(changeListener);
return content;
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performDefaults()
*/
@Override
protected void performDefaults() {
TradingSystem system = (TradingSystem) getElement().getAdapter(TradingSystem.class);
TradingSystemProperties properties = system.getProperties();
BundleContext bundleContext = UIActivator.getDefault().getBundle().getBundleContext();
ServiceReference<ITradingService> serviceReference = bundleContext.getServiceReference(ITradingService.class);
ITradingService tradingService = bundleContext.getService(serviceReference);
autostart.setSelection(properties.isAutostart());
broker.setInput(tradingService.getBrokers());
if (properties.getBroker() != null) {
broker.setSelection(new StructuredSelection(properties.getBroker()));
}
else {
broker.setSelection(StructuredSelection.EMPTY);
}
handleBrokerSelectionChange((IStructuredSelection) broker.getSelection());
if (properties.getAccount() != null) {
account.setSelection(new StructuredSelection(properties.getAccount()));
}
else {
account.setSelection(StructuredSelection.EMPTY);
}
backfill.setSelection(properties.getBackfill());
bundleContext.ungetService(serviceReference);
super.performDefaults();
}
protected void applyChanges() {
TradingSystem system = (TradingSystem) getElement().getAdapter(TradingSystem.class);
TradingSystemProperties properties = system.getProperties();
properties.setAutostart(autostart.getSelection());
IStructuredSelection selection = (IStructuredSelection) broker.getSelection();
properties.setBroker((IBroker) selection.getFirstElement());
selection = (IStructuredSelection) account.getSelection();
properties.setAccount((IAccount) selection.getFirstElement());
properties.setBackfill(backfill.getSelection());
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#isValid()
*/
@Override
public boolean isValid() {
if (getErrorMessage() != null) {
setErrorMessage(null);
}
return true;
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performOk()
*/
@Override
public boolean performOk() {
if (getControl() != null) {
applyChanges();
}
return super.performOk();
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performApply()
*/
@Override
protected void performApply() {
applyChanges();
super.performApply();
}
private void handleBrokerSelectionChange(IStructuredSelection selection) {
IBroker connector = (IBroker) selection.getFirstElement();
if (connector != null) {
IAccount[] accounts = connector.getAccounts();
ISelection oldSelection = account.getSelection();
account.setInput(accounts);
account.setSelection(oldSelection);
if (account.getSelection().isEmpty() && accounts.length != 0) {
account.setSelection(new StructuredSelection(accounts[0]));
}
account.getControl().setEnabled(accounts.length > 0);
}
else {
account.setInput(new Object[0]);
account.getControl().setEnabled(false);
}
}
}