/*
* 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.securities.properties;
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.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.ui.IWorkbenchPropertyPage;
import org.eclipse.ui.dialogs.PropertyPage;
import org.eclipsetrader.core.feed.IBackfillConnector;
import org.eclipsetrader.core.feed.IConnectorOverride;
import org.eclipsetrader.core.feed.IFeedConnector;
import org.eclipsetrader.core.feed.IFeedService;
import org.eclipsetrader.core.instruments.ISecurity;
import org.eclipsetrader.core.internal.CoreActivator;
import org.eclipsetrader.core.internal.feed.ConnectorOverride;
import org.eclipsetrader.core.internal.feed.ConnectorOverrideAdapter;
import org.eclipsetrader.ui.internal.UIActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
@SuppressWarnings("restriction")
public class ConnectorOverrideProperties extends PropertyPage implements IWorkbenchPropertyPage {
Button liveFeedOverride;
ComboViewer liveFeed;
Button backfillFeedOverride;
ComboViewer backfillFeed;
Button intradayBackfillFeedOverride;
ComboViewer intradayBackfillFeed;
public ConnectorOverrideProperties() {
setTitle("Overrides");
}
/* (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(1, false);
gridLayout.marginWidth = gridLayout.marginHeight = 0;
content.setLayout(gridLayout);
initializeDialogUnits(content);
liveFeedOverride = new Button(content, SWT.CHECK);
liveFeedOverride.setText("Live Feed");
liveFeedOverride.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
liveFeed.getControl().setEnabled(liveFeedOverride.getSelection());
}
});
liveFeed = new ComboViewer(content, SWT.READ_ONLY);
liveFeed.getControl().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
((GridData) liveFeed.getControl().getLayoutData()).horizontalIndent = convertHorizontalDLUsToPixels(32);
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());
liveFeed.setContentProvider(new ArrayContentProvider());
backfillFeedOverride = new Button(content, SWT.CHECK);
backfillFeedOverride.setText("History Backfill");
backfillFeedOverride.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
backfillFeed.getControl().setEnabled(backfillFeedOverride.getSelection());
}
});
backfillFeed = new ComboViewer(content, SWT.READ_ONLY);
backfillFeed.getControl().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
((GridData) backfillFeed.getControl().getLayoutData()).horizontalIndent = convertHorizontalDLUsToPixels(32);
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());
backfillFeed.setContentProvider(new ArrayContentProvider());
intradayBackfillFeedOverride = new Button(content, SWT.CHECK);
intradayBackfillFeedOverride.setText("Intraday Backfill");
intradayBackfillFeedOverride.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
intradayBackfillFeed.getControl().setEnabled(intradayBackfillFeedOverride.getSelection());
}
});
intradayBackfillFeed = new ComboViewer(content, SWT.READ_ONLY);
intradayBackfillFeed.getControl().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
((GridData) intradayBackfillFeed.getControl().getLayoutData()).horizontalIndent = convertHorizontalDLUsToPixels(32);
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());
intradayBackfillFeed.setContentProvider(new ArrayContentProvider());
List<Object> feedConnectors = new ArrayList<Object>();
if (getFeedService() != null) {
feedConnectors.addAll(Arrays.asList(getFeedService().getConnectors()));
}
liveFeed.setInput(feedConnectors.toArray());
List<Object> backfillConnectors = new ArrayList<Object>();
if (getFeedService() != null) {
backfillConnectors.addAll(Arrays.asList(getFeedService().getBackfillConnectors()));
}
backfillFeed.setInput(backfillConnectors.toArray());
intradayBackfillFeed.setInput(backfillConnectors.toArray());
performDefaults();
return content;
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performDefaults()
*/
@Override
protected void performDefaults() {
ISecurity security = (ISecurity) getElement().getAdapter(ISecurity.class);
IConnectorOverride override = (IConnectorOverride) AdapterManager.getDefault().getAdapter(security, IConnectorOverride.class);
if (override != null) {
liveFeed.setSelection(override.getLiveFeedConnector() != null ? new StructuredSelection(override.getLiveFeedConnector()) : StructuredSelection.EMPTY);
backfillFeed.setSelection(override.getBackfillConnector() != null ? new StructuredSelection(override.getBackfillConnector()) : StructuredSelection.EMPTY);
intradayBackfillFeed.setSelection(override.getIntradayBackfillConnector() != null ? new StructuredSelection(override.getIntradayBackfillConnector()) : StructuredSelection.EMPTY);
}
liveFeedOverride.setSelection(!liveFeed.getSelection().isEmpty());
liveFeed.getControl().setEnabled(liveFeedOverride.getSelection());
backfillFeedOverride.setSelection(!backfillFeed.getSelection().isEmpty());
backfillFeed.getControl().setEnabled(backfillFeedOverride.getSelection());
intradayBackfillFeedOverride.setSelection(!intradayBackfillFeed.getSelection().isEmpty());
intradayBackfillFeed.getControl().setEnabled(intradayBackfillFeedOverride.getSelection());
super.performDefaults();
}
protected void applyChanges() {
ISecurity security = (ISecurity) getElement().getAdapter(ISecurity.class);
ConnectorOverrideAdapter adapter = (ConnectorOverrideAdapter) AdapterManager.getDefault().getAdapter(security, ConnectorOverrideAdapter.class);
if (!liveFeedOverride.getSelection() && !backfillFeedOverride.getSelection() && !intradayBackfillFeedOverride.getSelection()) {
adapter.clearOverride(security);
}
else {
ConnectorOverride override = new ConnectorOverride(security);
IStructuredSelection selection = (IStructuredSelection) liveFeed.getSelection();
override.setLiveFeedConnector((IFeedConnector) selection.getFirstElement());
selection = (IStructuredSelection) backfillFeed.getSelection();
override.setBackfillConnector((IBackfillConnector) selection.getFirstElement());
selection = (IStructuredSelection) intradayBackfillFeed.getSelection();
override.setIntradayBackfillConnector((IBackfillConnector) selection.getFirstElement());
adapter.addOverride(override);
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performOk()
*/
@Override
public boolean performOk() {
if (getControl() != null) {
applyChanges();
}
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.getDefault().getLog().log(status);
}
return null;
}
}