/*
* 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.Collections;
import java.util.Comparator;
import java.util.Currency;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
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.custom.BusyIndicator;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
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.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IWorkbenchPropertyPage;
import org.eclipse.ui.dialogs.PropertyPage;
import org.eclipsetrader.core.instruments.CurrencyExchange;
import org.eclipsetrader.core.instruments.ICurrencyExchange;
import org.eclipsetrader.core.instruments.ISecurity;
import org.eclipsetrader.core.repositories.IRepository;
import org.eclipsetrader.core.repositories.IRepositoryRunnable;
import org.eclipsetrader.core.repositories.IRepositoryService;
import org.eclipsetrader.core.repositories.IStoreObject;
import org.eclipsetrader.ui.internal.UIActivator;
public class CurrencyGeneralProperties extends PropertyPage implements IWorkbenchPropertyPage {
private Text name;
private ComboViewer fromCurrency;
private ComboViewer toCurrency;
private ComboViewer repository;
private IRepository targetRepository;
private ModifyListener modifyListener = new ModifyListener() {
@Override
public void modifyText(ModifyEvent e) {
setValid(isValid());
}
};
public CurrencyGeneralProperties() {
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("Security name:");
name = new Text(content, SWT.BORDER);
name.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
label = new Label(content, SWT.NONE);
label.setText("From Currency:");
fromCurrency = new ComboViewer(content, SWT.READ_ONLY);
fromCurrency.setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
Currency c = (Currency) element;
return c.getCurrencyCode();
}
});
fromCurrency.setContentProvider(new ArrayContentProvider());
fromCurrency.setSorter(new ViewerSorter());
fromCurrency.setInput(getAvailableCurrencies());
label = new Label(content, SWT.NONE);
label.setText("To Currency:");
toCurrency = new ComboViewer(content, SWT.READ_ONLY);
toCurrency.setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
Currency c = (Currency) element;
return c.getCurrencyCode();
}
});
toCurrency.setContentProvider(new ArrayContentProvider());
toCurrency.setSorter(new ViewerSorter());
toCurrency.setInput(getAvailableCurrencies());
label = new Label(content, SWT.NONE);
label.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
label = new Label(content, SWT.NONE);
label.setText("Target repository:");
label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
label.setEnabled(false);
repository = new ComboViewer(content, SWT.READ_ONLY);
repository.getControl().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
repository.setLabelProvider(new LabelProvider());
repository.setContentProvider(new ArrayContentProvider());
repository.setSorter(new ViewerSorter());
IRepository[] repositories = getRepositoryService().getRepositories();
repository.setInput(repositories);
repository.getControl().setEnabled(repositories.length > 1);
performDefaults();
name.addModifyListener(modifyListener);
return content;
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performDefaults()
*/
@Override
protected void performDefaults() {
ICurrencyExchange security = (ICurrencyExchange) getElement().getAdapter(ICurrencyExchange.class);
name.setText(security.getName());
fromCurrency.setSelection(new StructuredSelection(security.getFromCurrency()));
toCurrency.setSelection(new StructuredSelection(security.getToCurrency()));
IStoreObject storeObject = (IStoreObject) security.getAdapter(IStoreObject.class);
repository.setSelection(new StructuredSelection(storeObject.getStore().getRepository()));
super.performDefaults();
}
protected void applyChanges() {
CurrencyExchange security = (CurrencyExchange) getElement().getAdapter(CurrencyExchange.class);
if (security != null) {
security.setName(name.getText());
IStructuredSelection selection = (IStructuredSelection) fromCurrency.getSelection();
security.setFromCurrency((Currency) selection.getFirstElement());
selection = (IStructuredSelection) toCurrency.getSelection();
security.setToCurrency((Currency) selection.getFirstElement());
}
targetRepository = (IRepository) ((IStructuredSelection) repository.getSelection()).getFirstElement();
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#isValid()
*/
@Override
public boolean isValid() {
if (name.getText().equals("")) {
setErrorMessage("The security must have a name.");
return false;
}
ISecurity security = getRepositoryService().getSecurityFromName(name.getText());
if (security != null && security != getElement().getAdapter(ISecurity.class)) {
setErrorMessage("A security with the same name already exists. Choose a different name.");
return false;
}
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();
final ISecurity security = (ISecurity) getElement().getAdapter(ISecurity.class);
final IRepositoryService service = getRepositoryService();
BusyIndicator.showWhile(Display.getDefault(), new Runnable() {
@Override
public void run() {
service.runInService(new IRepositoryRunnable() {
@Override
public IStatus run(IProgressMonitor monitor) throws Exception {
IStoreObject storeObject = (IStoreObject) security.getAdapter(IStoreObject.class);
if (targetRepository != storeObject.getStore().getRepository()) {
service.moveAdaptable(new IAdaptable[] {
security
}, targetRepository);
}
else {
service.saveAdaptable(new IAdaptable[] {
security
});
}
return Status.OK_STATUS;
}
}, null);
}
});
super.performApply();
}
protected IRepositoryService getRepositoryService() {
return UIActivator.getDefault().getRepositoryService();
}
protected Set<Currency> getAvailableCurrencies() {
List<Locale> locale = new ArrayList<Locale>(Arrays.asList(Locale.getAvailableLocales()));
Collections.sort(locale, new Comparator<Locale>() {
@Override
public int compare(Locale arg0, Locale arg1) {
return arg0.getDisplayCountry().compareTo(arg1.getDisplayCountry());
}
});
for (int i = locale.size() - 1; i >= 1; i--) {
if (locale.get(i).getDisplayCountry().equals(locale.get(i - 1).getDisplayCountry()) == true) {
locale.remove(i);
}
}
Set<Currency> result = new HashSet<Currency>();
for (Iterator<Locale> iter = locale.iterator(); iter.hasNext();) {
try {
Currency c = Currency.getInstance(iter.next());
if (c == null) {
iter.remove();
}
else {
result.add(c);
}
} catch (Exception e) {
iter.remove();
}
}
return result;
}
public IRepository getRepository() {
return targetRepository;
}
}