/*
* 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.wizards;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.Currency;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
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.jface.wizard.WizardPage;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
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.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipsetrader.core.repositories.IRepository;
import org.eclipsetrader.core.repositories.IRepositoryService;
import org.eclipsetrader.ui.internal.UIActivator;
public class CurrencyExchangePage extends WizardPage {
private Text name;
private ComboViewer fromCurrency;
private ComboViewer toCurrency;
private ComboViewer repository;
private ModifyListener modifyListener = new ModifyListener() {
@Override
public void modifyText(ModifyEvent e) {
if (isCurrentPage()) {
getContainer().updateButtons();
}
}
};
public CurrencyExchangePage() {
super("name", "Currency Exchange", null);
setDescription("Create a new Currency Exchange");
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
*/
@Override
public void createControl(Composite parent) {
Composite content = new Composite(parent, SWT.NONE);
content.setLayout(new GridLayout(2, false));
setControl(content);
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));
name.addModifyListener(modifyListener);
name.setFocus();
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) {
Locale locale = (Locale) element;
return NLS.bind("{0} ({1})", new Object[] {
locale.getDisplayCountry(),
Currency.getInstance(locale).getCurrencyCode(),
});
}
});
fromCurrency.setContentProvider(new ArrayContentProvider());
fromCurrency.setSorter(new ViewerSorter());
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) {
Locale locale = (Locale) element;
return NLS.bind("{0} ({1})", new Object[] {
locale.getDisplayCountry(),
Currency.getInstance(locale).getCurrencyCode(),
});
}
});
toCurrency.setContentProvider(new ArrayContentProvider());
toCurrency.setSorter(new ViewerSorter());
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));
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());
repository.setInput(getRepositoryService().getRepositories());
repository.setSelection(new StructuredSelection(getRepositoryService().getRepository("local")));
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);
}
}
for (Iterator<Locale> iter = locale.iterator(); iter.hasNext();) {
try {
if (Currency.getInstance(iter.next()) == null) {
iter.remove();
}
} catch (Exception e) {
iter.remove();
}
}
fromCurrency.setInput(locale);
fromCurrency.setSelection(new StructuredSelection(Locale.getDefault()));
toCurrency.setInput(locale);
fromCurrency.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
if (isCurrentPage()) {
getContainer().updateButtons();
}
}
});
toCurrency.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
if (isCurrentPage()) {
getContainer().updateButtons();
}
}
});
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.DialogPage#setVisible(boolean)
*/
@Override
public void setVisible(boolean visible) {
name.setFocus();
super.setVisible(visible);
}
protected IRepositoryService getRepositoryService() {
return UIActivator.getDefault().getRepositoryService();
}
/* (non-Javadoc)
* @see org.eclipse.jface.wizard.WizardPage#isPageComplete()
*/
@Override
public boolean isPageComplete() {
if (name.getText().equals("")) {
return false;
}
if (getRepositoryService().getSecurityFromName(name.getText()) != null) {
setErrorMessage("A security with the same name already exists. Choose a different name.");
return false;
}
if (fromCurrency.getSelection().isEmpty() || toCurrency.getSelection().isEmpty()) {
return false;
}
Object from = ((IStructuredSelection) fromCurrency.getSelection()).getFirstElement();
Object to = ((IStructuredSelection) toCurrency.getSelection()).getFirstElement();
if (from.equals(to)) {
return false;
}
if (getErrorMessage() != null) {
setErrorMessage(null);
}
return true;
}
public String getSecurityName() {
return name.getText();
}
public Currency getFromCurrency() {
IStructuredSelection selection = (IStructuredSelection) fromCurrency.getSelection();
return Currency.getInstance((Locale) selection.getFirstElement());
}
public Currency getToCurrency() {
IStructuredSelection selection = (IStructuredSelection) toCurrency.getSelection();
return Currency.getInstance((Locale) selection.getFirstElement());
}
public IRepository getRepository() {
return (IRepository) ((IStructuredSelection) repository.getSelection()).getFirstElement();
}
}