/*
* 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.text.DateFormat;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ICellModifier;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
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.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.ui.IWorkbenchPropertyPage;
import org.eclipse.ui.dialogs.PropertyPage;
import org.eclipsetrader.core.feed.Dividend;
import org.eclipsetrader.core.feed.IDividend;
import org.eclipsetrader.core.instruments.IStock;
import org.eclipsetrader.core.instruments.Stock;
import org.eclipsetrader.ui.DateCellEditor;
import org.eclipsetrader.ui.DoubleCellEditor;
import org.eclipsetrader.ui.Util;
public class DividendsProperties extends PropertyPage implements IWorkbenchPropertyPage {
TableViewer viewer;
Button add;
Button remove;
List<IDividend> input;
DateFormat dateFormat = Util.getDateFormat();
NumberFormat numberFormat = NumberFormat.getInstance();
class DividendLabelProvider extends LabelProvider implements ITableLabelProvider {
@Override
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
@Override
public String getColumnText(Object element, int columnIndex) {
IDividend dividend = (IDividend) element;
switch (columnIndex) {
case 0:
return dateFormat.format(dividend.getExDate());
case 1:
return numberFormat.format(dividend.getValue());
}
return "";
}
}
class DividendCellModifier implements ICellModifier {
@Override
public boolean canModify(Object element, String property) {
return element instanceof Dividend;
}
@Override
public Object getValue(Object element, String property) {
Dividend dividend = (Dividend) element;
if ("ex-date".equals(property)) {
return dividend.getExDate();
}
if ("amount".equals(property)) {
return dividend.getValue();
}
return null;
}
@Override
public void modify(Object element, String property, Object value) {
Dividend dividend = (Dividend) (element instanceof Dividend ? element : ((TableItem) element).getData());
if ("ex-date".equals(property)) {
dividend.setExDate((Date) value);
}
else if ("amount".equals(property)) {
dividend.setValue((Double) value);
}
viewer.update(dividend, null);
}
}
public DividendsProperties() {
setTitle("Dividends");
}
/* (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);
viewer = new TableViewer(content, SWT.BORDER | SWT.FULL_SELECTION | SWT.MULTI | SWT.V_SCROLL);
viewer.getTable().setHeaderVisible(true);
viewer.getTable().setLinesVisible(false);
viewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
((GridData) viewer.getControl().getLayoutData()).heightHint = viewer.getTable().getItemHeight() * 5;
TableColumn tableColumn = new TableColumn(viewer.getTable(), SWT.NONE);
tableColumn.setText("Ex. Date");
tableColumn.setWidth(convertHorizontalDLUsToPixels(70));
tableColumn = new TableColumn(viewer.getTable(), SWT.NONE);
tableColumn.setText("Amount");
tableColumn.setWidth(convertHorizontalDLUsToPixels(70));
viewer.setLabelProvider(new DividendLabelProvider());
viewer.setContentProvider(new ArrayContentProvider());
viewer.setComparator(new ViewerComparator() {
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
return ((IDividend) e1).getExDate().compareTo(((IDividend) e2).getExDate());
}
});
viewer.setCellModifier(new DividendCellModifier());
viewer.setColumnProperties(new String[] {
"ex-date", "amount"
});
viewer.setCellEditors(new CellEditor[] {
new DateCellEditor(viewer.getTable()),
new DoubleCellEditor(viewer.getTable()),
});
viewer.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
remove.setEnabled(!event.getSelection().isEmpty());
}
});
createButtonsGroup(content);
performDefaults();
return content;
}
void createButtonsGroup(Composite parent) {
Composite content = new Composite(parent, SWT.NONE);
GridLayout gridLayout = new GridLayout(1, false);
gridLayout.marginWidth = gridLayout.marginHeight = 0;
content.setLayout(gridLayout);
content.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
add = new Button(content, SWT.PUSH);
add.setText("Add");
add.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
add.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
input.add(new Dividend(new Date(), 0.0));
viewer.refresh();
}
});
remove = new Button(content, SWT.PUSH);
remove.setText("Remove");
remove.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
remove.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
input.removeAll(selection.toList());
viewer.refresh();
}
});
remove.setEnabled(false);
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performDefaults()
*/
@Override
protected void performDefaults() {
IStock security = (IStock) getElement().getAdapter(IStock.class);
input = new ArrayList<IDividend>();
IDividend[] dividends = security.getDividends();
if (dividends != null) {
input.addAll(Arrays.asList(dividends));
}
viewer.setInput(input);
super.performDefaults();
}
protected void applyChanges() {
Stock security = (Stock) getElement().getAdapter(Stock.class);
security.setDividends(input.toArray(new IDividend[input.size()]));
}
/* (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 (getControl() != null) {
applyChanges();
}
return super.performOk();
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performApply()
*/
@Override
protected void performApply() {
applyChanges();
super.performApply();
}
}