/*
* 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.markets;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.layout.TableColumnLayout;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ColumnPixelData;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
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.jface.window.Window;
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.swt.widgets.TableColumn;
import org.eclipse.ui.dialogs.PropertyPage;
import org.eclipsetrader.core.internal.markets.Market;
import org.eclipsetrader.core.internal.markets.MarketHoliday;
public class HolidaysPage extends PropertyPage {
TableViewer viewer;
Button add;
Button edit;
Button remove;
List<MarketHolidayElement> input;
public HolidaysPage() {
setTitle("Holidays");
noDefaultAndApplyButton();
}
/* (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);
content.setLayout(new GridLayout(2, false));
((GridLayout) content.getLayout()).marginWidth = 0;
((GridLayout) content.getLayout()).marginHeight = 0;
createViewer(content);
createButtons(content);
input = new ArrayList<MarketHolidayElement>();
if (getElement() != null) {
Market market = (Market) getElement().getAdapter(Market.class);
if (market != null) {
for (MarketHoliday day : market.getHolidays()) {
input.add(new MarketHolidayElement(day));
}
}
}
viewer.setInput(input);
updateButtonsEnablement();
return content;
}
protected void createViewer(Composite parent) {
Composite content = new Composite(parent, SWT.NONE);
TableColumnLayout tableLayout = new TableColumnLayout();
content.setLayout(tableLayout);
content.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
viewer = new TableViewer(content, SWT.MULTI | SWT.FULL_SELECTION | SWT.BORDER | SWT.V_SCROLL | SWT.H_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() * 8 + viewer.getTable().getBorderWidth() * 2;
TableColumn tableColumn = new TableColumn(viewer.getTable(), SWT.RIGHT);
tableColumn.setText("Date");
tableLayout.setColumnData(tableColumn, new ColumnPixelData(convertHorizontalDLUsToPixels(60)));
tableColumn = new TableColumn(viewer.getTable(), SWT.NONE);
tableColumn.setText("Description");
tableLayout.setColumnData(tableColumn, new ColumnWeightData(100));
viewer.setLabelProvider(new MarketHolidayLabelProvider());
viewer.setComparator(new ViewerComparator() {
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
return ((MarketHolidayElement) e1).getDate().compareTo(((MarketHolidayElement) e2).getDate());
}
});
viewer.setContentProvider(new ArrayContentProvider());
viewer.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
updateButtonsEnablement();
}
});
}
protected void createButtons(Composite parent) {
Composite content = new Composite(parent, SWT.NONE);
content.setLayout(new GridLayout(1, false));
((GridLayout) content.getLayout()).marginWidth = 0;
((GridLayout) content.getLayout()).marginHeight = 0;
content.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
add = new Button(content, SWT.PUSH);
add.setText("Add");
add.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
((GridData) add.getLayoutData()).widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
add.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
HolidayDialog dlg = new HolidayDialog(add.getShell(), null);
if (dlg.open() == Window.OK) {
input.add(dlg.getElement());
viewer.refresh();
}
}
});
edit = new Button(content, SWT.PUSH);
edit.setText("Edit");
edit.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
((GridData) edit.getLayoutData()).widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
edit.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
if (!selection.isEmpty()) {
MarketHolidayElement element = (MarketHolidayElement) selection.getFirstElement();
HolidayDialog dlg = new HolidayDialog(edit.getShell(), element);
if (dlg.open() == Window.OK) {
viewer.refresh();
}
}
}
});
remove = new Button(content, SWT.PUSH);
remove.setText("Remove");
remove.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
remove.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
if (!selection.isEmpty()) {
input.removeAll(selection.toList());
viewer.refresh();
}
}
});
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performOk()
*/
@Override
public boolean performOk() {
if (isControlCreated() && getElement() != null) {
Market market = (Market) getElement().getAdapter(Market.class);
if (market != null) {
MarketHoliday[] holidays = new MarketHoliday[input.size()];
for (int i = 0; i < input.size(); i++) {
holidays[i] = input.get(i).getMarketHoliday();
}
market.setHolidays(holidays);
}
}
return super.performOk();
}
protected void updateButtonsEnablement() {
IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
edit.setEnabled(selection.size() == 1);
remove.setEnabled(!selection.isEmpty());
}
}