/*
* 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.text.DateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Observable;
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.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.nebula.jface.cdatetime.CDateTimeCellEditor;
import org.eclipse.nebula.widgets.cdatetime.CDT;
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.eclipsetrader.core.internal.markets.MarketTime;
public class TimeScheduleEditor extends Observable {
private Composite content;
private TableViewer viewer;
private Button add;
private Button remove;
private List<MarketTimeElement> input = new ArrayList<MarketTimeElement>();
private class ScheduleElementLabelProvider extends LabelProvider implements ITableLabelProvider {
private DateFormat timeFormat = DateFormat.getTimeInstance(DateFormat.SHORT);
public ScheduleElementLabelProvider() {
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int)
*/
@Override
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
*/
@Override
public String getText(Object element) {
return getColumnText(element, 0);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
*/
@Override
public String getColumnText(Object element, int columnIndex) {
if (element instanceof MarketTimeElement) {
MarketTimeElement e = (MarketTimeElement) element;
switch (columnIndex) {
case 0:
return timeFormat.format(e.getOpenTime());
case 1:
return timeFormat.format(e.getCloseTime());
case 2:
return e.getDescription() != null ? e.getDescription() : "";
}
}
return ""; //$NON-NLS-1$
}
}
protected TimeScheduleEditor() {
}
public TimeScheduleEditor(Composite parent) {
content = new Composite(parent, SWT.NONE);
GridLayout gridLayout = new GridLayout(2, false);
gridLayout.marginWidth = gridLayout.marginHeight = 0;
content.setLayout(gridLayout);
content.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
createViewer(content);
createButtons(content);
}
protected void createViewer(Composite parent) {
viewer = new TableViewer(parent, SWT.MULTI | SWT.FULL_SELECTION | SWT.BORDER);
viewer.getTable().setHeaderVisible(true);
GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
gridData.heightHint = viewer.getTable().getItemHeight() * 5 + viewer.getTable().getBorderWidth() * 2;
viewer.getControl().setLayoutData(gridData);
TableColumn tableColumn = new TableColumn(viewer.getTable(), SWT.NONE);
tableColumn.setText("Open");
tableColumn.setWidth(70);
tableColumn = new TableColumn(viewer.getTable(), SWT.NONE);
tableColumn.setText("Close");
tableColumn.setWidth(70);
tableColumn = new TableColumn(viewer.getTable(), SWT.NONE);
tableColumn.setText("Description");
tableColumn.setWidth(150);
viewer.setLabelProvider(new ScheduleElementLabelProvider());
viewer.setContentProvider(new ArrayContentProvider());
viewer.setSorter(new ViewerSorter() {
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
return ((MarketTimeElement) e1).compareTo((MarketTimeElement) e2);
}
});
viewer.setCellModifier(new ICellModifier() {
@Override
public boolean canModify(Object element, String property) {
return true;
}
@Override
public Object getValue(Object element, String property) {
MarketTimeElement e = (MarketTimeElement) element;
int columnIndex = Integer.valueOf(property);
switch (columnIndex) {
case 0:
return e.getOpenTime();
case 1:
return e.getCloseTime();
case 2:
return e.getDescription() != null ? e.getDescription() : "";
}
return "";
}
@Override
public void modify(Object element, String property, Object value) {
MarketTimeElement e = (MarketTimeElement) (element instanceof TableItem ? ((TableItem) element).getData() : element);
int columnIndex = Integer.valueOf(property);
switch (columnIndex) {
case 0:
e.setOpenTime(normalizeDate((Date) value));
break;
case 1:
e.setCloseTime(normalizeDate((Date) value));
break;
case 2:
e.setDescription("".equals(value) ? null : value.toString());
break;
}
viewer.refresh();
setChanged();
notifyObservers();
}
private Date normalizeDate(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
return calendar.getTime();
}
});
viewer.setColumnProperties(new String[] {
"0", "1", "2"
});
viewer.setCellEditors(new CellEditor[] {
new CDateTimeCellEditor(viewer.getTable(), CDT.TIME_SHORT),
new CDateTimeCellEditor(viewer.getTable(), CDT.TIME_SHORT),
new TextCellEditor(viewer.getTable(), SWT.NONE),
});
viewer.setInput(input);
viewer.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
if (remove != null) {
remove.setEnabled(!event.getSelection().isEmpty());
}
}
});
}
protected void createButtons(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.TOP, false, false));
add = new Button(content, SWT.PUSH);
add.setText("Add");
add.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
Calendar now = Calendar.getInstance();
now.set(Calendar.SECOND, 0);
now.set(Calendar.MILLISECOND, 0);
MarketTimeElement element = new MarketTimeElement(now.getTime(), now.getTime());
input.add(element);
viewer.refresh();
setChanged();
notifyObservers();
viewer.getControl().setFocus();
viewer.setSelection(new StructuredSelection(element), true);
viewer.editElement(element, 0);
}
});
add.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
remove = new Button(content, SWT.PUSH);
remove.setText("Remove");
remove.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
if (!selection.isEmpty()) {
input.removeAll(selection.toList());
viewer.refresh();
setChanged();
notifyObservers();
}
}
});
remove.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, false));
remove.setEnabled(false);
}
public void setSchedule(MarketTime[] schedule) {
input.clear();
for (MarketTime time : schedule) {
input.add(new MarketTimeElement(time));
}
this.viewer.refresh();
}
public MarketTime[] getSchedule() {
MarketTime[] result = new MarketTime[input.size()];
for (int i = 0; i < result.length; i++) {
result[i] = input.get(i).getMarketTime();
}
return result;
}
public Control getControl() {
return content;
}
protected TableViewer getViewer() {
return viewer;
}
protected List<MarketTimeElement> getInput() {
return input;
}
protected void addSelectionChangedListener(ISelectionChangedListener listener) {
viewer.addSelectionChangedListener(listener);
}
protected void removeSelectionChangedListener(ISelectionChangedListener listener) {
viewer.removeSelectionChangedListener(listener);
}
}