/*
* 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.charts;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
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.swt.SWT;
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.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Spinner;
import org.eclipse.swt.widgets.Text;
import org.eclipsetrader.core.feed.TimeSpan;
public class PeriodDialog extends Dialog {
private Text description;
private Spinner periodLength;
private ComboViewer periodUnits;
private Spinner resolutionLength;
private ComboViewer resolutionUnits;
private Period selection;
public PeriodDialog(Shell parentShell) {
super(parentShell);
}
public PeriodDialog(Shell parentShell, Period selection) {
super(parentShell);
this.selection = selection;
}
/* (non-Javadoc)
* @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
*/
@Override
protected void configureShell(Shell newShell) {
super.configureShell(newShell);
newShell.setText("Period");
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
*/
@Override
protected Control createDialogArea(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout(3, false);
layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
composite.setLayout(layout);
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
applyDialogFont(composite);
Label label = new Label(composite, SWT.NONE);
label.setText("Description");
description = new Text(composite, SWT.BORDER);
description.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
((GridData) description.getLayoutData()).widthHint = convertHorizontalDLUsToPixels(250);
label = new Label(composite, SWT.NONE);
label.setText("Last");
periodLength = new Spinner(composite, SWT.BORDER);
periodLength.setValues(1, 1, 9999, 0, 1, 1);
periodUnits = new ComboViewer(composite, SWT.DROP_DOWN | SWT.READ_ONLY);
periodUnits.setContentProvider(new ArrayContentProvider());
periodUnits.setLabelProvider(new LabelProvider());
periodUnits.setSorter(new ViewerSorter());
periodUnits.setInput(new Object[] {
TimeSpan.Units.Days,
TimeSpan.Units.Months,
TimeSpan.Units.Years,
});
periodUnits.setSelection(new StructuredSelection(TimeSpan.Units.Years));
label = new Label(composite, SWT.NONE);
label.setText("Bar Size");
resolutionLength = new Spinner(composite, SWT.BORDER);
resolutionLength.setValues(1, 1, 9999, 0, 1, 1);
resolutionUnits = new ComboViewer(composite, SWT.DROP_DOWN | SWT.READ_ONLY);
resolutionUnits.setContentProvider(new ArrayContentProvider());
resolutionUnits.setLabelProvider(new LabelProvider());
resolutionUnits.setSorter(new ViewerSorter());
resolutionUnits.setInput(new Object[] {
TimeSpan.Units.Minutes,
TimeSpan.Units.Days,
});
resolutionUnits.setSelection(new StructuredSelection(TimeSpan.Units.Days));
if (selection != null) {
description.setText(selection.getDescription());
periodLength.setSelection(selection.getPeriod().getLength());
periodUnits.setSelection(new StructuredSelection(selection.getPeriod().getUnits()));
resolutionLength.setSelection(selection.getResolution().getLength());
resolutionUnits.setSelection(new StructuredSelection(selection.getResolution().getUnits()));
}
resolutionUnits.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
TimeSpan.Units units = (TimeSpan.Units) ((IStructuredSelection) event.getSelection()).getFirstElement();
if (units == TimeSpan.Units.Days) {
resolutionLength.setValues(1, 1, 1, 0, 1, 1);
}
else {
resolutionLength.setValues(1, 1, 9999, 0, 1, 1);
}
}
});
return composite;
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.Dialog#okPressed()
*/
@Override
protected void okPressed() {
TimeSpan period = new TimeSpan(
(TimeSpan.Units) ((IStructuredSelection) periodUnits.getSelection()).getFirstElement(),
periodLength.getSelection());
TimeSpan barSize = new TimeSpan(
(TimeSpan.Units) ((IStructuredSelection) resolutionUnits.getSelection()).getFirstElement(),
resolutionLength.getSelection());
if (selection == null) {
selection = new Period(description.getText(), period, barSize);
}
else {
selection.setDescription(description.getText());
selection.setPeriod(period);
selection.setResolution(barSize);
}
super.okPressed();
}
public Period getSelection() {
return selection;
}
}