Java tutorial
/******************************************************************************* * This file is protected by Copyright. * Please refer to the COPYRIGHT file distributed with this source distribution. * * This file is part of REDHAWK IDE. * * 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 *******************************************************************************/ package gov.redhawk.internal.ui.port.nxmplot.handlers; import gov.redhawk.ui.port.nxmblocks.BulkIONxmBlockControls; import gov.redhawk.ui.port.nxmblocks.BulkIONxmBlockSettings; import gov.redhawk.ui.port.nxmblocks.FftNxmBlockControls; import gov.redhawk.ui.port.nxmblocks.FftNxmBlockSettings; import gov.redhawk.ui.port.nxmblocks.PlotNxmBlockControls; import gov.redhawk.ui.port.nxmblocks.PlotNxmBlockSettings; import gov.redhawk.ui.port.nxmblocks.SddsNxmBlockControls; import gov.redhawk.ui.port.nxmblocks.SddsNxmBlockSettings; import gov.redhawk.ui.port.nxmplot.PlotSettings; import gov.redhawk.ui.port.nxmplot.PlotSettings.PlotMode; import gov.redhawk.ui.port.nxmplot.PlotType; import java.util.Arrays; import java.util.List; import org.eclipse.core.databinding.DataBindingContext; import org.eclipse.core.databinding.beans.PojoProperties; import org.eclipse.jface.databinding.swt.WidgetProperties; import org.eclipse.jface.databinding.viewers.ViewerProperties; import org.eclipse.jface.databinding.wizard.WizardPageSupport; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ComboViewer; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; 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.Group; import org.eclipse.swt.widgets.Label; /** * @noreference This class is not intended to be referenced by clients. * @since 4.4 */ public class PlotWizardPage extends WizardPage { private BulkIONxmBlockSettings bulkIOBlockSettings = null; private SddsNxmBlockSettings sddsBlockSettings = null; private FftNxmBlockSettings fftBlockSettings = new FftNxmBlockSettings(); private PlotNxmBlockSettings plotBlockSettings = new PlotNxmBlockSettings(); private boolean fft; private PlotSettings plotSettings = new PlotSettings(); private DataBindingContext dataBindingContext = new DataBindingContext(); protected PlotWizardPage(String pageName, String title, ImageDescriptor titleImage) { super(pageName, title, titleImage); setDescription("Provide the initial settings for the new plot."); } @Override public void createControl(Composite root) { Composite parent = new Composite(root, SWT.None); parent.setLayout(new GridLayout(2, false)); Label label; Group group; // == PLOT Block settings (e.g. plot type, plot mode, frame size, etc.) == group = new Group(parent, SWT.None); group.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).span(2, 1).create()); group.setText("PLOT"); label = new Label(group, SWT.None); label.setText("&Type:"); ComboViewer viewer = new ComboViewer(group, SWT.READ_ONLY); viewer.setLabelProvider(new LabelProvider()); viewer.setContentProvider(new ArrayContentProvider()); viewer.setInput(PlotType.getStandardPlotTypes()); viewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); if (plotSettings.getPlotType() == null) { plotSettings.setPlotType(PlotType.LINE); } dataBindingContext.bindValue(ViewerProperties.singleSelection().observe(viewer), PojoProperties.value("plotType").observe(plotSettings)); label = new Label(group, SWT.None); label.setText("&Mode:"); viewer = new ComboViewer(group, SWT.READ_ONLY); viewer.setLabelProvider(new LabelProvider() { @Override public String getText(Object element) { return ((PlotMode) element).getLabel(); } }); viewer.setContentProvider(new ArrayContentProvider()); viewer.setInput(PlotMode.getStandardModes()); viewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); dataBindingContext.bindValue(ViewerProperties.singleSelection().observe(viewer), PojoProperties.value("plotMode").observe(plotSettings)); new PlotNxmBlockControls(plotBlockSettings, dataBindingContext).createControls(group); // === BULKIO settings === if (bulkIOBlockSettings != null) { group = new Group(parent, SWT.None); group.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).span(2, 1).create()); group.setText("BULKIO"); new BulkIONxmBlockControls(bulkIOBlockSettings, dataBindingContext).createControls(group); } // == BULKIO SDDS settings === if (sddsBlockSettings != null) { group = new Group(parent, SWT.None); group.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).span(2, 1).create()); group.setText("BULKIO SDDS"); new SddsNxmBlockControls(sddsBlockSettings, dataBindingContext).createControls(group); } // == FFT settings == final Group fftGroup = new Group(parent, SWT.None); final Button button = new Button(fftGroup, SWT.CHECK); button.setText("Take &FFT"); button.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).span(2, 1).create()); dataBindingContext.bindValue(WidgetProperties.selection().observe(button), PojoProperties.value("fft").observe(this)); fftGroup.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).span(2, 1).create()); fftGroup.setText("FFT"); final List<Control> skip = Arrays.asList(fftGroup, button); new FftNxmBlockControls(fftBlockSettings, dataBindingContext).createControls(fftGroup); button.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { setFftEnabled(fftGroup, button.getSelection(), skip); } }); setFftEnabled(fftGroup, button.getSelection(), skip); WizardPageSupport.create(this, dataBindingContext); setControl(parent); } private void setFftEnabled(Composite control, boolean selection, List<Control> skip) { for (Control c : control.getChildren()) { if (c instanceof Composite) { setFftEnabled((Composite) c, selection, skip); } if (!skip.contains(c)) { c.setEnabled(selection); } } } public void setFft(boolean fft) { this.fft = fft; } public boolean isFft() { return fft; } public BulkIONxmBlockSettings getBulkIOBlockSettings() { return bulkIOBlockSettings; } public void setBulkIOBlockSettings(BulkIONxmBlockSettings bulkIOBlockSettings) { this.bulkIOBlockSettings = bulkIOBlockSettings; } public SddsNxmBlockSettings getSddsBlockSettings() { return sddsBlockSettings; } public void setSddsBlockSettings(SddsNxmBlockSettings sddsBlockSettings) { this.sddsBlockSettings = sddsBlockSettings; } public FftNxmBlockSettings getFftBlockSettings() { return fftBlockSettings; } public void setFftBlockSettings(FftNxmBlockSettings fftBlockSettings) { this.fftBlockSettings = fftBlockSettings; } public PlotNxmBlockSettings getPlotBlockSettings() { return plotBlockSettings; } public void setPlotBlockSettings(PlotNxmBlockSettings plotBlockSettings) { this.plotBlockSettings = plotBlockSettings; } public PlotSettings getPlotSettings() { return plotSettings; } public void setPlotSettings(PlotSettings plotSettings) { this.plotSettings = plotSettings; } }