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.diagram.preferences; import gov.redhawk.diagram.PartitioningDiagramPreferenceConstants; import org.eclipse.gmf.runtime.common.ui.preferences.AbstractPreferencePage; import org.eclipse.jface.preference.BooleanFieldEditor; import org.eclipse.jface.preference.IPreferenceStore; 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.Group; import org.eclipse.ui.IWorkbenchPreferencePage; /** * @since 3.0 */ public abstract class DiagramFilterPreferencePage extends AbstractPreferencePage implements IWorkbenchPreferencePage { protected BooleanFieldEditor showPortLabels; // SUPPRESS CHECKSTYLE Protected public DiagramFilterPreferencePage() { } @Override protected void addFields(final Composite parent) { createLabelsGroup(parent); } protected Composite createLabelsGroup(final Composite parent) { final Group group = new Group(parent, SWT.NONE); final GridLayout gridLayout = new GridLayout(2, false); group.setLayout(gridLayout); final GridData gridData = new GridData(GridData.FILL_HORIZONTAL); gridData.grabExcessHorizontalSpace = true; gridData.horizontalSpan = 2; group.setLayoutData(gridData); group.setText("Labels"); final Composite composite = new Composite(group, SWT.NONE); addLabelFields(composite); return group; } public void initDefaults(final IPreferenceStore store) { store.setDefault(PartitioningDiagramPreferenceConstants.PREF_SHOW_PORT_LABELS, true); } protected void addLabelFields(final Composite composite) { this.showPortLabels = new BooleanFieldEditor(PartitioningDiagramPreferenceConstants.PREF_SHOW_PORT_LABELS, "Show Port Labels", composite); addField(this.showPortLabels); } }