Java tutorial
/*=============================================================================# # Copyright (c) 2007-2015 Stephan Wahlbrink (WalWare.de) 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: # Stephan Wahlbrink - initial API and implementation #=============================================================================*/ package de.walware.statet.r.internal.sweave.ui.preferences; import java.util.HashMap; import java.util.Map; import org.eclipse.jface.databinding.swt.SWTObservables; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Link; import de.walware.ecommons.IStatusChangeListener; import de.walware.ecommons.databinding.jface.DataBindingSupport; import de.walware.ecommons.preferences.Preference; import de.walware.ecommons.preferences.ui.ConfigurationBlockPreferencePage; import de.walware.ecommons.preferences.ui.ManagedConfigurationBlock; import de.walware.ecommons.ui.util.LayoutUtil; import de.walware.statet.r.internal.sweave.editors.SweaveEditorOptions; public class SweaveEditorPreferencePage extends ConfigurationBlockPreferencePage<SweaveEditorConfigurationBlock> { public SweaveEditorPreferencePage() { } @Override protected SweaveEditorConfigurationBlock createConfigurationBlock() { return new SweaveEditorConfigurationBlock(createStatusChangedListener()); } } class SweaveEditorConfigurationBlock extends ManagedConfigurationBlock { private Button fMarkOccurrencesControl; private Button fSpellEnableControl; public SweaveEditorConfigurationBlock(final IStatusChangeListener statusListener) { super(null, statusListener); } @Override public void createBlockArea(final Composite pageComposite) { final Map<Preference<?>, String> prefs = new HashMap<Preference<?>, String>(); prefs.put(SweaveEditorOptions.MARKOCCURRENCES_ENABLED_PREF, null); prefs.put(SweaveEditorOptions.PREF_SPELLCHECKING_ENABLED, SweaveEditorOptions.GROUP_ID); setupPreferenceManager(prefs); // Controls { final Link link = addLinkControl(pageComposite, Messages.SweaveEditorOptions_RAndLatexRef_note); final GridData gd = new GridData(SWT.FILL, SWT.TOP, true, false); gd.widthHint = 300; link.setLayoutData(gd); } { final Link link = addLinkControl(pageComposite, Messages.SweaveEditorOptions_SyntaxColoring_note); final GridData gd = new GridData(SWT.FILL, SWT.TOP, true, false); gd.widthHint = 300; gd.horizontalIndent = LayoutUtil.defaultIndent(); link.setLayoutData(gd); } // Annotation LayoutUtil.addSmallFiller(pageComposite, false); { fMarkOccurrencesControl = new Button(pageComposite, SWT.CHECK); fMarkOccurrencesControl.setText(Messages.SweaveEditorOptions_MarkOccurrences_Enable_label); fMarkOccurrencesControl.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); } LayoutUtil.addSmallFiller(pageComposite, false); { fSpellEnableControl = new Button(pageComposite, SWT.CHECK); fSpellEnableControl.setText(Messages.SweaveEditorOptions_SpellChecking_Enable_label); fSpellEnableControl.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); final Link link = addLinkControl(pageComposite, Messages.SweaveEditorOptions_SpellChecking_note); final GridData gd = new GridData(SWT.FILL, SWT.TOP, true, false); gd.widthHint = 300; gd.horizontalIndent = LayoutUtil.defaultIndent(); link.setLayoutData(gd); } LayoutUtil.addSmallFiller(pageComposite, true); { final Link link = addLinkControl(pageComposite, Messages.SweaveEditorOptions_AnnotationAppearance_info); final GridData gd = new GridData(SWT.FILL, SWT.TOP, true, false); gd.widthHint = 300; link.setLayoutData(gd); } LayoutUtil.addSmallFiller(pageComposite, false); // Binding initBindings(); updateControls(); } @Override protected void addBindings(final DataBindingSupport db) { db.getContext().bindValue(SWTObservables.observeSelection(fMarkOccurrencesControl), createObservable(SweaveEditorOptions.MARKOCCURRENCES_ENABLED_PREF)); db.getContext().bindValue(SWTObservables.observeSelection(fSpellEnableControl), createObservable(SweaveEditorOptions.PREF_SPELLCHECKING_ENABLED)); } }