| /*********************************************************************** |
| * Copyright (c) 2007 Anyware Technologies |
| * |
| * 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: |
| * Anyware Technologies - initial API and implementation |
| * |
| * $Id: AbstractIntegerPropertySection.java,v 1.1 2008/05/26 12:25:13 jlescot Exp $ |
| **********************************************************************/ |
| |
| package org.eclipse.emf.ecoretools.tabbedproperties.sections; |
| |
| import java.util.regex.Pattern; |
| |
| import org.eclipse.emf.ecoretools.tabbedproperties.internal.Messages; |
| import org.eclipse.emf.ecoretools.tabbedproperties.internal.utils.ColorRegistry; |
| import org.eclipse.swt.widgets.Event; |
| |
| /** |
| * An abstract implementation of a section for a field with a String property |
| * value. |
| * |
| * Creation 5 apr. 2006 Updated 7 aug. 2006 |
| * |
| * @author Jacques Lescot |
| * @author Alfredo Serrano |
| */ |
| public abstract class AbstractIntegerPropertySection extends AbstractTextPropertySection { |
| |
| /** Predefined string pattern value for numerics and absolute with '-' : -25 */ |
| public static final String ABS_NUMERICS_PATTERN = "^[-\\d][\\d]*"; //$NON-NLS-1$ |
| |
| /** The Pattern used to check an Integer value */ |
| public static final Pattern INTEGER_PATTERN = Pattern.compile(ABS_NUMERICS_PATTERN); |
| |
| /** |
| * @see org.eclipse.emf.ecoretools.tabbedproperties.sections.AbstractTextPropertySection#verifyField(Event) |
| */ |
| protected void verifyField(Event e) { |
| String value = getText().getText(); |
| if (value == null || value.equals("") || isTextValid()) { //$NON-NLS-1$ |
| setErrorMessage(null); |
| getText().setBackground(null); |
| e.doit = true; |
| } else { |
| setErrorMessage(Messages.AbstractIntegerPropertySection_UnvalidCharacter); |
| getText().setBackground(ColorRegistry.COLOR_ERROR); |
| e.doit = false; |
| } |
| } |
| |
| /** |
| * @see org.eclipse.emf.ecoretools.tabbedproperties.sections.AbstractTextPropertySection#getFeatureAsString() |
| */ |
| protected String getFeatureAsString() { |
| return getFeatureInteger().toString(); |
| } |
| |
| /** |
| * @see org.eclipse.emf.ecoretools.tabbedproperties.sections.AbstractTextPropertySection#getOldFeatureValue() |
| */ |
| protected Object getOldFeatureValue() { |
| return getFeatureInteger(); |
| } |
| |
| /** |
| * @see org.eclipse.emf.ecoretools.tabbedproperties.sections.AbstractTextPropertySection#getNewFeatureValue(java.lang.String) |
| */ |
| protected Object getNewFeatureValue(String newText) { |
| return new Integer(Integer.parseInt(newText)); |
| } |
| |
| /** |
| * @see org.eclipse.emf.ecoretools.tabbedproperties.sections.AbstractTextPropertySection#isTextValid() |
| */ |
| protected boolean isTextValid() { |
| return INTEGER_PATTERN.matcher(getText().getText()).matches(); |
| } |
| |
| /** |
| * Get the text value of the feature for the text field for the section. |
| * |
| * @return the text value of the feature. |
| */ |
| protected abstract Integer getFeatureInteger(); |
| |
| } |