| /*****************************************************************************
|
| * Copyright (c) 2010, 2019 CEA LIST.
|
| *
|
| * All rights reserved. This program and the accompanying materials
|
| * are made available under the terms of the Eclipse Public License v2.0
|
| * which accompanies this distribution, and is available at
|
| * http://www.eclipse.org/legal/epl-v20.html
|
| *
|
| * Contributors:
|
| * Nicolas Guyomar (Mia-Software) - initial API and implementation
|
| * Nicolas Guyomar (Mia-Software) - Bug 334546 - [celleditors] no border on Text field
|
| *****************************************************************************/ |
| package org.eclipse.modisco.facet.widgets.celleditors.ecore.composite;
|
|
|
| import org.eclipse.core.runtime.IStatus;
|
| import org.eclipse.core.runtime.Status;
|
| import org.eclipse.modisco.facet.widgets.celleditors.IValidator;
|
| import org.eclipse.modisco.facet.widgets.celleditors.ecore.Activator;
|
| import org.eclipse.swt.SWT;
|
| import org.eclipse.swt.widgets.Composite;
|
| import org.eclipse.swt.widgets.Event;
|
| import org.eclipse.swt.widgets.Listener;
|
|
|
| public class LongComposite extends StringComposite<Long> {
|
|
|
| public LongComposite(final Composite parent) {
|
| this(parent, SWT.NONE);
|
| }
|
|
|
| public LongComposite(final Composite parent, final int style) {
|
| super(parent, style);
|
| getTextField().addListener(SWT.Verify, new Listener() {
|
|
|
| public void handleEvent(final Event event) {
|
|
|
| String input = event.text;
|
| for (int i = 0; i < input.length(); i++) {
|
| char ch = input.charAt(i);
|
| if (ch != '-') {
|
| if (!('0' <= ch && ch <= '9')) {
|
| event.doit = false;
|
| return;
|
| }
|
| } else {
|
| if (LongComposite.this.getTextField().getText().indexOf('-') != -1) {
|
| event.doit = false;
|
| return;
|
| }
|
| // If the '-' caracter is not type at the beginning of
|
| // the String
|
| if (event.start != 0) {
|
| event.doit = false;
|
| return;
|
| }
|
| }
|
| }
|
| }
|
|
|
| });
|
| }
|
|
|
| @Override
|
| public IValidator getValidator() {
|
| return new IValidator() {
|
| public IStatus validate(final Object object) {
|
| if (getValue() != null) {
|
| if (Long.MIN_VALUE <= getValue().longValue()
|
| && getValue().longValue() <= Long.MAX_VALUE) {
|
| return Status.OK_STATUS;
|
| }
|
| }
|
| return new Status(IStatus.ERROR, Activator.PLUGIN_ID, ""); //$NON-NLS-1$
|
| }
|
| };
|
| }
|
|
|
| @Override
|
| public IConverter<Long> initConverter() {
|
| return new IConverter<Long>() {
|
|
|
| public Long toObject(final String string) {
|
| if (string != null && string.length() > 0) {
|
| try {
|
| return new Long(string);
|
| } catch (Exception e) {
|
| return null;
|
| }
|
| }
|
| return null;
|
| }
|
|
|
| public String toString(final Long object) {
|
| return object.toString();
|
| }
|
| };
|
| }
|
|
|
| @Override
|
| public IStatus validate(final String string) {
|
| try {
|
| if (string.length() > 0) {
|
| Long.parseLong(string);
|
| }
|
| } catch (Exception e) {
|
| return new Status(IStatus.ERROR, Activator.PLUGIN_ID, ""); //$NON-NLS-1$
|
| }
|
| return new Status(IStatus.OK, Activator.PLUGIN_ID, ""); //$NON-NLS-1$
|
| }
|
|
|
| }
|
