/******************************************************************************* * Copyright 2017 Capital One Services, LLC and Bitwise, Inc. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *******************************************************************************/ package hydrograph.ui.propertywindow.widgets.listeners.grid; import org.apache.commons.lang.StringUtils; import org.eclipse.jface.fieldassist.ControlDecoration; import org.eclipse.jface.viewers.ICellEditorValidator; /** * @author Bitwise * */ public class ELTCellEditorIsEmptyValidator implements ICellEditorValidator{ private ControlDecoration fieldEmptyDecorator; public ELTCellEditorIsEmptyValidator(ControlDecoration fieldEmptyDecorator) { super(); this.fieldEmptyDecorator = fieldEmptyDecorator; } @Override public String isValid(Object value) { String selectedGrid=(String) value; if(StringUtils.isBlank(selectedGrid)){ fieldEmptyDecorator.show(); return "Field should not be empty"; }else{ fieldEmptyDecorator.hide(); } return null; } }