Java tutorial
/***************************************************************************** * * Copyright 2012-2016 SkillPro Consortium * * Author: PDE, FZI, pde@fzi.de * * Date of creation: 2012-2016 * * Module: Production System Configuration Manager (PSCM) * * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * * This file is part of the AMS (Asset Management System), which has been developed * at the PDE department of the FZI, Karlsruhe. It is part of the SkillPro Framework, * which is is developed in the SkillPro project, funded by the European FP7 * programme (Grant Agreement 287733). * * The SkillPro Framework is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The SkillPro Framework is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with the SkillPro Framework. If not, see <http://www.gnu.org/licenses/>. *****************************************************************************/ package amltransformation.providers.aml; import java.util.List; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.swt.graphics.Image; import aml.domain.InternalElement; import aml.domain.Role; import aml.model.AttributeDesignator; import aml.model.Hierarchy; import aml.model.InterfaceDesignator; import aml.model.Root; import eu.skillpro.ams.pscm.icons.IconActivator; public class ParserLabelProvider extends LabelProvider { private Image rootIcon; private Image attrIcon; private Image hierarchyIcon; @Override public Image getImage(Object element) { if (element instanceof Root<?>) { return getRootImage(); } else if (element instanceof Hierarchy<?>) { return getHierarchyImage(); } else if (element instanceof AttributeDesignator) { return getAttributeImage(); } return null; } private Image getAttributeImage() { if (attrIcon == null) { attrIcon = IconActivator.getImageDescriptor("icons/aml/attribute_value.png").createImage(); } return attrIcon; } private Image getHierarchyImage() { if (hierarchyIcon == null) { hierarchyIcon = IconActivator.getImageDescriptor("icons/aml/hierarchy.png").createImage(); } return hierarchyIcon; } private Image getRootImage() { if (rootIcon == null) { rootIcon = IconActivator.getImageDescriptor("icons/aml/root.png").createImage(); } return rootIcon; } @Override public String getText(Object element) { if (element == null) { return ""; } if (element instanceof Root<?>) { return ((Root<?>) element).toString(); } else if (element instanceof Hierarchy<?>) { String result = ""; Hierarchy<?> hierarchy = (Hierarchy<?>) element; result += hierarchy.getName(); List<AttributeDesignator> designators = hierarchy.getElement().getDesignators(); if (designators != null) { result += ": " + designators.size(); } Object hieElement = ((Hierarchy<?>) element).getElement(); Role requiredRole = null; if (hieElement.getClass().isAssignableFrom(InternalElement.class)) { requiredRole = ((InternalElement) hieElement).getRequiredRole(); result += ", reqRole: " + requiredRole.getName(); } return result; } else if (element instanceof AttributeDesignator) { AttributeDesignator attribute = ((AttributeDesignator) element); return attribute.getAttribute().getName(); } else if (element instanceof InterfaceDesignator) { return ((InterfaceDesignator) element).getName(); } return super.getText(element); } }