001/**
002 * Copyright 2005-2017 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.krms.impl.ui;
017
018import org.kuali.rice.krad.data.DataObjectService;
019import org.kuali.rice.krad.service.KRADServiceLocator;
020import org.kuali.rice.krms.api.repository.proposition.PropositionParameterType;
021import org.kuali.rice.krms.api.repository.proposition.PropositionType;
022import org.kuali.rice.krms.impl.repository.PropositionBo;
023import org.kuali.rice.krms.impl.repository.PropositionParameterBo;
024import org.kuali.rice.krms.impl.repository.TermBo;
025
026import java.util.List;
027
028/**
029 * abstract data class for the {@link org.kuali.rice.krms.impl.ui.RuleTreeNode}s
030 * 
031 * @author Kuali Rice Team (rice.collab@kuali.org)
032 *
033 */
034public class SimplePropositionEditNode extends RuleTreeNode {
035
036    private static final long serialVersionUID = -5650654824214437325L;
037
038    public static final String NODE_TYPE = "ruleTreeNode simplePropositionEditNode";
039    protected String parameterDisplayString;
040
041    public SimplePropositionEditNode(PropositionBo proposition){
042        super(proposition);
043        setupParameterDisplayString();
044    }
045    
046    private void setupParameterDisplayString(){
047        if (proposition != null && proposition.getPropositionTypeCode().equalsIgnoreCase(PropositionType.SIMPLE.getCode())){
048            // Simple Propositions should have 3 parameters ordered in reverse polish notation.
049            // TODO: enhance to get term names for term type parameters.
050            List<PropositionParameterBo> parameters = proposition.getParameters();
051            if (parameters != null && parameters.size() == 3){
052                setParameterDisplayString(getParamValue(parameters.get(0)) 
053                        + " " + getParamValue(parameters.get(2))
054                        + " " + getParamValue(parameters.get(1)));
055            } else {
056                // should not happen
057            }
058        }
059    }
060    
061    private String getParamValue(PropositionParameterBo prop){
062        if (PropositionParameterType.TERM.getCode().equalsIgnoreCase(prop.getParameterType())){
063            //TODO: use termBoService
064            String termName = "";
065            String termId = prop.getValue();
066            if (termId != null && termId.length() > 0){
067                TermBo term = getDataObjectService().find(TermBo.class, termId);
068
069                if (term != null){
070                    termName = term.getSpecification().getName();
071                }
072            }
073            return termName;
074        } else {
075            return prop.getValue();
076        }
077    }
078    /**
079     * @return the parameterDisplayString
080     */
081    public String getParameterDisplayString() {
082        return this.parameterDisplayString;
083    }
084
085    /**
086     * @param parameterDisplayString the parameterDisplayString to set
087     */
088    public void setParameterDisplayString(String parameterDisplayString) {
089        this.parameterDisplayString = parameterDisplayString;
090    }
091
092    public DataObjectService getDataObjectService() {
093        return KRADServiceLocator.getDataObjectService();
094    }
095    
096}