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.apache.commons.lang.StringUtils;
019import org.kuali.rice.core.api.criteria.QueryByCriteria;
020import org.kuali.rice.core.api.criteria.QueryResults;
021import org.kuali.rice.core.api.util.ConcreteKeyValue;
022import org.kuali.rice.core.api.util.KeyValue;
023import org.kuali.rice.kns.service.KNSServiceLocator;
024import org.kuali.rice.krad.service.KRADServiceLocator;
025import org.kuali.rice.krad.uif.control.UifKeyValuesFinderBase;
026import org.kuali.rice.krad.uif.view.ViewModel;
027import org.kuali.rice.krad.web.form.MaintenanceDocumentForm;
028import org.kuali.rice.krms.impl.repository.CategoryBo;
029
030import java.util.ArrayList;
031import java.util.Collection;
032import java.util.Collections;
033import java.util.List;
034import java.util.Map;
035
036/**
037 * Helper class that returns all category types that are valid for the given context.
038 */
039public class CategoryValuesFinder extends UifKeyValuesFinderBase {
040
041    private boolean blankOption;
042
043    /**
044     * @return the blankOption
045     */
046    public boolean isBlankOption() {
047        return this.blankOption;
048    }
049
050    /**
051     * @param blankOption the blankOption to set
052     */
053    public void setBlankOption(boolean blankOption) {
054        this.blankOption = blankOption;
055    }
056
057    @Override
058    public List<KeyValue> getKeyValues(ViewModel model) {
059        List<KeyValue> keyValues = new ArrayList<KeyValue>();
060
061        MaintenanceDocumentForm maintenanceForm = (MaintenanceDocumentForm) model;
062        AgendaEditor agendaEditor = ((AgendaEditor) maintenanceForm.getDocument().getNewMaintainableObject().getDataObject());
063
064        // if we have an agenda w/ a selected context
065        if (agendaEditor.getAgenda() != null && StringUtils.isNotBlank(agendaEditor.getAgenda().getContextId())) {
066
067            // key off the namespace
068
069            String namespace = agendaEditor.getNamespace();
070
071            if(blankOption){
072                keyValues.add(new ConcreteKeyValue("", ""));
073            }
074
075            QueryByCriteria.Builder criteriaBuilder = QueryByCriteria.Builder.forAttribute("namespace", namespace);
076            criteriaBuilder.setOrderByAscending("name");
077
078            QueryResults<CategoryBo> categoryResults =
079                    KRADServiceLocator.getDataObjectService().findMatching(CategoryBo.class, criteriaBuilder.build());
080            List<CategoryBo> categories = categoryResults.getResults();
081
082            for (CategoryBo category : categories) {
083                keyValues.add(new ConcreteKeyValue(category.getId(), category.getName()));
084            }
085        }
086
087        return keyValues;
088    }
089}