VFSSelectorFormProvider.java

/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.kie.workbench.common.forms.editor.backend.dataProviders;

import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import javax.inject.Inject;

import org.kie.workbench.common.forms.dynamic.model.config.SelectorData;
import org.kie.workbench.common.forms.dynamic.model.config.SystemSelectorDataProvider;
import org.kie.workbench.common.forms.dynamic.service.shared.FormRenderingContext;
import org.kie.workbench.common.forms.editor.service.shared.FormEditorRenderingContext;
import org.kie.workbench.common.forms.editor.service.shared.VFSFormFinderService;
import org.kie.workbench.common.forms.fields.shared.fieldTypes.relations.EntityRelationField;
import org.kie.workbench.common.forms.model.FieldDefinition;
import org.kie.workbench.common.forms.model.FormDefinition;

public class VFSSelectorFormProvider implements SystemSelectorDataProvider {

    @Inject
    private VFSFormFinderService vfsFormFinderService;

    @Override
    public String getProviderName() {
        return getClass().getSimpleName();
    }

    @Override
    public SelectorData getSelectorData(FormRenderingContext context) {
        Map<String, String> values = new TreeMap<>();

        if (context.getModel() instanceof EntityRelationField) {
            FormEditorRenderingContext editorContext = (FormEditorRenderingContext) context;

            FieldDefinition field = (FieldDefinition) context.getModel();

            List<FormDefinition> forms;
            if (field != null) {
                forms = vfsFormFinderService.findFormsForType(field.getStandaloneClassName(),
                                                              editorContext.getFormPath());
            } else {
                forms = vfsFormFinderService.findAllForms(editorContext.getFormPath());
            }

            for (FormDefinition form : forms) {
                values.put(form.getId(),
                           form.getName());
            }
        }
        return new SelectorData(values,
                                null);
    }
}