AbstractFormRenderingContext.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.dynamic.service.shared;

import java.util.HashMap;
import java.util.Map;

import org.kie.workbench.common.forms.model.FormDefinition;

public abstract class AbstractFormRenderingContext<T> implements FormRenderingContext<T> {

    protected Map<String, FormDefinition> availableForms = new HashMap<String, FormDefinition>();

    protected String rootFormId;

    protected T model;

    protected FormRenderingContext parentContext;

    protected RenderMode renderMode = RenderMode.EDIT_MODE;

    @Override
    public FormDefinition getRootForm() {
        return availableForms.get(rootFormId);
    }

    @Override
    public void setRootForm(FormDefinition rootForm) {
        this.rootFormId = rootForm.getId();
        availableForms.put(rootFormId,
                           rootForm);
    }

    @Override
    public void setModel(T model) {
        this.model = model;
    }

    @Override
    public T getModel() {
        return model;
    }

    @Override
    public FormRenderingContext getParentContext() {
        return parentContext;
    }

    @Override
    public void setParentContext(FormRenderingContext parentContext) {
        this.parentContext = parentContext;
    }

    @Override
    public RenderMode getRenderMode() {
        return renderMode;
    }

    @Override
    public void setRenderMode(RenderMode renderMode) {
        this.renderMode = renderMode;
    }

    @Override
    public Map<String, FormDefinition> getAvailableForms() {
        return availableForms;
    }

    protected abstract AbstractFormRenderingContext<T> getNewInstance();

    @Override
    public FormRenderingContext getCopyFor(String formKey,
                                           T model) {
        if (formKey == null || formKey.isEmpty()) {
            return null;
        }
        AbstractFormRenderingContext copy = getNewInstance();
        copy.setRenderMode(renderMode);
        copy.setRootForm(availableForms.get(formKey));
        copy.setModel(model);
        copy.availableForms = availableForms;
        copy.setParentContext(this);
        return copy;
    }
}