/*

  * Copyright 2011 The Kuali Foundation Licensed under the Educational Community

  * License, Version 1.0 (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.opensource.org/licenses/ecl1.php 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.kuali.rice.krad.uif.util;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.krad.service.DataDictionaryService;

 import org.kuali.rice.krad.service.KRADServiceLocatorWeb;

 import org.kuali.rice.krad.uif.container.CollectionGroup;

 import org.kuali.rice.krad.uif.container.Group;

 import org.kuali.rice.krad.uif.control.RadioGroupControl;

 import org.kuali.rice.krad.uif.control.TextControl;

 import org.kuali.rice.krad.uif.core.Component;

 import org.kuali.rice.krad.uif.field.AttributeField;

 import org.kuali.rice.krad.uif.field.Field;

 import org.kuali.rice.krad.uif.field.GroupField;

 import org.kuali.rice.krad.uif.field.LabelField;

 import org.kuali.rice.krad.uif.field.MessageField;

 import org.kuali.rice.krad.web.form.UifFormBase;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 /**

  * Factory class for creating new UIF components from their base definitions

  * in the dictionary

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class ComponentFactory {

     private static final Map<String, Component> componentDefinitions = new HashMap<String, Component>();

     protected static final String LABEL_FIELD = "LabelField";

     protected static final String MESSAGE_FIELD = "MessageField";

     protected static final String TEXT_CONTROL = "TextControl";

     protected static final String RADIO_GROUP_CONTROL = "RadioGroupControl";

     /**

      * Adds a component instance to the factories map of components indexed by the given dictionary id

      *

      * @param componentDictionaryId - id to index component under

      * @param component - component instance to add

      */

     public static void addComponentDefinition(String componentDictionaryId, Component component) {

         componentDefinitions.put(componentDictionaryId, ComponentUtils.copyObject(component));

     }

     /**

      * Returns a new <code>Component</code> instance from the given component id initialized by the

      * corresponding dictionary configuration

      *

      * @param componentDictionaryId - id for the component to retrieve, note this is the id initially

      * assigned and could be the spring generated id (if a static id was not set)

      * @return new component instance or null if no such component definition was found

      */

     public static Component getNewComponentInstance(String componentDictionaryId) {

         if (componentDefinitions.containsKey(componentDictionaryId)) {

             Component component = componentDefinitions.get(componentDictionaryId);

             return ComponentUtils.copyObject(component);

         }

         return null;

     }

     public static LabelField getLabelField() {

         return (LabelField) getNewComponentInstance(LABEL_FIELD);

     }

     public static MessageField getMessageField() {

         return (MessageField) getNewComponentInstance(MESSAGE_FIELD);

     }

     public static TextControl getTextControl() {

         return (TextControl) getNewComponentInstance(TEXT_CONTROL);

     }

     public static RadioGroupControl getRadioGroupControl() {

         return (RadioGroupControl) getNewComponentInstance(RADIO_GROUP_CONTROL);

     }

     /**

      * Gets a fresh copy of the component by the id passed in which is translated to the

      * corresponding dictionary id

      *

      * @param id - id for the component to retrieve

      * @return Component new instance initialized from the dictionary

      */

     public static Component getComponentById(UifFormBase form, String id) {

         Component origComponent = form.getView().getViewIndex().getComponentById(id);

         Component component = getNewComponentInstance(origComponent.getBaseId());

         return component;

     }

     /**

      * Gets a fresh copy of the component by the id passed in with its lifecycle performed upon it,

      * using the form data passed in

      *

      * @param form - object containing the view data

      * @param id - id for the component to retrieve

      * @return Component instance that has been run through the lifecycle

      */

     public static Component getComponentByIdWithLifecycle(UifFormBase form, String id) {

         Component origComponent = form.getView().getViewIndex().getComponentById(id);

         Component component = getComponentById(form, id);

         form.getView().getViewHelperService().performComponentLifecycle(form, component, id);

         if(component instanceof Field){

             ((Field) component).setLabelFieldRendered(((Field)origComponent).isLabelFieldRendered());

         }

         if(component instanceof AttributeField){

             ((AttributeField) component).setBindingInfo(((AttributeField)origComponent).getBindingInfo());

         }

         if(component instanceof CollectionGroup){

             ((CollectionGroup) component).setBindingInfo(((CollectionGroup)origComponent).getBindingInfo());

         }

         if(component instanceof Group || component instanceof GroupField){

             List<AttributeField> fields = ComponentUtils.getComponentsOfTypeDeep(component, AttributeField.class);

             String suffix = StringUtils.replaceOnce(component.getId(), component.getBaseId(), "");

             for(AttributeField field: fields){

                 AttributeField origField = (AttributeField)form.getView().getViewIndex().getComponentById(StringUtils.replaceOnce(field.getId(), field.getBaseId(), field.getBaseId() + suffix));

                 if(origField != null){

                     field.setBindingInfo(origField.getBindingInfo());

                 }

                 field.setLabelFieldRendered(origField.isLabelFieldRendered());

             }

             List<CollectionGroup> collections = ComponentUtils.getComponentsOfTypeDeep(component, CollectionGroup.class);

             for(CollectionGroup collection: collections){

                 CollectionGroup origField = (CollectionGroup)form.getView().getViewIndex().getComponentById(StringUtils.replaceOnce(collection.getId(), collection.getBaseId(), collection.getBaseId() + suffix));

                 if(origField != null){

                     collection.setBindingInfo(origField.getBindingInfo());

                 }

             }

         }

         form.getView().getViewIndex().indexComponent(component);

         return component;

     }

     protected static DataDictionaryService getDataDictionaryService() {

         return KRADServiceLocatorWeb.getDataDictionaryService();

     }

 }