/**

  * Copyright 2005-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.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.layout;

 import org.apache.commons.lang.StringUtils;

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

 import org.kuali.rice.krad.uif.UifConstants;

 import org.kuali.rice.krad.uif.UifPropertyPaths;

 import org.kuali.rice.krad.uif.component.DataBinding;

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

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

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

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

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

 import org.kuali.rice.krad.util.KRADUtils;

 /**

  * Utilities for collection layout managers

  *

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

  */

 public class CollectionLayoutUtils {

     public static void prepareSelectFieldForLine(Field selectField, CollectionGroup collectionGroup, String lineBindingPath,

             Object line) {

         // if select property name set use as property name for select field

         String selectPropertyName = collectionGroup.getSelectPropertyName();

         if (StringUtils.isNotBlank(selectPropertyName)) {

             // if select property contains form prefix, will bind to form and not each line

             if (selectPropertyName.startsWith(UifConstants.NO_BIND_ADJUST_PREFIX)) {

                 selectPropertyName = StringUtils.removeStart(selectPropertyName, UifConstants.NO_BIND_ADJUST_PREFIX);

                 ((DataBinding) selectField).getBindingInfo().setBindingName(selectPropertyName);

                 ((DataBinding) selectField).getBindingInfo().setBindToForm(true);

                 setControlValueToLineIdentifier(selectField, line);

             } else {

                 ((DataBinding) selectField).getBindingInfo().setBindingName(selectPropertyName);

                 ((DataBinding) selectField).getBindingInfo().setBindByNamePrefix(lineBindingPath);

             }

         } else {

             // select property name not given, use UifFormBase#selectedCollectionLines

             String collectionLineKey = KRADUtils.translateToMapSafeKey(

                     collectionGroup.getBindingInfo().getBindingPath());

             String selectBindingPath = UifPropertyPaths.SELECTED_COLLECTION_LINES + "['" + collectionLineKey + "']";

             ((DataBinding) selectField).getBindingInfo().setBindingName(selectBindingPath);

             ((DataBinding) selectField).getBindingInfo().setBindToForm(true);

             setControlValueToLineIdentifier(selectField, line);

         }

     }

     protected static void setControlValueToLineIdentifier(Field selectField, Object line) {

         if (selectField instanceof InputField) {

             Control selectControl = ((InputField) selectField).getControl();

             selectControl.addStyleClass("kr-select-line");

             if ((selectControl != null) && (selectControl instanceof ValueConfiguredControl)) {

                 String lineIdentifier =

                         KRADServiceLocatorWeb.getDataObjectMetaDataService().getDataObjectIdentifierString(line);

                 ((ValueConfiguredControl) selectControl).setValue(lineIdentifier);

             }

         }

     }

 }