/**

  * 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.core.api.uif;

 import org.kuali.rice.core.api.CoreConstants;

 import org.kuali.rice.core.api.util.jaxb.MapStringStringAdapter;

 import org.w3c.dom.Element;

 import javax.xml.bind.annotation.XmlAccessType;

 import javax.xml.bind.annotation.XmlAccessorType;

 import javax.xml.bind.annotation.XmlAnyElement;

 import javax.xml.bind.annotation.XmlElement;

 import javax.xml.bind.annotation.XmlElementWrapper;

 import javax.xml.bind.annotation.XmlRootElement;

 import javax.xml.bind.annotation.XmlType;

 import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.Collections;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 /**

  * A select control type.

  */

 @XmlRootElement(name = RemotableSelect.Constants.ROOT_ELEMENT_NAME)

 @XmlAccessorType(XmlAccessType.NONE)

 @XmlType(name = RemotableSelect.Constants.TYPE_NAME, propOrder = {

         RemotableSelect.Elements.KEY_LABELS,

         RemotableSelect.Elements.GROUPS,

         RemotableSelect.Elements.SIZE,

         RemotableSelect.Elements.MULTIPLE,

                 CoreConstants.CommonElements.FUTURE_ELEMENTS })

 public final class RemotableSelect extends RemotableAbstractControl implements Select {

     @XmlElement(name = Elements.KEY_LABELS, required = false)

     @XmlJavaTypeAdapter(value = MapStringStringAdapter.class)

     private final Map<String, String> keyLabels;

     @XmlElementWrapper(name = Elements.GROUPS, required = true)

     @XmlElement(name = Elements.GROUP, required = false)

     private final List<RemotableSelectGroup> groups;

     @XmlElement(name = Elements.SIZE, required = false)

     private final Integer size;

     @XmlElement(name = Elements.MULTIPLE, required = false)

     private final boolean multiple;

     @SuppressWarnings("unused")

     @XmlAnyElement

     private final Collection<Element> _futureElements = null;

     /**

      * Should only be invoked by JAXB.

      */

     @SuppressWarnings("unused")

     private RemotableSelect() {

         size = null;

         keyLabels = null;

         groups = null;

         multiple = false;

     }

     private RemotableSelect(Builder b) {

         size = b.size;

         keyLabels = b.keyLabels;

         final List<RemotableSelectGroup> temp = new ArrayList<RemotableSelectGroup>();

         for (RemotableSelectGroup.Builder attr : b.groups) {

             temp.add(attr.build());

         }

         this.groups = Collections.unmodifiableList(temp);

         multiple = b.multiple;

     }

     @Override

     public Map<String, String> getKeyLabels() {

         return keyLabels;

     }

     @Override

     public Integer getSize() {

         return size;

     }

     @Override

     public List<RemotableSelectGroup> getGroups() {

         return groups;

     }

     @Override

     public boolean isMultiple() {

         return multiple;

     }

     public static final class Builder extends RemotableAbstractControl.Builder implements Select {

         private Integer size;

         private Map<String, String> keyLabels = Collections.emptyMap();

         private List<RemotableSelectGroup.Builder> groups = Collections.emptyList();

         private boolean multiple;

         private Builder(Map<String, String> keyLabels) {

             setKeyLabels(keyLabels);

         }

         private Builder(List<RemotableSelectGroup.Builder> groups) {

             setGroups(groups);

         }

         public static Builder create(Map<String, String> keyLabels) {

             return new Builder(keyLabels);

         }

         public static Builder create(List<RemotableSelectGroup.Builder> groups) {

             return new Builder(groups);

         }

         @Override

         public Integer getSize() {

             return size;

         }

         public void setSize(Integer size) {

             if (size != null && size < 1) {

                 throw new IllegalArgumentException("size was < 1");

             }

             this.size = size;

         }

         @Override

         public Map<String, String> getKeyLabels() {

             return keyLabels;

         }

         public void setKeyLabels(Map<String, String> keyLabels) {

             if (keyLabels == null) {

                 throw new IllegalArgumentException("keyLabels was null");

             }

             this.keyLabels = Collections.unmodifiableMap(new HashMap<String, String>(keyLabels));

         }

         @Override

         public List<RemotableSelectGroup.Builder> getGroups() {

             return groups;

         }

         public void setGroups(List<RemotableSelectGroup.Builder> groups) {

             if (groups == null) {

                 throw new IllegalArgumentException("groups was null");

             }

             this.groups = Collections.unmodifiableList(new ArrayList<RemotableSelectGroup.Builder>(groups));

         }

         @Override

         public boolean isMultiple() {

             return multiple;

         }

         public void setMultiple(boolean multiple) {

             this.multiple = multiple;

         }

         @Override

         public RemotableSelect build() {

             if (keyLabels.isEmpty() && groups.isEmpty()) {

                 throw new IllegalStateException("the keyLabels or groups must be set to a non-empty collection");

             }

             return new RemotableSelect(this);

         }

     }

     /**

      * Defines some internal constants used on this class.

      */

     static final class Constants {

         static final String TYPE_NAME = "SelectType";

         final static String ROOT_ELEMENT_NAME = "select";

     }

     static final class Elements {

         static final String SIZE = "size";

         static final String KEY_LABELS = "keyLabels";

         static final String GROUPS = "groups";

         static final String GROUP = "group";

         static final String MULTIPLE = "multiple";

     }

 }