001 /**
002 * Copyright 2005-2012 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016 package org.kuali.rice.krad.uif.modifier;
017
018 import org.apache.commons.lang.StringUtils;
019 import org.kuali.rice.krad.uif.container.Group;
020 import org.kuali.rice.krad.uif.view.View;
021 import org.kuali.rice.krad.uif.component.Component;
022 import org.kuali.rice.krad.uif.field.Field;
023
024 import java.util.ArrayList;
025 import java.util.HashSet;
026 import java.util.List;
027 import java.util.Set;
028
029 /**
030 * Pulls <code>Label</code> instances out of a contained field so they will
031 * be placed separately in the <code>LayoutManager</code>
032 *
033 * @author Kuali Rice Team (rice.collab@kuali.org)
034 */
035 public class LabelSeparateModifier extends ComponentModifierBase {
036 private static final long serialVersionUID = -4304947796868636298L;
037
038 public LabelSeparateModifier() {
039 super();
040 }
041
042 /**
043 * Iterates through the <code>Group</code> items and if the label field is
044 * not null and should be rendered, adds it to the new field list
045 * immediately before the <code>Field</code> item the label applies to.
046 * Finally the new list of components is set on the group
047 *
048 * @see org.kuali.rice.krad.uif.modifier.ComponentModifier#performModification(org.kuali.rice.krad.uif.view.View,
049 * java.lang.Object, org.kuali.rice.krad.uif.component.Component)
050 */
051 @Override
052 public void performModification(View view, Object model, Component component) {
053 if ((component != null) && !(component instanceof Group)) {
054 throw new IllegalArgumentException("Compare field initializer only support Group components, found type: "
055 + component.getClass());
056 }
057
058 if (component == null) {
059 return;
060 }
061
062 // list that will be built
063 List<Component> groupFields = new ArrayList<Component>();
064
065 Group group = (Group) component;
066 for (Component item : group.getItems()) {
067 if (item instanceof Field) {
068 Field field = (Field) item;
069
070 // pull out label field
071 if (field.getFieldLabel() != null && field.getFieldLabel().isRender()) {
072 field.getFieldLabel().addStyleClass("displayWith-" + field.getId());
073 if (!field.isRender() && StringUtils.isBlank(field.getProgressiveRender())) {
074 field.getFieldLabel().setRender(false);
075 }
076 else if(!field.isRender() && StringUtils.isNotBlank(field.getProgressiveRender())){
077 field.getFieldLabel().setRender(true);
078 String prefixStyle = "";
079 if(StringUtils.isNotBlank(field.getFieldLabel().getStyle())){
080 prefixStyle = field.getFieldLabel().getStyle();
081 }
082 field.getFieldLabel().setStyle(prefixStyle + ";" + "display: none;");
083 }
084
085 groupFields.add(field.getFieldLabel());
086
087 // set boolean to indicate label field should not be
088 // rendered with the attribute
089 field.setLabelRendered(true);
090 }
091 }
092
093 groupFields.add(item);
094 }
095
096 // update group
097 group.setItems(groupFields);
098 }
099
100 /**
101 * @see org.kuali.rice.krad.uif.modifier.ComponentModifier#getSupportedComponents()
102 */
103 @Override
104 public Set<Class<? extends Component>> getSupportedComponents() {
105 Set<Class<? extends Component>> components = new HashSet<Class<? extends Component>>();
106 components.add(Group.class);
107
108 return components;
109 }
110
111 }