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34 package info.magnolia.ui.form.field.transformer.multi;
35
36 import info.magnolia.jcr.util.NodeTypes;
37 import info.magnolia.jcr.util.NodeUtil;
38 import info.magnolia.jcr.wrapper.JCRMgnlPropertiesFilteringNodeWrapper;
39 import info.magnolia.objectfactory.Components;
40 import info.magnolia.ui.api.i18n.I18NAuthoringSupport;
41 import info.magnolia.ui.form.field.definition.ConfiguredFieldDefinition;
42 import info.magnolia.ui.form.field.transformer.basic.BasicTransformer;
43 import info.magnolia.ui.vaadin.integration.jcr.JcrNewNodeAdapter;
44 import info.magnolia.ui.vaadin.integration.jcr.JcrNodeAdapter;
45
46 import java.util.ArrayList;
47 import java.util.Collections;
48 import java.util.Comparator;
49 import java.util.Iterator;
50 import java.util.List;
51
52 import javax.inject.Inject;
53 import javax.jcr.Node;
54 import javax.jcr.PropertyIterator;
55 import javax.jcr.RepositoryException;
56
57 import org.slf4j.Logger;
58 import org.slf4j.LoggerFactory;
59
60 import com.google.common.collect.ImmutableList;
61 import com.vaadin.v7.data.Item;
62 import com.vaadin.v7.data.util.PropertysetItem;
63
64
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72
73 public class MultiValueChildNodeTransformer extends BasicTransformer<PropertysetItem> {
74
75 private static final Logger log = LoggerFactory.getLogger(MultiValueChildNodeTransformer.class);
76
77 private String childNodeType = NodeTypes.ContentNode.NAME;
78
79
80
81
82 @Deprecated
83 public MultiValueChildNodeTransformer(Item relatedFormItem, ConfiguredFieldDefinition definition, Class<PropertysetItem> type) {
84 this(relatedFormItem, definition, type, Components.getComponent(I18NAuthoringSupport.class));
85 }
86
87 @Inject
88 public MultiValueChildNodeTransformer(Item relatedFormItem, ConfiguredFieldDefinition definition, Class<PropertysetItem> type, I18NAuthoringSupport i18NAuthoringSupport) {
89 super(relatedFormItem, definition, type, i18NAuthoringSupport);
90 }
91
92 @Override
93 public PropertysetItem readFromItem() {
94
95 String childNodeName = definePropertyName();
96 PropertysetItem newValues = new PropertysetItem();
97
98 try {
99 JcrNodeAdaptergnolia/ui/vaadin/integration/jcr/JcrNodeAdapter.html#JcrNodeAdapter">JcrNodeAdapter child = getOrCreateChildItem((JcrNodeAdapter) relatedFormItem, childNodeName);
100
101 if (!(child instanceof JcrNewNodeAdapter)) {
102 int pos = 0;
103
104 List<Object> ids = new ArrayList<Object>(child.getItemPropertyIds());
105 Collections.sort(ids, new Comparator<Object>() {
106 @Override
107 public int compare(Object o1, Object o2) {
108 int int1 = Integer.valueOf(((String) o1));
109 int int2 = Integer.valueOf(((String) o2));
110 return int1 - int2;
111 }
112 });
113
114 for (Object id : ids) {
115 newValues.addItemProperty(pos, child.getItemProperty(id));
116 pos += 1;
117 }
118 }
119 } catch (RepositoryException re) {
120 log.warn("Not able to access the child node of '{}'", ((JcrNodeAdapter) relatedFormItem).getNodeName());
121 }
122 return newValues;
123 }
124
125 @Override
126 public void writeToItem(PropertysetItem newValue) {
127
128 String childNodeName = definePropertyName();
129 try {
130
131 JcrNodeAdaptergnolia/ui/vaadin/integration/jcr/JcrNodeAdapter.html#JcrNodeAdapter">JcrNodeAdapter child = getOrCreateChildItem((JcrNodeAdapter) relatedFormItem, childNodeName);
132
133
134 ImmutableList<Object> propertyIds = ImmutableList.copyOf(child.getItemPropertyIds());
135 for (Object id : propertyIds) {
136 if (newValue.getItemProperty(Integer.valueOf((String) id)) == null) {
137 child.removeItemProperty(id);
138 }
139 }
140
141 if (newValue != null) {
142 Iterator<?> it = newValue.getItemPropertyIds().iterator();
143 while (it.hasNext()) {
144 Object id = it.next();
145 child.addItemProperty(id.toString(), newValue.getItemProperty(id));
146 }
147 }
148 } catch (RepositoryException re) {
149 log.warn("Not able to access the child node of '{}'", NodeUtil.getName(((JcrNodeAdapter) relatedFormItem).getJcrItem()));
150 }
151 }
152
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154
155
156 private JcrNodeAdapter./info/magnolia/ui/vaadin/integration/jcr/JcrNodeAdapter.html#JcrNodeAdapter">JcrNodeAdapter getOrCreateChildItem(JcrNodeAdapter parent, String childNodeName) throws RepositoryException {
157
158 JcrNodeAdapter child = null;
159 Node rootNode = parent.getJcrItem();
160 if (rootNode.hasNode(childNodeName)) {
161 child = new JcrNodeAdapter(rootNode.getNode(childNodeName));
162 Node childNode = new JCRMgnlPropertiesFilteringNodeWrapper(rootNode.getNode(childNodeName));
163 PropertyIterator iterator = childNode.getProperties();
164 while (iterator.hasNext()) {
165
166 child.getItemProperty(iterator.nextProperty().getName());
167 }
168 } else {
169 child = new JcrNewNodeAdapter(rootNode, childNodeType, childNodeName);
170 }
171 parent.addChild(child);
172 return child;
173 }
174
175
176
177 }