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16 package org.outerj.daisy.frontend.editor;
17
18 import org.apache.cocoon.forms.formmodel.Form;
19 import org.apache.cocoon.forms.formmodel.Repeater;
20 import org.apache.cocoon.forms.formmodel.Field;
21 import org.apache.cocoon.forms.validation.ValidationErrorAware;
22 import org.apache.cocoon.forms.validation.ValidationError;
23 import org.apache.avalon.framework.service.ServiceManager;
24 import org.apache.avalon.framework.context.Context;
25 import org.apache.xmlbeans.XmlObject;
26 import org.apache.xmlbeans.XmlCursor;
27 import org.apache.xmlbeans.XmlOptions;
28 import org.outerj.daisy.repository.schema.PartTypeUse;
29 import org.outerj.daisy.repository.Document;
30 import org.outerj.daisy.repository.Part;
31 import org.outerj.daisy.repository.Repository;
32 import org.outerj.daisy.frontend.util.FormHelper;
33 import org.outerj.daisy.books.publisher.impl.util.XMLPropertiesHelper;
34 import org.xml.sax.InputSource  ;
35
36 import java.io.ByteArrayInputStream ;
37 import java.io.StringReader ;
38 import java.util.Map ;
39 import java.util.Iterator ;
40
41
44 public class BookMetadataPartEditor implements PartEditor {
45 private final ServiceManager serviceManager;
46
47 private BookMetadataPartEditor(ServiceManager serviceManager) {
48 this.serviceManager = serviceManager;
49 }
50
51 public static class Factory implements PartEditorFactory {
52 public PartEditor getPartEditor(Map properties, ServiceManager serviceManager, Context context) {
53 return new BookMetadataPartEditor(serviceManager);
54 }
55 }
56
57 public Form getForm(PartTypeUse partTypeUse, DocumentEditorForm documentEditorForm, Repository repository) throws Exception {
58 final Form form = FormHelper.createForm(serviceManager, "resources/form/parteditor_bookmeta_definition.xml");
59
60 Field editMode = (Field)form.getChild("editmode");
61 editMode.setValue("gui");
62 editMode.addValueChangedListener(new EditModeListener(new EditModeListener.EditModeListenerConfig() {
63 public String getXmlFieldPath() {
64 return "editors/xml/metadataXml";
65 }
66
67 public String getXmlFromGuiEditor() {
68 return getMetadataXml((Repeater)form.lookupWidget("editors/gui/metadata"));
69 }
70
71 public boolean loadGui(String xml) {
72 Map metadata;
73 try {
74 metadata = XMLPropertiesHelper.load(new InputSource (new StringReader (xml)), null, "metadata");
75 } catch (Exception e) {
76 ((ValidationErrorAware)form.lookupWidget(getXmlFieldPath())).setValidationError(new ValidationError(e.toString(), false));
78 return false;
79 }
80 Repeater repeater = (Repeater)form.lookupWidget("editors/gui/metadata");
81 repeater.clear();
82 loadRepeater(repeater, metadata);
83 return true;
84 }
85
86 public void clearGui() {
87 Repeater repeater = (Repeater)form.lookupWidget("editors/gui/metadata");
88 repeater.clear();
89 }
90 }));
91
92 Repeater repeater = (Repeater)form.lookupWidget("editors/gui/metadata");
94 Repeater.RepeaterRow row = repeater.addRow();
95 row.getChild("name").setValue("title");
96 row.getChild("value").setValue("enter book title here");
97 row = repeater.addRow();
98 row.getChild("name").setValue("locale");
99 row.getChild("value").setValue("en");
100
101 return form;
102 }
103
104 public String getFormTemplate() {
105 return "resources/form/parteditor_bookmeta_template.xml";
106 }
107
108 public void load(Form form, Document document, Part part, Repository repository) throws Exception {
109 Repeater repeater = (Repeater)form.lookupWidget("editors/gui/metadata");
110 repeater.clear();
111
112 byte[] data = part.getData();
113
114 Map metadata = null;
115 try {
116 metadata = XMLPropertiesHelper.load(new ByteArrayInputStream (data), "metadata");
117 } catch (Throwable e) {
118 }
120
121 if (metadata != null) {
122 loadRepeater(repeater, metadata);
123 } else {
124 form.setAttribute("ignore-editmode-change", Boolean.TRUE);
126 form.getChild("editmode").setValue("xml");
127 form.lookupWidget("editors/xml/metadataXml").setValue(new String (data, "UTF-8"));
129 }
130 }
131
132 public void save(Form form, Document document) throws Exception {
133 Field editMode = (Field)form.getChild("editmode");
134 if (editMode.getValue().equals("xml")) {
135 PartEditorHelper.save(form, document, "editors/xml/metadataXml", "text/xml");
136 } else if (editMode.getValue().equals("gui")) {
137 Repeater repeater = (Repeater)form.lookupWidget("editors/gui/metadata");
138 String xml = getMetadataXml(repeater);
139 PartEditorHelper.save(form, document, null, xml.getBytes("UTF-8"), "text/xml");
140 }
141 }
142
143 private static String getMetadataXml(Repeater repeater) {
144 XmlObject xml = XmlObject.Factory.newInstance();
145 XmlCursor cursor = xml.newCursor();
146 cursor.toNextToken();
147 cursor.beginElement("metadata");
148
149 for (int i = 0; i < repeater.getSize(); i++) {
150 Repeater.RepeaterRow row = repeater.getRow(i);
151 String name = (String )row.getChild("name").getValue();
152 if (name == null)
153 name = "";
154 String value = (String )row.getChild("value").getValue();
155 if (value == null)
156 value = "";
157 cursor.beginElement("entry");
158 cursor.insertAttributeWithValue("key", name);
159 cursor.insertChars(value);
160 cursor.toEndToken();
161 cursor.toNextToken();
162 }
163 cursor.dispose();
164
165 XmlOptions xmlOptions = new XmlOptions();
166 xmlOptions.setSavePrettyPrint();
167 xmlOptions.setCharacterEncoding("UTF-8");
168 return xml.xmlText(xmlOptions);
169 }
170
171 private static void loadRepeater(Repeater repeater, Map metadata) {
172 Iterator metadataIt = metadata.entrySet().iterator();
173 while (metadataIt.hasNext()) {
174 Map.Entry entry = (Map.Entry )metadataIt.next();
175 Repeater.RepeaterRow row = repeater.addRow();
176 row.getChild("name").setValue(entry.getKey());
177 row.getChild("value").setValue(entry.getValue());
178 }
179 }
180 }
181 |
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