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package org.eclipse.wst.xsd.ui.internal.common.properties.sections.appinfo;
import java.text.Collator;
import java.util.Arrays;
import java.util.Collection;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import org.eclipse.wst.xml.core.internal.contentmodel.CMAttributeDeclaration;
import org.eclipse.wst.xml.core.internal.contentmodel.CMElementDeclaration;
import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.ModelQuery;
import org.eclipse.wst.xml.core.internal.modelquery.ModelQueryUtil;
import org.eclipse.wst.xml.ui.internal.tabletree.TreeContentHelper;
import org.eclipse.wst.xsd.ui.internal.common.properties.sections.appinfo.custom.DefaultListNodeEditorConfiguration;
import org.eclipse.wst.xsd.ui.internal.common.properties.sections.appinfo.custom.NodeCustomizationRegistry;
import org.eclipse.wst.xsd.ui.internal.common.properties.sections.appinfo.custom.NodeEditorConfiguration;
import org.eclipse.wst.xsd.ui.internal.common.properties.sections.appinfo.custom.NodeEditorProvider;
import org.eclipse.wst.xsd.ui.internal.editor.XSDEditorPlugin;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
public class DOMExtensionDetailsContentProvider implements ExtensionDetailsContentProvider
{
private static final Object[] EMPTY_ARRAY = {};
private static final String[] EMPTY_STRING_ARRAY = {};
private static final String XMLNS = "xmlns"; //$NON-NLS
private static final String TEXT_NODE_KEY = "text()"; //$NON-NLS
public Object[] getItems(Object input)
{
HashMap resultMap = new HashMap();
if (input instanceof Element)
{
Element element = (Element) input;
// here we compute items for the attributes that physically in the document
//
NamedNodeMap attributes = element.getAttributes();
for (int i = 0; i < attributes.getLength(); i++)
{
Attr attr = (Attr) attributes.item(i);
if (!XMLNS.equals(attr.getName()) && !XMLNS.equals(attr.getPrefix())) //$NON-NLS-1$ //$NON-NLS-2$
{
resultMap.put(attr.getName(), DOMExtensionItem.createItemForElementAttribute(element, attr));
}
}
// here we compute an item for the text node that is physically in the document
//
String textNodeValue = new TreeContentHelper().getNodeValue(element);
if (textNodeValue != null)
{
resultMap.put(TEXT_NODE_KEY, DOMExtensionItem.createItemForElementText(element));
}
ModelQuery modelQuery = ModelQueryUtil.getModelQuery(element.getOwnerDocument());
if (modelQuery != null)
{
CMElementDeclaration ed = modelQuery.getCMElementDeclaration(element);
if (ed != null)
{
// here we compute items for the attributes that may be added to the document according to the grammar
//
List list = modelQuery.getAvailableContent(element, ed, ModelQuery.INCLUDE_ATTRIBUTES);
for (Iterator i = list.iterator(); i.hasNext(); )
{
CMAttributeDeclaration ad = (CMAttributeDeclaration)i.next();
if (ad != null && resultMap.get(ad.getNodeName()) == null)
{
resultMap.put(ad.getNodeName(), DOMExtensionItem.createItemForElementAttribute(element, ad));
}
}
if (resultMap.get(TEXT_NODE_KEY) == null)
{
// here we compute an item for the text node that may be added to the document according to the grammar
//
int contentType = ed.getContentType();
if (contentType == CMElementDeclaration.PCDATA || contentType == CMElementDeclaration.MIXED)
{
resultMap.put(TEXT_NODE_KEY, DOMExtensionItem.createItemForElementText(element));
}
}
}
}
Collection collection = resultMap.values();
// initialize the editor information for each item
//
for (Iterator i = collection.iterator(); i.hasNext();)
{
initPropertyEditorConfiguration((DOMExtensionItem) i.next());
}
DOMExtensionItem[] items = new DOMExtensionItem[collection.size()];
resultMap.values().toArray(items);
// here we sort the list alphabetically
//
if (items.length > 0)
{
Comparator comparator = new Comparator()
{
public int compare(Object arg0, Object arg1)
{
DOMExtensionItem a = (DOMExtensionItem)arg0;
DOMExtensionItem b = (DOMExtensionItem)arg1;
// begin special case to ensure 'text nodes' come last
if (a.isTextValue() && !b.isTextValue())
{
return 1;
}
else if (b.isTextValue() && !a.isTextValue())
{
return -1;
}
// end special case
else
{
return Collator.getInstance().compare(a.getName(), b.getName());
}
}
};
Arrays.sort(items, comparator);
}
return items;
}
else if (input instanceof Attr)
{
Attr attr = (Attr) input;
DOMExtensionItem item = DOMExtensionItem.createItemForAttributeText(attr.getOwnerElement(), attr);
DOMExtensionItem[] items = {item};
return items;
}
return EMPTY_ARRAY;
}
public String getName(Object item)
{
if (item instanceof DOMExtensionItem)
{
return ((DOMExtensionItem) item).getName();
}
return ""; //$NON-NLS-1$
}
public String getValue(Object item)
{
if (item instanceof DOMExtensionItem)
{
return ((DOMExtensionItem) item).getValue();
}
return ""; //$NON-NLS-1$
}
public String[] getPossibleValues(Object item)
{
if (item instanceof DOMExtensionItem)
{
return ((DOMExtensionItem) item).getPossibleValues();
}
return EMPTY_STRING_ARRAY;
}
protected void initPropertyEditorConfiguration(DOMExtensionItem item)
{
String namespace = item.getNamespace();
String name = item.getName();
String parentName = item.getParentName();
NodeEditorConfiguration configuration = null;
if (namespace != null)
{
// TODO (cs) remove reference to XSDEditorPlugin... make generic
// perhaps push down the xml.ui ?
//
NodeCustomizationRegistry registry = XSDEditorPlugin.getDefault().getNodeCustomizationRegistry();
NodeEditorProvider provider= registry.getNodeEditorProvider(namespace);
if (provider != null)
{
configuration = provider.getNodeEditorConfiguration(parentName, name);
if (configuration != null)
{
configuration.setParentNode(item.getParentNode());
if (item.getNode() != null)
{
configuration.setNode(item.getNode());
}
}
}
}
String[] values = item.getPossibleValues();
if (values != null && values.length > 1)
{
configuration = new DefaultListNodeEditorConfiguration(values);
}
// Note that it IS expected that the configaration may be null
//
item.setPropertyEditorConfiguration(configuration);
}
}
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