/*******************************************************************************
* This file is part of the Twig eclipse plugin.
*
* (c) Robert Gruendler <r.gruendler@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
******************************************************************************/
package com.dubture.twig.ui.outline;
import org.eclipse.wst.sse.core.utils.StringUtils;
import org.eclipse.wst.xml.core.internal.contentmodel.CMAttributeDeclaration;
import org.eclipse.wst.xml.core.internal.contentmodel.CMDataType;
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.contentoutline.JFaceNodeLabelProvider;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
@SuppressWarnings("restriction")
public class XMLLabelProvider extends JFaceNodeLabelProvider
{
boolean fShowAttributes = false;
public String getText(Object o)
{
StringBuffer text = new StringBuffer(super.getText(o));
if (o instanceof Node) {
Node node = (Node) o;
if ((node.getNodeType() == Node.ELEMENT_NODE) && fShowAttributes) {
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=88444
if (node.hasAttributes()) {
Element element = (Element) node;
NamedNodeMap attributes = element.getAttributes();
Node idTypedAttribute = null;
Node requiredAttribute = null;
boolean hasId = false;
boolean hasName = false;
Node shownAttribute = null;
// try to get content model element
// declaration
CMElementDeclaration elementDecl = null;
ModelQuery mq = ModelQueryUtil.getModelQuery(element
.getOwnerDocument());
if (mq != null) {
elementDecl = mq.getCMElementDeclaration(element);
}
// find an attribute of type (or just named)
// ID
if (elementDecl != null) {
int i = 0;
while ((i < attributes.getLength())
&& (idTypedAttribute == null)) {
Node attr = attributes.item(i);
String attrName = attr.getNodeName();
CMAttributeDeclaration attrDecl = (CMAttributeDeclaration) elementDecl
.getAttributes().getNamedItem(attrName);
if (attrDecl != null) {
if ((attrDecl.getAttrType() != null)
&& (CMDataType.ID.equals(attrDecl
.getAttrType()
.getDataTypeName()))) {
idTypedAttribute = attr;
} else if ((attrDecl.getUsage() == CMAttributeDeclaration.REQUIRED)
&& (requiredAttribute == null)) {
// as a backup, keep tabs on
// any required
// attributes
requiredAttribute = attr;
} else {
hasId = hasId || attrName.equals("id"); //$NON-NLS-1$
hasName = hasName
|| attrName.equals("name"); //$NON-NLS-1$
}
}
++i;
}
}
/*
* If no suitable attribute was found, try using a required
* attribute, if none, then prefer "id" or "name", otherwise
* just use first attribute
*/
if (idTypedAttribute != null) {
shownAttribute = idTypedAttribute;
} else if (requiredAttribute != null) {
shownAttribute = requiredAttribute;
} else if (hasId) {
shownAttribute = attributes.getNamedItem("id"); //$NON-NLS-1$
} else if (hasName) {
shownAttribute = attributes.getNamedItem("name"); //$NON-NLS-1$
}
if (shownAttribute == null) {
shownAttribute = attributes.item(0);
}
// display the attribute and value (without quotes)
String attributeName = shownAttribute.getNodeName();
if ((attributeName != null) && (attributeName.length() > 0)) {
text.append(" " + attributeName); //$NON-NLS-1$
String attributeValue = shownAttribute.getNodeValue();
if ((attributeValue != null)
&& (attributeValue.length() > 0)) {
text.append("=" + StringUtils.strip(attributeValue)); //$NON-NLS-1$
}
}
}
}
}
return text.toString();
}
}