/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.properties;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IFile;
import org.eclipse.gef.commands.Command;
import org.eclipse.jst.jsf.common.metadata.Entity;
import org.eclipse.jst.jsf.common.metadata.internal.IMetaDataDomainContext;
import org.eclipse.jst.jsf.common.metadata.query.internal.MetaDataQueryContextFactory;
import org.eclipse.jst.jsf.common.metadata.query.internal.MetaDataQueryFactory;
import org.eclipse.jst.jsf.common.metadata.query.internal.taglib.ITaglibDomainMetaDataQuery;
import org.eclipse.jst.jsf.common.runtime.internal.view.model.common.ITagAttribute;
import org.eclipse.jst.jsf.common.runtime.internal.view.model.common.ITagElement;
import org.eclipse.jst.jsf.context.resolver.structureddocument.IStructuredDocumentContextResolverFactory;
import org.eclipse.jst.jsf.context.resolver.structureddocument.ITaglibContextResolver;
import org.eclipse.jst.jsf.context.resolver.structureddocument.IWorkspaceContextResolver;
import org.eclipse.jst.jsf.context.resolver.structureddocument.internal.IStructuredDocumentContextResolverFactory2;
import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContext;
import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContextFactory;
import org.eclipse.jst.jsf.designtime.internal.resolver.ITagElementResolver;
import org.eclipse.jst.jsf.metadataprocessors.MetaDataEnabledProcessingFactory;
import org.eclipse.jst.pagedesigner.PDPlugin;
import org.eclipse.jst.pagedesigner.commands.single.ChangeAttributeCommand;
import org.eclipse.jst.pagedesigner.editors.properties.IPropertyPageDescriptor;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.eclipse.ui.views.properties.IPropertySource;
import org.eclipse.ui.views.properties.PropertyDescriptor;
import org.eclipse.ui.views.properties.TextPropertyDescriptor;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;
import org.w3c.dom.Element;
/**
*
* @author mengbo
*/
public class AttributePropertySource implements IPropertySource {
private IDOMElement _element;
private IPropertySource _innerSource;
private Entity _tagEntity;
private IStructuredDocumentContext _context;
private IPropertyDescriptor[] _descriptors;
private ITaglibDomainMetaDataQuery _query;
/**
* Constructor
* @param ele
* @param source
*/
public AttributePropertySource(Element ele, IPropertySource source) {
_element = (IDOMElement) ele;
_innerSource = source;
_tagEntity = getTagEntity();
}
private Entity getTagEntity() {
_context =
IStructuredDocumentContextFactory.INSTANCE.getContext(_element.getStructuredDocument(), _element);
if (_context == null)
return null;
IWorkspaceContextResolver wsresolver =
IStructuredDocumentContextResolverFactory.INSTANCE.getWorkspaceContextResolver(_context);
if (wsresolver == null)
return null;
ITaglibContextResolver resolver =
IStructuredDocumentContextResolverFactory.INSTANCE.getTaglibContextResolver(_context);
if (resolver == null) return null;
String uri = resolver.getTagURIForNodeName(_element);
//TODO: make below better
if (uri == null){
if (_element.getNamespaceURI() != null && _element.getNamespaceURI().equals("http://java.sun.com/JSP/Page")) //$NON-NLS-1$
uri = "JSP11"; //$NON-NLS-1$
else
uri = "HTML"; //$NON-NLS-1$
}
final IMetaDataDomainContext context = MetaDataQueryContextFactory.getInstance().createTaglibDomainModelContext((IFile)wsresolver.getResource());
_query = MetaDataQueryFactory.getInstance().createQuery(context);
return _query.getQueryHelper().getEntity(uri, _element.getLocalName());
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.views.properties.IPropertySource#getEditableValue()
*/
public Object getEditableValue() {
return _innerSource.getEditableValue();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.views.properties.IPropertySource#getPropertyValue(java.lang.Object)
*/
public Object getPropertyValue(Object id) {
// CR377844: when the attribute in source is "a>b", we would like to
// display
// "a>b" in cell editor. But _innerSource.getPropertyValue(id) will
// return the source
// of the attribute, so can't use that here.
// read QTS log for detail.
// return _innerSource.getPropertyValue(id);
if (id == null) {
return null;
}
String name = id.toString();
String value = _element.getAttribute(name);
if (value == null) {
value = ""; //$NON-NLS-1$
}
return value;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.views.properties.IPropertySource#isPropertySet(java.lang.Object)
*/
public boolean isPropertySet(Object id) {
return _innerSource.isPropertySet(id);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.views.properties.IPropertySource#resetPropertyValue(java.lang.Object)
*/
public void resetPropertyValue(Object id) {
_innerSource.resetPropertyValue(id);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.views.properties.IPropertySource#setPropertyValue(java.lang.Object,
* java.lang.Object)
*/
public void setPropertyValue(final Object id, final Object value) {
Object oldValue = getPropertyValue(id);
if (oldValue == value || (oldValue != null && oldValue.equals(value))) {
return;
}
Command c = new ChangeAttributeCommand(
PDPlugin
.getResourceString("AttributePropertySource.CommandLabel.ChangeAttribute"), _element, (String) id, (String) value); //$NON-NLS-1$
c.execute();
}
/**
* the major job of this wrapper is to provide tag attribute property descriptors
*/
public IPropertyDescriptor[] getPropertyDescriptors() {
if (_descriptors == null) {
final List result = new ArrayList();
final ITagElementResolver tagregResolver = IStructuredDocumentContextResolverFactory2.INSTANCE
.getResolver(_context, ITagElementResolver.class);
if (tagregResolver != null) { //relies on getTagEntity() having been called to have setup the _element
final ITagElement tag = tagregResolver.getTagElement(_element);
if (tag != null) {
for (final ITagAttribute attr : tag.getAttributes().values()) {
final IPropertyDescriptor pd = getAttrPropertyDescriptor(attr
.getName());
if (pd != null)
result.add(new PropertyDescriptorWrapper(_element,
pd));// ,
// getStatusLineManager()));
else {
final PropertyDescriptor pd1 = new TextPropertyDescriptor(
attr.getName(), attr.getName());
pd1.setDescription(attr.getDescription());
pd1.setCategory(ITabbedPropertiesConstants.OTHER_CATEGORY);
result.add(new PropertyDescriptorWrapper(_element,
pd1));// ,
// getStatusLineManager()));
}
}
}
}
if (result.size() == 0) {// for JSP and HTML cases
// this is still
// necessary
final IPropertyDescriptor[] descs = _innerSource.getPropertyDescriptors();
for (int i = 0; i < descs.length; i++) {
final IPropertyDescriptor pd = getAttrPropertyDescriptor((String) descs[i]
.getId());
if (pd != null)
result.add(new PropertyDescriptorWrapper(_element, pd));// ,
// getStatusLineManager()));
else {
if (descs[i] instanceof PropertyDescriptor)
((PropertyDescriptor) descs[i])
.setCategory(ITabbedPropertiesConstants.OTHER_CATEGORY);
result.add(new PropertyDescriptorWrapper(_element,
descs[i]));// ,
// getStatusLineManager()));
}
}
}
_descriptors = new IPropertyDescriptor[result.size()];
result.toArray(_descriptors);
}
return _descriptors;
}
// private IAttributeDescriptor findReferencedAttribute(
// IElementDescriptor elementDescriptor, IPropertyDescriptor desc) {
// return null;
// }
// private IElementDescriptor getElementDescriptor() {
// ICMRegistry registry = CMRegistry.getInstance();
// String uri = CMUtil.getElementNamespaceURI(_element);
// return registry.getElementDescriptor(uri, _element.getLocalName());
// }
private IPropertyDescriptor getAttrPropertyDescriptor(String attrName){
//Bug 364667 - NullPointerException occurs when I try to display attributes for an HTML element in Web Page Editor
if (_query != null) {
Entity attrEntity = _query.findTagAttributeEntity(_tagEntity, attrName);
List ppds = MetaDataEnabledProcessingFactory.getInstance().getAttributeValueRuntimeTypeFeatureProcessors(IPropertyPageDescriptor.class, _context, attrEntity);
if (ppds.size() > 0)
return (IPropertyDescriptor)((IPropertyPageDescriptor)ppds.get(0)).getAdapter(IPropertyDescriptor.class);
}
return null;
}
// private IStatusLineManager getStatusLineManager() {
// _page.getSite().getActionBars().getStatusLineManager();
// }
}