/**
* Copyright (c) 2012 Eclipse contributors 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
*/
package org.eclipse.emf.ecore.xcore.ui.hover;
import org.eclipse.emf.codegen.ecore.genmodel.GenBase;
import org.eclipse.emf.codegen.ecore.genmodel.GenFeature;
import org.eclipse.emf.ecore.EModelElement;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.xcore.XAnnotationDirective;
import org.eclipse.emf.ecore.xcore.XNamedElement;
import org.eclipse.emf.ecore.xcore.mappings.XcoreMapper;
import org.eclipse.jdt.ui.JavaElementLabels;
import org.eclipse.xtext.common.types.JvmAnyTypeReference;
import org.eclipse.xtext.common.types.JvmConstructor;
import org.eclipse.xtext.common.types.JvmEnumerationType;
import org.eclipse.xtext.common.types.JvmField;
import org.eclipse.xtext.common.types.JvmFormalParameter;
import org.eclipse.xtext.common.types.JvmGenericType;
import org.eclipse.xtext.common.types.JvmOperation;
import org.eclipse.xtext.common.types.JvmTypeParameter;
import org.eclipse.xtext.common.types.JvmTypeReference;
import org.eclipse.xtext.naming.IQualifiedNameConverter;
import org.eclipse.xtext.naming.IQualifiedNameProvider;
import org.eclipse.xtext.naming.QualifiedName;
import org.eclipse.xtext.xbase.ui.hover.XbaseDeclarativeHoverSignatureProvider;
import com.google.inject.Inject;
public class XcoreHoverSignatureProvider extends XbaseDeclarativeHoverSignatureProvider
{
@Inject
private IQualifiedNameProvider nameProvider;
@Inject
private IQualifiedNameConverter nameConverter;
@Inject
private XcoreMapper mapper;
@Override
protected String internalGetSignature(EObject object, boolean typeAtEnd)
{
String result = super.internalGetSignature(object, typeAtEnd);
return result == null ? null : result.replace("<", "<");
}
protected String _signature(XNamedElement xNamedElement, boolean typeAtEnd)
{
QualifiedName qualifiedName = nameProvider.getFullyQualifiedName(xNamedElement);
String name = nameConverter.toString(qualifiedName);
if (xNamedElement instanceof XAnnotationDirective)
{
return "annotation \"" + ((XAnnotationDirective)xNamedElement).getSourceURI() + "\" as " + name;
}
else
{
return name;
}
}
protected String _signature(GenBase genBase, boolean typeAtEnd)
{
QualifiedName qualifiedName =
genBase instanceof GenFeature ?
nameProvider.getFullyQualifiedName(genBase.eContainer()).append(((GenFeature)genBase).getName()) :
nameProvider.getFullyQualifiedName(genBase);
return nameConverter.toString(qualifiedName);
}
protected String _signature(EModelElement eModelElement, boolean typeAtEnd)
{
QualifiedName qualifiedName = nameProvider.getFullyQualifiedName(eModelElement);
return nameConverter.toString(qualifiedName);
}
@Override
protected String _signature(JvmGenericType jvmGenericType, boolean typeAtEnd)
{
return jvmGenericType.getQualifiedName() + hoverUiStrings.typeParameters(jvmGenericType.getTypeParameters());
}
@Override
protected String _signature(JvmEnumerationType jvmEnumerationType, boolean typeAtEnd)
{
return jvmEnumerationType.getQualifiedName();
}
@Override
protected String _signature(JvmOperation jvmOperation, boolean typeAtEnd)
{
JvmTypeReference returnType = jvmOperation.getReturnType();
String returnTypeString =
returnType == null ?
"void" :
returnType instanceof JvmAnyTypeReference ?
"Object" :
returnType.getSimpleName();
String signature = jvmOperation.getQualifiedName() + hoverUiStrings.parameters(jvmOperation) + getThrowsDeclaration(jvmOperation);
String typeParameter = uiStrings.typeParameters(jvmOperation.getTypeParameters());
return
typeParameter != null && typeParameter.length() > 0 ?
typeAtEnd ?
signature + " " + typeParameter + " : " + returnTypeString :
typeParameter + " " + returnTypeString + " " + signature :
typeAtEnd ?
signature + " : " + returnTypeString :
returnTypeString + " " + signature;
}
@Override
protected String _signature(JvmField jvmField, boolean typeAtEnd)
{
JvmTypeReference type = jvmField.getType();
String fieldName = jvmField.getQualifiedName();
if (type != null)
{
String fieldType = type.getSimpleName();
return
typeAtEnd ?
fieldName + " : " + fieldType :
fieldType + " " + fieldName;
}
return fieldName;
}
@Override
protected String _signature(JvmConstructor contructor, boolean typeAtEnd)
{
return super._signature(contructor, typeAtEnd);
}
@Override
protected String _signature(JvmFormalParameter parameter, boolean typeAtEnd)
{
EObject eContainer = parameter.eContainer();
String name = parameter.getName();
String eContainerSignature = internalGetSignature(eContainer, typeAtEnd);
if (eContainerSignature != null)
{
name += JavaElementLabels.CONCAT_STRING + eContainerSignature;
}
return name;
}
@Override
protected String _signature(JvmTypeParameter parameter, boolean typeAtEnd)
{
EObject eContainer = parameter.eContainer();
String name = parameter.getName();
String eContainerSignature = internalGetSignature(eContainer, typeAtEnd);
if (eContainerSignature != null)
{
name += JavaElementLabels.CONCAT_STRING + eContainerSignature;
}
return name;
}
}