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/*****************************************************************************
* Copyright (c) 2010 CEA LIST.
*
*
* 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:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.textedit.parameter.xtext.ui.contributions;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.emf.common.util.EList;
import org.eclipse.papyrus.uml.tools.utils.MultiplicityElementUtil;
import org.eclipse.papyrus.uml.tools.utils.NamedElementUtil;
import org.eclipse.papyrus.uml.tools.utils.ParameterUtil;
import org.eclipse.papyrus.uml.tools.utils.TypeUtil;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Namespace;
import org.eclipse.uml2.uml.Package;
import org.eclipse.uml2.uml.Parameter;
import org.eclipse.uml2.uml.ParameterEffectKind;
import org.eclipse.uml2.uml.Type;
import org.eclipse.uml2.uml.util.UMLSwitch;
/**
*
* This class provides methods to get the label to display for a Parameter
*
*
*/
public class UMLParameterEditorUtil extends ParameterUtil {
/**
* Returns the string used to represent this parameter
*
* @param parameter
* a parameter
* @return
* the string used to represent this parameter
*/
public static String getLabel(Parameter parameter) {
StringBuffer buffer = new StringBuffer();
// visibility
buffer.append(" "); //$NON-NLS-1$
buffer.append(NamedElementUtil.getVisibilityAsSign(parameter));
// direction
buffer.append(" "); //$NON-NLS-1$
buffer.append(parameter.getDirection().getLiteral());
// name
buffer.append(" "); //$NON-NLS-1$
if (parameter.getName() != null) {
buffer.append(parameter.getName());
}
// type
if (parameter.getType() != null) {
EList<Namespace> namespaces = parameter.allNamespaces();
buffer.append(" : " + getTypeLabel(parameter.getType(), namespaces.get(namespaces.size() - 1))); //$NON-NLS-1$
} else {
buffer.append(" : " + TypeUtil.UNDEFINED_TYPE_NAME); //$NON-NLS-1$
}
// multiplicity -> do not display [1]
String multiplicity = MultiplicityElementUtil.getMultiplicityAsString(parameter);
if (!multiplicity.trim().equals("[1]")) { //$NON-NLS-1$
buffer.append(multiplicity);
}
// property modifiers
buffer.append(" ");
buffer.append(ParameterUtil.getModifiersAsString(parameter, false));
buffer.append(getEffectAsString(parameter));
// default value
if (parameter.getDefaultValue() != null) {
buffer.append(" = "); //$NON-NLS-1$
String defaultValue = new UMLSwitch<String>() {
@Override
public String caseLiteralBoolean(org.eclipse.uml2.uml.LiteralBoolean object) {
return Boolean.toString(object.booleanValue());
}
@Override
public String caseLiteralInteger(org.eclipse.uml2.uml.LiteralInteger object) {
return Integer.toString(object.integerValue());
}
@Override
public String caseLiteralNull(org.eclipse.uml2.uml.LiteralNull object) {
return "null"; //$NON-NLS-1$
}
@Override
public String caseLiteralString(org.eclipse.uml2.uml.LiteralString object) {
return "\"" + object.stringValue() + "\"";
}
@Override
public String caseLiteralReal(org.eclipse.uml2.uml.LiteralReal object) {
return Double.toString(object.getValue());
}
@Override
public String caseLiteralUnlimitedNatural(org.eclipse.uml2.uml.LiteralUnlimitedNatural object) {
return object.getValue() < 0 ? "*" : Integer.toString(object.getValue());
}
}.doSwitch(parameter.getDefaultValue());
buffer.append(defaultValue);
}
return buffer.toString();
}
/**
* Returns the effect of the parameter as a String
*
* @param parameter
* the parameter
* @return
* The effect of the parameter as a String
*/
public static String getEffectAsString(Parameter parameter) {
StringBuffer buffer = new StringBuffer();
ParameterEffectKind effect = parameter.getEffect();
buffer.append(effect.toString());
if (!buffer.toString().equals("")) { //$NON-NLS-1$
buffer.insert(0, "{effect: "); //$NON-NLS-1$
buffer.append("}"); //$NON-NLS-1$
}
return buffer.toString();
}
/**
* Returns the name of the type with its qualified name
*
* @param type
* a type
* @return
* the name of the type with its qualified name
*/
public static String getTypeLabel(Type type, Namespace model) {
String label = ""; //$NON-NLS-1$
List<Package> importedPackages = new ArrayList<Package>(model.getImportedPackages());
List<Package> visitedPackages = new ArrayList<Package>();
Package currentPackage = type.getNearestPackage();
boolean rootFound = false;
while (currentPackage != null && !rootFound) {
visitedPackages.add(currentPackage);
if (importedPackages.contains(currentPackage) || currentPackage == model) {
rootFound = true;
}
Element owner = currentPackage.getOwner();
while (owner != null && !(owner instanceof Package)) {
owner = owner.getOwner();
}
currentPackage = owner != null ? (Package) owner : null;
}
for (int i = visitedPackages.size() - 1; i >= 0; i--) {
label += visitedPackages.get(i).getName() + "::"; //$NON-NLS-1$
}
return label + type.getName();
}
}
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