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/*****************************************************************************
* Copyright (c) 2011 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:
* Amine EL KOUHEN (CEA LIST/LIFL) - Amine.Elkouhen@cea.fr
*****************************************************************************/
package org.eclipse.papyrus.infra.services.decoration.util;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang.WordUtils;
import org.eclipse.core.runtime.Platform;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.facet.infra.browser.uicore.internal.model.LinkItem;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.papyrus.infra.services.decoration.Activator;
import org.eclipse.papyrus.infra.services.decoration.DecorationService;
// TODO: Auto-generated Javadoc
/**
* The Class DecorationUtils.
*/
public class DecorationUtils {
/** Current element. */
private Object element;
/** current eobject. */
private EObject eObject;
/**
* The Enum MarkChildren.
*/
public enum MarkChildren {
/** The NO. */
NO,
/** The DIRECT. */
DIRECT,
/** The ALL. */
ALL
};
/**
* Instantiates a new decoration utils.
*
* @param element
* the element
*/
public DecorationUtils(Object element) {
if(element == null) {
throw new IllegalArgumentException("The decorated element shall not be null");
}
EObject eObject = (EObject)Platform.getAdapterManager().getAdapter(element, EObject.class);
if(eObject == null) {
throw new IllegalArgumentException("The decorated EObject shall not be null");
}
this.element = element;
setEObject(eObject);
}
/**
* Instantiates a new decoration utils.
*
* @param eObject
* the e object
*/
public DecorationUtils(EObject eObject) {
if(eObject == null) {
throw new IllegalArgumentException("The decorated EObject shall not be null");
}
setEObject(eObject);
}
/**
* Try child if empty.
*/
public void tryChildIfEmpty() {
// element has no eObject. try parent
if(getEObject() == null) {
// TODO: is it possible to access the children in another way (without internal access?)
if(element instanceof LinkItem) {
List<?> items = ((LinkItem)element).getChildrenElements();
if(items.size() > 0 && items.get(0) instanceof EObject) {
// element = items[0];
setEObject((EObject)items.get(0));
}
}
}
}
/**
* Gets the e object.
*
* @return the e object
*/
public EObject getEObject() {
return eObject;
}
/**
* Sets the e object.
*
* @param eObject
* the new e object
*/
public void setEObject(EObject eObject) {
this.eObject = eObject;
}
/**
* Gets the decorations.
*
* @param decorationService
* the decoration service
* @return the decorations
*/
public Map<String, Decoration> getDecorations(DecorationService decorationService) {
return decorationService.getDecorations();
}
/**
* Gets the hierarchical markers.
*
* @return the hierarchical markers
*/
public MarkChildren getHierarchicalMarkers() {
IPreferenceStore store = Activator.getDefault().getPreferenceStore();
String choice = store.getString(Activator.getDefault().HIERARCHICAL_MARKERS);
if(choice.equals("NO")) {
return MarkChildren.NO;
} else if(choice.equals("DIRECT")) {
return MarkChildren.DIRECT;
} else {
return MarkChildren.ALL;
}
}
/**
* Gets the decoration severity.
*
* @param decorationService
* the decoration service
* @param navigateToParents
* the navigate to parents
* @return the decoration severity
*/
public int getDecorationSeverity(DecorationService decorationService, boolean navigateToParents) {
Map<String, Decoration> decorations = getDecorations(decorationService);
MarkChildren markChildren = getHierarchicalMarkers();
int severity = 0;
if(decorations != null) {
Iterator it = decorations.entrySet().iterator();
while(it.hasNext()) {
Map.Entry pairs = (Map.Entry)it.next();
Decoration decoration = (Decoration)pairs.getValue();
EObject eObjectOfDecorator = decoration.getElement();
boolean first = true;
while(eObjectOfDecorator != null) {
if(eObjectOfDecorator == getEObject()) {
int severityI = decoration.getSeverity();
if(severityI > severity) {
severity = severityI;
}
}
if(!navigateToParents) {
break;
}
// navigate to parents, since parent folder is contaminated as well
eObjectOfDecorator = eObjectOfDecorator.eContainer();
if(markChildren != MarkChildren.ALL) {
if((!first) || (markChildren == MarkChildren.NO)) {
break;
}
}
first = false;
}
}
}
return severity;
}
/**
* Gets the decoration message.
*
* @param decorationService
* the decoration service
* @return the decoration message
*/
public String getDecorationMessage(DecorationService decorationService) {
Map<String, Decoration> decorations = getDecorations(decorationService);
if(decorations != null) {
String message = "";
Iterator it = decorations.entrySet().iterator();
while(it.hasNext()) {
Map.Entry pairs = (Map.Entry)it.next();
Decoration decoration = (Decoration)pairs.getValue();
EObject eObjectOfDecorator = decoration.getElement();
if(eObjectOfDecorator == getEObject()) {
if(message.length() > 0) {
message += "\n";
}
message += "- " + WordUtils.wrap(decoration.getMessage(), 100, "\n ", true);
}
}
return (message.length() > 0) ? message : null;
}
return null;
}
/**
* Gets the decoration.
*
* @param decorationService
* the decoration service
* @param navigateToParents
* the navigate to parents
* @return the decoration
*/
public Decoration getDecoration(DecorationService decorationService, boolean navigateToParents) {
return new Decoration(getEObject().toString(), getDecorationSeverity(decorationService, navigateToParents), getDecorationMessage(decorationService), getEObject());
}
}
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