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/*****************************************************************************
* Copyright (c) 2014 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:
* Laurent Wouters laurent.wouters@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.viewpoints.policy;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.papyrus.infra.viewpoints.configuration.Category;
import org.eclipse.papyrus.infra.viewpoints.configuration.ModelRule;
import org.eclipse.papyrus.infra.viewpoints.configuration.OwningRule;
import org.eclipse.papyrus.infra.viewpoints.configuration.PapyrusViewpoint;
import org.eclipse.swt.graphics.Image;
/**
* Content provider of ViewPrototypes
*
* @author Laurent Wouters
*
*/
public class ViewPrototypeContentProvider implements ITreeContentProvider {
private static Image loadImage(String uri) {
URL url = null;
try {
url = new URL(uri);
} catch (MalformedURLException e) {
}
return ImageDescriptor.createFromURL(url).createImage();
}
public static class LP extends LabelProvider {
private Image imageCategory = loadImage("platform:/plugin/org.eclipse.papyrus.infra.viewpoints.configuration.edit/icons/full/obj16/PapyrusView.png");
private Image imageViewpoint = loadImage("platform:/plugin/org.eclipse.papyrus.infra.viewpoints.configuration.edit/icons/full/obj16/PapyrusViewpoint.png");
private Image imageProfile = loadImage("platform:/plugin/org.eclipse.papyrus.uml.profile/resources/icons/Profile.gif");
private Image imageModel = loadImage("platform:/plugin/org.eclipse.papyrus.infra.viewpoints.configuration.edit/icons/full/obj16/ModelRule.png");
private Image imageOwner = loadImage("platform:/plugin/org.eclipse.papyrus.infra.viewpoints.configuration.edit/icons/full/obj16/OwningRule.png");
@Override
public String getText(Object element) {
if (element instanceof Category)
return "Category " + ((Category) element).getName();
if (element instanceof ViewPrototype)
return ((ViewPrototype) element).getLabel();
if (element instanceof PapyrusViewpoint)
return "Available in viewpoint: " + ((PapyrusViewpoint) element).getName();
if (element instanceof EPackage)
return "Required profile: " + ((EPackage) element).getNsURI();
if (element instanceof ModelRule)
return getText((ModelRule) element);
if (element instanceof OwningRule)
return getText((OwningRule) element);
return element.toString();
}
private String getText(ModelRule rule) {
StringBuilder builder = new StringBuilder("Possible root: ");
boolean first = true;
for (EClass ste : rule.getStereotypes()) {
if (!first)
builder.append(", ");
builder.append("<<");
builder.append(ste.getEPackage().getNsPrefix());
builder.append("::");
builder.append(ste.getName());
builder.append(">>");
first = false;
}
if (rule.getElement() != null) {
if (!first)
builder.append(" ");
builder.append(rule.getElement().getEPackage().getNsPrefix());
builder.append("::");
builder.append(rule.getElement().getName());
}
return builder.toString();
}
private String getText(OwningRule rule) {
StringBuilder builder = new StringBuilder("Possible owner: ");
boolean first = true;
for (EClass ste : rule.getStereotypes()) {
if (!first)
builder.append(", ");
builder.append("<<");
builder.append(ste.getEPackage().getNsPrefix());
builder.append("::");
builder.append(ste.getName());
builder.append(">>");
first = false;
}
if (rule.getElement() != null) {
if (!first)
builder.append(" ");
builder.append(rule.getElement().getEPackage().getNsPrefix());
builder.append("::");
builder.append(rule.getElement().getName());
}
return builder.toString();
}
@Override
public Image getImage(Object element) {
if (element instanceof Category)
return imageCategory;
if (element instanceof ViewPrototype)
return ((ViewPrototype) element).getIcon();
if (element instanceof PapyrusViewpoint)
return imageViewpoint;
if (element instanceof EPackage)
return imageProfile;
if (element instanceof ModelRule)
return imageModel;
if (element instanceof OwningRule)
return imageOwner;
return null;
}
}
/**
* The root of all views
*/
public static final Object treeRoot = new Object();
/**
* The views
*/
private Map<Category, List<ViewPrototype>> views;
/**
* The categories
*/
private List<Category> categories;
/**
* Creates the provider
*
* @param views
* The views to provide
*/
public ViewPrototypeContentProvider() {
this.views = new HashMap<Category, List<ViewPrototype>>();
this.categories = new ArrayList<Category>();
for (ViewPrototype view : PolicyChecker.getCurrent().getAllPrototypes()) {
for (Category category : view.getCategories()) {
if (!categories.contains(category)) {
categories.add(category);
views.put(category, new ArrayList<ViewPrototype>());
}
views.get(category).add(view);
}
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
public void dispose() {
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#getElements(java.lang.Object)
*/
public Object[] getElements(Object inputElement) {
return categories.toArray();
}
private Object[] getChildren(ViewPrototype view) {
if (view.getConfiguration() == null)
return new String[0];
List<Object> data = new ArrayList<Object>();
data.add(view.getConfiguration().eContainer());
data.addAll(view.getConfiguration().getProfiles());
data.addAll(view.getConfiguration().getModelRules());
data.addAll(view.getConfiguration().getOwningRules());
return data.toArray();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
*/
public Object[] getChildren(Object element) {
if (element == treeRoot)
return categories.toArray();
if (element instanceof Category)
return views.get((Category) element).toArray();
if (element instanceof ViewPrototype)
return getChildren((ViewPrototype) element);
return new Object[0];
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
*/
public Object getParent(Object element) {
if (element == treeRoot)
return null;
if (element instanceof Category)
return treeRoot;
return null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
*/
public boolean hasChildren(Object element) {
if (element == treeRoot)
return true;
if (element instanceof Category)
return true;
if (element instanceof ViewPrototype)
return true;
return false;
}
}
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