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/*****************************************************************************
* Copyright (c) 2013 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:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.moka.launch;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.papyrus.infra.core.editor.IMultiDiagramEditor;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IEditorReference;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.FileEditorInput;
/**
* Some utilities for dealing with IEditorParts and File editor inputs
*
*/
public class EditorUtils {
/**
* Returns the IEditorPart associated with the given model element.
* If no IEditorPart is available in the workbench, a new one is created.
*
* @param modelElement The modelElement for which an IEditorPart is requested
* @return The IEditorPart associated with the given model element.
*/
public static IEditorPart getEditorPart(EObject modelElement) {
if (! modelElement.eIsProxy())
return getEditorPart(modelElement.eResource().getURI().toString()) ;
IEditorPart part = null ;
// Need to open a new editor
final FileEditorInput input = getFileEditorInput(modelElement) ;
OpenPapyrusEditorRunnable runnable = new OpenPapyrusEditorRunnable(input) ;
Display.getDefault().syncExec(runnable) ;
part = runnable.getEditorPart() ;
return part ;
}
/**
* Returns the IEditorPart associated with the Resource depicted by the given resourceURI string.
* If no IEditorPart is available in the workbench, a new one is created.
*
* @param resourceURI The string representation of the resource URI for which an IEditorPart is requested
* @return The IEditorPart associated with the given resource URI.
*/
public static IEditorPart getEditorPart(String resourceURI) {
// FIXME this snippet of code is not robust
String[] splitted = resourceURI.split("/") ;
String resourceName = splitted[splitted.length - 1].replaceAll("\\.uml$", ".di") ;
IWorkbenchWindow[] windows = PlatformUI.getWorkbench().getWorkbenchWindows() ;
IEditorPart part = null ;
for (int i = 0 ; i < windows.length && part == null ; i++) {
IWorkbenchPage[] pages = windows[i].getPages() ;
for (int j = 0 ; j < pages.length && part == null ; j++) {
IEditorReference[] editorReferences = pages[j].getEditorReferences() ;
for (int k = 0 ; k < editorReferences.length && part == null ; k++) {
IEditorReference ref = editorReferences[k] ;
IEditorPart cdd = ref.getEditor(true) ;
if (cdd instanceof IMultiDiagramEditor) {
String cddName = cdd.getEditorInput().getName() ;
if (cddName.equals(resourceName))
part = cdd ;
}
}
}
}
if (part == null) {
// Need to open a new editor
final FileEditorInput input = getFileEditorInput(resourceURI) ;
OpenPapyrusEditorRunnable runnable = new OpenPapyrusEditorRunnable(input) ;
Display.getDefault().syncExec(runnable) ;
part = runnable.getEditorPart() ;
}
return part ;
}
/**
* Returns a File Editor Input for the given model element.
* This shall be understood as "The FileEditorInput which shall be used
* to retrieve or construct the appropriate IEditorPart"
*
* @param modelElement The model element for which a File Editor Input is requested
* @return The FileEditorInput which shall be used to retrieve or construct the appropriate IEditorPart for editing this model element
*/
public static FileEditorInput getFileEditorInput(EObject modelElement) {
EObject resolvedElement = modelElement ;
if (resolvedElement.eIsProxy()) {
// Tries to resolve in a new resource set
resolvedElement = EcoreUtil.resolve(modelElement, new ResourceSetImpl()) ;
}
return getFileEditorInput(resolvedElement.eResource().getURI().toString()) ;
}
/**
* Returns a File Editor Input for the given resource URI string.
*
* @param resourceURI The string representing the resource URI for which a FileEditorInput is requested
* @return a File Editor Input for the given resource URI string.
*/
public static FileEditorInput getFileEditorInput(String resourceURI) {
Resource newResource = new ResourceSetImpl().createResource(URI.createURI(resourceURI.replaceAll("\\.uml$", ".di"))) ;
IWorkspace workspace = ResourcesPlugin.getWorkspace();
IWorkspaceRoot workspaceRoot = workspace.getRoot();
IFile modelElementIFile = (IFile) workspaceRoot.findMember(newResource.getURI().toPlatformString(true));
if(modelElementIFile == null)
return null ;
return new FileEditorInput(modelElementIFile) ;
}
}
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