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/*******************************************************************************
* Copyright (c) 2011 protos software gmbh (http://www.protos.de).
* 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:
* Juergen Haug (initial contribution)
*
*******************************************************************************/
package org.eclipse.etrice.ui.behavior.fsm.provider
import com.google.common.collect.ArrayListMultimap
import com.google.common.collect.Multimap
import java.util.Collection
import org.eclipse.emf.ecore.EObject
import org.eclipse.emf.ecore.util.EcoreUtil
import org.eclipse.etrice.core.fsm.fSM.ModelComponent
import org.eclipse.etrice.ui.behavior.fsm.editor.AbstractFSMDiagramTypeProvider
import org.eclipse.etrice.ui.common.base.support.DiagramAccessBase
import org.eclipse.graphiti.mm.pictograms.Diagram
import org.eclipse.graphiti.mm.pictograms.PictogramElement
import org.eclipse.graphiti.mm.pictograms.PictogramLink
import org.eclipse.graphiti.services.Graphiti
/**
* Provides the {@linkplain PictogramElement} objects of the base class diagram.
* This is a reverse mapping from room business objects to linked base diagram pictograms.
*/
class BaseDiagramProvider {
val Diagram baseDiagram
val Multimap<EObject, PictogramElement> baseDiagramBusinessObjs = ArrayListMultimap.create
new(AbstractFSMDiagramTypeProvider diagramTypeProvider) {
val diagramAccess = diagramTypeProvider.injector.getInstance(DiagramAccessBase)
val mc = Graphiti.linkService.getBusinessObjectForLinkedPictogramElement(diagramTypeProvider.diagram) as ModelComponent
val rs = diagramTypeProvider.diagram.eResource.resourceSet
// open base diagram => causes full recursive update or creation of all base diagrams
baseDiagram = if(mc.base != null) diagramAccess.getDiagram(mc.base, rs)
if(baseDiagram != null) {
// create mapping from business object to pictogram elements
EcoreUtil.ExternalCrossReferencer.find(baseDiagram).forEach [ targetEObj, eFeatureSetting |
eFeatureSetting.map[getEObject].filter(PictogramLink).map[pictogramElement].forEach [ pe |
baseDiagramBusinessObjs.put(targetEObj, pe)
]
]
// base diagram resource not needed anymore
rs.resources.remove(baseDiagram.eResource)
}
}
def Collection<PictogramElement> getPictograms(EObject roomObj) {
if(roomObj == null) emptyList else baseDiagramBusinessObjs.get(roomObj)
}
}
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