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/*****************************************************************************
* Copyright (c) 2017 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:
* Pauline DEVILLE (CEA LIST) pauline.deville@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.toolsmiths.profilemigration.internal.migrators.atomic.profile;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.emf.edit.tree.TreeNode;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.papyrus.toolsmiths.profilemigration.MigratorProfileApplication;
import org.eclipse.papyrus.toolsmiths.profilemigration.internal.data.structure.StereotypeApplicationDescriptor;
import org.eclipse.papyrus.toolsmiths.profilemigration.internal.data.structure.StereotypeApplicationRegistry;
import org.eclipse.papyrus.toolsmiths.profilemigration.internal.utils.ProfileUtil;
import org.eclipse.papyrus.toolsmiths.profilemigration.internal.utils.TreeNodeUtils;
import org.eclipse.papyrus.toolsmiths.profilemigration.migrators.atomic.AbstractMigrator;
import org.eclipse.papyrus.toolsmiths.profilemigration.migrators.atomic.profile.IMoveProfileMigrator;
import org.eclipse.papyrus.toolsmiths.profilemigration.ui.Activator;
import org.eclipse.papyrus.toolsmiths.profilemigration.ui.dialogs.MoveProfileDialog;
import org.eclipse.papyrus.toolsmiths.profilemigration.ui.preferences.ProfileMigrationPreferenceConstants;
import org.eclipse.swt.widgets.Display;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Package;
import org.eclipse.uml2.uml.Profile;
import org.eclipse.uml2.uml.Stereotype;
/**
* If a profile is moved to another profile then the migration tool shall focus
* on the preservation of the stereotype applications available at the profiled model.
*
* If the profile was moved in a profile that is already applied on the profiled
* model then the migration is trivial and every stereotype application shall remain.
*
* If the profile was moved in a profile that is not already applied on the profiled model
* then the migration tool asks the designer if the moved profile should be reapplied.
* If the designer answers 'yes' every stereotype application shall remain conversely if
* the answer is 'no' then every stereotype application shall be deleted.
*/
public class MoveProfileMigrator extends AbstractMigrator implements IMoveProfileMigrator {
private Profile movedProfile;
private Package newContainer;
/**
* Constructor.
*
* @param treeNode
* the treeNode corresponding to this migrator
*/
public MoveProfileMigrator(TreeNode treeNode) {
super(treeNode);
}
/**
* This method check if the specified treeNode is a node representing the current change
*
* Is valid if:
* 1] the treeNode is a moved node
* 2] the moved element is a Profile
* 3] the moved profile is the currently profile use for the migration
*
* @param treeNode
* @return true if the treeNode represent the current change
*/
public static boolean isValid(TreeNode treeNode) {
if (TreeNodeUtils.isMoveChange(treeNode)) {
Object element = TreeNodeUtils.getMovedElement(treeNode);
if (element instanceof Profile) {
if (element == MigratorProfileApplication.appliedProfile) {
return true;
}
}
}
return false;
}
/**
* This method is used to evaluate if the specified node correspond to the
* change that we expect to manage with
*
* @return return true if the treeNode is the expected change, false otherwise
*/
@Override
public boolean isValid() {
return isValid(treeNode);
}
/**
* If the profile new container is not yet applied in the model
* then we ask the designer if the moved profile should be reapplied
* otherwise we remove every stereotype application of stereotypes owned by the moved profile
*/
@Override
public void migrationAction() {
if (isDisplayDialogPreference()) {
Profile nearestProfile = ProfileUtil.getNearestProfile(newContainer);
if (MigratorProfileApplication.profiledModel.getProfileApplication(nearestProfile) == null) {
MoveProfileDialog dialog = new MoveProfileDialog(Display.getDefault().getActiveShell(), movedProfile, nearestProfile);
dialog.open();
if (dialog.isReapply()) {
MigratorProfileApplication.profiledModel.applyProfile(movedProfile);
} else { // the answer is no: delete stereotype application
List<Stereotype> ownedStereotype = new ArrayList<>();
ProfileUtil.findAllStereotypes(movedProfile, ownedStereotype);
for (Stereotype stereotype : ownedStereotype) {
List<StereotypeApplicationDescriptor> list = StereotypeApplicationRegistry.getStereotypeApplicationDescriptors(stereotype);
for (StereotypeApplicationDescriptor descriptor : list) {
descriptor.getOwner().unapplyStereotype(descriptor.getStereotype());
}
// remove the list of unapplied stereotype to avoid that later we try to migrate an unapplied stereotype
StereotypeApplicationRegistry.stereotypeApplicationList.removeAll(list);
}
}
}
}
}
/**
* Initialize attributes from the treeNode
*/
@Override
public void initAttributes() {
if (isValid()) {
movedProfile = (Profile) TreeNodeUtils.getMovedElement(treeNode);
newContainer = (Package) TreeNodeUtils.getMovedTargetContainer(treeNode);
}
}
/**
* Get the priority, this priority will define the order of execution of migrators.
* If the priority is 0 it will be execute last.
*
* @return the priority
*/
@Override
public int getPriority() {
return 100;
}
/**
* Get the value of the preference for the specific dialog
*
* @return true if the dialog should be display
*/
private boolean isDisplayDialogPreference() {
final IPreferenceStore prefStore = Activator.getDefault().getPreferenceStore();
return prefStore.getBoolean(ProfileMigrationPreferenceConstants.PROFILE_MOVE);
}
/**
* Get the new container of the element
*
* @return the new container of the element
*/
@Override
public Element getTargetContainer() {
return (Element) newContainer;
}
/**
* Get the old container of the element (before the move)
*
* @return the old container of the element
*/
@Override
public Element getSourceContainer() {
return (Element) TreeNodeUtils.getMovedSourceContainer(treeNode, MigratorProfileApplication.comparison);
}
/**
* Get the moved element
*
* @return the moved element
*/
@Override
public Element getMovedElement() {
return movedProfile;
}
/**
* Get the moved profile
*
* @return the moved profile
*/
@Override
public Profile getProfile() {
return movedProfile;
}
}
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