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package org.eclipse.papyrus.robotml.diagram.common.migration;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.gmf.runtime.common.core.command.AbstractCommand;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.papyrus.infra.gmfdiag.common.reconciler.DiagramReconciler;
import org.eclipse.papyrus.infra.gmfdiag.common.utils.DiagramUtils;
import org.eclipse.papyrus.infra.viewpoints.policy.PolicyChecker;
import org.eclipse.papyrus.infra.viewpoints.policy.ViewPrototype;
import org.eclipse.papyrus.robotml.diagram.common.factory.RobotMLArchitecture2CompositeDiagramFactory;
import org.eclipse.papyrus.robotml.diagram.common.factory.RobotMLComponent2CompositeDiagramFactory;
import org.eclipse.papyrus.robotml.diagram.common.factory.RobotMLDatatype2ClassDiagramFactory;
import org.eclipse.papyrus.robotml.diagram.common.factory.RobotMLInterface2ClassDiagramFactory;
import org.eclipse.papyrus.uml.diagram.clazz.edit.parts.ModelEditPart;
import org.eclipse.papyrus.uml.diagram.composite.edit.parts.CompositeStructureDiagramEditPart;
public class RobotMLReconciler extends DiagramReconciler {
private static final String OLD_ARCHITECTURE_TYPE = RobotMLArchitecture2CompositeDiagramFactory.OLD_ROBOT_ML_TYPE;
private static final String OLD_COMPONENT_TYPE = RobotMLComponent2CompositeDiagramFactory.OLD_ROBOT_ML_TYPE;
private static final String OLD_INTERFACE_TYPE = RobotMLInterface2ClassDiagramFactory.OLD_ROBOT_ML_TYPE;
private static final String OLD_DATATYPE_TYPE = RobotMLDatatype2ClassDiagramFactory.OLD_ROBOT_ML_TYPE;
private static final String NEW_CLASS_DIAGRAM = ModelEditPart.MODEL_ID;
private static final String NEW_COMPOSITE_DIAGRAM = CompositeStructureDiagramEditPart.MODEL_ID;
private static final MigrationData ARCHITECTURE = new MigrationData(OLD_ARCHITECTURE_TYPE, NEW_COMPOSITE_DIAGRAM, "RobotML Architecture");
private static final MigrationData COMPONENT = new MigrationData(OLD_COMPONENT_TYPE, NEW_COMPOSITE_DIAGRAM, "RobotML Component");
private static final MigrationData INTERFACE = new MigrationData(OLD_INTERFACE_TYPE, NEW_CLASS_DIAGRAM, "RobotML Interface");
private static final MigrationData DATATYPE = new MigrationData(OLD_DATATYPE_TYPE, NEW_CLASS_DIAGRAM, "RobotML Datatype");
/**
* Original code in {@link MigrateDiagramsHandler} uses {@link String#equalsIgnoreCase(String)}.
* <p/>
* So the keys in this map are old types toLoserCase.
*/
private static final Map<String, MigrationData> ourMigrations;
static {
ourMigrations = new HashMap<String, MigrationData>();
for(MigrationData next : new MigrationData[]{ ARCHITECTURE, COMPONENT, INTERFACE, DATATYPE }) {
ourMigrations.put(safeToLowerCase(next.getOldType()), next);
}
}
@Override
public ICommand getReconcileCommand(Diagram diagram) {
MigrationData data = findMigration(diagram);
return data == null ? null : new RobotMLReconcileCommand(diagram, data);
}
/**
* Ignores case
*/
private MigrationData findMigration(Diagram diagram) {
return ourMigrations.get(safeToLowerCase(diagram.getType()));
}
private static String safeToLowerCase(String text) {
return text == null ? null : text.toLowerCase();
}
private static class RobotMLReconcileCommand extends AbstractCommand {
private final Diagram myDiagram;
private final MigrationData myMigrationData;
public RobotMLReconcileCommand(Diagram diagram, MigrationData data) {
super("Migrate old RobotML diagram");
myDiagram = diagram;
myMigrationData = data;
}
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor progressMonitor, IAdaptable info) throws ExecutionException {
DiagramUtils.setPrototype(myDiagram, myMigrationData.getPrototype());
DiagramUtils.setOwner(myDiagram, myDiagram.getElement());
myDiagram.setType(myMigrationData.getNewType());
return CommandResult.newOKCommandResult();
}
@Override
public boolean canUndo() {
return false;
}
@Override
public boolean canRedo() {
return false;
}
@Override
protected CommandResult doRedoWithResult(IProgressMonitor progressMonitor, IAdaptable info) throws ExecutionException {
throw new ExecutionException("Should not be called, canRedo false");
}
@Override
protected CommandResult doUndoWithResult(IProgressMonitor progressMonitor, IAdaptable info) throws ExecutionException {
throw new ExecutionException("Should not be called, canUndo false");
}
}
/**
* Encapsulates migration scheme from given old RobotML, new UML diagram type and given prototype.
* <p/>
* Instances of this class are considered invalid if the prototype is not known.
*/
private static class MigrationData {
private ViewPrototype myCachedPrototype;
private final String myNewType;
private final String myOldType;
private final String myPrototypeLabel;
public MigrationData(String oldType, String newType, String prototypeLabel) {
myOldType = oldType;
myNewType = newType;
myPrototypeLabel = prototypeLabel;
}
public String getPrototypeLabel() {
return myPrototypeLabel;
}
public String getOldType() {
return myOldType;
}
public String getNewType() {
return myNewType;
}
public ViewPrototype getPrototype() {
if(myCachedPrototype == null) {
myCachedPrototype = findPrototype(myPrototypeLabel);
}
return myCachedPrototype;
}
private static ViewPrototype findPrototype(String label) {
for(ViewPrototype proto : PolicyChecker.getCurrent().getAllPrototypes()) {
if(proto.getLabel().contains(label)) {
return proto;
}
}
return null;
}
}
}
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