org.apache.cayenne.modeler.undo.RemoveRelationshipUndoableEdit Maven / Gradle / Ivy

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 *  or more contributor license agreements.  See the NOTICE file
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 *  to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne.modeler.undo;

import javax.swing.undo.CannotRedoException;
import javax.swing.undo.CannotUndoException;

import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.map.DbRelationship;
import org.apache.cayenne.map.ObjEntity;
import org.apache.cayenne.map.ObjRelationship;
import org.apache.cayenne.modeler.action.CreateRelationshipAction;
import org.apache.cayenne.modeler.action.RemoveRelationshipAction;

public class RemoveRelationshipUndoableEdit extends BaseRemovePropertyUndoableEdit {

    private ObjRelationship[] rels;
    private DbRelationship[] dbRels;

    public RemoveRelationshipUndoableEdit(ObjEntity objEntity, ObjRelationship[] rels) {
        super();
        this.objEntity = objEntity;
        this.rels = rels;
    }

    public RemoveRelationshipUndoableEdit(DbEntity dbEntity, DbRelationship[] dbRels) {
        super();
        this.dbEntity = dbEntity;
        this.dbRels = dbRels;
    }

    @Override
    public String getPresentationName() {
        if (objEntity != null) {
            return "Remove Obj Relationship";
        } else {
            return "Remove Db Relationship";
        }
    }

    @Override
    public void redo() throws CannotRedoException {
        RemoveRelationshipAction action = actionManager.getAction(RemoveRelationshipAction.class);
        if (objEntity != null) {
            action.removeObjRelationships(objEntity, rels);
            focusObjEntity();
        } else {
            action.removeDbRelationships(dbEntity, dbRels);
            focusDBEntity();
        }
    }

    @Override
    public void undo() throws CannotUndoException {
        CreateRelationshipAction action = actionManager.getAction(CreateRelationshipAction.class);
        if (objEntity != null) {
            for (ObjRelationship r : rels) {
                action.createObjRelationship(objEntity, r);
            }
            focusObjEntity();
        } else {
            for (DbRelationship dr : dbRels) {
                action.createDbRelationship(dbEntity, dr);
            }
            focusDBEntity();
        }
    }
}