Package org.apache.cayenne.modeler.dialog.query

Source Code of org.apache.cayenne.modeler.dialog.query.QueryTypeController

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*  distributed with this work for additional information
*  regarding copyright ownership.  The ASF licenses this file
*  to you under the Apache License, Version 2.0 (the
*  "License"); you may not use this file except in compliance
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*
*    http://www.apache.org/licenses/LICENSE-2.0
*
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package org.apache.cayenne.modeler.dialog.query;

import org.apache.cayenne.access.DataDomain;
import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.event.MapEvent;
import org.apache.cayenne.map.event.QueryEvent;
import org.apache.cayenne.modeler.ProjectController;
import org.apache.cayenne.modeler.event.QueryDisplayEvent;
import org.apache.cayenne.project.NamedObjectFactory;
import org.apache.cayenne.query.AbstractQuery;
import org.apache.cayenne.query.Query;
import org.scopemvc.controller.basic.BasicController;
import org.scopemvc.core.Control;
import org.scopemvc.core.ControlException;

/**
* A Scope controller for QueryTypeDialog.
*
* @author Andrei Adamchik
*/
public class QueryTypeController extends BasicController {

    public static final String CANCEL_CONTROL = "cayenne.modeler.queryType.cancel.button";
    public static final String CREATE_CONTROL = "cayenne.modeler.queryType.create.button";
    public static final String OBJECT_QUERY_CONTROL = "cayenne.modeler.queryType.selectQuery.radio";
    public static final String SQL_QUERY_CONTROL = "cayenne.modeler.queryType.sqlQuery.radio";
    public static final String PROCEDURE_QUERY_CONTROL = "cayenne.modeler.queryType.procedureQuery.radio";

    protected ProjectController mediator;
    protected DataMap dataMap;
    protected DataDomain domain;
    protected Query query;

    public QueryTypeController(ProjectController mediator) {
        this.mediator = mediator;
        this.dataMap = mediator.getCurrentDataMap();
        this.domain = mediator.getCurrentDataDomain();
    }

    protected void doHandleControl(Control control) throws ControlException {
        if (control.matchesID(CANCEL_CONTROL)) {
            shutdown();
        }
        else if (control.matchesID(CREATE_CONTROL)) {
            createQuery();
        }
        else if (control.matchesID(OBJECT_QUERY_CONTROL)) {
            // do nothing... need to match control
        }
        else if (control.matchesID(SQL_QUERY_CONTROL)) {
            // do nothing... need to match control
        }
        else if (control.matchesID(PROCEDURE_QUERY_CONTROL)) {
            // do nothing... need to match control
        }
    }

    /**
     * Creates and runs QueryTypeDialog.
     */
    public void startup() {
        setModel(new QueryTypeModel(mediator.getCurrentDataMap()));
        setView(new QueryTypeDialog());
        showView();
    }

    /**
     * Action method that creates a query for the specified query type.
     */
    public void createQuery() {
        QueryTypeModel model = (QueryTypeModel) getModel();
        AbstractQuery query = model.getSelectedQuery();
        if (query == null) {
            // wha?
            return;
        }

        // update query...
        String queryName = NamedObjectFactory.createName(Query.class, dataMap);
        query.setName(queryName);
        dataMap.addQuery(query);

        // notify listeners
        mediator.fireQueryEvent(new QueryEvent(this, query, MapEvent.ADD));
        mediator
                .fireQueryDisplayEvent(new QueryDisplayEvent(this, query, dataMap, domain));
        shutdown();
    }
}
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