AddDatabaseTypeAction.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.platformsplugin.ui.platform;

import java.awt.Cursor;
import java.util.Iterator;

import org.eclipse.persistence.tools.workbench.framework.action.AbstractFrameworkAction;
import org.eclipse.persistence.tools.workbench.framework.app.ApplicationNode;
import org.eclipse.persistence.tools.workbench.framework.context.WorkbenchContext;
import org.eclipse.persistence.tools.workbench.framework.ui.dialog.NewNameDialog;
import org.eclipse.persistence.tools.workbench.platformsmodel.DatabasePlatform;
import org.eclipse.persistence.tools.workbench.platformsmodel.DatabaseType;
import org.eclipse.persistence.tools.workbench.utility.iterators.TransformationIterator;


/**
 * add a type to the selected platforms
 */
final class AddDatabaseTypeAction extends AbstractFrameworkAction {

    public AddDatabaseTypeAction(WorkbenchContext context) {
        super(context);
    }

    protected void initialize() {
        this.initializeTextAndMnemonic("ADD_DATABASE_TYPE");
        // no accelerator
        this.initializeIcon("ADD_DATABASE_TYPE");
        this.initializeToolTipText("ADD_DATABASE_TYPE.TOOL_TIP");
    }

    protected void execute() {
        // turn off the "timer" because we are going to display a dialog
        this.currentWindow().setCursor(Cursor.getDefaultCursor());
        NewNameDialog.Builder builder = this.buildNewNameDialogBuilder();
        ApplicationNode[] nodes = this.selectedNodes();
        DatabasePlatformNode lastNode = null;
        DatabaseType lastType = null;
        for (int i = nodes.length; i-- > 0; ) {
            DatabasePlatformNode node = (DatabasePlatformNode) nodes[i];
            DatabaseType type = this.execute(node.getDatabasePlatform(), builder);
            if (type != null) {
                lastNode = node;
                lastType = type;
            }
        }
        // select the last node added
        if (lastNode != null) {
            lastNode.selectDescendantNodeForValue(lastType, this.navigatorSelectionModel());
        }
    }

    private NewNameDialog.Builder buildNewNameDialogBuilder() {
        // set the properties that stay the same for every node
        NewNameDialog.Builder builder = new NewNameDialog.Builder();
        builder.setTitle(this.resourceRepository().getString("ADD_DATABASE_TYPE_DIALOG_TITLE"));
        builder.setTextFieldDescription(this.resourceRepository().getString("ADD_DATABASE_TYPE_DIALOG_DESCRIPTION"));
        builder.setHelpTopicId("dialog.dbTypeAdd");
        builder.setComparisonIsCaseSensitive(true);
        return builder;
    }

    protected DatabaseType execute(DatabasePlatform dbPlatform, NewNameDialog.Builder builder) {
        builder.setExistingNames(this.existingTypeNames(dbPlatform));
        NewNameDialog dialog = builder.buildDialog(this.getWorkbenchContext());
        dialog.show();
        if (dialog.wasConfirmed()) {
            return dbPlatform.addDatabaseType(dialog.getNewName());
        }
        return null;
    }

    private Iterator existingTypeNames(DatabasePlatform platform) {
        return new TransformationIterator(platform.databaseTypes()) {
            protected Object transform(Object next) {
                return ((DatabaseType) next).getName();
            }
        };
    }

}