GoToAction.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.framework.internal;

import java.util.ArrayList;
import java.util.Collection;
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.chooser.NodeChooserDialog;
import org.eclipse.persistence.tools.workbench.uitools.app.TreeNodeValueModel;


/**
 * allow the user to quickly find a node in the navigator
 */
final class GoToAction
    extends AbstractFrameworkAction
{

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

    protected void initialize() {
        super.initialize();
        this.setIcon(EMPTY_ICON);
        this.initializeTextAndMnemonic("GO_TO");
        this.initializeAccelerator("GO_TO.ACCELERATOR");
    }

    protected void execute() {
        NodeChooserDialog dialog = NodeChooserDialog.createDialog(this.xxx(), this.getWorkbenchContext());
        dialog.show();
        if (dialog.wasConfirmed()) {
            this.navigatorSelectionModel().setSelectedNode(dialog.selection());
        }
    }

    private ApplicationNode[] xxx() {
        TreeNodeValueModel root = this.nodeManager().getRootNode();
        Collection nodes = new ArrayList(1000);
        this.addChildrenTo(root, nodes);
        return (ApplicationNode[]) nodes.toArray(new ApplicationNode[nodes.size()]);
    }

    private void addChildrenTo(TreeNodeValueModel node, Collection nodes) {
        for (Iterator stream = (Iterator) node.getChildrenModel().getValue(); stream.hasNext(); ) {
            TreeNodeValueModel child = (TreeNodeValueModel) stream.next();
            nodes.add(child);
            this.addChildrenTo(child, nodes);        // recurse
        }
    }

}