Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.app.project.documents.gui;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import javax.swing.JMenuItem;

import javax.swing.JPopupMenu;

import org.gvsig.app.project.ProjectManager;

import org.gvsig.app.project.documents.Document;

import org.gvsig.app.project.documents.DocumentAction;

import org.gvsig.app.project.documents.DocumentActionGroup;

public class DocumentContextMenu extends JPopupMenu {

    /**

         *

         */

    private static final long serialVersionUID = -8153469580038240864L;

    private Document item;

    private List<Document> seleteds;

    private List<DocumentAction> actions = null;

    public DocumentContextMenu(String doctype, Document document,

        Document[] seletedDocuments) {

        super();

        List<DocumentAction> allActions =

            ProjectManager.getInstance().getDocumentActions(doctype);

        List<DocumentAction> actions = new ArrayList<DocumentAction>();

        DocumentActionGroup group = null;

        this.item = document;

        this.seleteds = Arrays.asList(seletedDocuments);

        if (allActions != null) {

            for (DocumentAction action : allActions) {

                if (action.isVisible(document, this.seleteds)) {

                    actions.add(action);

                    // Create menu item

                    MenuItem item = new MenuItem(action.getTitle(), action);

                    item.setEnabled(action

                        .isAvailable(this.item, this.seleteds));

                    if (!action.getGroup().equals(group)) {

                        if (group != null) {

                            this.addSeparator();

                        }

                        group = action.getGroup();

                    }

                    this.add(item);

                }

            }

        }

        this.actions = actions;

    }

    public boolean hasActions() {

        return actions != null || actions.size() > 0;

    }

    private class MenuItem extends JMenuItem implements ActionListener {

        /**

                 *

                 */

        private static final long serialVersionUID = -752624469241001299L;

        private DocumentAction action;

        public MenuItem(String text, DocumentAction action) {

            super(text);

            this.action = action;

            String tip = this.action.getDescription();

            if (tip != null && tip.length() > 0) {

                this.setToolTipText(tip);

            }

            this.addActionListener(this);

        }

        public void actionPerformed(ActionEvent e) {

            this.action.execute(DocumentContextMenu.this.item,

                DocumentContextMenu.this.seleteds);

        }

    }

}