Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

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

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.lang.reflect.Array;

import java.text.NumberFormat;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Comparator;

import java.util.Iterator;

import javax.swing.JMenuItem;

import javax.swing.JPopupMenu;

import javax.swing.tree.DefaultMutableTreeNode;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.app.project.documents.view.IContextMenuAction;

import org.gvsig.app.project.documents.view.toc.AbstractTocContextMenuAction;

import org.gvsig.app.project.documents.view.toc.ITocItem;

import org.gvsig.app.project.documents.view.toc.TocItemBranch;

import org.gvsig.app.project.documents.view.toc.actions.ChangeNameTocMenuEntry;

import org.gvsig.app.project.documents.view.toc.actions.ChangeSymbolTocMenuEntry;

import org.gvsig.app.project.documents.view.toc.actions.CopyLayersTocMenuEntry;

import org.gvsig.app.project.documents.view.toc.actions.CutLayersTocMenuEntry;

import org.gvsig.app.project.documents.view.toc.actions.EliminarCapaTocMenuEntry;

import org.gvsig.app.project.documents.view.toc.actions.FLyrVectEditPropertiesTocMenuEntry;

import org.gvsig.app.project.documents.view.toc.actions.FirstLayerTocMenuEntry;

import org.gvsig.app.project.documents.view.toc.actions.LayersGroupTocMenuEntry;

import org.gvsig.app.project.documents.view.toc.actions.LayersUngroupTocMenuEntry;

import org.gvsig.app.project.documents.view.toc.actions.OldTocContextMenuAction;

import org.gvsig.app.project.documents.view.toc.actions.PasteLayersTocMenuEntry;

import org.gvsig.app.project.documents.view.toc.actions.ReloadLayerTocMenuEntry;

import org.gvsig.app.project.documents.view.toc.actions.ShowLayerErrorsTocMenuEntry;

import org.gvsig.app.project.documents.view.toc.actions.ZoomAlTemaTocMenuEntry;

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPoint.Extension;

/**

 * Menu de bot?n derecho para el TOC.

 * Se pueden a?adir entradas facilmente desde una extensi?n,

 * creando una clase derivando de TocMenuEntry, y a?adiendola en

 * est?tico (o en tiempo de carga de la extensi?n) a FPopupMenu.

 * (Las entradas actuales est?n hechas de esa manera).

 * 

 * @author vcn To change the template for this generated type comment go to

 *         Window>Preferences>Java>Code Generation>Code and

 *         Comments

 */

public class FPopupMenu extends JPopupMenu {

    private static final long serialVersionUID = -7420923229618207434L;

    private DefaultMutableTreeNode nodo;

    protected MapContext mapContext;

    private ExtensionPoint extensionPoint;

    private FLayer[] selecteds;

    public static void registerExtensionPoint() {

        ExtensionPoint exPoint =

            ToolsLocator.getExtensionPointManager().add("View_TocActions", "");

        exPoint

            .append("FSymbolChangeColor", "", new ChangeSymbolTocMenuEntry());

        exPoint.append("ChangeName", "", new ChangeNameTocMenuEntry());

        exPoint.append("FLyrVectEditProperties", "",

            new FLyrVectEditPropertiesTocMenuEntry());

        exPoint.append("ZoomAlTema", "", new ZoomAlTemaTocMenuEntry());

        exPoint.append("EliminarCapa", "", new EliminarCapaTocMenuEntry());

        exPoint.append("VerErroresCapa", "", new ShowLayerErrorsTocMenuEntry());

        exPoint.append("ReloadLayer", "", new ReloadLayerTocMenuEntry());

        exPoint.append("LayersGroup", "", new LayersGroupTocMenuEntry());

        exPoint.append("LayersUngroup", "", new LayersUngroupTocMenuEntry());

        exPoint.append("FirstLayer", "", new FirstLayerTocMenuEntry());

        exPoint.append("Copy", "", new CopyLayersTocMenuEntry());

        exPoint.append("Cut", "", new CutLayersTocMenuEntry());

        exPoint.append("Paste", "", new PasteLayersTocMenuEntry());

    }

    /**

     * Creates a new FPopupMenu object.

     * 

     * @param nodo

     *            DOCUMENT ME!

     * @param vista

     *            DOCUMENT ME!

     */

    public FPopupMenu(MapContext mc, DefaultMutableTreeNode node) {

        super();

        this.initialize(mc, node);

    }

    private void initialize(MapContext mc, DefaultMutableTreeNode node) {

        this.mapContext = mc;

        this.nodo = node;

        this.extensionPoint =

            ToolsLocator.getExtensionPointManager().get("View_TocActions");

        this.selecteds = this.mapContext.getLayers().getActives();

        IContextMenuAction[] actions = this.getActionList();

        if (actions == null) {

            return;

        }

        this.createMenuElements(actions);

    }

    public MapContext getMapContext() {

        return mapContext;

    }

    public ITocItem getNodeUserObject() {

        if (nodo == null) {

            return null;

        }

        return (ITocItem) nodo.getUserObject();

    }

    public DefaultMutableTreeNode getNode() {

        return this.nodo;

    }

    private IContextMenuAction[] getActionList() {

        ArrayList<IContextMenuAction> actionArrayList =

            new ArrayList<IContextMenuAction>();

        @SuppressWarnings("unchecked")

        Iterator<Extension> iter = this.extensionPoint.iterator();

        IContextMenuAction action;

        boolean contains = false;

        ITocItem tocItem = this.getNodeUserObject();

        if (tocItem instanceof TocItemBranch) {

            for (int i = 0; i < this.selecteds.length; i++) {

                if (this.selecteds[i].equals(((TocItemBranch) tocItem)

                    .getLayer())) {

                    contains = true;

                    break;

                }

            }

        } else {

            contains = true;

        }

        if (contains) {

            while (iter.hasNext()) {

                action = null;

                try {

                    action = (IContextMenuAction) iter.next().create();

                } catch (Exception e) {

                    NotificationManager.addError(e);

                }

                if (action != null ) {

                        if( action instanceof AbstractTocContextMenuAction 

                                && !(action instanceof OldTocContextMenuAction)) {

                                ((AbstractTocContextMenuAction)action).setMapContext(this.mapContext);

                        }

                    if (action.isVisible(this.getNodeUserObject(),

                        this.selecteds)) {

                        actionArrayList.add(action);

                    }

                }

            }

            IContextMenuAction[] result =

                (IContextMenuAction[]) Array.newInstance(

                    IContextMenuAction.class, actionArrayList.size());

            System.arraycopy(actionArrayList.toArray(), 0, result, 0,

                actionArrayList.size());

            Arrays.sort(result, new CompareAction());

            return result;

        }

        return null;

    }

    public class CompareAction implements Comparator<IContextMenuAction> {

        public int compare(IContextMenuAction o1, IContextMenuAction o2) {

            // FIXME: flata formatear los enteros!!!!

            NumberFormat formater = NumberFormat.getInstance();

            formater.setMinimumIntegerDigits(3);

            String key1 =

                "" + formater.format(o1.getGroupOrder()) + o1.getGroup()

                    + formater.format(o1.getOrder());

            String key2 =

                "" + formater.format(o2.getGroupOrder()) + o2.getGroup()

                    + formater.format(o2.getOrder());

            return key1.compareTo(key2);

        }

    }

    private void createMenuElements(IContextMenuAction[] actions) {

        String group = null;

        for (int i = 0; i < actions.length; i++) {

            IContextMenuAction action = actions[i];

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

            item.setEnabled(action.isEnabled(this.getNodeUserObject(),

                this.selecteds));

            if( action.getGroup()!=null ) {

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

                        if (group != null) {

                            this.addSeparator();

                        }

                        group = action.getGroup();

                    }

            }

            this.add(item);

        }

    }

    public class MenuItem extends JMenuItem implements ActionListener {

        private static final long serialVersionUID = 6858724610206253411L;

        private IContextMenuAction action;

        public MenuItem(String text, IContextMenuAction documentAction) {

            super(text);

            this.action = documentAction;

            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(FPopupMenu.this.getNodeUserObject(),

                FPopupMenu.this.selecteds);

        }

    }

}