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svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.app / org.gvsig.app.mainplugin / src / main / java / org / gvsig / app / project / documents / view / toc / actions / PasteLayersTocMenuEntry.java @ 40558

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/**
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 * gvSIG. Desktop Geographic Information System.
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 *
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 * Copyright (C) 2007-2013 gvSIG Association.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 3
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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 * MA  02110-1301, USA.
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 *
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 * For any additional information, do not hesitate to contact us
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 * at info AT gvsig.com, or visit our website www.gvsig.com.
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 */
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package org.gvsig.app.project.documents.view.toc.actions;
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import java.awt.Component;
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import javax.swing.JOptionPane;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.gvsig.andami.PluginServices;
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import org.gvsig.app.ApplicationLocator;
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import org.gvsig.app.extension.ProjectExtension;
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import org.gvsig.app.project.Project;
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import org.gvsig.app.project.documents.view.toc.AbstractTocContextMenuAction;
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import org.gvsig.app.project.documents.view.toc.ITocItem;
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import org.gvsig.fmap.mapcontext.layers.FLayer;
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import org.gvsig.fmap.mapcontext.layers.FLayers;
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import org.gvsig.i18n.Messages;
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import org.gvsig.tools.persistence.exception.PersistenceException;
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public class PasteLayersTocMenuEntry extends AbstractTocContextMenuAction {
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    private static Logger logger =
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        LoggerFactory.getLogger(PasteLayersTocMenuEntry.class);
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        public String getGroup() {
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                return "copyPasteLayer";
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        }
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        public int getGroupOrder() {
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                return 60;
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        }
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        public int getOrder() {
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                return 2;
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        }
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        public String getText() {
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                return PluginServices.getText(this, "pegar");
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        }
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        public boolean isEnabled(ITocItem item, FLayer[] selectedItems) {
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                if (isTocItemBranch(item)) {
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                        FLayer lyr = getNodeLayer(item);
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                        if (lyr instanceof FLayers) {
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                            FLayers aux = this.getFLayersFromClipboard();
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                                return aux != null;
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                        }
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                } else if (!isTocItemLeaf(item)) {
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                        if (getNodeLayer(item) == null) {
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                FLayers aux = this.getFLayersFromClipboard();
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                return aux != null;
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                        }
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                }
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                return false;
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        }
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        /**
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         * This method can return null (if content of clipboard not useful)
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         * 
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         * @return
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         */
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        private FLayers getFLayersFromClipboard() {
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                FLayers resp = null;
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        try {
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            resp = CopyPasteLayersUtils.getClipboardAsFLayers();
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            // resp can be null here if clipboard content not useful
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        } catch (PersistenceException e) {
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            ApplicationLocator.getManager().message(
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                Messages.getText("_Clipboard_error"),
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                JOptionPane.ERROR_MESSAGE);
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            resp = null;
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        }
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                return resp;
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        }
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        public void execute(ITocItem item, FLayer[] selectedItems) {
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                FLayers target_root;
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        FLayers clipboard_root = this.getFLayersFromClipboard();
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        if (clipboard_root == null) {
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            JOptionPane.showMessageDialog(
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                (Component)PluginServices.getMainFrame(),
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                Messages.getText("No_ha_sido_posible_realizar_la_operacion"),
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                Messages.getText("pegar"),
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                JOptionPane.ERROR_MESSAGE
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                );
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            logger.info("Unable to parse clipboard as flayers");
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            return;
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        }
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                if (isTocItemBranch(item)) {
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                    target_root = (FLayers)getNodeLayer(item);
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                } else if (getNodeLayer(item) == null){
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                    target_root = getMapContext().getLayers();
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                } else {
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                        return;
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                }
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                getMapContext().beginAtomicEvent();
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                boolean isOK = CopyPasteLayersUtils.addLayers(clipboard_root, target_root);
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                getMapContext().endAtomicEvent();
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                if (isOK) {
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                        getMapContext().invalidate();
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                        Project project=((ProjectExtension)PluginServices.getExtension(ProjectExtension.class)).getProject();
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                        project.setModified(true);
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                }
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        }
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}