Application: gvSIG desktop

package com.iver.cit.gvsig.project.documents.view.toc.actions;

import org.exolab.castor.xml.MarshalException;

import org.exolab.castor.xml.ValidationException;

import com.iver.andami.PluginServices;

import com.iver.cit.gvsig.ProjectExtension;

import com.iver.cit.gvsig.fmap.layers.FLayer;

import com.iver.cit.gvsig.fmap.layers.FLayers;

import com.iver.cit.gvsig.project.Project;

import com.iver.cit.gvsig.project.documents.view.toc.AbstractTocContextMenuAction;

import com.iver.cit.gvsig.project.documents.view.toc.ITocItem;

import com.iver.utiles.XMLEntity;

public class PasteLayersTocMenuEntry extends AbstractTocContextMenuAction {

        private XMLEntity xml=null;

        private CopyPasteLayersUtiles utiles = CopyPasteLayersUtiles.getInstance();

        public String getGroup() {

                return "copyPasteLayer";

        }

        public int getGroupOrder() {

                return 60;

        }

        public int getOrder() {

                return 2;

        }

        public String getText() {

                return PluginServices.getText(this, "pegar");

        }

        public boolean isEnabled(ITocItem item, FLayer[] selectedItems) {

                if (isTocItemBranch(item)) {

                        FLayer lyr = getNodeLayer(item);

                        if (lyr instanceof FLayers) {

                                this.xml = this.getCheckedXMLFromClipboard();

                                return true;

                        }

                } else if (!isTocItemLeaf(item)) {

                        if (getNodeLayer(item) == null) {

                                this.xml = this.getCheckedXMLFromClipboard();

                                return this.xml != null;

                        }

                }

                return false;

        }

        private XMLEntity getCheckedXMLFromClipboard() {

                String sourceString = PluginServices.getFromClipboard();

                if (sourceString == null) return null;

                XMLEntity xml;

                try {

                        xml = XMLEntity.parse(sourceString);

                } catch (MarshalException e) {

                        return null;

                } catch (ValidationException e) {

                        return null;

                }

                if (!this.utiles.checkXMLRootNode(xml)) return null;

                if (xml.findChildren("type","layers") == null) return null;

                return  xml;

        }

        public void execute(ITocItem item, FLayer[] selectedItems) {

                FLayers root;

                if (this.xml == null) return;

                if (isTocItemBranch(item)) {

                        root = (FLayers)getNodeLayer(item);

                } else if (getNodeLayer(item) == null){

                        root = getMapContext().getLayers();

                } else {

                        return;

                }

                getMapContext().beginAtomicEvent();

                boolean isOK = this.utiles.loadLayersFromXML(this.xml,root);

                getMapContext().endAtomicEvent();

                if (isOK) {

                        getMapContext().invalidate();

                        Project project=((ProjectExtension)PluginServices.getExtension(ProjectExtension.class)).getProject();

                        project.setModified(true);

                }

        }

}