| gvSIG desktop 1

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.MapContext;

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;

                        //                        }

                        return this.xml != null; // Podemos hacer paste en cualquier sitio y nos preguntar? si queremos meter la capa en ese sitio

                } 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;

                //                System.out.println(sourceString);

                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;

                FLayer lyrOn = getNodeLayer(item);

                if (isTocItemBranch(item)) {

                        MapContext mapContext = getMapContext();

                        mapContext.beginAtomicEvent();

                        FLayers all = lyrOn.getParentLayer();

                        CopyPasteLayersUtiles.getInstance().loadLayersFromXML(xml, all);

                        int position = getPosition(all, lyrOn);

                        all.moveTo(0, position);

                        mapContext.endAtomicEvent();

                        mapContext.invalidate();

                } else if (lyrOn == null) {

                        root = getMapContext().getLayers();

                        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);

                        }

                }

        }

        private int getPosition(FLayers layerGroup, FLayer lyrSelected){

                int pos = -1;

                for (int j=0; j < layerGroup.getLayersCount(); j++) {

                        if (layerGroup.getLayer(j).getName().equalsIgnoreCase(lyrSelected.getName())) {

                                pos = j;

                                break;

                        }

                }

                int offset = 2;

                return layerGroup.getLayersCount() - offset - pos;

        }

}