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/**
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 *
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 */
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package eu.etaxonomy.taxeditor.newWizard;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.UUID;
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import org.apache.commons.lang.StringUtils;
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import eu.etaxonomy.cdm.api.application.CdmApplicationState;
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import eu.etaxonomy.cdm.api.application.CdmChangeEvent;
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import eu.etaxonomy.cdm.api.application.CdmChangeEvent.Action;
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import eu.etaxonomy.cdm.api.service.IClassificationService;
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import eu.etaxonomy.cdm.api.service.ITaxonNodeService;
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import eu.etaxonomy.cdm.api.service.UpdateResult;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.reference.Reference;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.ui.section.classification.TaxonNodeWizardPage;
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/**
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 * <p>NewTaxonNodeWizard class.</p>
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 *
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 * @author n.hoffmann
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 * @created Sep 15, 2009
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 * @version 1.0
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 */
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public class NewTaxonNodeWizard extends AbstractNewEntityWizard<ITaxonTreeNode>{
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    private TaxonNodeWizardPage taxonNodePage;
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    private boolean openEmptyEditor;
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    private UUID generatedTaxonNodeUuid;
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    private IWizardPageListener wizardPageListener;
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    @Override
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    public void addPages() {
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        taxonNodePage = new TaxonNodeWizardPage(formFactory, getConversationHolder(), getEntity(), wizardPageListener);
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        addPage(taxonNodePage);
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    }
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    @Override
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    protected void saveEntity() {
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        if(taxonNodePage.getTaxon() == null || StringUtils.isEmpty(taxonNodePage.getTaxon().getName().getFullTitleCache())){
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            openEmptyEditor = true;
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        }else{
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            getConversationHolder().bind();
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            ITaxonTreeNode parent = getParentTreeNode();
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            Taxon taxon = taxonNodePage.getTaxon();
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            Reference sec = taxon.getSec();
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            taxon.setSec(null);
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            try{
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            	UpdateResult result = CdmStore.getService(ITaxonNodeService.class).createNewTaxonNode(parent.getUuid(), taxon, parent.getReference(), parent.getMicroReference());
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                //TaxonNode taxonNode = parent.addChildTaxon(taxon, parent.getReference(), parent.getMicroReference());
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              /*  if(CdmStore.getCurrentSessionManager().isRemoting()) {
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                    taxonNode = CdmStore.getService(ITaxonNodeService.class).merge(taxonNode);
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                } else {
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                    taxonNode = CdmStore.getService(ITaxonNodeService.class).save(taxonNode);
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                }*/
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            	generatedTaxonNodeUuid = result.getCdmEntity().getUuid();
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            	TaxonNode taxonNode = CdmStore.getService(ITaxonNodeService.class).load(generatedTaxonNodeUuid);
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            	taxonNode.getTaxon().setSec(sec);
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            	CdmStore.getService(ITaxonNodeService.class).merge(taxonNode, true);
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                Set<CdmBase> affectedObjects = new HashSet<CdmBase>();
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                if (result.getUpdatedObjects().iterator().hasNext()){
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                	TaxonNode parentNode = (TaxonNode)result.getUpdatedObjects().iterator().next();
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                	if(parentNode.getParent() == null) {
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                        affectedObjects.add(taxonNode.getClassification());
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                    }
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                	if(parentNode instanceof TaxonNode) {
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                        affectedObjects.add(parentNode);
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                    }
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                }
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                if(CdmStore.getCurrentSessionManager().isRemoting()) {
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                    CdmApplicationState.getCurrentDataChangeService()
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                        .fireChangeEvent(new CdmChangeEvent(Action.Create, affectedObjects, NewTaxonNodeWizard.class), true);
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                }
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            }catch(IllegalArgumentException e){
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                MessagingUtils.warningDialog("Taxon already exists in classfication", getClass(), e.getMessage());
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            }
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        }
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    }
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    @Override
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    protected ITaxonTreeNode createNewEntity() {
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        if(getSelection() != null){
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            Object selectedObject = getSelection().getFirstElement();
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            if(selectedObject instanceof ITaxonTreeNode){
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                ITaxonTreeNode treeNode = (ITaxonTreeNode) selectedObject;
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                if(treeNode instanceof Classification){
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                    return CdmStore.getService(IClassificationService.class).load(treeNode.getUuid());
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                }
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                else if(treeNode instanceof TaxonNode){
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                    return CdmStore.getService(ITaxonNodeService.class).load(treeNode.getUuid());
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                }
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            }
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        }
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        return null;
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    }
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    /**
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     * <p>openInEditor</p>
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     *
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     * @return a boolean.
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     */
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    public boolean openInEditor(){
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        return taxonNodePage.openInEditor();
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    }
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    /**
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     * <p>openEmpty</p>
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     *
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     * @return a boolean.
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     */
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    public boolean openEmpty(){
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        return openInEditor() && openEmptyEditor;
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    }
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    /**
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     * <p>getTaxonNode</p>
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     *
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     * @return a {@link eu.etaxonomy.cdm.model.taxon.TaxonNode} object.
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     */
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    public TaxonNode getTaxonNode(){
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        if(generatedTaxonNodeUuid != null){
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            return CdmStore.getService(ITaxonNodeService.class).load(generatedTaxonNodeUuid);
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        }
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        return null;
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    }
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    public ITaxonTreeNode getParentTreeNode(){
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        return taxonNodePage.getParentTreeNode();
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    }
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    @Override
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    protected String getEntityName() {
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        return "Taxon";
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    }
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    public void addWizardPageListener(IWizardPageListener wizardPageListener){
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        this.wizardPageListener = wizardPageListener;
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    }
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}
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