taxeditor-navigation/src/main/java/eu/etaxonomy/taxeditor/wizard/NewTaxonNodeWizard.java

   1 /**
   2  *
   3  */
   4 package eu.etaxonomy.taxeditor.wizard;
   5
   6 import org.eclipse.jface.viewers.IStructuredSelection;
   7 import org.eclipse.jface.viewers.StructuredSelection;
   8 import org.eclipse.jface.wizard.Wizard;
   9 import org.eclipse.ui.INewWizard;
  10 import org.eclipse.ui.IWorkbench;
  11
  12 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  13 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  14 import eu.etaxonomy.cdm.api.service.IClassificationService;
  15 import eu.etaxonomy.cdm.api.service.ITaxonNodeService;
  16 import eu.etaxonomy.cdm.model.common.CdmBase;
  17 import eu.etaxonomy.cdm.model.taxon.Classification;
  18 import eu.etaxonomy.cdm.model.taxon.ITreeNode;
  19 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  20 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
  21 import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
  22 import eu.etaxonomy.taxeditor.navigation.navigator.TaxonNavigator;
  23 import eu.etaxonomy.taxeditor.navigation.operation.CreateTaxonNode;
  24 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  25 import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
  26 import eu.etaxonomy.taxeditor.store.CdmStore;
  27
  28 /**
  29  * <p>NewTaxonNodeWizard class.</p>
  30  *
  31  * @author n.hoffmann
  32  * @created Sep 15, 2009
  33  * @version 1.0
  34  */
  35 public class NewTaxonNodeWizard extends Wizard implements INewWizard, IPostOperationEnabled, IConversationEnabled {
  36
  37         private NewTaxonNodeWizardPage page;
  38
  39         private IStructuredSelection selection;
  40
  41         private TaxonNode generatedTaxonNode;
  42
  43         private boolean openEmptyEditor = false;
  44
  45         private ConversationHolder conversation;
  46
  47         /**
  48          * <p>Constructor for NewTaxonNodeWizard.</p>
  49          */
  50         public NewTaxonNodeWizard() {
  51                 this.setWindowTitle("New Entity");
  52                 conversation = CdmStore.createConversation();
  53                 selection = getNavigatorSelection();
  54         }
  55
  56         /**
  57          * Retrieve the current selection from taxon navigator
  58          *
  59          * @return
  60          */
  61         private IStructuredSelection getNavigatorSelection() {
  62                 StructuredSelection selection = null;
  63                 TaxonNavigator navigator = NavigationUtil.getNavigator(false);
  64
  65                 if(navigator != null){
  66                         selection = (StructuredSelection) navigator.getCommonViewer().getSelection();
  67                 }
  68
  69                 return selection;
  70         }
  71
  72         private ITreeNode getSelectedTreeNode(){
  73                 if(selection != null){
  74                         Object selectedObject = selection.getFirstElement();
  75                         if(selectedObject instanceof ITreeNode){
  76                                 ITreeNode treeNode = (ITreeNode) selectedObject;
  77
  78                                 if(treeNode instanceof Classification){
  79                                         return CdmStore.getService(IClassificationService.class).load(treeNode.getUuid());
  80                                 }
  81                                 else if(treeNode instanceof TaxonNode){
  82                                         return CdmStore.getService(ITaxonNodeService.class).load(treeNode.getUuid());
  83                                 }
  84                         }
  85                 }
  86                 return null;
  87         }
  88
  89
  90         /** {@inheritDoc} */
  91         @Override
  92         public boolean performFinish() {
  93                 if(page.getTaxon() == null || page.getTaxon().getName().getFullTitleCache().length() == 0){
  94                         openEmptyEditor = true;
  95                 }else{
  96                         AbstractPostOperation operation = new CreateTaxonNode("Create Taxon",
  97                                         NavigationUtil.getUndoContext(), page.getParentTreeNode(), page.getTaxon(), this, this);
  98                         NavigationUtil.executeOperation(operation);
  99                 }
 100                 return true;
 101         }
 102
 103         /* (non-Javadoc)
 104          * @see org.eclipse.jface.wizard.Wizard#addPages()
 105          */
 106         /** {@inheritDoc} */
 107         @Override
 108         public void addPages() {
 109                 super.addPages();
 110
 111                 page = new NewTaxonNodeWizardPage(getConversationHolder(), getSelectedTreeNode());
 112
 113                 addPage(page);
 114         }
 115
 116         /** {@inheritDoc} */
 117         public void init(IWorkbench workbench, IStructuredSelection selection) {
 118                 // workbench is not used at the moment
 119                 this.selection = selection;
 120         }
 121
 122         /**
 123          * <p>openInEditor</p>
 124          *
 125          * @return a boolean.
 126          */
 127         public boolean openInEditor(){
 128                 return page.openInEditor();
 129         }
 130
 131         /**
 132          * <p>openEmpty</p>
 133          *
 134          * @return a boolean.
 135          */
 136         public boolean openEmpty(){
 137                 return openInEditor() && openEmptyEditor;
 138         }
 139
 140         /**
 141          * <p>getTaxonNode</p>
 142          *
 143          * @return a {@link eu.etaxonomy.cdm.model.taxon.TaxonNode} object.
 144          */
 145         public TaxonNode getTaxonNode(){
 146                 return generatedTaxonNode;
 147         }
 148
 149         /**
 150          * <p>getParent</p>
 151          *
 152          * @return a {@link eu.etaxonomy.cdm.model.taxon.ITreeNode} object.
 153          */
 154         public ITreeNode getParent(){
 155                 return page.getParentTreeNode();
 156         }
 157
 158         /* (non-Javadoc)
 159          * @see eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#postOperation(eu.etaxonomy.cdm.model.common.CdmBase)
 160          */
 161         /** {@inheritDoc} */
 162         public boolean postOperation(CdmBase objectAffectedByOperation) {
 163                 generatedTaxonNode = (TaxonNode) objectAffectedByOperation;
 164
 165                 NavigationUtil.selectInNavigator(generatedTaxonNode, generatedTaxonNode.getParent());
 166
 167                 return true;
 168         }
 169
 170         /**
 171          * <p>onComplete</p>
 172          *
 173          * @return a boolean.
 174          */
 175         public boolean onComplete() {
 176                 return true;
 177         }
 178
 179         /* (non-Javadoc)
 180          * @see eu.etaxonomy.cdm.persistence.hibernate.ICdmPostDataChangeObserver#update(eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap)
 181          */
 182         /** {@inheritDoc} */
 183         @Override
 184         public void update(CdmDataChangeMap changeEvents) {}
 185
 186         /* (non-Javadoc)
 187          * @see eu.etaxonomy.cdm.api.conversation.IConversationEnabled#getConversationHolder()
 188          */
 189         /** {@inheritDoc} */
 190         @Override
 191         public ConversationHolder getConversationHolder() {
 192                 return conversation;
 193         }
 194 }