eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/e4/handler/MoveTaxonNodeHandlerE4.java

   1 /**
   2  * Copyright (C) 2015 EDIT
   3  * European Distributed Institute of Taxonomy
   4  * http://www.e-taxonomy.eu
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version 1.1
   7  * See LICENSE.TXT at the top of this package for the full license terms.
   8  */
   9 package eu.etaxonomy.taxeditor.navigation.navigator.e4.handler;
  10
  11 import java.util.HashSet;
  12 import java.util.Iterator;
  13 import java.util.Set;
  14 import java.util.UUID;
  15
  16 import javax.inject.Named;
  17
  18 import org.eclipse.core.commands.operations.AbstractOperation;
  19 import org.eclipse.core.runtime.IStatus;
  20 import org.eclipse.core.runtime.Status;
  21 import org.eclipse.e4.core.di.annotations.CanExecute;
  22 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  23 import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
  24 import org.eclipse.e4.ui.services.IServiceConstants;
  25 import org.eclipse.jface.dialogs.MessageDialog;
  26 import org.eclipse.jface.viewers.IStructuredSelection;
  27 import org.eclipse.jface.viewers.TreeSelection;
  28 import org.eclipse.swt.widgets.Shell;
  29
  30 import eu.etaxonomy.cdm.model.metadata.SecReferenceHandlingEnum;
  31 import eu.etaxonomy.cdm.model.reference.Reference;
  32 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  33 import eu.etaxonomy.cdm.persistence.dto.TaxonNodeDto;
  34 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  35 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  36 import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
  37 import eu.etaxonomy.taxeditor.navigation.l10n.Messages;
  38 import eu.etaxonomy.taxeditor.navigation.navigator.TaxonNavigatorLabels;
  39 import eu.etaxonomy.taxeditor.navigation.navigator.e4.TreeNodeDropAdapterE4.MovingType;
  40 import eu.etaxonomy.taxeditor.navigation.navigator.operation.MoveTaxonOperation;
  41 import eu.etaxonomy.taxeditor.operation.e4.CdmHandlerE4;
  42 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  43 import eu.etaxonomy.taxeditor.ui.dialog.selection.ReferenceSelectionDialog;
  44 import eu.etaxonomy.taxeditor.ui.dialog.selection.TaxonNodeSelectionDialog;
  45
  46 /**
  47  * @author cmathew
  48  * @date 19 Jun 2015
  49  */
  50 public class MoveTaxonNodeHandlerE4 extends CdmHandlerE4 {
  51
  52     private Set<UUID> oldTaxonNodeUUIDs = new HashSet<>();
  53     private UUID classificationUuid = null;
  54     boolean isPublish = true;
  55     SecReferenceHandlingEnum secHandling;
  56     UUID newSecUuid;
  57     private Set<UUID> oldTaxonSecUUIDs = new HashSet<>();
  58
  59     public MoveTaxonNodeHandlerE4() {
  60         super(TaxonNavigatorLabels.MOVE_TAXON_LABEL);
  61     }
  62
  63     @Override
  64     public IStatus allowOperations(IStructuredSelection selection,
  65             Shell shell,
  66             MPart activePart,
  67             MHandledMenuItem menuItem) {
  68         // check for no taxon tree node selected
  69         if(selection.size() == 0) {
  70             return new Status(IStatus.ERROR,
  71                     "unknown", //$NON-NLS-1$
  72                     TaxonNavigatorLabels.NO_TAXON_SELECTION_MESSAGE);
  73         }
  74         // check that selected object is a taxon node
  75
  76         Object obj ;
  77         Iterator<?> iter = selection.iterator();
  78         oldTaxonNodeUUIDs = new HashSet<>();
  79         isPublish = true;
  80         while (iter.hasNext()){
  81             obj = iter.next();
  82             if(obj instanceof TaxonNodeDto) {
  83                 oldTaxonNodeUUIDs.add(((TaxonNodeDto)obj).getUuid());
  84                 oldTaxonSecUUIDs.add(((TaxonNodeDto)obj).getSecUuid());
  85                 isPublish &= ((TaxonNodeDto)obj).isPublish();
  86                 if (classificationUuid == null){
  87                     classificationUuid = ((TaxonNodeDto)obj).getClassificationUUID();
  88                 }
  89             } else {
  90                 return new Status(IStatus.ERROR,
  91                         "unknown", //$NON-NLS-1$
  92                         TaxonNavigatorLabels.SELECTED_OBJECT_NOT_TREE_NODE_MESSAGE);
  93             }
  94         }
  95         return Status.OK_STATUS;
  96     }
  97
  98     @Override
  99     public AbstractOperation prepareOperation(IStructuredSelection selection,
 100             Shell shell,
 101             MPart activePart,
 102             MHandledMenuItem menuItem) {
 103         TaxonNode parentTaxonNode;
 104         MovingType moveToNewParent = MovingType.CHILD;
 105
 106         if (PreferencesUtil.isNodesSortedNaturally()){
 107             parentTaxonNode = TaxonNodeSelectionDialog.select(shell,
 108                     Messages.RemotingMoveTaxonNodeHandler_CHOOSE_TAXON,
 109                     oldTaxonNodeUUIDs,
 110                     null,
 111                     classificationUuid, true);
 112             String[] buttonLables = {Messages.RemotingMoveTaxonNodeHandler_CHILD, Messages.RemotingMoveTaxonNodeHandler_BEHIND,Messages.RemotingMoveTaxonNodeHandler_CANCEL};
 113             MessageDialog dialog = new MessageDialog(null, Messages.RemotingMoveTaxonNodeHandler_TARGET_NODE, null, Messages.RemotingMoveTaxonNodeHandler_TARGET_NODE_MESSAGE, MessageDialog.QUESTION_WITH_CANCEL, buttonLables, 0);
 114             dialog.open();
 115             int returnCode = dialog.getReturnCode();
 116             if (returnCode == 0){
 117                 moveToNewParent = MovingType.CHILD;
 118             } else if (returnCode == 1){
 119                 moveToNewParent = MovingType.BEHIND;
 120             }
 121         } else {
 122             parentTaxonNode = TaxonNodeSelectionDialog.select(shell,
 123                     Messages.RemotingMoveTaxonNodeHandler_CHOOSE_PARENT,
 124                     oldTaxonNodeUUIDs,
 125                     null,
 126                     classificationUuid, true);
 127         }
 128         if (parentTaxonNode == null){
 129             return null;
 130         }
 131
 132         if (parentTaxonNode.getTaxon() != null && parentTaxonNode.getTaxon().isPublish() != isPublish){
 133             MessageDialog.openWarning(shell,
 134                     Messages.RemotingMoveTaxonNodeHandler_DIFFERENT_PUBLISH_TITLE,
 135                     Messages.RemotingMoveTaxonNodeHandler_DIFFERENT_PUBLISH_MESSAGE);
 136         }
 137
 138         secHandling = PreferencesUtil.getSecReferenceHandlingPreference();
 139         newSecUuid = null;
 140         UUID parentTaxonSecUuid= parentTaxonNode.getTaxon() != null && parentTaxonNode.getTaxon().getSec() != null ? parentTaxonNode.getTaxon().getSec().getUuid(): null;
 141         if ( secHandling.equals(SecReferenceHandlingEnum.AlwaysSelect) || (oldTaxonSecUUIDs.size() > 1 && secHandling.equals(SecReferenceHandlingEnum.KeepOrSelect) || secHandling.equals(SecReferenceHandlingEnum.KeepOrWarn) ) || (oldTaxonSecUUIDs.size() == 1 && (secHandling.equals(SecReferenceHandlingEnum.KeepOrWarn) ||secHandling.equals(SecReferenceHandlingEnum.KeepOrSelect)) && !oldTaxonSecUUIDs.contains(parentTaxonSecUuid))){
 142             //The moved nodes have different secundum references
 143             String message = null;
 144             String[] options = null;
 145             if (secHandling.equals(SecReferenceHandlingEnum.AlwaysSelect) && (parentTaxonSecUuid != null && oldTaxonSecUUIDs.contains(parentTaxonSecUuid))){
 146                 message = Messages.TreeNodeDropAdapter_Select_Sec_Reference_Handling_message_always_select;
 147                 options = new String[]{Messages.RemotingChangeAcceptedTaxonToSynonymHandler_Select_Sec_Reference_Keep, Messages.RemotingChangeAcceptedTaxonToSynonymHandler_Select_Sec_Reference_Select};
 148             }else {
 149                 message = Messages.TreeNodeDropAdapter_Select_Sec_Reference_Handling_message;
 150                 options = new String[]{Messages.RemotingChangeAcceptedTaxonToSynonymHandler_Select_Sec_Reference_Keep,  Messages.RemotingChangeAcceptedTaxonToSynonymHandler_Select_Sec_Reference_Select, Messages.TreeNodeDropAdapter_Select_Sec_Reference_Parent, };
 151             }
 152             int result = 0;
 153             if (secHandling.equals(SecReferenceHandlingEnum.KeepOrWarn) ){
 154                 MessageDialog.openWarning(null, "Secundum references differ", Messages.MoveTaxon_Different_Secundum_References);
 155             }else{
 156                 result = MessagingUtils.confirmDialog(Messages.RemotingChangeAcceptedTaxonToSynonymHandler_Select_Sec_Reference_Handling_title, message, options);
 157             }
 158
 159
 160 //            int result = MessagingUtils.confirmDialog(Messages.RemotingChangeAcceptedTaxonToSynonymHandler_Select_Sec_Reference_Handling_title, Messages.RemotingChangeAcceptedTaxonToSynonymHandler_Select_Sec_Reference_Handling_message,
 161 //                    new String[]{Messages.RemotingChangeAcceptedTaxonToSynonymHandler_Select_Sec_Reference_Keep, Messages.RemotingChangeAcceptedTaxonToSynonymHandler_Select_Sec_Reference_Parent, Messages.RemotingChangeAcceptedTaxonToSynonymHandler_Select_Sec_Reference_Select});
 162             if (result == 1){
 163                 //select new reference
 164                 Reference sec = ReferenceSelectionDialog.select(AbstractUtility.getShell(), null);
 165                 newSecUuid = sec != null? sec.getUuid(): null;
 166             }else if (result == 2){
 167                 //use parent sec
 168                 secHandling = SecReferenceHandlingEnum.UseNewParentSec;
 169                 newSecUuid = parentTaxonSecUuid;
 170             }else if (result == 0){
 171                 //keep sec (also homotypic synonyms with different sec will keep the secundum)
 172                 secHandling = SecReferenceHandlingEnum.KeepOrWarn;
 173             }else{
 174                 return null;
 175             }
 176         }
 177
 178         if(parentTaxonNode != null){
 179             if(NavigationUtil.isDirty(parentTaxonNode, partService)){
 180                 MessageDialog.openWarning(shell,
 181                         Messages.RemotingMoveTaxonNodeHandler_UNSAVED_PARENT,
 182                         Messages.RemotingMoveTaxonNodeHandler_UNSAVED_PARENT_MESSAGE);
 183                 return null;
 184             }
 185
 186             return new MoveTaxonOperation(getTrigger(),
 187                     false,
 188                     oldTaxonNodeUUIDs,
 189                     parentTaxonNode.getUuid(),
 190                     moveToNewParent,
 191                     secHandling,
 192                     newSecUuid);
 193         }
 194
 195         return null;
 196     }
 197
 198     @CanExecute
 199     private boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection, MHandledMenuItem menuItem){
 200         boolean canExecute = false;
 201         canExecute = selection.getFirstElement() instanceof TaxonNodeDto
 202                 && ((TaxonNodeDto)selection.getFirstElement()).getTaxonUuid() != null;
 203         menuItem.setVisible(canExecute);
 204         return canExecute;
 205     }
 206
 207     @Override
 208     public void onComplete() {
 209     }
 210
 211     @Override
 212     protected Object getTrigger() {
 213         return this;
 214     }
 215 }