eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/e4/handler/SetSecReferenceForSubtreeHandlerE4.java

   1 /**
   2  * Copyright (C) 2017 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.Collection;
  12 import java.util.Iterator;
  13
  14 import javax.inject.Named;
  15
  16 import org.eclipse.core.commands.operations.AbstractOperation;
  17 import org.eclipse.core.runtime.IStatus;
  18 import org.eclipse.core.runtime.NullProgressMonitor;
  19 import org.eclipse.core.runtime.Status;
  20 import org.eclipse.e4.core.di.annotations.CanExecute;
  21 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  22 import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
  23 import org.eclipse.e4.ui.services.IServiceConstants;
  24 import org.eclipse.jface.dialogs.MessageDialog;
  25 import org.eclipse.jface.viewers.IStructuredSelection;
  26 import org.eclipse.jface.viewers.TreeSelection;
  27 import org.eclipse.jface.window.Window;
  28 import org.eclipse.jface.wizard.WizardDialog;
  29 import org.eclipse.swt.widgets.Shell;
  30
  31 import eu.etaxonomy.cdm.api.service.config.SecundumForSubtreeConfigurator;
  32 import eu.etaxonomy.cdm.model.taxon.Classification;
  33 import eu.etaxonomy.cdm.persistence.dto.TaxonNodeDto;
  34 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  35 import eu.etaxonomy.taxeditor.navigation.l10n.Messages;
  36 import eu.etaxonomy.taxeditor.navigation.navigator.TaxonNavigatorLabels;
  37 import eu.etaxonomy.taxeditor.navigation.navigator.operation.SetSecundumForSubtreeOperation;
  38 import eu.etaxonomy.taxeditor.operation.e4.RemotingCdmHandlerE4;
  39 import eu.etaxonomy.taxeditor.ui.dialog.configurator.SetSecundumForSubtreeConfigurationWizard;
  40 import eu.etaxonomy.taxeditor.workbench.part.IE4SavablePart;
  41
  42 /**
  43  * @author k.luther
  44  * @author pplitzner
  45  * @date 10.02.2017
  46  *
  47  */
  48 public class SetSecReferenceForSubtreeHandlerE4 extends RemotingCdmHandlerE4 {
  49
  50     private TaxonNodeDto taxonNode;
  51     private SecundumForSubtreeConfigurator configurator;
  52
  53     public SetSecReferenceForSubtreeHandlerE4() {
  54         super(TaxonNavigatorLabels.CHANGE_SECUNDUM_FOR_SUBTREE);
  55     }
  56
  57     @Override
  58     public IStatus allowOperations(IStructuredSelection selection,
  59             Shell shell,
  60             MPart activePart,
  61             MHandledMenuItem menuItem) {
  62         // check that only a single taxon tree node has been selected
  63         if(selection.size() > 1) {  }
  64
  65         // check for no taxon tree node selected
  66         if(selection.size() == 0) {
  67             return new Status(IStatus.ERROR,
  68                     "unknown", //$NON-NLS-1$
  69                     TaxonNavigatorLabels.NO_TAXON_SELECTION_MESSAGE);
  70         }
  71
  72         // check that selected object is a taxon node
  73         Object obj = selection.iterator().next();
  74         if(obj instanceof TaxonNodeDto) {
  75             if(obj instanceof Classification){
  76                 taxonNode = new TaxonNodeDto(((Classification)obj).getRootNode());
  77             }else{
  78                 taxonNode = (TaxonNodeDto)obj;
  79             }
  80         } else{
  81             return new Status(IStatus.ERROR,
  82                     "unknown", //$NON-NLS-1$
  83                     TaxonNavigatorLabels.SELECTED_OBJECT_NOT_TREE_NODE_MESSAGE);
  84         }
  85         Collection<IE4SavablePart> dirtyParts = EditorUtil.checkForTaxonChanges(null, partService);
  86
  87         if (dirtyParts != null && !dirtyParts.isEmpty()){
  88             String[] buttonLables = {Messages.YES, Messages.NO,Messages.TreeNodeDropAdapter_CANCEL};
  89             MessageDialog dialog = new MessageDialog(null,  Messages.SetPublishFlagForSubtreeHandlerE4_UnsavedChanges, null, Messages.SetPublishFlagForSubtreeHandlerE4_UnsavedChangesQuestion, MessageDialog.QUESTION_WITH_CANCEL, buttonLables, 0);
  90             dialog.open();
  91             int returnCode = dialog.getReturnCode();
  92             boolean proceed = false;
  93             if (returnCode == 0){
  94                 proceed = true;
  95             }else if (returnCode == 2){
  96                 return Status.CANCEL_STATUS;
  97             }
  98
  99             Iterator<IE4SavablePart> partIterator = dirtyParts.iterator();
 100             while( partIterator.hasNext() ){
 101                 IE4SavablePart part = partIterator.next();
 102                 if (proceed) {
 103                     if (part != null){
 104                         part.save(new NullProgressMonitor());
 105                     }
 106                 }
 107             }
 108         }
 109
 110         configurator = new SecundumForSubtreeConfigurator(taxonNode.getUuid());
 111         SetSecundumForSubtreeConfigurationWizard wizard = new SetSecundumForSubtreeConfigurationWizard(configurator);
 112
 113         WizardDialog dialog = new WizardDialog(shell, wizard);
 114
 115         if (dialog.open() == Window.OK) {
 116             return Status.OK_STATUS;
 117         }else{
 118             return Status.CANCEL_STATUS;
 119         }
 120     }
 121
 122     @CanExecute
 123     private boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)TreeSelection selection, MHandledMenuItem menuItem){
 124         boolean canExecute = false;
 125         canExecute = selection.size()==1
 126                 && selection.getFirstElement() instanceof TaxonNodeDto;
 127         menuItem.setVisible(canExecute);
 128         return canExecute;
 129     }
 130
 131     @Override
 132     public AbstractOperation prepareOperation(IStructuredSelection selection,
 133             Shell shell,
 134             MPart activePart,
 135             MHandledMenuItem menuItem) {
 136         SetSecundumForSubtreeOperation operation =
 137                 new SetSecundumForSubtreeOperation(getTrigger(),
 138                         true,
 139                         taxonNode.getUuid(),
 140                         partService, activePart, application, modelService,
 141                         configurator);
 142
 143         return operation;
 144     }
 145
 146     @Override
 147     public void onComplete() {
 148     }
 149
 150     /**
 151      * {@inheritDoc}
 152      */
 153     @Override
 154     protected Object getTrigger() {
 155         return this;
 156     }
 157
 158 }