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/**
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* Copyright (C) 2015 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.navigation.key.polytomous.e4.handler;
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import java.util.Collection;
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import javax.inject.Named;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.core.runtime.Status;
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import org.eclipse.core.runtime.jobs.Job;
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import org.eclipse.e4.core.di.annotations.CanExecute;
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import org.eclipse.e4.core.di.annotations.Execute;
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import org.eclipse.e4.ui.model.application.MApplication;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.model.application.ui.basic.MPartStack;
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import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
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import org.eclipse.e4.ui.services.IServiceConstants;
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import org.eclipse.e4.ui.workbench.modeling.EModelService;
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import org.eclipse.e4.ui.workbench.modeling.EPartService;
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import org.eclipse.e4.ui.workbench.modeling.EPartService.PartState;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.swt.widgets.Display;
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import eu.etaxonomy.cdm.model.description.PolytomousKey;
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import eu.etaxonomy.taxeditor.editor.key.polytomous.PolytomousKeyEditorInput;
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import eu.etaxonomy.taxeditor.editor.key.polytomous.e4.PolytomousKeyListEditorE4;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.navigation.key.polytomous.PolytomousKeyViewLabels;
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import eu.etaxonomy.taxeditor.navigation.l10n.Messages;
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import eu.etaxonomy.taxeditor.workbench.WorkbenchUtility;
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/**
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* @author cmathew
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* @date 29 Jun 2015
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*
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*/
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public class RemotingEditPolytomousKeyNodesHandlerE4 {
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public static final String OPENING_POLYTOMOUS_KEYS = Messages.EditPolytomousKeyNodesHandler_OPEN_KEYS;
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@Execute
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public void execute(EModelService modelService, EPartService partService, MApplication application,
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@Named(IServiceConstants.ACTIVE_SELECTION)Object selection) {
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if(selection instanceof StructuredSelection){
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final StructuredSelection structuredSelection = (StructuredSelection) selection;
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Job job = new Job(OPENING_POLYTOMOUS_KEYS){
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@Override
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protected IStatus run(IProgressMonitor monitor) {
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monitor.beginTask(OPENING_POLYTOMOUS_KEYS, structuredSelection.size());
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for(final Object selectedObject : structuredSelection.toArray()){
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if(selectedObject instanceof PolytomousKey){
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Display.getDefault().asyncExec(new Runnable(){
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@Override
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public void run() {
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try {
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PolytomousKey key = (PolytomousKey) selectedObject;
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PolytomousKeyEditorInput input = PolytomousKeyEditorInput.NewInstance(key.getUuid());
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//check if editor already open
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Collection<MPart> parts = partService.getParts();
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MPart part = null;
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//check if part is already opened
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for (MPart mPart : parts) {
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if(mPart.getObject() instanceof PolytomousKeyListEditorE4
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&& ((PolytomousKeyListEditorE4) mPart.getObject()).getViewerInputKey().equals(input.getKey())){
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part = mPart;
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break;
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}
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}
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if(part==null){
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part = partService.createPart("eu.etaxonomy.taxeditor.editor.key.polytomous.e4.PolytomousKeyListEditorE4");
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MPartStack editorAreaPartStack = WorkbenchUtility.getEditorAreaPartStack(application, modelService);
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if(editorAreaPartStack!=null){
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editorAreaPartStack.getChildren().add(part);
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}
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part = partService.showPart(part, PartState.ACTIVATE);
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PolytomousKeyListEditorE4 editor = (PolytomousKeyListEditorE4) part.getObject();
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editor.init(input);
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}
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part = partService.showPart(part, PartState.ACTIVATE);
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} catch(Exception ex) {
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MessagingUtils.warningDialog(PolytomousKeyViewLabels.ERROR_OPENING_KEY_EDITOR_MESSAGE,
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RemotingEditPolytomousKeyNodesHandlerE4.this,
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ex.getLocalizedMessage());
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ex.printStackTrace();
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}
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}
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});
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monitor.worked(1);
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}
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}
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monitor.done();
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return Status.OK_STATUS;
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}
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};
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job.setPriority(Job.SHORT);
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job.schedule();
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}
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}
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@CanExecute
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public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION)Object selection,
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MHandledMenuItem menuItem){
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boolean canExecute = false;
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canExecute = ((IStructuredSelection)selection).getFirstElement() instanceof PolytomousKey;
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menuItem.setVisible(canExecute);
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return canExecute;
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}
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}
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