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// $Id$
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/**
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* Copyright (C) 2017 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.editor.workingSet;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import javax.annotation.PostConstruct;
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import javax.annotation.PreDestroy;
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import javax.inject.Inject;
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import org.eclipse.e4.ui.di.Focus;
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import org.eclipse.e4.ui.di.Persist;
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import org.eclipse.e4.ui.model.application.ui.MDirtyable;
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import org.eclipse.e4.ui.services.EMenuService;
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import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.ISelectionChangedListener;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.SelectionChangedEvent;
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import org.eclipse.jface.viewers.TreeSelection;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.custom.SashForm;
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import org.eclipse.swt.events.ModifyEvent;
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import org.eclipse.swt.events.ModifyListener;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.layout.GridData;
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import org.eclipse.swt.layout.GridLayout;
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import org.eclipse.swt.widgets.Button;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Display;
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import org.eclipse.ui.forms.widgets.FormToolkit;
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import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
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import eu.etaxonomy.cdm.api.service.IFeatureNodeService;
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import eu.etaxonomy.cdm.api.service.IFeatureTreeService;
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import eu.etaxonomy.cdm.api.service.ITermService;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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import eu.etaxonomy.cdm.model.description.Character;
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import eu.etaxonomy.cdm.model.description.FeatureNode;
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import eu.etaxonomy.cdm.model.description.FeatureTree;
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import eu.etaxonomy.taxeditor.featuretree.e4.FeatureNodeDragListener;
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import eu.etaxonomy.taxeditor.featuretree.e4.FeatureNodeDropAdapter;
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import eu.etaxonomy.taxeditor.featuretree.e4.FeatureTreeEditorComposite;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.session.ICdmEntitySession;
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import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.ui.dialog.selection.FeatureTreeSelectionDialog;
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import eu.etaxonomy.taxeditor.workbench.part.IE4ViewerPart;
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/**
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* @author pplitzner
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* @date 24.05.2017
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*
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*/
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public class CharacterEditor
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implements ICdmEntitySessionEnabled, ISelectionChangedListener, ModifyListener, IE4ViewerPart{
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private FeatureTreeEditorComposite characterTreeEditorComposite;
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private FeatureTreeEditorComposite propertiesTreeEditorComposite;
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private FeatureTreeEditorComposite structuresTreeEditorComposite;
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private final FormToolkit formToolkit = new FormToolkit(Display.getDefault());
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private Button btnAddCharacter;
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@Inject
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private ESelectionService selService;
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@Inject
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private MDirtyable dirty;
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private ConversationHolder conversation;
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private ICdmEntitySession cdmEntitySession;
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private Composite composite;
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public CharacterEditor() {
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}
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/**
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* Create contents of the view part.
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*/
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@PostConstruct
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public void createControls(Composite parent, EMenuService menuService ) {
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if (CdmStore.isActive()){
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if(conversation == null){
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conversation = CdmStore.createConversation();
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}
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if(cdmEntitySession!=null){
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cdmEntitySession = CdmStore.getCurrentSessionManager().newSession(this, true);
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}
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}
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else{
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return;
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}
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parent.setLayout(new GridLayout(1, false));
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SashForm sashForm = new SashForm(parent, SWT.NONE);
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sashForm.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
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formToolkit.adapt(sashForm);
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formToolkit.paintBordersFor(sashForm);
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composite = new Composite(sashForm, SWT.NONE);
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formToolkit.adapt(composite);
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formToolkit.paintBordersFor(composite);
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GridLayout gl_composite = new GridLayout(1, false);
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gl_composite.marginWidth = 0;
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composite.setLayout(gl_composite);
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structuresTreeEditorComposite = addFeatureTreeEditor(composite);
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initFeatureTreeComposite(structuresTreeEditorComposite, null, null);
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structuresTreeEditorComposite.getLabel_title().setText("Structures");
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Composite composite_1 = new Composite(sashForm, SWT.NONE);
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formToolkit.adapt(composite_1);
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formToolkit.paintBordersFor(composite_1);
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GridLayout gl_composite_1 = new GridLayout(1, false);
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gl_composite_1.marginWidth = 0;
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composite_1.setLayout(gl_composite_1);
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propertiesTreeEditorComposite = addFeatureTreeEditor(composite_1);
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initFeatureTreeComposite(propertiesTreeEditorComposite, null, null);
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propertiesTreeEditorComposite.getLabel_title().setText("Properties");
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//TODO: fix drag and drop
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// initFeatureTreeComposite(treeViewerProperties, new CharacterDragListener(treeViewerStructures.getViewer(), treeViewerProperties.getViewer()), null);
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Composite composite_2 = new Composite(sashForm, SWT.NONE);
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formToolkit.adapt(composite_2);
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formToolkit.paintBordersFor(composite_2);
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GridLayout gl_composite_2 = new GridLayout(1, false);
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gl_composite_2.marginWidth = 0;
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composite_2.setLayout(gl_composite_2);
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btnAddCharacter = new Button(composite_2, SWT.NONE);
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btnAddCharacter.setText(">>");
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btnAddCharacter.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, true, 1, 1));
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formToolkit.adapt(btnAddCharacter, true, true);
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Composite composite_3 = new Composite(sashForm, SWT.NONE);
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formToolkit.adapt(composite_3);
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formToolkit.paintBordersFor(composite_3);
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GridLayout gl_composite_3 = new GridLayout(1, false);
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gl_composite_3.marginWidth = 0;
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composite_3.setLayout(gl_composite_3);
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characterTreeEditorComposite = addFeatureTreeEditor(composite_3);
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initFeatureTreeComposite(characterTreeEditorComposite, new FeatureNodeDragListener(characterTreeEditorComposite.getViewer()), new FeatureNodeDropAdapter(dirty, characterTreeEditorComposite.getViewer()));
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characterTreeEditorComposite.getLabel_title().setText("Characters");
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sashForm.setWeights(new int[] {9, 9, 1, 9});
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//add context menu to character viewer//create context menu
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menuService.registerContextMenu(characterTreeEditorComposite.getViewer().getControl(), "eu.etaxonomy.taxeditor.editor.popupmenu.characterEditor");
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init();
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}
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private FeatureTreeEditorComposite addFeatureTreeEditor(Composite composite_3) {
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FeatureTreeEditorComposite featureTreeEditorComposite = new FeatureTreeEditorComposite(composite_3, SWT.NONE);
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featureTreeEditorComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
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return featureTreeEditorComposite;
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}
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private void initFeatureTreeComposite(FeatureTreeEditorComposite featureTreeEditorComposite,
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FeatureNodeDragListener featureNodeDragListener, FeatureNodeDropAdapter featureNodeDropAdapter) {
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featureTreeEditorComposite.init(featureNodeDragListener, featureNodeDropAdapter, this,
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new FeatureTreeChooserListener(featureTreeEditorComposite));
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}
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@Focus
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public void focus(){
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if(characterTreeEditorComposite!=null){
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characterTreeEditorComposite.getViewer().getControl().setFocus();
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}
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if(conversation!=null && !conversation.isBound()){
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conversation.bind();
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}
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if(cdmEntitySession != null) {
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cdmEntitySession.bind();
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}
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}
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private void init(){
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btnAddCharacter.addSelectionListener(new SelectionAdapter() {
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/**
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* {@inheritDoc}
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*/
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@Override
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public void widgetSelected(SelectionEvent e) {
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ISelection structureTreeSelection = structuresTreeEditorComposite.getViewer().getSelection();
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ISelection propertyTreeSelection = propertiesTreeEditorComposite.getViewer().getSelection();
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if(structureTreeSelection==null || propertyTreeSelection==null || characterTreeEditorComposite.getFeatureTree()==null){
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MessagingUtils.warningDialog("Cannot perform action", CharacterEditor.this,
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"You have to select a structure, a property and a feature tree to perform this action.");
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return;
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}
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//get selected structures and properties
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Iterator<FeatureNode> structureIterator = ((TreeSelection)structureTreeSelection).iterator();
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//create all combinations of structures and properties
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while(structureIterator.hasNext()){
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FeatureNode structureNode = structureIterator.next();
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Iterator<FeatureNode> propertiesIterator = ((TreeSelection)propertyTreeSelection).iterator();
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while(propertiesIterator.hasNext()){
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FeatureNode propertyNode = propertiesIterator.next();
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//create new Character
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String label = structureNode.getFeature().generateTitle()+" "+propertyNode.getFeature().generateTitle();
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Character character = Character.NewInstance(structureNode, propertyNode, "", label, label);
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character = HibernateProxyHelper.deproxy(CdmStore.getService(ITermService.class).merge(character), Character.class);
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//add new Character to feature tree
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FeatureNode parent = ((FeatureTree) characterTreeEditorComposite.getViewer().getInput()).getRoot();
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CdmStore.getService(IFeatureNodeService.class).addChildFeatureNode(parent.getUuid(), character.getUuid());
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}
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}
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setDirty(true);
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characterTreeEditorComposite.getViewer().refresh();
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}
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});
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}
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@Persist
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public void save(){
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if (!conversation.isBound()) {
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conversation.bind();
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}
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// commit the conversation and start a new transaction immediately
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conversation.commit(true);
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CdmStore.getService(IFeatureTreeService.class).saveOrUpdate(characterTreeEditorComposite.getFeatureTree());
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this.setDirty(false);
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}
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@PreDestroy
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public void dispose(){
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if(conversation!=null){
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conversation.close();
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}
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if(cdmEntitySession != null) {
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cdmEntitySession.dispose();
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}
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}
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@Override
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public Map<Object, List<String>> getPropertyPathsMap() {
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List<String> propertyPaths = Arrays.asList(new String[] {
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"children", //$NON-NLS-1$
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"feature", //$NON-NLS-1$
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"featureTree", //$NON-NLS-1$
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});
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Map<Object, List<String>> propertyPathMap =
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new HashMap<Object, List<String>>();
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propertyPathMap.put(FeatureNode.class,propertyPaths);
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return propertyPathMap;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public List<FeatureTree> getRootEntities() {
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List<FeatureTree> root = new ArrayList<>();
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root.add(characterTreeEditorComposite.getFeatureTree());
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return root;
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}
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@Override
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public ICdmEntitySession getCdmEntitySession() {
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return cdmEntitySession;
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}
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@Focus
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public void setFocus() {
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if(conversation!=null && !conversation.isBound()){
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conversation.bind();
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void selectionChanged(SelectionChangedEvent event) {
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//propagate selection
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IStructuredSelection isel = (IStructuredSelection) event.getSelection();
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selService.setSelection((isel.size() == 1 ? isel.getFirstElement() : isel.toArray()));
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void modifyText(ModifyEvent e) {
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characterTreeEditorComposite.getFeatureTree().setTitleCache(characterTreeEditorComposite.getText_title().getText(), true);
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setDirty(true);
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}
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public void setDirty(boolean isDirty) {
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dirty.setDirty(isDirty);
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public IStructuredSelection getSelection() {
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return (IStructuredSelection) characterTreeEditorComposite.getViewer().getSelection();
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}
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@Override
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public void refresh(){
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structuresTreeEditorComposite.getViewer().refresh();
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propertiesTreeEditorComposite.getViewer().refresh();
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characterTreeEditorComposite.getViewer().refresh();
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}
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private class FeatureTreeChooserListener extends SelectionAdapter{
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FeatureTreeEditorComposite featureTreeEditorComposite;
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public FeatureTreeChooserListener(FeatureTreeEditorComposite featureTreeEditorComposite) {
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super();
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this.featureTreeEditorComposite = featureTreeEditorComposite;
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}
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@Override
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public void widgetSelected(SelectionEvent e) {
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FeatureTree tree = FeatureTreeSelectionDialog.select(featureTreeEditorComposite.getDisplay().getActiveShell(), conversation, null);
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if(tree!=null){
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featureTreeEditorComposite.setSelectedTree(tree, CharacterEditor.this);
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featureTreeEditorComposite.getText_title().setEnabled(false);
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}
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}
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}
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}
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