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OWL ontology editing infrastructure used by the Protege desktop application.
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package org.protege.editor.owl.ui.view;

import org.protege.editor.core.ui.list.MList;
import org.protege.editor.core.ui.list.MListItem;
import org.protege.editor.owl.model.classexpression.anonymouscls.AnonymousDefinedClassManager;
import org.protege.editor.owl.model.util.OWLEntityDeleter;
import org.protege.editor.owl.ui.renderer.OWLCellRenderer;
import org.semanticweb.owlapi.model.OWLClass;
import org.semanticweb.owlapi.model.OWLObject;
import org.semanticweb.owlapi.model.OWLOntology;

import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import java.awt.*;
import java.util.*;
import java.util.List;
/*
* Copyright (C) 2007, University of Manchester
*
*
*/

/**
 * Author: drummond

 * http://www.cs.man.ac.uk/~drummond/



 * The University Of Manchester

 * Bio Health Informatics Group

 * Date: Nov 24, 2008


 */
public class AnonymousClassesView extends AbstractActiveOntologyViewComponent implements Deleteable, Copyable {


    private MList list;

    private java.util.List listeners = new ArrayList<>();


    protected void initialiseOntologyView() throws Exception {
        setLayout(new BorderLayout());

        list = new MList();
        final MList.MListCellRenderer ren = (MList.MListCellRenderer) list.getCellRenderer();
        ren.setContentRenderer(new OWLCellRenderer(getOWLEditorKit(), true, true) {
            public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
                if (value instanceof AnonymousClassItem) {
                    value = ((AnonymousClassItem) value).getOWLClass();
                }
                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
            }
        });

        add(list, BorderLayout.CENTER);

        list.addListSelectionListener(event -> {
            for (ChangeListener l : new ArrayList<>(listeners)) {
                l.stateChanged(new ChangeEvent(AnonymousClassesView.this));
            }
            Object item = list.getSelectedValue();
            if (item != null) {
                getOWLEditorKit().getOWLWorkspace().getOWLSelectionModel().setSelectedEntity(((AnonymousClassItem) item).getOWLClass());
            }
        });
    }

    protected void disposeOntologyView() {
        // do nothing
    }


    protected void updateView(OWLOntology activeOntology) throws Exception {
        Set clses = new HashSet<>();
        AnonymousDefinedClassManager ADCManager = getOWLModelManager().get(AnonymousDefinedClassManager.ID);
        if (ADCManager != null){
            for (OWLClass cls : activeOntology.getClassesInSignature()){
                if (ADCManager.isAnonymous(cls)){
                    clses.add(new AnonymousClassItem(cls));
                }
            }
        }
        list.setListData(clses.toArray());
    }


    public boolean canDelete() {
        return list.getSelectedIndex() >= 0;
    }


    public void handleDelete() {
        Set classes = new HashSet<>();
        for (Object clsItem : list.getSelectedValuesList()){
            classes.add(((AnonymousClassItem)clsItem).getOWLClass());
        }
        OWLEntityDeleter.deleteEntities(classes, getOWLModelManager());
    }


    public boolean canCopy() {
        return list.getSelectedIndex() >= 0;
    }


    public java.util.List getObjectsToCopy() {
        List sel = new ArrayList<>();
for (Object clsItem : list.getSelectedValuesList()){
            sel.add(((AnonymousClassItem)clsItem).getOWLClass());
        }
        return sel;
    }


    public void addChangeListener(ChangeListener listener) {
        listeners.add(listener);
    }


    public void removeChangeListener(ChangeListener listener) {
        listeners.remove(listener);
    }


    private class AnonymousClassItem implements MListItem {

        private OWLClass cls;


        public AnonymousClassItem(OWLClass cls) {
            this.cls = cls;
        }


        public boolean isEditable() {
            return false;
        }


        public void handleEdit() {
            // do nothing
        }


        public boolean isDeleteable() {
            return true;
        }


        public boolean handleDelete() {
            OWLEntityDeleter.deleteEntities(Collections.singleton(cls), getOWLModelManager());
            return true;
        }


        public String getTooltip() {
            return "";
        }


        public OWLClass getOWLClass() {
            return cls;
        }
    }
}