package org.simantics.district.network.ui.visualisations;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;

import org.eclipse.swt.widgets.Composite;
import org.simantics.Simantics;
import org.simantics.db.AsyncReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.common.procedure.adapter.AsyncListenerAdapter;
import org.simantics.db.layer0.request.PossibleActiveModel;

public class DynamicVisualisationsView {

    private DynamicVisualisationsUI ui;

    @PostConstruct
    public void postConstruct(Composite parent) {
        ui = new DynamicVisualisationsUI(parent);
        
        Simantics.getSession().asyncRequest(new PossibleActiveModel(Simantics.getProjectResource()), new AsyncListenerAdapter<Resource>() {

            @Override
            public void execute(AsyncReadGraph graph, Resource result) {
                if (ui != null && !ui.getParent().isDisposed()) {
                    ui.getParent().getDisplay().asyncExec(() -> {
                        ui.setParentResource(result);
                    });
                }
            }

            @Override
            public boolean isDisposed() {
                return ui != null ? ui.getParent().isDisposed() : true;
            }
        });
    }

    @PreDestroy
    public void dispose() {
        ui.getParent().dispose();
        ui = null;
    }

}