D-Net

package eu.dnetlib.repo.manager.client.enrichcontent;

import com.google.gwt.core.client.GWT;

import com.google.gwt.dom.client.Document;

import com.google.gwt.user.client.rpc.AsyncCallback;

import com.google.gwt.user.client.ui.FlowPanel;

import com.google.gwt.user.client.ui.HTML;

import com.google.gwt.user.client.ui.Widget;

import eu.dnetlib.gwt.client.help.HelpService;

import eu.dnetlib.gwt.client.help.HelpServiceAsync;

import eu.dnetlib.repo.manager.client.AbstractRepositoryManagerWidget;

import eu.dnetlib.repo.manager.client.HelpCallback;

import eu.dnetlib.repo.manager.client.RepositoryManager;

import eu.dnetlib.repo.manager.client.RepositoryManagerWidget;

import eu.dnetlib.repo.manager.client.services.BrokerService;

import eu.dnetlib.repo.manager.client.services.BrokerServiceAsync;

import eu.dnetlib.repo.manager.shared.Term;

import eu.dnetlib.repo.manager.shared.Tuple;

import eu.dnetlib.repo.manager.shared.broker.BrowseEntry;

import org.gwtbootstrap3.client.ui.Alert;

import org.gwtbootstrap3.client.ui.constants.AlertType;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

/**

 * Created by stefania on 10/31/16.

 */

public class SelectTopicWidget extends AbstractRepositoryManagerWidget implements RepositoryManagerWidget {

    private String parentToken = "";

    private String restToken = "";

    private HTML title = new HTML();

    private FlowPanel selectTopicBoxContent = new FlowPanel();

    private Alert errorAlert = new Alert();

    public static Map<String, Term> topicsVocabulary = new HashMap<>();

    private static HelpServiceAsync helpService = GWT.create(HelpService.class);

    private static BrokerServiceAsync brokerService = GWT.create(BrokerService.class);

    public SelectTopicWidget() {

        super();

        title.addStyleName("uk-margin-medium-bottom");

        contentPanel.add(title);

        errorAlert.setType(AlertType.DANGER);

        errorAlert.setDismissable(false);

        errorAlert.setVisible(false);

        selectTopicBoxContent.add(errorAlert);

        contentPanel.add(selectTopicBoxContent);

    }

    @Override

    public void clear() {

        selectTopicBoxContent.clear();

        errorAlert.setVisible(false);

        gridPanel.remove(helpPanel);

    }

    @Override

    public void reload() {

        Document.get().getElementById("headerNoTransparent").removeClassName("tm-header-transparent");

        selectTopicBoxContent.add(errorAlert);

        title.setHTML("<h1 class=\"uk-article-title\">Enrichments for " + restToken + "</h1>");

        helpService.getHelpById(parentToken + "_selectTopic", new HelpCallback(helpPanel, gridPanel));

        final HTML loadingWheel = new HTML("<div class=\"loader-big\" style=\"text-align: center; padding-top: 170px; " +

                "color: rgb(47, 64, 80); font-weight: bold;\">Retrieving topics...</div>" +

                "<div class=\"whiteFilm\"></div>");

        selectTopicBoxContent.addStyleName("loading-big");

        selectTopicBoxContent.add(loadingWheel);

        brokerService.getTopicsForDatasource(restToken, new AsyncCallback<List<BrowseEntry>>() {

            @Override

            public void onFailure(Throwable caught) {

                selectTopicBoxContent.removeStyleName("loading-big");

                selectTopicBoxContent.remove(loadingWheel);

                errorAlert.setText("System error retrieving topics for datasources.");

                errorAlert.setVisible(true);

            }

            @Override

            public void onSuccess(final List<BrowseEntry> browseEntries) {

                brokerService.getDnetTopics(new AsyncCallback<Map<String, Term>>() {

                    @Override

                    public void onFailure(Throwable throwable) {

                        selectTopicBoxContent.removeStyleName("loading-big");

                        selectTopicBoxContent.remove(loadingWheel);

                        errorAlert.setText("System error retrieving topics vocabulary.");

                        errorAlert.setVisible(true);

                    }

                    @Override

                    public void onSuccess(Map<String, Term> stringTermMap) {

                        topicsVocabulary.putAll(stringTermMap);

                        selectTopicBoxContent.removeStyleName("loading-big");

                        selectTopicBoxContent.remove(loadingWheel);

                        final FlowPanel topicsList = new FlowPanel();

                        createTopicsList(browseEntries, topicsList);

                        selectTopicBoxContent.add(topicsList);

                    }

                });

            }

        });

    }

    @Override

    public void setToken(String parentToken, String rest) {

        this.parentToken = parentToken;

        this.restToken = rest;

    }

    @Override

    public void afterAdditionToRootPanel() {

    }

    private void createTopicsList(List<BrowseEntry> browseEntries, FlowPanel topicsList) {

        topicsList.addStyleName("uk-grid-margin uk-grid uk-grid-stack repos-list");

        if(browseEntries.isEmpty()) {

            topicsList.add(new HTML("No topics were found for this datasource"));

        } else {

            List<BrowseEntry> enrichMoreEntries = new ArrayList<>();

            List<BrowseEntry> enrichMissingEntries = new ArrayList<>();

            for(BrowseEntry browseEntry : browseEntries) {

                if(browseEntry.getValue().startsWith("ENRICH/MORE"))

                    enrichMoreEntries.add(browseEntry);

                else if(browseEntry.getValue().startsWith("ENRICH/MISSING"))

                    enrichMissingEntries.add(browseEntry);

            }

            //COLUMN FOR ENRICH/MORE

            FlowPanel colPanel1 = new FlowPanel();

            colPanel1.addStyleName("uk-width-1-2@m uk-first-column");

            topicsList.add(colPanel1);

            colPanel1.add(createTopicGroupPanel(enrichMoreEntries, "More"));

            //COLUMN FOR ENRICH/MISSING

            FlowPanel colPanel2 = new FlowPanel();

            colPanel2.addStyleName("uk-width-1-2@m uk-first-column");

            topicsList.add(colPanel2);

            colPanel2.add(createTopicGroupPanel(enrichMissingEntries, "Missing"));

        }

    }

    private FlowPanel createTopicGroupPanel(List<BrowseEntry> browseEntries, String group) {

        long total = 0;

        FlowPanel divPanel = new FlowPanel();

        divPanel.addStyleName("uk-overflow-auto uk-scrollspy-inview uk-animation-slide-top-medium");

        String content = "<h4 class=\"uk-h4 uk-text-primary uk-scrollspy-inview uk-animation-slide-top-medium\" " +

                "uk-scrollspy-class=\"\"><span>" + group + "</span></h4>";

        content += "<table class=\"uk-table uk-table-striped uk-table-middle\">" +

//                "<thead><tr><th>Related events that may potentially enrich " + restToken + " content</th>" +

                "<thead><tr><th>Events that may enrich " + restToken + " content</th>" +

                "<th class=\"uk-text-nowrap\"># of events</th>" +

                "</tr></thead>";

        content += "<tbody>";

        for(BrowseEntry browseEntry : browseEntries) {

            content += "<tr class=\"el-item\">" +

                    "<td class=\"uk-table-shrink uk-width-4-5\">\n" +

                    "<a href=\"#" + parentToken + "/" + restToken + "/" + browseEntry.getValue() + "\" class=\"el-link\">" +

                    browseEntry.getValue() + "</a>";

            if(this.topicsVocabulary.get(browseEntry.getValue())!=null)

                content +=   "<div class=\"uk-text uk-text-meta\">" + this.topicsVocabulary.get(browseEntry.getValue()).getEnglishName() + "</div>";

            content += "</td>" +

                    "<td class=\"uk-text-nowrap uk-table-shrink uk-width-1-5\">\n" +

                    "<div class=\"el-title\">" + browseEntry.getSize() + "</div>" +

                    "</td>" +

                    "</tr>";

            total += browseEntry.getSize();

        }

        content += "<tr class=\"el-item footers\">" +

                "<td class=\"uk-text-nowrap uk-table-shrink uk-width-4-5\">\n" +

                "<div class=\"el-title\">Total</div>" +

                "</td>" +

                "<td class=\"uk-text-nowrap uk-table-shrink uk-width-1-5\">\n" +

                "<div class=\"el-title\">" + total + "</div>" +

                "</td>" +

                "</tr>";

        content += "</tbody></table>";

        HTML reposListHTML = new HTML();

        reposListHTML.setHTML(content);

        divPanel.add(reposListHTML);

        return divPanel;

    }

}