D-Net

package eu.dnetlib.client.support;

import com.github.gwtbootstrap.client.ui.Alert;

import com.github.gwtbootstrap.client.ui.Form;

import com.github.gwtbootstrap.client.ui.constants.AlertType;

import com.github.gwtbootstrap.client.ui.constants.FormType;

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

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.Label;

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

import eu.dnetlib.client.*;

import eu.dnetlib.client.user.EligibleProjectsInfoWidget;

import eu.dnetlib.client.widgets.AutoCompleteWidget;

import eu.dnetlib.client.widgets.FormFieldSet;

import eu.dnetlib.goldoa.domain.Vocabulary;

import eu.dnetlib.shared.EligiblePresentAndFutureProjects;

/**

 * Created by stefania on 5/4/15.

 */

public class EligibleProjectsWidget implements MyWidget {

    private String token = "";

    private FlowPanel eligibleProjectsPagePanel = new FlowPanel();

    private Label eligibleProjectsTitleLabel = new Label();

    private Label eligibleProjectsInfoLabel = new Label();

    private Form institutionsForm = new Form();

    private AutoCompleteWidget organizationAutoComplete = new AutoCompleteWidget("organisation", "Search...");

    private Label commentLabel = new Label();

    private Alert errorLabel = new Alert();

    private FlowPanel eligibleProjectListPanel = new FlowPanel();

    private DataServiceAsync dataService = GWT.create(DataService.class);

    private GoldOAConstants goldOAConstants = GWT.create(GoldOAConstants.class);

    public EligibleProjectsWidget() {

        eligibleProjectsPagePanel.addStyleName("content");

        eligibleProjectsPagePanel.addStyleName("eligibleProjectsPage");

        eligibleProjectsTitleLabel.setText("Eligible Projects");

        eligibleProjectsTitleLabel.addStyleName("contentTitleLabel");

        eligibleProjectsInfoLabel.setText("Find the eligible projects by organization ");

        eligibleProjectsInfoLabel.addStyleName("contentInfoLabel");

        institutionsForm.setType(FormType.HORIZONTAL);

        AutoCompleteWidget.AutoCompleteListener organizationAutoCompleteListener = new AutoCompleteWidget.AutoCompleteListener() {

            @Override

            public void valueSelected(Vocabulary vocabulary) {

                getEligibleProjects(vocabulary.getId());

            }

        };

        organizationAutoComplete.setAutoCompleteListener(organizationAutoCompleteListener);

        commentLabel.setText("Search using the name as it appears in CORDA");

        commentLabel.addStyleName("comment");

        commentLabel.addStyleName("fontItalic");

        institutionsForm.add(new FormFieldSet("Organization", organizationAutoComplete.asWidget(), commentLabel));

        errorLabel.addStyleName("alertLabel");

        errorLabel.setType(AlertType.ERROR);

        errorLabel.setVisible(false);

        errorLabel.setClose(false);

        eligibleProjectsPagePanel.add(eligibleProjectsTitleLabel);

        eligibleProjectsPagePanel.add(eligibleProjectsInfoLabel);

        eligibleProjectsPagePanel.add(institutionsForm);

        eligibleProjectsPagePanel.add(errorLabel);

        eligibleProjectsPagePanel.add(eligibleProjectListPanel);

    }

    @Override

    public Widget asWidget() {

        return eligibleProjectsPagePanel;

    }

    @Override

    public void clear() {

        errorLabel.setVisible(false);

        eligibleProjectListPanel.clear();

        organizationAutoComplete.setValue("");

    }

    @Override

    public void reload() {

        MyWidgetHelper.hideSidebar();

        SidebarPanel helpPanel = new SidebarPanel("Help");

        MyWidgetHelper.loadHelp(helpPanel, token.split("\\.")[0]);

    }

    @Override

    public void setToken(String token) {

        this.token = token;

    }

    @Override

    public void afterAdditionToRootPanel() {

    }

    private void getEligibleProjects(String organizationId) {

        errorLabel.setVisible(false);

        final HTML loadingWheel = new HTML("<div class=\"loader-big\"></div><div class=\"whiteFilm\"></div>");

        eligibleProjectListPanel.addStyleName("loading");

        eligibleProjectListPanel.add(loadingWheel);

        dataService.getEligibleProjectsForOrganization(organizationId,

                new AsyncCallback<EligiblePresentAndFutureProjects>() {

                    @Override

                    public void onFailure(Throwable throwable) {

                        eligibleProjectListPanel.clear();

                        eligibleProjectListPanel.removeStyleName("loading");

                        errorLabel.setText(goldOAConstants.errorGettingEligibleProjectsByOrganization());

                        errorLabel.setVisible(true);

                    }

                    @Override

                    public void onSuccess(EligiblePresentAndFutureProjects eligiblePresentAndFutureProjects) {

                        eligibleProjectListPanel.clear();

                        eligibleProjectListPanel.removeStyleName("loading");

                        if(eligiblePresentAndFutureProjects!=null) {

                            EligibleProjectsInfoWidget eligibleProjectsInfoWidget = new EligibleProjectsInfoWidget(eligiblePresentAndFutureProjects);

                            eligibleProjectListPanel.add(eligibleProjectsInfoWidget.asWidget());

                        }

                    }

                });

    }

}