D-Net

package eu.dnetlib.client.widgets;

import com.github.gwtbootstrap.client.ui.base.IconAnchor;

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

import com.google.gwt.event.dom.client.ClickEvent;

import com.google.gwt.event.dom.client.ClickHandler;

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

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

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

import eu.dnetlib.goldoa.domain.Affiliation;

import eu.dnetlib.goldoa.domain.Organization;

import eu.dnetlib.goldoa.domain.Person;

import java.util.ArrayList;

import java.util.List;

/**

 * Created by stefania on 3/11/15.

 */

public class MultipleAuthorsWidget implements IsWidget {

    private FlowPanel multipleAuthorsPanel = new FlowPanel();

    private List<AuthorInfoWidget> authorInfoWidgetList = new ArrayList<>();

    private IconAnchor addMore = new IconAnchor();

    private Organization defaultOrganization = null;

    public MultipleAuthorsWidget() {

        final AuthorInfoWidget authorInfoWidget = new AuthorInfoWidget();

        if(defaultOrganization!=null)

            loadDefaultAffiliation(defaultOrganization, authorInfoWidget);

        authorInfoWidgetList.add(authorInfoWidget);

        multipleAuthorsPanel.add(authorInfoWidget.asWidget());

        AuthorInfoWidget.DeleteAuthorListener deleteAuthorListener = new AuthorInfoWidget.DeleteAuthorListener() {

            @Override

            public void removeAuthor() {

                authorInfoWidgetList.remove(authorInfoWidget);

                multipleAuthorsPanel.remove(authorInfoWidget.asWidget());

            }

        };

        authorInfoWidget.setDeleteAuthorListener(deleteAuthorListener);

        addMore.setIcon(IconType.PLUS);

        addMore.setText("Add another author");

        addMore.addClickHandler(new ClickHandler() {

            @Override

            public void onClick(ClickEvent clickEvent) {

                final AuthorInfoWidget authorInfoWidget = new AuthorInfoWidget();

                if(defaultOrganization!=null)

                    loadDefaultAffiliation(defaultOrganization, authorInfoWidget);

                authorInfoWidgetList.add(authorInfoWidget);

                multipleAuthorsPanel.insert(authorInfoWidget.asWidget(), multipleAuthorsPanel.getWidgetIndex(addMore));

                AuthorInfoWidget.DeleteAuthorListener deleteAuthorListener = new AuthorInfoWidget.DeleteAuthorListener() {

                    @Override

                    public void removeAuthor() {

                        authorInfoWidgetList.remove(authorInfoWidget);

                        multipleAuthorsPanel.remove(authorInfoWidget.asWidget());

                    }

                };

                authorInfoWidget.setDeleteAuthorListener(deleteAuthorListener);

            }

        });

        multipleAuthorsPanel.add(addMore);

    }

    @Override

    public Widget asWidget() {

        return multipleAuthorsPanel;

    }

    public List<Affiliation> getAuthors() {

        List<Affiliation> authorsList = new ArrayList<>();

        for(AuthorInfoWidget authorInfoWidget : authorInfoWidgetList) {

            if(authorInfoWidget.getAuthor()!=null)

                authorsList.add(authorInfoWidget.getAuthor());

        }

        return authorsList;

    }

    public void clear() {

        multipleAuthorsPanel.clear();

        authorInfoWidgetList = new ArrayList<>();

        final AuthorInfoWidget authorInfoWidget = new AuthorInfoWidget();

        if(defaultOrganization!=null)

            loadDefaultAffiliation(defaultOrganization, authorInfoWidget);

        AuthorInfoWidget.DeleteAuthorListener deleteAuthorListener = new AuthorInfoWidget.DeleteAuthorListener() {

            @Override

            public void removeAuthor() {

                authorInfoWidgetList.remove(authorInfoWidget);

                multipleAuthorsPanel.remove(authorInfoWidget.asWidget());

            }

        };

        authorInfoWidget.setDeleteAuthorListener(deleteAuthorListener);

        authorInfoWidgetList.add(authorInfoWidget);

        multipleAuthorsPanel.add(authorInfoWidget.asWidget());

        multipleAuthorsPanel.add(addMore);

    }

    public void loadAuthors(List<Affiliation> authorsList) {

        if(!authorsList.isEmpty()) {

            multipleAuthorsPanel.clear();

            authorInfoWidgetList = new ArrayList<>();

            for (Affiliation affiliation : authorsList) {

                final AuthorInfoWidget authorInfoWidget = new AuthorInfoWidget();

                authorInfoWidget.loadAuthor(affiliation);

                AuthorInfoWidget.DeleteAuthorListener deleteAuthorListener = new AuthorInfoWidget.DeleteAuthorListener() {

                    @Override

                    public void removeAuthor() {

                        authorInfoWidgetList.remove(authorInfoWidget);

                        multipleAuthorsPanel.remove(authorInfoWidget.asWidget());

                    }

                };

                authorInfoWidget.setDeleteAuthorListener(deleteAuthorListener);

                authorInfoWidgetList.add(authorInfoWidget);

                multipleAuthorsPanel.add(authorInfoWidget.asWidget());

            }

            multipleAuthorsPanel.add(addMore);

        }

    }

    public boolean hasAtLeastOneEmail() {

        boolean hasAtLeastOneEmail = false;

        for(AuthorInfoWidget authorInfoWidget : authorInfoWidgetList) {

            if(authorInfoWidget.hasEmailCompleted())

                hasAtLeastOneEmail = true;

        }

        return hasAtLeastOneEmail;

    }

    public void setDefaultOrganization(Organization organization) {

        defaultOrganization = organization;

        for(AuthorInfoWidget authorInfoWidget : authorInfoWidgetList) {

            loadDefaultAffiliation(organization, authorInfoWidget);

        }

    }

    private void loadDefaultAffiliation(Organization organization, AuthorInfoWidget authorInfoWidget) {

        Affiliation affiliation = new Affiliation();

        affiliation.setOrganization(organization);

        authorInfoWidget.loadAuthor(affiliation);

    }

}