D-Net

package eu.dnetlib.client.widgets;

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

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

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

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

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

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

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

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 eu.dnetlib.goldoa.domain.CommentTemplate;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

/**

 * Created by stefania on 11/17/15.

 */

public class ConfirmActionModal {

    private Modal actionConfirmationModal = new Modal();

    private FlowPanel actionConfirmationPanel = new FlowPanel();

    private Alert errorLabel = new Alert();

    private Form commentsForm = new Form();

    private ListBox commentTemplatesListBox = new ListBox();

    private TextArea comments = new TextArea();

    private ModalFooter modalFooter = new ModalFooter();

    private FlowPanel actionButtons = new FlowPanel();

    private Button cancelButton = new Button();

    private Button okButton = new Button();

    private Map<String, CommentTemplate> commentTemplatesMap = new HashMap<>();

    private ActionConfirmedListener actionConfirmedListener;

    public ConfirmActionModal(String action, final List<CommentTemplate> commentTemplates) {

        actionConfirmationModal.setTitle(action + " Confirmation");

        actionConfirmationModal.add(actionConfirmationPanel);

        errorLabel.setType(AlertType.ERROR);

        errorLabel.setVisible(false);

        errorLabel.setClose(false);

        actionConfirmationPanel.add(errorLabel);

        actionConfirmationPanel.add(commentsForm);

        if(commentTemplates!=null && !commentTemplates.isEmpty()) {

            for(CommentTemplate commentTemplate : commentTemplates) {

                commentTemplatesListBox.addItem(commentTemplate.getName(), commentTemplate.getId());

                commentTemplatesMap.put(commentTemplate.getId(), commentTemplate);

            }

            commentTemplatesListBox.setAlternateSize(AlternateSize.XXLARGE);

            commentsForm.add(new FormFieldSet("Reason (*)", commentTemplatesListBox));

            commentTemplatesListBox.addChangeHandler(new ChangeHandler() {

                @Override

                public void onChange(ChangeEvent event) {

                    comments.setValue(commentTemplatesMap.get(commentTemplatesListBox.getSelectedValue()).getComment());

                }

            });

            comments.setValue(commentTemplatesMap.get(commentTemplatesListBox.getValue(0)).getComment());

        }

        comments.setAlternateSize(AlternateSize.XXLARGE);

        commentsForm.add(new FormFieldSet("Comment (*)", comments));

        actionButtons.addStyleName("confirmationModalButtons");

        modalFooter.add(actionButtons);

        actionConfirmationModal.add(modalFooter);

        cancelButton.setText("Cancel");

        cancelButton.setType(ButtonType.DEFAULT);

        cancelButton.addClickHandler(new ClickHandler() {

            @Override

            public void onClick(ClickEvent event) {

                hide();

            }

        });

        actionButtons.add(cancelButton);

        okButton.setText("Ok");

        okButton.setType(ButtonType.PRIMARY);

        okButton.addClickHandler(new ClickHandler() {

            @Override

            public void onClick(ClickEvent event) {

                errorLabel.setVisible(false);

                if(comments.getValue()==null || comments.getValue().trim().isEmpty()) {

                    errorLabel.setVisible(true);

                    errorLabel.setText("Providing a comment is mandatory");

                } else {

                    if(actionConfirmedListener!=null) {

                        if(commentTemplates!=null && !commentTemplates.isEmpty())

                            actionConfirmedListener.actionConfirmed(comments.getValue().trim(), commentTemplatesListBox.getSelectedValue());

                        else

                            actionConfirmedListener.actionConfirmed(comments.getValue().trim(), null);

                    }

                    hide();

                }

            }

        });

        actionButtons.add(okButton);

        actionConfirmationModal.addStyleName("confirmationModal");

        actionConfirmationModal.setAnimation(true);

        actionConfirmationModal.setBackdrop(BackdropType.STATIC);

    }

    public void show() {

        actionConfirmationModal.show();

    }

    public void hide() {

        actionConfirmationModal.hide();

        actionConfirmationModal.removeFromParent();

    }

    public interface ActionConfirmedListener {

        void actionConfirmed(String comment, String templateId);

    }

    public void setActionConfirmedListener(ActionConfirmedListener actionConfirmedListener) {

        this.actionConfirmedListener = actionConfirmedListener;

    }

}