EDIT

// $Id$

/**

 * Copyright (C) 2015 EDIT

 * European Distributed Institute of Taxonomy

 * http://www.e-taxonomy.eu

 *

 * The contents of this file are subject to the Mozilla Public License Version 1.1

 * See LICENSE.TXT at the top of this package for the full license terms.

 */

package eu.etaxonomy.cdm.vaadin.component;

import java.util.Arrays;

import org.apache.log4j.Logger;

import com.vaadin.annotations.AutoGenerated;

import com.vaadin.data.Validator.EmptyValueException;

import com.vaadin.data.util.sqlcontainer.RowId;

import com.vaadin.server.Page;

import com.vaadin.ui.Alignment;

import com.vaadin.ui.Button;

import com.vaadin.ui.Button.ClickEvent;

import com.vaadin.ui.ComboBox;

import com.vaadin.ui.CustomComponent;

import com.vaadin.ui.GridLayout;

import com.vaadin.ui.HorizontalLayout;

import com.vaadin.ui.Label;

import com.vaadin.ui.Notification;

import com.vaadin.ui.Notification.Type;

import com.vaadin.ui.TextField;

import com.vaadin.ui.UI;

import com.vaadin.ui.VerticalLayout;

import com.vaadin.ui.Window;

import eu.etaxonomy.cdm.vaadin.container.IdUuidName;

import eu.etaxonomy.cdm.vaadin.session.CdmChangeEvent;

import eu.etaxonomy.cdm.vaadin.session.CdmChangeEvent.Action;

import eu.etaxonomy.cdm.vaadin.util.CdmVaadinOperation;

import eu.etaxonomy.cdm.vaadin.util.CdmVaadinUtilities;

import eu.etaxonomy.cdm.vaadin.view.INewTaxonBaseComponentListener;

import eu.etaxonomy.cdm.vaadin.view.INewTaxonBaseComposite;

/**

 * @author cmathew

 * @date 2 Apr 2015

 *

 */

public class NewTaxonBaseComposite extends CustomComponent implements INewTaxonBaseComposite {

    /*- VaadinEditorProperties={"grid":"RegularGrid,20","showGrid":true,"snapToGrid":true,"snapToObject":true,"movingGuides":false,"snappingDistance":10} */

    @AutoGenerated

    private VerticalLayout mainLayout;

    @AutoGenerated

    private CdmProgressComponent cdmProgressComponent;

    @AutoGenerated

    private HorizontalLayout horizontalLayout;

    @AutoGenerated

    private Button cancelButton;

    @AutoGenerated

    private Button saveButton;

    @AutoGenerated

    private GridLayout gridLayout;

    @AutoGenerated

    private ComboBox synComboBox;

    @AutoGenerated

    private Label synSecLabel;

    @AutoGenerated

    private ComboBox accTaxonSecComboBox;

    @AutoGenerated

    private Label accTaxonSecLabel;

    @AutoGenerated

    private TextField nameTextField;

    @AutoGenerated

    private Label nameLabel;

    @AutoGenerated

    private Label accTaxonNameValue;

    @AutoGenerated

    private Label accTaxonLabel;

    private INewTaxonBaseComponentListener listener;

    private final Window dialog;

    private final IdUuidName accTaxonIun;

    private final IdUuidName classificationIun;

    private static final Logger logger = Logger.getLogger(NewTaxonBaseComposite.class);

    private static final String CHOOSE_SECUNDUM_PROMPT = "Choose Secundum ....";

    /**

     * The constructor should first build the main layout, set the

     * composition root and then do any custom initialization.

     *

     * The constructor will not be automatically regenerated by the

     * visual editor.

     */

    public NewTaxonBaseComposite(Window dialog,

            INewTaxonBaseComponentListener listener,

            IdUuidName accTaxonIun,

            String accTaxonName,

            IdUuidName classificationIun) {

        buildMainLayout();

        setCompositionRoot(mainLayout);

        this.listener = listener;

        this.dialog = dialog;

        this.accTaxonIun = accTaxonIun;

        this.classificationIun = classificationIun;

        addUIListeners();

        if(accTaxonName == null || accTaxonName.isEmpty()) {

            // this is the case where we create a new taxon

            accTaxonLabel.setVisible(false);

            accTaxonNameValue.setVisible(false);

            synSecLabel.setVisible(false);

            synComboBox.setVisible(false);

        } else {

            // this is the case where we create a new synonym

            accTaxonNameValue.setValue(accTaxonName);

        }

        init();

    }

    public void init() {

        initAccTaxonSecComboBox();

        if(accTaxonIun != null) {

            initSynSecComboBox();

        }

    }

    private void  initAccTaxonSecComboBox() {

        accTaxonSecComboBox.setNullSelectionAllowed(false);

        accTaxonSecComboBox.setItemCaptionPropertyId("titleCache");

        accTaxonSecComboBox.setImmediate(true);

        if(listener != null) {

            accTaxonSecComboBox.setContainerDataSource(listener.getAccTaxonSecRefContainer());

            Object selectedSecItemId = listener.getClassificationRefId(classificationIun.getUuid());

            if(selectedSecItemId != null) {

                accTaxonSecComboBox.setValue(selectedSecItemId);

            } else {

                accTaxonSecComboBox.setInputPrompt(CHOOSE_SECUNDUM_PROMPT);

            }

        }

    }

    private void initSynSecComboBox() {

        synComboBox.setNullSelectionAllowed(false);

        synComboBox.setItemCaptionPropertyId("titleCache");

        synComboBox.setImmediate(true);

        if(listener != null) {

            synComboBox.setContainerDataSource(listener.getSynSecRefContainer());

            Object selectedSecItemId = listener.getClassificationRefId(classificationIun.getUuid());

            if(selectedSecItemId != null) {

                synComboBox.setValue(selectedSecItemId);

            } else {

                synComboBox.setInputPrompt(CHOOSE_SECUNDUM_PROMPT);

            }

        }

    }

    private void addUIListeners() {

        addSaveButtonListener();

        addCancelButtonListener();

    }

    private void addSaveButtonListener() {

        saveButton.addClickListener(new Button.ClickListener() {

            @Override

            public void buttonClick(ClickEvent event) {

                try {

                    nameTextField.validate();

                    accTaxonSecComboBox.validate();

                    if(accTaxonIun != null) {

                        synComboBox.validate();

                    }

                } catch (EmptyValueException e) {

                    Notification notification = new Notification("Invalid input", "Neither Name or Secundum can be empty", Type.WARNING_MESSAGE);

                    notification.show(Page.getCurrent());

                    return;

                }

                CdmVaadinUtilities.setEnabled(mainLayout, false, null);

                CdmVaadinUtilities.exec(new CdmVaadinOperation(500, cdmProgressComponent) {

                    @Override

                    public boolean execute() {

                        setProgress("Saving Taxon " + nameTextField.getValue());

                        IdUuidName taxonBaseIdUuid;

                        boolean newTaxon = false;

                        try {

                            if(accTaxonIun == null) {

                                taxonBaseIdUuid = listener.newTaxon(nameTextField.getValue(),accTaxonSecComboBox.getValue(), classificationIun.getUuid());

                                newTaxon = true;

                            } else {

                                taxonBaseIdUuid = listener.newSynonym(nameTextField.getValue(),

                                        accTaxonSecComboBox.getValue(),

                                        accTaxonSecComboBox.getValue(),

                                        accTaxonIun.getUuid());

                                newTaxon = false;

                            }

                            Object rowId = new RowId(taxonBaseIdUuid.getId());

                            registerDelayedEvent(new CdmChangeEvent(Action.Create, Arrays.asList(rowId, newTaxon), NewTaxonBaseComposite.this));

                        } catch (IllegalArgumentException iae) {

                            setException(iae);

                            return false;

                        }

                        return true;

                    }

                    @Override

                    public void postOpUIUpdate(boolean success) {

                        if(success) {

                            UI.getCurrent().removeWindow(dialog);

                        } else {

                            CdmVaadinUtilities.setEnabled(mainLayout, true, null);

                        }

                    }

                });

            }

        });

    }

    private void addCancelButtonListener() {

        cancelButton.addClickListener(new Button.ClickListener() {

            @Override

            public void buttonClick(ClickEvent event) {

                UI.getCurrent().removeWindow(dialog);

            }

        });

    }

    /* (non-Javadoc)

     * @see eu.etaxonomy.cdm.vaadin.view.INewTaxonComposite#setListener(eu.etaxonomy.cdm.vaadin.view.INewTaxonBaseComponentListener)

     */

    @Override

    public void setListener(INewTaxonBaseComponentListener listener) {

        this.listener = listener;

    }

    @AutoGenerated

    private VerticalLayout buildMainLayout() {

        // common part: create layout

        mainLayout = new VerticalLayout();

        mainLayout.setImmediate(false);

        mainLayout.setWidth("420px");

        mainLayout.setHeight("240px");

        mainLayout.setMargin(true);

        // top-level component properties

        setWidth("420px");

        setHeight("240px");

        // gridLayout

        gridLayout = buildGridLayout();

        mainLayout.addComponent(gridLayout);

        mainLayout.setExpandRatio(gridLayout, 1.0f);

        // horizontalLayout

        horizontalLayout = buildHorizontalLayout();

        mainLayout.addComponent(horizontalLayout);

        mainLayout.setComponentAlignment(horizontalLayout, new Alignment(20));

        // cdmProgressComponent

        cdmProgressComponent = new CdmProgressComponent();

        cdmProgressComponent.setImmediate(false);

        cdmProgressComponent.setWidth("-1px");

        cdmProgressComponent.setHeight("-1px");

        mainLayout.addComponent(cdmProgressComponent);

        mainLayout.setComponentAlignment(cdmProgressComponent, new Alignment(48));

        return mainLayout;

    }

    @AutoGenerated

    private GridLayout buildGridLayout() {

        // common part: create layout

        gridLayout = new GridLayout();

        gridLayout.setImmediate(false);

        gridLayout.setWidth("-1px");

        gridLayout.setHeight("140px");

        gridLayout.setMargin(false);

        gridLayout.setSpacing(true);

        gridLayout.setColumns(2);

        gridLayout.setRows(4);

        // accTaxonLabel

        accTaxonLabel = new Label();

        accTaxonLabel.setImmediate(false);

        accTaxonLabel.setWidth("-1px");

        accTaxonLabel.setHeight("-1px");

        accTaxonLabel.setValue("Acc. Taxon : ");

        gridLayout.addComponent(accTaxonLabel, 0, 0);

        gridLayout.setComponentAlignment(accTaxonLabel, new Alignment(34));

        // accTaxonNameValue

        accTaxonNameValue = new Label();

        accTaxonNameValue.setImmediate(false);

        accTaxonNameValue.setWidth("-1px");

        accTaxonNameValue.setHeight("-1px");

        accTaxonNameValue.setValue("Taxon Name");

        gridLayout.addComponent(accTaxonNameValue, 1, 0);

        gridLayout.setComponentAlignment(accTaxonNameValue, new Alignment(33));

        // nameLabel

        nameLabel = new Label();

        nameLabel.setImmediate(false);

        nameLabel.setWidth("-1px");

        nameLabel.setHeight("-1px");

        nameLabel.setValue("Name : ");

        gridLayout.addComponent(nameLabel, 0, 1);

        gridLayout.setComponentAlignment(nameLabel, new Alignment(34));

        // nameTextField

        nameTextField = new TextField();

        nameTextField.setImmediate(false);

        nameTextField.setWidth("190px");

        nameTextField.setHeight("-1px");

        nameTextField.setInvalidAllowed(false);

        nameTextField.setRequired(true);

        gridLayout.addComponent(nameTextField, 1, 1);

        gridLayout.setComponentAlignment(nameTextField, new Alignment(33));

        // accTaxonSecLabel

        accTaxonSecLabel = new Label();

        accTaxonSecLabel.setImmediate(false);

        accTaxonSecLabel.setWidth("-1px");

        accTaxonSecLabel.setHeight("-1px");

        accTaxonSecLabel.setValue("Acc. Taxon Secundum : ");

        gridLayout.addComponent(accTaxonSecLabel, 0, 2);

        gridLayout.setComponentAlignment(accTaxonSecLabel, new Alignment(34));

        // accTaxonSecComboBox

        accTaxonSecComboBox = new ComboBox();

        accTaxonSecComboBox.setImmediate(false);

        accTaxonSecComboBox.setWidth("190px");

        accTaxonSecComboBox.setHeight("-1px");

        accTaxonSecComboBox.setInvalidAllowed(false);

        accTaxonSecComboBox.setRequired(true);

        gridLayout.addComponent(accTaxonSecComboBox, 1, 2);

        gridLayout.setComponentAlignment(accTaxonSecComboBox, new Alignment(33));

        // synSecLabel

        synSecLabel = new Label();

        synSecLabel.setImmediate(false);

        synSecLabel.setWidth("-1px");

        synSecLabel.setHeight("-1px");

        synSecLabel.setValue("Synonym Secundum : ");

        gridLayout.addComponent(synSecLabel, 0, 3);

        // synComboBox

        synComboBox = new ComboBox();

        synComboBox.setImmediate(false);

        synComboBox.setWidth("190px");

        synComboBox.setHeight("-1px");

        synComboBox.setInvalidAllowed(false);

        synComboBox.setRequired(true);

        gridLayout.addComponent(synComboBox, 1, 3);

        return gridLayout;

    }

    @AutoGenerated

    private HorizontalLayout buildHorizontalLayout() {

        // common part: create layout

        horizontalLayout = new HorizontalLayout();

        horizontalLayout.setImmediate(false);

        horizontalLayout.setWidth("-1px");

        horizontalLayout.setHeight("-1px");

        horizontalLayout.setMargin(false);

        horizontalLayout.setSpacing(true);

        // saveButton

        saveButton = new Button();

        saveButton.setCaption("Save");

        saveButton.setImmediate(true);

        saveButton.setWidth("-1px");

        saveButton.setHeight("-1px");

        horizontalLayout.addComponent(saveButton);

        horizontalLayout.setComponentAlignment(saveButton, new Alignment(20));

        // cancelButton

        cancelButton = new Button();

        cancelButton.setCaption("Cancel");

        cancelButton.setImmediate(true);

        cancelButton.setWidth("-1px");

        cancelButton.setHeight("-1px");

        horizontalLayout.addComponent(cancelButton);

        horizontalLayout.setComponentAlignment(cancelButton, new Alignment(20));

        return horizontalLayout;

    }

}