D-Net

package eu.dnetlib.repo.manager.client.validator.test;

import com.google.gwt.event.logical.shared.ValueChangeEvent;

import com.google.gwt.event.logical.shared.ValueChangeHandler;

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.domain.functionality.validator.Rule;

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

import org.gwtbootstrap3.client.ui.CheckBox;

import java.util.*;

/**

 * Created by stefania on 3/8/16.

 */

public class MultiSelectWidget implements IsWidget {

    private FlowPanel multiSelectPanel = new FlowPanel();

    private FlowPanel multiSelectInnerPanel = new FlowPanel();

    private CheckBox selectAllCheckBox;

    final private List<CheckBox> checkBoxes = new ArrayList<CheckBox>();

    private Map<CheckBox, Vocabulary> checkBoxRule = new HashMap<CheckBox, Vocabulary>();

    public MultiSelectWidget(List<Vocabulary> vocabularyList, String name) {

        multiSelectPanel.add(multiSelectInnerPanel);

        multiSelectInnerPanel.addStyleName("margin10");

        selectAllCheckBox = new CheckBox("Select / Deselect All " + name);

        selectAllCheckBox.setValue(true);

        selectAllCheckBox.addStyleName("selectAll");

        selectAllCheckBox.addValueChangeHandler(new ValueChangeHandler<Boolean>() {

            @Override

            public void onValueChange(ValueChangeEvent<Boolean> event) {

                for(CheckBox checkBox : checkBoxes)

                    checkBox.setValue(selectAllCheckBox.getValue());

            }

        });

        multiSelectInnerPanel.add(selectAllCheckBox);

        for(Vocabulary vocabulary : vocabularyList) {

            CheckBox checkBox = new CheckBox(vocabulary.getName());

            checkBox.setValue(true);

            checkBoxes.add(checkBox);

            checkBoxRule.put(checkBox, vocabulary);

            multiSelectInnerPanel.add(checkBox);

        }

    }

    @Override

    public Widget asWidget() {

        return multiSelectPanel;

    }

    public List<String> getSelections() {

        List<String> selections = new ArrayList<String>();

        for(CheckBox checkBox : checkBoxes) {

            if (checkBox.getValue())

                selections.add(checkBoxRule.get(checkBox).getId());

        }

        return selections;

    }

    public void addStyleName(String styleName) {

        multiSelectPanel.addStyleName(styleName);

    }

}