TwinSelectOrderedColumns

Sortable Twin Column Select

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Vaadin TwinColSelect lacks the ability to sort the order of the result. This component allows the user to do so.

Enhancements:

• Able to set ID and caption are separately

Sample code

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.dragonzone.vaadin;

import com.dragonzone.vaadin.utils.TwinSelectOrderedColumns;
import com.dragonzone.vaadin.utils.TwinSelectOrderedColumnsItem;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Window;
import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author dolc
 */
public class WindowTwinSelectColumns extends Window {

    private static final String[] LETTERS = new String[]{"A", "B", "C", "D", "E", "F"};
    private static final String[] LETTER_IDS = new String[]{"ID_A", "ID_B", "ID_C", "ID_D", "ID_E", "ID_F"};

    @Override
    public void attach() {
        super.attach(); // Must call in order to use the getApplication()

        setModal(true);
        setWidth("90%");
        setHeight("90%");

        List<TwinSelectOrderedColumnsItem> list = new ArrayList<TwinSelectOrderedColumnsItem>();
        for (int i = 0; i < LETTERS.length; i++) {
            TwinSelectOrderedColumnsItem item = new TwinSelectOrderedColumnsItem(LETTER_IDS[i], LETTERS[i]);
            list.add(item);
        }

        List<TwinSelectOrderedColumnsItem> list2 = new ArrayList<TwinSelectOrderedColumnsItem>();
        list2.add(new TwinSelectOrderedColumnsItem("ID_Z", "Z"));

        final TwinSelectOrderedColumns tsoc = new TwinSelectOrderedColumns(null, list, null, list2);
        addComponent(tsoc);

        Button bView = new Button("View Selected");
        bView.addListener(new Button.ClickListener() {

            @Override
            public void buttonClick(ClickEvent event) {
                StringBuilder sb = new StringBuilder("VALUES: ");

                for (TwinSelectOrderedColumnsItem item : tsoc.getSelectedList()) {
                    sb.append(item.getCaption() + " [" + item.getId() + "]");
                    sb.append(", ");
                }
                Notification n = new Notification(
                        sb.toString(), Notification.TYPE_WARNING_MESSAGE);
                n.setDelayMsec(-1);

                getApplication().getMainWindow().showNotification(n);

            }
        });
        addComponent(bView);

    }
}

Links

Compatibility