SearchAdminComboBoxSet.java example

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activityinfo-master
package org.activityinfo.ui.client.page.entry.location;

/*
 * #%L
 * ActivityInfo Server
 * %%
 * Copyright (C) 2009 - 2013 UNICEF
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the 
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public 
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */

import com.extjs.gxt.ui.client.event.ComponentEvent;
import com.extjs.gxt.ui.client.event.Events;
import com.extjs.gxt.ui.client.event.Listener;
import com.extjs.gxt.ui.client.store.ListStore;
import com.extjs.gxt.ui.client.widget.LayoutContainer;
import com.google.common.collect.Lists;
import org.activityinfo.i18n.shared.I18N;
import org.activityinfo.legacy.shared.model.AdminEntityDTO;
import org.activityinfo.legacy.shared.model.AdminLevelDTO;
import org.activityinfo.ui.client.page.entry.admin.AdminComboBox;
import org.activityinfo.ui.client.page.entry.admin.AdminComboBoxSet;
import org.activityinfo.ui.client.page.entry.admin.AdminComboBoxSet.ComboBoxFactory;
import org.activityinfo.ui.client.page.entry.admin.AdminFieldSetPresenter;

import java.util.Iterator;
import java.util.List;

public class SearchAdminComboBoxSet implements ComboBoxFactory, Iterable<SearchAdminComboBox> {

    private List<SearchAdminComboBox> comboBoxes = Lists.newArrayList();
    private final LayoutContainer container;

    private EditMode mode = EditMode.SEARCH;

    public SearchAdminComboBoxSet(LayoutContainer container, AdminFieldSetPresenter presenter) {
        super();
        this.container = container;
        new AdminComboBoxSet(presenter, this);
    }

    @Override
    public AdminComboBox create(AdminLevelDTO level, ListStore<AdminEntityDTO> store) {
        final SearchAdminComboBox box = new SearchAdminComboBox(level, store);
        box.addListener(Events.Enable, new Listener<ComponentEvent>() {

            @Override
            public void handleEvent(ComponentEvent be) {
                if (mode == EditMode.SEARCH) {
                    box.setVisible(box.isEnabled());
                    container.layout();
                }
            }
        });
        comboBoxes.add(box);
        return box;
    }

    public void setMode(EditMode mode) {
        this.mode = mode;
        updateCombos();
        container.layout();
    }

    private void updateCombos() {
        for (SearchAdminComboBox comboBox : comboBoxes) {

            if (mode == EditMode.NEW_LOCATION) {
                comboBox.setVisible(true);
                comboBox.setEmptyText("");
            } else {
                comboBox.setVisible(comboBox.isEnabled());
                comboBox.setEmptyText(I18N.CONSTANTS.clickToFilter());
            }
        }
    }

    @Override
    public Iterator<SearchAdminComboBox> iterator() {
        return comboBoxes.iterator();
    }

}