by.parfen.disptaxi.webapp.etc.AutoComplitePage.java Source code

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Here is the source code for by.parfen.disptaxi.webapp.etc.AutoComplitePage.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package by.parfen.disptaxi.webapp.etc;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.AjaxFormSubmitBehavior;
import org.apache.wicket.event.Broadcast;
import org.apache.wicket.event.IEvent;
import org.apache.wicket.extensions.ajax.markup.html.autocomplete.AutoCompleteTextField;
import org.apache.wicket.injection.Injector;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.model.Model;
import org.apache.wicket.util.string.Strings;

import by.parfen.disptaxi.datamodel.Point;
import by.parfen.disptaxi.datamodel.Street;
import by.parfen.disptaxi.webapp.BaseLayout;

public class AutoComplitePage extends BaseLayout {

    private static final int MAX_AUTO_COMPLETE_ELEMENTS = 10;

    private SampleEvent sampleEvent;

    private List<Street> streetsList;
    private List<Point> pointsList;

    /**
     * Constructor.
     */
    public AutoComplitePage() {
        Injector.get().inject(this);

        sampleEvent = new SampleEvent();
        // selectedCity = cityService.get(15L);
        sampleEvent.setCityById(60L);
        streetsList = sampleEvent.getStreets();
        // pointsList = sampleEvent.getPointsList();

        final FeedbackPanel feedback = new FeedbackPanel("feedback");
        feedback.setOutputMarkupId(true);
        add(feedback);

        Form<Void> form = new Form<Void>("form");
        add(form);

        final AutoCompleteTextField<String> field = new AutoCompleteTextField<String>("acStreet",
                new Model<String>("")) {
            @Override
            protected Iterator<String> getChoices(String input) {
                if (Strings.isEmpty(input)) {
                    List<String> emptyList = Collections.emptyList();
                    return emptyList.iterator();
                }

                List<String> choices = new ArrayList<String>(MAX_AUTO_COMPLETE_ELEMENTS);

                for (final Street streetItem : streetsList) {
                    final String streetName = streetItem.getName();

                    if (streetName.toUpperCase().startsWith(input.toUpperCase())) {
                        choices.add(streetName);
                        if (choices.size() == MAX_AUTO_COMPLETE_ELEMENTS) {
                            break;
                        }
                    }
                }

                return choices.iterator();
            }
        };

        final AutoCompleteTextField<String> fieldPoint = new AutoCompleteTextField<String>("acPoint",
                new Model<String>("")) {
            @Override
            protected Iterator<String> getChoices(String input) {
                if (Strings.isEmpty(input)) {
                    List<String> emptyList = Collections.emptyList();
                    return emptyList.iterator();
                }

                List<String> choices = new ArrayList<String>(MAX_AUTO_COMPLETE_ELEMENTS);

                for (final Point pointItem : sampleEvent.getPointsList()) {
                    final String pointName = pointItem.getName();

                    if (pointName.toUpperCase().startsWith(input.toUpperCase())) {
                        choices.add(pointName);
                        if (choices.size() == MAX_AUTO_COMPLETE_ELEMENTS) {
                            break;
                        }
                    }
                }

                return choices.iterator();
            }
        };

        final ItemPanel itemPanel = new ItemPanel("itemPanel");
        add(itemPanel);

        add(new Link<Void>("linkItemInfo") {

            @Override
            public void onClick() {
                info("onSubmit");
                info(itemPanel.getItemInfo());
            }

        });

        final Label label = new Label("label", form.getDefaultModel()) {

            @Override
            public void onEvent(IEvent<?> event) {
                Object payload = event.getPayload();
                if (payload instanceof SampleEvent) {
                    SampleEvent sampelEvent = (SampleEvent) payload;
                    setDefaultModel(Model
                            .of(sampelEvent.getSelectedStreetName() + ", " + sampelEvent.getSelectedPointName()));
                    sampelEvent.getTarget().add(this);
                }
            }

        };

        label.setOutputMarkupId(true);
        add(label);

        form.add(field);
        form.add(fieldPoint);

        field.add(new AjaxFormSubmitBehavior(form, "onchange") {
            @Override
            protected void onSubmit(AjaxRequestTarget target) {
                sampleEvent.setTarget(target);
                sampleEvent.setSelectedStreetName(field.getDefaultModelObjectAsString());
                sampleEvent.setSelectedPointName("");
                send(getPage(), Broadcast.BREADTH, sampleEvent);
            }

            @Override
            protected void onError(AjaxRequestTarget target) {
            }
        });

        fieldPoint.add(new AjaxFormSubmitBehavior(form, "onchange") {
            @Override
            protected void onSubmit(AjaxRequestTarget target) {
                sampleEvent.setTarget(target);
                sampleEvent.setSelectedPointName(fieldPoint.getDefaultModelObjectAsString());
                send(getPage(), Broadcast.BREADTH, sampleEvent);
            }

            @Override
            protected void onError(AjaxRequestTarget target) {
            }
        });
    }
}