com.google.mobile.trippy.web.client.view.SearchResultsMapView.java Source code

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Here is the source code for com.google.mobile.trippy.web.client.view.SearchResultsMapView.java

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/*
 * Copyright 2010 Google Inc.
 *
 * Licensed 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 com.google.mobile.trippy.web.client.view;

import com.google.common.base.Preconditions;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.HasChangeHandlers;
import com.google.gwt.event.dom.client.HasClickHandlers;
import com.google.gwt.event.logical.shared.ResizeEvent;
import com.google.gwt.event.logical.shared.ResizeHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiTemplate;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Anchor;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FocusPanel;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.Widget;
import com.google.mobile.trippy.web.client.i18n.Message;
import com.google.mobile.trippy.web.client.presenter.BaseHeaderPresenter;
import com.google.mobile.trippy.web.client.presenter.MapPresenter;
import com.google.mobile.trippy.web.client.presenter.SearchResultItemPresenter;
import com.google.mobile.trippy.web.client.presenter.SearchResultsMapPresenter;

/**
 * View implementation for search results map view
 * 
 */
public class SearchResultsMapView extends Composite implements SearchResultsMapPresenter.Display {

    /** UI Binder. */
    @UiTemplate("SearchResultsMapView.ui.xml")
    interface Binder extends UiBinder<Widget, SearchResultsMapView> {
    }

    @UiField
    FocusPanel prevItem;
    @UiField
    FocusPanel nextItem;
    @UiField
    BaseHeaderPresenter.Display headerDisplay;
    @UiField
    HTMLPanel panelNoItems;
    @UiField
    SearchResultItemPresenter.Display itemInfoWindow;
    @UiField
    ListBox pageDropDown;
    @UiField
    MapView mapView;
    MenuOptionsView headerOptionsView;
    @UiField
    Label textNoItems;
    @UiField
    Anchor showGoogleSearch;

    /** UIBinder instance. */
    private static Binder uiBinder = GWT.create(Binder.class);

    public SearchResultsMapView() {
        super();
        initWidget(uiBinder.createAndBindUi(this));
        //TODO :Its just remove the tabindex from DOM. But need to find
        //the alternative approach.
        nextItem.getElement().getChild(nextItem.getTabIndex()).removeFromParent();
        prevItem.getElement().getChild(prevItem.getTabIndex()).removeFromParent();
        Window.addResizeHandler(new ResizeHandler() {

            @Override
            public void onResize(ResizeEvent event) {
                mapView.setHeight((Window.getClientHeight() - 74) + "px");
            }
        });
        mapView.setHeight((Window.getClientHeight() - 74) + "px");
    }

    @Override
    public Widget asWidget() {
        return this;
    }

    @Override
    public BaseHeaderPresenter.Display getHeaderDisplay() {
        return headerDisplay;
    }

    @Override
    public SearchResultItemPresenter.Display getInfoDisplay() {
        return itemInfoWindow;
    }

    @Override
    public MapPresenter.Display getMapDisplay() {
        return mapView;
    }

    @Override
    public HasClickHandlers getNextButton() {
        return nextItem;
    }

    @Override
    public HasClickHandlers getPrevButton() {
        return prevItem;
    }

    @Override
    public MenuOptionsView getHeaderOptionsDisplay() {
        return headerOptionsView;
    }

    @Override
    public void setNextButtonEnabled(final boolean enabled) {
        nextItem.setVisible(enabled);
    }

    @Override
    public void setPrevButtonEnabled(final boolean enabled) {
        prevItem.setVisible(enabled);
    }

    @Override
    public void populatePageList(int totalPages) {
        Preconditions.checkArgument(totalPages >= 0);
        pageDropDown.clear();
        pageDropDown.setVisible(!(totalPages == 0));
        final Message messages = GWT.create(Message.class);
        for (int i = 1; i <= totalPages; i++) {
            pageDropDown.addItem("Page " + i);
        }
    }

    @Override
    public HasChangeHandlers getPageList() {
        return pageDropDown;
    }

    @Override
    public int getSelectedPage() {
        return pageDropDown.getSelectedIndex();
    }

    @Override
    public void setItemVisible(final boolean visible) {
        itemInfoWindow.asWidget().setVisible(visible);
        panelNoItems.setVisible(!visible);
    }

    @Override
    public void setSelectedPage(int index) {
        pageDropDown.setSelectedIndex(index);
    }

    @Override
    public void setNoItemText(boolean isLp) {
        //TODO: move constant strings to constant file.
        if (isLp) {
            textNoItems.setText("No Lonely Planet results found.");
        } else {
            textNoItems.setText("No Google Results");
        }
        showGoogleSearch.setVisible(isLp);
    }

    @Override
    public HasClickHandlers getGoogleSearch() {
        return showGoogleSearch;
    }
}