Java tutorial
/* * 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.Composite; import com.google.gwt.user.client.ui.FocusPanel; import com.google.gwt.user.client.ui.HTMLPanel; 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.TripItemPresenter; import com.google.mobile.trippy.web.client.presenter.TripMapPresenter; /** * View implementation for trip map view * */ public class TripMapView extends Composite implements TripMapPresenter.Display { /** UI Binder. */ @UiTemplate("TripMapView.ui.xml") interface Binder extends UiBinder<Widget, TripMapView> { } @UiField FocusPanel prevItem; @UiField FocusPanel nextItem; @UiField BaseHeaderPresenter.Display headerDisplay; @UiField HTMLPanel panelNoItems; @UiField TripItemPresenter.Display itemInfoWindow; @UiField ListBox pageDropDown; @UiField MapView mapView; MenuOptionsView headerOptionsView; /** UIBinder instance. */ private static Binder uiBinder = GWT.create(Binder.class); public TripMapView() { 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 TripItemPresenter.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(final int tripDuration) { Preconditions.checkArgument(tripDuration > 0); pageDropDown.clear(); pageDropDown.addItem("All Items"); final Message messages = GWT.create(Message.class); pageDropDown.addItem(messages.unscheduled()); for (int i = 1; i <= tripDuration; i++) { pageDropDown.addItem("Day " + 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); } }