Java tutorial
/* ------------------------------------------------------------------------- OpenTripPlanner GWT Client Copyright (C) 2015 Mecatran - info@mecatran.com 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 2 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, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. ------------------------------------------------------------------------- */ package com.mecatran.otp.gwt.client.view; import java.util.Date; import java.util.Map; import java.util.Set; import com.google.gwt.dom.client.Style.Overflow; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.Composite; import com.google.gwt.user.client.ui.DeckLayoutPanel; import com.google.gwt.user.client.ui.DockLayoutPanel.Direction; import com.google.gwt.user.client.ui.SplitLayoutPanel; import com.google.gwt.user.client.ui.Widget; import com.mecatran.otp.gwt.client.model.AlertBean; import com.mecatran.otp.gwt.client.model.ItineraryBean; import com.mecatran.otp.gwt.client.model.LocationBean; import com.mecatran.otp.gwt.client.model.ModeCapabilitiesBean; import com.mecatran.otp.gwt.client.model.POIBean; import com.mecatran.otp.gwt.client.model.PlanRequestBean; import com.mecatran.otp.gwt.client.model.TransportMode; import com.mecatran.otp.gwt.client.model.Wgs84BoundsBean; import com.mecatran.otp.gwt.client.model.Wgs84LatLonBean; import com.mecatran.otp.gwt.client.proxies.GeocoderProxy; import com.mecatran.otp.gwt.client.proxies.POISource; import com.mecatran.otp.gwt.client.view.ItineraryWidget.ItineraryListener; import com.mecatran.otp.gwt.client.view.PlannerMapWidget.MapListener; import com.mecatran.otp.gwt.client.view.PrintWidget.PrintWidgetListener; /** * This default implementation implement a screen widget. * */ public class PlannerWidgetImpl extends Composite implements PlannerWidget, PrintWidgetListener, ItineraryListener, MapListener { private PlannerFormWidget plannerFormWidget; private PlannerMapWidget plannerMapWidget; private AlertStackWidget alertStackWidget; private ItineraryStackWidget itineraryStackWidget; private LeftPanelWidget leftPanelWidget; private ItineraryWidget selectedItineraryWidget; private SplitLayoutPanel screenWidget; private DeckLayoutPanel rootPanel; private PlannerWidgetListener plannerWidgetListener; private PrintWidgetListener printWidgetListener; public PlannerWidgetImpl() { rootPanel = new DeckLayoutPanel(); // Screen interaction widget screenWidget = new SplitLayoutPanel() { @Override public void onResize() { super.onResize(); if (plannerMapWidget != null) plannerMapWidget.updateSize(); } }; screenWidget.setSize("100%", "100%"); selectedItineraryWidget = null; plannerMapWidget = new OpenLayersPlannerMapWidget(); plannerMapWidget.setMapListener(this); plannerFormWidget = new PlannerFormWidget(); plannerFormWidget.setPlannerWidget(this); itineraryStackWidget = new ItineraryStackWidget(); alertStackWidget = new AlertStackWidget(); // Firefox/Opera hack: no scroll panel... boolean useScrollPanel = false; leftPanelWidget = new LeftPanelWidget(plannerFormWidget, itineraryStackWidget, alertStackWidget, useScrollPanel); screenWidget.insert(leftPanelWidget, Direction.WEST, 300, null); if (!useScrollPanel) { leftPanelWidget.getElement().getParentElement().getStyle().setOverflow(Overflow.AUTO); } screenWidget.insert(plannerMapWidget.getAsWidget(), Direction.CENTER, 0, null); rootPanel.add(screenWidget); rootPanel.showWidget(screenWidget); rootPanel.setSize("100%", "100%"); initWidget(rootPanel); } @Override public void setModeCapabilities(ModeCapabilitiesBean modeCapabilities) { plannerFormWidget.setModeCapabilities(modeCapabilities); } @Override public void onItineraryCloseButtonClicked(ItineraryWidget itineraryWidget) { itineraryStackWidget.removeItineraryWidget(itineraryWidget); plannerWidgetListener.onItineraryRemoved(itineraryWidget.getItinerary()); plannerWidgetListener.onItineraryHover(null); if (itineraryWidget == selectedItineraryWidget) { plannerMapWidget.showItineraryOnMap(null); selectedItineraryWidget = null; } } @Override public void onItineraryPinButtonClicked(ItineraryWidget itineraryWidget, boolean pinned) { itineraryWidget.setPinned(pinned); plannerWidgetListener.onItineraryPinned(itineraryWidget.getItinerary(), itineraryWidget.isPinned()); } @Override public void onItineraryPrintButtonClicked(ItineraryWidget itineraryWidget) { plannerWidgetListener.onItineraryPrintRequest(itineraryWidget.getItinerary()); } @Override public void onItineraryClicked(ItineraryWidget itineraryWidget) { selectItinerary(itineraryWidget); } @Override public void onItineraryHover(ItineraryWidget itineraryWidget, boolean start) { if (start) plannerWidgetListener.onItineraryHover(itineraryWidget.getItinerary()); else plannerWidgetListener.onItineraryHover(null); } @Override public void onItineraryStepClicked(String instructionsHtml, Wgs84LatLonBean location) { plannerMapWidget.highlightItineraryStep(instructionsHtml, location); } @Override public void onStartPointSelected(Wgs84LatLonBean position) { plannerWidgetListener.onStartPointSelected(position); } @Override public void onEndPointSelected(Wgs84LatLonBean position) { plannerWidgetListener.onEndPointSelected(position); } @Override public Widget getAsWidget() { return this; } @Override public void setPlannerWidgetListener(PlannerWidgetListener plannerWidgetListener) { this.plannerWidgetListener = plannerWidgetListener; plannerFormWidget.setPlannerWidgetListener(plannerWidgetListener); } @Override public void setGeocoderProxy(GeocoderProxy geocoderProxy) { plannerFormWidget.setGeocoderProxy(geocoderProxy); } @Override public void setBounds(Wgs84BoundsBean bounds) { plannerMapWidget.setBounds(bounds); } @Override public void addItinerary(ItineraryBean itinerary, boolean autoSelect) { ItineraryWidget itineraryWidget = new ItineraryWidget(itinerary, this); itineraryStackWidget.addItineraryWidget(itineraryWidget); if (autoSelect) selectItinerary(itineraryWidget); } @Override public void clearItineraries() { itineraryStackWidget.removeAllUnpinned(); } @Override public void showItineraryOnMap(ItineraryBean itinerary, boolean preview) { if (preview) plannerMapWidget.previewItineraryOnMap(itinerary); else plannerMapWidget.showItineraryOnMap(itinerary); } @Override public void unselectItinerary() { if (selectedItineraryWidget != null) { selectedItineraryWidget.setSelected(false); selectedItineraryWidget = null; plannerMapWidget.showItineraryOnMap(null); } } @Override public void showError(String errorMessage) { Window.alert(errorMessage); } @Override public void setBusy(boolean busy) { plannerFormWidget.setBusy(busy); } @Override public void setStartLocation(LocationBean location, boolean autoPan) { plannerFormWidget.setStartLocation(location); plannerMapWidget.updateDeparturePosition(location.getLocation(), autoPan); } @Override public void setEndLocation(LocationBean location, boolean autoPan) { plannerFormWidget.setEndLocation(location); plannerMapWidget.updateArrivalPosition(location.getLocation(), autoPan); } @Override public void previewLocation(LocationBean location) { plannerMapWidget.previewLocation(location); } @Override public void setDateDeparture(boolean dateDeparture) { plannerFormWidget.setDateDeparture(dateDeparture); } @Override public void setDate(Date date) { plannerFormWidget.setDateTime(date); } @Override public void setModes(Set<TransportMode> modes) { plannerFormWidget.setModes(modes); } @Override public void setWheelchairAccessible(boolean wheelchairAccessible) { plannerFormWidget.setWheelchairAccessible(wheelchairAccessible); } @Override public void focusDeparture() { unselectItinerary(); plannerMapWidget.focusDeparture(); } @Override public void focusArrival() { unselectItinerary(); plannerMapWidget.focusArrival(); } @Override public PlanRequestBean getPlanRequestBean() { return plannerFormWidget.getPlanRequestBean(); } @Override public void publishGeneralAlert(AlertBean alert) { AlertWidget alertWidget = new AlertWidget(alert); alertWidget.setStyleName("general-alert"); alertStackWidget.addAlert(alertWidget); } @Override public void updatePOIs(POISource source, Map<String, POIBean> pois) { plannerMapWidget.updatePOIs(source, pois); } @Override public void switchMapBackground(Set<TransportMode> modes) { plannerMapWidget.switchMapBackground(modes); } private void selectItinerary(ItineraryWidget itineraryWidget) { if (itineraryWidget == selectedItineraryWidget) return; if (selectedItineraryWidget != null) { selectedItineraryWidget.setSelected(false); } selectedItineraryWidget = itineraryWidget; selectedItineraryWidget.setSelected(true); plannerWidgetListener.onItinerarySelected(itineraryWidget.getItinerary()); } @Override public void onPrintDone() { // Delegate rootPanel.showWidget(screenWidget); printWidgetListener.onPrintDone(); } }