Java tutorial
/* * Copyright 2011 Vancouver Ywebb Consulting Ltd * * 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 next.celebs.controller; import next.celebs.Context; import next.celebs.DemoUtils; import next.celebs.di.UiGinjector; import next.celebs.model.API.Response; import next.celebs.model.Key; import next.celebs.model.Photo; import next.celebs.model.PhotoMap; import next.i.controller.XController; import next.i.mobile.SelectionChangedEvent; import next.i.mobile.SelectionChangedHandler; import next.i.view.XBarItem.Type; import next.i.view.widgets.XRadioButton; import next.i.view.widgets.XRadioButtonGroup; import com.google.gwt.dom.client.Style; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.user.client.ui.FlowPanel; import com.google.gwt.user.client.ui.Image; import com.google.gwt.user.client.ui.IsWidget; public class PhotosController extends XController { private final static Context ctx = UiGinjector.INSTANCE.getCtx(); private PhotoDragController dragController; private boolean isCelebrity; public PhotosController(final String title, boolean isCelebrity) { if ("Feel Lucky".equals(title)) { setTitle(ctx.getNamesDao().getRandomName()); } else { setTitle(title); } this.isCelebrity = isCelebrity; getNavigationBar().setLeftTitle("Back", Type.BACK_BUTTON); getNavigationBar().getLeftButton().addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { getNavigationController().popController(true); } }); if (isCelebrity) { getNavigationBar().setRightTitle("Wiki"); getNavigationBar().getRightButton().addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { DemoUtils.openWiki("http://en.wikipedia.org/wiki/" + title); } }); } } private void doGetPhotos(final FlowPanel imageWrapper, String title) { // XLog.info("before search " + getTitle()); String suffux = isCelebrity ? "" : " girl"; ctx.getPhotoDao().getPhotos(new Key(title + suffux, title), 8, new Response<PhotoMap>() { @Override public void read(PhotoMap data) { for (String id : data.keySet()) { final Photo p = data.get(id); Image img = new Image(p.getThumbUrl()); img.setStyleName("yThumb"); img.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { dragController = new PhotoDragController(getTitle(), p, false); getNavigationController().pushController(dragController, true); } }); imageWrapper.add(img); } } }); } @Override public IsWidget getViewContent() { final FlowPanel panel = new FlowPanel(); Style s = panel.getElement().getStyle(); s.setProperty("backgroundColor", "#fff"); s.setProperty("padding", "1em"); final FlowPanel imageWrapper = new FlowPanel(); final XRadioButtonGroup group = new XRadioButtonGroup(); XRadioButton btn0 = new XRadioButton("Wallpaper", "Wallpaper"); XRadioButton btn1 = new XRadioButton("Beach", "Beach"); XRadioButton btn2 = new XRadioButton("Bride", "Bride"); group.add(btn0, btn1, btn2); group.getElement().getStyle().setProperty("marginBottom", "1em"); final String celebName = getTitle(); group.addSelectionChangedHandler(new SelectionChangedHandler() { public void onSelectionChanged(SelectionChangedEvent e) { imageWrapper.clear(); imageWrapper.removeFromParent(); panel.add(imageWrapper); String selected = group.getCheckedWidget().getName(); if (selected.equals("Beach")) { selected = "swimwear"; } doGetPhotos(imageWrapper, celebName + " " + selected); } }); panel.add(group); panel.add(imageWrapper); doGetPhotos(imageWrapper, celebName); return panel; } @Override public Scroll getScrollOrientation() { return XController.Scroll.VERTICAL; } }