Java tutorial
/* * Copyright 2014 Red Hat, Inc. and/or its affiliates. * * 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 org.kie.workbench.common.widgets.client.menu; import javax.enterprise.context.ApplicationScoped; import javax.inject.Inject; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.IsWidget; import org.gwtbootstrap3.client.ui.AnchorListItem; import org.gwtbootstrap3.client.ui.constants.IconType; import org.kie.workbench.common.widgets.client.resources.i18n.CommonConstants; import org.uberfire.client.mvp.PerspectiveActivity; import org.uberfire.client.mvp.PerspectiveManager; import org.uberfire.client.mvp.PlaceManager; import org.uberfire.mvp.Command; import org.uberfire.mvp.PlaceRequest; import org.uberfire.mvp.impl.ForcedPlaceRequest; import org.uberfire.workbench.model.menu.MenuFactory; import org.uberfire.workbench.model.menu.MenuItem; import org.uberfire.workbench.model.menu.MenuPosition; import org.uberfire.workbench.model.menu.impl.BaseMenuCustom; /** * A custom MenuBuilder that creates a button that, when clicked, resets Perspective definitions for the active User */ @ApplicationScoped public class ResetPerspectivesMenuBuilder implements MenuFactory.CustomMenuBuilder { @Inject private PerspectiveManager perspectiveManager; @Inject private PlaceManager placeManager; private AnchorListItem link = new AnchorListItem(); public ResetPerspectivesMenuBuilder() { link.setIcon(IconType.MEDKIT); link.getWidget(0).setStyleName("nav-item-iconic"); // Fix for IE11 link.setTitle(CommonConstants.INSTANCE.ResetPerspectivesTooltip()); link.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { if (Window.confirm(CommonConstants.INSTANCE.PromptResetPerspectives())) { final PerspectiveActivity currentPerspective = perspectiveManager.getCurrentPerspective(); perspectiveManager.removePerspectiveStates(new Command() { @Override public void execute() { if (currentPerspective != null) { //Use ForcedPlaceRequest to force re-loading of the current Perspective final PlaceRequest pr = new ForcedPlaceRequest(currentPerspective.getIdentifier(), currentPerspective.getPlace().getParameters()); placeManager.goTo(pr); } } }); } } }); } @Override public void push(final MenuFactory.CustomMenuBuilder element) { //Do nothing } @Override public MenuItem build() { return new BaseMenuCustom<IsWidget>() { @Override public IsWidget build() { return link; } @Override public MenuPosition getPosition() { return MenuPosition.RIGHT; } }; } }