/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.management.web.browser.client;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import com.google.gwt.user.client.ui.RootLayoutPanel;
import com.google.inject.Inject;
import com.google.inject.Provider;
import org.apache.cxf.management.web.browser.client.event.GoToBrowserEvent;
import org.apache.cxf.management.web.browser.client.event.GoToBrowserEventHandler;
import org.apache.cxf.management.web.browser.client.event.GoToEditCriteriaEvent;
import org.apache.cxf.management.web.browser.client.event.GoToEditCriteriaEventHandler;
import org.apache.cxf.management.web.browser.client.event.GoToSettingsEvent;
import org.apache.cxf.management.web.browser.client.event.GoToSettingsEventHandler;
import org.apache.cxf.management.web.browser.client.service.settings.SettingsFacade;
import org.apache.cxf.management.web.browser.client.service.settings.SettingsFacade.StorageStrategy;
import org.apache.cxf.management.web.browser.client.ui.Presenter;
import org.apache.cxf.management.web.browser.client.ui.browser.BrowsePresenter;
import org.apache.cxf.management.web.browser.client.ui.browser.EditCriteriaPresenter;
import org.apache.cxf.management.web.browser.client.ui.settings.SettingsPresenter;
public class Dispatcher {
@Nonnull
private final EventBus eventBus;
@Nonnull
private final Provider<BrowsePresenter> browseProvider;
@Nonnull
private final Provider<EditCriteriaPresenter> editCriteriaProvider;
@Nonnull
private final Provider<SettingsPresenter> settingsProvider;
@Nonnull
private final SettingsFacade settingsFacade;
@Nullable
private Presenter currentPresenter;
@Inject
public Dispatcher(@Nonnull final EventBus eventBus,
@Nonnull final SettingsFacade settingsFacade,
@Nonnull final Provider<BrowsePresenter> browseProvider,
@Nonnull final Provider<EditCriteriaPresenter> editCriteriaProvider,
@Nonnull final Provider<SettingsPresenter> settingsProvider) {
this.eventBus = eventBus;
this.browseProvider = browseProvider;
this.editCriteriaProvider = editCriteriaProvider;
this.settingsProvider = settingsProvider;
this.settingsFacade = settingsFacade;
bind();
}
public void start() {
settingsFacade.initialize(StorageStrategy.REMOTE);
eventBus.fireEvent(new GoToBrowserEvent());
}
private void go(@Nonnull final Presenter newPresenter) {
if (currentPresenter != null) {
currentPresenter.unbind();
}
currentPresenter = newPresenter;
currentPresenter.go(RootLayoutPanel.get());
}
private void bind() {
eventBus.addHandler(GoToBrowserEvent.TYPE, new GoToBrowserEventHandler() {
public void onGoToBrowser(@Nonnull final GoToBrowserEvent event) {
go(browseProvider.get());
}
});
eventBus.addHandler(GoToEditCriteriaEvent.TYPE, new GoToEditCriteriaEventHandler() {
public void onGoToEditCriteria(@Nonnull final GoToEditCriteriaEvent event) {
go(editCriteriaProvider.get());
}
});
eventBus.addHandler(GoToSettingsEvent.TYPE, new GoToSettingsEventHandler() {
public void onGoToSettings(@Nonnull final GoToSettingsEvent event) {
go(settingsProvider.get());
}
});
}
}