Content of file DefaultAudioExplorerPresentationControl.java.html
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../../jacoco-resources/report.gif" type="image/gif"/><title>DefaultAudioExplorerPresentationControl.java</title><link rel="stylesheet" href="../../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../../index.html" class="el_report">blueMarine II :: UI :: JavaFX</a> > <a href="../index.html" class="el_bundle">it-tidalwave-bluemarine2-ui</a> > <a href="index.source.html" class="el_package">it.tidalwave.bluemarine2.ui.audio.explorer.impl</a> > <span class="el_source">DefaultAudioExplorerPresentationControl.java</span></div><h1>DefaultAudioExplorerPresentationControl.java</h1><pre class="source lang-java linenums"><span class="nc" id="L1">/*</span>
* *********************************************************************************************************************
*
* blueMarine II: Semantic Media Centre
* http://tidalwave.it/projects/bluemarine2
*
* Copyright (C) 2015 - 2021 by Tidalwave s.a.s. (http://tidalwave.it)
*
* *********************************************************************************************************************
*
* 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.
*
* *********************************************************************************************************************
*
* git clone https://bitbucket.org/tidalwave/bluemarine2-src
* git clone https://github.com/tidalwave-it/bluemarine2-src
*
* *********************************************************************************************************************
*/
package it.tidalwave.bluemarine2.ui.audio.explorer.impl;
import javax.annotation.Nonnull;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.Stack;
import java.util.concurrent.atomic.AtomicReference;
import java.net.URL;
import javafx.application.Platform;
import it.tidalwave.util.Finder;
import it.tidalwave.util.annotation.VisibleForTesting;
import it.tidalwave.role.ui.Displayable;
import it.tidalwave.role.ui.PresentationModel;
import it.tidalwave.role.ui.UserAction;
import it.tidalwave.dci.annotation.DciContext;
import it.tidalwave.messagebus.MessageBus;
import it.tidalwave.messagebus.annotation.ListensTo;
import it.tidalwave.messagebus.annotation.SimpleMessageSubscriber;
import it.tidalwave.bluemarine2.model.role.EntityBrowser;
import it.tidalwave.bluemarine2.model.spi.Entity;
import it.tidalwave.bluemarine2.downloader.DownloadComplete;
import it.tidalwave.bluemarine2.downloader.DownloadRequest;
import it.tidalwave.bluemarine2.ui.commons.OnActivate;
import it.tidalwave.bluemarine2.ui.commons.OnDeactivate;
import it.tidalwave.bluemarine2.ui.commons.OpenAudioExplorerRequest;
import it.tidalwave.bluemarine2.ui.audio.explorer.AudioExplorerPresentation;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.ToString;
import lombok.extern.slf4j.Slf4j;
import static java.util.stream.Collectors.*;
import static java.util.stream.Stream.*;
import static it.tidalwave.role.SimpleComposite._SimpleComposite_;
import static it.tidalwave.role.ui.Displayable._Displayable_;
import static it.tidalwave.role.ui.spi.PresentationModelCollectors.toCompositePresentationModel;
import static it.tidalwave.bluemarine2.model.spi.PathAwareEntity._PathAwareEntity_;
/***********************************************************************************************************************
*
* The Control of the {@link AudioExplorerPresentation}.
*
* @stereotype Control
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
<span class="nc" id="L76">@SimpleMessageSubscriber @DciContext @Slf4j</span>
<span class="nc" id="L77">public class DefaultAudioExplorerPresentationControl implements AudioExplorerPresentationControlSpi</span>
{
<span class="nc" id="L79"> @AllArgsConstructor @Getter @ToString</span>
private static class FolderAndMemento
{
@Nonnull
<span class="nc" id="L83"> private final Entity folder;</span>
@Nonnull
<span class="nc" id="L86"> private final Optional<Object> memento;</span>
}
@Inject
private AudioExplorerPresentation presentation;
@Inject
private MessageBus messageBus;
@Inject
private List<EntityBrowser> browsers;
private Entity currentFolder;
<span class="nc" id="L100"> private final Stack<FolderAndMemento> navigationStack = new Stack<>();</span>
<span class="nc" id="L102"> private final AudioExplorerPresentation.Properties properties = new AudioExplorerPresentation.Properties();</span>
<span class="nc" id="L104"> private final UserAction navigateUpAction = UserAction.of(this::navigateUp);</span>
<span class="nc" id="L106"> private final AtomicReference<Optional<URL>> currentCoverArtUrl = new AtomicReference<>(Optional.empty());</span>
<span class="nc" id="L108"> @Getter</span>
private final List<Entity> mediaItems = new ArrayList<>();
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
@PostConstruct
@VisibleForTesting void initialize()
{
<span class="nc" id="L118"> presentation.bind(properties, navigateUpAction);</span>
<span class="nc" id="L119"> }</span>
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
@VisibleForTesting void onOpenAudioExplorerRequest (@ListensTo @Nonnull final OpenAudioExplorerRequest request)
{
<span class="nc" id="L127"> log.info("onOpenAudioExplorerRequest({})", request);</span>
<span class="nc" id="L128"> presentation.showUp(this);</span>
<span class="nc" id="L129"> populateBrowsers();</span>
<span class="nc" id="L130"> }</span>
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
@VisibleForTesting void onDownloadComplete (@ListensTo @Nonnull final DownloadComplete notification)
{
<span class="nc" id="L138"> log.info("onDownloadComplete({})", notification);</span>
<span class="nc bnc" id="L140" title="All 2 branches missed."> if (currentCoverArtUrl.get().map(url -> url.equals(notification.getUrl())).orElse(false))</span>
{
<span class="nc bnc" id="L142" title="All 2 branches missed."> if (notification.getStatusCode() == 200) // FIXME</span>
{
<span class="nc" id="L144"> presentation.setCoverArt(Optional.of(notification.getCachedUri()));</span>
}
}
<span class="nc" id="L147"> }</span>
/*******************************************************************************************************************
*
*
*
******************************************************************************************************************/
@OnActivate
@VisibleForTesting void onActivate()
{
<span class="nc" id="L157"> presentation.focusOnMediaItems();</span>
<span class="nc" id="L158"> }</span>
/*******************************************************************************************************************
*
* Deactivation is disabled (and acts as navigateUpAction) when the stack is not empty.
*
******************************************************************************************************************/
@OnDeactivate
@VisibleForTesting OnDeactivate.Result onDeactivate()
{
<span class="nc" id="L168"> log.debug("onDeactivate()");</span>
<span class="nc bnc" id="L170" title="All 2 branches missed."> if (navigationStack.isEmpty())</span>
{
<span class="nc" id="L172"> return OnDeactivate.Result.PROCEED;</span>
}
else
{
<span class="nc" id="L176"> navigateUp();</span>
<span class="nc" id="L177"> return OnDeactivate.Result.IGNORE;</span>
}
}
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override
public void selectBrowser (@Nonnull final EntityBrowser browser)
{
<span class="nc" id="L189"> log.info("selectBrowser({})", browser);</span>
<span class="nc" id="L190"> navigationStack.clear();</span>
<span class="nc" id="L191"> populateItems(new FolderAndMemento(browser.getRoot(), Optional.empty()));</span>
<span class="nc" id="L192"> }</span>
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override
public void navigateTo (@Nonnull final Entity newMediaFolder)
{
<span class="nc" id="L202"> log.debug("navigateTo({})", newMediaFolder);</span>
<span class="nc" id="L203"> navigationStack.push(new FolderAndMemento(currentFolder, Optional.of(presentation.getMemento())));</span>
<span class="nc" id="L204"> populateItems(new FolderAndMemento(newMediaFolder, Optional.empty()));</span>
<span class="nc" id="L205"> }</span>
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override
public void renderDetails (@Nonnull final String details)
{
<span class="nc" id="L215"> presentation.renderDetails(details);</span>
<span class="nc" id="L216"> }</span>
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override
public void clearDetails()
{
<span class="nc" id="L226"> presentation.setCoverArt(Optional.empty());</span>
<span class="nc" id="L227"> presentation.renderDetails("");</span>
<span class="nc" id="L228"> }</span>
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
@Override
public void requestCoverArt (@Nonnull final Optional<URL> optionalCoverArtUrl)
{
<span class="nc" id="L238"> log.debug("requestCoverArt({})", optionalCoverArtUrl);</span>
<span class="nc" id="L239"> currentCoverArtUrl.set(optionalCoverArtUrl);</span>
<span class="nc" id="L240"> optionalCoverArtUrl.ifPresent(url -> messageBus.publish(new DownloadRequest(url)));</span>
<span class="nc" id="L241"> }</span>
/*******************************************************************************************************************
*
* Navigates up to the parent folder.
*
******************************************************************************************************************/
private void navigateUp()
{
<span class="nc" id="L250"> log.debug("navigateUp()");</span>
<span class="nc" id="L251"> populateItems(navigationStack.pop());</span>
<span class="nc" id="L252"> }</span>
/*******************************************************************************************************************
*
*
*
******************************************************************************************************************/
private void populateBrowsers()
{
<span class="nc" id="L261"> log.debug("populateBrowsers()");</span>
// FIXME: in this case role injection doesn't work because browsers are pre-instantiated by Spring and not
| in this case role injection doesn't work because browsers are pre-instantiated by Spring and not | |
// in this context.
// contextManager.runWithContext(this, new SimpleTask()
// {
// @Override
// public Void run()
// {
// final PresentationModel pm = browsers.stream() // natively sorted by @OrderBy
// .map(o -> o.as(_Presentable_).createPresentationModel())
// .collect(toCompositePresentationModel());
// presentation.populateBrowsers(pm);
// selectBrowser(browsers.get(0));
// return null;
// }
// });
<span class="nc" id="L279"> final PresentationModel pm = toCompositePresentationModel(browsers, EntityBrowserUserActionProvider::new);</span>
<span class="nc" id="L280"> presentation.populateBrowsers(pm);</span>
<span class="nc" id="L281"> selectBrowser(browsers.get(0));</span>
<span class="nc" id="L282"> }</span>
/*******************************************************************************************************************
*
* Populates the presentation with the contents of a folder and selects an item.
*
* @param folderAndMemento the folder and the presentation memento
*
******************************************************************************************************************/
private void populateItems (@Nonnull final FolderAndMemento folderAndMemento)
{
<span class="nc" id="L293"> log.debug("populateItems({})", folderAndMemento);</span>
<span class="nc" id="L294"> this.currentFolder = folderAndMemento.getFolder();</span>
// FIXME: shouldn't deal with JavaFX threads here
<span class="nc bnc" id="L296" title="All 2 branches missed."> Platform.runLater(() -> navigateUpAction.enabled().set(!navigationStack.isEmpty()));</span>
<span class="nc" id="L297"> Platform.runLater(() -> properties.folderNameProperty().setValue(getCurrentPathLabel()));</span>
<span class="nc" id="L298"> final Finder<? extends Entity> finder = currentFolder.as(_SimpleComposite_).findChildren().withContext(this);</span>
<span class="nc" id="L299"> mediaItems.clear();</span>
// mediaItems.addAll(finder.stream().filter(i -> i instanceof MediaItem).map(i -> (MediaItem)i).collect(toList
// ()));
<span class="nc" id="L302"> mediaItems.addAll(finder.results());</span>
// Needs the cast for overloading ambiguity in the method signature
<span class="nc" id="L304"> final PresentationModel pm = toCompositePresentationModel(mediaItems);</span>
<span class="nc" id="L305"> presentation.populateItems(pm, folderAndMemento.getMemento());</span>
<span class="nc" id="L306"> }</span>
/*******************************************************************************************************************
*
* Computes the label describing the current navigation path.
*
******************************************************************************************************************/
@Nonnull
private String getCurrentPathLabel()
{
<span class="nc" id="L316"> return concat(navigationStack.stream().map(FolderAndMemento::getFolder), of(currentFolder))</span>
<span class="nc" id="L317"> .filter(i -> i.maybeAs(_PathAwareEntity_).map(p -> p.getParent().isPresent()).orElse(true))</span>
<span class="nc" id="L318"> .filter(i -> i.maybeAs(_Displayable_).isPresent())</span>
<span class="nc" id="L319"> .map(i -> i.maybeAs(_Displayable_).map(Displayable::getDisplayName).orElse("???"))</span>
<span class="nc" id="L320"> .collect(joining(" / "));</span>
}
}
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