Reorganized the UI/xml part to better handle next steps

src/ui/explore/ArtistView.cpp

@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2018 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LMS 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 LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <Wt/WApplication>
+#include <Wt/WAnchor>
+#include <Wt/WImage>
+#include <Wt/WTemplate>
+#include <Wt/WText>
+
+#include "database/Types.hpp"
+
+#include "utils/Logger.hpp"
+#include "utils/Utils.hpp"
+
+#include "LmsApplication.hpp"
+#include "Filters.hpp"
+#include "ArtistView.hpp"
+
+namespace UserInterface {
+
+Artist::Artist(Filters* filters, Wt::WContainerWidget* parent)
+: Wt::WContainerWidget(parent),
+  _filters(filters)
+{
+	wApp->internalPathChanged().connect(std::bind([=]
+	{
+		refresh();
+	}));
+
+	refresh();
+
+	filters->updated().connect(std::bind([=] {
+		refresh();
+	}));
+}
+
+void
+Artist::refresh()
+{
+	if (!wApp->internalPathMatches("/artist/"))
+		return;
+
+	clear();
+
+	Database::Artist::id_type artistId;
+	if (!readAs(wApp->internalPathNextPart("/artist/"), artistId))
+		return;
+
+        Wt::Dbo::Transaction transaction(DboSession());
+	auto artist = Database::Artist::getById(DboSession(), artistId);
+
+	if (!artist)
+	{
+		LmsApp->goHome();
+		return;
+	}
+
+	auto t = new Wt::WTemplate(Wt::WString::tr("Lms.Explore.Artist.template"), this);
+	t->addFunction("tr", &Wt::WTemplate::Functions::tr);
+
+	auto clusterContainers = new Wt::WContainerWidget();
+	t->bindWidget("clusters", clusterContainers);
+
+	{
+		auto clusters = artist->getClusters(3);
+
+		for (auto cluster : clusters)
+		{
+			auto entry = new Wt::WTemplate(Wt::WString::tr("Lms.Explore.Artist.template.cluster-entry"), clusterContainers);
+
+			entry->bindString("name", Wt::WString::fromUTF8(cluster->getName()), Wt::PlainText);
+		}
+	}
+
+	t->bindString("name", Wt::WString::fromUTF8(artist->getName()), Wt::PlainText);
+	{
+		auto playBtn = new Wt::WText(Wt::WString::tr("Lms.Explore.Artist.play"), Wt::XHTMLText);
+		t->bindWidget("play-btn", playBtn);
+
+		playBtn->clicked().connect(std::bind([=]
+		{
+			artistPlay.emit(artistId);
+		}));
+	}
+
+	{
+		auto addBtn = new Wt::WText(Wt::WString::tr("Lms.Explore.Artist.add"), Wt::XHTMLText);
+		t->bindWidget("add-btn", addBtn);
+
+		addBtn->clicked().connect(std::bind([=]
+		{
+			artistAdd.emit(artistId);
+		}));
+	}
+
+	auto releasesContainer = new Wt::WContainerWidget();
+	t->bindWidget("releases", releasesContainer);
+
+	auto releases = artist->getReleases(_filters->getClusterIds());
+	for (auto release : releases)
+	{
+		auto releaseId = release.id();
+
+		Wt::WTemplate* entry = new Wt::WTemplate(Wt::WString::tr("Lms.Explore.Artist.template.entry"), releasesContainer);
+		entry->addFunction("tr", Wt::WTemplate::Functions::tr);
+
+		{
+			Wt::WAnchor* coverAnchor = LmsApplication::createReleaseAnchor(releaseId);
+			Wt::WImage* cover = new Wt::WImage(coverAnchor);
+			cover->setImageLink(LmsApp->getImageResource()->getReleaseUrl(release.id(), 128));
+			// Some images may not be square
+			cover->setWidth(128);
+			entry->bindWidget("cover", coverAnchor);
+		}
+
+		{
+			Wt::WAnchor* releaseAnchor = LmsApplication::createReleaseAnchor(releaseId);
+			Wt::WText* releaseName = new Wt::WText(releaseAnchor);
+			releaseName->setText(Wt::WString::fromUTF8(release->getName(), Wt::PlainText));
+			entry->bindWidget("name", releaseAnchor);
+		}
+
+		if (release->hasVariousArtists())
+			entry->setCondition("if-has-various-artists", true);
+
+		boost::optional<int> year = release->getReleaseYear();
+		if (year)
+		{
+			entry->setCondition("if-has-year", true);
+			entry->bindInt("year", *year);
+
+			boost::optional<int> originalYear = release->getReleaseYear(true);
+			if (originalYear && *originalYear != *year)
+			{
+				entry->setCondition("if-has-orig-year", true);
+				entry->bindInt("orig-year", *originalYear);
+			}
+		}
+
+		auto playBtn = new Wt::WText(Wt::WString::tr("Lms.Explore.Artist.play"), Wt::XHTMLText);
+		entry->bindWidget("play-btn", playBtn);
+		playBtn->clicked().connect(std::bind([=]
+		{
+			releasePlay.emit(releaseId);
+		}));
+
+		auto addBtn = new Wt::WText(Wt::WString::tr("Lms.Explore.Artist.add"), Wt::XHTMLText);
+		entry->bindWidget("add-btn", addBtn);
+		addBtn->clicked().connect(std::bind([=]
+		{
+			releaseAdd.emit(releaseId);
+		}));
+	}
+}
+
+} // namespace UserInterface
+