Only apply collection directories changes on save

src/settings/collectionsettingsdirectorymodel.cpp

@@ -0,0 +1,63 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2024, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry 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.
+ *
+ * Strawberry 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 Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+
+#include <QStandardItemModel>
+#include <QVariant>
+#include <QString>
+
+#include "core/iconloader.h"
+#include "collectionsettingsdirectorymodel.h"
+
+CollectionSettingsDirectoryModel::CollectionSettingsDirectoryModel(QObject *parent)
+    : QStandardItemModel(parent),
+      dir_icon_(IconLoader::Load(QStringLiteral("document-open-folder"))) {}
+
+void CollectionSettingsDirectoryModel::AddDirectory(const QString &path) {
+
+  QStandardItem *item = new QStandardItem(path);
+  item->setIcon(dir_icon_);
+  appendRow(item);
+
+  paths_ << path;
+
+}
+
+void CollectionSettingsDirectoryModel::AddDirectories(const QStringList &paths) {
+
+  for (const QString &path : paths) {
+    AddDirectory(path);
+  }
+
+}
+
+void CollectionSettingsDirectoryModel::RemoveDirectory(const QModelIndex &idx) {
+
+  if (!idx.isValid()) return;
+
+  const QString path = data(idx).toString();
+
+  removeRow(idx.row());
+
+  if (paths_.contains(path)) {
+    paths_.removeAll(path);
+  }
+
+}