ATLauncher: Move the UI support implementation into it's own class

This will allow it to be used in multiple locations.

launcher/ui/pages/modplatform/atlauncher/AtlUserInteractionSupportImpl.cpp

@@ -0,0 +1,95 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  PolyMC - Minecraft Launcher
+ *  Copyright (c) 2022 Jamie Mansfield <jmansfield@cadixdev.org>
+ *
+ *  This program 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, version 3.
+ *
+ *  This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ *      Copyright 2020-2021 Jamie Mansfield <jmansfield@cadixdev.org>
+ *
+ *      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.
+ */
+
+#include <QMessageBox>
+#include "AtlUserInteractionSupportImpl.h"
+
+#include "AtlOptionalModDialog.h"
+#include "ui/dialogs/VersionSelectDialog.h"
+
+AtlUserInteractionSupportImpl::AtlUserInteractionSupportImpl(QWidget *parent) : m_parent(parent)
+{
+}
+
+QVector<QString> AtlUserInteractionSupportImpl::chooseOptionalMods(ATLauncher::PackVersion version, QVector<ATLauncher::VersionMod> mods)
+{
+    AtlOptionalModDialog optionalModDialog(m_parent, version, mods);
+    optionalModDialog.exec();
+    return optionalModDialog.getResult();
+}
+
+QString AtlUserInteractionSupportImpl::chooseVersion(Meta::VersionListPtr vlist, QString minecraftVersion)
+{
+    VersionSelectDialog vselect(vlist.get(), "Choose Version", m_parent, false);
+    if (minecraftVersion != nullptr) {
+        vselect.setExactFilter(BaseVersionList::ParentVersionRole, minecraftVersion);
+        vselect.setEmptyString(tr("No versions are currently available for Minecraft %1").arg(minecraftVersion));
+    }
+    else {
+        vselect.setEmptyString(tr("No versions are currently available"));
+    }
+    vselect.setEmptyErrorString(tr("Couldn't load or download the version lists!"));
+
+    // select recommended build
+    for (int i = 0; i < vlist->versions().size(); i++) {
+        auto version = vlist->versions().at(i);
+        auto reqs = version->requires();
+
+        // filter by minecraft version, if the loader depends on a certain version.
+        if (minecraftVersion != nullptr) {
+            auto iter = std::find_if(reqs.begin(), reqs.end(), [](const Meta::Require& req) {
+                return req.uid == "net.minecraft";
+            });
+            if (iter == reqs.end())
+                continue;
+            if (iter->equalsVersion != minecraftVersion)
+                continue;
+        }
+
+        // first recommended build we find, we use.
+        if (version->isRecommended()) {
+            vselect.setCurrentVersion(version->descriptor());
+            break;
+        }
+    }
+
+    vselect.exec();
+    return vselect.selectedVersion()->descriptor();
+}
+
+void AtlUserInteractionSupportImpl::displayMessage(QString message)
+{
+    QMessageBox::information(m_parent, tr("Installing"), message);
+}