GH-2639 Add simple fabric loader installation support

1 files changed, 29 insertions, 0 deletions

diff --git a/application/pages/instance/VersionPage.cpp b/application/pages/instance/VersionPage.cpp
index cbe4a31c..699a5c10 100644
--- a/application/pages/instance/VersionPage.cpp
+++ b/application/pages/instance/VersionPage.cpp
@@ -180,6 +180,7 @@ void VersionPage::packageCurrent(const QModelIndex &current, const QModelIndex &
 
 void VersionPage::updateVersionControls()
 {
+    ui->fabricBtn->setEnabled(true);
     ui->forgeBtn->setEnabled(true);
     ui->liteloaderBtn->setEnabled(true);
     updateButtons();
@@ -187,6 +188,7 @@ void VersionPage::updateVersionControls()
 
 void VersionPage::disableVersionControls()
 {
+    ui->fabricBtn->setEnabled(false);
     ui->forgeBtn->setEnabled(false);
     ui->liteloaderBtn->setEnabled(false);
     ui->reloadBtn->setEnabled(false);
@@ -389,6 +391,33 @@ void VersionPage::on_forgeBtn_clicked()
     }
 }
 
+void VersionPage::on_fabricBtn_clicked()
+{
+    auto vlist = ENV.metadataIndex()->get("net.fabricmc.fabric-loader");
+    if(!vlist)
+    {
+        return;
+    }
+    VersionSelectDialog vselect(vlist.get(), tr("Select Fabric Loader version"), this);
+    vselect.setEmptyString(tr("No Fabric Loader versions are currently available."));
+    vselect.setEmptyErrorString(tr("Couldn't load or download the Fabric Loader version lists!"));
+
+    auto currentVersion = m_profile->getComponentVersion("net.fabricmc.fabric-loader");
+    if(!currentVersion.isEmpty())
+    {
+        vselect.setCurrentVersion(currentVersion);
+    }
+
+    if (vselect.exec() && vselect.selectedVersion())
+    {
+        auto vsn = vselect.selectedVersion();
+        m_profile->setComponentVersion("net.fabricmc.fabric-loader", vsn->descriptor());
+        m_profile->resolve(Net::Mode::Online);
+        preselect(m_profile->rowCount(QModelIndex())-1);
+        m_container->refreshContainer();
+    }
+}
+
 void VersionPage::on_addEmptyBtn_clicked()
 {
     NewComponentDialog compdialog(QString(), QString(), this);