1 files changed, 170 insertions, 0 deletions
diff --git a/launcher/ui/pages/modplatform/ModPage.cpp b/launcher/ui/pages/modplatform/ModPage.cpp
new file mode 100644
index 00000000..3a116d3c
--- /dev/null
+++ b/launcher/ui/pages/modplatform/ModPage.cpp
@@ -0,0 +1,170 @@
+#include "ModPage.h"
+#include "ui_ModPage.h"
+
+#include <QKeyEvent>
+
+#include "minecraft/MinecraftInstance.h"
+#include "minecraft/PackProfile.h"
+#include "ui/dialogs/ModDownloadDialog.h"
+
+ModPage::ModPage(ModDownloadDialog* dialog, BaseInstance* instance, ModAPI* api)
+    : QWidget(dialog), m_instance(instance), ui(new Ui::ModPage), dialog(dialog), api(api)
+{
+    ui->setupUi(this);
+    connect(ui->searchButton, &QPushButton::clicked, this, &ModPage::triggerSearch);
+    ui->searchEdit->installEventFilter(this);
+
+    ui->versionSelectionBox->view()->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
+    ui->versionSelectionBox->view()->parentWidget()->setMaximumHeight(300);
+
+}
+
+ModPage::~ModPage()
+{
+    delete ui;
+}
+
+
+/******** Qt things ********/
+
+void ModPage::openedImpl()
+{
+    updateSelectionButton();
+    triggerSearch();
+}
+
+auto ModPage::eventFilter(QObject* watched, QEvent* event) -> bool
+{
+    if (watched == ui->searchEdit && event->type() == QEvent::KeyPress) {
+        auto* keyEvent = dynamic_cast<QKeyEvent*>(event);
+        if (keyEvent->key() == Qt::Key_Return) {
+            triggerSearch();
+            keyEvent->accept();
+            return true;
+        }
+    }
+    return QWidget::eventFilter(watched, event);
+}
+
+
+/******** Callbacks to events in the UI (set up in the derived classes) ********/
+
+void ModPage::triggerSearch()
+{
+    listModel->searchWithTerm(ui->searchEdit->text(), ui->sortByBox->currentIndex());
+}
+
+void ModPage::onSelectionChanged(QModelIndex first, QModelIndex second)
+{
+    ui->versionSelectionBox->clear();
+
+    if (!first.isValid()) { return; }
+
+    current = listModel->data(first, Qt::UserRole).value<ModPlatform::IndexedPack>();
+    QString text = "";
+    QString name = current.name;
+
+    if (current.websiteUrl.isEmpty())
+        text = name;
+    else
+        text = "<a href=\"" + current.websiteUrl + "\">" + name + "</a>";
+    
+    if (!current.authors.empty()) {
+        auto authorToStr = [](ModPlatform::ModpackAuthor& author) -> QString {
+            if (author.url.isEmpty()) { return author.name; }
+            return QString("<a href=\"%1\">%2</a>").arg(author.url, author.name);
+        };
+        QStringList authorStrs;
+        for (auto& author : current.authors) {
+            authorStrs.push_back(authorToStr(author));
+        }
+        text += "<br>" + tr(" by ") + authorStrs.join(", ");
+    }
+    text += "<br><br>";
+
+    ui->packDescription->setHtml(text + current.description);
+
+    if (!current.versionsLoaded) {
+        qDebug() << QString("Loading %1 mod versions").arg(debugName());
+
+        ui->modSelectionButton->setText(tr("Loading versions..."));
+        ui->modSelectionButton->setEnabled(false);
+
+        listModel->requestModVersions(current);
+    } else {
+        for (int i = 0; i < current.versions.size(); i++) {
+            ui->versionSelectionBox->addItem(current.versions[i].version, QVariant(i));
+        }
+        if (ui->versionSelectionBox->count() == 0) { ui->versionSelectionBox->addItem(tr("No valid version found."), QVariant(-1)); }
+
+        updateSelectionButton();
+    }
+}
+
+void ModPage::onVersionSelectionChanged(QString data)
+{
+    if (data.isNull() || data.isEmpty()) {
+        selectedVersion = -1;
+        return;
+    }
+    selectedVersion = ui->versionSelectionBox->currentData().toInt();
+    updateSelectionButton();
+}
+
+void ModPage::onModSelected()
+{
+    auto& version = current.versions[selectedVersion];
+    if (dialog->isModSelected(current.name, version.fileName)) {
+        dialog->removeSelectedMod(current.name);
+    } else {
+        dialog->addSelectedMod(current.name, new ModDownloadTask(version.downloadUrl, version.fileName, dialog->mods));
+    }
+
+    updateSelectionButton();
+}
+
+
+/******** Make changes to the UI ********/
+
+void ModPage::retranslate()
+{
+   ui->retranslateUi(this); 
+}
+
+void ModPage::updateModVersions()
+{
+    auto packProfile = (dynamic_cast<MinecraftInstance*>(m_instance))->getPackProfile();
+
+    QString mcVersion = packProfile->getComponentVersion("net.minecraft");
+    QString loaderString = (packProfile->getComponentVersion("net.minecraftforge").isEmpty()) ? "fabric" : "forge";
+
+    for (int i = 0; i < current.versions.size(); i++) {
+        auto version = current.versions[i];
+        //NOTE: Flame doesn't care about loaderString, so passing it changes nothing.
+        if (!validateVersion(version, mcVersion, loaderString)) { 
+            continue; 
+        }
+        ui->versionSelectionBox->addItem(version.version, QVariant(i));
+    }
+    if (ui->versionSelectionBox->count() == 0) { ui->versionSelectionBox->addItem(tr("No valid version found!"), QVariant(-1)); }
+
+    ui->modSelectionButton->setText(tr("Cannot select invalid version :("));
+    updateSelectionButton();
+}
+
+
+void ModPage::updateSelectionButton()
+{
+    if (!isOpened || selectedVersion < 0) {
+        ui->modSelectionButton->setEnabled(false);
+        return;
+    }
+
+    ui->modSelectionButton->setEnabled(true);
+    auto& version = current.versions[selectedVersion];
+    if (!dialog->isModSelected(current.name, version.fileName)) {
+        ui->modSelectionButton->setText(tr("Select mod for download"));
+    } else {
+        ui->modSelectionButton->setText(tr("Deselect mod for download"));
+    }
+}