From c0f72488d042b8f7503b7f13fdcc53ea9e185b76 Mon Sep 17 00:00:00 2001
From: Jamie Mansfield <jmansfield@cadixdev.org>
Date: Fri, 18 Jun 2021 23:21:12 +0100
Subject: [PATCH] GH-3033 Add filtering for version components

---
 application/pages/instance/ModFolderPage.cpp |  2 +-
 application/pages/instance/VersionPage.cpp   | 20 +++++++++++++++++---
 application/pages/instance/VersionPage.h     |  4 +++-
 application/pages/instance/VersionPage.ui    | 18 ++++++++++++++++++
 4 files changed, 39 insertions(+), 5 deletions(-)

diff --git a/application/pages/instance/ModFolderPage.cpp b/application/pages/instance/ModFolderPage.cpp
index c3d6483a..98f20e77 100644
--- a/application/pages/instance/ModFolderPage.cpp
+++ b/application/pages/instance/ModFolderPage.cpp
@@ -163,7 +163,7 @@ ModFolderPage::ModFolderPage(
 
     auto smodel = ui->modTreeView->selectionModel();
     connect(smodel, &QItemSelectionModel::currentChanged, this, &ModFolderPage::modCurrent);
-    connect(ui->filterEdit, &QLineEdit::textChanged, this, &ModFolderPage::on_filterTextChanged );
+    connect(ui->filterEdit, &QLineEdit::textChanged, this, &ModFolderPage::on_filterTextChanged);
     connect(m_inst, &BaseInstance::runningStatusChanged, this, &ModFolderPage::on_RunningState_changed);
 }
 
diff --git a/application/pages/instance/VersionPage.cpp b/application/pages/instance/VersionPage.cpp
index 7f7ba860..eff12c9c 100644
--- a/application/pages/instance/VersionPage.cpp
+++ b/application/pages/instance/VersionPage.cpp
@@ -120,7 +120,15 @@ VersionPage::VersionPage(MinecraftInstance *inst, QWidget *parent)
 
     auto proxy = new IconProxy(ui->packageView);
     proxy->setSourceModel(m_profile.get());
-    ui->packageView->setModel(proxy);
+
+    m_filterModel = new QSortFilterProxyModel();
+    m_filterModel->setDynamicSortFilter(true);
+    m_filterModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
+    m_filterModel->setSortCaseSensitivity(Qt::CaseInsensitive);
+    m_filterModel->setSourceModel(proxy);
+    m_filterModel->setFilterKeyColumn(-1);
+
+    ui->packageView->setModel(m_filterModel);
     ui->packageView->installEventFilter(this);
     ui->packageView->setSelectionMode(QAbstractItemView::SingleSelection);
     ui->packageView->setContextMenuPolicy(Qt::CustomContextMenu);
@@ -134,7 +142,8 @@ VersionPage::VersionPage(MinecraftInstance *inst, QWidget *parent)
     updateVersionControls();
     preselect(0);
     connect(m_inst, &BaseInstance::runningStatusChanged, this, &VersionPage::updateRunningStatus);
-    connect(ui->packageView, &ModListView::customContextMenuRequested, this, &VersionPage::ShowContextMenu);
+    connect(ui->packageView, &ModListView::customContextMenuRequested, this, &VersionPage::showContextMenu);
+    connect(ui->filterEdit, &QLineEdit::textChanged, this, &VersionPage::onFilterTextChanged);
 }
 
 VersionPage::~VersionPage()
@@ -142,7 +151,7 @@ VersionPage::~VersionPage()
     delete ui;
 }
 
-void VersionPage::ShowContextMenu(const QPoint& pos)
+void VersionPage::showContextMenu(const QPoint& pos)
 {
     auto menu = ui->toolBar->createContextMenu(this, tr("Context menu"));
     menu->exec(ui->packageView->mapToGlobal(pos));
@@ -620,5 +629,10 @@ void VersionPage::on_actionRevert_triggered()
     m_container->refreshContainer();
 }
 
+void VersionPage::onFilterTextChanged(const QString &newContents)
+{
+    m_filterModel->setFilterFixedString(newContents);
+}
+
 #include "VersionPage.moc"
 
diff --git a/application/pages/instance/VersionPage.h b/application/pages/instance/VersionPage.h
index dbd9c1ee..b5b4a6f5 100644
--- a/application/pages/instance/VersionPage.h
+++ b/application/pages/instance/VersionPage.h
@@ -86,6 +86,7 @@ protected:
 
 private:
     Ui::VersionPage *ui;
+    QSortFilterProxyModel *m_filterModel;
     std::shared_ptr<PackProfile> m_profile;
     MinecraftInstance *m_inst;
     int currentIdx = 0;
@@ -98,5 +99,6 @@ private slots:
     void updateRunningStatus(bool running);
     void onGameUpdateError(QString error);
     void packageCurrent(const QModelIndex &current, const QModelIndex &previous);
-    void ShowContextMenu(const QPoint &pos);
+    void showContextMenu(const QPoint &pos);
+    void onFilterTextChanged(const QString & newContents);
 };
diff --git a/application/pages/instance/VersionPage.ui b/application/pages/instance/VersionPage.ui
index 718ad067..84d06e2e 100644
--- a/application/pages/instance/VersionPage.ui
+++ b/application/pages/instance/VersionPage.ui
@@ -45,6 +45,24 @@
         </attribute>
        </widget>
       </item>
+      <item>
+       <layout class="QGridLayout" name="gridLayout_2">
+        <item row="0" column="1">
+         <widget class="QLineEdit" name="filterEdit">
+          <property name="clearButtonEnabled">
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="0">
+         <widget class="QLabel" name="filterLabel">
+          <property name="text">
+           <string>Filter:</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
       <item>
        <widget class="MCModInfoFrame" name="frame">
         <property name="sizePolicy">