diff --git a/app.py b/app.py
index f02de50..f864584 100644
--- a/app.py
+++ b/app.py
@@ -7,7 +7,7 @@ import extract
 from PyQt5 import uic
 from PyQt5.QtGui import QTextCursor, QStandardItemModel, QStandardItem
 from PyQt5.QtWidgets import QMessageBox, QMainWindow, QApplication, QFileDialog, QHeaderView
-from PyQt5.QtCore import QObject, pyqtSignal, pyqtSlot, QThread, QMetaType
+from PyQt5.QtCore import QObject, pyqtSignal, pyqtSlot, QThread, QMetaType, Qt
 
 QMetaType.type('QTextCursor')
 
@@ -37,14 +37,17 @@ class BackgroundWorker(QObject):
 	def __init__(self, action, folders, _map, _format):
 		super().__init__()
 		self.action = action
+		# TODO: dynamic args depending on action
 		self.folders = folders
 		self.map = _map
 		self.format = _format
 
 	def run(self):
-		fileStructure = extract.WwiseExtract(self.map, "mp3", *self.folders, progress="").load_folder()
-
-		self.finished.emit(fileStructure)
+		if self.action == "load":
+			print("Loading files and mapping if necessary...")
+			fileStructure = extract.WwiseExtract(self.map, "mp3", *self.folders, progress=self.progress.emit).load_folder()
+			print("Done !")
+			self.finished.emit({"action": "load", "content": fileStructure})
 
 class AnimeWwise(QMainWindow):
 	def __init__(self):
@@ -62,8 +65,6 @@ class AnimeWwise(QMainWindow):
 		# utils
 		self.selectFolder = lambda: QFileDialog.getExistingDirectory(self, "Select Folder")
 
-		# self.updateTreeView()
-
 	def setFolder(self, elem, folder):
 		path = self.selectFolder()
 		self.folders[folder] = path
@@ -77,7 +78,13 @@ class AnimeWwise(QMainWindow):
 		self.outputFormat.addItems(["mp3", "ogg"])
 		self.assetMap.addItems(["No map", *[f'{e["game"]} - v{e["version"]}' for e in self.maps["maps"]]])
 
-		self.startButton.clicked.connect(lambda: self.start())
+		self.tabs.setTabEnabled(1, False)
+		self.tabs.setTabEnabled(2, False)
+
+		self.loadFilesButton.clicked.connect(lambda: self.start())
+
+		self.actionClearTreeView.triggered.connect(lambda: self.resetTreeView())
+		self.actionExit.triggered.connect(lambda: self.close())
 
 	def getMaps(self):
 		with open("maps/index.json", "r") as f:
@@ -104,6 +111,9 @@ class AnimeWwise(QMainWindow):
 		else:
 			_map = None
 
+		self.tabs.setTabEnabled(0, False)
+		self.resetTreeView()
+
 		self.extractThread = QThread()
 		self.extractWorker = BackgroundWorker("load", self.folders, _map, self.outputFormat.currentText())
 		self.extractWorker.moveToThread(self.extractThread)
@@ -118,9 +128,12 @@ class AnimeWwise(QMainWindow):
 
 	@pyqtSlot(dict)
 	def handleFinished(self, data):
-		self.fileStructure = data
-		self.updateTreeView()
-		self.tabs.setCurrentIndex(1)
+		if data["action"] == "load":
+			self.fileStructure = data["content"]
+			self.updateTreeView()
+			self.tabs.setTabEnabled(0, True)
+			self.tabs.setTabEnabled(1, True)
+			self.tabs.setCurrentIndex(1)
 
 	def _appendText(self, text):
 		cursor = self.console.textCursor()
@@ -129,9 +142,15 @@ class AnimeWwise(QMainWindow):
 		self.console.setTextCursor(cursor)
 		self.console.ensureCursorVisible()
 
+	def resetTreeView(self):
+		model = QStandardItemModel()
+		self.treeView.setModel(model)
+		self.tabs.setTabEnabled(1, False)
+
 	def updateTreeView(self):
 		model = QStandardItemModel()
 		model.setHorizontalHeaderLabels(["Name", "Offset", "Size"])
+		# TODO: non swappable columns
 
 		root_item = model.invisibleRootItem()
 		self.addItems(root_item, self.fileStructure)
@@ -147,11 +166,15 @@ class AnimeWwise(QMainWindow):
 		for folder_name in sorted(element.get("folders", {}).keys()):
 			folder_content = element["folders"][folder_name]
 			folder_item = QStandardItem(folder_name)
+			folder_item.setCheckable(True)
+			# folder_item.setTristate(True)
 			parent.appendRow([folder_item, QStandardItem(""), QStandardItem("")])
 			self.addItems(folder_item, folder_content)
 
 		for file in sorted(element.get("files", [])):
-			parent.appendRow([QStandardItem(str(e)) for e in file])
+			file_item = QStandardItem(str(file[0]))
+			file_item.setCheckable(True)
+			parent.appendRow([file_item, QStandardItem(str(file[1])), QStandardItem(str(file[2]))])
 
 if __name__ == "__main__":
 	app = QApplication(sys.argv)
diff --git a/gui.ui b/gui.ui
index a5ddc06..91da4e8 100644
--- a/gui.ui
+++ b/gui.ui
@@ -56,12 +56,12 @@
     <property name="tabBarAutoHide">
      <bool>false</bool>
     </property>
-    <widget class="QWidget" name="extractTab">
+    <widget class="QWidget" name="configTab">
      <property name="enabled">
       <bool>true</bool>
      </property>
      <attribute name="title">
-      <string>Extract</string>
+      <string>Config</string>
      </attribute>
      <widget class="QWidget" name="verticalLayoutWidget">
       <property name="geometry">
@@ -161,6 +161,16 @@
        </item>
        <item>
         <layout class="QGridLayout" name="settingsGrid">
+         <item row="2" column="0">
+          <widget class="QLabel" name="outputFormatLabel">
+           <property name="text">
+            <string>Output format</string>
+           </property>
+          </widget>
+         </item>
+         <item row="0" column="1">
+          <widget class="QComboBox" name="assetMap"/>
+         </item>
          <item row="0" column="0">
           <widget class="QLabel" name="assetMapLabel">
            <property name="text">
@@ -168,13 +178,24 @@
            </property>
           </widget>
          </item>
-         <item row="0" column="1">
-          <widget class="QComboBox" name="assetMap"/>
+         <item row="2" column="1">
+          <widget class="QComboBox" name="outputFormat">
+           <property name="currentText">
+            <string/>
+           </property>
+          </widget>
          </item>
         </layout>
        </item>
        <item>
-        <widget class="QPushButton" name="startButton">
+        <widget class="Line" name="separatorB">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="loadFilesButton">
          <property name="text">
           <string>Load file(s)</string>
          </property>
@@ -198,9 +219,9 @@
       </property>
      </widget>
     </widget>
-    <widget class="QWidget" name="tab_3">
+    <widget class="QWidget" name="extractTab">
      <attribute name="title">
-      <string>Page</string>
+      <string>Extract</string>
      </attribute>
      <widget class="QWidget" name="layoutWidget">
       <property name="geometry">
@@ -250,32 +271,6 @@
        </item>
       </layout>
      </widget>
-     <widget class="QComboBox" name="outputFormat">
-      <property name="geometry">
-       <rect>
-        <x>529</x>
-        <y>400</y>
-        <width>261</width>
-        <height>22</height>
-       </rect>
-      </property>
-      <property name="currentText">
-       <string/>
-      </property>
-     </widget>
-     <widget class="QLabel" name="outputFormatLabel">
-      <property name="geometry">
-       <rect>
-        <x>260</x>
-        <y>400</y>
-        <width>262</width>
-        <height>22</height>
-       </rect>
-      </property>
-      <property name="text">
-       <string>Output format</string>
-      </property>
-     </widget>
     </widget>
    </widget>
    <widget class="QTextEdit" name="console">
@@ -317,10 +312,14 @@
     <property name="title">
      <string>File</string>
     </property>
-    <addaction name="actionnot_working_here_yet"/>
-    <addaction name="actionclear_table"/>
+    <addaction name="actionClearTreeView"/>
+    <addaction name="separator"/>
+    <addaction name="actionExit"/>
    </widget>
    <widget class="QMenu" name="menuExtract">
+    <property name="enabled">
+     <bool>false</bool>
+    </property>
     <property name="title">
      <string>Extract</string>
     </property>
@@ -337,17 +336,22 @@
   </action>
   <action name="actionall">
    <property name="text">
-    <string>all</string>
+    <string>All files</string>
    </property>
   </action>
   <action name="actionselected">
    <property name="text">
-    <string>selected</string>
+    <string>Selected files</string>
    </property>
   </action>
-  <action name="actionclear_table">
+  <action name="actionClearTreeView">
    <property name="text">
-    <string>clear table</string>
+    <string>Clear Table</string>
+   </property>
+  </action>
+  <action name="actionExit">
+   <property name="text">
+    <string>Exit</string>
    </property>
   </action>
  </widget>
@@ -358,7 +362,7 @@
   <tabstop>changeAltInput</tabstop>
   <tabstop>outputPath</tabstop>
   <tabstop>changeOutput</tabstop>
-  <tabstop>startButton</tabstop>
+  <tabstop>loadFilesButton</tabstop>
   <tabstop>tabs</tabstop>
  </tabstops>
  <resources/>