From ea87abcb9771bbe734cfa67d373b5fc8a35cc7a6 Mon Sep 17 00:00:00 2001
From: Nao Pross <np@0hm.ch>
Date: Mon, 9 Nov 2020 00:42:58 +0100
Subject: Implement download path selection

---
 gui.py    | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 muddle.ui | 33 ++++++++++++++++++++-------------
 2 files changed, 76 insertions(+), 15 deletions(-)

diff --git a/gui.py b/gui.py
index b2fc552..3cb1474 100644
--- a/gui.py
+++ b/gui.py
@@ -18,6 +18,7 @@ from PyQt5.Qt import QStyle
 
 from PyQt5.QtCore import (
     Qt,
+    QDir,
     QThread,
     pyqtSlot,
     pyqtSignal,
@@ -41,7 +42,9 @@ from PyQt5.QtWidgets import (
     QLineEdit,
     QProgressBar,
     QTabWidget,
-    QPlainTextEdit
+    QPlainTextEdit,
+    QFileSystemModel,
+    QFileDialog,
 )
 
 import moodle
@@ -179,7 +182,7 @@ class MoodleTreeWidget(QTreeWidget):
     def refresh(self, instance_url, token):
         if not self.worker or self.worker.isFinished():
             self.setSortingEnabled(False)
-            # TODO: remove elements if present
+            self.clear()
 
             self.worker = MoodleFetcher(self, instance_url, token)
             self.worker.loadedItem.connect(self.onWorkerLoadedItem)
@@ -290,6 +293,25 @@ class MuddleWindow(QMainWindow):
         searchBar = self.findChild(QLineEdit, "searchBar")
         searchBar.textChanged.connect(self.onSearchBarTextChanged)
 
+        # local filesystem view
+        self.downloadPath = QDir.homePath()
+
+        self.fileSystemModel = QFileSystemModel()
+        self.fileSystemModel.setRootPath(QDir.homePath())
+
+        localTreeView = self.findChild(QTreeView, "localTab")
+        localTreeView.setModel(self.fileSystemModel)
+        localTreeView.setRootIndex(self.fileSystemModel.index(QDir.homePath()))
+        localTreeView.setColumnWidth(0, 240)
+
+        downloadPathEdit = self.findChild(QLineEdit, "downloadPathEdit")
+        downloadPathEdit.setText(self.downloadPath)
+        downloadPathEdit.editingFinished.connect(self.onDownloadPathEditEditingFinished)
+
+        # select path
+        selectPathBtn = self.findChild(QToolButton, "selectPathBtn")
+        selectPathBtn.clicked.connect(self.onSelectPathBtnClicked)
+
         self.show()
 
     @pyqtSlot(str)
@@ -303,6 +325,38 @@ class MuddleWindow(QMainWindow):
     def onNewLogMessage(self, msg):
         self.findChild(QPlainTextEdit, "logsTab").appendPlainText(msg)
 
+    @pyqtSlot()
+    def onDownloadPathEditEditingFinished(self):
+        downloadPathEdit = self.findChild(QLineEdit, "downloadPathEdit")
+        path = downloadPathEdit.text()
+
+        if not self.updateDownloadPath(path):
+            downloadPathEdit.setText(self.downloadPath)
+
+    @pyqtSlot()
+    def onSelectPathBtnClicked(self):
+        path = QFileDialog.getExistingDirectory(
+                self, "Select Download Directory",
+                self.downloadPath, QFileDialog.ShowDirsOnly | QFileDialog.DontResolveSymlinks)
+
+        if not path:
+            return
+
+        self.updateDownloadPath(path)
+
+    @pyqtSlot()
+    def updateDownloadPath(self, newpath):
+        if not self.fileSystemModel.index(newpath).isValid():
+            return False
+
+        self.downloadPath = newpath
+
+        downloadPathEdit = self.findChild(QLineEdit, "downloadPathEdit")
+        localTreeView = self.findChild(QTreeView, "localTab")
+
+        downloadPathEdit.setText(self.downloadPath)
+        localTreeView.setRootIndex(self.fileSystemModel.index(self.downloadPath))
+
 
 def start(instance_url, token):
     app = QApplication(sys.argv)
diff --git a/muddle.ui b/muddle.ui
index 9737c7a..b9b0414 100644
--- a/muddle.ui
+++ b/muddle.ui
@@ -40,7 +40,7 @@
      <item row="2" column="0">
       <widget class="QLineEdit" name="downloadPathEdit">
        <property name="enabled">
-        <bool>false</bool>
+        <bool>true</bool>
        </property>
       </widget>
      </item>
@@ -87,7 +87,7 @@
      <item row="2" column="1">
       <widget class="QToolButton" name="selectPathBtn">
        <property name="enabled">
-        <bool>false</bool>
+        <bool>true</bool>
        </property>
        <property name="text">
         <string>Select</string>
@@ -103,20 +103,10 @@
      </item>
     </layout>
    </widget>
-   <widget class="QTreeWidget" name="localTab">
+   <widget class="QTreeView" name="localTab">
     <attribute name="title">
      <string>Local</string>
     </attribute>
-    <column>
-     <property name="text">
-      <string notr="true">Name</string>
-     </property>
-    </column>
-    <column>
-     <property name="text">
-      <string>Size</string>
-     </property>
-    </column>
    </widget>
    <widget class="QPlainTextEdit" name="logsTab">
     <property name="sizePolicy">
@@ -195,6 +185,23 @@
           </property>
          </widget>
         </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="defaultDownloadPathLabel">
+          <property name="text">
+           <string>Default download path</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="1">
+         <widget class="QCheckBox" name="checkBox">
+          <property name="text">
+           <string>Always start GUI</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="1">
+         <widget class="QLineEdit" name="defaltDownloadPathEdit"/>
+        </item>
        </layout>
       </widget>
      </item>
-- 
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