Clean up and formatting.

ExpandableItemDelegate.qml

@@ -184,7 +184,7 @@ Item {
                 ComboBox {
                     // TODO use model from metadata.h (in some way)
                     model: ["A", "B", "C", ""]
-                    // BUG type will probably not been updated due to undo/redo step
+                    // BUG type is not been updated due to undo/redo step
                     currentIndex: find(item.type)
                     Component.onCompleted: currentIndex = find(item.type)
                     onCurrentTextChanged: {

Main.qml

@@ -4,19 +4,18 @@ import QtQuick.Layouts
 import QtQml.Models
 
 Window {
+    id: window
+    property bool discardChangesOnExit: false
     property bool isDataModified: !appUndoStack.isClean
 
     property string titleClean: `${Application.name}`
     property string titleDirty: `${Application.name}` + " *"
-
-    id: window
     width: 480
     height: 800
     visible: true
     title: appUndoStack.clean ? titleClean : titleDirty
 
     property int fontSize: 16
-
     property color textColor: "black"
 
     property color wccDarkDark: "#010101"
@@ -36,17 +35,54 @@ Window {
         anchors.fill: parent
     }
 
-    Component.onCompleted: {
-        // core.displayStatusMessage.connect(displayStatusMessage)
-        appUndoStack.cleanChanged.connect(cleanChanged)
-        // core.userConfigChanged.connect(onUserConfigChanged)
+    // Component.onCompleted: {
+    //     // core.displayStatusMessage.connect(displayStatusMessage)
+    //     appUndoStack.cleanChanged.connect(cleanChanged)
+    //     // core.userConfigChanged.connect(onUserConfigChanged)
+    // }
+
+    // function cleanChanged() {
+    //     let clean = appUndoStack.clean
+    //     console.debug("Clean state changed to: " + clean)
+    //     // if (!clean) {
+    //     //     footerText.text = ""
+    //     // }
+    // }
+    onClosing: event => {
+        if (appUndoStack.clean) {
+            console.debug("Closing on a clean undo stack.");
+        } else {
+            console.debug("Closing on an unclean undo stack!");
+            if (!window.discardChangesOnExit) {
+                event.accepted = false;
+                exitOnUnsavedChangesDialog.open();
+            }
+        }
     }
 
-    function cleanChanged() {
-        let clean = appUndoStack.clean
-        console.debug("Clean state changed to: " + clean)
-        // if (!clean) {
-        //     footerText.text = ""
-        // }
+    Dialog {
+        id: exitOnUnsavedChangesDialog
+        title: "Unsaved Changes"
+        modal: false
+        anchors.centerIn: parent
+        width: 300
+        standardButtons: Dialog.Yes | Dialog.Cancel | Dialog.Discard
+
+        contentItem: Label {
+            text: "Do you want save your changes?\n" + "Or discard them?"
+        }
+
+        onAccepted: {
+            core.saveItems();
+            window.close();
+        }
+
+        onDiscarded: {
+            window.discardChangesOnExit = true;
+            window.close();
+        }
+        onRejected: {
+            console.debug("Canceling exit...");
+        }
     }
 }