Improvement: initial implementation of profiles json IO.

app/qml/ApplicationSettings.qml

@@ -208,7 +208,7 @@ QtObject{
         return stringify(settings);
     }
 
-    function composeProfileString(){
+    function composeProfileObject(){
         var settings = {
             backgroundColor: _backgroundColor,
             fontColor: _fontColor,
@@ -232,7 +232,11 @@ QtObject{
             fontName: fontNames[rasterization],
             fontWidth: fontWidth
         }
-        return stringify(settings);
+        return settings;
+    }
+
+    function composeProfileString() {
+        return stringify(composeProfileObject());
     }
 
     function loadSettings(){

app/qml/SettingsGeneralTab.qml

@@ -21,6 +21,7 @@
 import QtQuick 2.2
 import QtQuick.Controls 1.1
 import QtQuick.Layouts 1.1
+import QtQuick.Dialogs 1.1
 
 Tab{
     ColumnLayout{
@@ -77,10 +78,62 @@ Tab{
                             profilesView.activated(currentIndex);
                         }
                     }
+                    Button{
+                        text: qsTr("Import")
+                        onClicked: {
+                            fileDialog.selectExisting = true;
+                            fileDialog.callBack = function (url) {loadFile(url);};
+                            fileDialog.open();
+                        }
+                        function loadFile(url) {
+                            if (true)
+                                console.log("Loading file: " + url);
+                            var profileStirng = fileIO.read(url);
+                            appSettings.loadProfileString(profileStirng);
+                        }
+                    }
+                    Button{
+                        text: qsTr("Export")
+                        onClicked: {
+                            fileDialog.selectExisting = false;
+                            fileDialog.callBack = function (url) {storeFile(url);};
+                            fileDialog.open();
+                        }
+                        function storeFile(url) {
+                            if (true)
+                                console.log("Storing file: " + url);
+                            var profileObject = appSettings.composeProfileObject();
+                            fileIO.write(url, JSON.stringify(profileObject, undefined, 2));
+                        }
+                    }
                     InsertNameDialog{
                         id: insertname
                         onNameSelected: appSettings.addNewCustomProfile(name)
                     }
+                    Loader {
+                        property var callBack
+                        property bool selectExisting: false
+                        id: fileDialog
+
+                        sourceComponent: FileDialog{
+                            nameFilters: ["Json files (*.json)"]
+                            selectMultiple: false
+                            selectFolder: false
+                            selectExisting: fileDialog.selectExisting
+                            onAccepted: callBack(fileUrl);
+                        }
+
+                        onSelectExistingChanged: reload()
+
+                        function open() {
+                            item.open();
+                        }
+
+                        function reload() {
+                            active = false;
+                            active = true;
+                        }
+                    }
                 }
             }
         }