Improvement: initial implementation of profiles json IO.

app/app.pro

@@ -2,7 +2,12 @@ QT += qml quick widgets sql
 TARGET = cool-retro-term 
 
 DESTDIR = $$OUT_PWD/../
-SOURCES = main.cpp
+
+HEADERS += \
+    fileio.h
+
+SOURCES = main.cpp \
+    fileio.cpp
 
 macx:ICON = icons/crt.icns
 

app/fileio.cpp

@@ -0,0 +1,37 @@
+#include "fileio.h"
+
+FileIO::FileIO()
+{
+}
+
+bool FileIO::write(const QString& sourceUrl, const QString& data) {
+    if (sourceUrl.isEmpty())
+        return false;
+
+    QUrl url(sourceUrl);
+    QFile file(url.toLocalFile());
+    if (!file.open(QFile::WriteOnly | QFile::Truncate))
+        return false;
+
+    QTextStream out(&file);
+    out << data;
+    file.close();
+    return true;
+}
+
+QString FileIO::read(const QString& sourceUrl) {
+    if (sourceUrl.isEmpty())
+        return "";
+
+    QUrl url(sourceUrl);
+    QFile file(url.toLocalFile());
+    if (!file.open(QFile::ReadOnly))
+        return "";
+
+    QTextStream in(&file);
+    QString result = in.readAll();
+
+    file.close();
+
+    return result;
+}

app/fileio.h

@@ -0,0 +1,21 @@
+#ifndef FILEIO_H
+#define FILEIO_H
+
+#include <QObject>
+#include <QFile>
+#include <QTextStream>
+#include <QUrl>
+
+class FileIO : public QObject
+{
+    Q_OBJECT
+
+public:
+    FileIO();
+
+public slots:
+    bool write(const QString& sourceUrl, const QString& data);
+    QString read(const QString& sourceUrl);
+};
+
+#endif // FILEIO_H

app/main.cpp

@@ -9,6 +9,7 @@
 #include <QDebug>
 #include <stdlib.h>
 
+#include <fileio.h>
 
 QString getNamedArgument(QStringList args, QString name, QString defaultName)
 {
@@ -26,6 +27,7 @@ int main(int argc, char *argv[])
     setenv("QT_QPA_PLATFORMTHEME", "", 1);
     QApplication app(argc, argv);
     QQmlApplicationEngine engine;
+    FileIO fileIO;
 
     // Manage command line arguments from the cpp side
     QStringList args = app.arguments();
@@ -52,6 +54,7 @@ int main(int argc, char *argv[])
     engine.rootContext()->setContextProperty("defaultCmdArgs", commandArgs);
 
     engine.rootContext()->setContextProperty("workdir", getNamedArgument(args, "--workdir", "$HOME"));
+    engine.rootContext()->setContextProperty("fileIO", &fileIO);
 
     // Manage import paths for Linux and OSX.
     QStringList importPathList = engine.importPathList();

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;
+                        }
+                    }
                 }
             }
         }