Start on import wizard and move JSON wrappers into NostalgiaStudio library

src/nostalgia/studio/lib/wizard.hpp

@@ -0,0 +1,111 @@
+/*
+ * Copyright 2016-2017 gtalent2@gmail.com
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <functional>
+#include <QDir>
+#include <QGridLayout>
+#include <QLabel>
+#include <QListWidget>
+#include <QMap>
+#include <QVector>
+#include <QWizard>
+
+namespace nostalgia {
+namespace studio {
+
+class WizardSelect: public QWizardPage {
+	Q_OBJECT
+
+	private:
+		QMap<QString, std::function<QVector<QWizardPage*>()>> m_options;
+		QListWidget *m_listWidget = nullptr;
+		bool m_complete = false;
+
+	public:
+		WizardSelect();
+
+		void addOption(QString name, std::function<QVector<QWizardPage*>()> makePage);
+
+		void initializePage() override;
+
+		bool isComplete() const override;
+
+	private slots:
+		void itemSelected(int row);
+};
+
+
+class WizardFormPage: public QWizardPage {
+	Q_OBJECT
+	private:
+		struct Field {
+			QString defaultValue = "";
+			QString value = "";
+			QLineEdit *lineEdit = nullptr;
+			std::function<int(QString)> validator;
+		};
+		QLabel *m_errorMsg = nullptr;
+		QGridLayout *m_layout = nullptr;
+		QVector<QLayout*> m_subLayout;
+		QMap<QString, Field> m_fields;
+		int m_currentLine = 0;
+		int m_validFields = 0;
+
+	public:
+		WizardFormPage();
+
+		~WizardFormPage();
+
+		void initializePage() override;
+
+		bool validatePage() override;
+
+		void addLineEdit(QString displayName, QString fieldName,
+                       QString defaultVal = "",
+							  std::function<int(QString)> validator = [](QString) { return 0; });
+
+		void addDirBrowse(QString displayName, QString fieldName, QString defaultVal = QDir::homePath());
+
+		void showValidationError(QString msg);
+};
+
+
+class WizardConclusionPage: public QWizardPage {
+	Q_OBJECT
+	private:
+		QString m_baseMsg = "";
+		QLabel *m_text = nullptr;
+		QVector<QString> m_fields;
+
+	public:
+		WizardConclusionPage(QString msg, QVector<QString> field);
+
+		virtual ~WizardConclusionPage();
+
+		void initializePage() override;
+};
+
+
+class Wizard: public QWizard {
+	Q_OBJECT
+
+	private:
+		std::function<void()> m_acceptFunc;
+
+	public:
+		Wizard(QString windowTitle, QWidget *parent = 0);
+
+		void setAccept(std::function<void()> acceptFunc);
+
+		void accept();
+};
+
+}
+}