Add validation to the new project wizard

src/studio/lib/CMakeLists.txt

@@ -9,17 +9,21 @@ add_library(
 	NostalgiaStudio
 	SHARED
 		newwizard.cpp
+		project.cpp
 )
 
 target_link_libraries(
 	NostalgiaStudio
 		Qt5::Core
 		Qt5::Widgets
+		${OxFS_LIBRARY}
+		${OxStd_LIBRARY}
 )
 
 install(
 	FILES
 		newwizard.hpp
+		project.hpp
 	DESTINATION
 		include/nostalgia/studio/lib
 )

src/studio/lib/newwizard.cpp

@@ -6,7 +6,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#include <iostream>
+#include <QFileDialog>
 #include <QHBoxLayout>
 #include <QLabel>
 #include <QLineEdit>
@@ -18,16 +18,22 @@
 namespace nostalgia {
 namespace studio {
 
-using namespace std;
-
 WizardSelect::WizardSelect() {
 	m_listWidget = new QListWidget(this);
 	auto layout = new QVBoxLayout(this);
 	layout->addWidget(m_listWidget);
 	setLayout(layout);
 
-	connect(m_listWidget, &QListWidget::activated, this, &WizardSelect::itemSelected);
-	connect(m_listWidget, &QListWidget::clicked, this, &WizardSelect::itemSelected);
+	connect(m_listWidget, &QListWidget::currentRowChanged, this, &WizardSelect::itemSelected);
+	connect(m_listWidget, &QListWidget::itemSelectionChanged, [this]() {
+			m_complete = true;
+			emit completeChanged();
+		}
+	);
+	connect(m_listWidget, &QListWidget::doubleClicked, [this]() {
+			wizard()->next();
+		}
+	);
 }
 
 void WizardSelect::initializePage() {
@@ -44,16 +50,12 @@ bool WizardSelect::isComplete() const {
 	return m_complete;
 }
 
-bool WizardSelect::isFinalPage() const {
-	return false;
-}
-
 int WizardSelect::nextId() const {
 	return m_nextId;
 }
 
-void WizardSelect::itemSelected(const QModelIndex &idx) {
-	m_complete = true;
+void WizardSelect::itemSelected(int row) {
+	if (row > -1) {
 		auto w = wizard();
 
 		if (nextId() > -1) {
@@ -68,56 +70,154 @@ void WizardSelect::itemSelected(const QModelIndex &idx) {
 			w->removePage(nextId());
 			m_nextId = w->addPage(m_options[selected]());
 		}
+	}
 }
 
 
-
-Wizard::FormPage::FormPage() {
+WizardFormPage::WizardFormPage() {
 	m_layout = new QGridLayout(this);
 	m_layout->setColumnMinimumWidth(0, 20);
 	this->setLayout(m_layout);
 }
 
-Wizard::FormPage::~FormPage() {
+WizardFormPage::~WizardFormPage() {
 	for (auto l : m_subLayout) {
 		delete l;
 	}
 }
 
-void Wizard::FormPage::addLineEdit(QString displayName, QString fieldName) {
+void WizardFormPage::initializePage() {
+	for (auto it = m_fields.begin(); it != m_fields.end(); it++) {
+		auto key = it.key();
+		auto le = m_fields[key].lineEdit;
+		auto defaultVal = it.value().defaultValue;
+		if (le) {
+			le->setText(defaultVal);
+		}
+	}
+}
+
+bool WizardFormPage::validatePage() {
+	bool retval = true;
+
+	// check validators
+	for (auto f : m_fields) {
+		if (f.validator != nullptr) {
+			if (f.validator(f.lineEdit->text()) != 0) {
+				retval = false;
+				break;
+			}
+		}
+	}
+
+	// clear error
+	if (retval) {
+		showValidationError("");
+	}
+
+	return retval;
+}
+
+void WizardFormPage::addLineEdit(QString displayName, QString fieldName, QString defaultVal) {
 	auto lbl = new QLabel(displayName, this);
 	auto le = new QLineEdit(this);
 	lbl->setBuddy(le);
 
-	m_layout->addWidget(lbl, currentLine, 0);
-	m_layout->addWidget(le, currentLine, 1);
+	m_layout->addWidget(lbl, m_currentLine, 0);
+	m_layout->addWidget(le, m_currentLine, 1);
+
+	m_fields[fieldName].defaultValue = defaultVal;
+	m_fields[fieldName].lineEdit = le;
 
 	registerField(fieldName, le);
 
-	currentLine++;
+	connect(le, &QLineEdit::textChanged, [this, fieldName, le](QString txt) {
+			if (m_fields[fieldName].value == "" && txt != "") {
+				m_validFields++;
+			} else if (m_fields[fieldName].value != "" && txt == "") {
+				m_validFields--;
+			}
+			m_fields[fieldName].value = txt;
+			emit completeChanged();
+		}
+	);
+
+	m_currentLine++;
 }
 
-void Wizard::FormPage::addFileBrowse(QString displayName, QString fieldName, QString defaultVal) {
+void WizardFormPage::addDirBrowse(QString displayName, QString fieldName, QString defaultVal) {
 	auto layout = new QHBoxLayout();
 	auto lbl = new QLabel(displayName, this);
-	auto le = new QLineEdit(this);
+	auto le = new QLineEdit("", this);
 	auto btn = new QPushButton("Browse...", this);
 	lbl->setBuddy(le);
 
 	layout->addWidget(le);
 	layout->addWidget(btn);
-	m_layout->addWidget(lbl, currentLine, 0);
-	m_layout->addLayout(layout, currentLine, 1);
+	m_layout->addWidget(lbl, m_currentLine, 0);
+	m_layout->addLayout(layout, m_currentLine, 1);
 
 	m_subLayout.push_back(layout);
+	m_fields[fieldName].defaultValue = defaultVal;
+	m_fields[fieldName].lineEdit = le;
+	m_fields[fieldName].validator = [this](QString path) {
+		if (!QDir(path).exists()) {
+			showValidationError(tr("Specified Project Path directory does not exist."));
+			return 1;
+		} else {
+			return 0;
+		}
+	};
+
 	registerField(fieldName, le);
 
-	currentLine++;
+	connect(le, &QLineEdit::textChanged, [this, fieldName, le](QString txt) {
+			if (m_fields[fieldName].value == "" && txt != "") {
+				m_validFields++;
+			} else if (m_fields[fieldName].value != "" && txt == "") {
+				m_validFields--;
+			}
+			m_fields[fieldName].value = txt;
+			emit completeChanged();
+		}
+	);
+
+	connect(btn, &QPushButton::clicked, [this, defaultVal, le]() {
+			auto p = QFileDialog::getExistingDirectory(this, tr("Select Directory..."), defaultVal);
+			if (p != "") {
+				le->setText(p);
+			}
+		}
+	);
+
+	m_currentLine++;
+}
+
+void WizardFormPage::showValidationError(QString msg) {
+	// create label if it is null
+	if (!m_errorMsg) {
+		m_errorMsg = new QLabel(this);
+		m_layout->addWidget(m_errorMsg, m_currentLine, 0, m_currentLine, 2);
+
+		// set text color
+		auto pal = m_errorMsg->palette();
+		pal.setColor(m_errorMsg->backgroundRole(), Qt::red);
+		pal.setColor(m_errorMsg->foregroundRole(), Qt::red);
+		m_errorMsg->setPalette(pal);
+	}
+
+	// set message
+	if (msg != "") {
+		m_errorMsg->setText(tr("Error: ") + msg);
+	} else {
+		m_errorMsg->setText("");
+	}
 }
 
 
 Wizard::Wizard(QWidget *parent): QWizard(parent) {
 	setWindowTitle(tr("New..."));
+	setModal(true);
 }
 
 }

src/studio/lib/newwizard.hpp

@@ -9,7 +9,9 @@
 #pragma once
 
 #include <functional>
+#include <QDir>
 #include <QGridLayout>
+#include <QLabel>
 #include <QListWidget>
 #include <QMap>
 #include <QVector>
@@ -30,41 +32,54 @@ class WizardSelect: public QWizardPage {
 	public:
 		WizardSelect();
 
-		void initializePage();
-
 		void addOption(QString name, std::function<QWizardPage*()> makePage);
 
-		bool isComplete() const;
+		void initializePage() override;
 
-		bool isFinalPage() const;
+		bool isComplete() const override;
 
-		int nextId() const;
+		int nextId() const override;
 
 	private slots:
-		void itemSelected(const QModelIndex &idx);
+		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 = "");
+
+		void addDirBrowse(QString displayName, QString fieldName, QString defaultVal = QDir::homePath());
+
+		void showValidationError(QString msg);
 };
 
 
 class Wizard: public QWizard {
 	Q_OBJECT
 
-	public:
-		class FormPage: public QWizardPage {
-			private:
-				QGridLayout *m_layout = nullptr;
-				QVector<QLayout*> m_subLayout;
-				int currentLine = 0;
-
-			public:
-				FormPage();
-
-				~FormPage();
-
-				void addLineEdit(QString displayName, QString fieldName);
-
-				void addFileBrowse(QString displayName, QString fieldName, QString defaultVal = "");
-		};
-
 	public:
 		Wizard(QWidget *parent = 0);
 };

src/studio/lib/project.cpp

@@ -0,0 +1,33 @@
+/*
+ * 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/.
+ */
+
+#include <QByteArray>
+#include <QDir>
+#include <ox/fs/filesystem.hpp>
+#include <project.hpp>
+
+namespace nostalgia {
+namespace studio {
+
+using namespace ox::fs;
+
+void Project::create(QString path) {
+	QDir().mkpath(path);
+
+	size_t buffLen = 1024;
+	m_romBuff = new QByteArray(buffLen, 0);
+	FileSystem32::format(m_romBuff->data(), buffLen, true);
+
+	QFile file(path + "/ROM.oxfs");
+	file.open(QIODevice::WriteOnly);
+	file.write(*m_romBuff);
+	file.close();
+}
+
+}
+}

src/studio/lib/project.hpp

@@ -0,0 +1,25 @@
+/*
+ * 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
+
+namespace nostalgia {
+namespace studio {
+
+class Project: public QObject {
+	Q_OBJECT
+
+	private:
+		QByteArray *m_romBuff = nullptr;
+
+	public:
+		void create(QString path);
+};
+
+}
+}

src/studio/mainwindow.cpp

@@ -6,7 +6,6 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#include <iostream>
 #include <QApplication>
 #include <QDesktopWidget>
 #include <QDialog>
@@ -20,8 +19,6 @@
 namespace nostalgia {
 namespace studio {
 
-using namespace std;
-
 MainWindow::MainWindow(NostalgiaStudioProfile config, QWidget *parent) {
 	auto screenSize = QApplication::desktop()->screenGeometry();
 
@@ -93,9 +90,9 @@ void MainWindow::showNewWizard() {
 	auto ws = new WizardSelect();
 	wizard.addPage(ws);
 	ws->addOption(tr("Project"), []() {
-			auto pg = new Wizard::FormPage();
-			pg->addLineEdit(tr("Project &Name"), "projectName");
-			pg->addFileBrowse(tr("Project &Path"), "projectPath");
+			auto pg = new WizardFormPage();
+			pg->addLineEdit(tr("Project &Name:"), "projectName*");
+			pg->addDirBrowse(tr("Project &Path:"), "projectPath*");
 			return pg;
 		}
 	);