1 files changed, 139 insertions, 0 deletions
diff --git a/gui/windows/main.py b/gui/windows/main.py
new file mode 100644
index 0000000..4dc4ef2
--- /dev/null
+++ b/gui/windows/main.py
@@ -0,0 +1,139 @@
+from PyQt5.QtGui import QIcon
+from PyQt5.QtWidgets import QAction
+from PyQt5.QtWidgets import QFileDialog
+from PyQt5.QtWidgets import QMainWindow
+from PyQt5.QtWidgets import QTextEdit
+
+from gui.helper import append_file_extension
+from gui.helper import check_errors
+from gui.helper import warning
+from gui.windows.form import FormWindow
+from ql.ast.checkers.dependency_checker import DependencyChecker
+from ql.ast.checkers.question_checker import QuestionChecker
+from ql.ast.checkers.reference_checker import ReferenceChecker
+from ql.ast.extractors.extractor import extract_gui_model
+from ql.ast.extractors.extractor import extract_identifier_dependencies
+from ql.ast.extractors.extractor import extract_identifier_scopes
+from ql.ast.extractors.extractor import extract_identifier_types
+from ql.ast.extractors.extractor import extract_questions
+from ql.ast.visitors.type_visitor import TypeVisitor
+from ql.parser.lexer import QLLexer
+from ql.parser.parser import QLParser
+
+
+class MainWindow(QMainWindow):
+    def __init__(self):
+        super().__init__()
+
+        self.setWindowTitle('PyQuest')
+        self.current_file = None
+        self.create_menu_bar()
+        self.text_edit = QTextEdit()
+        self.setCentralWidget(self.text_edit)
+
+        self.show()
+
+    def create_menu_bar(self):
+        menu_bar = self.menuBar()
+
+        new_file = QAction(QIcon(), 'New', self)
+        new_file.setShortcut('Ctrl+N')
+        new_file.setStatusTip('New file')
+        new_file.triggered.connect(self.new_file)
+
+        open_file = QAction(QIcon(), 'Open', self)
+        open_file.setShortcut('Ctrl+O')
+        open_file.setStatusTip('Open file')
+        open_file.triggered.connect(self.open_file)
+
+        save = QAction(QIcon(), 'Save', self)
+        save.setShortcut('Ctrl+S')
+        save.setStatusTip('Save file')
+        save.triggered.connect(self.save)
+
+        save_file = QAction(QIcon(), 'Save as', self)
+        save_file.setShortcut('Ctrl+Shift+S')
+        save_file.setStatusTip('Save file as')
+        save_file.triggered.connect(self.save_file)
+
+        create_form = QAction(QIcon(), 'Create form', self)
+        create_form.setShortcut('Ctrl+R')
+        create_form.setStatusTip('Create form')
+        create_form.triggered.connect(self.create_form)
+
+        file_menu = menu_bar.addMenu('&File')
+        file_menu.addAction(new_file)
+        file_menu.addAction(open_file)
+        file_menu.addAction(save)
+        file_menu.addAction(save_file)
+
+        create_menu = menu_bar.addMenu('&Create')
+        create_menu.addAction(create_form)
+
+    def new_file(self):
+        self.current_file = None
+        self.text_edit.setText('')
+
+    def open_file(self):
+        self.current_file, _ = QFileDialog.getOpenFileName(caption='Open file', directory='/home',
+                                                           filter="Questionnaire language files (*.ql)")
+
+        if self.current_file:
+            with open(self.current_file, 'r') as file:
+                self.text_edit.setText(file.read())
+
+    def save(self):
+        if self.current_file:
+            with open(self.current_file, 'w') as file:
+                file.write(self.text_edit.toPlainText())
+        else:
+            self.save_file()
+
+    def save_file(self):
+        file_name, _ = QFileDialog.getSaveFileName(caption='Save file as', directory='/home',
+                                                   filter='Questionnaire language files (*.ql)')
+
+        if file_name:
+            self.current_file = append_file_extension(file_name, 'ql')
+            with open(self.current_file, 'w') as file:
+                file.write(self.text_edit.toPlainText())
+
+    def create_form(self):
+        textbox_value = self.text_edit.toPlainText()
+        ql_lexer = QLLexer()
+        ql_lexer.build()
+        ql_parser = QLParser()
+        ql_parser.build()
+        empty_form = []
+
+        if not textbox_value:
+            empty_form.append('Empty Form')
+
+        try:
+            check_errors(empty_form)
+            ast = ql_parser.parse(textbox_value, ql_lexer.lexer)
+            parse_errors = ql_parser.errors
+
+            check_errors(parse_errors)
+            reference_errors = ReferenceChecker(extract_identifier_scopes(ast)).errors
+
+            check_errors(reference_errors)
+            dependency_errors = DependencyChecker(extract_identifier_dependencies(ast)).errors
+
+            check_errors(dependency_errors)
+            question_errors = QuestionChecker(extract_questions(ast)).errors
+            question_warnings = QuestionChecker(extract_questions(ast)).warnings
+
+            if question_warnings:
+                warning(question_warnings)
+
+            check_errors(question_errors)
+            type_visitor = TypeVisitor(extract_identifier_types(ast))
+            type_visitor.visit(ast)
+            type_errors = type_visitor.errors
+
+            check_errors(type_errors),
+            dialog = FormWindow(extract_gui_model(ast))
+            dialog.exec_()
+        except SyntaxError:
+            print('Consult application popup error window for information on what went wrong.')