- remade file names in the app

- fixed the issue with factory_defaults being saved every time the app start
- fixed the preferences not being saved to a file when the Save button is pressed in Edit -> Preferences
- fixed and updated the Transform Tools in the Editors

appGUI/preferences/excellon/ExcellonPreferencesUI.py

@@ -0,0 +1,53 @@
+from PyQt5 import QtWidgets
+from PyQt5.QtCore import QSettings
+
+from appGUI.preferences.excellon.ExcellonEditorPrefGroupUI import ExcellonEditorPrefGroupUI
+from appGUI.preferences.excellon.ExcellonExpPrefGroupUI import ExcellonExpPrefGroupUI
+from appGUI.preferences.excellon.ExcellonAdvOptPrefGroupUI import ExcellonAdvOptPrefGroupUI
+from appGUI.preferences.excellon.ExcellonOptPrefGroupUI import ExcellonOptPrefGroupUI
+from appGUI.preferences.excellon.ExcellonGenPrefGroupUI import ExcellonGenPrefGroupUI
+
+import gettext
+import appTranslation as fcTranslate
+import builtins
+
+fcTranslate.apply_language('strings')
+if '_' not in builtins.__dict__:
+    _ = gettext.gettext
+
+settings = QSettings("Open Source", "FlatCAM")
+if settings.contains("machinist"):
+    machinist_setting = settings.value('machinist', type=int)
+else:
+    machinist_setting = 0
+
+
+class ExcellonPreferencesUI(QtWidgets.QWidget):
+
+    def __init__(self, decimals, parent=None):
+        QtWidgets.QWidget.__init__(self, parent=parent)
+        self.layout = QtWidgets.QHBoxLayout()
+        self.setLayout(self.layout)
+        self.decimals = decimals
+
+        self.excellon_gen_group = ExcellonGenPrefGroupUI(decimals=self.decimals)
+        self.excellon_gen_group.setMinimumWidth(240)
+        self.excellon_opt_group = ExcellonOptPrefGroupUI(decimals=self.decimals)
+        self.excellon_opt_group.setMinimumWidth(290)
+        self.excellon_exp_group = ExcellonExpPrefGroupUI(decimals=self.decimals)
+        self.excellon_exp_group.setMinimumWidth(250)
+        self.excellon_adv_opt_group = ExcellonAdvOptPrefGroupUI(decimals=self.decimals)
+        self.excellon_adv_opt_group.setMinimumWidth(250)
+        self.excellon_editor_group = ExcellonEditorPrefGroupUI(decimals=self.decimals)
+        self.excellon_editor_group.setMinimumWidth(260)
+
+        self.vlay = QtWidgets.QVBoxLayout()
+        self.vlay.addWidget(self.excellon_opt_group)
+        self.vlay.addWidget(self.excellon_exp_group)
+
+        self.layout.addWidget(self.excellon_gen_group)
+        self.layout.addLayout(self.vlay)
+        self.layout.addWidget(self.excellon_adv_opt_group)
+        self.layout.addWidget(self.excellon_editor_group)
+
+        self.layout.addStretch()