Add Load/Save/Refresh to add OpenSCAD Elements

src/Mod/OpenSCAD/OpenSCADCommands.py

@@ -327,7 +327,17 @@ def GetResources(self):
 class AddSCADWidget(QtGui.QWidget):
     def __init__(self,*args):
         QtGui.QWidget.__init__(self,*args)
+        # Main text area
         self.textEdit=QtGui.QTextEdit()
+        self.textEdit.setAcceptRichText(False)
+        #print(self.textEdit.maximumHeight())
+        #print(self.textEdit.maximumViewportSize())
+        # Message Area
+        self.textMsg=QtGui.QPlainTextEdit()
+        self.textMsg.setReadOnly(True)
+        h = int(2.5 * self.textMsg.fontMetrics().height())
+        self.textMsg.setMaximumHeight(h)
+        self.textMsg.resize(self.textMsg.width(),h)
         self.buttonadd = QtGui.QPushButton(translate('OpenSCAD','Add'))
         self.buttonclear = QtGui.QPushButton(translate('OpenSCAD','Clear'))
         self.buttonload = QtGui.QPushButton(translate('OpenSCAD','Load'))
@@ -344,13 +354,17 @@ def __init__(self,*args):
         layout.addLayout(layouth)
         layout.addWidget(self.checkboxmesh)
         layout.addWidget(self.textEdit)
+        layout.addWidget(self.textMsg)
         self.setLayout(layout)
         self.setWindowTitle(translate('OpenSCAD','Add OpenSCAD Element'))
         self.textEdit.setText(u'cube();')
         self.buttonclear.clicked.connect(self.textEdit.clear)
 
     def retranslateUi(self, widget=None):
         self.buttonadd.setText(translate('OpenSCAD','Add'))
+        self.buttonload.setText(translate('OpenSCAD','Load'))
+        self.buttonsave.setText(translate('OpenSCAD','Save'))
+        self.buttonrefresh.setText(translate('OpenSCAD','Refesh'))
         self.buttonclear.setText(translate('OpenSCAD','Clear'))
         self.checkboxmesh.setText(translate('OpenSCAD','as Mesh'))
         self.setWindowTitle(translate('OpenSCAD','Add OpenSCAD Element'))
@@ -362,6 +376,7 @@ def __init__(self):
         self.form.buttonload.clicked.connect(self.loadelement)
         self.form.buttonsave.clicked.connect(self.saveelement)
         self.form.buttonrefresh.clicked.connect(self.refreshelement)
+
     def getStandardButtons(self):
         return int(QtGui.QDialogButtonBox.Close)
 
@@ -394,43 +409,34 @@ def addelement(self):
                 pass
 
         except OpenSCADUtils.OpenSCADError as e:
+            self.form.textMsg.setPlainText(e.value)
             FreeCAD.Console.PrintError(e.value)
 
     def refreshelement(self):
-        print('Refresh Element')
+        self.form.textMsg.setPlainText('')
         doc=FreeCAD.activeDocument()
         if doc :
            for obj in doc.Objects :
                doc.removeObject(obj.Name)
         self.addelement()
 
     def loadelement(self):
-        print('Load Element')
-        print('Load Element')
         filename, filter = QtGui.QFileDialog.getOpenFileName(parent=self.form, caption='Open file', dir='.', filter='OpenSCAD Files (*.scad)',selectedFilter='',option=0)
 
         if filename:
            print('filename :'+filename)
-           fp = open(filename,'r')
-           with fp:
-                data = fp.read()
-                self.form.textEdit.setText(data)
+           with open(filename,'r') as fp :
+              data = fp.read()
+              self.form.textEdit.setText(data)
 
     def saveelement(self) :
-        print('Save Element')
         filename, filter = QtGui.QFileDialog.getSaveFileName(parent=self.form, caption='Open file', dir='.', filter='OpenSCAD Files (*.scad)',selectedFilter='',option=0)
 
         if filename:
-           print('filename :'+filename)
            Text = self.form.textEdit.toPlainText()
-           fp = open(filename,'w')
-           with fp:
+           with open(filename,'w') as fp :
               fp.write(Text)
 
-class OpenSCADMeshBooleanWidget(QtGui.QWidget):
-    def __init__(self,*args):
-        QtGui.QWidget.__init__(self,*args)
-        #self.textEdit=QtGui.QTextEdit()
 class OpenSCADMeshBooleanWidget(QtGui.QWidget):
     def __init__(self,*args):
         QtGui.QWidget.__init__(self,*args)
@@ -471,6 +477,7 @@ class OpenSCADMeshBooleanTask:
     def __init__(self):
         self.form = OpenSCADMeshBooleanWidget()
         self.form.buttonadd.clicked.connect(self.doboolean)
+
     def getStandardButtons(self):
         return int(QtGui.QDialogButtonBox.Close)
 
@@ -500,9 +507,11 @@ def doboolean(self):
 class AddOpenSCADElement:
     def IsActive(self):
         return not FreeCADGui.Control.activeDialog()
+
     def Activated(self):
         panel = AddSCADTask()
         FreeCADGui.Control.showDialog(panel)
+
     def GetResources(self):
         return {'Pixmap'  : 'OpenSCAD_AddOpenSCADElement', 
                 'MenuText': QtCore.QT_TRANSLATE_NOOP('OpenSCAD_AddOpenSCADElement', 'Add OpenSCAD Element...'), 
@@ -513,9 +522,11 @@ class OpenSCADMeshBoolean:
     def IsActive(self):
         return not FreeCADGui.Control.activeDialog() and \
             len(FreeCADGui.Selection.getSelection()) >= 1
+
     def Activated(self):
         panel = OpenSCADMeshBooleanTask()
         FreeCADGui.Control.showDialog(panel)
+
     def GetResources(self):
         return {'Pixmap'  : 'OpenSCAD_MeshBooleans', 
                 'MenuText': QtCore.QT_TRANSLATE_NOOP('OpenSCAD_MeshBoolean','Mesh Boolean...'),