beremiz: comparison dialogs/FBDBlockDialog.py

equal deleted inserted replaced

-:d51af006fa6b
+:64d8f52bc8c8
 Class that implements a dialog for defining parameters of a FBD block graphic
 element
 """
 class FBDBlockDialog(BlockPreviewDialog):
 def __init__(self, parent, controller, tagname):
 """
 Constructor
 @param parent: Parent wx.Window of dialog for modal
 @param controller: Reference to project controller
 @param tagname: Tagname of project POU edited
 """
 BlockPreviewDialog.__init__(self, parent, controller, tagname,
 title=_('Block Properties'))
 # Init common sizers
 self._init_sizers(2, 0, 1, 0, 3, 2)
 # Create static box around library panel
 type_staticbox = wx.StaticBox(self, label=_('Type:'))
 left_staticboxsizer = wx.StaticBoxSizer(type_staticbox, wx.VERTICAL)
 self.LeftGridSizer.AddSizer(left_staticboxsizer, border=5, flag=wx.GROW)
 # Create Library panel and add it to static box
 self.LibraryPanel = LibraryPanel(self)
 self.LibraryPanel.SetInitialSize(wx.Size(-1, 400))
 # Set function to call when selection in Library panel changed
 setattr(self.LibraryPanel, "_OnTreeItemSelected",
 self.OnLibraryTreeItemSelected)
 left_staticboxsizer.AddWindow(self.LibraryPanel, 1, border=5,
 flag=wx.GROW|wx.TOP)
 # Create sizer for other block parameters
 top_right_gridsizer = wx.FlexGridSizer(cols=2, hgap=0, rows=4, vgap=5)
 top_right_gridsizer.AddGrowableCol(1)
 self.RightGridSizer.AddSizer(top_right_gridsizer, flag=wx.GROW)
 # Create label for block name
 name_label = wx.StaticText(self, label=_('Name:'))
 top_right_gridsizer.AddWindow(name_label,
 flag=wx.ALIGN_CENTER_VERTICAL)
 # Create text control for defining block name
 self.BlockName = wx.TextCtrl(self)
 self.Bind(wx.EVT_TEXT, self.OnNameChanged, self.BlockName)
 top_right_gridsizer.AddWindow(self.BlockName, flag=wx.GROW)
 # Create label for extended block input number
 inputs_label = wx.StaticText(self, label=_('Inputs:'))
 top_right_gridsizer.AddWindow(inputs_label,
 flag=wx.ALIGN_CENTER_VERTICAL)
 # Create spin control for defining extended block input number
 self.Inputs = wx.SpinCtrl(self, min=2, max=20,
 style=wx.SP_ARROW_KEYS)
 self.Bind(wx.EVT_SPINCTRL, self.OnInputsChanged, self.Inputs)
 top_right_gridsizer.AddWindow(self.Inputs, flag=wx.GROW)
 # Create label for block execution order
 execution_order_label = wx.StaticText(self,
 label=_('Execution Order:'))
 top_right_gridsizer.AddWindow(execution_order_label,
 flag=wx.ALIGN_CENTER_VERTICAL)
 # Create spin control for defining block execution order
 self.ExecutionOrder = wx.SpinCtrl(self, min=0, style=wx.SP_ARROW_KEYS)
 self.Bind(wx.EVT_SPINCTRL, self.OnExecutionOrderChanged,
 self.ExecutionOrder)
 top_right_gridsizer.AddWindow(self.ExecutionOrder, flag=wx.GROW)
 # Create label for block execution control
 execution_control_label = wx.StaticText(self,
 label=_('Execution Control:'))
 top_right_gridsizer.AddWindow(execution_control_label,
 flag=wx.ALIGN_CENTER_VERTICAL)
 # Create check box to enable block execution control
 self.ExecutionControl = wx.CheckBox(self)
 self.Bind(wx.EVT_CHECKBOX, self.OnExecutionOrderChanged,
 self.ExecutionControl)
 top_right_gridsizer.AddWindow(self.ExecutionControl, flag=wx.GROW)
 # Add preview panel and associated label to sizers
 self.RightGridSizer.AddWindow(self.PreviewLabel, flag=wx.GROW)
 self.RightGridSizer.AddWindow(self.Preview, flag=wx.GROW)
 # Add buttons sizer to sizers
 self.MainSizer.AddSizer(self.ButtonSizer, border=20,
 flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
 # Dictionary containing correspondence between parameter exchanged and
 # control to fill with parameter value
 self.ParamsControl = {
 "extension": self.Inputs,
 "executionOrder": self.ExecutionOrder,
 "executionControl": self.ExecutionControl
 }
 # Init controls value and sensibility
 self.BlockName.SetValue("")
 self.BlockName.Enable(False)
 self.Inputs.Enable(False)
 # Variable containing last name typed
 self.CurrentBlockName = None
 # Refresh Library panel values
 self.LibraryPanel.SetBlockList(controller.GetBlockTypes(tagname))
 self.Fit()
 self.LibraryPanel.SetFocus()
 def SetValues(self, values):
 """
 Set default block parameters
 @param values: Block parameters values
 """
 # Extract block type defined in parameters
 blocktype = values.get("type", None)
 # Select block type in library panel
 if blocktype is not None:
 self.LibraryPanel.SelectTreeItem(blocktype,
 values.get("inputs", None))
 # Define regular expression for determine if block name is block
 # default name
 default_name_model = GetBlockTypeDefaultNameModel(blocktype)
 # For each parameters defined, set corresponding control value
 for name, value in values.items():
 # Parameter is block name
 if name == "name":
 if value != "":
 # Set default graphic element name for testing
 self.DefaultElementName = value
 # Test if block name is type default block name and save
 # block name if not (name have been typed by user)
 if default_name_model.match(value) is None:
 self.CurrentBlockName = value
 self.BlockName.ChangeValue(value)
 # Set value of other controls
 else:
 control = self.ParamsControl.get(name, None)
 if control is not None:
 control.SetValue(value)
 # Refresh preview panel
 self.RefreshPreview()
 def GetValues(self):
 """
 values["width"], values["height"] = self.Element.GetSize()
 values.update({
 name: control.GetValue()
 for name, control in self.ParamsControl.iteritems()})
 return values
 def OnOK(self, event):
 """
 Called when dialog OK button is pressed
 Test if parameters defined are valid
 @param event: wx.Event from OK button
 """
 message = None
 # Get block type selected
 selected = self.LibraryPanel.GetSelectedBlock()
 # Get block type name and if block is a function block
 block_name = self.BlockName.GetValue()
 name_enabled = self.BlockName.IsEnabled()
 # Test that a type has been selected for block
 if selected is None:
 message = _("Form isn't complete. Valid block type must be selected!")
 # Test, if block is a function block, that a name have been defined
 elif name_enabled and block_name == "":
 message = _("Form isn't complete. Name must be filled!")
 # Show error message if an error is detected
 if message is not None:
 self.ShowErrorMessage(message)
 # Test block name validity if necessary
 elif not name_enabled or self.TestElementName(block_name):
 # Call BlockPreviewDialog function
 BlockPreviewDialog.OnOK(self, event)
 def OnLibraryTreeItemSelected(self, event):
 """
 Called when block type selected in library panel
 @param event: wx.TreeEvent
 """
 # Get type selected in library panel
 values = self.LibraryPanel.GetSelectedBlock()
 # Get block type informations
 blocktype = (self.Controller.GetBlockType(values["type"],
 values["inputs"])
 if values is not None else None)
 # Set input number spin control according to block type informations
 if blocktype is not None:
 self.Inputs.SetValue(len(blocktype["inputs"]))
 self.Inputs.Enable(blocktype["extensible"])
 else:
 self.Inputs.SetValue(2)
 self.Inputs.Enable(False)
 # Update block name with default value if block type is a function and
 # current block name wasn't typed by user
 if blocktype is not None and blocktype["type"] != "function":
 self.BlockName.Enable(True)
 if self.CurrentBlockName is None:
 # Generate new block name according to block type, taking
 # default element name if it was already a default name for this
 # block type
 default_name_model = GetBlockTypeDefaultNameModel(values["type"])
 block_name = (
 self.DefaultElementName
 if (self.DefaultElementName is not None and
 default_name_model.match(self.DefaultElementName))
 else self.Controller.GenerateNewName(
 self.TagName, None, values["type"]+"%d", 0))
 else:
 block_name = self.CurrentBlockName
 self.BlockName.ChangeValue(block_name)
 else:
 self.BlockName.Enable(False)
 self.BlockName.ChangeValue("")
 # Refresh preview panel
 self.RefreshPreview()
 def OnNameChanged(self, event):
 """
 Called when block name value changed
 @param event: wx.TextEvent
 """
 if self.BlockName.IsEnabled():
 # Save block name typed by user
 self.CurrentBlockName = self.BlockName.GetValue()
 self.RefreshPreview()
 event.Skip()
 def OnInputsChanged(self, event):
 """
 Called when block inputs number changed
 @param event: wx.SpinEvent
 """
 if self.Inputs.IsEnabled():
 self.RefreshPreview()
 event.Skip()
 def OnExecutionOrderChanged(self, event):
 """
 Called when block execution order value changed
 @param event: wx.SpinEvent
 """
 self.RefreshPreview()
 event.Skip()
 def OnExecutionControlChanged(self, event):
 """
 Called when block execution control value changed
 @param event: wx.SpinEvent
 """
 self.RefreshPreview()
 event.Skip()
 def RefreshPreview(self):
 """
 Refresh preview panel of graphic element
 Override BlockPreviewDialog function
 """
 # Get type selected in library panel
 values = self.LibraryPanel.GetSelectedBlock()
 # If a block type is selected in library panel
 if values is not None:
 # Set graphic element displayed, creating a FBD block element
 self.Element = FBD_Block(self.Preview, values["type"],
 (self.BlockName.GetValue()
 if self.BlockName.IsEnabled()
 else ""),
 extension = self.Inputs.GetValue(),
 inputs = values["inputs"],
 executionControl = self.ExecutionControl.GetValue(),
 executionOrder = self.ExecutionOrder.GetValue())
 # Reset graphic element displayed
 else:
 self.Element = None
 # Call BlockPreviewDialog function
 BlockPreviewDialog.RefreshPreview(self)

changeset 1730	64d8f52bc8c8
parent 1696	8043f32de7b8
child 1736	7e61baa047f0