Laurent@814: #!/usr/bin/env python
Laurent@814: # -*- coding: utf-8 -*-
Laurent@814: 
andrej@1571: # This file is part of Beremiz, a Integrated Development Environment for
andrej@1571: # programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
andrej@1571: #
andrej@1571: # Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
andrej@1696: # Copyright (C) 2017: Andrey Skvortsov <andrej.skvortzov@gmail.com>
andrej@1571: #
andrej@1571: # See COPYING file for copyrights details.
andrej@1571: #
andrej@1571: # This program is free software; you can redistribute it and/or
andrej@1571: # modify it under the terms of the GNU General Public License
andrej@1571: # as published by the Free Software Foundation; either version 2
andrej@1571: # of the License, or (at your option) any later version.
andrej@1571: #
andrej@1571: # This program is distributed in the hope that it will be useful,
andrej@1571: # but WITHOUT ANY WARRANTY; without even the implied warranty of
andrej@1571: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
andrej@1571: # GNU General Public License for more details.
andrej@1571: #
andrej@1571: # You should have received a copy of the GNU General Public License
andrej@1571: # along with this program; if not, write to the Free Software
andrej@1571: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Laurent@814: 
andrej@1853: 
andrej@1853: from __future__ import absolute_import
Laurent@1236: import re
Laurent@1236: 
Laurent@814: import wx
Laurent@814: 
Laurent@1236: from graphics.FBD_Objects import FBD_Block
Laurent@814: from controls.LibraryPanel import LibraryPanel
andrej@1853: from dialogs.BlockPreviewDialog import BlockPreviewDialog
Laurent@814: 
andrej@1782: # -------------------------------------------------------------------------------
Laurent@1244: #                                    Helpers
andrej@1782: # -------------------------------------------------------------------------------
Laurent@1244: 
andrej@1736: 
Laurent@1244: def GetBlockTypeDefaultNameModel(blocktype):
Laurent@1244:     return re.compile("%s[0-9]+" % blocktype if blocktype is not None else ".*")
Laurent@1244: 
andrej@1782: # -------------------------------------------------------------------------------
Laurent@1242: #                         Set Block Parameters Dialog
andrej@1782: # -------------------------------------------------------------------------------
Laurent@814: 
Laurent@1242: 
Laurent@1236: class FBDBlockDialog(BlockPreviewDialog):
andrej@1736:     """
andrej@1736:     Class that implements a dialog for defining parameters of a FBD block graphic
andrej@1736:     element
andrej@1736:     """
andrej@1730: 
Laurent@1236:     def __init__(self, parent, controller, tagname):
Laurent@1242:         """
Laurent@1242:         Constructor
Laurent@1242:         @param parent: Parent wx.Window of dialog for modal
Laurent@1242:         @param controller: Reference to project controller
Laurent@1242:         @param tagname: Tagname of project POU edited
Laurent@1242:         """
Laurent@1236:         BlockPreviewDialog.__init__(self, parent, controller, tagname,
andrej@1768:                                     title=_('Block Properties'))
andrej@1730: 
Laurent@1250:         # Init common sizers
Laurent@1250:         self._init_sizers(2, 0, 1, 0, 3, 2)
andrej@1730: 
Laurent@1242:         # Create static box around library panel
Laurent@814:         type_staticbox = wx.StaticBox(self, label=_('Type:'))
Laurent@814:         left_staticboxsizer = wx.StaticBoxSizer(type_staticbox, wx.VERTICAL)
Laurent@1250:         self.LeftGridSizer.AddSizer(left_staticboxsizer, border=5, flag=wx.GROW)
andrej@1730: 
Laurent@1242:         # Create Library panel and add it to static box
Laurent@814:         self.LibraryPanel = LibraryPanel(self)
andrej@1696:         self.LibraryPanel.SetInitialSize(wx.Size(-1, 400))
andrej@1730: 
Laurent@1242:         # Set function to call when selection in Library panel changed
andrej@1730:         setattr(self.LibraryPanel, "_OnTreeItemSelected",
andrej@1768:                 self.OnLibraryTreeItemSelected)
andrej@1730:         left_staticboxsizer.AddWindow(self.LibraryPanel, 1, border=5,
andrej@1768:                                       flag=wx.GROW | wx.TOP)
andrej@1730: 
Laurent@1242:         # Create sizer for other block parameters
Laurent@814:         top_right_gridsizer = wx.FlexGridSizer(cols=2, hgap=0, rows=4, vgap=5)
Laurent@814:         top_right_gridsizer.AddGrowableCol(1)
Laurent@1250:         self.RightGridSizer.AddSizer(top_right_gridsizer, flag=wx.GROW)
andrej@1730: 
Laurent@1242:         # Create label for block name
Laurent@814:         name_label = wx.StaticText(self, label=_('Name:'))
andrej@1730:         top_right_gridsizer.AddWindow(name_label,
andrej@1768:                                       flag=wx.ALIGN_CENTER_VERTICAL)
andrej@1730: 
Laurent@1242:         # Create text control for defining block name
Laurent@814:         self.BlockName = wx.TextCtrl(self)
Laurent@814:         self.Bind(wx.EVT_TEXT, self.OnNameChanged, self.BlockName)
Laurent@814:         top_right_gridsizer.AddWindow(self.BlockName, flag=wx.GROW)
andrej@1730: 
Laurent@1242:         # Create label for extended block input number
Laurent@814:         inputs_label = wx.StaticText(self, label=_('Inputs:'))
andrej@1730:         top_right_gridsizer.AddWindow(inputs_label,
andrej@1768:                                       flag=wx.ALIGN_CENTER_VERTICAL)
andrej@1730: 
Laurent@1242:         # Create spin control for defining extended block input number
Laurent@814:         self.Inputs = wx.SpinCtrl(self, min=2, max=20,
andrej@1768:                                   style=wx.SP_ARROW_KEYS)
Laurent@814:         self.Bind(wx.EVT_SPINCTRL, self.OnInputsChanged, self.Inputs)
Laurent@814:         top_right_gridsizer.AddWindow(self.Inputs, flag=wx.GROW)
andrej@1730: 
Laurent@1242:         # Create label for block execution order
andrej@1730:         execution_order_label = wx.StaticText(self,
andrej@1768:                                               label=_('Execution Order:'))
andrej@1730:         top_right_gridsizer.AddWindow(execution_order_label,
andrej@1768:                                       flag=wx.ALIGN_CENTER_VERTICAL)
andrej@1730: 
Laurent@1242:         # Create spin control for defining block execution order
Laurent@814:         self.ExecutionOrder = wx.SpinCtrl(self, min=0, style=wx.SP_ARROW_KEYS)
andrej@1730:         self.Bind(wx.EVT_SPINCTRL, self.OnExecutionOrderChanged,
Laurent@1242:                   self.ExecutionOrder)
Laurent@814:         top_right_gridsizer.AddWindow(self.ExecutionOrder, flag=wx.GROW)
andrej@1730: 
Laurent@1242:         # Create label for block execution control
andrej@1730:         execution_control_label = wx.StaticText(self,
andrej@1768:                                                 label=_('Execution Control:'))
andrej@1730:         top_right_gridsizer.AddWindow(execution_control_label,
andrej@1768:                                       flag=wx.ALIGN_CENTER_VERTICAL)
andrej@1730: 
Laurent@1242:         # Create check box to enable block execution control
Laurent@814:         self.ExecutionControl = wx.CheckBox(self)
andrej@1730:         self.Bind(wx.EVT_CHECKBOX, self.OnExecutionOrderChanged,
Laurent@1242:                   self.ExecutionControl)
Laurent@814:         top_right_gridsizer.AddWindow(self.ExecutionControl, flag=wx.GROW)
andrej@1730: 
Laurent@1242:         # Add preview panel and associated label to sizers
Laurent@1250:         self.RightGridSizer.AddWindow(self.PreviewLabel, flag=wx.GROW)
Laurent@1250:         self.RightGridSizer.AddWindow(self.Preview, flag=wx.GROW)
andrej@1730: 
Laurent@1244:         # Add buttons sizer to sizers
andrej@1730:         self.MainSizer.AddSizer(self.ButtonSizer, border=20,
andrej@1768:                                 flag=wx.ALIGN_RIGHT | wx.BOTTOM | wx.LEFT | wx.RIGHT)
andrej@1730: 
Laurent@1244:         # Dictionary containing correspondence between parameter exchanged and
Laurent@1244:         # control to fill with parameter value
Laurent@1242:         self.ParamsControl = {
Laurent@1242:             "extension": self.Inputs,
Laurent@1242:             "executionOrder": self.ExecutionOrder,
Laurent@1242:             "executionControl": self.ExecutionControl
Laurent@1242:         }
andrej@1730: 
Laurent@1242:         # Init controls value and sensibility
Laurent@814:         self.BlockName.SetValue("")
Laurent@814:         self.BlockName.Enable(False)
Laurent@814:         self.Inputs.Enable(False)
andrej@1730: 
Laurent@1242:         # Variable containing last name typed
Laurent@1236:         self.CurrentBlockName = None
andrej@1730: 
Laurent@1242:         # Refresh Library panel values
Laurent@1236:         self.LibraryPanel.SetBlockList(controller.GetBlockTypes(tagname))
andrej@1696:         self.Fit()
Laurent@814:         self.LibraryPanel.SetFocus()
andrej@1730: 
Laurent@814:     def SetValues(self, values):
Laurent@1242:         """
Laurent@1242:         Set default block parameters
Laurent@1242:         @param values: Block parameters values
Laurent@1242:         """
Laurent@1242:         # Extract block type defined in parameters
Laurent@814:         blocktype = values.get("type", None)
andrej@1730: 
andrej@1730:         # Select block type in library panel
Laurent@1327:         if blocktype is not None:
andrej@1730:             self.LibraryPanel.SelectTreeItem(blocktype,
Laurent@1327:                                              values.get("inputs", None))
andrej@1730: 
Laurent@1242:         # Define regular expression for determine if block name is block
Laurent@1242:         # default name
Laurent@1244:         default_name_model = GetBlockTypeDefaultNameModel(blocktype)
andrej@1730: 
Laurent@1242:         # For each parameters defined, set corresponding control value
Laurent@814:         for name, value in values.items():
andrej@1730: 
Laurent@1244:             # Parameter is block name
Laurent@814:             if name == "name":
Laurent@1237:                 if value != "":
Laurent@1244:                     # Set default graphic element name for testing
Laurent@1244:                     self.DefaultElementName = value
andrej@1730: 
Laurent@1242:                     # Test if block name is type default block name and save
Laurent@1242:                     # block name if not (name have been typed by user)
Laurent@1237:                     if default_name_model.match(value) is None:
Laurent@1237:                         self.CurrentBlockName = value
andrej@1730: 
Laurent@1236:                 self.BlockName.ChangeValue(value)
andrej@1730: 
Laurent@1244:             # Set value of other controls
Laurent@1242:             else:
Laurent@1242:                 control = self.ParamsControl.get(name, None)
Laurent@1242:                 if control is not None:
Laurent@1242:                     control.SetValue(value)
andrej@1730: 
Laurent@1242:         # Refresh preview panel
Edouard@2591:         self.RefreshPreview()
Laurent@814: 
Laurent@814:     def GetValues(self):
Laurent@1242:         """
Laurent@1242:         Return block parameters defined in dialog
Laurent@1242:         @return: {parameter_name: parameter_value,...}
Laurent@1242:         """
Laurent@814:         values = self.LibraryPanel.GetSelectedBlock()
Laurent@814:         if self.BlockName.IsEnabled() and self.BlockName.GetValue() != "":
Laurent@814:             values["name"] = self.BlockName.GetValue()
Laurent@1244:         values["width"], values["height"] = self.Element.GetSize()
Laurent@1242:         values.update({
Laurent@1242:             name: control.GetValue()
Laurent@1242:             for name, control in self.ParamsControl.iteritems()})
Laurent@814:         return values
andrej@1730: 
Laurent@1250:     def OnOK(self, event):
Laurent@1250:         """
Laurent@1250:         Called when dialog OK button is pressed
Laurent@1250:         Test if parameters defined are valid
Laurent@1250:         @param event: wx.Event from OK button
Laurent@1250:         """
Laurent@1250:         message = None
andrej@1730: 
Laurent@1250:         # Get block type selected
Laurent@1250:         selected = self.LibraryPanel.GetSelectedBlock()
andrej@1730: 
Laurent@1250:         # Get block type name and if block is a function block
Laurent@1250:         block_name = self.BlockName.GetValue()
Laurent@1250:         name_enabled = self.BlockName.IsEnabled()
andrej@1730: 
Laurent@1250:         # Test that a type has been selected for block
Laurent@1250:         if selected is None:
Laurent@1250:             message = _("Form isn't complete. Valid block type must be selected!")
andrej@1730: 
Laurent@1250:         # Test, if block is a function block, that a name have been defined
Laurent@1250:         elif name_enabled and block_name == "":
Laurent@1250:             message = _("Form isn't complete. Name must be filled!")
andrej@1730: 
Laurent@1250:         # Show error message if an error is detected
Laurent@1250:         if message is not None:
Laurent@1250:             self.ShowErrorMessage(message)
andrej@1730: 
Laurent@1250:         # Test block name validity if necessary
Laurent@1250:         elif not name_enabled or self.TestElementName(block_name):
Laurent@1250:             # Call BlockPreviewDialog function
Laurent@1250:             BlockPreviewDialog.OnOK(self, event)
andrej@1730: 
Laurent@814:     def OnLibraryTreeItemSelected(self, event):
Laurent@1242:         """
Laurent@1242:         Called when block type selected in library panel
Laurent@1242:         @param event: wx.TreeEvent
Laurent@1242:         """
Laurent@1242:         # Get type selected in library panel
Laurent@814:         values = self.LibraryPanel.GetSelectedBlock()
andrej@1730: 
Laurent@1242:         # Get block type informations
andrej@1730:         blocktype = (self.Controller.GetBlockType(values["type"],
Laurent@1236:                                                   values["inputs"])
Laurent@1236:                      if values is not None else None)
andrej@1730: 
Laurent@1242:         # Set input number spin control according to block type informations
Laurent@814:         if blocktype is not None:
Laurent@814:             self.Inputs.SetValue(len(blocktype["inputs"]))
Laurent@814:             self.Inputs.Enable(blocktype["extensible"])
Laurent@1236:         else:
Laurent@1236:             self.Inputs.SetValue(2)
Laurent@1236:             self.Inputs.Enable(False)
andrej@1730: 
Laurent@1242:         # Update block name with default value if block type is a function and
Laurent@1242:         # current block name wasn't typed by user
Laurent@1236:         if blocktype is not None and blocktype["type"] != "function":
Laurent@1236:             self.BlockName.Enable(True)
andrej@1730: 
Laurent@1244:             if self.CurrentBlockName is None:
Laurent@1244:                 # Generate new block name according to block type, taking
Laurent@1244:                 # default element name if it was already a default name for this
Laurent@1244:                 # block type
Laurent@1244:                 default_name_model = GetBlockTypeDefaultNameModel(values["type"])
Laurent@1244:                 block_name = (
Laurent@1244:                     self.DefaultElementName
andrej@1730:                     if (self.DefaultElementName is not None and
Laurent@1244:                         default_name_model.match(self.DefaultElementName))
Laurent@1244:                     else self.Controller.GenerateNewName(
Laurent@1244:                         self.TagName, None, values["type"]+"%d", 0))
Laurent@1244:             else:
Laurent@1244:                 block_name = self.CurrentBlockName
andrej@1730: 
Laurent@1244:             self.BlockName.ChangeValue(block_name)
Laurent@814:         else:
Laurent@814:             self.BlockName.Enable(False)
Laurent@1236:             self.BlockName.ChangeValue("")
andrej@1730: 
Laurent@1242:         # Refresh preview panel
Edouard@2591:         self.RefreshPreview()
andrej@1730: 
Laurent@814:     def OnNameChanged(self, event):
Laurent@1242:         """
Laurent@1242:         Called when block name value changed
Laurent@1242:         @param event: wx.TextEvent
Laurent@1242:         """
Laurent@814:         if self.BlockName.IsEnabled():
Laurent@1242:             # Save block name typed by user
Laurent@1236:             self.CurrentBlockName = self.BlockName.GetValue()
Edouard@2591:             self.RefreshPreview()
Laurent@814:         event.Skip()
andrej@1730: 
Laurent@814:     def OnInputsChanged(self, event):
Laurent@1242:         """
Laurent@1242:         Called when block inputs number changed
Laurent@1242:         @param event: wx.SpinEvent
Laurent@1242:         """
Laurent@814:         if self.Inputs.IsEnabled():
Edouard@2591:             self.RefreshPreview()
Laurent@814:         event.Skip()
andrej@1730: 
Laurent@814:     def OnExecutionOrderChanged(self, event):
Laurent@1242:         """
Laurent@1242:         Called when block execution order value changed
Laurent@1242:         @param event: wx.SpinEvent
Laurent@1242:         """
Edouard@2591:         self.RefreshPreview()
Laurent@814:         event.Skip()
andrej@1730: 
Laurent@814:     def OnExecutionControlChanged(self, event):
Laurent@1242:         """
Laurent@1242:         Called when block execution control value changed
Laurent@1242:         @param event: wx.SpinEvent
Laurent@1242:         """
Edouard@2591:         self.RefreshPreview()
Laurent@814:         event.Skip()
andrej@1730: 
Edouard@2587:     def DrawPreview(self):
Laurent@1242:         """
Laurent@1242:         Refresh preview panel of graphic element
Laurent@1242:         Override BlockPreviewDialog function
Laurent@1242:         """
Laurent@1242:         # Get type selected in library panel
Laurent@814:         values = self.LibraryPanel.GetSelectedBlock()
andrej@1730: 
Laurent@1242:         # If a block type is selected in library panel
Laurent@814:         if values is not None:
Laurent@1242:             # Set graphic element displayed, creating a FBD block element
andrej@1768:             self.Element = FBD_Block(
andrej@1768:                 self.Preview, values["type"],
andrej@1768:                 (self.BlockName.GetValue() if self.BlockName.IsEnabled() else ""),
andrej@1768:                 extension=self.Inputs.GetValue(),
andrej@1768:                 inputs=values["inputs"],
andrej@1768:                 executionControl=self.ExecutionControl.GetValue(),
andrej@1768:                 executionOrder=self.ExecutionOrder.GetValue())
andrej@1730: 
Laurent@1242:         # Reset graphic element displayed
Laurent@814:         else:
andrej@1730:             self.Element = None
andrej@1730: 
Laurent@1242:         # Call BlockPreviewDialog function
Edouard@2587:         BlockPreviewDialog.DrawPreview(self)