dialogs/SFCStepDialog.py
changeset 814 5743cbdff669
child 1250 7e6de17c687a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dialogs/SFCStepDialog.py	Fri Sep 07 16:45:55 2012 +0200
@@ -0,0 +1,205 @@
+# -*- coding: utf-8 -*-
+
+#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
+#based on the plcopen standard. 
+#
+#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
+#
+#See COPYING file for copyrights details.
+#
+#This library is free software; you can redistribute it and/or
+#modify it under the terms of the GNU General Public
+#License as published by the Free Software Foundation; either
+#version 2.1 of the License, or (at your option) any later version.
+#
+#This library is distributed in the hope that it will be useful,
+#but WITHOUT ANY WARRANTY; without even the implied warranty of
+#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#General Public License for more details.
+#
+#You should have received a copy of the GNU General Public
+#License along with this library; if not, write to the Free Software
+#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+import wx
+
+from graphics import *
+
+#-------------------------------------------------------------------------------
+#                          Edit Step Content Dialog
+#-------------------------------------------------------------------------------
+
+class SFCStepDialog(wx.Dialog):
+    
+    def __init__(self, parent, controller, initial = False):
+        wx.Dialog.__init__(self, parent, title=_('Edit Step'), 
+              size=wx.Size(400, 250))
+        
+        main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=10)
+        main_sizer.AddGrowableCol(0)
+        main_sizer.AddGrowableRow(0)
+        
+        column_sizer = wx.BoxSizer(wx.HORIZONTAL)
+        main_sizer.AddSizer(column_sizer, border=20, 
+              flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT)
+        
+        left_gridsizer = wx.FlexGridSizer(cols=1, hgap=0, rows=6, vgap=5)
+        left_gridsizer.AddGrowableCol(0)
+        column_sizer.AddSizer(left_gridsizer, 1, border=5, 
+                              flag=wx.GROW|wx.RIGHT)
+        
+        name_label = wx.StaticText(self, label=_('Name:'))
+        left_gridsizer.AddWindow(name_label, flag=wx.GROW)
+        
+        self.StepName = wx.TextCtrl(self)
+        self.Bind(wx.EVT_TEXT, self.OnNameChanged, self.StepName)
+        left_gridsizer.AddWindow(self.StepName, flag=wx.GROW)
+        
+        connectors_label = wx.StaticText(self, label=_('Connectors:'))
+        left_gridsizer.AddWindow(connectors_label, flag=wx.GROW)
+        
+        self.Input = wx.CheckBox(self, label=_("Input"))
+        self.Bind(wx.EVT_CHECKBOX, self.OnConnectorsChanged, self.Input)
+        left_gridsizer.AddWindow(self.Input, flag=wx.GROW)
+        
+        self.Output = wx.CheckBox(self, label=_("Output"))
+        self.Bind(wx.EVT_CHECKBOX, self.OnConnectorsChanged, self.Output)
+        left_gridsizer.AddWindow(self.Output, flag=wx.GROW)
+        
+        self.Action = wx.CheckBox(self, label=_("Action"))
+        self.Bind(wx.EVT_CHECKBOX, self.OnConnectorsChanged, self.Action)
+        left_gridsizer.AddWindow(self.Action, flag=wx.GROW)
+        
+        right_gridsizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
+        right_gridsizer.AddGrowableCol(0)
+        right_gridsizer.AddGrowableRow(1)
+        column_sizer.AddSizer(right_gridsizer, 1, border=5, 
+              flag=wx.GROW|wx.LEFT)
+        
+        preview_label = wx.StaticText(self, label=_('Preview:'))
+        right_gridsizer.AddWindow(preview_label, flag=wx.GROW)
+        
+        self.Preview = wx.Panel(self,
+              style=wx.TAB_TRAVERSAL|wx.SIMPLE_BORDER)
+        self.Preview.SetBackgroundColour(wx.Colour(255,255,255))
+        setattr(self.Preview, "GetDrawingMode", lambda:FREEDRAWING_MODE)
+        setattr(self.Preview, "RefreshStepModel", lambda x:None)
+        setattr(self.Preview, "GetScaling", lambda:None)
+        setattr(self.Preview, "IsOfType", controller.IsOfType)
+        self.Preview.Bind(wx.EVT_PAINT, self.OnPaint)
+        right_gridsizer.AddWindow(self.Preview, flag=wx.GROW)
+        
+        button_sizer = self.CreateButtonSizer(
+                  wx.OK|wx.CANCEL|wx.CENTRE)
+        self.Bind(wx.EVT_BUTTON, self.OnOK, 
+                  button_sizer.GetAffirmativeButton())
+        main_sizer.AddSizer(button_sizer, border=20, 
+              flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT)
+        
+        self.SetSizer(main_sizer)
+        
+        self.Step = None
+        self.Initial = initial
+        self.MinStepSize = None
+    
+        self.PouNames = []
+        self.Variables = []
+        self.StepNames = []
+        
+        self.StepName.SetFocus()
+    
+    def SetPreviewFont(self, font):
+        self.Preview.SetFont(font)
+    
+    def OnOK(self, event):
+        message = None
+        step_name = self.StepName.GetValue()
+        if step_name == "":
+            message = _("You must type a name!")
+        elif not TestIdentifier(step_name):
+            message = _("\"%s\" is not a valid identifier!") % step_name
+        elif step_name.upper() in IEC_KEYWORDS:
+            message = _("\"%s\" is a keyword. It can't be used!") % step_name
+        elif step_name.upper() in self.PouNames:
+            message = _("A POU named \"%s\" already exists!") % step_name
+        elif step_name.upper() in self.Variables:
+            message = _("A variable with \"%s\" as name already exists in this pou!") % step_name
+        elif step_name.upper() in self.StepNames:
+            message = _("\"%s\" step already exists!") % step_name
+        if message is not None:
+            dialog = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR)
+            dialog.ShowModal()
+            dialog.Destroy()    
+        else:
+            self.EndModal(wx.ID_OK)
+    
+    def SetMinStepSize(self, size):
+        self.MinStepSize = size
+
+    def SetPouNames(self, pou_names):
+        self.PouNames = [pou_name.upper() for pou_name in pou_names]
+
+    def SetVariables(self, variables):
+        self.Variables = [var["Name"].upper() for var in variables]
+
+    def SetStepNames(self, step_names):
+        self.StepNames = [step_name.upper() for step_name in step_names]
+
+    def SetValues(self, values):
+        value_name = values.get("name", None)
+        if value_name:
+            self.StepName.SetValue(value_name)
+        else:
+            self.StepName.SetValue("")
+        self.Input.SetValue(values.get("input", False))
+        self.Output.SetValue(values.get("output", False))
+        self.Action.SetValue(values.get("action", False))
+        self.RefreshPreview()
+        
+    def GetValues(self):
+        values = {}
+        values["name"] = self.StepName.GetValue()
+        values["input"] = self.Input.IsChecked()
+        values["output"] = self.Output.IsChecked()
+        values["action"] = self.Action.IsChecked()
+        values["width"], values["height"] = self.Step.GetSize()
+        return values
+    
+    def OnConnectorsChanged(self, event):
+        self.RefreshPreview()
+        event.Skip()
+
+    def OnNameChanged(self, event):
+        self.RefreshPreview()
+        event.Skip()
+    
+    def RefreshPreview(self):
+        dc = wx.ClientDC(self.Preview)
+        dc.SetFont(self.Preview.GetFont())
+        dc.Clear()
+        self.Step = SFC_Step(self.Preview, self.StepName.GetValue(), self.Initial)
+        if self.Input.IsChecked():
+            self.Step.AddInput()
+        else:
+            self.Step.RemoveInput()
+        if self.Output.IsChecked():
+            self.Step.AddOutput()
+        else:
+            self.Step.RemoveOutput()
+        if self.Action.IsChecked():
+            self.Step.AddAction()    
+        else:
+            self.Step.RemoveAction()
+        width, height = self.MinStepSize
+        min_width, min_height = self.Step.GetMinSize()
+        width, height = max(min_width, width), max(min_height, height)
+        self.Step.SetSize(width, height)
+        clientsize = self.Preview.GetClientSize()
+        x = (clientsize.width - width) / 2
+        y = (clientsize.height - height) / 2
+        self.Step.SetPosition(x, y)
+        self.Step.Draw(dc)
+
+    def OnPaint(self, event):
+        self.RefreshPreview()
+        event.Skip()