1

#!/usr/bin/env python

     2

# -*- coding: utf-8 -*-

     3

     4

#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor

     5

#based on the plcopen standard. 

     6

#

     7

#Copyright (C) 2012: Edouard TISSERANT and Laurent BESSARD

     8

#

     9

#See COPYING file for copyrights details.

    10

#

    11

#This library is free software; you can redistribute it and/or

    12

#modify it under the terms of the GNU General Public

    13

#License as published by the Free Software Foundation; either

    14

#version 2.1 of the License, or (at your option) any later version.

    15

#

    16

#This library is distributed in the hope that it will be useful,

    17

#but WITHOUT ANY WARRANTY; without even the implied warranty of

    18

#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    19

#General Public License for more details.

    20

#

    21

#You should have received a copy of the GNU General Public

    22

#License along with this library; if not, write to the Free Software

    23

#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    24

    25

import wx

    26

import wx.lib.buttons

    27

import wx.lib.agw.customtreectrl as CT

    28

    29

try:

    30

    import matplotlib

    31

    matplotlib.use('WX')

    32

    USE_MPL = True

    33

except:

    34

    USE_MPL = False

    35

    36

from PLCControler import ITEMS_VARIABLE, ITEM_CONFIGURATION, ITEM_RESOURCE, ITEM_POU, ITEM_TRANSITION, ITEM_ACTION

    37

from util.BitmapLibrary import GetBitmap

    38

    39

class PouInstanceVariablesPanel(wx.Panel):

    40

    41

    def __init__(self, parent, window, controller, debug):

    42

        wx.Panel.__init__(self, name='PouInstanceTreePanel', 

    43

                parent=parent, pos=wx.Point(0, 0), 

    44

                size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)

    45

    46

        self.ParentButton = wx.lib.buttons.GenBitmapButton(self,

    47

              bitmap=GetBitmap("top"), size=wx.Size(28, 28), style=wx.NO_BORDER)

    48

        self.ParentButton.SetToolTipString(_("Parent instance"))

    49

        self.Bind(wx.EVT_BUTTON, self.OnParentButtonClick, 

    50

                self.ParentButton)

    51

    52

        self.InstanceChoice = wx.ComboBox(self, size=wx.Size(0, 0), style=wx.CB_READONLY)

    53

        self.Bind(wx.EVT_COMBOBOX, self.OnInstanceChoiceChanged,

    54

                self.InstanceChoice)

    55

        self.InstanceChoice.Bind(wx.EVT_LEFT_DOWN, self.OnInstanceChoiceLeftDown)

    56

    57

        self.DebugButton = wx.lib.buttons.GenBitmapButton(self, 

    58

              bitmap=GetBitmap("debug_instance"), size=wx.Size(28, 28), style=wx.NO_BORDER)

    59

        self.DebugButton.SetToolTipString(_("Debug instance"))

    60

        self.Bind(wx.EVT_BUTTON, self.OnDebugButtonClick, 

    61

                self.DebugButton)

    62

    63

        self.VariablesList = CT.CustomTreeCtrl(self,

    64

              style=wx.SUNKEN_BORDER,

    65

              agwStyle=CT.TR_NO_BUTTONS|

    66

                       CT.TR_SINGLE|

    67

                       CT.TR_HAS_VARIABLE_ROW_HEIGHT|

    68

                       CT.TR_HIDE_ROOT|

    69

                       CT.TR_NO_LINES|

    70

                       getattr(CT, "TR_ALIGN_WINDOWS_RIGHT", CT.TR_ALIGN_WINDOWS))

    71

        self.VariablesList.SetIndent(0)

    72

        self.VariablesList.SetSpacing(5)

    73

        self.VariablesList.DoSelectItem = lambda *x,**y:True

    74

        self.VariablesList.Bind(CT.EVT_TREE_ITEM_ACTIVATED,

    75

                self.OnVariablesListItemActivated)

    76

        self.VariablesList.Bind(wx.EVT_LEFT_DOWN, self.OnVariablesListLeftDown)

    77

        self.VariablesList.Bind(wx.EVT_KEY_DOWN, self.OnVariablesListKeyDown)

    78

    79

        buttons_sizer = wx.FlexGridSizer(cols=3, hgap=0, rows=1, vgap=0)

    80

        buttons_sizer.AddWindow(self.ParentButton)

    81

        buttons_sizer.AddWindow(self.InstanceChoice, flag=wx.GROW)

    82

        buttons_sizer.AddWindow(self.DebugButton)

    83

        buttons_sizer.AddGrowableCol(1)

    84

        buttons_sizer.AddGrowableRow(0)

    85

    86

        main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=0)

    87

        main_sizer.AddSizer(buttons_sizer, flag=wx.GROW)

    88

        main_sizer.AddWindow(self.VariablesList, flag=wx.GROW)

    89

        main_sizer.AddGrowableCol(0)

    90

        main_sizer.AddGrowableRow(1)

    91

    92

        self.SetSizer(main_sizer)

    93

    94

        self.ParentWindow = window

    95

        self.Controller = controller

    96

        self.Debug = debug

    97

        if not self.Debug:

    98

            self.DebugButton.Hide()

    99

   100

        self.PouTagName = None

   101

        self.PouInfos = None

   102

        self.PouInstance = None

   103

   104

    def __del__(self):

   105

        self.Controller = None

   106

   107

    def SetTreeImageList(self, tree_image_list):

   108

        self.VariablesList.SetImageList(tree_image_list)

   109

   110

    def SetController(self, controller):

   111

        self.Controller = controller

   112

   113

        self.RefreshView()

   114

   115

    def SetPouType(self, tagname, pou_instance=None):

   116

        if self.Controller is not None:

   118

                config_name = self.Controller.GetProjectMainConfigurationName()

   119

                if config_name is not None:

   121

            if pou_instance is not None:

   122

                self.PouInstance = pou_instance

   131

   132

    def ResetView(self):

   133

        self.Controller = None

   134

   135

        self.PouTagName = None

   136

        self.PouInfos = None

   137

        self.PouInstance = None

   138

   139

        self.RefreshView()

   140

   141

    def RefreshView(self):

   142

        self.Freeze()

   143

        self.VariablesList.DeleteAllItems()

   144

        self.InstanceChoice.Clear()

   145

        self.InstanceChoice.SetValue("")

   146

   147

        if self.Controller is not None and self.PouTagName is not None:

   148

            self.PouInfos = self.Controller.GetPouVariables(self.PouTagName, self.Debug)

   149

        else:

   150

            self.PouInfos = None

   151

        if self.PouInfos is not None:

   152

            root = self.VariablesList.AddRoot("")

   153

            for var_infos in self.PouInfos["variables"]:

   154

                if var_infos.get("type", None) is not None:

   155

                    text = "%(name)s (%(type)s)" % var_infos

   156

                else:

   157

                    text = var_infos["name"]

   158

   159

                panel = wx.Panel(self.VariablesList)

   160

   161

                buttons = []

   162

                if var_infos["class"] in ITEMS_VARIABLE:

   163

                    if (not USE_MPL and var_infos["debug"] and self.Debug and

   164

                        (self.Controller.IsOfType(var_infos["type"], "ANY_NUM", True) or

   165

                         self.Controller.IsOfType(var_infos["type"], "ANY_BIT", True))):

   166

                        graph_button = wx.lib.buttons.GenBitmapButton(panel, 

   167

                              bitmap=GetBitmap("instance_graph"), 

   168

                              size=wx.Size(28, 28), style=wx.NO_BORDER)

   169

                        self.Bind(wx.EVT_BUTTON, self.GenGraphButtonCallback(var_infos), graph_button)

   170

                        buttons.append(graph_button)

   171

                elif var_infos["edit"]:

   172

                    edit_button = wx.lib.buttons.GenBitmapButton(panel, 

   173

                          bitmap=GetBitmap("edit"), 

   174

                          size=wx.Size(28, 28), style=wx.NO_BORDER)

   175

                    self.Bind(wx.EVT_BUTTON, self.GenEditButtonCallback(var_infos), edit_button)

   176

                    buttons.append(edit_button)

   177

   178

                if var_infos["debug"] and self.Debug:

   179

                    debug_button = wx.lib.buttons.GenBitmapButton(panel, 

   180

                          bitmap=GetBitmap("debug_instance"), 

   181

                          size=wx.Size(28, 28), style=wx.NO_BORDER)

   182

                    self.Bind(wx.EVT_BUTTON, self.GenDebugButtonCallback(var_infos), debug_button)

   183

                    debug_button.Bind(wx.EVT_LEFT_DCLICK, self.GenDebugButtonDClickCallback(var_infos))

   184

                    buttons.append(debug_button)

   185

   186

                button_num = len(buttons)

   187

                if button_num > 0:

   188

                    panel.SetSize(wx.Size(button_num * 32, 28))

   189

                    panel.SetBackgroundColour(self.VariablesList.GetBackgroundColour())

   190

                    panel_sizer = wx.BoxSizer(wx.HORIZONTAL)

   191

                    panel.SetSizer(panel_sizer)

   192

   193

                    for button in buttons:

   194

                        panel_sizer.AddWindow(button, 0, border=4, flag=wx.LEFT)

   195

                    panel_sizer.Layout()

   196

   197

                else:

   198

                    panel.Destroy()

   199

                    panel = None

   200

   201

                item = self.VariablesList.AppendItem(root, text, wnd=panel)

   202

                self.VariablesList.SetItemImage(item, self.ParentWindow.GetTreeImage(var_infos["class"]))

   203

                self.VariablesList.SetPyData(item, var_infos)

   204

   213

            instances = self.Controller.SearchPouInstances(self.PouTagName, self.Debug)

   214

            for instance in instances:

   215

                self.InstanceChoice.Append(instance)

   216

            if len(instances) == 1:

   217

                self.PouInstance = instances[0]

   218

            if self.PouInfos["class"] in [ITEM_CONFIGURATION, ITEM_RESOURCE]:

   219

                self.PouInstance = None

   220

                self.InstanceChoice.SetSelection(0)

   221

            elif self.PouInstance in instances:

   222

                self.InstanceChoice.SetStringSelection(self.PouInstance)

   223

            else:

   224

                self.PouInstance = None

   225

                self.InstanceChoice.SetValue(_("Select an instance"))

   227

    def RefreshButtons(self):

   228

        enabled = self.InstanceChoice.GetSelection() != -1

   229

        self.ParentButton.Enable(enabled and self.PouInfos["class"] != ITEM_CONFIGURATION)

   230

        self.DebugButton.Enable(enabled and self.PouInfos["debug"] and self.Debug)

   231

   232

        root = self.VariablesList.GetRootItem()

   233

        if root is not None and root.IsOk():

   234

            item, item_cookie = self.VariablesList.GetFirstChild(root)

   235

            while item is not None and item.IsOk():

   236

                panel = self.VariablesList.GetItemWindow(item)

   237

                if panel is not None:

   238

                    for child in panel.GetChildren():

   239

                        if child.GetName() != "edit":

   240

                            child.Enable(enabled)

   241

                item, item_cookie = self.VariablesList.GetNextChild(root, item_cookie)

   242

   243

    def GenEditButtonCallback(self, infos):

   244

        def EditButtonCallback(event):

   245

            var_class = infos["class"]

   246

            if var_class == ITEM_RESOURCE:

   247

                tagname = self.Controller.ComputeConfigurationResourceName(

   248

                    self.InstanceChoice.GetStringSelection(), 

   249

                    infos["name"])

   250

            elif var_class == ITEM_TRANSITION:

   251

                tagname = self.Controller.ComputePouTransitionName(

   252

                    self.PouTagName.split("::")[1],

   253

                    infos["name"])

   254

            elif var_class == ITEM_ACTION:

   255

                tagname = self.Controller.ComputePouActionName(

   256

                    self.PouTagName.split("::")[1],

   257

                    infos["name"])

   258

            else:

   259

                var_class = ITEM_POU

   260

                tagname = self.Controller.ComputePouName(infos["type"])

   261

            self.ParentWindow.EditProjectElement(var_class, tagname)

   262

            event.Skip()

   263

        return EditButtonCallback

   264

   265

    def GenDebugButtonCallback(self, infos):

   266

        def DebugButtonCallback(event):

   267

            if self.InstanceChoice.GetSelection() != -1:

   268

                var_class = infos["class"]

   269

                var_path = "%s.%s" % (self.InstanceChoice.GetStringSelection(), 

   270

                                      infos["name"])

   271

                if var_class in ITEMS_VARIABLE:

   272

                    self.ParentWindow.AddDebugVariable(var_path, force=True)

   273

                elif var_class == ITEM_TRANSITION:

   274

                    self.ParentWindow.OpenDebugViewer(

   275

                        var_class,

   276

                        var_path,

   277

                        self.Controller.ComputePouTransitionName(

   278

                            self.PouTagName.split("::")[1],

   279

                            infos["name"]))

   280

                elif var_class == ITEM_ACTION:

   281

                    self.ParentWindow.OpenDebugViewer(

   282

                        var_class,

   283

                        var_path,

   284

                        self.Controller.ComputePouActionName(

   285

                            self.PouTagName.split("::")[1],

   286

                            infos["name"]))

   287

                else:

   288

                    self.ParentWindow.OpenDebugViewer(

   289

                        var_class,

   290

                        var_path,

   291

                        self.Controller.ComputePouName(infos["type"]))

   292

            event.Skip()

   293

        return DebugButtonCallback

   294

   295

    def GenDebugButtonDClickCallback(self, infos):

   296

        def DebugButtonDClickCallback(event):

   297

            if self.InstanceChoice.GetSelection() != -1:

   298

                if infos["class"] in ITEMS_VARIABLE:

   299

                    self.ParentWindow.AddDebugVariable(

   300

                        "%s.%s" % (self.InstanceChoice.GetStringSelection(), 

   301

                                   infos["name"]), 

   302

                        force=True,

   303

                        graph=True)

   304

            event.Skip()

   305

        return DebugButtonDClickCallback

   306

   307

    def GenGraphButtonCallback(self, infos):

   308

        def GraphButtonCallback(event):

   309

            if self.InstanceChoice.GetSelection() != -1:

   310

                if infos["class"] in ITEMS_VARIABLE:

   311

                    var_path = "%s.%s" % (self.InstanceChoice.GetStringSelection(), 

   312

                                          infos["name"])

   313

                    self.ParentWindow.OpenDebugViewer(infos["class"], var_path, infos["type"])

   314

            event.Skip()

   315

        return GraphButtonCallback

   316

   317

    def ShowInstanceChoicePopup(self):

   318

        self.InstanceChoice.SetFocusFromKbd()

   319

        size = self.InstanceChoice.GetSize()

   320

        event = wx.MouseEvent(wx.EVT_LEFT_DOWN._getEvtType())

   321

        event.m_x = size.width / 2

   322

        event.m_y = size.height / 2

   323

        event.SetEventObject(self.InstanceChoice)

   324

        #event = wx.KeyEvent(wx.EVT_KEY_DOWN._getEvtType())

   325

        #event.m_keyCode = wx.WXK_SPACE

   326

        self.InstanceChoice.GetEventHandler().ProcessEvent(event)

   327

   328

    def OnParentButtonClick(self, event):

   329

        if self.InstanceChoice.GetSelection() != -1:

   330

            parent_path = self.InstanceChoice.GetStringSelection().rsplit(".", 1)[0]

   331

            tagname = self.Controller.GetPouInstanceTagName(parent_path, self.Debug)

   332

            if tagname is not None:

   333

                wx.CallAfter(self.SetPouType, tagname, parent_path)

   334

                wx.CallAfter(self.ParentWindow.SelectProjectTreeItem, tagname)

   335

        event.Skip()

   336

   337

    def OnInstanceChoiceChanged(self, event):

   338

        self.RefreshButtons()

   339

        event.Skip()

   340

   341

    def OnDebugButtonClick(self, event):

   342

        if self.InstanceChoice.GetSelection() != -1:

   343

            self.ParentWindow.OpenDebugViewer(

   344

                self.PouInfos["class"],

   345

                self.InstanceChoice.GetStringSelection(),

   346

                self.PouTagName)

   347

        event.Skip()

   348

   349

    def OnVariablesListItemActivated(self, event):

   350

        selected_item = event.GetItem()

   351

        if selected_item is not None and selected_item.IsOk():

   352

            item_infos = self.VariablesList.GetPyData(selected_item)

   353

            if item_infos is not None and item_infos["class"] not in ITEMS_VARIABLE:

   354

                instance_path = self.InstanceChoice.GetStringSelection()

   355

                if item_infos["class"] == ITEM_RESOURCE:

   356

                    if instance_path != "":

   357

                        tagname = self.Controller.ComputeConfigurationResourceName(

   358

                                       instance_path, 

   359

                                       item_infos["name"])

   360

                    else:

   361

                        tagname = None

   362

                else:

   363

                    tagname = self.Controller.ComputePouName(item_infos["type"])

   364

                if tagname is not None:

   365

                    if instance_path != "":

   366

                        item_path = "%s.%s" % (instance_path, item_infos["name"])

   367

                    else:

   368

                        item_path = None

   369

                    wx.CallAfter(self.SetPouType, tagname, item_path)

   370

                    wx.CallAfter(self.ParentWindow.SelectProjectTreeItem, tagname)

   371

        event.Skip()

   372

   373

    def OnVariablesListLeftDown(self, event):

   374

        if self.InstanceChoice.GetSelection() == -1:

   375

            wx.CallAfter(self.ShowInstanceChoicePopup)

   376

        else:

   377

            instance_path = self.InstanceChoice.GetStringSelection()

   378

            item, flags = self.VariablesList.HitTest(event.GetPosition())

   379

            if item is not None and flags & CT.TREE_HITTEST_ONITEMLABEL:

   380

                item_infos = self.VariablesList.GetPyData(item)

   381

                if item_infos is not None and item_infos["class"] in ITEMS_VARIABLE:

   382

                    self.ParentWindow.EnsureTabVisible(

   383

                        self.ParentWindow.DebugVariablePanel)

   384

                    item_path = "%s.%s" % (instance_path, item_infos["name"])

   385

                    data = wx.TextDataObject(str((item_path, "debug")))

   386

                    dragSource = wx.DropSource(self.VariablesList)

   387

                    dragSource.SetData(data)

   388

                    dragSource.DoDragDrop()

   389

        event.Skip()

   390

   391

    def OnVariablesListKeyDown(self, event):

   392

        keycode = event.GetKeyCode()

   393

        if keycode != wx.WXK_LEFT:

   394

            event.Skip()

   395

   396

    def OnInstanceChoiceLeftDown(self, event):

   397

        event.Skip()