1

#!/usr/bin/env python

     2

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

     3

     4

# This file is part of Beremiz, a Integrated Development Environment for

     5

# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.

     6

#

     7

# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

     8

#

     9

# See COPYING file for copyrights details.

    10

#

    11

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

    12

# modify it under the terms of the GNU General Public License

    13

# as published by the Free Software Foundation; either version 2

    14

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

    15

#

    16

# This program 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

    19

# GNU General Public License for more details.

    20

#

    21

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

    22

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

    23

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

    24

    25

from types import TupleType

    26

    27

import wx

    28

import wx.lib.buttons

    29

import wx.lib.agw.customtreectrl as CT

    30

    31

from PLCControler import *

    32

from util.BitmapLibrary import GetBitmap

    33

    34

    35

def GenerateName(infos):

    36

    if infos[0] in ["input", "output", "value"]:

    37

        return "%s %d:" % (infos[0], infos[1])

    38

    elif infos[0] == "range":

    39

        return "%s %d %s" % (infos[0], infos[1], infos[2])

    40

    elif infos[0] == "struct":

    41

        return "element %d %s" % (infos[1], infos[2])

    42

    return "%s:" % infos[0]

    43

    44

#-------------------------------------------------------------------------------

    45

#                            Search Result Panel

    46

#-------------------------------------------------------------------------------

    47

    48

    49

[

    50

    ID_SEARCHRESULTPANEL, ID_SEARCHRESULTPANELHEADERLABEL,

    51

    ID_SEARCHRESULTPANELSEARCHRESULTSTREE, ID_SEARCHRESULTPANELRESETBUTTON,

    52

] = [wx.NewId() for _init_ctrls in range(4)]

    53

    54

    55

class SearchResultPanel(wx.Panel):

    56

    57

    if wx.VERSION < (2, 6, 0):

    58

        def Bind(self, event, function, id=None):

    59

            if id is not None:

    60

                event(self, id, function)

    61

            else:

    62

                event(self, function)

    63

    64

    def _init_coll_MainSizer_Items(self, parent):

    65

        parent.AddSizer(self.HeaderSizer, 0, border=0, flag=wx.GROW)

    66

        parent.AddWindow(self.SearchResultsTree, 1, border=0, flag=wx.GROW)

    67

    68

    def _init_coll_MainSizer_Growables(self, parent):

    69

        parent.AddGrowableCol(0)

    70

        parent.AddGrowableRow(1)

    71

    72

    def _init_coll_HeaderSizer_Items(self, parent):

    73

        parent.AddWindow(self.HeaderLabel, 1, border=5, flag=wx.LEFT | wx.RIGHT | wx.ALIGN_CENTER_VERTICAL)

    74

        parent.AddWindow(self.ResetButton, 0, border=0, flag=0)

    75

    76

    def _init_coll_HeaderSizer_Growables(self, parent):

    77

        parent.AddGrowableCol(0)

    78

    79

    def _init_sizers(self):

    80

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

    81

        self.HeaderSizer = wx.BoxSizer(wx.HORIZONTAL)

    82

    83

        self._init_coll_MainSizer_Items(self.MainSizer)

    84

        self._init_coll_MainSizer_Growables(self.MainSizer)

    85

        self._init_coll_HeaderSizer_Items(self.HeaderSizer)

    86

    87

        self.SetSizer(self.MainSizer)

    88

    89

    def _init_ctrls(self, prnt):

    90

        wx.Panel.__init__(self, id=ID_SEARCHRESULTPANEL,

    91

                          name='SearchResultPanel', parent=prnt, pos=wx.Point(0, 0),

    92

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

    93

    94

        self.HeaderLabel = wx.StaticText(id=ID_SEARCHRESULTPANELHEADERLABEL,

    95

                                         name='HeaderLabel', parent=self,

    96

                                         pos=wx.Point(0, 0), size=wx.Size(0, 17), style=0)

    97

    98

        search_results_tree_style = CT.TR_HAS_BUTTONS | CT.TR_NO_LINES | CT.TR_HAS_VARIABLE_ROW_HEIGHT

    99

        self.SearchResultsTree = CT.CustomTreeCtrl(id=ID_SEARCHRESULTPANELSEARCHRESULTSTREE,

   100

                                                   name="SearchResultsTree", parent=self,

   101

                                                   pos=wx.Point(0, 0), style=search_results_tree_style)

   102

        if wx.VERSION >= (2, 8, 11):

   103

            self.SearchResultsTree.SetAGWWindowStyleFlag(search_results_tree_style)

   104

        self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnSearchResultsTreeItemActivated,

   105

                  id=ID_SEARCHRESULTPANELSEARCHRESULTSTREE)

   106

   107

        self.ResetButton = wx.lib.buttons.GenBitmapButton(

   108

            self, bitmap=GetBitmap("reset"),

   109

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

   110

        self.ResetButton.SetToolTipString(_("Reset search result"))

   111

        self.Bind(wx.EVT_BUTTON, self.OnResetButton, self.ResetButton)

   112

   113

        self._init_sizers()

   114

   115

    def __init__(self, parent, window):

   116

        self.ParentWindow = window

   117

   118

        self._init_ctrls(parent)

   119

   120

        # Define Tree item icon list

   121

        self.TreeImageList = wx.ImageList(16, 16)

   122

        self.TreeImageDict = {}

   123

   124

        # Icons for other items

   125

        for imgname, itemtype in [

   126

                # editables

   127

                ("PROJECT",        ITEM_PROJECT),

   128

                ("TRANSITION",     ITEM_TRANSITION),

   129

                ("ACTION",         ITEM_ACTION),

   130

                ("CONFIGURATION",  ITEM_CONFIGURATION),

   131

                ("RESOURCE",       ITEM_RESOURCE),

   132

                ("DATATYPE",       ITEM_DATATYPE),

   133

                ("ACTION",         "action_block"),

   134

                ("IL",             "IL"),

   135

                ("ST",             "ST")]:

   136

            self.TreeImageDict[itemtype] = self.TreeImageList.Add(GetBitmap(imgname))

   137

   138

        for itemtype in ["function", "functionBlock", "program",

   139

                         "comment", "block", "io_variable",

   140

                         "connector", "contact", "coil",

   141

                         "step", "transition", "jump",

   142

                         "var_local", "var_input",

   143

                         "var_inout", "var_output"]:

   144

            self.TreeImageDict[itemtype] = self.TreeImageList.Add(GetBitmap(itemtype.upper()))

   145

   146

        # Assign icon list to TreeCtrl

   147

        self.SearchResultsTree.SetImageList(self.TreeImageList)

   148

   149

        self.ResetSearchResults()

   150

   151

    def SetSearchResults(self, criteria, search_results):

   152

        self.Criteria = criteria

   153

        self.SearchResults = {}

   154

        self.ElementsOrder = []

   155

   156

        for infos, start, end, text in search_results:

   157

            if infos[0] not in self.ElementsOrder:

   158

                self.ElementsOrder.append(infos[0])

   159

   160

            results = self.SearchResults.setdefault(infos[0], [])

   161

            results.append((infos, start, end, text))

   162

   163

        self.RefreshView()

   164

   165

    def ResetSearchResults(self):

   166

        self.Criteria = None

   167

        self.ElementsOrder = []

   168

        self.SearchResults = {}

   169

        self.RefreshView()

   170

   171

    def RefreshView(self):

   172

        self.SearchResultsTree.DeleteAllItems()

   173

        if self.Criteria is None:

   174

            self.HeaderLabel.SetLabel(_("No search results available."))

   175

            self.ResetButton.Enable(False)

   176

        else:

   177

            matches_number = 0

   178

            search_results_tree_infos = {

   179

                "name": _("Project '%s':") % self.ParentWindow.Controler.GetProjectName(),

   180

                "type": ITEM_PROJECT,

   181

                "data": None,

   182

                "text": None,

   183

                "matches": None,

   184

            }

   185

            search_results_tree_children = search_results_tree_infos.setdefault("children", [])

   186

            for tagname in self.ElementsOrder:

   187

                results = self.SearchResults.get(tagname, [])

   188

                matches_number += len(results)

   189

   190

                words = tagname.split("::")

   191

   192

                element_type = self.ParentWindow.Controler.GetElementType(tagname)

   193

                if element_type == ITEM_POU:

   194

                    element_type = self.ParentWindow.Controler.GetPouType(words[1])

   195

   196

                element_infos = {"name": words[-1],

   197

                                 "type": element_type,

   198

                                 "data": tagname,

   199

                                 "text": None,

   200

                                 "matches": len(results)}

   201

   202

                children = element_infos.setdefault("children", [])

   203

                for infos, start, end, text in results:

   204

                    if infos[1] == "name" or element_type == ITEM_DATATYPE:

   205

                        child_name = GenerateName(infos[1:])

   206

                        child_type = element_type

   207

                    else:

   208

                        if element_type == ITEM_RESOURCE:

   209

                            child_type = element_type

   210

                        else:

   211

                            child_type = infos[1]

   212

                        if child_type == "name":

   213

                            child_name = "name"

   214

                        elif child_type == "body":

   215

                            child_name = "body"

   216

                            if element_type == ITEM_TRANSITION:

   217

                                child_type = self.ParentWindow.Controler.GetTransitionBodyType(words[1], words[2])

   218

                            elif element_type == ITEM_ACTION:

   219

                                child_type = self.ParentWindow.Controler.GetActionBodyType(words[1], words[2])

   220

                            else:

   221

                                child_type = self.ParentWindow.Controler.GetPouBodyType(words[1])

   222

                        else:

   223

                            child_name = GenerateName(infos[3:])

   224

                    child_infos = {

   225

                        "name": child_name,

   226

                        "type": child_type,

   227

                        "data": (infos, start, end, None),

   228

                        "text": text,

   229

                        "matches": 1,

   230

                        "children": [],

   231

                    }

   232

                    children.append(child_infos)

   233

   234

                if len(words) > 2:

   235

                    for _element_infos in search_results_tree_children:

   236

                        if _element_infos["name"] == words[1]:

   237

                            _element_infos["matches"] += len(children)

   238

                            _element_infos["children"].append(element_infos)

   239

                            break

   240

                    if element_type == ITEM_RESOURCE:

   241

                        search_results_tree_children.append(element_infos)

   242

                else:

   243

                    search_results_tree_children.append(element_infos)

   244

   245

            if matches_number < 2:

   246

                header_format = _("'{a1}' - {a2} match in project")

   247

            else:

   248

                header_format = _("'{a1}' - {a2} matches in project")

   249

   250

            self.HeaderLabel.SetLabel(header_format.format(a1=self.Criteria["find_pattern"], a2=matches_number))

   251

            self.ResetButton.Enable(True)

   252

   253

            if matches_number > 0:

   254

                root = self.SearchResultsTree.GetRootItem()

   255

                if root is None:

   256

                    root = self.SearchResultsTree.AddRoot(search_results_tree_infos["name"])

   257

                self.GenerateSearchResultsTreeBranch(root, search_results_tree_infos)

   258

                self.SearchResultsTree.Expand(root)

   259

   260

    def GetTextCtrlClickFunction(self, item):

   261

        def OnTextCtrlClick(event):

   262

            self.SearchResultsTree.SelectItem(item)

   263

            event.Skip()

   264

        return OnTextCtrlClick

   265

   266

    def GetTextCtrlDClickFunction(self, item):

   267

        def OnTextCtrlDClick(event):

   268

            self.ShowSearchResults(item)

   269

            event.Skip()

   270

        return OnTextCtrlDClick

   271

   272

    def GenerateSearchResultsTreeBranch(self, root, infos):

   273

        to_delete = []

   274

        if infos["name"] == "body":

   275

            item_name = "%d:" % infos["data"][1][0]

   276

        else:

   277

            item_name = infos["name"]

   278

   279

        self.SearchResultsTree.SetItemText(root, item_name)

   280

        self.SearchResultsTree.SetPyData(root, infos["data"])

   281

        self.SearchResultsTree.SetItemBackgroundColour(root, wx.WHITE)

   282

        self.SearchResultsTree.SetItemTextColour(root, wx.BLACK)

   283

        if infos["type"] is not None:

   284

            if infos["type"] == ITEM_POU:

   285

                self.SearchResultsTree.SetItemImage(root, self.TreeImageDict[self.ParentWindow.Controler.GetPouType(infos["name"])])

   286

            else:

   287

                self.SearchResultsTree.SetItemImage(root, self.TreeImageDict[infos["type"]])

   288

   289

        text = None

   290

        if infos["text"] is not None:

   291

            text = infos["text"]

   292

            start, end = infos["data"][1:3]

   293

            text_lines = infos["text"].splitlines()

   294

            start_idx = start[1]

   295

            end_idx = reduce(lambda x, y: x + y, map(lambda x: len(x) + 1, text_lines[:end[0] - start[0]]), end[1] + 1)

   296

            style = wx.TextAttr(wx.BLACK, wx.Colour(206, 204, 247))

   297

        elif infos["type"] is not None and infos["matches"] > 1:

   298

            text = _("(%d matches)") % infos["matches"]

   299

            start_idx, end_idx = 0, len(text)

   300

            style = wx.TextAttr(wx.Colour(0, 127, 174))

   301

   302

        if text is not None:

   303

            text_ctrl_style = wx.BORDER_NONE | wx.TE_READONLY | wx.TE_RICH2

   304

            if wx.Platform != '__WXMSW__' or len(text.splitlines()) > 1:

   305

                text_ctrl_style |= wx.TE_MULTILINE

   306

            text_ctrl = wx.TextCtrl(id=-1, parent=self.SearchResultsTree, pos=wx.Point(0, 0),

   307

                                    value=text, style=text_ctrl_style)

   308

            width, height = text_ctrl.GetTextExtent(text)

   309

            text_ctrl.SetClientSize(wx.Size(width + 1, height))

   310

            text_ctrl.SetBackgroundColour(self.SearchResultsTree.GetBackgroundColour())

   311

            text_ctrl.Bind(wx.EVT_LEFT_DOWN, self.GetTextCtrlClickFunction(root))

   312

            text_ctrl.Bind(wx.EVT_LEFT_DCLICK, self.GetTextCtrlDClickFunction(root))

   313

            text_ctrl.SetInsertionPoint(0)

   314

            text_ctrl.SetStyle(start_idx, end_idx, style)

   315

            self.SearchResultsTree.SetItemWindow(root, text_ctrl)

   316

   317

        if wx.VERSION >= (2, 6, 0):

   318

            item, root_cookie = self.SearchResultsTree.GetFirstChild(root)

   319

        else:

   320

            item, root_cookie = self.SearchResultsTree.GetFirstChild(root, 0)

   321

        for child in infos["children"]:

   322

            if item is None:

   323

                item = self.SearchResultsTree.AppendItem(root, "")

   324

                item, root_cookie = self.SearchResultsTree.GetNextChild(root, root_cookie)

   325

            self.GenerateSearchResultsTreeBranch(item, child)

   326

            item, root_cookie = self.SearchResultsTree.GetNextChild(root, root_cookie)

   327

   328

    def ShowSearchResults(self, item):

   329

        data = self.SearchResultsTree.GetPyData(item)

   330

        if isinstance(data, TupleType):

   331

            search_results = [data]

   332

        else:

   333

            search_results = self.SearchResults.get(data, [])

   334

        self.ParentWindow.ClearHighlights(SEARCH_RESULT_HIGHLIGHT)

   335

        for infos, start, end, text in search_results:

   336

            self.ParentWindow.ShowSearchResult(infos, start, end)

   337

   338

    def OnSearchResultsTreeItemActivated(self, event):

   339

        self.ShowSearchResults(event.GetItem())

   340

        event.Skip()

   341

   342

    def OnResetButton(self, event):

   343

        self.ResetSearchResults()

   344

        self.ParentWindow.ClearSearchResults()

   345

        event.Skip()