1

#

     2

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

     3

#

     4

#See COPYING file for copyrights details.

     5

#

     6

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

     7

#modify it under the terms of the GNU General Public

     8

#License as published by the Free Software Foundation; either

     9

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

    10

#

    11

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

    12

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

    13

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

    14

#General Public License for more details.

    15

#

    16

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

    17

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

    18

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

    19

    20

import os

    21

    22

import wx

    23

    24

from plcopen.structures import LOCATIONDATATYPES

    25

from PLCControler import LOCATION_CONFNODE, LOCATION_MODULE, LOCATION_GROUP, LOCATION_VAR_INPUT, LOCATION_VAR_OUTPUT, LOCATION_VAR_MEMORY

    27

    28

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

    29

#                                   Helpers

    30

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

    31

    32

def GetDirChoiceOptions():

    33

    _ = lambda x : x

    34

    return [(_("All"), [LOCATION_VAR_INPUT, LOCATION_VAR_OUTPUT, LOCATION_VAR_MEMORY]), 

    35

            (_("Input"), [LOCATION_VAR_INPUT]), 

    36

            (_("Output"), [LOCATION_VAR_OUTPUT]), 

    37

            (_("Memory"), [LOCATION_VAR_MEMORY])]

    38

DIRCHOICE_OPTIONS_FILTER = dict([(_(option), filter) for option, filter in GetDirChoiceOptions()])

    39

    40

# turn LOCATIONDATATYPES inside-out

    41

LOCATION_SIZES = {}

    42

for size, types in LOCATIONDATATYPES.iteritems():

    43

    for type in types:

    44

        LOCATION_SIZES[type] = size

    45

    46

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

    47

#                            Browse Locations Dialog

    48

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

    49

    50

class BrowseLocationsDialog(wx.Dialog):

    51

    52

    def __init__(self, parent, var_type, locations):

    53

        wx.Dialog.__init__(self, parent,  

    54

              size=wx.Size(600, 400), title=_('Browse Locations'))

    55

    56

        main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)

    57

        main_sizer.AddGrowableCol(0)

    58

        main_sizer.AddGrowableRow(1)

    59

    60

        locations_label = wx.StaticText(self, label=_('Locations available:'))

    61

        main_sizer.AddWindow(locations_label, border=20, 

    62

              flag=wx.TOP|wx.LEFT|wx.RIGHT|wx.GROW)

    63

    64

        self.LocationsTree = wx.TreeCtrl(self, 

    65

              style=wx.TR_HAS_BUTTONS|wx.TR_SINGLE|wx.SUNKEN_BORDER|wx.TR_HIDE_ROOT|wx.TR_LINES_AT_ROOT)

    66

        self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnLocationsTreeItemActivated, 

    67

                  self.LocationsTree)

    68

        main_sizer.AddWindow(self.LocationsTree, border=20, 

    69

              flag=wx.LEFT|wx.RIGHT|wx.GROW)

    70

    71

        button_gridsizer = wx.FlexGridSizer(cols=3, hgap=5, rows=1, vgap=0)

    72

        button_gridsizer.AddGrowableCol(2)

    73

        button_gridsizer.AddGrowableRow(0)

    74

        main_sizer.AddSizer(button_gridsizer, border=20, 

    75

              flag=wx.BOTTOM|wx.LEFT|wx.RIGHT|wx.GROW)

    76

    77

        direction_label = wx.StaticText(self, label=_('Direction:'))

    78

        button_gridsizer.AddWindow(direction_label,

    79

              flag=wx.ALIGN_CENTER_VERTICAL)

    80

    81

        self.DirChoice = wx.ComboBox(self, style=wx.CB_READONLY)

    82

        self.Bind(wx.EVT_COMBOBOX, self.OnDirChoice, self.DirChoice)

    83

        button_gridsizer.AddWindow(self.DirChoice,

    84

              flag=wx.ALIGN_CENTER_VERTICAL)

    85

    86

        button_sizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)

    87

        self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton())

    88

        button_gridsizer.AddWindow(button_sizer, flag=wx.ALIGN_RIGHT)

    89

    90

        self.SetSizer(main_sizer)

    91

    92

        self.VarType = var_type

    93

        self.Locations = locations

    94

    95

        # Define Tree item icon list

    96

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

    97

        self.TreeImageDict = {}

    98

    99

        # Icons for items

   100

        for imgname, itemtype in [

   101

            ("CONFIGURATION", LOCATION_CONFNODE), 

   102

            ("RESOURCE",      LOCATION_MODULE), 

   103

            ("PROGRAM",       LOCATION_GROUP), 

   104

            ("VAR_INPUT",     LOCATION_VAR_INPUT), 

   105

            ("VAR_OUTPUT",    LOCATION_VAR_OUTPUT), 

   106

            ("VAR_LOCAL",     LOCATION_VAR_MEMORY)]:

   108

   109

        # Assign icon list to TreeCtrls

   110

        self.LocationsTree.SetImageList(self.TreeImageList)

   111

   112

        # Set a options for the choice

   113

        for option, filter in GetDirChoiceOptions():

   114

            self.DirChoice.Append(_(option))

   115

        self.DirChoice.SetStringSelection(_("All"))

   116

        self.RefreshFilter()

   117

   118

        self.RefreshLocationsTree()

   119

   120

    def RefreshFilter(self):

   121

        self.Filter = DIRCHOICE_OPTIONS_FILTER[self.DirChoice.GetStringSelection()]

   122

   123

    def RefreshLocationsTree(self):

   124

        root = self.LocationsTree.GetRootItem()

   125

        if not root.IsOk():

   126

            root = self.LocationsTree.AddRoot("")

   127

        self.GenerateLocationsTreeBranch(root, self.Locations)

   128

   129

    def GenerateLocationsTreeBranch(self, root, locations):

   130

        to_delete = []

   131

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

   132

        for loc_infos in locations:

   133

            infos = loc_infos.copy()

   134

            if infos["type"] in [LOCATION_CONFNODE, LOCATION_MODULE, LOCATION_GROUP] or\

   135

               infos["type"] in self.Filter and (infos["IEC_type"] == self.VarType or

   136

               infos["IEC_type"] is None and LOCATION_SIZES[self.VarType] == infos["size"]):

   137

                children = [child for child in infos.pop("children")]

   138

                if not item.IsOk():

   139

                    item = self.LocationsTree.AppendItem(root, infos["name"])

   140

                    if wx.Platform != '__WXMSW__':

   141

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

   142

                else:

   143

                    self.LocationsTree.SetItemText(item, infos["name"])

   144

                self.LocationsTree.SetPyData(item, infos)

   145

                self.LocationsTree.SetItemImage(item, self.TreeImageDict[infos["type"]])

   146

                self.GenerateLocationsTreeBranch(item, children)

   147

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

   148

        while item.IsOk():

   149

            to_delete.append(item)

   150

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

   151

        for item in to_delete:

   152

            self.LocationsTree.Delete(item)

   153

   154

    def OnLocationsTreeItemActivated(self, event):

   155

        infos = self.LocationsTree.GetPyData(event.GetItem())

   156

        if infos["type"] not in [LOCATION_CONFNODE, LOCATION_MODULE, LOCATION_GROUP]:

   157

            wx.CallAfter(self.EndModal, wx.ID_OK)

   158

        event.Skip()

   159

   160

    def OnDirChoice(self, event):

   161

        self.RefreshFilter()

   162

        self.RefreshLocationsTree()

   163

   164

    def GetValues(self):

   165

        selected = self.LocationsTree.GetSelection()

   166

        return self.LocationsTree.GetPyData(selected)

   167

   168

    def OnOK(self, event):

   169

        selected = self.LocationsTree.GetSelection()

   170

        var_infos = None

   171

        if selected.IsOk():

   172

            var_infos = self.LocationsTree.GetPyData(selected)

   173

        if var_infos is None or var_infos["type"] in [LOCATION_CONFNODE, LOCATION_MODULE, LOCATION_GROUP]:

   174

            dialog = wx.MessageDialog(self, _("A location must be selected!"), _("Error"), wx.OK|wx.ICON_ERROR)

   175

            dialog.ShowModal()

   176

            dialog.Destroy()

   177

        else:

   178

            self.EndModal(wx.ID_OK)