dialogs/BrowseLocationsDialog.py
author laurent
Wed, 12 Sep 2012 01:17:01 +0200
changeset 828 319dac4c4fd3
parent 814 5743cbdff669
child 829 4e84161cce19
permissions -rw-r--r--
Fix debug of Action and Transition defined in FBD and LD using Viewer
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#
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#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
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#
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#See COPYING file for copyrights details.
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#
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#This library is free software; you can redistribute it and/or
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#modify it under the terms of the GNU General Public
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#License as published by the Free Software Foundation; either
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#version 2.1 of the License, or (at your option) any later version.
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#
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#This library is distributed in the hope that it will be useful,
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#but WITHOUT ANY WARRANTY; without even the implied warranty of
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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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#General Public License for more details.
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#
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#You should have received a copy of the GNU General Public
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#License along with this library; if not, write to the Free Software
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#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import os
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import wx
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from plcopen.structures import LOCATIONDATATYPES
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from PLCControler import LOCATION_CONFNODE, LOCATION_MODULE, LOCATION_GROUP, LOCATION_VAR_INPUT, LOCATION_VAR_OUTPUT, LOCATION_VAR_MEMORY
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#-------------------------------------------------------------------------------
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#                                   Helpers
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#-------------------------------------------------------------------------------
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CWD = os.path.split(os.path.split(os.path.realpath(__file__))[0])[0]
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def GetDirChoiceOptions():
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    _ = lambda x : x
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    return [(_("All"), [LOCATION_VAR_INPUT, LOCATION_VAR_OUTPUT, LOCATION_VAR_MEMORY]), 
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            (_("Input"), [LOCATION_VAR_INPUT]), 
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            (_("Output"), [LOCATION_VAR_OUTPUT]), 
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            (_("Memory"), [LOCATION_VAR_MEMORY])]
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DIRCHOICE_OPTIONS_FILTER = dict([(_(option), filter) for option, filter in GetDirChoiceOptions()])
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# turn LOCATIONDATATYPES inside-out
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LOCATION_SIZES = {}
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for size, types in LOCATIONDATATYPES.iteritems():
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    for type in types:
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        LOCATION_SIZES[type] = size
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#-------------------------------------------------------------------------------
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#                            Browse Locations Dialog
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#-------------------------------------------------------------------------------
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class BrowseLocationsDialog(wx.Dialog):
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    def __init__(self, parent, var_type, locations):
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        wx.Dialog.__init__(self, parent,  
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              size=wx.Size(600, 400), title=_('Browse Locations'))
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        main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)
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        main_sizer.AddGrowableCol(0)
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        main_sizer.AddGrowableRow(1)
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        locations_label = wx.StaticText(self, label=_('Locations available:'))
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        main_sizer.AddWindow(locations_label, border=20, 
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              flag=wx.TOP|wx.LEFT|wx.RIGHT|wx.GROW)
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        self.LocationsTree = wx.TreeCtrl(self, 
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              style=wx.TR_HAS_BUTTONS|wx.TR_SINGLE|wx.SUNKEN_BORDER|wx.TR_HIDE_ROOT|wx.TR_LINES_AT_ROOT)
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        self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnLocationsTreeItemActivated, 
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                  self.LocationsTree)
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        main_sizer.AddWindow(self.LocationsTree, border=20, 
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              flag=wx.LEFT|wx.RIGHT|wx.GROW)
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        button_gridsizer = wx.FlexGridSizer(cols=3, hgap=5, rows=1, vgap=0)
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        button_gridsizer.AddGrowableCol(2)
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        button_gridsizer.AddGrowableRow(0)
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        main_sizer.AddSizer(button_gridsizer, border=20, 
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              flag=wx.BOTTOM|wx.LEFT|wx.RIGHT|wx.GROW)
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        direction_label = wx.StaticText(self, label=_('Direction:'))
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        button_gridsizer.AddWindow(direction_label,
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              flag=wx.ALIGN_CENTER_VERTICAL)
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        self.DirChoice = wx.ComboBox(self, style=wx.CB_READONLY)
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        self.Bind(wx.EVT_COMBOBOX, self.OnDirChoice, self.DirChoice)
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        button_gridsizer.AddWindow(self.DirChoice,
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              flag=wx.ALIGN_CENTER_VERTICAL)
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        button_sizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE)
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        self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton())
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        button_gridsizer.AddWindow(button_sizer, flag=wx.ALIGN_RIGHT)
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        self.SetSizer(main_sizer)
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        self.VarType = var_type
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        self.Locations = locations
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        # Define Tree item icon list
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        self.TreeImageList = wx.ImageList(16, 16)
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        self.TreeImageDict = {}
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        # Icons for items
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        for imgname, itemtype in [
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            ("CONFIGURATION", LOCATION_CONFNODE), 
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            ("RESOURCE",      LOCATION_MODULE), 
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            ("PROGRAM",       LOCATION_GROUP), 
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            ("VAR_INPUT",     LOCATION_VAR_INPUT), 
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            ("VAR_OUTPUT",    LOCATION_VAR_OUTPUT), 
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            ("VAR_LOCAL",     LOCATION_VAR_MEMORY)]:
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            self.TreeImageDict[itemtype]=self.TreeImageList.Add(wx.Bitmap(os.path.join(CWD, 'Images', '%s.png'%imgname)))
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        # Assign icon list to TreeCtrls
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        self.LocationsTree.SetImageList(self.TreeImageList)
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        # Set a options for the choice
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        for option, filter in GetDirChoiceOptions():
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            self.DirChoice.Append(_(option))
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        self.DirChoice.SetStringSelection(_("All"))
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        self.RefreshFilter()
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        self.RefreshLocationsTree()
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    def RefreshFilter(self):
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        self.Filter = DIRCHOICE_OPTIONS_FILTER[self.DirChoice.GetStringSelection()]
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    def RefreshLocationsTree(self):
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        root = self.LocationsTree.GetRootItem()
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        if not root.IsOk():
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            root = self.LocationsTree.AddRoot("")
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        self.GenerateLocationsTreeBranch(root, self.Locations)
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    def GenerateLocationsTreeBranch(self, root, locations):
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        to_delete = []
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        item, root_cookie = self.LocationsTree.GetFirstChild(root)
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        for loc_infos in locations:
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            infos = loc_infos.copy()
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            if infos["type"] in [LOCATION_CONFNODE, LOCATION_MODULE, LOCATION_GROUP] or\
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               infos["type"] in self.Filter and (infos["IEC_type"] == self.VarType or
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               infos["IEC_type"] is None and LOCATION_SIZES[self.VarType] == infos["size"]):
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                children = [child for child in infos.pop("children")]
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                if not item.IsOk():
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                    item = self.LocationsTree.AppendItem(root, infos["name"])
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                    if wx.Platform != '__WXMSW__':
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                        item, root_cookie = self.LocationsTree.GetNextChild(root, root_cookie)
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                else:
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                    self.LocationsTree.SetItemText(item, infos["name"])
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                self.LocationsTree.SetPyData(item, infos)
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                self.LocationsTree.SetItemImage(item, self.TreeImageDict[infos["type"]])
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                self.GenerateLocationsTreeBranch(item, children)
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                item, root_cookie = self.LocationsTree.GetNextChild(root, root_cookie)
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        while item.IsOk():
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            to_delete.append(item)
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            item, root_cookie = self.LocationsTree.GetNextChild(root, root_cookie)
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        for item in to_delete:
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            self.LocationsTree.Delete(item)
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    def OnLocationsTreeItemActivated(self, event):
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        infos = self.LocationsTree.GetPyData(event.GetItem())
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        if infos["type"] not in [LOCATION_CONFNODE, LOCATION_MODULE, LOCATION_GROUP]:
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            wx.CallAfter(self.EndModal, wx.ID_OK)
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        event.Skip()
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    def OnDirChoice(self, event):
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        self.RefreshFilter()
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        self.RefreshLocationsTree()
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    def GetValues(self):
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        selected = self.LocationsTree.GetSelection()
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        return self.LocationsTree.GetPyData(selected)
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    def OnOK(self, event):
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        selected = self.LocationsTree.GetSelection()
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        var_infos = None
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        if selected.IsOk():
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            var_infos = self.LocationsTree.GetPyData(selected)
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        if var_infos is None or var_infos["type"] in [LOCATION_CONFNODE, LOCATION_MODULE, LOCATION_GROUP]:
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            dialog = wx.MessageDialog(self, _("A location must be selected!"), _("Error"), wx.OK|wx.ICON_ERROR)
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            dialog.ShowModal()
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            dialog.Destroy()
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        else:
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            self.EndModal(wx.ID_OK)