#!/usr/bin/env python
# -*- coding: utf-8 -*-
#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor
#based on the plcopen standard.
#
#Copyright (C) 2012: 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
import wx.lib.buttons
import wx.lib.agw.customtreectrl as CT
from PLCControler import ITEMS_VARIABLE, ITEM_CONFIGURATION, ITEM_RESOURCE, ITEM_POU
class PouInstanceVariablesPanel(wx.Panel):
def __init__(self, parent, window, controller, debug):
wx.Panel.__init__(self, name='PouInstanceTreePanel',
parent=parent, pos=wx.Point(0, 0),
size=wx.Size(0, 0), style=wx.TAB_TRAVERSAL)
self.ParentButton = wx.lib.buttons.GenBitmapButton(
name='ParentButton', parent=self,
bitmap=window.GenerateBitmap("up"),
pos=wx.Point(0, 0), size=wx.Size(28, 28),
style=wx.NO_BORDER)
self.Bind(wx.EVT_BUTTON, self.OnParentButtonClick,
self.ParentButton)
self.InstanceChoice = wx.ComboBox(name='InstanceChoice',
parent=self, pos=wx.Point(0, 0),
size=wx.Size(0, 28), style=wx.CB_READONLY)
self.Bind(wx.EVT_COMBOBOX, self.OnInstanceChoiceChanged,
self.InstanceChoice)
self.InstanceChoice.Bind(wx.EVT_LEFT_DOWN, self.OnInstanceChoiceLeftDown)
self.DebugButton = wx.lib.buttons.GenBitmapButton(
name='DebugButton', parent=self,
bitmap=window.GenerateBitmap("debug"),
pos=wx.Point(0, 0), size=wx.Size(28, 28),
style=wx.NO_BORDER)
self.Bind(wx.EVT_BUTTON, self.OnDebugButtonClick,
self.DebugButton)
self.VariablesList = CT.CustomTreeCtrl(
name='VariablesList', parent=self,
pos=wx.Point(0, 0), size=wx.Size(0, 0),
style=wx.SUNKEN_BORDER,
agwStyle=CT.TR_NO_BUTTONS|
CT.TR_SINGLE|
CT.TR_HAS_VARIABLE_ROW_HEIGHT|
CT.TR_HIDE_ROOT|
CT.TR_NO_LINES|
getattr(CT, "TR_ALIGN_WINDOWS_RIGHT", CT.TR_ALIGN_WINDOWS))
self.VariablesList.SetIndent(0)
self.VariablesList.SetSpacing(5)
self.VariablesList.DoSelectItem = lambda *x,**y:True
self.VariablesList.Bind(CT.EVT_TREE_ITEM_ACTIVATED,
self.OnVariablesListItemActivated)
self.VariablesList.Bind(wx.EVT_LEFT_DOWN, self.OnVariablesListLeftDown)
buttons_sizer = wx.FlexGridSizer(cols=3, hgap=0, rows=1, vgap=0)
buttons_sizer.AddWindow(self.ParentButton, 0, border=0, flag=0)
buttons_sizer.AddWindow(self.InstanceChoice, 0, border=0, flag=wx.GROW)
buttons_sizer.AddWindow(self.DebugButton, 0, border=0, flag=0)
buttons_sizer.AddGrowableCol(1)
buttons_sizer.AddGrowableRow(0)
main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=0)
main_sizer.AddSizer(buttons_sizer, 0, border=0, flag=wx.GROW)
main_sizer.AddWindow(self.VariablesList, 0, border=0, flag=wx.GROW)
main_sizer.AddGrowableCol(0)
main_sizer.AddGrowableRow(1)
self.SetSizer(main_sizer)
self.ParentWindow = window
self.Controller = controller
self.Debug = debug
if not self.Debug:
self.DebugButton.Hide()
self.PouTagName = None
self.PouInfos = None
self.PouInstance = None
def __del__(self):
self.Controller = None
def SetTreeImageList(self, tree_image_list):
self.VariablesList.SetImageList(tree_image_list)
def SetController(self, controller):
self.Controller = controller
self.RefreshView()
def SetPouType(self, tagname, pou_instance=None):
self.PouTagName = tagname
if pou_instance is not None:
self.PouInstance = pou_instance
self.RefreshView()
def ResetView(self):
self.Controller = None
self.PouTagName = None
self.PouInfos = None
self.PouInstance = None
self.RefreshView()
def RefreshView(self):
self.VariablesList.DeleteAllItems()
self.InstanceChoice.Clear()
self.InstanceChoice.SetValue("")
if self.Controller is not None and self.PouTagName is not None:
self.PouInfos = self.Controller.GetPouVariables(self.PouTagName, self.Debug)
else:
self.PouInfos = None
if self.PouInfos is not None:
root = self.VariablesList.AddRoot("")
for var_infos in self.PouInfos["variables"]:
if var_infos.get("type", None) is not None:
text = "%(name)s (%(type)s)" % var_infos
else:
text = var_infos["name"]
panel = wx.Panel(self.VariablesList)
buttons = []
if var_infos["class"] in ITEMS_VARIABLE:
if (var_infos["debug"] and self.Debug and
(self.Controller.IsOfType(var_infos["type"], "ANY_NUM", True) or
self.Controller.IsOfType(var_infos["type"], "ANY_BIT", True))):
graph_button = wx.lib.buttons.GenBitmapButton(name="graph",
parent=panel, bitmap=self.ParentWindow.GenerateBitmap("graph"),
pos=wx.Point(0, 0), size=wx.Size(28, 28), style=wx.NO_BORDER)
self.Bind(wx.EVT_BUTTON, self.GenGraphButtonCallback(var_infos), graph_button)
buttons.append(graph_button)
elif var_infos["edit"]:
edit_button = wx.lib.buttons.GenBitmapButton(name="edit",
parent=panel, bitmap=self.ParentWindow.GenerateBitmap("edit"),
pos=wx.Point(0, 0), size=wx.Size(28, 28), style=wx.NO_BORDER)
self.Bind(wx.EVT_BUTTON, self.GenEditButtonCallback(var_infos), edit_button)
buttons.append(edit_button)
if var_infos["debug"] and self.Debug:
debug_button = wx.lib.buttons.GenBitmapButton(name="debug",
parent=panel, bitmap=self.ParentWindow.GenerateBitmap("debug"),
pos=wx.Point(0, 0), size=wx.Size(28, 28), style=wx.NO_BORDER)
self.Bind(wx.EVT_BUTTON, self.GenDebugButtonCallback(var_infos), debug_button)
buttons.append(debug_button)
button_num = len(buttons)
if button_num > 0:
panel.SetSize(wx.Size(button_num * 32, 28))
panel.SetBackgroundColour(self.VariablesList.GetBackgroundColour())
panel_sizer = wx.BoxSizer(wx.HORIZONTAL)
panel.SetSizer(panel_sizer)
for button in buttons:
panel_sizer.AddWindow(button, 0, border=4, flag=wx.LEFT)
panel_sizer.Layout()
else:
panel.Destroy()
panel = None
item = self.VariablesList.AppendItem(root, text, wnd=panel)
self.VariablesList.SetItemImage(item, self.ParentWindow.GetTreeImage(var_infos["class"]))
self.VariablesList.SetPyData(item, var_infos)
instances = self.Controller.SearchPouInstances(self.PouTagName, self.Debug)
for instance in instances:
self.InstanceChoice.Append(instance)
if len(instances) == 1:
self.PouInstance = instances[0]
if self.PouInfos["class"] in [ITEM_CONFIGURATION, ITEM_RESOURCE]:
self.PouInstance = None
self.InstanceChoice.SetSelection(0)
elif self.PouInstance in instances:
self.InstanceChoice.SetStringSelection(self.PouInstance)
else:
self.PouInstance = None
self.InstanceChoice.SetValue(_("Select an instance"))
self.RefreshButtons()
def RefreshButtons(self):
enabled = self.InstanceChoice.GetSelection() != -1
self.ParentButton.Enable(enabled and self.PouInfos["class"] != ITEM_CONFIGURATION)
self.DebugButton.Enable(enabled and self.PouInfos["debug"] and self.Debug)
root = self.VariablesList.GetRootItem()
if root is not None and root.IsOk():
item, item_cookie = self.VariablesList.GetFirstChild(root)
while item is not None and item.IsOk():
panel = self.VariablesList.GetItemWindow(item)
if panel is not None:
for child in panel.GetChildren():
if child.GetName() != "edit":
child.Enable(enabled)
item, item_cookie = self.VariablesList.GetNextChild(root, item_cookie)
def GenEditButtonCallback(self, infos):
def EditButtonCallback(event):
var_class = infos["class"]
if var_class == ITEM_RESOURCE:
tagname = self.Controller.ComputeConfigurationResourceName(
self.InstanceChoice.GetStringSelection(),
infos["name"])
else:
var_class = ITEM_POU
tagname = self.Controller.ComputePouName(infos["type"])
self.ParentWindow.EditProjectElement(var_class, tagname)
event.Skip()
return EditButtonCallback
def GenDebugButtonCallback(self, infos):
def DebugButtonCallback(event):
if self.InstanceChoice.GetSelection() != -1:
var_class = infos["class"]
var_path = "%s.%s" % (self.InstanceChoice.GetStringSelection(),
infos["name"])
if var_class in ITEMS_VARIABLE:
self.ParentWindow.AddDebugVariable(var_path, force=True)
else:
self.ParentWindow.OpenDebugViewer(
infos["class"],
var_path,
self.Controller.ComputePouName(infos["type"]))
event.Skip()
return DebugButtonCallback
def GenGraphButtonCallback(self, infos):
def GraphButtonCallback(event):
if self.InstanceChoice.GetSelection() != -1:
if infos["class"] in ITEMS_VARIABLE:
var_path = "%s.%s" % (self.InstanceChoice.GetStringSelection(),
infos["name"])
self.ParentWindow.OpenGraphicViewer(var_path)
event.Skip()
return GraphButtonCallback
def ShowInstanceChoicePopup(self):
self.InstanceChoice.SetFocusFromKbd()
size = self.InstanceChoice.GetSize()
event = wx.MouseEvent(wx.EVT_LEFT_DOWN._getEvtType())
event.m_x = size.width / 2
event.m_y = size.height / 2
event.SetEventObject(self.InstanceChoice)
#event = wx.KeyEvent(wx.EVT_KEY_DOWN._getEvtType())
#event.m_keyCode = wx.WXK_SPACE
self.InstanceChoice.GetEventHandler().ProcessEvent(event)
def OnParentButtonClick(self, event):
if self.InstanceChoice.GetSelection() != -1:
parent_path = self.InstanceChoice.GetStringSelection().rsplit(".", 1)[0]
tagname = self.Controller.GetPouInstanceTagName(parent_path, self.Debug)
if tagname is not None:
wx.CallAfter(self.SetPouType, tagname, parent_path)
wx.CallAfter(self.ParentWindow.SelectProjectTreeItem, tagname)
event.Skip()
def OnInstanceChoiceChanged(self, event):
self.RefreshButtons()
event.Skip()
def OnDebugButtonClick(self, event):
if self.InstanceChoice.GetSelection() != -1:
self.ParentWindow.OpenDebugViewer(
self.PouInfos["class"],
self.InstanceChoice.GetStringSelection(),
self.PouTagName)
event.Skip()
def OnVariablesListItemActivated(self, event):
if self.InstanceChoice.GetSelection() != -1:
instance_path = self.InstanceChoice.GetStringSelection()
selected_item = event.GetItem()
if selected_item is not None and selected_item.IsOk():
item_infos = self.VariablesList.GetPyData(selected_item)
if item_infos is not None and item_infos["class"] not in ITEMS_VARIABLE:
if item_infos["class"] == ITEM_RESOURCE:
tagname = self.Controller.ComputeConfigurationResourceName(
instance_path,
item_infos["name"])
else:
tagname = self.Controller.ComputePouName(item_infos["type"])
item_path = "%s.%s" % (instance_path, item_infos["name"])
wx.CallAfter(self.SetPouType, tagname, item_path)
wx.CallAfter(self.ParentWindow.SelectProjectTreeItem, tagname)
event.Skip()
def OnVariablesListLeftDown(self, event):
if self.InstanceChoice.GetSelection() == -1:
wx.CallAfter(self.ShowInstanceChoicePopup)
event.Skip()
def OnInstanceChoiceLeftDown(self, event):
event.Skip()