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WfViewer.py
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WfViewer.py
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#!/usr/bin/python27 -u
import sys
import tkFileDialog
import tkMessageBox
from Tkinter import *
sys.path.append("./wfwidget")
sys.path.append("./wfm")
sys.path.append("./algor")
from WfCanvas import *
from WfActivity import *
from WfLayoutManager import *
from WfMultiListbox import *
from WfElasticLayout import *
from WfmFromFile import *
from WfmFromXML import *
from WfmFromProj import *
from SaveWfmToFile import *
from Soundness import *
from LocalOptCorrect import *
from ExtAndComb import *
class WfViewer(Frame):
def __init__(self, master=None, width=1100, height=600):
Frame.__init__(self, master, width=1100, height=600)
self.grid(sticky=N+E+S+W)
self.wfm = None
self.view = None
top = self.winfo_toplevel()
top.rowconfigure(0, weight=1)
top.columnconfigure(0, weight=1)
self.menu_bar = Menu(top, tearoff=0)
top["menu"] = self.menu_bar
self.__initFileMenu()
self.__initViewMenu()
self.__initAlgorithmsMenu()
self.file_menu.add_command(label="Exit", command=top.quit)
# Layout
self.rowconfigure(0, weight=1)
self.rowconfigure(1, weight=1)
self.columnconfigure(0, weight=1, minsize=30)
self.columnconfigure(1, weight=4, minsize=500)
self.columnconfigure(2, weight=4)
# Create main widgets
self.info_panel = WfMultiListbox(self, (('Attribute', 12), ('Value', 20)))
self.info_panel.grid(row=0, column=0, rowspan=2, sticky=N+S+E+W)
self.model_canvas = WfCanvas(self)
self.model_canvas.grid(row=0, column=1, sticky=N+S+E+W)
layoutMan = WfElasticLayout(maxx=1280, maxy=768,
actwidth=20, actheight=20)
self.model_canvas.setLayout(layoutMan)
self.view_canvas = WfCanvas(self, ctype="VIEW")
layoutView = WfElasticLayout(maxx=1280, maxy=768,
actwidth=20, actheight=20)
self.view_canvas.setLayout(layoutView)
self.view_canvas.grid_remove()
def displayInfo(self, act_id):
self.info_panel.delete(0, END)
self.info_panel.insert(END, ("*ID", "%d" %act_id))
d=dict()
for key, val in self.wfm[1].items():
if key[0]==act_id:
d[key[1]]=val
for keyval in d.items():
self.info_panel.insert(END, keyval)
def displayViewActInfo(self, act_id, act_list):
self.info_panel.delete(0, END)
self.info_panel.insert(END, ("*VID", "%d" %act_id))
if act_list != None:
for i in act_list:
self.info_panel.insert(END, ("*id:%d" %i, ""))
d = dict()
for key, val in self.wfm[1].items():
if key[0] == i:
d[key[1]]=val
for keyval in d.items():
self.info_panel.insert(END, keyval)
self.model_canvas.highlightoff()
self.model_canvas.highlight(act_list)
def refreshWfm(self, wfm = None):
if wfm == None:
wfm = self.wfm
self.wfm = None
self.wfm_canvas.clear()
self.wfm = wfm
self.wfm_canvas.drawWf(self.wfm)
def refreshView(self, view = None):
if view == None:
view = self.view
self.view = None
self.view_canvas.clear()
self.view = view
self.wfm = (self.wfm[0], self.wfm[1], self.wfm[2], self.view[3])
self.view_canvas.drawWf(self.view)
def removeInfo(self):
self.info_panel.delete(0, END)
def highlightoff(self):
self.model_canvas.highlightoff()
self.view_canvas.highlightoff()
def __initFileMenu(self):
# add FILE menu items
self.file_menu = Menu(self.menu_bar, tearoff=0)
self.menu_bar.add_cascade(label="File", menu=self.file_menu)
self.file_menu.add_command(label="Open", command=self.__openHandler)
self.file_menu.add_command(label="Save as", command=self.__saveHandler)
self.file_menu.add_command(label="Save view", command=self.__saveViewHandler)
self.file_menu.add_separator()
def __initViewMenu(self):
# add VIEW menu items
self.__view_cb = IntVar()
self.__split_cb = StringVar(value="VER")
self.view_menu = Menu(self.menu_bar, tearoff=0)
self.menu_bar.add_cascade(label="View", menu=self.view_menu)
self.view_menu.add_checkbutton(label="Show workflow view",
variable=self.__view_cb, onvalue=1, offvalue=0, command=self.__viewOnHandler)
self.view_menu.add_radiobutton(label="Split vertically",
variable=self.__split_cb, value="VER", command=self.__splitHandler)
self.view_menu.add_radiobutton(label="Split horizontally",
variable=self.__split_cb, value="HOR", command=self.__splitHandler)
def __initAlgorithmsMenu(self):
# add ALGOR menu items
self.algorithms_menu = Menu(self.menu_bar, tearoff=0)
self.menu_bar.add_cascade(label="Algorithms", menu=self.algorithms_menu)
self.algorithms_menu.add_command(label="Check soundness", command=self.__checkSoundness)
self.algorithms_menu.add_command(label="Weakly local-opt correct", command=self.__weakCorrect)
self.algorithms_menu.add_command(label="Strong local-opt correct", command=self.__strongCorrect)
self.algorithms_menu.add_command(label="Extend and combine", command=self.__extendAndComb)
def __checkSoundness(self):
if self.wfm == None:
tkMessageBox.showerror('ERROR', 'No view is loaded')
return
if self.wfm[3] == None:
tkMessageBox.showerror('ERROR', 'No view is loaded')
return
isSound, unsoundNodes = isViewSound(*(self.wfm))
if isSound:
prompt = "The view is SOUND"
tkMessageBox.showinfo('Check view soundness', prompt)
else:
prompt = "The view is NOT SOUND"
tkMessageBox.showinfo('Check view soundness', \
"%s.\nUnsound view nodes are: %s" %(prompt,str(unsoundNodes)))
def __weakCorrect(self):
print "### weak correct"
new_view = weakOptimalCorrect(self.wfm)
self.refreshView(new_view)
def __strongCorrect(self):
pass #TODO
def __extendAndComb(self):
print "### extend and combine"
new_view = extAndComb(self.wfm)
self.refreshView(new_view)
def __openHandler(self):
filename = tkFileDialog.askopenfilename(defaultextension=".wfm",
filetypes=[("workflow model file", "*.wfm | *.xml"), ("other", "*.*")])
if filename == None or filename.strip() == "":
return
# clean up
self.wfm = None
self.view = None
self.model_canvas.clear()
self.view_canvas.clear()
# add new
if filename[-4:].lower() == '.wfm':
self.wfm = wfmObjectFromFile(filename)
else:
self.wfm = wfmObjectFromXML(filename)
self.view = wfmObjectFromProj(self.wfm)
self.model_canvas.drawWf(self.wfm)
self.view_canvas.drawWf(self.view)
def __saveHandler(self):
if self.wfm == None:
return
filename = tkFileDialog.asksaveasfilename(defaultextension=".wfm",
filetypes=[("workflow model file", "*.wfm"), ("other", "*.*")])
filename = filename.strip()
if filename == None or filename == '':
return
wfmObjectToFile(filename, self.wfm)
def __saveViewHandler(self):
if self.wfm == None or self.wfm[3] == None:
return
filename = tkFileDialog.asksaveasfilename(defaultextension=".wfm",
filetypes=[("workflow model file", "*.wfm"), ("other", "*.*")])
filename = filename.strip()
if filename == None or filename == '':
return
wfmObjectToFile(filename, (self.view[0], None, True, None))
def __viewOnHandler(self):
if self.__view_cb.get() == 1:
if self.__split_cb.get() == "VER":
self.view_canvas.grid(row=0, column=2, sticky=N+S+E+W)
elif self.__split_cb.get() == "HOR":
self.view_canvas.grid(row=1, column=1, sticky=N+S+E+W)
else:
self.view_canvas.grid_remove()
def __splitHandler(self):
if self.__split_cb.get() == "HOR" and self.__view_cb.get() == 1:
self.view_canvas.grid_remove()
self.view_canvas.grid(row=1, column=1, sticky=N+S+E+W)
elif self.__split_cb.get() == "VER" and self.__view_cb.get() == 1:
self.view_canvas.grid_remove()
self.view_canvas.grid(row=0, column=2, sticky=N+S+E+W)
if __name__=="__main__":
root = Tk()
app = WfViewer(root)
root.mainloop()