# With the methodes .app_state() and .app_restore() named gtk widgets
# can be queried for attributes. The methods return a saveable dict,
# which contain current layout options for a few Widget types. Saving
# and restoring must be handled elsewhere.
#
#




# debug
def __print__(*args):
        print(" ".join([str(a) for a in args]))


# gtk modules
gtk = 3   # 0=gtk2, else gtk3
if gtk:
    from gi import pygtkcompat as pygtk
    pygtk.enable() 
    pygtk.enable_gtk(version='3.0')
    from gi.repository import Gtk as gtk
    from gi.repository import GObject as gobject
    from gi.repository import GdkPixbuf
    ui_file = "gtk3.xml"
    __print__(gtk)
    __print__(gobject)
if not gtk:
    import pygtk
    import gtk
    import gobject
    ui_file = "gtk2.xml"

# filesystem
import os.path
import copy







try:
  empty_pixbuf = gtk.gdk.pixbuf_new_from_data(b"\0\0\0\0",gtk.gdk.COLORSPACE_RGB,True,8,1,1,4)
except:
  empty_pixbuf = GdkPixbuf.Pixbuf.new_from_data(b"\0\0\0\0", GdkPixbuf.Colorspace.RGB, True, 8, 1, 1, 4, None, None)



# simplified gtk constructors               ---------------------------------------------
class mygtk:

                        col.pack_end(rend, expand=cell[3].get("expand",True))
                        # apply attributes
                        for attr,val in cell[3].iteritems():
                            col.add_attribute(rend, attr, val)
                        # next
                        datapos += 1

                        __print__(cell)
                    # add column to treeview
                    widget.append_column(col)
                # finalize widget
                widget.set_search_column(5)   #??
                widget.set_search_column(4)   #??
                widget.set_search_column(3)   #??
                widget.set_search_column(2)   #??

                if (not rowmap):
                    for desc in datamap:
                        for var in xrange(2, len(desc)):
                            vartypes.append(desc[var][1])  # content types
                            rowmap.append(desc[var][0])    # dict{} column keys in entries[] list
                # create gtk array storage
                ls = gtk.ListStore(*vartypes)   # could be a TreeStore, too
                __print__(vartypes)
                __print__(rowmap)

                # prepare for missing values, and special variable types
                defaults = {
                    str: "",
                    unicode: "",
                    bool: False,
                    int: 0,
                    gtk.gdk.Pixbuf: empty_pixbuf
                }
                if gtk.gdk.Pixbuf in vartypes:
                    pix_entry = vartypes.index(gtk.gdk.Pixbuf) 
                
                # sort data into gtk liststore array
                for row in entries:
#                    row["search_col"] = "white"

                    # generate ordered list from dictionary, using rowmap association
                    row = [   row.get( skey , defaults[vartypes[i]] )   for i,skey   in enumerate(rowmap)   ]

                    # autotransform string -> gtk image object
                    if (pix_entry and type(row[pix_entry]) == str):
                        row[pix_entry] = (  gtk.gdk.pixbuf_new_from_file(row[pix_entry])  if  os.path.exists(row[pix_entry])  else  defaults[gtk.gdk.Pixbuf]  )

                    try:
                        # add
                        ls.append(row)   # had to be adapted for real TreeStore (would require additional input for grouping/level/parents)

                    except:
                        # brute-force typecast
                        ls.append( [va  if ty==gtk.gdk.Pixbuf  else ty(va)   for va,ty in zip(row,vartypes)]  )
                __print__(row)
                
                # apply array to widget
                widget.set_model(ls)
                return ls
                
            pass