def onSelectionChanged(self, widget, liststore) :
#directory is the clicked directory
(model, iter) = widget.get_selected()
directory=liststore.get_value(iter, 0)
pth=os.path.join(src, directory)
#im is the preview image
im = [im for im in os.listdir(pth) if im.endswith('.png')]
if im == []:
flenpy=[flenpy for flenpy in os.listdir(pth) if flenpy.endswith('.npy') and flenpy.startswith('p')]
jj=str('\n'.join(flenpy))
num=re.sub("\D", "", jj)
#call of the function plot_HHG_image in order to create the
#preview image
hplt.plot_HHG_image(pth,jj, num)
hh='\n'.join(im)
immagine = os.path.join(pth, hh)
pixbuf = gtk.gdk.pixbuf_new_from_file(immagine)#set_from_file(immagine)
scaled_buf=pixbuf.scale_simple(800,800,gtk.gdk.INTERP_BILINEAR)
self.image.set_from_pixbuf(scaled_buf)
self.image.show()
def __init__(self):
window = gtk.Window(gtk.WINDOW_TOPLEVEL)
window.set_title('Example')
window.connect('destroy', lambda w: gtk.main_quit())
window.set_size_request(800, 800)
window.set_position(gtk.WIN_POS_CENTER)
#---create a hbox----
hbox=gtk.HBox(False, 5)
hbox.set_border_width(10)
#----add hbox to window---------------
window.add(hbox)
liststore = gtk.ListStore(str)
frame = gtk.Frame("Dataset")
#create the treeview of directory containing the preview images
for parent in lst:
piter = liststore.append(['%s' % str(parent)])
per=os.path.join(src, parent)
im = [im for im in os.listdir(per) if im.endswith('png')]
hh='\n'.join(im)
treeview = gtk.TreeView(liststore)
tvcolumn = gtk.TreeViewColumn('Column 0')
treeview.append_column(tvcolumn)
cell = gtk.CellRendererText()
tvcolumn.pack_start(cell, True)
tvcolumn.add_attribute(cell, 'text', 0)
treeview.set_search_column(0)
tvcolumn.set_sort_column_id(0)
treeselection = treeview.get_selection()
treeselection.set_mode(gtk.SELECTION_SINGLE)
treeselection.connect("changed", self.onSelectionChanged, liststore)
treeview.set_cursor(0)
frame.add(treeview)
#------add frame to vbox
hbox.pack_start(frame, False, False, 5)
#------add frame to window-------------
window.add(frame)
#create an other frame to display the prev images
self.frame2 = gtk.AspectFrame("Preview", 1, 1, 1, True)#gtk.Frame("Frame")
self.frame2.set_shadow_type(gtk.SHADOW_ETCHED_OUT)
hbox.pack_start(self.frame2, True, False, 0)
window.add(self.frame2)
self.image=gtk.Image()
self.frame2.add(self.image)
#visualize always the first preview image
fst_dir = os.path.join(src, lst[0])
fst_im = [fst_im for fst_im in os.listdir(fst_dir) if fst_im.endswith('.png')]
if fst_im == []:
npy=[npy for npy in os.listdir(pth) if npy.endswith('.npy') and npy.startswith('p')]
nn=str('\n'.join(npy))
numb=re.sub("\D", "", nn)
hplt.plot_HHG_image(fst_dir,nn, numb)
hh='\n'.join(fst_im)
immagine2 = os.path.join(fst_dir, hh)
pixbuf = gtk.gdk.pixbuf_new_from_file(immagine2)
scaled_buf=pixbuf.scale_simple(800,800,gtk.gdk.INTERP_BILINEAR)
self.image.set_from_pixbuf(scaled_buf)
self.image.show()
#create a button quit
button = gtk.Button("Quit")
hbox.pack_start(button, False, False, 0)
button.connect_object("clicked", lambda w: w.destroy(), window)
button.show()
window.show_all()
