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# -*- coding: utf-8 -*-
"""
author: Bernhard Ruttinger, Robert Gröbl
date: 07.01.2010 treeview_icon Version 0.3 (first test with drag and drop)
description: it's the first attempt for drag and drop on display layer.
problem with icons is fixed
print with Drag and with Drop positions
"""
import gtk
import pygtk
import pickle
import os
from collection import CollectionTest
from task import Task
class TreeViewExampleWithIcon:
# Allowed targets for DnD
TARGETS = [
('pixbuf', gtk.TARGET_SAME_WIDGET, 0),
('text', gtk.TARGET_SAME_WIDGET, 1)
]
# close the window and quit
def __init__(self):
self.__from = None
self.__to = None
# create a new window
self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
self.window.set_title("TreeView")
self.window.set_size_request(400, 400)
self.window.connect("delete_event", self.delete_event)
# create a TreeStore with one string column to use as the model
# self.treestore = gtk.TreeStore(gtk.gdk.Pixbuf, str)
#
# self.imagecollection = gtk.gdk.pixbuf_new_from_file("collection.png")
# self.imageexercise = gtk.gdk.pixbuf_new_from_file("exercise.png")
#
# self.treestore.clear()
# self.fill_store(self.treestore, None, None)
#
# self.treeview = gtk.TreeView(self.treestore)
# # create the TreeViewColumn to display the data
# self.tvcolumn = gtk.TreeViewColumn('Uebungssammlung')
#
# self.cellpb = gtk.CellRendererPixbuf()
# self.tvcolumn.pack_start(self.cellpb, True)
# self.tvcolumn.add_attribute(self.cellpb, 'pixbuf', 0)
#
# # create a CellRendererText to render the data
# self.cell = gtk.CellRendererText()
#
# # add the cell to the tvcolumn and allow it to expand
# self.tvcolumn.pack_start(self.cell, True)
#
# # set the cell "text" attribute to column 0 - retrieve text
# # from that column in treestore
# self.tvcolumn.add_attribute(self.cell, 'text', 1)
#
# # add tvcolumn to treeview
# self.treeview.append_column(self.tvcolumn)
#
# # make it searchable
# self.treeview.set_search_column(0)
#
# # Allow sorting on the column
# self.tvcolumn.set_sort_column_id(-1)
#
# # ab hier teil von robert
#
# self.treeview.enable_model_drag_source(gtk.gdk.BUTTON1_MASK,
# self.TARGETS,
# gtk.gdk.ACTION_MOVE)
#
# self.treeview.enable_model_drag_dest(self.TARGETS,
# gtk.gdk.ACTION_MOVE)
#
# self.treeview.connect("drag_data_get", self.drag_data_get_data)
# self.treeview.connect("drag_data_received", self.drag_data_received_data)
#
# self.treeview.expand_all()
self.window.add(self.treeview)
self.window.show_all()
def delete_event(self, widget, event, data = None):
gtk.main_quit()
return False
def fill_store(self, ts, parent, list):
c = CollectionTest()
root = c.get_data_from_pickle()
if list == None:
list = root.getData()
for i in range(len(list)):
if isinstance(list[i], CollectionTest):
olditer = ts.append(parent, [self.imagecollection, list[i].getTitle()])
c_list = list[i].getData()
self.fill_store(ts, olditer, c_list)
else:
text = list[i].getTitle() + ": " + list[i].getDescription()
iter = ts.append(parent, [self.imageexercise, text])
def drag_data_get_data(self, treeview, context, selection, target_id, etime):
# selection erfassen und pixbuf in string umwandeln
treeselection = treeview.get_selection()
model, iter = treeselection.get_selected()
# Tupel der die Drag Position angibt
path = self.treestore.get_path(iter)
print "Tree-Element: ", model.get_value(iter, 1)
print "Drag-Position: ", path
self.__from = path
iconstr = (model.get_value(iter, 0)).get_pixels()
title = model.get_value(iter, 1)
sep = "*"
data = iconstr + sep + title
selection.set(selection.target, 8, data)
return
def drag_data_received_data(self, treeview, context, x, y, selection, info, etime):
treeselection = treeview.get_selection()
model, from_parent = treeselection.get_selected()
model = treeview.get_model()
sep = "*"
data = selection.data
# aus pixel-string wieder pixbuf objekt erstellen
iconpixtemp, sep, title = data.partition(sep)
iconpix = gtk.gdk.pixbuf_new_from_data(iconpixtemp, gtk.gdk.COLORSPACE_RGB, True, 8, 10, 10, 40)
data = [iconpix, title]
c = CollectionTest()
obj = c.get_object(self.__from)
#obj = self.get_object(self.__from)
drop_info = treeview.get_dest_row_at_pos(x, y)
if drop_info:
self.__to = drop_info[0]
c.insert_object(obj, self.__to)
#self.insert_object(obj, self.__to)
self.treestore.clear()
self.fill_store(self.treestore, None, None)
self.treeview.expand_all()
if context.action == gtk.gdk.ACTION_MOVE:
context.finish(True, True, etime)
return
def main():
gtk.main()
if __name__ == "__main__":
#'''
filesystem = CollectionTest() # entspricht dem gesamten Filesystem = Überliste
c1 = CollectionTest()
c1.setTitle("Addieren leicht")
c2 = CollectionTest()
c2.setTitle("Hausuebungen")
c3 = CollectionTest()
c3.setTitle("Addieren sehr leicht")
ex1 = Task()
ex1.setTitle("Aufgabe 1")
ex1.setDescription("Addieren mit Zahlen von 2-5")
ex1.setSettings("2345+")
ex2 = Task()
ex2.setTitle("Aufgabe 2")
ex2.setDescription("Addieren bis 10")
ex2.setSettings("123456789+")
ex3 = Task()
ex3.setTitle("Hausuebung bis 26.11.2009")
ex3.setDescription("Rechnen bis 4")
ex3.setSettings("1234+")
ex4 = Task()
ex4.setTitle("Hausuebung bis 04.12.2009")
ex4.setDescription("Rechnen bis 7")
ex4.setSettings("1234567+-")
ex5 = Task()
ex5.setTitle("Multiplizieren")
ex5.setDescription("Multiplizieren mit Zahlen bis 5")
ex5.setSettings("12345*")
ex6 = Task()
ex6.setTitle("Aufgabe 1")
ex6.setDescription("erstes mal addieren")
ex6.setSettings("12+")
ex7 = Task()
ex7.setTitle("Aufgabe 2")
ex7.setDescription("zweites mal addieren")
ex7.setSettings("123+")
list = [ex6, ex7]
c3.setData(list)
list = [ex1, ex2, c3]
c1.setData(list)
list = [ex3, ex4]
c2.setData(list)
list = [c1, c2, ex5]
filesystem.setData(list)
# pickle erstellen
path = os.path.join(os.getcwd(), "data")
path = path + "/" + filesystem.getTitle() + ".data"
f = open(path, "wb")
pickle.dump(filesystem, f)
f.close()
del filesystem
del c1
del c2
del c3
del ex1
del ex2
del ex3
del ex4
del ex5
del ex6
del ex7
#'''
tvexample = TreeViewExampleWithIcon()
main()
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