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# Provides funcitonality to the canvas (everything below the toolbox)
# The canvas is where collected data is managed, analized, played
# back...
import gtk
import gtk.glade
from sugar.datastore import datastore
import interface
import storedata
import gst
import os
GLADE_FILE = "canvas.glade"
WIDGET_NAME = "canvas"
class Canvas(interface.New):
def setup(self):
self.player = gst.element_factory_make("playbin", "player")
fakesink = gst.element_factory_make("fakesink", "fakesink")
self.player.set_property("video-sink", fakesink)
bus = self.player.get_bus()
bus.add_signal_watch()
bus.connect("message", self.on_message)
self.PhotoView = self.interface.get_widget("photoView")
self.model = gtk.ListStore(str, gtk.gdk.Pixbuf)
self.PhotoView.set_model(self.model)
self.PhotoView.set_text_column(0)
self.PhotoView.set_pixbuf_column(1)
self.MainImage = self.interface.get_widget("mainImage")
self.selected_name = None
self.load_all_data()
def on_message(self, bus, message):
t = message.type
if t == gst.MESSAGE_EOS:
self.player.set_state(gst.STATE_NULL)
elif t == gst.MESSAGE_ERROR:
self.player.set_state(gst.STATE_NULL)
err, debug = message.parse_error()
print "Error: %s" % err, debug
def get_pixbuf(self, entry_title, main_image=False):
print 'makeing new data entry'
obj, num = datastore.find({'title':entry_title, 'TimeLapse':'yes',
'mime_type':'image/png'})
if num != 0:
filepath = obj[0].get_file_path()
else:
return None
if not main_image:
pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(filepath, 96, 96)
else:
pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(filepath, 640, 480)
return pixbuf
def new_data_entry(self, entry_title):
pixbuf = self.get_pixbuf(entry_title)
self.model.insert(0, [entry_title, pixbuf])
def load_all_data(self):
try:
titles = datastore.get_unique_values('TimeLapsetitle')
except: titles = []
for title in titles:
self.new_data_entry(title)
def get_description_buffer(self, title):
objects, num = datastore.find({'title':title, 'TimeLapse':'yes'})
description = objects[0].metadata['description']
description_buffer = gtk.TextBuffer(table=None)
description_buffer.set_text(description)
return description_buffer
def on_photo_selected(self, widget):
self.selected_name = widget.get_cells()[0].get_property("text")
print self.selected_name
self.interface.get_widget("name_entry").set_text(self.selected_name)
pixbuf = self.get_pixbuf(self.selected_name, True)
if pixbuf == None:
self.MainImage.clear()
else:
self.MainImage.set_from_pixbuf(pixbuf)
description_buffer = self.get_description_buffer(self.selected_name)
self.get_widget("description_entry").set_buffer(description_buffer)
def on_name_changed(self, widget, data):
# not finished. Still need to get old_name and new_name and define change_name
new_name = self.get_widget('name_entry').get_text()
print new_name
new_name = storedata.unique_title(new_name)
#self.get_widget('name_entry').set_text(new_name)
storedata.change_name(self.selected_name, new_name)
for obj in self.model:
if obj[0] == self.selected_name:
obj[0] = new_name
self.selected_name = new_name
def on_description_changed(self, widget, event):
textBuffer = widget.get_buffer()
start = textBuffer.get_start_iter()
end = textBuffer.get_end_iter()
description = textBuffer.get_text(start, end)
storedata.change_description(self.selected_name, description)
def on_play_clicked(self, widget):
print 'playing audio'
if self.selected_name != None:
obj, num = datastore.find({'title':self.selected_name,
'TimeLapse':'yes',
'mime_type':'audio/ogg'})
print 'num of play objects:', num
soundfile = obj[0].get_file_path()
if os.path.isfile(os.path.abspath(soundfile)):
self.player.set_property("uri", "file://" +
os.path.abspath(soundfile))
self.player.set_state(gst.STATE_PLAYING)
def on_delete_clicked(self, widget):
if self.selected_name != None:
count = 0
for obj in self.model:
if obj[0] == self.selected_name:
iterator = self.model.iter_nth_child(None,count)
self.model.remove(iterator)
count += 1
ds_objects, num_objects = datastore.find({'title': self.selected_name, 'TimeLapse':'yes'})
for i in xrange (0, num_objects, 1):
print 'DELETING ' + ds_objects[i].metadata['title'] + '...'
ds_objects[i].destroy()
datastore.delete(ds_objects[i].object_id)
self.MainImage.clear()
self.get_widget('name_entry').set_text('')
description_buffer = gtk.TextBuffer(table=None)
description_buffer.set_text('')
self.get_widget("description_entry").set_buffer(description_buffer)
'''
def on_save_clicked(self, widget):
#name = self.interface.get_widget("name_entry").get_text()
textBuffer = self.interface.get_widget("description_entry").get_buffer()
start = textBuffer.get_start_iter()
end = textBuffer.get_end_iter()
description = textBuffer.get_text(start, end)
print description
if self.selected_name:
event = self.events[self.selected_name]
for obj in event:
new_obj = datastore.create()
new_obj.metadata['activity'] = "TimeLapse"
new_obj.metadata['title'] = obj.metadata['title']
new_obj.metadata['mime_type'] = obj.metadata['mime_type']
new_obj.metadata["Description"] = description
obj.metadata["Description"] = description
new_obj.set_file_path(obj.get_file_path())
datastore.delete(obj.object_id)
datastore.write(new_obj)
def on_photo_selected(self, widget):
name = widget.get_cells()[0].get_property("text")
if name in self.events.keys():
event = self.events[name]
for obj in event:
if obj.metadata['mime_type'] == 'image/png':
obj.metadata['keep'] = 1
datastore.write(obj)
filepath = obj.get_file_path()
pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(filepath,
500, 375)
self.MainImage.set_from_pixbuf(pixbuf)
self.interface.get_widget("name_entry").set_text(name)
description_buffer = gtk.TextBuffer(table=None)
description_buffer.set_text(obj.metadata['Description'])
self.interface.get_widget("description_entry").set_buffer(description_buffer)
self.selected_name = name
'''
canvas = Canvas(GLADE_FILE, WIDGET_NAME)
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