1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
#
# RemoteData.py -- Remote Data plugin for Ginga image viewer
#
# This is open-source software licensed under a BSD license.
# Please see the file LICENSE.txt for details.
#
"""
"""
import sys
from ginga import GingaPlugin
from ginga.util.grc import RemoteClient
from ginga.gw import Widgets
from RemoteImage import RemoteImage
help_msg = sys.modules[__name__].__doc__
class RemoteData(GingaPlugin.LocalPlugin):
def __init__(self, fv, fitsimage):
# superclass defines some variables for us, like logger
super(RemoteData, self).__init__(fv, fitsimage)
# What port to connect to for requests
self.port = 9909
# What host to connect to
self.host = 'localhost'
self.ev_quit = fv.ev_quit
def build_gui(self, container):
vbox = Widgets.VBox()
fr = Widgets.Frame("Remote Control")
captions = [
("Addr:", 'label', "Addr", 'llabel'),
("Set Addr:", 'label', "Set Addr", 'entryset'),
("Remote Path:", 'label', "Remote Path", 'entry'),
]
w, b = Widgets.build_info(captions)
self.w.update(b)
addr = self.host + ':' + str(self.port)
b.addr.set_text(addr)
b.set_addr.set_length(100)
b.set_addr.set_text(addr)
b.set_addr.set_tooltip("Set address to connect to remote server")
b.set_addr.add_callback('activated', self.set_addr_cb)
b.remote_path.add_callback('activated', self.load_cb)
fr.set_widget(w)
vbox.add_widget(fr, stretch=0)
# stretch
vbox.add_widget(Widgets.Label(''), stretch=1)
btns = Widgets.HBox()
btns.set_spacing(4)
btns.set_border_width(4)
btn = Widgets.Button("Close")
btn.add_callback('activated', lambda w: self.close())
btns.add_widget(btn)
btns.add_widget(Widgets.Label(''), stretch=1)
vbox.add_widget(btns)
container.add_widget(vbox, stretch=1)
def start(self):
pass
def stop(self):
pass
def restart_cb(self, w):
# restart server
self.server.stop()
self.start()
def set_addr_cb(self, w):
# get and parse address
addr = w.get_text()
host, port = addr.split(':')
self.host = host
self.port = int(port)
self.w.addr.set_text(addr)
self.proxy = RemoteClient(self.host, self.port)
def load_cb(self, w):
path = w.get_text().strip()
try:
image = RemoteImage(self.proxy, logger=self.logger)
image.load_file(path)
chname = self.fv.get_channelName(self.fitsimage)
imname = image.get('name', None)
if imname is None:
imname = self.fv.name_image_from_path(path)
image.set(name=imname)
self.logger.debug("Adding image '%s'" % (imname))
self.fv.add_image(imname, image, chname=chname)
except Exception as e:
self.fv.show_error("Error loading remote image: %s" % (str(e)))
def close(self):
self.fv.stop_local_plugin(str(self))
return True
def __str__(self):
return 'remotedata'
#END
|
