gui_manager.py @ cacbd7d

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload

Last change on this file since cacbd7d was f444b20, checked in by Gervaise Alina <gervyh@…>, 14 years ago
working on guiframe loading
Property mode set to `100644`
File size: 34.0 KB

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1
2	################################################################################
3	#This software was developed by the University of Tennessee as part of the
4	#Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
5	#project funded by the US National Science Foundation.
6	#
7	#See the license text in license.txt
8	#
9	#copyright 2008, University of Tennessee
10	################################################################################
11
12
13	import wx
14	import wx.aui
15	import os
16	import sys
17	import xml
18
19	try:
20	# Try to find a local config
21	import imp
22	path = os.getcwd()
23	if(os.path.isfile("%s/%s.py" % (path, 'local_config'))) or \
24	(os.path.isfile("%s/%s.pyc" % (path, 'local_config'))):
25	fObj, path, descr = imp.find_module('local_config', [path])
26	config = imp.load_module('local_config', fObj, path, descr)
27	else:
28	# Try simply importing local_config
29	import local_config as config
30	except:
31	# Didn't find local config, load the default
32	import config
33
34	import warnings
35	warnings.simplefilter("ignore")
36
37	import logging
38
39	from sans.guiframe.events import EVT_STATUS
40	from sans.guiframe.events import EVT_ADD_MANY_DATA
41	from sans.guiframe.events import StatusEvent
42	from sans.guiframe.events import NewPlotEvent
43
44
45	STATE_FILE_EXT = ['.inv', '.fitv', '.prv']
46
47	DATA_MANAGER = False
48	AUTO_PLOT = False
49	AUTO_SET_DATA = True
50
51	class ViewerFrame(wx.Frame):
52	"""
53	Main application frame
54	"""
55
56	def __init__(self, parent, id, title,
57	window_height=300, window_width=300):
58	"""
59	Initialize the Frame object
60	"""
61
62	wx.Frame.__init__(self, parent, id, title, wx.DefaultPosition,
63	size=(window_width, window_height))
64	# Preferred window size
65	self._window_height = window_height
66	self._window_width = window_width
67
68	# Logging info
69	logging.basicConfig(level=logging.DEBUG,
70	format='%(asctime)s %(levelname)s %(message)s',
71	filename='sans_app.log',
72	filemode='w')
73	path = os.path.dirname(__file__)
74	temp_path = os.path.join(path,'images')
75	ico_file = os.path.join(temp_path,'ball.ico')
76	if os.path.isfile(ico_file):
77	self.SetIcon(wx.Icon(ico_file, wx.BITMAP_TYPE_ICO))
78	else:
79	temp_path = os.path.join(os.getcwd(),'images')
80	ico_file = os.path.join(temp_path,'ball.ico')
81	if os.path.isfile(ico_file):
82	self.SetIcon(wx.Icon(ico_file, wx.BITMAP_TYPE_ICO))
83
84	## Application manager
85	self.app_manager = None
86	self._mgr = None
87	#data manager
88	from .data_manager import DataManager
89	self.data_manager = DataManager()
90	#add current perpsective
91	self._current_perspective = None
92	#file menu
93	self.file_menu = None
94
95	## Find plug-ins
96	# Modify this so that we can specify the directory to look into
97	self.plugins = []
98	#add local plugin
99
100	from sans.guiframe.local_perspectives.plotting import plotting
101	from sans.guiframe.local_perspectives.data_loader import data_loader
102	self.plugins.append(plotting.Plugin())
103	self.plugins.append(data_loader.Plugin())
104
105	self.plugins += self._find_plugins()
106
107	## List of panels
108	self.panels = {}
109
110	## Next available ID for wx gui events
111	#TODO: No longer used - remove all calls to this
112	self.next_id = 20000
113
114	# Default locations
115	self._default_save_location = os.getcwd()
116
117	# Welcome panel
118	self.defaultPanel = None
119	#panel on focus
120	self.panel_on_focus = None
121	# Check for update
122	#self._check_update(None)
123	# Register the close event so it calls our own method
124	wx.EVT_CLOSE(self, self._onClose)
125	# Register to status events
126	self.Bind(EVT_STATUS, self._on_status_event)
127	#Register add extra data on the same panel event on load
128	self.Bind(EVT_ADD_MANY_DATA, self.set_panel_on_focus)
129
130	def set_panel_on_focus(self, event):
131	"""
132	Store reference to the last panel on focus
133	"""
134	self.panel_on_focus = event.panel
135
136	def build_gui(self):
137	"""
138	"""
139	# Set up the layout
140	self._setup_layout()
141
142	# Set up the menu
143	self._setup_menus()
144	#self.Fit()
145	#self._check_update(None)
146
147	def _setup_layout(self):
148	"""
149	Set up the layout
150	"""
151	# Status bar
152	from statusbar import StatusBar
153	self.sb = StatusBar(self, wx.ID_ANY)
154	self.SetStatusBar(self.sb)
155	# Add panel
156	self._mgr = wx.aui.AuiManager(self)
157	self._mgr.SetDockSizeConstraint(0.5, 0.5)
158	# Load panels
159	self._load_panels()
160	self._mgr.Update()
161
162	def SetStatusText(self, args, *kwds):
163	"""
164	"""
165	number = self.sb.get_msg_position()
166	wx.Frame.SetStatusText(number=number, args, *kwds)
167
168	def PopStatusText(self, args, *kwds):
169	"""
170	"""
171	field = self.sb.get_msg_position()
172	wx.Frame.PopStatusText(field=field)
173
174	def PushStatusText(self, args, *kwds):
175	"""
176	"""
177	field = self.sb.get_msg_position()
178	wx.Frame.PushStatusText(self, field=field, string=string)
179
180	def add_perspective(self, plugin):
181	"""
182	Add a perspective if it doesn't already
183	exist.
184	"""
185	is_loaded = False
186	for item in self.plugins:
187	if plugin.__class__ == item.__class__:
188	msg = "Plugin %s already loaded" % plugin.__class__.__name__
189	logging.info(msg)
190	is_loaded = True
191	if not is_loaded:
192	self.plugins.append(plugin)
193
194	def _find_plugins(self, dir="perspectives"):
195	"""
196	Find available perspective plug-ins
197
198	:param dir: directory in which to look for plug-ins
199
200	:return: list of plug-ins
201
202	"""
203	import imp
204	plugins = []
205	# Go through files in panels directory
206	try:
207	list = os.listdir(dir)
208	## the default panel is the panel is the last plugin added
209	for item in list:
210	toks = os.path.splitext(os.path.basename(item))
211	name = None
212	if not toks[0] == '__init__':
213
214	if toks[1] == '.py' or toks[1] == '':
215	name = toks[0]
216
217	path = [os.path.abspath(dir)]
218	file = None
219	try:
220	if toks[1] == '':
221	mod_path = '.'.join([dir, name])
222	module = __import__(mod_path, globals(),
223	locals(), [name])
224	else:
225	(file, path, info) = imp.find_module(name, path)
226	module = imp.load_module( name, file, item, info)
227	if hasattr(module, "PLUGIN_ID"):
228	try:
229	plug = module.Plugin()
230	if plug.set_default_perspective():
231	self._current_perspective = plug
232	plugins.append(plug)
233	msg = "Found plug-in: %s" % module.PLUGIN_ID
234	logging.info(msg)
235	except:
236	msg = "Error accessing PluginPanel"
237	msg += " in %s\n %s" % (name, sys.exc_value)
238	config.printEVT(msg)
239	except:
240	#print sys.exc_value
241	msg = "ViewerFrame._find_plugins: %s" % sys.exc_value
242	logging.error(msg)
243	finally:
244	if not file == None:
245	file.close()
246	except:
247	# Should raise and catch at a higher level and
248	# display error on status bar
249	pass
250	return plugins
251
252	def set_welcome_panel(self, panel_class):
253	"""
254	Sets the default panel as the given welcome panel
255
256	:param panel_class: class of the welcome panel to be instantiated
257
258	"""
259	self.defaultPanel = panel_class(self, -1, style=wx.RAISED_BORDER)
260
261	def _load_panels(self):
262	"""
263	Load all panels in the panels directory
264	"""
265
266	# Look for plug-in panels
267	panels = []
268	for item in self.plugins:
269	if hasattr(item, "get_panels"):
270	ps = item.get_panels(self)
271	panels.extend(ps)
272
273	# Show a default panel with some help information
274	# It also sets the size of the application windows
275	#TODO: Use this for slpash screen
276	if self.defaultPanel is None:
277	self.defaultPanel = DefaultPanel(self, -1, style=wx.RAISED_BORDER)
278
279	self.panels["default"] = self.defaultPanel
280
281	self._mgr.AddPane(self.defaultPanel, wx.aui.AuiPaneInfo().
282	Name("default").
283	CenterPane().
284	# This is where we set the size of
285	# the application window
286	BestSize(wx.Size(self._window_width,
287	self._window_height)).
288	#MinSize(wx.Size(self._window_width,
289	#self._window_height)).
290	Show())
291
292	# Add the panels to the AUI manager
293	for panel_class in panels:
294	p = panel_class
295	id = wx.NewId()
296
297	# Check whether we need to put this panel
298	# in the center pane
299	if hasattr(p, "CENTER_PANE") and p.CENTER_PANE:
300	if p.CENTER_PANE:
301	self.panels[str(id)] = p
302	self._mgr.AddPane(p, wx.aui.AuiPaneInfo().
303	Name(p.window_name).Caption(p.window_caption).
304	CenterPane().
305	#BestSize(wx.Size(550,600)).
306	#MinSize(wx.Size(500,500)).
307	Hide())
308	else:
309	self.panels[str(id)] = p
310	self._mgr.AddPane(p, wx.aui.AuiPaneInfo().
311	Name(p.window_name).Caption(p.window_caption).
312	Right().
313	Dock().
314	TopDockable().
315	BottomDockable().
316	LeftDockable().
317	RightDockable().
318	MinimizeButton().
319	Hide())
320	#BestSize(wx.Size(550,600)))
321	#MinSize(wx.Size(500,500)))
322
323	def get_context_menu(self, graph=None):
324	"""
325	Get the context menu items made available
326	by the different plug-ins.
327	This function is used by the plotting module
328	"""
329	menu_list = []
330	for item in self.plugins:
331	if hasattr(item, "get_context_menu"):
332	menu_list.extend(item.get_context_menu(graph))
333	return menu_list
334
335	def popup_panel(self, p):
336	"""
337	Add a panel object to the AUI manager
338
339	:param p: panel object to add to the AUI manager
340
341	:return: ID of the event associated with the new panel [int]
342
343	"""
344	ID = wx.NewId()
345	self.panels[str(ID)] = p
346
347	count = 0
348	for item in self.panels:
349	if self.panels[item].window_name.startswith(p.window_name):
350	count += 1
351	windowname = p.window_name
352	caption = p.window_caption
353	if count > 0:
354	windowname += str(count+1)
355	caption += (' '+str(count))
356	p.window_name = windowname
357	p.window_caption = caption
358
359	self._mgr.AddPane(p, wx.aui.AuiPaneInfo().
360	Name(windowname).Caption(caption).
361	Floatable().
362	#Float().
363	Right().
364	Dock().
365	TopDockable().
366	BottomDockable().
367	LeftDockable().
368	RightDockable().
369	MinimizeButton().
370	#Hide().
371	#Show().
372	Resizable(True).
373	# Use a large best size to make sure the AUI manager
374	# takes all the available space
375	BestSize(wx.Size(400,400)))
376	pane = self._mgr.GetPane(windowname)
377	self._mgr.MaximizePane(pane)
378	self._mgr.RestoreMaximizedPane()
379	# Register for showing/hiding the panel
380	wx.EVT_MENU(self, ID, self._on_view)
381
382	self._mgr.Update()
383	return ID
384
385	def _populate_file_menu(self):
386	"""
387	Insert menu item under file menu
388	"""
389	for plugin in self.plugins:
390	if len(plugin.populate_file_menu()) > 0:
391	for item in plugin.populate_file_menu():
392	id = wx.NewId()
393	m_name, m_hint, m_handler = item
394	self.filemenu.Append(id, m_name, m_hint)
395	wx.EVT_MENU(self, id, m_handler)
396	self.filemenu.AppendSeparator()
397
398	def _setup_menus(self):
399	"""
400	Set up the application menus
401	"""
402	# Menu
403	self._menubar = wx.MenuBar()
404	# File menu
405	self.filemenu = wx.Menu()
406
407	# some menu of plugin to be seen under file menu
408	self._populate_file_menu()
409	id = wx.NewId()
410	self.filemenu.Append(id, '&Save state into File',
411	'Save project as a SansView (svs) file')
412	wx.EVT_MENU(self, id, self._on_save)
413	#self.filemenu.AppendSeparator()
414
415	id = wx.NewId()
416	self.filemenu.Append(id, '&Quit', 'Exit')
417	wx.EVT_MENU(self, id, self.Close)
418
419	# Add sub menus
420	self._menubar.Append(self.filemenu, '&File')
421
422	# Window menu
423	# Attach a menu item for each panel in our
424	# panel list that also appears in a plug-in.
425
426	# Only add the panel menu if there is only one perspective and
427	# it has more than two panels.
428	# Note: the first plug-in is always the plotting plug-in.
429	#The first application
430	# plug-in is always the second one in the list.
431	if len(self.plugins) == 2:
432	plug = self.plugins[1]
433	pers = plug.get_perspective()
434
435	if len(pers) > 1:
436	viewmenu = wx.Menu()
437	for item in self.panels:
438	if item == 'default':
439	continue
440	panel = self.panels[item]
441	if panel.window_name in pers:
442	viewmenu.Append(int(item), panel.window_caption,
443	"Show %s window" % panel.window_caption)
444	wx.EVT_MENU(self, int(item), self._on_view)
445	self._menubar.Append(viewmenu, '&Window')
446
447	# Perspective
448	# Attach a menu item for each defined perspective.
449	# Only add the perspective menu if there are more than one perspectives
450	n_perspectives = 0
451	for plug in self.plugins:
452	if len(plug.get_perspective()) > 0:
453	n_perspectives += 1
454
455	if n_perspectives > 1:
456	p_menu = wx.Menu()
457	for plug in self.plugins:
458	if len(plug.get_perspective()) > 0:
459	id = wx.NewId()
460	p_menu.Append(id, plug.sub_menu,
461	"Switch to %s perspective" % plug.sub_menu)
462	wx.EVT_MENU(self, id, plug.on_perspective)
463	self._menubar.Append(p_menu, '&Perspective')
464
465	# Tools menu
466	# Go through plug-ins and find tools to populate the tools menu
467	toolsmenu = None
468	for item in self.plugins:
469	if hasattr(item, "get_tools"):
470	for tool in item.get_tools():
471	# Only create a menu if we have at least one tool
472	if toolsmenu is None:
473	toolsmenu = wx.Menu()
474	id = wx.NewId()
475	toolsmenu.Append(id, tool[0], tool[1])
476	wx.EVT_MENU(self, id, tool[2])
477	if toolsmenu is not None:
478	self._menubar.Append(toolsmenu, '&Tools')
479
480	# Help menu
481	helpmenu = wx.Menu()
482	# add the welcome panel menu item
483	if self.defaultPanel is not None:
484	id = wx.NewId()
485	helpmenu.Append(id, '&Welcome', '')
486	helpmenu.AppendSeparator()
487	wx.EVT_MENU(self, id, self.show_welcome_panel)
488	# Look for help item in plug-ins
489	for item in self.plugins:
490	if hasattr(item, "help"):
491	id = wx.NewId()
492	helpmenu.Append(id,'&%s help' % item.sub_menu, '')
493	wx.EVT_MENU(self, id, item.help)
494	if config._do_aboutbox:
495	id = wx.NewId()
496	helpmenu.Append(id,'&About', 'Software information')
497	wx.EVT_MENU(self, id, self._onAbout)
498
499	# Checking for updates needs major refactoring to work with py2exe
500	# We need to make sure it doesn't hang the application if the server
501	# is not up. We also need to make sure there's a proper executable to
502	# run if we spawn a new background process.
503	#id = wx.NewId()
504	#helpmenu.Append(id,'&Check for update',
505	#'Check for the latest version of %s' % config.__appname__)
506	#wx.EVT_MENU(self, id, self._check_update)
507
508	# Look for plug-in menus
509	# Add available plug-in sub-menus.
510	for item in self.plugins:
511	if hasattr(item, "populate_menu"):
512	for (self.next_id, menu, name) in \
513	item.populate_menu(self.next_id, self):
514	self._menubar.Append(menu, name)
515
516	self._menubar.Append(helpmenu, '&Help')
517	self.SetMenuBar(self._menubar)
518
519	def _on_status_event(self, evt):
520	"""
521	Display status message
522	"""
523	self.sb.set_status(event=evt)
524
525	def _on_view(self, evt):
526	"""
527	A panel was selected to be shown. If it's not already
528	shown, display it.
529
530	:param evt: menu event
531
532	"""
533	self.show_panel(evt.GetId())
534
535	def on_close_welcome_panel(self):
536	"""
537	Close the welcome panel
538	"""
539	if self.defaultPanel is None:
540	return
541	self._mgr.GetPane(self.panels["default"].window_name).Hide()
542	self._mgr.Update()
543	# set a default perspective
544	self.set_default_perspective()
545
546	def show_welcome_panel(self, event):
547	"""
548	Display the welcome panel
549	"""
550	if self.defaultPanel is None:
551	return
552	for id in self.panels.keys():
553	if self._mgr.GetPane(self.panels[id].window_name).IsShown():
554	self._mgr.GetPane(self.panels[id].window_name).Hide()
555	# Show default panel
556	if not self._mgr.GetPane(self.panels["default"].window_name).IsShown():
557	self._mgr.GetPane(self.panels["default"].window_name).Show()
558
559	self._mgr.Update()
560
561	def show_panel(self, uid):
562	"""
563	Shows the panel with the given id
564
565	:param uid: unique ID number of the panel to show
566
567	"""
568	ID = str(uid)
569	config.printEVT("show_panel: %s" % ID)
570	if ID in self.panels.keys():
571	if not self._mgr.GetPane(self.panels[ID].window_name).IsShown():
572	self._mgr.GetPane(self.panels[ID].window_name).Show()
573	# Hide default panel
574	self._mgr.GetPane(self.panels["default"].window_name).Hide()
575	self._mgr.Update()
576
577	def _on_open(self, event):
578	"""
579	"""
580	path = self.choose_file()
581	if path is None:
582	return
583
584	from data_loader import plot_data
585	from sans.perspectives import invariant
586	if path and os.path.isfile(path):
587	basename = os.path.basename(path)
588	if basename.endswith('.svs'):
589	#remove panels for new states
590	for item in self.panels:
591	try:
592	self.panels[item].clear_panel()
593	except:
594	pass
595	#reset states and plot data
596	for item in STATE_FILE_EXT:
597	exec "plot_data(self, path,'%s')" % str(item)
598	else:
599	plot_data(self, path)
600	if self.defaultPanel is not None and \
601	self._mgr.GetPane(self.panels["default"].window_name).IsShown():
602	self.on_close_welcome_panel()
603
604	def _on_save(self, event):
605	"""
606	Save state into a file
607	"""
608	# Ask the user the location of the file to write to.
609
610	## Default file location for save
611	self._default_save_location = os.getcwd()
612	path = None
613	dlg = wx.FileDialog(self, "Choose a file",
614	self._default_save_location, "", "*.svs", wx.SAVE)
615	if dlg.ShowModal() == wx.ID_OK:
616	path = dlg.GetPath()
617	self._default_save_location = os.path.dirname(path)
618	else:
619	return None
620	dlg.Destroy()
621	if path is None:
622	return
623	# default cansas xml doc
624	doc = None
625	for item in self.panels:
626	try:
627	if self.panels[item].window_name == 'Invariant':
628	data = self.panels[item]._data
629	if data != None:
630	state = self.panels[item].state
631	manager = self.panels[item]._manager
632	new_doc = manager.state_reader.write_toXML(data, state)
633	if hasattr(doc, "firstChild"):
634	child = new_doc.firstChild.firstChild
635	doc.firstChild.appendChild(child)
636	else:
637	doc = new_doc
638	elif self.panels[item].window_name == 'pr_control':
639	data = self.panels[item].manager.current_plottable
640	if data != None:
641	state = self.panels[item].get_state()
642	manager = self.panels[item].manager
643	new_doc = manager.state_reader.write_toXML(data, state)
644	if hasattr(doc, "firstChild"):
645	child = new_doc.firstChild.firstChild
646	doc.firstChild.appendChild(child)
647	else:
648	doc = new_doc
649	elif self.panels[item].window_name == 'Fit panel':
650	for index in range(self.panels[item].GetPageCount()):
651	selected_page = self.panels[item].GetPage(index)
652	if hasattr(selected_page,"get_data"):
653	data = selected_page.get_data()
654	state = selected_page.state
655	reader = selected_page.manager.state_reader
656	new_doc = reader.write_toXML(data, state)
657	if doc != None and hasattr(doc, "firstChild"):
658	child = new_doc.firstChild.firstChild
659	doc.firstChild.appendChild(child)
660	else:
661	doc = new_doc
662	except:
663	pass
664	# Write the XML document
665	if doc != None:
666	fd = open(path, 'w')
667	fd.write(doc.toprettyxml())
668	fd.close()
669	else:
670	#print "Nothing to save..."
671	raise RuntimeError, "%s is not a SansView (.svs) file..." % path
672
673	def _onClose(self, event):
674	"""
675	Store info to retrieve in xml before closing the application
676	"""
677	wx.Exit()
678	sys.exit()
679
680	def quit_guiframe(self):
681	"""
682	Pop up message to make sure the user wants to quit the application
683	"""
684	message = "Do you really want to quit \n"
685	message += "this application?"
686	dial = wx.MessageDialog(self, message, 'Question',
687	wx.YES_NO\|wx.YES_DEFAULT\|wx.ICON_QUESTION)
688	if dial.ShowModal() == wx.ID_YES:
689	return True
690	else:
691	return False
692
693	def Close(self, event=None):
694	"""
695	Quit the application
696	"""
697	flag = self.quit_guiframe()
698	if flag:
699	wx.Frame.Close(self)
700	wx.Exit()
701	sys.exit()
702
703	def _check_update(self, event=None):
704	"""
705	Check with the deployment server whether a new version
706	of the application is available.
707	A thread is started for the connecting with the server. The thread calls
708	a call-back method when the current version number has been obtained.
709	"""
710	if hasattr(config, "__update_URL__"):
711	import version
712	checker = version.VersionThread(config.__update_URL__,
713	self._process_version,
714	baggage=event==None)
715	checker.start()
716
717	def _process_version(self, version, standalone=True):
718	"""
719	Call-back method for the process of checking for updates.
720	This methods is called by a VersionThread object once the current
721	version number has been obtained. If the check is being done in the
722	background, the user will not be notified unless there's an update.
723
724	:param version: version string
725	:param standalone: True of the update is being checked in
726	the background, False otherwise.
727
728	"""
729	try:
730	if cmp(version, config.__version__) > 0:
731	msg = "Version %s is available! See the Help "
732	msg += "menu to download it." % version
733	self.SetStatusText(msg)
734	if not standalone:
735	import webbrowser
736	webbrowser.open(config.__download_page__)
737	else:
738	if not standalone:
739	msg = "You have the latest version"
740	msg += " of %s" % config.__appname__
741	self.SetStatusText(msg)
742	except:
743	msg = "guiframe: could not get latest application"
744	msg += " version number\n %s" % sys.exc_value
745	logging.error(msg)
746	if not standalone:
747	msg = "Could not connect to the application server."
748	msg += " Please try again later."
749	self.SetStatusText(msg)
750
751	def _onAbout(self, evt):
752	"""
753	Pop up the about dialog
754
755	:param evt: menu event
756
757	"""
758	if config._do_aboutbox:
759	import aboutbox
760	dialog = aboutbox.DialogAbout(None, -1, "")
761	dialog.ShowModal()
762
763	def set_manager(self, manager):
764	"""
765	Sets the application manager for this frame
766
767	:param manager: frame manager
768	"""
769	self.app_manager = manager
770
771	def post_init(self):
772	"""
773	This initialization method is called after the GUI
774	has been created and all plug-ins loaded. It calls
775	the post_init() method of each plug-in (if it exists)
776	so that final initialization can be done.
777	"""
778	for item in self.plugins:
779	if hasattr(item, "post_init"):
780	item.post_init()
781
782	def set_default_perspective(self):
783	"""
784	Choose among the plugin the first plug-in that has
785	"set_default_perspective" method and its return value is True will be
786	as a default perspective when the welcome page is closed
787	"""
788	for item in self.plugins:
789	if hasattr(item, "set_default_perspective"):
790	if item.set_default_perspective():
791	item.on_perspective(event=None)
792	self._current_perspective = item
793	return
794
795	def set_perspective(self, panels):
796	"""
797	Sets the perspective of the GUI.
798	Opens all the panels in the list, and closes
799	all the others.
800
801	:param panels: list of panels
802	"""
803
804	for item in self.panels:
805	# Check whether this is a sticky panel
806	if hasattr(self.panels[item], "ALWAYS_ON"):
807	if self.panels[item].ALWAYS_ON:
808	continue
809	if self.panels[item].window_name in panels:
810	if not self._mgr.GetPane(self.panels[item].window_name).IsShown():
811	self._mgr.GetPane(self.panels[item].window_name).Show()
812	else:
813	if self._mgr.GetPane(self.panels[item].window_name).IsShown():
814	self._mgr.GetPane(self.panels[item].window_name).Hide()
815	self._mgr.Update()
816
817	def choose_file(self, path=None):
818	"""
819	Functionality that belongs elsewhere
820	Should add a hook to specify the preferred file type/extension.
821	"""
822	#TODO: clean this up
823	from .data_loader import choose_data_file
824	# Choose a file path
825	if path == None:
826	path = choose_data_file(self, self._default_save_location)
827	if not path == None:
828	try:
829	self._default_save_location = os.path.dirname(path)
830	except:
831	pass
832	return path
833
834	def add_data(self, data_list):
835	"""
836	receive a list of data . store them its data manager if possible
837	determine if data was be plot of send to data perspectives
838	"""
839	self.data_manager.add_data(data_list)
840	if AUTO_SET_DATA:
841	if self._current_perspective is not None:
842	try:
843	self._current_perspective.set_data(data_list)
844	except:
845	raise
846	#msg = str(sys.exc_value)
847	#wx.PostEvent(self, StatusEvent(status=msg,
848	# info="error"))
849	else:
850	msg = "Guiframe does not have a current perspective"
851	logging.info(msg)
852	if DATA_MANAGER:
853	print "will show data panel"
854	if AUTO_PLOT:
855	self.plot_data(data_list)
856
857	def plot_data(self, data_list):
858	"""
859	send a list of data to plot
860	"""
861	for new_plot in data_list:
862	wx.PostEvent(self, NewPlotEvent(plot=new_plot,
863	title=str(new_plot.title)))
864
865	def set_current_perspective(self, perspective):
866	"""
867	set the current active perspective
868	"""
869	self._current_perspective = perspective
870
871	class DefaultPanel(wx.Panel):
872	"""
873	Defines the API for a panels to work with
874	the GUI manager
875	"""
876	## Internal nickname for the window, used by the AUI manager
877	window_name = "default"
878	## Name to appear on the window title bar
879	window_caption = "Welcome panel"
880	## Flag to tell the AUI manager to put this panel in the center pane
881	CENTER_PANE = True
882
883
884	# Toy application to test this Frame
885	class ViewApp(wx.App):
886	"""
887	"""
888	def OnInit(self):
889	"""
890	"""
891	self.frame = ViewerFrame(None, -1, config.__appname__)
892	self.frame.Show(True)
893
894	if hasattr(self.frame, 'special'):
895	self.frame.special.SetCurrent()
896	self.SetTopWindow(self.frame)
897	return True
898
899	def set_manager(self, manager):
900	"""
901	Sets a reference to the application manager
902	of the GUI manager (Frame)
903	"""
904	self.frame.set_manager(manager)
905
906	def build_gui(self):
907	"""
908	Build the GUI
909	"""
910	self.frame.build_gui()
911	self.frame.post_init()
912
913	def set_welcome_panel(self, panel_class):
914	"""
915	Set the welcome panel
916
917	:param panel_class: class of the welcome panel to be instantiated
918
919	"""
920	self.frame.set_welcome_panel(panel_class)
921
922	def add_perspective(self, perspective):
923	"""
924	Manually add a perspective to the application GUI
925	"""
926	self.frame.add_perspective(perspective)
927
928
929	if __name__ == "__main__":
930	app = ViewApp(0)
931	app.MainLoop()
932
933

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SasView

source: sasview/guiframe/gui_manager.py @ cacbd7d

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