gui_manager.py @ 8db3904

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 8db3904 was b7c7a1c, checked in by Gervaise Alina <gervyh@…>, 14 years ago
working on guiframe
Property mode set to `100644`
File size: 33.1 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	#from sans.guicomm.events import NewLoadedDataEvent
39	from sans.guicomm.events import EVT_STATUS
40	#from sans.guicomm.events import EVT_NEW_PLOT
41	#from sans.guicomm.events import EVT_SLICER_PARS_UPDATE
42	from sans.guicomm.events import EVT_ADD_MANY_DATA
43	#from data_manager import DataManager
44
45	STATE_FILE_EXT = ['.inv', '.fitv', '.prv']
46
47
48
49	class ViewerFrame(wx.Frame):
50	"""
51	Main application frame
52	"""
53	def __init__(self, parent, id, title, window_height=300, window_width=300):
54	"""
55	Initialize the Frame object
56	"""
57
58	wx.Frame.__init__(self, parent, id, title, wx.DefaultPosition,
59	size=(window_width, window_height))
60	# Preferred window size
61	self._window_height = window_height
62	self._window_width = window_width
63
64	# Logging info
65	logging.basicConfig(level=logging.DEBUG,
66	format='%(asctime)s %(levelname)s %(message)s',
67	filename='sans_app.log',
68	filemode='w')
69	path = os.path.dirname(__file__)
70	temp_path = os.path.join(path,'images')
71	ico_file = os.path.join(temp_path,'ball.ico')
72	if os.path.isfile(ico_file):
73	self.SetIcon(wx.Icon(ico_file, wx.BITMAP_TYPE_ICO))
74	else:
75	temp_path = os.path.join(os.getcwd(),'images')
76	ico_file = os.path.join(temp_path,'ball.ico')
77	if os.path.isfile(ico_file):
78	self.SetIcon(wx.Icon(ico_file, wx.BITMAP_TYPE_ICO))
79
80	## Application manager
81	self.app_manager = None
82	self._mgr = None
83	self.file_menu = None
84
85	## Find plug-ins
86	# Modify this so that we can specify the directory to look into
87	self.plugins = []
88	#add local plugin
89
90	from sans.guiframe.local_perspectives.plotting import plotting
91	from sans.guiframe.local_perspectives.data_loader import data_loader
92	self.plugins.append(plotting.Plugin())
93	self.plugins.append(data_loader.Plugin())
94
95	self.plugins += self._find_plugins()
96
97	## List of panels
98	self.panels = {}
99
100	## Next available ID for wx gui events
101	#TODO: No longer used - remove all calls to this
102	self.next_id = 20000
103
104	# Default locations
105	self._default_save_location = os.getcwd()
106
107	# Welcome panel
108	self.defaultPanel = None
109	#panel on focus
110	self.panel_on_focus = None
111	# Check for update
112	#self._check_update(None)
113	## maximum number of opened files' paths to store
114	self.n_maxfileopen = 2
115	## number of file open
116	self.n_fileOpen = 0
117	## list of path of open files
118	self.filePathList = []
119	## list of open file with name form menu
120	#self._saveOpenData()
121	## Dictionary of open file where keys are filename and
122	# values are number of copy of data plotted
123	## using the same loaded file
124	self.indice_load_data = {}
125	# Register the close event so it calls our own method
126	wx.EVT_CLOSE(self, self._onClose)
127	# Register to status events
128	self.Bind(EVT_STATUS, self._on_status_event)
129	#Register add extra data on the same panel event on load
130	self.Bind(EVT_ADD_MANY_DATA, self.set_panel_on_focus)
131
132	def set_panel_on_focus(self, event):
133	"""
134	Store reference to the last panel on focus
135	"""
136	self.panel_on_focus = event.panel
137
138	def build_gui(self):
139	"""
140	"""
141	# Set up the layout
142	self._setup_layout()
143
144	# Set up the menu
145	self._setup_menus()
146	#self.Fit()
147	#self._check_update(None)
148
149	def _setup_layout(self):
150	"""
151	Set up the layout
152	"""
153	# Status bar
154	from statusbar import StatusBar
155	self.sb = StatusBar(self, wx.ID_ANY)
156	self.SetStatusBar(self.sb)
157	# Add panel
158	self._mgr = wx.aui.AuiManager(self)
159	self._mgr.SetDockSizeConstraint(0.5, 0.5)
160	# Load panels
161	self._load_panels()
162	self._mgr.Update()
163
164	def SetStatusText(self, args, *kwds):
165	"""
166	"""
167	number = self.sb.get_msg_position()
168	wx.Frame.SetStatusText(number=number, args, *kwds)
169
170	def PopStatusText(self, args, *kwds):
171	"""
172	"""
173	field = self.sb.get_msg_position()
174	wx.Frame.PopStatusText(field=field)
175
176	def PushStatusText(self, args, *kwds):
177	"""
178	"""
179	field = self.sb.get_msg_position()
180	wx.Frame.PushStatusText(self, field=field, string=string)
181
182	def add_perspective(self, plugin):
183	"""
184	Add a perspective if it doesn't already
185	exist.
186	"""
187	is_loaded = False
188	for item in self.plugins:
189	if plugin.__class__ == item.__class__:
190	#print "Plugin %s already loaded" % plugin.__class__.__name__
191	is_loaded = True
192	if not is_loaded:
193	self.plugins.append(plugin)
194
195	def _find_plugins(self, dir="perspectives"):
196	"""
197	Find available perspective plug-ins
198
199	:param dir: directory in which to look for plug-ins
200
201	:return: list of plug-ins
202
203	"""
204	import imp
205	plugins = []
206	# Go through files in panels directory
207	try:
208	list = os.listdir(dir)
209	## the default panel is the panel is the last plugin added
210	for item in list:
211	toks = os.path.splitext(os.path.basename(item))
212	name = None
213	if not toks[0] == '__init__':
214
215	if toks[1] == '.py' or toks[1] == '':
216	name = toks[0]
217
218	path = [os.path.abspath(dir)]
219	file = None
220	try:
221	if toks[1] == '':
222	mod_path = '.'.join([dir, name])
223	module = __import__(mod_path, globals(),
224	locals(), [name])
225	else:
226	(file, path, info) = imp.find_module(name, path)
227	module = imp.load_module( name, file, item, info)
228	if hasattr(module, "PLUGIN_ID"):
229	try:
230	plugins.append(module.Plugin())
231	msg = "Found plug-in: %s" % module.PLUGIN_ID
232	logging.info(msg)
233	except:
234	msg = "Error accessing PluginPanel"
235	msg += " in %s\n %s" % (name, sys.exc_value)
236	config.printEVT(msg)
237	except:
238	#print sys.exc_value
239	msg = "ViewerFrame._find_plugins: %s" % sys.exc_value
240	logging.error(msg)
241	finally:
242	if not file == None:
243	file.close()
244	except:
245	# Should raise and catch at a higher level and
246	# display error on status bar
247	pass
248	return plugins
249
250	def set_welcome_panel(self, panel_class):
251	"""
252	Sets the default panel as the given welcome panel
253
254	:param panel_class: class of the welcome panel to be instantiated
255
256	"""
257	self.defaultPanel = panel_class(self, -1, style=wx.RAISED_BORDER)
258
259	def _load_panels(self):
260	"""
261	Load all panels in the panels directory
262	"""
263
264	# Look for plug-in panels
265	panels = []
266	for item in self.plugins:
267	if hasattr(item, "get_panels"):
268	ps = item.get_panels(self)
269	panels.extend(ps)
270
271	# Show a default panel with some help information
272	# It also sets the size of the application windows
273	#TODO: Use this for slpash screen
274	if self.defaultPanel is None:
275	self.defaultPanel = DefaultPanel(self, -1, style=wx.RAISED_BORDER)
276
277	self.panels["default"] = self.defaultPanel
278
279	self._mgr.AddPane(self.defaultPanel, wx.aui.AuiPaneInfo().
280	Name("default").
281	CenterPane().
282	# This is where we set the size of
283	# the application window
284	BestSize(wx.Size(self._window_width,
285	self._window_height)).
286	#MinSize(wx.Size(self._window_width,
287	#self._window_height)).
288	Show())
289
290	# Add the panels to the AUI manager
291	for panel_class in panels:
292	p = panel_class
293	id = wx.NewId()
294
295	# Check whether we need to put this panel
296	# in the center pane
297	if hasattr(p, "CENTER_PANE") and p.CENTER_PANE:
298	if p.CENTER_PANE:
299	self.panels[str(id)] = p
300	self._mgr.AddPane(p, wx.aui.AuiPaneInfo().
301	Name(p.window_name).Caption(p.window_caption).
302	CenterPane().
303	#BestSize(wx.Size(550,600)).
304	#MinSize(wx.Size(500,500)).
305	Hide())
306	else:
307	self.panels[str(id)] = p
308	self._mgr.AddPane(p, wx.aui.AuiPaneInfo().
309	Name(p.window_name).Caption(p.window_caption).
310	Right().
311	Dock().
312	TopDockable().
313	BottomDockable().
314	LeftDockable().
315	RightDockable().
316	MinimizeButton().
317	Hide())
318	#BestSize(wx.Size(550,600)))
319	#MinSize(wx.Size(500,500)))
320
321	def get_context_menu(self, graph=None):
322	"""
323	Get the context menu items made available
324	by the different plug-ins.
325	This function is used by the plotting module
326	"""
327	menu_list = []
328	for item in self.plugins:
329	if hasattr(item, "get_context_menu"):
330	menu_list.extend(item.get_context_menu(graph))
331	return menu_list
332
333	def popup_panel(self, p):
334	"""
335	Add a panel object to the AUI manager
336
337	:param p: panel object to add to the AUI manager
338
339	:return: ID of the event associated with the new panel [int]
340
341	"""
342	ID = wx.NewId()
343	self.panels[str(ID)] = p
344
345	count = 0
346	for item in self.panels:
347	if self.panels[item].window_name.startswith(p.window_name):
348	count += 1
349	windowname = p.window_name
350	caption = p.window_caption
351	if count > 0:
352	windowname += str(count+1)
353	caption += (' '+str(count))
354	p.window_name = windowname
355	p.window_caption = caption
356
357	self._mgr.AddPane(p, wx.aui.AuiPaneInfo().
358	Name(windowname).Caption(caption).
359	Floatable().
360	#Float().
361	Right().
362	Dock().
363	TopDockable().
364	BottomDockable().
365	LeftDockable().
366	RightDockable().
367	MinimizeButton().
368	#Hide().
369	#Show().
370	Resizable(True).
371	# Use a large best size to make sure the AUI manager
372	# takes all the available space
373	BestSize(wx.Size(400,400)))
374	pane = self._mgr.GetPane(windowname)
375	self._mgr.MaximizePane(pane)
376	self._mgr.RestoreMaximizedPane()
377	# Register for showing/hiding the panel
378	wx.EVT_MENU(self, ID, self._on_view)
379
380	self._mgr.Update()
381	return ID
382
383	def _populate_file_menu(self):
384	"""
385	Insert menu item under file menu
386	"""
387	for plugin in self.plugins:
388	if len(plugin.populate_file_menu()) > 0:
389	id = wx.NewId()
390	for item in plugin.populate_file_menu():
391	m_name, m_hint, m_handler = item
392	self.filemenu.Append(id, m_name, m_hint)
393	wx.EVT_MENU(self, id, m_handler)
394	self.filemenu.AppendSeparator()
395
396	def _setup_menus(self):
397	"""
398	Set up the application menus
399	"""
400	# Menu
401	self._menubar = wx.MenuBar()
402	# File menu
403	self.filemenu = wx.Menu()
404
405	# some menu of plugin to be seen under file menu
406	self._populate_file_menu()
407	id = wx.NewId()
408	self.filemenu.Append(id, '&Save',
409	'Save project as a SanaView (svs) file')
410	wx.EVT_MENU(self, id, self._on_save)
411	#self.filemenu.AppendSeparator()
412
413	id = wx.NewId()
414	self.filemenu.Append(id, '&Quit', 'Exit')
415	wx.EVT_MENU(self, id, self.Close)
416
417	# Add sub menus
418	self._menubar.Append(self.filemenu, '&File')
419
420	# Window menu
421	# Attach a menu item for each panel in our
422	# panel list that also appears in a plug-in.
423
424	# Only add the panel menu if there is only one perspective and
425	# it has more than two panels.
426	# Note: the first plug-in is always the plotting plug-in.
427	#The first application
428	# plug-in is always the second one in the list.
429	if len(self.plugins) == 2:
430	plug = self.plugins[1]
431	pers = plug.get_perspective()
432
433	if len(pers) > 1:
434	viewmenu = wx.Menu()
435	for item in self.panels:
436	if item == 'default':
437	continue
438	panel = self.panels[item]
439	if panel.window_name in pers:
440	viewmenu.Append(int(item), panel.window_caption,
441	"Show %s window" % panel.window_caption)
442	wx.EVT_MENU(self, int(item), self._on_view)
443	self._menubar.Append(viewmenu, '&Window')
444
445	# Perspective
446	# Attach a menu item for each defined perspective.
447	# Only add the perspective menu if there are more than one perspectives
448	n_perspectives = 0
449	for plug in self.plugins:
450	if len(plug.get_perspective()) > 0:
451	n_perspectives += 1
452
453	if n_perspectives > 1:
454	p_menu = wx.Menu()
455	for plug in self.plugins:
456	if len(plug.get_perspective()) > 0:
457	id = wx.NewId()
458	p_menu.Append(id, plug.sub_menu,
459	"Switch to %s perspective" % plug.sub_menu)
460	wx.EVT_MENU(self, id, plug.on_perspective)
461	self._menubar.Append(p_menu, '&Perspective')
462
463	# Tools menu
464	# Go through plug-ins and find tools to populate the tools menu
465	toolsmenu = None
466	for item in self.plugins:
467	if hasattr(item, "get_tools"):
468	for tool in item.get_tools():
469	# Only create a menu if we have at least one tool
470	if toolsmenu is None:
471	toolsmenu = wx.Menu()
472	id = wx.NewId()
473	toolsmenu.Append(id, tool[0], tool[1])
474	wx.EVT_MENU(self, id, tool[2])
475	if toolsmenu is not None:
476	self._menubar.Append(toolsmenu, '&Tools')
477
478	# Help menu
479	helpmenu = wx.Menu()
480	# add the welcome panel menu item
481	if self.defaultPanel is not None:
482	id = wx.NewId()
483	helpmenu.Append(id, '&Welcome', '')
484	helpmenu.AppendSeparator()
485	wx.EVT_MENU(self, id, self.show_welcome_panel)
486	# Look for help item in plug-ins
487	for item in self.plugins:
488	if hasattr(item, "help"):
489	id = wx.NewId()
490	helpmenu.Append(id,'&%s help' % item.sub_menu, '')
491	wx.EVT_MENU(self, id, item.help)
492	if config._do_aboutbox:
493	id = wx.NewId()
494	helpmenu.Append(id,'&About', 'Software information')
495	wx.EVT_MENU(self, id, self._onAbout)
496
497	# Checking for updates needs major refactoring to work with py2exe
498	# We need to make sure it doesn't hang the application if the server
499	# is not up. We also need to make sure there's a proper executable to
500	# run if we spawn a new background process.
501	#id = wx.NewId()
502	#helpmenu.Append(id,'&Check for update',
503	#'Check for the latest version of %s' % config.__appname__)
504	#wx.EVT_MENU(self, id, self._check_update)
505
506	# Look for plug-in menus
507	# Add available plug-in sub-menus.
508	for item in self.plugins:
509	if hasattr(item, "populate_menu"):
510	for (self.next_id, menu, name) in \
511	item.populate_menu(self.next_id, self):
512	self._menubar.Append(menu, name)
513
514	self._menubar.Append(helpmenu, '&Help')
515	self.SetMenuBar(self._menubar)
516
517	def _on_status_event(self, evt):
518	"""
519	Display status message
520	"""
521	self.sb.set_status(event=evt)
522
523	def _on_view(self, evt):
524	"""
525	A panel was selected to be shown. If it's not already
526	shown, display it.
527
528	:param evt: menu event
529
530	"""
531	self.show_panel(evt.GetId())
532
533	def on_close_welcome_panel(self):
534	"""
535	Close the welcome panel
536	"""
537	if self.defaultPanel is None:
538	return
539	self._mgr.GetPane(self.panels["default"].window_name).Hide()
540	self._mgr.Update()
541	# set a default perspective
542	self.set_default_perspective()
543
544	def show_welcome_panel(self, event):
545	"""
546	Display the welcome panel
547	"""
548	if self.defaultPanel is None:
549	return
550	for id in self.panels.keys():
551	if self._mgr.GetPane(self.panels[id].window_name).IsShown():
552	self._mgr.GetPane(self.panels[id].window_name).Hide()
553	# Show default panel
554	if not self._mgr.GetPane(self.panels["default"].window_name).IsShown():
555	self._mgr.GetPane(self.panels["default"].window_name).Show()
556
557	self._mgr.Update()
558
559	def show_panel(self, uid):
560	"""
561	Shows the panel with the given id
562
563	:param uid: unique ID number of the panel to show
564
565	"""
566	ID = str(uid)
567	config.printEVT("show_panel: %s" % ID)
568	if ID in self.panels.keys():
569	if not self._mgr.GetPane(self.panels[ID].window_name).IsShown():
570	self._mgr.GetPane(self.panels[ID].window_name).Show()
571	# Hide default panel
572	self._mgr.GetPane(self.panels["default"].window_name).Hide()
573	self._mgr.Update()
574
575	def _on_open(self, event):
576	"""
577	"""
578	path = self.choose_file()
579	if path is None:
580	return
581
582	from data_loader import plot_data
583	from sans.perspectives import invariant
584	if path and os.path.isfile(path):
585	basename = os.path.basename(path)
586	if basename.endswith('.svs'):
587	#remove panels for new states
588	for item in self.panels:
589	try:
590	self.panels[item].clear_panel()
591	except:
592	pass
593	#reset states and plot data
594	for item in STATE_FILE_EXT:
595	exec "plot_data(self, path,'%s')" % str(item)
596	else:
597	plot_data(self, path)
598	if self.defaultPanel is not None and \
599	self._mgr.GetPane(self.panels["default"].window_name).IsShown():
600	self.on_close_welcome_panel()
601
602	def _on_save(self, event):
603	"""
604	Save state into a file
605	"""
606	# Ask the user the location of the file to write to.
607
608	## Default file location for save
609	self._default_save_location = os.getcwd()
610	path = None
611	dlg = wx.FileDialog(self, "Choose a file",
612	self._default_save_location, "", "*.svs", wx.SAVE)
613	if dlg.ShowModal() == wx.ID_OK:
614	path = dlg.GetPath()
615	self._default_save_location = os.path.dirname(path)
616	else:
617	return None
618	dlg.Destroy()
619	if path is None:
620	return
621	# default cansas xml doc
622	doc = None
623	for item in self.panels:
624	try:
625	if self.panels[item].window_name == 'Invariant':
626	data = self.panels[item]._data
627	if data != None:
628	state = self.panels[item].state
629	manager = self.panels[item]._manager
630	new_doc = manager.state_reader.write_toXML(data, state)
631	if hasattr(doc, "firstChild"):
632	child = new_doc.firstChild.firstChild
633	doc.firstChild.appendChild(child)
634	else:
635	doc = new_doc
636	elif self.panels[item].window_name == 'pr_control':
637	data = self.panels[item].manager.current_plottable
638	if data != None:
639	state = self.panels[item].get_state()
640	manager = self.panels[item].manager
641	new_doc = manager.state_reader.write_toXML(data, state)
642	if hasattr(doc, "firstChild"):
643	child = new_doc.firstChild.firstChild
644	doc.firstChild.appendChild(child)
645	else:
646	doc = new_doc
647	elif self.panels[item].window_name == 'Fit panel':
648	for index in range(self.panels[item].GetPageCount()):
649	selected_page = self.panels[item].GetPage(index)
650	if hasattr(selected_page,"get_data"):
651	data = selected_page.get_data()
652	state = selected_page.state
653	reader = selected_page.manager.state_reader
654	new_doc = reader.write_toXML(data, state)
655	if doc != None and hasattr(doc, "firstChild"):
656	child = new_doc.firstChild.firstChild
657	doc.firstChild.appendChild(child)
658	else:
659	doc = new_doc
660	except:
661	pass
662	# Write the XML document
663	if doc != None:
664	fd = open(path, 'w')
665	fd.write(doc.toprettyxml())
666	fd.close()
667	else:
668	#print "Nothing to save..."
669	raise RuntimeError, "%s is not a SansView (.svs) file..." % path
670
671	def _onClose(self, event):
672	"""
673	Store info to retrieve in xml before closing the application
674	"""
675	wx.Exit()
676	sys.exit()
677
678	def quit_guiframe(self):
679	"""
680	Pop up message to make sure the user wants to quit the application
681	"""
682	message = "Do you really want to quit \n"
683	message += "this application?"
684	dial = wx.MessageDialog(self, message, 'Question',
685	wx.YES_NO\|wx.YES_DEFAULT\|wx.ICON_QUESTION)
686	if dial.ShowModal() == wx.ID_YES:
687	return True
688	else:
689	return False
690
691	def Close(self, event=None):
692	"""
693	Quit the application
694	"""
695	flag = self.quit_guiframe()
696	if flag:
697	#import sys
698	wx.Frame.Close(self)
699	wx.Exit()
700	sys.exit()
701
702	def _check_update(self, event=None):
703	"""
704	Check with the deployment server whether a new version
705	of the application is available.
706	A thread is started for the connecting with the server. The thread calls
707	a call-back method when the current version number has been obtained.
708	"""
709	if hasattr(config, "__update_URL__"):
710	import version
711	checker = version.VersionThread(config.__update_URL__,
712	self._process_version,
713	baggage=event==None)
714	checker.start()
715
716	def _process_version(self, version, standalone=True):
717	"""
718	Call-back method for the process of checking for updates.
719	This methods is called by a VersionThread object once the current
720	version number has been obtained. If the check is being done in the
721	background, the user will not be notified unless there's an update.
722
723	:param version: version string
724	:param standalone: True of the update is being checked in
725	the background, False otherwise.
726
727	"""
728	try:
729	if cmp(version, config.__version__) > 0:
730	msg = "Version %s is available! See the Help "
731	msg += "menu to download it." % version
732	self.SetStatusText(msg)
733	if not standalone:
734	import webbrowser
735	webbrowser.open(config.__download_page__)
736	else:
737	if not standalone:
738	msg = "You have the latest version"
739	msg += " of %s" % config.__appname__
740	self.SetStatusText(msg)
741	except:
742	msg = "guiframe: could not get latest application"
743	msg += " version number\n %s" % sys.exc_value
744	logging.error(msg)
745	if not standalone:
746	msg = "Could not connect to the application server."
747	msg += " Please try again later."
748	self.SetStatusText(msg)
749
750	def _onAbout(self, evt):
751	"""
752	Pop up the about dialog
753
754	:param evt: menu event
755
756	"""
757	if config._do_aboutbox:
758	import aboutbox
759	dialog = aboutbox.DialogAbout(None, -1, "")
760	dialog.ShowModal()
761
762	def _onreloaFile(self, event):
763	"""
764	load a data previously opened
765	"""
766	from .data_loader import plot_data
767	for item in self.filePathList:
768	id, _, path, _ = item
769	if id == event.GetId():
770	if path and os.path.isfile(path):
771	plot_data(self, path)
772	break
773
774	def set_manager(self, manager):
775	"""
776	Sets the application manager for this frame
777
778	:param manager: frame manager
779	"""
780	self.app_manager = manager
781
782	def post_init(self):
783	"""
784	This initialization method is called after the GUI
785	has been created and all plug-ins loaded. It calls
786	the post_init() method of each plug-in (if it exists)
787	so that final initialization can be done.
788	"""
789	for item in self.plugins:
790	if hasattr(item, "post_init"):
791	item.post_init()
792
793	def set_default_perspective(self):
794	"""
795	Choose among the plugin the first plug-in that has
796	"set_default_perspective" method and its return value is True will be
797	as a default perspective when the welcome page is closed
798	"""
799	for item in self.plugins:
800	if hasattr(item, "set_default_perspective"):
801	if item.set_default_perspective():
802	item.on_perspective(event=None)
803	return
804
805	def set_perspective(self, panels):
806	"""
807	Sets the perspective of the GUI.
808	Opens all the panels in the list, and closes
809	all the others.
810
811	:param panels: list of panels
812	"""
813	for item in self.panels:
814	# Check whether this is a sticky panel
815	if hasattr(self.panels[item], "ALWAYS_ON"):
816	if self.panels[item].ALWAYS_ON:
817	continue
818	if self.panels[item].window_name in panels:
819	if not self._mgr.GetPane(self.panels[item].window_name).IsShown():
820	self._mgr.GetPane(self.panels[item].window_name).Show()
821	else:
822	if self._mgr.GetPane(self.panels[item].window_name).IsShown():
823	self._mgr.GetPane(self.panels[item].window_name).Hide()
824	self._mgr.Update()
825
826	def choose_file(self, path=None):
827	"""
828	Functionality that belongs elsewhere
829	Should add a hook to specify the preferred file type/extension.
830	"""
831	#TODO: clean this up
832	from .data_loader import choose_data_file
833	# Choose a file path
834	if path == None:
835	path = choose_data_file(self, self._default_save_location)
836	if not path == None:
837	try:
838	self._default_save_location = os.path.dirname(path)
839	except:
840	pass
841	return path
842
843	class DefaultPanel(wx.Panel):
844	"""
845	Defines the API for a panels to work with
846	the GUI manager
847	"""
848	## Internal nickname for the window, used by the AUI manager
849	window_name = "default"
850	## Name to appear on the window title bar
851	window_caption = "Welcome panel"
852	## Flag to tell the AUI manager to put this panel in the center pane
853	CENTER_PANE = True
854
855
856	# Toy application to test this Frame
857	class ViewApp(wx.App):
858	"""
859	"""
860	def OnInit(self):
861	"""
862	"""
863	self.frame = ViewerFrame(None, -1, config.__appname__)
864	self.frame.Show(True)
865
866	if hasattr(self.frame, 'special'):
867	self.frame.special.SetCurrent()
868	self.SetTopWindow(self.frame)
869	return True
870
871	def set_manager(self, manager):
872	"""
873	Sets a reference to the application manager
874	of the GUI manager (Frame)
875	"""
876	self.frame.set_manager(manager)
877
878	def build_gui(self):
879	"""
880	Build the GUI
881	"""
882	self.frame.build_gui()
883	self.frame.post_init()
884
885	def set_welcome_panel(self, panel_class):
886	"""
887	Set the welcome panel
888
889	:param panel_class: class of the welcome panel to be instantiated
890
891	"""
892	self.frame.set_welcome_panel(panel_class)
893
894	def add_perspective(self, perspective):
895	"""
896	Manually add a perspective to the application GUI
897	"""
898	self.frame.add_perspective(perspective)
899
900
901	if __name__ == "__main__":
902	app = ViewApp(0)
903	app.MainLoop()
904
905

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SasView

source: sasview/guiframe/gui_manager.py @ 8db3904

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