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WavedashView.py @ 10014

Revision 10014, 42.9 KB (checked in by deepan, 3 years ago)
corrected min,max configuration issue for GUI widgets

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1	## Copyright 2005, 2006, 2007, 2008 Virginia Polytechnic Institute and State University
2	##
3	## This file is part of the OSSIE Waveform Application Visualization Environment
4	##
5	## WaveDash is free software; you can redistribute it and/or modify
6	## it under the terms of the GNU General Public License as published by
7	## the Free Software Foundation; either version 2 of the License, or
8	## (at your option) any later version.
9	##
10	## WaveDash is distributed in the hope that it will be useful, but WITHOUT ANY
11	## WARRANTY; without even the implied warranty of
12	## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13	## GNU General Public License for more details.
14	##
15	## You should have received a copy of the GNU General Public License
16	## along with OSSIE WaveDash; if not, write to the Free Software
17	## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19	import wx
20	import os
21	import WaveformModel
22	import WavedashUtils as utils
23	from wx.lib import scrolledpanel
24	from WaveformModel import WaveformListener
25	from ComponentModel import ComponentListener
26	from PropertyModel import PropertyListener
27
28	OSSIE_WAVEAPP_DIMENSION = (600,600)
29	OSSIE_TITLE = 'Ossie WaveDash'
30	START_ICON_FILE = "/resources/start.png"
31	STOP_ICON_FILE = "/resources/stop.png"
32	UNINSTALL_ICON_FILE = "/resources/LET-U.jpg"
33	NAMINGSERVICE_ICON_FILE = "/resources/network.png"
34
35
36
37	class WavedashView(wx.Frame, WaveformListener,
38	ComponentListener, PropertyListener ):
39	""" This is top level frame that acts as primary UI """
40	def __init__(self, controller, amodel):
41	wx.Frame.__init__(self, parent=None, id=-1, title=OSSIE_TITLE )
42	# size = OSSIE_WAVEAPP_DIMENSION)
43	#Create the model and register the frame to the listeners of
44	#Waveform, Component and Property Models.
45
46	self.controller = controller
47	self.model = amodel
48	self.model.addWaveformListener(self)
49	self.model.addComponentListener(self)
50	self.model.addPropertyListener(self)
51
52	self.toolbar = None
53	self.createToolBar()
54
55	#notebook to hold the waveform panels
56	self.mainPanel = wx.Panel(self)
57	self.notebook = wx.Notebook(self.mainPanel)
58	#bind notebook to page changed event
59	self.notebook.Bind(wx.EVT_NOTEBOOK_PAGE_CHANGED, self.OnNbPageChange, self.notebook)
60
61	#sizers to manage the notebook
62	self.nbSizer = wx.BoxSizer()
63	self.nbSizer.Add(self.notebook, 1, wx.EXPAND)
64	self.mainPanel.SetSizer(self.nbSizer)
65
66	self.statusBar = None
67	self.createMenus()
68
69
70	self.wpanels = [] # this list holds the panel objects of the installed waveforms
71	self.prpPopupMenus = {} #this dict is of the form {'wPanelRef':{window, popUpMenu}}
72	self.compPopupMenus = {}
73	self.tempProp = None
74	self.tempComp = None
75
76
77	self.SetSize(OSSIE_WAVEAPP_DIMENSION)
78	self.Center()
79
80
81	def createToolBar(self):
82	self.toolbar = self.CreateToolBar()
83	rsize = (20, 20)
84	refreshImg = wx.ArtProvider.GetBitmap(wx.ART_REDO, wx.ART_TOOLBAR, rsize)
85	refresh = self.toolbar.AddSimpleTool(-1,refreshImg ,shortHelpString="Refresh")
86	self.Bind(wx.EVT_TOOL, self.OnRefresh, refresh)
87
88	root = __file__
89	if os.path.islink (root):
90	root = os.path.realpath (root)
91	root = os.path.dirname (os.path.abspath (root))
92
93	selectNSIcon = wx.Image(root + NAMINGSERVICE_ICON_FILE, wx.BITMAP_TYPE_ANY).ConvertToBitmap()
94	selectNS = self.toolbar.AddSimpleTool(-1, selectNSIcon, shortHelpString="Configure Naming Service address")
95
96	startIcon = wx.Image(root + START_ICON_FILE, wx.BITMAP_TYPE_ANY).ConvertToBitmap()
97	stopIcon = wx.Image(root + STOP_ICON_FILE, wx.BITMAP_TYPE_ANY).ConvertToBitmap()
98	uninstallIcon = wx.Image(root + UNINSTALL_ICON_FILE, wx.BITMAP_TYPE_ANY).ConvertToBitmap()
99	start = self.toolbar.AddSimpleTool(-1, startIcon, shortHelpString="Start waveform")
100	stop = self.toolbar.AddSimpleTool(-1, stopIcon, shortHelpString="Stop Waveform")
101	uninstall = self.toolbar.AddSimpleTool(-1, uninstallIcon, shortHelpString="Uninstall waveform")
102
103	self.Bind(wx.EVT_TOOL, self.OnStart, start)
104	self.Bind(wx.EVT_TOOL, self.OnStop, stop)
105	self.Bind(wx.EVT_TOOL, self.OnUninstall, uninstall)
106	self.Bind(wx.EVT_TOOL, self.OnSelectNS, selectNS)
107
108	def OnStart(self, event):
109	activeWform = self.model.getActiveWaveform()
110	if activeWform is None:
111	utils.showMessage("Start Failed!!! No waveform is running now",
112	utils.NON_FATAL)
113	return
114	status = self.controller.startWaveform(activeWform.getName())
115
116	def OnStop(self, event):
117	activeWform = self.model.getActiveWaveform()
118	if activeWform is None:
119	utils.showMessage("Stop Failed!!! No waveform is running now",
120	utils.NON_FATAL)
121	return
122	status = self.controller.stopWaveform(activeWform.getName())
123
124	def OnUninstall(self, event):
125	selWform = self.model.getActiveWaveform()
126	if selWform is None:
127	utils.showMessage("Uninstall Failed!!! No waveform is running now",
128	utils.NON_FATAL)
129	return
130
131	success = self.model.removeWaveform(selWform)
132
133	def OnSelectNS(self, event):
134	self.controller.selectNS()
135
136
137	def createMenus(self):
138	menuBar = wx.MenuBar()
139	#These features are not yet implemented in 0.7.3
140	# fileMenu = wx.Menu()
141	# openLayout = fileMenu.Append(-1, '&Open Layout')
142	# saveLayout = fileMenu.Append(-1, '&Save Layout')
143	# saveLayoutAs = fileMenu.Append(-1, 'S&ave Layout As')
144	# exit = fileMenu.Append(-1, 'E&xit\tCtrl-Q')
145	#
146	# self.Bind(wx.EVT_MENU, self.OnOpenLayout, openLayout)
147	# self.Bind(wx.EVT_MENU, self.OnSaveLayout, saveLayout)
148	# self.Bind(wx.EVT_MENU, self.OnSaveLayoutAs, saveLayoutAs)
149	# self.Bind(wx.EVT_MENU, self.OnExit, exit)
150	#
151	waveformsMenu = wx.Menu()
152	componentsMenu = wx.Menu()
153
154	# preferencesMenu = wx.Menu()
155	# widgetSettings = preferencesMenu.Append(-1, '&Widget Settings')
156	# self.Bind(wx.EVT_MENU, self.OnWidgetSettings,widgetSettings)
157	#
158	helpMenu = wx.Menu()
159	about = helpMenu.Append(-1,'&About')
160	self.Bind(wx.EVT_MENU, self.OnAbout, about)
161
162	# menuBar.Append(fileMenu, '&File')
163	menuBar.Append(waveformsMenu, '&Waveforms')
164	#waveformsMenu.AppendSeparator()
165	menuBar.Append(componentsMenu, '&Components')
166	#menuBar.Append(preferencesMenu, '&Preferences')
167	menuBar.Append(helpMenu, '&Help')
168
169	self.SetMenuBar(menuBar)
170
171	def createWaveformPanel(self, parent, waveform, preview = False):
172
173	wPanel = scrolledpanel.ScrolledPanel(parent, -1, name=waveform.getName())
174	wSizer = wx.BoxSizer(wx.VERTICAL)
175	componentList = waveform.getAllComponents()
176
177	for component in componentList:
178	cPanel = self.createComponentPanel(wPanel,component, preview)
179	wSizer.Add(cPanel, 0, wx.ALIGN_LEFT \| wx.GROW, 10)
180
181	wPanel.SetSizer(wSizer)
182	wPanel.SetupScrolling(True, True, 20, 20)
183
184	#No need to add the panels to the wpanels list when preview is On
185	if preview is False:
186	self.wpanels.append(wPanel)
187
188	wSizer.Fit(wPanel)
189	return wPanel
190
191	def createComponentPanel(self, wPanel, component, preview = False):
192	cPanel = wx.Panel(wPanel, -1, name=component.getName())
193	sbox = wx.StaticBox(cPanel, -1, component.getName())
194	sboxSizer = wx.StaticBoxSizer(sbox, wx.VERTICAL)
195	prpWidgetList = []
196
197	if not component.isVisible():
198	cPanel.Hide()
199
200	propertyList = component.getAllProperties()
201	#properites of a component are laid on the component panel using a gridbag sizer
202	#Each widget takes one cell except a Slider which spans across multiple columns
203
204	for property in propertyList:
205	widget = property.getWidget()
206
207	plabel = wx.StaticText(cPanel, -1, property.getName(), name = property.getName())
208	pWindow = self.mapWidgetToWindow(cPanel, property, widget)
209	pWindow.SetToolTipString(property.getDesc())
210
211	if not property.isVisible():
212	plabel.Hide()
213	pWindow.Hide()
214
215	if preview is True:
216	#Don't allow any manipulation on properties in Preview form.
217	pWindow.Enable(False)
218
219	#Create a popup menu for this property
220	self.attachPopupMenuToProp(wPanel, pWindow, property)
221
222	windowType = pWindow.__class__
223	eventType = wx.EVT_KILL_FOCUS
224
225	#Find the type of event corresponding to the window in use
226	if windowType is wx.TextCtrl or windowType is wx.SpinCtrl:
227	pWindow.Bind(wx.EVT_TEXT_ENTER, self.OnPropValueChanged, pWindow)
228	pWindow.Bind(wx.EVT_KILL_FOCUS, self.OnPropValueChanged, pWindow)
229	elif windowType is wx.Slider:
230	pWindow.Bind(wx.EVT_COMMAND_SCROLL, self.OnPropValueChanged, pWindow)
231	elif windowType is wx.CheckBox:
232	pWindow.Bind(wx.EVT_CHECKBOX, self.OnPropValueChanged, pWindow)
233
234	#checkbox has a label associated with itself. so no need to add separate label
235	if pWindow.__class__ is wx.CheckBox:
236	plabel.SetLabel("")
237
238	prpWidgetList.append(plabel)
239	prpWidgetList.append(pWindow)
240
241	#prpWidgetList contains the label and widgets for all the properties of this component
242	#addPropToCompSizer creates a new gridbagsizer and adds the labels and widgets contained
243	#in the prpWidgetList
244
245	gbagSizer = self.addPropToCompSizer(prpWidgetList)
246
247	sboxSizer.SetMinSize(gbagSizer.GetMinSize())
248	sboxSizer.Add(gbagSizer, 1, wx.ALIGN_CENTER \| wx.EXPAND, 10)
249	cPanel.SetSizer(sboxSizer)
250
251	#After layingout the widgets (labels & controls) for all the properties,
252	#attach a popupmenu at component level. i.e. for each component panel
253
254	self.attachPopupToComponent(component, cPanel)
255	return cPanel
256
257	def addPropToCompSizer(self, propList):
258	#IMPORTANT NOTE: proplist should have items in the following way.
259	#[label, window, label, window, label, window, .... ]
260	index = 0
261	gridSizer = wx.GridSizer(2,4,5,5)
262
263	while (index < len(propList) ):
264	plabel = propList[index]
265	pWindow = propList[index+1]
266
267	#if the windows are hidden, don't add them to the sizer.
268	#They will be added when the user select the properties again.
269	if (not plabel.IsShown()) or (not pWindow.IsShown()):
270	index = index + 2
271	continue
272	gridSizer.Add(plabel, 0)
273	gridSizer.Add(pWindow, 0)
274	index = index + 2
275	return gridSizer
276
277	def attachPopupToComponent(self, component, cPanel):
278	cPopup = wx.Menu(title='')
279	moveUp = cPopup.Append(wx.NewId(), 'Move up')
280	moveDown = cPopup.Append(wx.NewId(), 'Move Down')
281	save = cPopup.Append(wx.NewId(), 'Save')
282	saveAs = cPopup.Append(wx.NewId(), 'Save As')
283
284	#save and saveAs will be implemented in next release.disable for now
285	save.Enable(False)
286	saveAs.Enable(False)
287
288	prpMenu = wx.Menu()
289	#All properties are enabled by default.
290	prpList = component.getAllProperties()
291	for prp in prpList:
292	chkMenuItem = prpMenu.AppendCheckItem(wx.NewId(), prp.getName())
293	chkMenuItem.Check(True)
294	self.Bind(wx.EVT_MENU, self.OnPropertySelect, chkMenuItem)
295
296	cPopup.AppendMenu(wx.NewId(), 'Properties', prpMenu)
297
298	wPanel = cPanel.GetParent()
299
300	if self.compPopupMenus.has_key(wPanel):
301	cPanelDict = self.compPopupMenus[wPanel]
302	if cPanelDict.has_key(cPanel.GetName()) is False:
303	cPanelDict[str(cPanel.GetName())] = cPopup
304	else:
305	self.compPopupMenus[wPanel] = {cPanel.GetName():cPopup}
306
307	self.Bind(wx.EVT_MENU, self.OnComponentMoveUp, moveUp)
308	self.Bind(wx.EVT_MENU, self.OnComponentMoveDown, moveDown)
309
310	cPanel.Bind(wx.EVT_RIGHT_DOWN, self.OnComponentRightClick)
311
312
313	def OnComponentRightClick(self, event):
314	src = event.GetEventObject()
315	curWPanel = self.getCurrentPanel()
316	#Storing the reference to current component panel in a temp variable
317	#This temp will be used to map the context menu and the component menu in
318	#the event handler for PropertySelect and other items in Context menu also.
319
320	self.tempComp = src
321	for wpanel in self.compPopupMenus.keys():
322	if wpanel is curWPanel:
323	windowDict = self.compPopupMenus[wpanel]
324	src.PopupMenu(windowDict[str(src.GetName())])
325
326	def attachPopupMenuToProp(self, wPanel, window, property):
327	pSubMenu = wx.Menu(title='')
328	#default = property.getWidget()
329	default = self.controller.getDefaultWidget(property.getType())
330	optList = self.controller.getOptionalWidgets(property.getType())
331
332	mItem = pSubMenu.AppendRadioItem(wx.NewId(), default.type)
333	self.Bind(wx.EVT_MENU, self.PropPopupHandler, id = mItem.GetId())
334	for optWidget in optList:
335	mItem = pSubMenu.AppendRadioItem(wx.NewId(), optWidget.type)
336	self.Bind(wx.EVT_MENU, self.PropPopupHandler, id = mItem.GetId())
337	if property.getWidget().type == optWidget.type:
338	mItem.Check(True)
339
340	pSubMenu.AppendSeparator()
341	configure = pSubMenu.Append(wx.NewId(), 'Configure')
342	self.Bind(wx.EVT_MENU, self.PropConfigureHandler, id = configure.GetId())
343
344	#Configure shuold be enabled only for slider and spin buttons.
345	#If other options are enabled, then disable the Configure Menu Item
346	self.propPopUpUpdate(pSubMenu)
347
348	chgMenu = wx.Menu(title='')
349	chgMenuItem = wx.MenuItem(chgMenu, wx.NewId(), 'Change To', subMenu = pSubMenu)
350	chgMenu.AppendItem(chgMenuItem)
351
352	#Associate the pop Menu wit the window
353	cpRef = property.getParent().getName() + '/' + property.getName()
354
355	if self.prpPopupMenus.has_key(wPanel):
356	subDict = self.prpPopupMenus[wPanel]
357	if subDict.has_key(cpRef) is False:
358	subDict[cpRef] = chgMenu
359	else:
360	self.prpPopupMenus[wPanel] = {cpRef:chgMenu}
361
362	window.Bind(wx.EVT_RIGHT_DOWN, self.OnPropRightClick)
363
364	def OnPropRightClick(self, event):
365	src = event.GetEventObject()
366	curPanel = self.getCurrentPanel()
367	#The widget(actual wxPython windows) on which the Popupmenu is invoked is
368	#stored in a temp variable to access it later during the events generated
369	#by PopUpMenu
370
371	self.tempProp = src
372	for wpanel in self.prpPopupMenus.keys():
373	if wpanel is curPanel:
374
375	#===============================================================================
376	# A pop-up menu is associated with each property. the member variable prpPopupMenus
377	# is a hash object indexed by waveform names. Value of a hash object points to another
378	# hash which indexes the popup menus by component_name/property_name.
379	#===============================================================================
380
381	windowDict = self.prpPopupMenus[wpanel]
382	cpRef = src.GetParent().GetName() + '/' + src.GetName()
383	src.GetParent().PopupMenu(windowDict[cpRef])
384
385
386	def PropPopupHandler(self, event):
387	srcId = event.GetId()
388	mItems = event.GetEventObject().GetMenuItems()
389
390	#Enable the configure option only slider and spin box to set their min and
391	#max values.
392
393	self.propPopUpUpdate(event.GetEventObject())
394
395	for mItem in mItems:
396	if mItem.GetId() == srcId:
397	#self.tempProp is set to identify the property when Popupmenu is invoked.
398	property = self.tempProp
399	component = property.GetParent()
400	wform = component.GetParent()
401	self.model.changePropertyWidget(component.GetName(),
402	property.GetName(), mItem.GetItemLabel())
403
404	def PropConfigureHandler(self, event):
405	propertyCtrl = self.tempProp
406	cPanel = propertyCtrl.GetParent()
407	wPanel = cPanel.GetParent()
408
409	#Get reference to the property thruogh its compnent and waveform.
410	#Then, get the widget reference from the property
411	wform = self.model.getActiveWaveform()
412	component = wform.getComponent(cPanel.GetName())
413	property = component.findPropertyByName(propertyCtrl.GetName())
414
415	widget = property.getWidget()
416
417	if propertyCtrl.__class__ is wx.SpinCtrl \
418	or propertyCtrl.__class__ is wx.Slider:
419	curMin, curMax = property.getRange()
420	curValue = property.getValue()
421	#curMin = widget.getMin()
422	#curMax = widget.getMax()
423	title = 'Widget Configuration'
424	confDialog = utils.ConfigureWidget(self, title, curValue)
425	confDialog.setMin(curMin)
426	confDialog.setMax(curMax)
427
428	confDialog.ShowModal()
429
430	#Get the new min and max once the dialog is destroyed in the
431	#event handlers of Ok and Cancel defined in ConfigureWidget
432	newMin = confDialog.getMin()
433	newMax = confDialog.getMax()
434
435	#No need to udpate the model if the values are not changed
436	if (newMin == curMin) and (newMax == curMax):
437	return
438	else:
439	# the newMin and newMax values will be updated to the range attribute of the property
440	status = self.model.configurePropertyWidget(cPanel.GetName(), propertyCtrl.GetName(), newMin, newMax)
441	if status is False:
442	utils.showMessage("Invalid range of values (" + str(newMin) + "," + str(newMax) + ")" , utils.NON_FATAL)
443	return
444
445	def propPopUpUpdate(self, menu):
446	menuItems = menu.GetMenuItems()
447	confItemId = menu.FindItem('Configure')
448	confItem = menu.FindItemById(confItemId)
449	confItem.Enable(False)
450
451	for mItem in menuItems:
452	if mItem.GetItemLabel() == "spin" or mItem.GetItemLabel() == "slider":
453	if mItem.IsChecked():
454	confItem.Enable(True)
455
456	def mapWidgetToWindow(self, parent, property, widget):
457	window = None
458	label = None
459	pValue = property.getValue()
460
461	widgetType = widget.type
462
463	if widgetType == "text":
464	window = wx.TextCtrl(parent, -1, str(pValue), style = wx.TE_PROCESS_ENTER)
465	elif widgetType == "spin":
466	minV, maxV = property.getRange()
467	window = wx.SpinCtrl(parent, -1, str(pValue), min = minV, max = maxV, style = wx.TE_PROCESS_ENTER)
468	elif widgetType == "slider":
469	minV, maxV = property.getRange()
470	if widget.parameters["style"] == "HORIZONTAL":
471	styleV = wx.SL_HORIZONTAL \| wx.SL_LABELS
472	elif widget.parameters["style"] == "VERTICAL":
473	styleV = wx.SL_VERTICAL \| wx.SL_LABELS
474	window = wx.Slider(parent, -1, int(pValue), minValue = minV, maxValue = maxV, style = styleV, size=(120,35))
475	elif widgetType == "checkbox":
476	window = wx.CheckBox(parent, -1, property.getName())
477	elif widgetType == "listbox":
478	if (pValue is not None) and (type(pValue) is list):
479	window = wx.TextCtrl(parent, -1, str(pValue))
480	else:
481	window = wx.TextCtrl(parent, -1, str(None))
482	else:
483	window = wx.TextCtrl(parent, -1, str(pValue))
484
485	if window is not None:
486	window.SetName(property.getName())
487	return window
488
489	def OnPropValueChanged(self, event):
490	src = event.GetEventObject()
491	prp = src.GetName()
492	comp = src.GetParent().GetName()
493	wName = src.GetParent().GetParent().GetName()
494	wform = self.model.getWaveform(wName, WaveformModel.INSTANCE_WAVEFORM)
495	#This event is triggered whenever a property widget loses its focus.
496	#A widget loses its focus when the user switch to another widget in the same window
497	#or select a different waveform.
498	if wform is None:
499	#if event triggered as a result of object destroy or from Waveform Preview Dialog
500	#then no need to update the value. Just return
501	return
502
503	compRef = wform.getComponent(comp)
504	prpRef = compRef.findPropertyByName(prp)
505	curVal = self.formatWidgetToModel(src.GetValue(), prpRef.getType())
506	preVal = prpRef.getValue()
507	if curVal is not None:
508
509	#if both the values are equal then no need to call configure()
510	if preVal == curVal:
511	return
512	else:
513	status = self.model.configure(wName, comp, prp, curVal)
514	#leave the text box as it is if status is True
515	#if the configure operation failed, revert the text value to the value stored in
516	#the model.
517	if status is False:
518	msg = "Could not configure " + prp
519	utils.showMessage(msg, utils.NON_FATAL)
520	self.formatModelToWidget(src, preVal)
521	#src.SetValue(str(preVal))
522
523	else:
524	msg = "Invalid value for %s/%s" % (comp, prp) + "\nEnter only '" + prpRef.getType()[1] + "' values"
525	msg = msg + "\nFor sequence types, enter values separated by comma"
526	msg = msg + " and enclosed within [] e.g. [10,20,30]"
527
528	utils.showMessage(msg, utils.NON_FATAL)
529	self.formatModelToWidget(src, preVal)
530	self.Layout()
531
532	def formatModelToWidget(self, widget, value):
533	if widget.__class__ is wx.TextCtrl:
534	widget.SetValue(str(value))
535	elif widget.__class__ is wx.SpinCtrl:
536	widget.SetValue(int(value))
537	elif widget.__class__ is wx.Slider:
538	widget.SetValue(int(value))
539	elif widget.__class__ is wx.CheckBox:
540	if value == "True" or value == 1:
541	widget.SetValue(True)
542	else:
543	widget.SetValue(False)
544
545
546	def formatWidgetToModel(self, curVal, propType):
547	""" Converts the string literal into the suitable data type
548	as configured for the property"""
549	val = None
550	#propType is a tuple containing the (xmlType,datatype)
551	#e.g. ('simple','short')
552	xmlType = propType[0]
553	dtype = propType[1]
554	try:
555	if (xmlType == "simple"):
556	if dtype == "short" or dtype == "ushort":
557	val = int(curVal)
558	elif dtype == "int" or dtype == "uint":
559	val = int(curVal)
560	elif dtype == "long" or dtype == "ulong":
561	val = long(curVal)
562	elif dtype == "double" or dtype == "float":
563	val = float(curVal)
564	elif dtype == "char":
565	val = str(curVal)
566	elif type == "boolean":
567	val = curVal
568	elif dtype == "string":
569	val = str(curVal)
570	else:
571	val = None
572	#sequence values are represented as list of values separated
573	#by a comma. e.g. '[10,20,30]'
574
575	elif (xmlType == "simplesequence"):
576	if dtype == "float":
577	val = []
578	#strip the open and close bracket
579	listVal = curVal.lstrip('[')
580	listVal = listVal.rstrip(']')
581	for lVal in listVal.split(','):
582	val.append(float(lVal))
583	if dtype == "string":
584	val = []
585	#strip the open and close bracket
586	listVal = curVal.lstrip('[')
587	listVal = listVal.rstrip(']')
588	for lVal in listVal.split(','):
589	val.append(str(lVal))
590	if dtype == "short" or dtype == "int":
591	val = []
592	#strip the open and close bracket
593	listVal = curVal.lstrip('[')
594	listVal = listVal.rstrip(']')
595	for lVal in listVal.split(','):
596	val.append(int(lVal))
597
598	except(ValueError):
599	val = None
600
601	return val
602
603	def AddToWaveformsMenu(self, newWaveform, type):
604	wMenu = self.FindMenuInMenuBar('Waveforms')
605
606	if type == WaveformModel.SYSTEM_WAVEFORM:
607	wSubMenu = wx.Menu()
608	install = wSubMenu.Append(-1, 'Install')
609	installAndStart = wSubMenu.Append(-1, 'Install and Start')
610	viewWform = wSubMenu.Append(-1, 'Preview')
611	properties = wSubMenu.Append(-1, 'Properties')
612
613	wMenu.InsertMenu(0,-1, newWaveform, wSubMenu) #insert at the start of the list
614
615	self.Bind(wx.EVT_MENU, self.OnWaveformInstall, install)
616	self.Bind(wx.EVT_MENU, self.OnWaveformInstallAndStart, installAndStart)
617	self.Bind(wx.EVT_MENU, self.OnWaveformPreview, viewWform)
618	self.Bind(wx.EVT_MENU, self.OnWaveformProperties, properties)
619
620	def AddToComponentsMenu(self, newComponent, isVisible):
621	cMenu = self.FindMenuInMenuBar('Components')
622	citem = cMenu.AppendCheckItem(-1, newComponent)
623	self.Bind(wx.EVT_MENU, self.OnComponentMenuClick, citem)
624
625	if isVisible:
626	citem.Check(True)
627
628	def OnWaveformInstall(self, event):
629	chosenMenu = event.GetEventObject()
630	parent = chosenMenu.GetParent()
631
632	for mItem in parent.GetMenuItems():
633	if mItem.GetSubMenu() is chosenMenu:
634	self.controller.installWaveform(mItem.GetItemLabel(), False)
635	break
636
637	def OnWaveformInstallAndStart(self, event):
638	chosenMenu = event.GetEventObject()
639	parent = chosenMenu.GetParent()
640
641	for mItem in parent.GetMenuItems():
642	if mItem.GetSubMenu() is chosenMenu:
643	self.controller.installWaveform(mItem.GetItemLabel(), True)
644	break
645
646	def OnPropertySelect(self, event):
647	srcId = event.GetId()
648	pMenu = event.GetEventObject()
649	mItemList = pMenu.GetMenuItems()
650	for mItem in mItemList:
651	if srcId == mItem.GetId():
652	propName = mItem.GetItemLabel()
653	#self.tempComp has the reference to the component panel on which
654	#the context menu is invoked in ComponentRightClick Handler
655	compName = self.tempComp.GetName()
656	self.model.updatePropertyState(compName, propName, mItem.IsChecked())
657	break
658
659	def OnComponentMoveUp(self, event):
660	compName = self.tempComp.GetName()
661	wformName = self.tempComp.GetParent().GetName()
662	self.model.moveComponentUp(wformName, compName)
663
664	def OnComponentMoveDown(self, event):
665	compName = self.tempComp.GetName()
666	wformName = self.tempComp.GetParent().GetName()
667	self.model.moveComponentDown(wformName, compName)
668
669
670	def OnWaveformPreview(self, event):
671	chosenMenu = event.GetEventObject()
672	parent = chosenMenu.GetParent()
673
674	for mItem in parent.GetMenuItems():
675	if mItem.GetSubMenu() is chosenMenu:
676	wformName = mItem.GetItemLabel()
677	waveform = self.model.getWaveform(wformName, WaveformModel.SYSTEM_WAVEFORM)
678	title = 'Preview - ' + wformName
679
680	previewFrame = wx.Frame(self, -1, title, OSSIE_WAVEAPP_DIMENSION)
681	wPanel = self.createWaveformPanel(previewFrame, waveform, preview = True)
682	wPanel.Show()
683	previewFrame.Show()
684	break
685
686	def OnWaveformProperties(self, event):
687	chosenMenu = event.GetEventObject()
688	parent = chosenMenu.GetParent()
689
690	for mItem in parent.GetMenuItems():
691	if mItem.GetSubMenu() is chosenMenu:
692	wformName = mItem.GetItemLabel()
693	wformObj = self.model.getWaveform(wformName, WaveformModel.SYSTEM_WAVEFORM)
694	print str(wformObj)
695	title = wformName + " - Properties"
696	wformProperties = str(wformObj)
697	dlg = wx.MessageDialog(None, wformProperties, title, wx.OK \| wx.ICON_INFORMATION)
698	try:
699	dlg.ShowModal()
700	finally:
701	dlg.Destroy()
702
703	#Event Handler for page change. Update the active waveform on each page change
704	def OnNbPageChange(self, event):
705	pageId = event.GetSelection()
706	#GetPage() returns the reference to waveform panel object
707	wPanel = self.notebook.GetPage(pageId)
708	#update active waveform in the model
709	self.model.setActiveWaveform(wPanel.GetName())
710
711	def OnComponentMenuClick(self, event):
712	cMenu = event.GetEventObject()
713	mItemList = cMenu.GetMenuItems()
714	for mItem in mItemList:
715	self.model.updateComponentState(mItem.GetItemLabel(), mItem.IsChecked())
716
717	def UpdateComponentMenu(self, wform):
718
719	componentList = wform.getAllComponents()
720	compMenu = self.FindMenuInMenuBar('Components')
721	#clear the existing items in Component Menu
722	for mItem in compMenu.GetMenuItems():
723	compMenu.DeleteItem(mItem)
724
725	#Now update the component Menu wit the components of currently selected waveform
726	for component in componentList:
727	self.AddToComponentsMenu(component.getName(), component.isVisible())
728
729	#listeners of WaveformListener interface
730	def waveformAdded(self, event):
731	wform = event.getSource()
732	#create the panel only if it is a instance waveform.
733	#For system waveform, just add it to the menu
734	wType = wform.getType()
735	if wType == WaveformModel.INSTANCE_WAVEFORM:
736	wPanel = self.createWaveformPanel(self.notebook, wform)
737	self.notebook.AddPage(wPanel, wform.getName())
738
739	self.AddToWaveformsMenu(wform.getName(), wType)
740
741	def waveformRemoved(self, event):
742
743	srcWform = event.getSource()
744	#if waveform removed is a SYSTEM_WAVEFORM, i.e. the one found in /sdr/dom/waveforms,
745	#remove the waveform from the Waveforms Menu
746	if srcWform is not None and srcWform.getType() == WaveformModel.SYSTEM_WAVEFORM:
747	wformsMenu = self.FindMenuInMenuBar('Waveforms')
748	menuItems = wformsMenu.GetMenuItems()
749	for mItem in menuItems:
750	if mItem.GetItemLabel() == srcWform.getName():
751	wformsMenu.DeleteItem(mItem)
752	break
753	return
754
755	curPanelId = self.notebook.GetSelection()
756	curPanel = self.notebook.GetCurrentPage()
757	wformName = curPanel.GetName()
758	self.wpanels.remove(curPanel)
759	#remove the panel from the notebook
760	self.notebook.RemovePage(curPanelId)
761	#destroy the waveform panel object
762	curPanel.Destroy()
763
764	msg = ("%s Uninstalled !" % wformName)
765	utils.showMessage(msg, utils.INFO)
766
767	#AdvanceSelection() sets the next available page active
768	#and trigger EVT_NOTEBOOK_PAGE_CHANGED event. The event
769	#handler OnNbPageChange() would be called that sets the
770	#active waveform thruogh model.SetActiveWaveform()
771
772	self.notebook.AdvanceSelection(True)
773
774	#if no running waveforms on the system?
775	if self.notebook.GetPageCount() == 0:
776	compMenu = self.FindMenuInMenuBar('Components')
777	#clear the existing items in Component Menu
778	for mItem in compMenu.GetMenuItems():
779	compMenu.DeleteItem(mItem)
780	self.model.setActiveWaveform(None)
781	self.SetSize(OSSIE_WAVEAPP_DIMENSION)
782	#notebook.AdvanceSelection() will not trigger PAGE_CHANGED event if there is
783	#only one panel left. Hence, set the active form explicitly.
784	elif self.notebook.GetPageCount() == 1:
785	nextActiveWform = self.notebook.GetCurrentPage().GetName()
786	self.model.setActiveWaveform(nextActiveWform)
787
788	def waveformSelected(self, event):
789	wform = event.getSource()
790	#If no waveform is there, just update the title and status Bar and return
791	if wform is None:
792	self.SetTitle(OSSIE_TITLE)
793	#self.updateStatusBar()
794	return
795	self.SetTitle(OSSIE_TITLE + ' (' + wform.getName() + ')')
796	#Component menu needs to be updated per waveform basis.
797	self.UpdateComponentMenu(wform)
798	self.Layout()
799
800	def componentStateChanged(self, cEvent):
801	""" A listener method of ComponentListener class that is triggerred
802	whenever a component is selected/deselected in the Component Menu"""
803
804	wPanel = self.getCurrentPanel()
805	cPanelList = wPanel.GetChildren()
806	wPanelSizer = wPanel.GetSizer()
807	componentList = self.model.getActiveWaveform().getAllComponents()
808
809	#Detach all the existing panels from the sizer
810	for cPanel in cPanelList:
811	if wPanelSizer.GetItem(cPanel) != None:
812	wPanelSizer.Detach(cPanel)
813	cPanel.Hide()
814
815	#Update the sizer to be inline with the order of components in Waveform Model
816	for cmp in componentList:
817	if cmp.isVisible():
818	#print cmp.getPosition()
819	for cPanel in cPanelList:
820	if cPanel.GetName() == cmp.getName():
821	wPanelSizer.Add(cPanel, 0, wx.ALL \| wx.EXPAND, 5)
822	cPanel.Show()
823	break
824
825	wPanelSizer.Layout()
826	wPanel.Refresh()
827
828	def propertyStateChanged(self, event):
829	property = event.getSource()
830	component = property.getParent()
831	wPanel = self.getCurrentPanel()
832	cPanel = wPanel.FindWindowByName(component.getName())
833	cPanelSizer = cPanel.GetSizer()
834	#Component Panel sizer is a static box sizer. ACtual widgets are contained in a
835	#gridbag sizer which in turn contained in this static box sizer
836
837	cgsizer = cPanelSizer.GetChildren()[0].GetSizer()
838	propWidgetsList = cgsizer.GetChildren()
839
840	#propWidgetsList stores the list of labels and widgets of properties in SizerItem format.
841	#Get the actual window from the SizerItem object before acting on the window
842
843	#removing all the widgets contained in the sizer
844	for prpWid in propWidgetsList:
845	#prpWid is of type wx.SizerItem. Use GetWindow() to get the window tracked by this SizerItem
846	actW = prpWid.GetWindow()
847	if cgsizer.GetItem(actW) != None:
848	cgsizer.Detach(actW)
849	actW.Hide()
850
851	prpList = component.getAllProperties()
852	propWidgetsList = cPanel.GetChildren()
853
854	#NOTE: The while loop inside the for loop iterates over the children of
855	#the component panel. Since StaticBoxSizer is used to layout the properties,
856	#the first child of the component panel (cPanel) will always be the StaticBox
857	#object which should not be added to the gridbagsizer in addPropToCompSizer
858	#method. Hence, iterating from 1 to length of the propWidgetsList.
859	# (see the value of index )
860
861	newPrpList = []
862	index = 1
863	for prp in prpList:
864	if prp.isVisible():
865	index = 1
866	while ( index < (len(propWidgetsList)) ):
867	actW = propWidgetsList[index]
868
869	if actW.GetName() == prp.getName():
870	newPrpList.append(actW)
871	actW.Show()
872	index = index + 1
873
874	newCgSizer = self.addPropToCompSizer(newPrpList)
875	cPanelSizer.Remove(cgsizer)
876	cPanelSizer.Add(newCgSizer, 1, wx.ALIGN_CENTER \| wx.EXPAND, 10)
877	cPanelSizer.Layout()
878	wPanel.GetSizer().Layout()
879
880
881	def propertyWidgetChanged(self, event):
882	property = event.getSource()
883	compRef = property.getParent()
884	wPanel = self.getCurrentPanel()
885	# DO NOT CALL replaceComponentPanel() DIRECTLY FROM HERE AS IT INVOLVES
886	# A CALL TO window.Destroy() METHOD. THIS METHOD IS STILL IN THE CONTEXT
887	# OF EVENT HANDLER INVOKED AS A RESULT OF RIGHT CLICK ON PROPERTY WIDGET.
888	# CALLING replaceComponentPanel() DIRECTLY FROM HERE WOULD CRASH THE
889	# APPLICATION.
890
891	wx.CallAfter(self.replaceComponentPanel, wPanel, compRef )
892
893	def propertyRangeChanged(self, event):
894	propertyCtrl = self.tempProp
895	propRef = event.getSource()
896	newMin, newMax = propRef.getRange()
897	propertyCtrl.SetRange(newMin, newMax)
898
899	#if GUI widget's current value is changed because new min, max values
900	#we have to update the new value to the model as well.
901	curWidVal = self.formatWidgetToModel(propertyCtrl.GetValue(), propRef.getType())
902	preVal = propRef.getValue()
903	if preVal == curWidVal:
904	pass
905	else:
906	pName = propertyCtrl.GetName()
907	cName = propertyCtrl.GetParent().GetName()
908	wName = propertyCtrl.GetParent().GetParent().GetName()
909
910	status = self.model.configure(wName, cName, pName, curWidVal)
911	#leave the text box as it is if status is True
912	#if the configure operation failed, revert the text value to the value stored in
913	#the model.
914	if status is False:
915	msg = "Could not configure " + pName
916	utils.showMessage(msg, utils.NON_FATAL)
917	self.formatModelToWidget(propertyCtrl, preVal)
918
919	return
920	# if propertyCtrl.__class__ is wx.SpinCtrl:
921	# propertyCtrl.SetRange(newMin, newMax)
922	# if propertyCtrl.__class__ is wx.Slider:
923	# propertyCtrl.SetMin(newMin)
924	# propertyCtrl.SetMax(newMax)
925
926	def FindMenuInMenuBar(self, title):
927	pos = self.GetMenuBar().FindMenu(title)
928	return self.GetMenuBar().GetMenu(pos)
929
930	def getCurrentPanel(self):
931	return self.notebook.GetCurrentPage()
932
933	def replaceComponentPanel(self, wPanel, component):
934
935	# Find the component to be replaced from the children list of current
936	# active waveform panel. Replace the Old component panel in the waveform
937	# panel's sizer with the compnent panel created new and then destroy the
938	# old component panel
939	#
940	oldCPanel = wPanel.FindWindowByName(component.getName())
941	newCPanel = self.createComponentPanel(wPanel, component)
942	wSizer = wPanel.GetSizer()
943	wSizer.Replace(oldCPanel, newCPanel)
944
945	wSizer.Fit(wPanel)
946	wPanel.SetSizer(wSizer)
947	wSizer.Layout()
948	oldCPanel.Destroy()
949
950	def OnRefresh(self, event):
951
952	self.controller.refresh()
953
954	def waveformRefresh(self, event):
955	wformsTobeRemoved = event.getSource()
956	wformMenu = self.FindMenuInMenuBar('Waveforms')
957
958	for wformName in wformsTobeRemoved:
959	wPanel = self.getWaveformPanel(wformName)
960	self.wpanels.remove(wPanel)
961	self.compPopupMenus.pop(wPanel)
962	self.prpPopupMenus.pop(wPanel)
963	wPanel.Destroy()
964
965	#update the menu display
966	menuItems = wformMenu.GetMenuItems()
967
968	#remove the selected waveform from the menu list
969	for mItem in menuItems:
970	if mItem.GetItemLabel() == wformName :
971	wformMenu.RemoveItem(mItem)
972	mItem.Destroy()
973	break
974
975	for wPanel in self.wpanels:
976	cPanelList = wPanel.GetChildren()
977	wformRef = self.model.getWaveform(wPanel.GetName(), WaveformModel.INSTANCE_WAVEFORM)
978	for cPanel in cPanelList:
979	compRef = wformRef.getComponent(cPanel.GetName())
980	prpList = compRef.getAllProperties()
981	prpWidgetList = cPanel.GetChildren()
982
983	for prpW in prpWidgetList:
984	if type(prpW) is wx.TextCtrl:
985	prpW.SetValue(str(compRef.findPropertyByName(prpW.GetName()).getValue()))
986	elif type(prpW) is wx.SpinCtrl:
987	prpW.SetValue(int(compRef.findPropertyByName(prpW.GetName()).getValue()))
988	elif type(prpW) is wx.Slider:
989	prpW.SetValue(int(compRef.findPropertyByName(prpW.GetName()).getValue()))
990
991	if (self.model.getActiveWaveform() is None):
992	nextActiveWform = None
993	#make the first available waveform active
994	menuItems = wformMenu.GetMenuItems()
995	for mItem in menuItems:
996	if mItem.IsCheckable():
997	mItem.Check()
998	nextActiveWform = mItem.GetItemLabel()
999	break
1000
1001	#no running waveforms on the system
1002	if nextActiveWform is None:
1003	self.SetSize(OSSIE_WAVEAPP_DIMENSION)
1004	return
1005	self.model.setActiveWaveform(nextActiveWform)
1006
1007	def getWaveformPanel(self, wformName):
1008	for wPanel in self.wpanels:
1009	if (wformName == wPanel.GetName()):
1010	return wPanel
1011
1012
1013	def OnOpenLayout(self, event):
1014	pass
1015	def OnSaveLayout(self, event):
1016	self.model.waveformToXML()
1017	pass
1018	def OnSaveLayoutAs(self, event):
1019	pass
1020	def OnExit(self, event):
1021	pass
1022	def OnWidgetSettings(self, event):
1023	pass
1024	def OnAbout(self, event):
1025	pass
1026

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