def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.set_title("Explore Inspector")
layout = QtGui.QVBoxLayout()
layout.setMargin(2)
layout.setSpacing(3)
self.controller = None
self.pe_properties = QParamExpProperties()
p_prop_group = QtGui.QGroupBox(self.pe_properties.windowTitle())
g_layout = QtGui.QVBoxLayout()
g_layout.setMargin(0)
g_layout.setSpacing(0)
g_layout.addWidget(self.pe_properties)
p_prop_group.setLayout(g_layout)
layout.addWidget(p_prop_group)
self.virtual_cell = QVirtualCellWindow()
v_cell_group = QtGui.QGroupBox(self.virtual_cell.windowTitle())
g_layout = QtGui.QVBoxLayout()
g_layout.setMargin(0)
g_layout.setSpacing(0)
g_layout.addWidget(self.virtual_cell)
v_cell_group.setLayout(g_layout)
layout.addWidget(v_cell_group)
self.setLayout(layout)
self.addButtonsToToolbar()
def __init__(self, parent=None):
""" QParameterExplorationTab(parent: QWidget)
-> QParameterExplorationTab
Make it a main window with dockable area and a
QParameterExplorationTable
"""
QDockContainer.__init__(self, parent)
self.setWindowTitle('Parameter Exploration')
self.toolWindow().setFeatures(QtGui.QDockWidget.NoDockWidgetFeatures)
self.toolWindow().hide()
self.peWidget = QParameterExplorationWidget()
self.setCentralWidget(self.peWidget)
self.connect(self.peWidget.table,
QtCore.SIGNAL('exploreChange(bool)'),
self.exploreChange)
self.paramView = QParameterView(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.paramView.toolWindow())
self.annotatedPipelineView = QAnnotatedPipelineView(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.annotatedPipelineView.toolWindow())
self.virtualCell = QVirtualCellWindow(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.virtualCell.toolWindow())
self.controller = None
self.currentVersion = -1
def __init__(self, parent=None):
""" QParameterExplorationTab(parent: QWidget)
-> QParameterExplorationTab
Make it a main window with dockable area and a
QParameterExplorationTable
"""
QDockContainer.__init__(self, parent)
self.setWindowTitle('Parameter Exploration')
self.toolWindow().setFeatures(QtGui.QDockWidget.NoDockWidgetFeatures)
self.toolWindow().hide()
self.peWidget = QParameterExplorationWidget()
self.setCentralWidget(self.peWidget)
self.connect(self.peWidget.table,
QtCore.SIGNAL('exploreChange(bool)'),
self.exploreChange)
self.paramView = QParameterView(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.paramView.toolWindow())
self.annotatedPipelineView = QAnnotatedPipelineView(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.annotatedPipelineView.toolWindow())
self.virtualCell = QVirtualCellWindow(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.virtualCell.toolWindow())
self.controller = None
self.currentVersion = -1
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.set_title("Explore Inspector")
layout = QtGui.QVBoxLayout()
layout.setMargin(2)
layout.setSpacing(3)
self.pe_properties = QParamExpProperties()
p_prop_group = QtGui.QGroupBox(self.pe_properties.windowTitle())
g_layout = QtGui.QVBoxLayout()
g_layout.setMargin(0)
g_layout.setSpacing(0)
g_layout.addWidget(self.pe_properties)
p_prop_group.setLayout(g_layout)
layout.addWidget(p_prop_group)
self.virtual_cell = QVirtualCellWindow()
v_cell_group = QtGui.QGroupBox(self.virtual_cell.windowTitle())
g_layout = QtGui.QVBoxLayout()
g_layout.setMargin(0)
g_layout.setSpacing(0)
g_layout.addWidget(self.virtual_cell)
v_cell_group.setLayout(g_layout)
layout.addWidget(v_cell_group)
self.setLayout(layout)
self.addButtonsToToolbar()
class QParameterExplorationTab(QDockContainer, QToolWindowInterface):
"""
QParameterExplorationTab is a tab containing different widgets
related to parameter exploration
"""
explorationId = 0
def __init__(self, parent=None):
""" QParameterExplorationTab(parent: QWidget)
-> QParameterExplorationTab
Make it a main window with dockable area and a
QParameterExplorationTable
"""
QDockContainer.__init__(self, parent)
self.setWindowTitle('Parameter Exploration')
self.toolWindow().setFeatures(QtGui.QDockWidget.NoDockWidgetFeatures)
self.toolWindow().hide()
self.peWidget = QParameterExplorationWidget()
self.setCentralWidget(self.peWidget)
self.connect(self.peWidget.table,
QtCore.SIGNAL('exploreChange(bool)'),
self.exploreChange)
self.paramView = QParameterView(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.paramView.toolWindow())
self.annotatedPipelineView = QAnnotatedPipelineView(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.annotatedPipelineView.toolWindow())
self.virtualCell = QVirtualCellWindow(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.virtualCell.toolWindow())
self.controller = None
self.currentVersion = -1
def addViewActionsToMenu(self, menu):
"""addViewActionsToMenu(menu: QMenu) -> None
Add toggle view actions to menu
"""
menu.addAction(self.paramView.toolWindow().toggleViewAction())
menu.addAction(self.annotatedPipelineView.toolWindow().toggleViewAction())
menu.addAction(self.virtualCell.toolWindow().toggleViewAction())
def removeViewActionsFromMenu(self, menu):
"""removeViewActionsFromMenu(menu: QMenu) -> None
Remove toggle view actions from menu
"""
menu.removeAction(self.paramView.toolWindow().toggleViewAction())
menu.removeAction(self.annotatedPipelineView.toolWindow().toggleViewAction())
menu.removeAction(self.virtualCell.toolWindow().toggleViewAction())
def setController(self, controller):
""" setController(controller: VistrailController) -> None
Assign a controller to the parameter exploration tab
"""
self.controller = controller
def getParameterExploration(self):
""" getParameterExploration() -> string
Generates an XML string that represents the current
parameter exploration, and which can be loaded with
setParameterExploration().
"""
# Construct xml for persisting parameter exploration
escape_dict = { "'":"'", '"':'"', '\n':'
' }
timestamp = strftime(current_time(), '%Y-%m-%d %H:%M:%S')
# TODO: For now, we use the timestamp as the 'name' - Later, we should set 'name' based on a UI input field
xml = '\t<paramexp dims="%s" layout="%s" date="%s" name="%s">' % (str(self.peWidget.table.label.getCounts()), str(self.virtualCell.getConfiguration()[2]), timestamp, timestamp)
for i in xrange(self.peWidget.table.layout().count()):
pEditor = self.peWidget.table.layout().itemAt(i).widget()
if pEditor and isinstance(pEditor, QParameterSetEditor):
firstParam = True
for paramWidget in pEditor.paramWidgets:
paramInfo = paramWidget.param
interpolator = paramWidget.editor.stackedEditors.currentWidget()
intType = interpolator.exploration_name
# Write function tag prior to the first parameter of the function
if firstParam:
xml += '\n\t\t<function id="%s" alias="%s" name="%s">' % (paramInfo.parent_id, paramInfo.is_alias, pEditor.info[0])
firstParam = False
# Write parameter tag
xml += '\n\t\t\t<param id="%s" dim="%s" interp="%s"' % (paramInfo.id, paramWidget.getDimension(), intType)
if intType == 'Linear Interpolation':
xml += ' min="%s" max="%s"' % (interpolator.fromEdit.get_value(), interpolator.toEdit.get_value())
elif intType == 'List':
xml += ' values="%s"' % escape(str(interpolator._str_values), escape_dict)
elif intType == 'User-defined Function':
xml += ' code="%s"' % escape(interpolator.function, escape_dict)
xml += '/>'
xml += '\n\t\t</function>'
xml += '\n\t</paramexp>'
return xml
def setParameterExploration(self, xmlString):
""" setParameterExploration(xmlString: string) -> None
Sets the current parameter exploration to the one
defined by 'xmlString'.
"""
if not xmlString:
return
# Parse/validate the xml
try:
xmlDoc = parseString(xmlString).documentElement
except Exception:
debug.critical("Parameter Exploration load failed because of "
"invalid XML:\n\n%s" % xmlString)
return
# Set the exploration dimensions
dims = literal_eval(xmlDoc.attributes['dims'].value)
self.peWidget.table.label.setCounts(dims)
# Set the virtual cell layout
layout = literal_eval(xmlDoc.attributes['layout'].value)
self.virtualCell.setConfiguration(layout)
# Populate parameter exploration window with stored functions and aliases
for f in xmlDoc.getElementsByTagName('function'):
# Retrieve function attributes
f_id = long(f.attributes['id'].value)
f_name = str(f.attributes['name'].value)
f_is_alias = (str(f.attributes['alias'].value) == 'True')
# Search the parameter treeWidget for this function and add it directly
newEditor = None
for tidx in xrange(self.paramView.treeWidget.topLevelItemCount()):
moduleItem = self.paramView.treeWidget.topLevelItem(tidx)
for cidx in xrange(moduleItem.childCount()):
paramInfo = moduleItem.child(cidx).parameter
name, params = paramInfo
if params[0].parent_id == f_id and params[0].is_alias == f_is_alias:
newEditor = self.peWidget.table.addParameter(paramInfo)
# Retrieve params for this function and set their values in the UI
if newEditor:
for p in f.getElementsByTagName('param'):
# Locate the param in the newly added param editor and set values
p_id = long(p.attributes['id'].value)
for paramWidget in newEditor.paramWidgets:
if paramWidget.param.id == p_id:
# Set Parameter Dimension (radio button)
p_dim = int(p.attributes['dim'].value)
paramWidget.setDimension(p_dim)
# Set Interpolator Type (dropdown list)
p_intType = str(p.attributes['interp'].value)
paramWidget.editor.selectInterpolator(p_intType)
# Set Interpolator Value(s)
interpolator = paramWidget.editor.stackedEditors.currentWidget()
if p_intType == 'Linear Interpolation':
# Set min/max
p_min = str(p.attributes['min'].value)
p_max = str(p.attributes['max'].value)
interpolator.fromEdit.setText(p_min)
interpolator.toEdit.setText(p_max)
elif p_intType == 'List':
p_values = str(p.attributes['values'].value)
# Set internal list structure
interpolator._str_values = \
literal_eval(p_values)
# Update UI list
if interpolator.type == 'String':
interpolator.listValues.setText(p_values)
else:
interpolator.listValues.setText(p_values.replace("'", "").replace('"', ''))
elif p_intType == 'User-defined Function':
# Set function code
p_code = str(p.attributes['code'].value)
interpolator.function = p_code
def showEvent(self, event):
""" showEvent(event: QShowEvent) -> None
Update the tab when it is shown
"""
if self.currentVersion!=self.controller.current_version:
self.currentVersion = self.controller.current_version
# Update the virtual cell
pipeline = self.controller.current_pipeline
self.virtualCell.updateVirtualCell(pipeline)
# Now we need to inspect the parameter list
self.paramView.treeWidget.updateFromPipeline(pipeline)
# Update the annotated ids
self.annotatedPipelineView.updateAnnotatedIds(pipeline)
# Update the parameter exploration table
self.peWidget.updatePipeline(pipeline)
# Update the UI with the most recent parameter exploration
# TODO: For now, we just strip the root tags since there's only one
# exploration - Later we should parse the root tree and select
# the active exploration based on date, or user choice
xmlString = self.controller.vistrail.get_paramexp(self.currentVersion)
if xmlString is not None:
striplen = len("<paramexps>")
xmlString = xmlString[striplen:-(striplen+1)].strip()
self.setParameterExploration(xmlString)
def performParameterExploration(self):
""" performParameterExploration() -> None
Perform the exploration by collecting a list of actions
corresponding to each dimension
"""
registry = get_module_registry()
actions = self.peWidget.table.collectParameterActions()
spreadsheet_pkg = '%s.spreadsheet' % get_vistrails_default_pkg_prefix()
# Set the annotation to persist the parameter exploration
# TODO: For now, we just replace the existing exploration - Later we should append them.
xmlString = "<paramexps>\n" + self.getParameterExploration() + "\n</paramexps>"
self.controller.vistrail.set_paramexp(self.currentVersion, xmlString)
self.controller.set_changed(True)
if self.controller.current_pipeline and actions:
explorer = ActionBasedParameterExploration()
(pipelines, performedActions) = explorer.explore(
self.controller.current_pipeline, actions)
dim = [max(1, len(a)) for a in actions]
if (registry.has_module(spreadsheet_pkg, 'CellLocation') and
registry.has_module(spreadsheet_pkg, 'SheetReference')):
modifiedPipelines = self.virtualCell.positionPipelines(
'PE#%d %s' % (QParameterExplorationTab.explorationId,
self.controller.name),
dim[2], dim[1], dim[0], pipelines, self.controller)
else:
modifiedPipelines = pipelines
mCount = []
for p in modifiedPipelines:
if len(mCount)==0:
mCount.append(0)
else:
mCount.append(len(p.modules)+mCount[len(mCount)-1])
# Now execute the pipelines
totalProgress = sum([len(p.modules) for p in modifiedPipelines])
progress = QtGui.QProgressDialog('Performing Parameter '
'Exploration...',
'&Cancel',
0, totalProgress)
progress.setWindowTitle('Parameter Exploration')
progress.setWindowModality(QtCore.Qt.WindowModal)
progress.show()
QParameterExplorationTab.explorationId += 1
interpreter = get_default_interpreter()
for pi in xrange(len(modifiedPipelines)):
progress.setValue(mCount[pi])
QtCore.QCoreApplication.processEvents()
if progress.wasCanceled():
break
def moduleExecuted(objId):
if not progress.wasCanceled():
#progress.setValue(progress.value()+1)
#the call above was crashing when used by multithreaded
#code, replacing with the call below (thanks to Terence
#for submitting this fix).
QtCore.QMetaObject.invokeMethod(progress, "setValue",
QtCore.Q_ARG(int,progress.value()+1))
QtCore.QCoreApplication.processEvents()
kwargs = {'locator': self.controller.locator,
'current_version': self.controller.current_version,
'view': self.controller.current_pipeline_scene,
'module_executed_hook': [moduleExecuted],
'reason': 'Parameter Exploration',
'actions': performedActions[pi],
}
interpreter.execute(modifiedPipelines[pi], **kwargs)
progress.setValue(totalProgress)
def exploreChange(self, notEmpty):
""" exploreChange(notEmpty: bool) -> None
echo the signal
"""
self.emit(QtCore.SIGNAL('exploreChange(bool)'), notEmpty)
class QParamExploreInspector(QtGui.QWidget, QVistrailsPaletteInterface):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.set_title("Explore Inspector")
layout = QtGui.QVBoxLayout()
layout.setMargin(2)
layout.setSpacing(3)
self.pe_properties = QParamExpProperties()
p_prop_group = QtGui.QGroupBox(self.pe_properties.windowTitle())
g_layout = QtGui.QVBoxLayout()
g_layout.setMargin(0)
g_layout.setSpacing(0)
g_layout.addWidget(self.pe_properties)
p_prop_group.setLayout(g_layout)
layout.addWidget(p_prop_group)
self.virtual_cell = QVirtualCellWindow()
v_cell_group = QtGui.QGroupBox(self.virtual_cell.windowTitle())
g_layout = QtGui.QVBoxLayout()
g_layout.setMargin(0)
g_layout.setSpacing(0)
g_layout.addWidget(self.virtual_cell)
v_cell_group.setLayout(g_layout)
layout.addWidget(v_cell_group)
self.setLayout(layout)
self.addButtonsToToolbar()
def addButtonsToToolbar(self):
# Add the back/forward exploration buttons
self.versionsLabel = QtGui.QLabel('Exploration: 0/0')
self.toolWindow().toolbar.insertWidget(self.toolWindow().pinAction,
self.versionsLabel)
self.pe_properties.versionsLabel = weakref.proxy(self.versionsLabel)
self.backAction = QtGui.QAction(
QtGui.QIcon(CurrentTheme.LEFT_ARROW_PIXMAP),
'Go to Previous Exploration', None, triggered=self.backPressed)
self.toolWindow().toolbar.insertAction(self.toolWindow().pinAction,
self.backAction)
self.pe_properties.backAction = weakref.proxy(self.backAction)
self.forwardAction = QtGui.QAction(
QtGui.QIcon(CurrentTheme.RIGHT_ARROW_PIXMAP),
'Got to Next Exploration', None, triggered=self.forwardPressed)
self.toolWindow().toolbar.insertAction(self.toolWindow().pinAction,
self.forwardAction)
self.pe_properties.forwardAction = weakref.proxy(self.forwardAction)
def set_controller(self, controller):
self.controller = controller
self.pe_properties.updateController(controller)
if self.controller is not None:
self.set_pipeline(self.controller.current_pipeline)
else:
self.set_pipeline(None)
def set_pipeline(self, pipeline):
self.pipeline = pipeline
self.virtual_cell.updateVirtualCell(pipeline)
self.stateChanged()
def stateChanged(self):
self.pe_properties.updateVersion()
def set_exploration(self, pe = None):
self.stateChanged()
def backPressed(self):
self.pe_properties.goBack()
def forwardPressed(self):
self.pe_properties.goForward()
class QParamExploreInspector(QtGui.QWidget, QVistrailsPaletteInterface):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.set_title("Explore Inspector")
layout = QtGui.QVBoxLayout()
layout.setMargin(2)
layout.setSpacing(3)
self.controller = None
self.pe_properties = QParamExpProperties()
p_prop_group = QtGui.QGroupBox(self.pe_properties.windowTitle())
g_layout = QtGui.QVBoxLayout()
g_layout.setMargin(0)
g_layout.setSpacing(0)
g_layout.addWidget(self.pe_properties)
p_prop_group.setLayout(g_layout)
layout.addWidget(p_prop_group)
self.virtual_cell = QVirtualCellWindow()
v_cell_group = QtGui.QGroupBox(self.virtual_cell.windowTitle())
g_layout = QtGui.QVBoxLayout()
g_layout.setMargin(0)
g_layout.setSpacing(0)
g_layout.addWidget(self.virtual_cell)
v_cell_group.setLayout(g_layout)
layout.addWidget(v_cell_group)
self.setLayout(layout)
self.addButtonsToToolbar()
def addButtonsToToolbar(self):
# Add the back/forward exploration buttons
self.versionsLabel = QtGui.QLabel('Exploration: 0/0')
self.toolWindow().toolbar.insertWidget(self.toolWindow().pinAction,
self.versionsLabel)
self.pe_properties.versionsLabel = weakref.proxy(self.versionsLabel)
self.backAction = QtGui.QAction(
QtGui.QIcon(CurrentTheme.LEFT_ARROW_PIXMAP),
'Go to Previous Exploration', None, triggered=self.backPressed)
self.toolWindow().toolbar.insertAction(self.toolWindow().pinAction,
self.backAction)
self.pe_properties.backAction = weakref.proxy(self.backAction)
self.forwardAction = QtGui.QAction(
QtGui.QIcon(CurrentTheme.RIGHT_ARROW_PIXMAP),
'Got to Next Exploration', None, triggered=self.forwardPressed)
self.toolWindow().toolbar.insertAction(self.toolWindow().pinAction,
self.forwardAction)
self.pe_properties.forwardAction = weakref.proxy(self.forwardAction)
def set_controller(self, controller):
if self.controller == controller:
return
self.controller = controller
self.pe_properties.updateController(controller)
if self.controller is not None:
self.set_pipeline(self.controller.current_pipeline)
else:
self.set_pipeline(None)
def set_pipeline(self, pipeline):
self.pipeline = pipeline
self.virtual_cell.updateVirtualCell(pipeline)
self.stateChanged()
def stateChanged(self):
self.pe_properties.updateVersion()
def backPressed(self):
self.pe_properties.goBack()
def forwardPressed(self):
self.pe_properties.goForward()
class QParameterExplorationTab(QDockContainer, QToolWindowInterface):
"""
QParameterExplorationTab is a tab containing different widgets
related to parameter exploration
"""
explorationId = 0
def __init__(self, parent=None):
""" QParameterExplorationTab(parent: QWidget)
-> QParameterExplorationTab
Make it a main window with dockable area and a
QParameterExplorationTable
"""
QDockContainer.__init__(self, parent)
self.setWindowTitle('Parameter Exploration')
self.toolWindow().setFeatures(QtGui.QDockWidget.NoDockWidgetFeatures)
self.toolWindow().hide()
self.peWidget = QParameterExplorationWidget()
self.setCentralWidget(self.peWidget)
self.connect(self.peWidget.table,
QtCore.SIGNAL('exploreChange(bool)'),
self.exploreChange)
self.paramView = QParameterView(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.paramView.toolWindow())
self.annotatedPipelineView = QAnnotatedPipelineView(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.annotatedPipelineView.toolWindow())
self.virtualCell = QVirtualCellWindow(self)
self.addDockWidget(QtCore.Qt.RightDockWidgetArea,
self.virtualCell.toolWindow())
self.controller = None
self.currentVersion = -1
def addViewActionsToMenu(self, menu):
"""addViewActionsToMenu(menu: QMenu) -> None
Add toggle view actions to menu
"""
menu.addAction(self.paramView.toolWindow().toggleViewAction())
menu.addAction(self.annotatedPipelineView.toolWindow().toggleViewAction())
menu.addAction(self.virtualCell.toolWindow().toggleViewAction())
def removeViewActionsFromMenu(self, menu):
"""removeViewActionsFromMenu(menu: QMenu) -> None
Remove toggle view actions from menu
"""
menu.removeAction(self.paramView.toolWindow().toggleViewAction())
menu.removeAction(self.annotatedPipelineView.toolWindow().toggleViewAction())
menu.removeAction(self.virtualCell.toolWindow().toggleViewAction())
def setController(self, controller):
""" setController(controller: VistrailController) -> None
Assign a controller to the parameter exploration tab
"""
self.controller = controller
def getParameterExploration(self):
""" getParameterExploration() -> string
Generates an XML string that represents the current
parameter exploration, and which can be loaded with
setParameterExploration().
"""
# Construct xml for persisting parameter exploration
escape_dict = { "'":"'", '"':'"', '\n':'
' }
timestamp = strftime(current_time(), '%Y-%m-%d %H:%M:%S')
# TODO: For now, we use the timestamp as the 'name' - Later, we should set 'name' based on a UI input field
xml = '\t<paramexp dims="%s" layout="%s" date="%s" name="%s">' % (str(self.peWidget.table.label.getCounts()), str(self.virtualCell.getConfiguration()[2]), timestamp, timestamp)
for i in xrange(self.peWidget.table.layout().count()):
pEditor = self.peWidget.table.layout().itemAt(i).widget()
if pEditor and isinstance(pEditor, QParameterSetEditor):
firstParam = True
for paramWidget in pEditor.paramWidgets:
paramInfo = paramWidget.param
interpolator = paramWidget.editor.stackedEditors.currentWidget()
intType = interpolator.exploration_name
# Write function tag prior to the first parameter of the function
if firstParam:
xml += '\n\t\t<function id="%s" alias="%s" name="%s">' % (paramInfo.parent_id, paramInfo.is_alias, pEditor.info[0])
firstParam = False
# Write parameter tag
xml += '\n\t\t\t<param id="%s" dim="%s" interp="%s"' % (paramInfo.id, paramWidget.getDimension(), intType)
if intType == 'Linear Interpolation':
xml += ' min="%s" max="%s"' % (interpolator.fromEdit.get_value(), interpolator.toEdit.get_value())
elif intType == 'List':
xml += ' values="%s"' % escape(str(interpolator._str_values), escape_dict)
elif intType == 'User-defined Function':
xml += ' code="%s"' % escape(interpolator.function, escape_dict)
xml += '/>'
xml += '\n\t\t</function>'
xml += '\n\t</paramexp>'
return xml
def setParameterExploration(self, xmlString):
""" setParameterExploration(xmlString: string) -> None
Sets the current parameter exploration to the one
defined by 'xmlString'.
"""
if not xmlString:
return
# Parse/validate the xml
try:
xmlDoc = parseString(xmlString).documentElement
except Exception:
debug.critical("Parameter Exploration load failed because of "
"invalid XML:\n\n%s" % xmlString)
return
# Set the exploration dimensions
dims = literal_eval(xmlDoc.attributes['dims'].value)
self.peWidget.table.label.setCounts(dims)
# Set the virtual cell layout
layout = literal_eval(xmlDoc.attributes['layout'].value)
self.virtualCell.setConfiguration(layout)
# Populate parameter exploration window with stored functions and aliases
for f in xmlDoc.getElementsByTagName('function'):
# Retrieve function attributes
f_id = long(f.attributes['id'].value)
f_is_alias = (str(f.attributes['alias'].value) == 'True')
# Search the parameter treeWidget for this function and add it directly
newEditor = None
for tidx in xrange(self.paramView.treeWidget.topLevelItemCount()):
moduleItem = self.paramView.treeWidget.topLevelItem(tidx)
for cidx in xrange(moduleItem.childCount()):
paramInfo = moduleItem.child(cidx).parameter
name, params = paramInfo
if params[0].parent_id == f_id and params[0].is_alias == f_is_alias:
newEditor = self.peWidget.table.addParameter(paramInfo)
# Retrieve params for this function and set their values in the UI
if newEditor:
for p in f.getElementsByTagName('param'):
# Locate the param in the newly added param editor and set values
p_id = long(p.attributes['id'].value)
for paramWidget in newEditor.paramWidgets:
if paramWidget.param.id == p_id:
# Set Parameter Dimension (radio button)
p_dim = int(p.attributes['dim'].value)
paramWidget.setDimension(p_dim)
# Set Interpolator Type (dropdown list)
p_intType = str(p.attributes['interp'].value)
paramWidget.editor.selectInterpolator(p_intType)
# Set Interpolator Value(s)
interpolator = paramWidget.editor.stackedEditors.currentWidget()
if p_intType == 'Linear Interpolation':
# Set min/max
p_min = str(p.attributes['min'].value)
p_max = str(p.attributes['max'].value)
interpolator.fromEdit.setText(p_min)
interpolator.toEdit.setText(p_max)
elif p_intType == 'List':
p_values = str(p.attributes['values'].value)
# Set internal list structure
interpolator._str_values = \
literal_eval(p_values)
# Update UI list
if interpolator.type == 'String':
interpolator.listValues.setText(p_values)
else:
interpolator.listValues.setText(p_values.replace("'", "").replace('"', ''))
elif p_intType == 'User-defined Function':
# Set function code
p_code = str(p.attributes['code'].value)
interpolator.function = p_code
def showEvent(self, event):
""" showEvent(event: QShowEvent) -> None
Update the tab when it is shown
"""
if self.currentVersion!=self.controller.current_version:
self.currentVersion = self.controller.current_version
# Update the virtual cell
pipeline = self.controller.current_pipeline
self.virtualCell.updateVirtualCell(pipeline)
# Now we need to inspect the parameter list
self.paramView.treeWidget.updateFromPipeline(pipeline)
# Update the annotated ids
self.annotatedPipelineView.updateAnnotatedIds(pipeline)
# Update the parameter exploration table
self.peWidget.updatePipeline(pipeline)
# Update the UI with the most recent parameter exploration
# TODO: For now, we just strip the root tags since there's only one
# exploration - Later we should parse the root tree and select
# the active exploration based on date, or user choice
xmlString = self.controller.vistrail.get_paramexp(self.currentVersion)
if xmlString is not None:
striplen = len("<paramexps>")
xmlString = xmlString[striplen:-(striplen+1)].strip()
self.setParameterExploration(xmlString)
def performParameterExploration(self):
""" performParameterExploration() -> None
Perform the exploration by collecting a list of actions
corresponding to each dimension
"""
registry = get_module_registry()
actions = self.peWidget.table.collectParameterActions()
spreadsheet_pkg = 'org.vistrails.vistrails.spreadsheet'
# Set the annotation to persist the parameter exploration
# TODO: For now, we just replace the existing exploration - Later we should append them.
xmlString = "<paramexps>\n" + self.getParameterExploration() + "\n</paramexps>"
self.controller.vistrail.set_paramexp(self.currentVersion, xmlString)
self.controller.set_changed(True)
if self.controller.current_pipeline and actions:
explorer = ActionBasedParameterExploration()
(pipelines, performedActions) = explorer.explore(
self.controller.current_pipeline, actions)
dim = [max(1, len(a)) for a in actions]
if (registry.has_module(spreadsheet_pkg, 'CellLocation') and
registry.has_module(spreadsheet_pkg, 'SheetReference')):
modifiedPipelines = self.virtualCell.positionPipelines(
'PE#%d %s' % (QParameterExplorationTab.explorationId,
self.controller.name),
dim[2], dim[1], dim[0], pipelines, self.controller)
else:
modifiedPipelines = pipelines
mCount = []
for p in modifiedPipelines:
if len(mCount)==0:
mCount.append(0)
else:
mCount.append(len(p.modules)+mCount[len(mCount)-1])
# Now execute the pipelines
totalProgress = sum([len(p.modules) for p in modifiedPipelines])
progress = QtGui.QProgressDialog('Performing Parameter '
'Exploration...',
'&Cancel',
0, totalProgress)
progress.setWindowTitle('Parameter Exploration')
progress.setWindowModality(QtCore.Qt.WindowModal)
progress.show()
QParameterExplorationTab.explorationId += 1
interpreter = get_default_interpreter()
for pi in xrange(len(modifiedPipelines)):
progress.setValue(mCount[pi])
QtCore.QCoreApplication.processEvents()
if progress.wasCanceled():
break
def moduleExecuted(objId):
if not progress.wasCanceled():
#progress.setValue(progress.value()+1)
#the call above was crashing when used by multithreaded
#code, replacing with the call below (thanks to Terence
#for submitting this fix).
QtCore.QMetaObject.invokeMethod(progress, "setValue",
QtCore.Q_ARG(int,progress.value()+1))
QtCore.QCoreApplication.processEvents()
kwargs = {'locator': self.controller.locator,
'current_version': self.controller.current_version,
'view': self.controller.current_pipeline_scene,
'module_executed_hook': [moduleExecuted],
'reason': 'Parameter Exploration',
'actions': performedActions[pi],
}
interpreter.execute(modifiedPipelines[pi], **kwargs)
progress.setValue(totalProgress)
def exploreChange(self, notEmpty):
""" exploreChange(notEmpty: bool) -> None
echo the signal
"""
self.emit(QtCore.SIGNAL('exploreChange(bool)'), notEmpty)
