def compute(self):
""" compute() -> None
Use BatchDisplayCellEvent to display a serie of SVG files
"""
if self.hasInputFromPort("File"):
fileValue = self.getInputFromPort("File")
else:
fileValue = None
if fileValue:
batchDisplayEvent = BatchDisplayCellEvent()
# FIXME: Will this work? there should be no
# self.currentVersion in the module (there is a
# self.version)
batchDisplayEvent.vistrail = (self.vistrailName,
self.currentVersion)
f = open(fileValue.name, 'r')
for line in f.read().split('\n'):
comps = line.split('|')
if len(comps)==2:
e = DisplayCellEvent()
e.sheetReference = StandardSingleCellSheetReference()
e.sheetReference.sheetName = comps[1]
e.cellType = SVGCellWidget
F = File()
from os.path import abspath, basename, dirname
F.name = (dirname(abspath(fileValue.name))+
'/'+basename(comps[0]))
e.inputPorts = (F,)
batchDisplayEvent.displayEvents.append(e)
f.close()
spreadsheetController.postEventToSpreadsheet(batchDisplayEvent)
def run_figure(self, code_str, graphics_dev, width, height,
excluded_inputs=set(['source'])):
fname = self.interpreter.filePool.create_file(prefix='vtr', suffix='.' + graphics_dev)
r_temp_files.append(fname)
robjects.r[graphics_dev](file=fname, width=width, height=height)
self.run_code(code_str, use_input=True,
excluded_inputs=excluded_inputs)
robjects.r['dev.off']()
image_file = File()
image_file.name = fname
image_file.upToDate = True
self.setResult('imageFile', image_file)
def set_result(self, path):
persistent_path = File()
persistent_path.name = path
persistent_path.setResult('value', self)
persistent_path.upToDate = True
self.setResult("value", persistent_path)