def update_plot(self):
'''
update the plot parameters to select the user's
preferences. also writes these to disk.
'''
# map the ui elements to the corresponding
# parameter names in the plot params list
ma_specs.add_plot_params(self)
# load things up in the R side
meta_py_r.load_vars_for_plot(self.img_params_path)
# update relevant variables (on the R side)
# with new values -- we also write the updated
# params out to disk here
meta_py_r.update_plot_params(self.current_param_vals, \
write_them_out=True, \
outpath="%s.params" % self.img_params_path)
# now re-generate the plot data on the R side of
# things
meta_py_r.regenerate_plot_data()
# finally, actually make the plot and spit it to disk
self.png_path = self.current_param_vals["fp_outpath"]
meta_py_r.generate_forest_plot(self.png_path)
#meta_py_r.write_out_plot_data("%s.plotdata" % self.img_params_path)
meta_py_r.write_out_plot_data("%s" % self.img_params_path)
def __init__(self, img_params_path, png_path, qpixmap_item, parent=None):
super(EditPlotWindow, self).__init__(parent)
self.setupUi(self)
# img_params is a string that is the variable
# name for the R object
self.img_params_path = img_params_path
print "parameters: %s" % self.img_params_path
# if we're unable to load the required R data files,
# e.g., because they were moved or deleted, then fail
self.params_d = meta_py_r.load_vars_for_plot(self.img_params_path, \
return_params_dict=True)
if not self.params_d:
print "can't load R data for plot editing!"
return None
# @TODO reflect current params in UI at launch
#self.populate_params()
self.set_ui_values()
# this is the QPixMap object that houses the
# plot image
self.pixmap_item = qpixmap_item
self.png_path = png_path
# the handle to the window in which
# the image is being displayed
self.results_window = parent
self.current_param_vals = {}
# get the button object
self.apply_button = self.buttonBox.button(QDialogButtonBox.Apply)
QObject.connect(self.apply_button, SIGNAL("clicked()"), self.regenerate_graph)
self.populate_params()
