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object selection fix

This commit is contained in:
Arnar Flatberg 2006-04-19 18:50:10 +00:00
parent 56dac31529
commit 0eebd9436c
3 changed files with 12 additions and 12 deletions
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2
system/dataset.py
View File

@ -68,6 +68,8 @@ class Dataset:
def extract_id_from_index(self,dim_name,index):
"""Returns a set of ids from array/list of indexes."""
dim_ids = self.ids[dim_name]
if type(index)==int:
index = [index]
return set([id for id,ind in dim_ids.items() if ind in index])
def extract_index_from_id(self,dim_name,id):

10
system/plots.py
View File

@ -286,14 +286,14 @@ class ScatterPlot (Plot):
logger.log('debug','Selected:\n%s'%index)
ids = self.x_dataset.extract_id_from_index('samples',index)
#update selection object
self.c_p.set_selection(self.c_p.sel_obj,self.current_dim,ids)
self.c_p.set_selection(self.current_dim,ids)
logger.log('debug','Selected identifiers:\n%s'%ids)
def update_selection(self,project):
curr_sel = project.get_selection(self.c_p.sel_obj)
ids = curr_sel[self.current_dim]
index = self.x_dataset.extract_index_from_id(self.current_dim,ids)
xdata_new = scipy.take(self.xaxis_data,index)
curr_sel = project.get_selection() # get selection object
ids = curr_sel[self.current_dim] # current identifiers
index = self.x_dataset.extract_index_from_id(self.current_dim,ids) #conversion to index
xdata_new = scipy.take(self.xaxis_data,index) #take data
ydata_new = scipy.take(self.yaxis_data,index)
self.ax.plot(xdata_new,ydata_new,'or')
self.canvas.draw()

12
system/project.py
View File

@ -6,9 +6,9 @@ class Project:
self.name = name
self.dim_names = []
self._selection_observers = []
self.current_selection = {}
self.current_data=[]
self.datasets=[]
self.sel_obj = dataset.Selection()
def attach(self, observer):
"""Attach observer for selection updates"""
@ -28,16 +28,14 @@ class Project:
if modifier != observer:
observer.update_selection(self)
def set_selection(self,sel_obj,dim_name,selection):
def set_selection(self,dim_name,selection):
"""Sets selection and notifies observers"""
current_selection = set(selection)
sel_obj.current_selection[dim_name] = current_selection
self.current_selection[dim_name] = current_selection
self.sel_obj.current_selection[dim_name] = set(selection)
self.notify()
def get_selection(self,sel_obj):
def get_selection(self):
"""Returns the current selection object"""
return sel_obj.current_selection
return self.sel_obj.current_selection
def add_dataset(self,dataset):
"""Appends a new Dataset to the project."""