92 lines
3.0 KiB
Python
92 lines
3.0 KiB
Python
import dataset
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import plots
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import scipy
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import gobject
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import gtk
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class Project:
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def __init__(self,name="Testing"):
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self.data_tree = gtk.TreeStore(gobject.TYPE_STRING,
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gobject.TYPE_STRING,
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gobject.TYPE_PYOBJECT)
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self.name = name
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self.dim_names = []
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self._observers = {}
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self.current_data=None
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self.datasets=[]
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self.sel_obj = dataset.Selection()
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def attach(self,observer,key):
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"""Attach observer for selection updates"""
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if not self._observers.has_key(key):
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self._observers[key]=[]
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if not observer in self._observers[key]:
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self._observers[key].append(observer)
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def detach(self,observer,key):
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"""Detach observer for selection updates"""
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try:
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self._observers[key].remove(observer)
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except ValueError:
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pass
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def notify(self,key,modifier=None):
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"""Notifies observers"""
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for observer in self._observers[key]:
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if modifier != observer:
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observer.update(self,key)
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def set_selection(self,dim_name,selection):
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"""Sets a current selection and notify observers"""
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self.sel_obj.current_selection[dim_name] = set(selection)
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self.notify('selection_update')
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def get_selection(self):
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"""Returns the current selection object"""
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return self.sel_obj.current_selection
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def add_data(self, parent, data):
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"""Adds a set of data and plots to the navigator.
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This method is usually called after a Function in a workflow
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has finished and returns its output."""
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for d in data:
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if isinstance(d, dataset.Dataset):
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self.add_dataset(d)
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self.data_tree_insert(None, d.get_name(), d)
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elif isinstance(d, plots.Plot):
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# self.add_view(d)
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self.data_tree_insert(None, 'view', d)
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def data_tree_insert(self, parent, text, data):
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tree = self.data_tree
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iter = tree.append(parent)
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tree.set_value(iter, 0, text)
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tree.set_value(iter, 1, type(data))
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tree.set_value(iter, 2, data)
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def add_dataset(self,dataset):
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"""Appends a new Dataset to the project."""
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self.datasets.append(dataset)
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for dim_name in dataset.ids.keys():
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if dim_name not in self.dim_names:
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self.dim_names.append(dim_name)
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def suggest_dim_name(self,dim_name):
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"""Creates an arbitrary unique name for a new dimension."""
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while dim_name in self.dim_names:
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dim_name = dim_name + "_t"
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return dim_name
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def object_at(self, path):
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"Returns the object at a given path in the tree."
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iter = self.get_iter(path)
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object = self.get_value(iter, 2)
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if object:
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object.show()
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return object
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def set_current_data(self, obj):
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self.current_data = obj
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