2006-04-25 11:53:35 +02:00
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2006-04-18 16:25:46 +02:00
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import scipy
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2006-04-20 16:29:13 +02:00
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import gobject
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import gtk
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2006-04-25 11:53:35 +02:00
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from system import dataset, plots
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2006-04-17 00:57:50 +02:00
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class Project:
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def __init__(self,name="Testing"):
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2006-08-07 16:14:42 +02:00
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self.data_tree = gtk.TreeStore(gobject.TYPE_STRING, gobject.TYPE_STRING,
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gobject.TYPE_PYOBJECT, gobject.TYPE_STRING,
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gobject.TYPE_STRING, gobject.TYPE_DOUBLE)
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2006-04-20 16:29:13 +02:00
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2006-04-17 00:57:50 +02:00
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self.name = name
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self.dim_names = []
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2006-04-27 16:38:48 +02:00
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self._selection_observers = []
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self._dataset_observers = []
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2006-05-03 13:52:54 +02:00
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self.current_data = []
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2006-04-24 11:53:07 +02:00
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self.datasets = []
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2006-04-19 20:50:10 +02:00
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self.sel_obj = dataset.Selection()
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2006-04-17 00:57:50 +02:00
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2006-08-07 16:14:42 +02:00
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def add_selection_observer(self, observer):
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self._selection_observers.append(observer)
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observer.selection_changed(self.get_selection())
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def notify_selection_listeners(self, dim_name):
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"""Notifies observers"""
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for observer in self._selection_observers:
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observer.selection_changed(self.get_selection())
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2006-04-17 00:57:50 +02:00
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2006-08-07 16:14:42 +02:00
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def add_dataset_observer(self, observer):
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self._dataset_observers.append(observer)
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observer.dataset_changed()
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def notify_dataset_listeners(self):
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"""Notifies observers when new datasets are added"""
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for observer in self._dataset_observers:
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observer.dataset_changed()
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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_listeners(dim_name)
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2006-04-19 20:50:10 +02:00
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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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2006-04-24 16:52:21 +02:00
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def get_data_iter(self, obj):
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"""Retuns an iterator to data."""
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retval = [None]
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2006-08-27 16:12:37 +02:00
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if obj:
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# add data below first function data input
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obj=obj[0]
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2006-04-24 16:52:21 +02:00
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def is_obj(m, p, i, d):
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if obj == m.get_value(i, 2):
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d.append(i)
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return True
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self.data_tree.foreach(is_obj, retval)
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return retval[-1]
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2006-08-27 16:12:37 +02:00
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def add_data(self, parents, data, fun='Function'):
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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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2006-08-27 16:12:37 +02:00
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parent_iter = self.get_data_iter(parents)
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2006-04-27 17:51:25 +02:00
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it = self.data_tree_insert(parent_iter, fun, None, "grey","black")
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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(it, d.get_name(), d, "white", "blue")
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elif isinstance(d, plots.Plot):
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self.data_tree_insert(it, d.get_title(), d, "white", "dark green")
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d.set_selection_listener(self.set_selection)
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self._selection_observers.append(d)
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2006-04-20 16:29:13 +02:00
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2006-05-09 14:22:50 +02:00
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def data_tree_insert(self, parent, text, data, bgcolour,fontcolour,selected = 0):
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tree = self.data_tree
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it = tree.append(parent)
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tree.set_value(it, 0, text)
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tree.set_value(it, 1, type(data))
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tree.set_value(it, 2, data)
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tree.set_value(it, 3, bgcolour)
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tree.set_value(it, 4, fontcolour)
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tree.set_value(it, 5, selected)
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2006-04-24 17:20:27 +02:00
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return it
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2006-04-17 00:57:50 +02:00
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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.get_all_dims():
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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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2006-04-24 11:53:07 +02:00
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self.sel_obj.current_selection[dim_name] = set()
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2006-08-07 16:14:42 +02:00
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self.notify_dataset_listeners()
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2006-04-17 00:57:50 +02:00
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2006-04-20 16:29:13 +02:00
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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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2006-04-18 16:25:46 +02:00
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2006-04-21 11:23:05 +02:00
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def set_current_data(self, obj):
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self.current_data = obj
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2006-04-24 17:20:27 +02:00
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