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laydi/fluents/selections.py

480 lines
16 KiB
Python

import pygtk
import gtk
import gtk.gdk
import gtk.glade
import gnome
import gnome.ui
import gobject
import logger, dataset
import annotations
from lib import hypergeom
class SimpleMenu(gtk.Menu):
def __init__(self):
gtk.Menu.__init__(self)
def add_simple_item(self, title, function):
item = gtk.MenuItem(title)
item.connect('activate', function)
self.append(item)
item.show()
class IdListController:
"""Controller class for the identifier list."""
def __init__(self, idlist):
self._idlist = idlist
# dimname: current_annotation_name
self._annotation = {}
# current dimension
self._dimension = None
# id, annotation
self._idstore = gtk.ListStore(gobject.TYPE_STRING,
gobject.TYPE_STRING,)
# Annotation tree column
self._annotation_column = None
## Set up identifier list
idlist.set_model(self._idstore)
renderer = gtk.CellRendererText()
dim_column = gtk.TreeViewColumn('Identifiers', renderer, text=0)
idlist.insert_column(dim_column, 0)
idlist.connect('button-press-event', self._button_pressed)
## Set up identifier list context menu
menu = self._menu = SimpleMenu()
menu.add_simple_item('Import...', self._on_import_list)
menu.add_simple_item('Export...', self._on_export_list)
item = gtk.MenuItem('Show annotations')
menu.append(item)
item.show()
self._menu_ann = item
##
## Public interface
##
def set_dimension(self, dimname):
"""Set dimension"""
if dimname == self._dimension:
return
self.set_annotation(self._annotation.get(dimname, None))
if not self._annotation.has_key(dimname):
self._annotation[dimname] = None
self._dimension = dimname
def set_annotation(self, annotation):
"""Set the displayed annotation to annotation. If annotation is None,
the annotation column is hidden. Otherwise the annotation column is
shown and filled with values from the given annotation field."""
if annotation == None:
if self._annotation_column != None:
self._idlist.remove_column(self._annotation_column)
self._annotation_column = None
else:
idlist = [x[0] for x in self._idstore]
annlist = annotations.get_dim_annotations(self._dimension,
annotation,
idlist)
for i, x in enumerate(self._idstore):
x[1] = annlist[i]
if self._annotation_column == None:
renderer = gtk.CellRendererText()
col = gtk.TreeViewColumn(annotation, renderer, text=1)
self._idlist.append_column(col)
self._annotation_column = col
self._annotation_column.set_title(annotation)
self._annotation[self._dimension] = annotation
def set_selection(self, selection):
"""Set the selection to be displayed.
The selection is not stored, the values are copied into the TreeStore"""
self._idstore.clear()
id_list = list(selection[self._dimension])
idlist = list(selection[self._dimension])
if self._annotation[self._dimension] != None:
annlist = annotations.get_dim_annotations(self._dimension,
self._annotation[self._dimension],
idlist)
for id, ann in zip(idlist, annlist):
self._idstore.append((id, ann))
else:
for e in idlist:
self._idstore.append((e, None))
##
## Private interface
##
def _update_annotations_menu(self):
"""Updates the annotations menu with the available annotations for the
current dim."""
dim_h = annotations.get_dim_handler(self._dimension)
if not dim_h:
self._menu_ann.set_sensitive(False)
else:
annotations_menu = gtk.Menu()
self._menu_ann.set_sensitive(True)
dh = annotations.get_dim_handler(self._dimension)
ann_names = dh.get_annotation_names()
for ann in ann_names:
item = gtk.MenuItem(ann)
item.connect('activate', self._on_annotation_activated, ann)
annotations_menu.append(item)
item.show()
self._menu_ann.set_submenu(annotations_menu)
##
## GTK Callbacks
##
def _popup_menu(self, *rest):
self._update_annotations_menu()
self._menu.popup(None, None, None, 0, 0)
def _on_annotation_activated(self, menuitem, annotation):
self.set_annotation(annotation)
def _button_pressed(self, widget, event):
if event.button == 3:
self._update_annotations_menu()
self._menu.popup(None, None, None, event.button, event.time)
def _on_export_list(self, menuitem):
print "export stuff"
def _on_import_list(self, menuitem):
dialog = gtk.FileChooserDialog('Load annotations')
dialog.set_action(gtk.FILE_CHOOSER_ACTION_OPEN)
dialog.add_buttons(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OPEN, gtk.RESPONSE_OK)
dialog.set_select_multiple(True)
retval = dialog.run()
if retval in [gtk.RESPONSE_CANCEL, gtk.RESPONSE_DELETE_EVENT]:
pass
elif retval == gtk.RESPONSE_OK:
for filename in dialog.get_filenames():
annotations.read_annotations_file(filename)
else:
print "unknown; ", retval
dialog.destroy()
class SelectionListController:
def __init__(self, seltree, idlist_controller):
self._seltree = seltree
self._sel_stores = {}
self._dimension = None
self._idlist_controller = idlist_controller
# Selection renderers
renderer = gtk.CellRendererText()
sel_column = gtk.TreeViewColumn('Selection', renderer, text=0)
seltree.insert_column(sel_column, 0)
intersect_cs_col = gtk.TreeViewColumn('In curr.sel.', renderer, text=3)
seltree.insert_column(intersect_cs_col, 1)
n_all_col = gtk.TreeViewColumn('# All', renderer, text=4)
seltree.insert_column(n_all_col, 2)
rank_col = gtk.TreeViewColumn('Rank', renderer, text=5)
seltree.insert_column(rank_col, 3)
# Signals
seltree.connect('row-activated', self._on_row_activated)
seltree.connect('cursor-changed', self._on_cursor_changed)
seltree.connect('button-press-event', self._on_button_pressed)
seltree.drag_dest_set(gtk.DEST_DEFAULT_ALL,
[("GTK_TREE_MODEL_ROW", gtk.TARGET_SAME_APP, 7)],
gtk.gdk.ACTION_LINK)
seltree.connect('drag-data-received', self._drag_data_received)
# Selections context menu
self._seltree_menu = SimpleMenu()
self._seltree_menu.add_simple_item('Sort by selection', self._on_seltree_sort)
# self._seltree_menu.add_simple_item('Copy selection', self._on_seltree_copy_selection)
#
# Public interface
#
def set_project(self, project):
"""Dependency injection."""
self.project = project
project.add_selection_observer(self)
def set_dimlist_controller(self, dimlist_controller):
self._dimlist_controller = dimlist_controller
def set_dimension(self, dim):
self._ensure_selection_store(dim)
self._seltree.set_model(self._sel_stores[dim])
self._idlist_controller.set_dimension(dim)
self._dimension = dim
def selection_changed(self, dimname, selection):
"""Callback function from Project."""
for dim in selection.dims():
self._ensure_selection_store(dim)
store = self._sel_stores[dim]
if not self._get_current_selection_iter(selection, dim):
n = len(selection[dim])
values = (selection.title, selection, dim, n, n, 2)
store.insert_after(None, None, values)
def add_dataset(self, dataset):
dim_name = dataset.get_dim_name(0)
self._ensure_selection_store(dim_name)
store = self._sel_stores[dim_name]
di = self._get_dataset_iter(dataset)
if not di:
n_tot = dataset.shape[0]
selection = self.project.get_selection().get(dim_name)
ds_idents = dataset.get_identifiers(dim_name)
n_cs = len(selection.intersection(ds_idents))
values = (dataset.get_name(), dataset, dim_name, n_cs, n_tot, 2)
i = store.insert_after(None, None, values)
for selection in dataset.as_selections():
n_sel = len(selection[dim_name])
values = (selection.title, selection, dim_name, 0, n_sel, 0)
store.insert_after(i, None, values)
##
## Private interface
##
def _add_selection_store(self, dim):
"""Add a new gtk.TreeStore for the selections on a dimension."""
# Create new store
# Two types of lines, one for CategoryDatasets and one for
# Selections. The elements are title, link to dataset or selection,
# name of dimension, num. members in selection, num. in
# intersection with current selection and the rank of selection.
store = gtk.TreeStore(gobject.TYPE_STRING,
gobject.TYPE_PYOBJECT,
gobject.TYPE_STRING,
gobject.TYPE_INT,
gobject.TYPE_INT,
gobject.TYPE_FLOAT)
# Set selection store for this dimension
self._sel_stores[dim] = store
def _ensure_selection_store(self, dim):
"""Ensure that the object has a gtk.TreeStore for the given dimension"""
# Do not overwrite existing stores
if self._sel_stores.has_key(dim):
return
self._add_selection_store(dim)
def _get_dataset_iter(self, ds):
"""Returns the iterator to the selection tree row containing a
given dataset."""
store = self._sel_stores[ds.get_dim_name(0)]
i = store.get_iter_first()
while i:
if store.get_value(i, 1) == ds:
return i
i = store.iter_next(i)
return None
def _get_current_selection_iter(self, selection, dimension):
if not self._sel_stores.has_key(dimension):
return None
store = self._sel_stores[dimension]
i = store.get_iter_first()
while i:
if store.get_value(i, 1) == selection:
if store.get_value(i, 2) == dimension:
return i
i = store.iter_next(i)
return None
def _sort_selections(self, dataset):
"""Ranks selections by intersection with current selection.
Ranks determined by the hypergeometric distribution.
"""
dim_name = dataset.get_dim_name(0)
sel_store = self._sel_stores[dim_name]
selection_obj = self.project.get_selection()
current_selection = selection_obj.get(dim_name)
if current_selection==None: return
pvals = hypergeom.gene_hypergeo_test(current_selection, dataset)
for row in sel_store:
if row[1]==dataset:
for child in row.iterchildren():
name = child[0]
child[3] = pvals[name][0]
child[4] = pvals[name][1]
child[5] = pvals[name][2]
sel_store.set_sort_column_id(5, gtk.SORT_ASCENDING)
#
# GTK callbacks
#
def _drag_data_received(self, widget, drag_context, x, y,
selection, info, timestamp):
treestore, path = selection.tree_get_row_drag_data()
i = treestore.get_iter(path)
obj = treestore.get_value(i, 2)
if isinstance(obj, dataset.CategoryDataset):
self.add_dataset(obj)
self._dimlist_controller.set_dimension(obj.get_dim_name(0))
widget.emit_stop_by_name('drag-data-received')
def _on_cursor_changed(self, widget):
"Show the list of identifier strings."
store = self._sel_stores[self._dimension]
p = self._seltree.get_cursor()[0]
i = store.get_iter(p)
obj = store.get_value(i, 1)
if isinstance(obj, dataset.Selection):
self._idlist_controller.set_selection(obj)
def _on_row_activated(self, widget, path, column):
store = self._sel_stores[self._dimension]
i = store.get_iter(path)
obj = store.get_value(i, 1)
if isinstance(obj, dataset.Dataset):
seltree = self._seltree
if seltree.row_expanded(path):
seltree.collapse_row(path)
else:
seltree.expand_row(path, True)
elif isinstance(obj, dataset.Selection):
self.project.set_selection(self._dimension,
obj[self._dimension])
def _on_button_pressed(self, widget, event):
"""Button press callbak."""
if event.button == 3:
self._seltree_menu.popup(None, None, None, event.button, event.time)
def _on_seltree_sort(self, menuitem):
"""Sort selection tree if row is category dataset."""
store = self._sel_stores[self._dimension]
p = self._seltree.get_cursor()[0]
i = store.get_iter(p)
obj = store.get_value(i, 1)
if isinstance(obj, dataset.CategoryDataset):
self._sort_selections(obj)
class DimListController:
def __init__(self, dimlist, seltree_controller):
self._current_dim = None
self._seltree_controller = seltree_controller
## dimstore is a list of all dimensions in the application
self.dimstore = gtk.ListStore(gobject.TYPE_STRING)
## The widgets we are controlling
self.dimlist = dimlist
## Set up dimensions list
dimlist.set_model(self.dimstore)
renderer = gtk.CellRendererText()
dim_column = gtk.TreeViewColumn('Dimension', renderer, text=0)
dimlist.insert_column(dim_column, 0)
dimlist.connect('row-activated', self._dim_row_activated)
dimlist.connect('cursor-changed', self._dim_cursor_changed)
##
## Public interface
##
def set_project(self, project):
"""Dependency injection."""
self.project = project
self.dim_names = project.dim_names
self.update_dims()
project.add_dataset_observer(self)
def get_dimension(self, dim):
"""Returns the iterator to the dimension with the given name, or
None if not found."""
i = self.dimstore.get_iter_first()
while i:
if self.dimstore.get_value(i, 0) == dim:
return i
i = self.dimstore.iter_next(i)
return None
def set_dimension(self, dimname):
self._current_dim = dimname
dim = self.get_dimension(self._current_dim)
path = self.dimstore.get_path(dim)
if self.dimlist.get_cursor()[0] != path:
self.dimlist.set_cursor(self.dimstore.get_path(dim))
self._seltree_controller.set_dimension(dimname)
def dataset_changed(self):
"""Callback function from Project."""
self.update_dims()
##
## Private interface
##
def update_dims(self):
"""Update the list of dimensions shown"""
for dim in self.dim_names:
if not self.get_dimension(dim):
self.dimstore.insert_after(None, (dim,))
def _dimension_filter(self, store, row):
"""Filters out everything but the selected dimension."""
row_dim = store.get_value(row, 2)
return row_dim == self._current_dim
##
## GTK Callbacks.
##
def _dim_cursor_changed(self, widget):
cursor = self.dimlist.get_cursor()[0]
i = self.dimstore.get_iter(cursor)
row = self.dimstore.get_value(i, 0)
self.set_dimension(row)
def _dim_row_activated(self, widget, path, column):
self._seltree_controller.set_dimension(dim)