Split selections.py into three different controller classes, one for each list. There
is still some work to be done, and bugs to be fixed.
This commit is contained in:
parent
a2195bcb4b
commit
2cc4e86b0a
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@ -152,9 +152,12 @@ class FluentApp:
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gtk.glade.set_custom_handler(self.custom_object_factory)
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self.widget_tree = gtk.glade.XML(GLADEFILENAME, 'appwindow')
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self.workflow = wf(self)
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self.dimlistcontroller = selections.DimListController(self['dim_list'],
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self['selection_tree'],
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self['identifier_list'])
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self.idlist_crt = selections.IdListController(self['identifier_list'])
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self.sellist_crt = selections.SelectionListController(self['selection_tree'],
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self.idlist_crt)
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self.dimlist_crt = selections.DimListController(self['dim_list'],
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self.sellist_crt)
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def init_gui(self):
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self['appwindow'].set_size_request(800, 600)
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@ -203,7 +206,7 @@ class FluentApp:
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project.project = proj
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self.workflow.add_project(proj)
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self.navigator_view.add_project(proj)
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self.dimlistcontroller.set_project(proj)
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self.dimlist_crt.set_project(proj)
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def set_workflow(self, workflow):
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self.workflow = workflow
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@ -21,244 +21,126 @@ class SimpleMenu(gtk.Menu):
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item.show()
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class DimListController:
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def __init__(self, dimlist, seltree, idlist):
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class IdListController:
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"""Controller class for the identifier list."""
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self._current_dim = None
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def __init__(self, idlist):
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self._idlist = idlist
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## dimstore is a list of all dimensions in the application
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self.dimstore = gtk.ListStore(gobject.TYPE_STRING)
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# dimname: current_annotation_name
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self._annotation = {}
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## Two types of lines, one for CategoryDatasets and one for
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## Selections. The elements are title, link to dataset or selection
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## and the name of the dimension.
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self.selstore = gtk.TreeStore(gobject.TYPE_STRING,
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gobject.TYPE_PYOBJECT,
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gobject.TYPE_STRING)
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self.selstore_filter = self.selstore.filter_new()
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self.selstore_filter.set_visible_func(self.dimension_filter)
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# current dimension
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self._dimension = None
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## idstore is a list of currently selected identifiers
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## the list is cleared and rebuilt each time a new selection is
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## focused.
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self.idstore = gtk.ListStore(gobject.TYPE_STRING)
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## The widgets we are controlling
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self.dimlist = dimlist
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self.seltree = seltree
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self.idlist = idlist
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## Set up dimensions list
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dimlist.set_model(self.dimstore)
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renderer = gtk.CellRendererText()
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dim_column = gtk.TreeViewColumn('Dimension', renderer, text=0)
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dimlist.insert_column(dim_column, 0)
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dimlist.connect('row-activated', self._dim_row_activated)
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dimlist.connect('cursor-changed', self._dim_cursor_changed)
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## Set up selection tree
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seltree.set_model(self.selstore_filter)
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renderer = gtk.CellRendererText()
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sel_column = gtk.TreeViewColumn('Selection', renderer, text=0)
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seltree.insert_column(sel_column, 0)
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seltree.connect('row-activated', self._sel_row_activated)
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seltree.connect('cursor-changed', self._sel_cursor_changed)
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seltree.drag_dest_set(gtk.DEST_DEFAULT_ALL,
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[("GTK_TREE_MODEL_ROW", gtk.TARGET_SAME_APP, 7)],
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gtk.gdk.ACTION_LINK)
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seltree.connect('drag-data-received', self._drag_data_received)
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# id, annotation
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self._idstore = gtk.ListStore(gobject.TYPE_STRING,
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gobject.TYPE_STRING,)
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## Set up identifier list
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idlist.set_model(self.idstore)
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idlist.set_model(self._idstore)
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renderer = gtk.CellRendererText()
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dim_column = gtk.TreeViewColumn('Identifiers', renderer, text=0)
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idlist.insert_column(dim_column, 0)
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idlist.connect('button-press-event', self._idlist_button_pressed)
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idlist.connect('button-press-event', self._button_pressed)
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## Set up identifier list context menu
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self._idlist_menu = SimpleMenu()
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self._idlist_menu.add_simple_item('Import...', self._on_idlist_import)
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self._idlist_menu.add_simple_item('Export...', self._on_idlist_export)
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menu = self._menu = SimpleMenu()
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menu.add_simple_item('Import...', self._on_import_list)
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menu.add_simple_item('Export...', self._on_export_list)
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i = gtk.MenuItem('Show annotations')
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self._idlist_menu.append(i)
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i.show()
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self._idlist_menu_ann = i
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def get_dataset_iter(self, dataset):
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"""Returns the iterator to the selection tree row containing a
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given dataset."""
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i = self.selstore.get_iter_first()
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while i:
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if self.selstore.get_value(i, 1) == dataset:
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return i
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i = self.selstore.iter_next(i)
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return None
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def get_current_selection_iter(self, selection, dimension):
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i = self.selstore.get_iter_first()
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while i:
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if self.selstore.get_value(i, 1) == selection:
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if self.selstore.get_value(i, 2) == dimension:
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return i
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i = self.selstore.iter_next(i)
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return None
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def set_project(self, project):
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"""Dependency injection."""
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self.project = project
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self.dim_names = project.dim_names
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self.update_dims()
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project.add_selection_observer(self)
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project.add_dataset_observer(self)
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def get_dimension(self, dim):
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"""Returns the iterator to the dimension with the given name, or
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None if not found."""
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i = self.dimstore.get_iter_first()
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while i:
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if self.dimstore.get_value(i, 0) == dim:
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return i
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i = self.dimstore.iter_next(i)
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return None
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def dimension_filter(self, store, row):
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"""Filters out everything but the selected dimension."""
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row_dim = store.get_value(row, 2)
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return row_dim == self._current_dim
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def update_dims(self):
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"""Update the list of dimensions shown"""
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for dim in self.dim_names:
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if not self.get_dimension(dim):
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self.dimstore.insert_after(None, (dim,))
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def add_dataset(self, dataset):
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di = self.get_dataset_iter(dataset)
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if not di:
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values = (dataset.get_name(), dataset, dataset.get_dim_name(0))
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i = self.selstore.insert_after(None, None, values)
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for selection in dataset.as_selections():
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values = (selection.title, selection, dataset.get_dim_name(0))
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self.selstore.insert_after(i, None, values)
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def selection_changed(self, dim_name, selection):
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"""Callback function from Project."""
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for dim in selection.dims():
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if not self.get_current_selection_iter(selection, dim):
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values = (selection.title, selection, dim)
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self.selstore.insert_after(None, None, values)
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self.update_dims()
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def dataset_changed(self):
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"""Callback function from Project."""
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self.update_dims()
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## GTK Callbacks.
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def _dim_cursor_changed(self, widget):
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cursor = self.dimlist.get_cursor()[0]
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i = self.dimstore.get_iter(cursor)
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row = self.dimstore.get_value(i, 0)
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self.set_dimension(row)
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def _dim_row_activated(self, widget, path, column):
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self.seltree.grab_focus()
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def _sel_cursor_changed(self, widget):
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"Show the list of identifier strings."
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p = self.seltree.get_cursor()[0]
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p = self.selstore_filter.convert_path_to_child_path(p)
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i = self.selstore.get_iter(p)
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obj = self.selstore.get_value(i, 1)
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id_list = []
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if isinstance(obj, dataset.Selection):
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id_list = list(obj[self._current_dim])
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id_list.sort()
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self.idstore.clear()
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for e in id_list:
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self.idstore.append((e,))
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def _sel_row_activated(self, widget, path, column):
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path = self.selstore_filter.convert_path_to_child_path(path)
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i = self.selstore.get_iter(path)
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obj = self.selstore.get_value(i, 1)
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if isinstance(obj, dataset.Dataset):
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seltree = self.seltree
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if seltree.row_expanded(path):
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seltree.collapse_row(path)
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else:
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seltree.expand_row(path, True)
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elif isinstance(obj, dataset.Selection):
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self.project.set_selection(self._current_dim,
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obj[self._current_dim])
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item = gtk.MenuItem('Show annotations')
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menu.append(item)
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item.show()
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self._menu_ann = item
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##
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## Public interface
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##
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def set_dimension(self, dimname):
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self._current_dim = dimname
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self.selstore_filter.refilter()
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"""Set dimension"""
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if dimname == self._dimension:
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return
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dim = self.get_dimension(self._current_dim)
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path = self.dimstore.get_path(dim)
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if not self._annotation.has_key(dimname):
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self._annotation[dimname] = None
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self._dimension = dimname
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if self.dimlist.get_cursor()[0] != path:
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self.dimlist.set_cursor(self.dimstore.get_path(dim))
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def set_annotation(self, annotation):
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"""Set the displayed annotation to annotation.
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If annotation is None, the annotation column is hidden. Otherwise the annotation
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column is shown and filled with values from the given annotation field."""
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def _drag_data_received(self, widget, drag_context, x, y,
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selection, info, timestamp):
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if annotation == self._annotation:
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return
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treestore, path = selection.tree_get_row_drag_data()
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i = treestore.get_iter(path)
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obj = treestore.get_value(i, 2)
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if isinstance(obj, dataset.CategoryDataset):
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self.add_dataset(obj)
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self.set_dimension(obj.get_dim_name(0))
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widget.emit_stop_by_name('drag-data-received')
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if self.annotation == None:
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self._idlist.remove_column(self._annotation_colum)
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else:
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for x in self._idstore:
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print "set annotation:", x
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def set_selection(self, selection):
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"""Set the selection to be displayed.
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The selection is not stored, the values are copied into the TreeStore"""
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self._idstore.clear()
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id_list = list(selection[self._dimension])
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idlist = list(selection[self._dimension])
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if self._annotation[self._dimension] != None:
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annlist = annotations.get_dim_annotations(self._dimension,
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self._annotation[self._dimension],
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idlist)
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for id, ann in zip(idlist, annlist):
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self._idstore.append((id, ann))
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else:
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for e in idlist:
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self._idstore.append((e, None))
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##
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## Private interface
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##
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def _update_annotations_menu(self):
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dim_h = annotations.get_dim_handler(self._current_dim)
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"""Updates the annotations menu with the available annotations for the
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current dim."""
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dim_h = annotations.get_dim_handler(self._dimension)
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if not dim_h:
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print "No annotations etc"
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self._idlist_menu_ann.set_sensitive(False)
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self._menu_ann.set_sensitive(False)
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else:
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annotations_menu = gtk.Menu()
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self._idlist_menu_ann.set_sensitive(True)
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ann_names = annotations.get_dim_handler(self._current_dim).get_annotation_names()
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self._menu_ann.set_sensitive(True)
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ann_names = annotations.get_dim_handler(self._dimension).get_annotation_names()
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for ann in ann_names:
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item = gtk.MenuItem(ann)
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item.connect('activate', self._on_annotation_activated, ann)
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annotations_menu.append(item)
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item.show()
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self._idlist_menu_ann.set_submenu(annotations_menu)
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self._menu_ann.set_submenu(annotations_menu)
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def _idlist_button_pressed(self, widget, event):
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if event.button == 3:
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self._update_annotations_menu()
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self._idlist_menu.popup(None, None, None, event.button, event.time)
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def _popup_idlist_menu(self, *rest):
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##
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## GTK Callbacks
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##
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def _popup_menu(self, *rest):
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self._update_annotations_menu()
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self._idlist_menu.popup(None, None, None, 0, 0)
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self._menu.popup(None, None, None, 0, 0)
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def _on_annotation_activated(self, menuitem, annotation):
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print "Congratulations. You chouse %s" % annotation
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self.set_annotation(annotation)
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def _on_idlist_export(self, menuitem):
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def _button_pressed(self, widget, event):
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if event.button == 3:
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self._update_annotations_menu()
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self._menu.popup(None, None, None, event.button, event.time)
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def _on_export_list(self, menuitem):
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print "export stuff"
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def _on_idlist_import(self, menuitem):
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def _on_import_list(self, menuitem):
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dialog = gtk.FileChooserDialog('Load annotations')
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dialog.set_action(gtk.FILE_CHOOSER_ACTION_OPEN)
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dialog.add_buttons(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
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@ -274,5 +156,238 @@ class DimListController:
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print "unknown; ", retval
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dialog.destroy()
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pass
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class SelectionListController:
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def __init__(self, seltree, idlist_controller):
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self._seltree = seltree
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self._sel_stores = {}
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self._dimension = None
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self._idlist_controller = idlist_controller
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renderer = gtk.CellRendererText()
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sel_column = gtk.TreeViewColumn('Selection', renderer, text=0)
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seltree.insert_column(sel_column, 0)
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seltree.connect('row-activated', self._on_row_activated)
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seltree.connect('cursor-changed', self._on_cursor_changed)
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seltree.drag_dest_set(gtk.DEST_DEFAULT_ALL,
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[("GTK_TREE_MODEL_ROW", gtk.TARGET_SAME_APP, 7)],
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gtk.gdk.ACTION_LINK)
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seltree.connect('drag-data-received', self._drag_data_received)
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##
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## Public interface
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##
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def set_dimension(self, dim):
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print "SelTreeController.set_dimension(%s)" % dim
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self._ensure_selection_store(dim)
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self._seltree.set_model(self._sel_stores[dim])
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self._idlist_controller.set_dimension(dim)
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self._dimension = dim
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def selection_changed(self, dimname, selection):
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"""Callback function from Project."""
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print "selection_changed"
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for dim in selection.dims():
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self._ensure_selection_store(dim)
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store = self._sel_stores[dim]
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if not self._get_current_selection_iter(selection, dim):
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print " inserting into store"
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values = (selection.title, selection, dim)
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store.insert_after(None, None, values)
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def add_dataset(self, dataset):
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store = self._sel_stores[dataset.get_dim_name(0)]
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di = self._get_dataset_iter(dataset)
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if not di:
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values = (dataset.get_name(), dataset, dataset.get_dim_name(0))
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i = store.insert_after(None, None, values)
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for selection in dataset.as_selections():
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values = (selection.title, selection, dataset.get_dim_name(0))
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store.insert_after(i, None, values)
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##
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## Private interface
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##
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def _add_selection_store(self, dim):
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"""Add a new gtk.TreeStore for the selections on a dimension."""
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# Create new store
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## Two types of lines, one for CategoryDatasets and one for
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## Selections. The elements are title, link to dataset or selection
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## and the name of the dimension.
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store = gtk.TreeStore(gobject.TYPE_STRING,
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gobject.TYPE_PYOBJECT,
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gobject.TYPE_STRING)
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# Set selection store for this dimension
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self._sel_stores[dim] = store
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def _ensure_selection_store(self, dim):
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"""Ensure that the object has a gtk.TreeStore for the given dimension"""
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# Do not overwrite existing stores
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if self._sel_stores.has_key(dim):
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return
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self._add_selection_store(dim)
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def _get_dataset_iter(self, ds):
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"""Returns the iterator to the selection tree row containing a
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given dataset."""
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store = self._sel_stores[ds.get_dim_name(0)]
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i = store.get_iter_first()
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while i:
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if store.get_value(i, 1) == ds:
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return i
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i = store.iter_next(i)
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return None
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def _get_current_selection_iter(self, selection, dimension):
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if not self._sel_stores.has_key(dimension):
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return None
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store = self._sel_stores[dimension]
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i = store.get_iter_first()
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while i:
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if store.get_value(i, 1) == selection:
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if store.get_value(i, 2) == dimension:
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return i
|
||||
i = store.iter_next(i)
|
||||
return None
|
||||
|
||||
##
|
||||
## 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.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])
|
||||
|
||||
|
||||
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_selection_observer(self._seltree_controller)
|
||||
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)
|
||||
print "DimListController.set_dimension()"
|
||||
|
||||
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)
|
||||
|
||||
|
|
|
|||
Reference in New Issue