393 lines
13 KiB
Python
393 lines
13 KiB
Python
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import logger, dataset
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import annotations
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import pygtk
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import gtk
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import gtk.gdk
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import gtk.glade
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import gnome
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import gnome.ui
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import gobject
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class SimpleMenu(gtk.Menu):
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def __init__(self):
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gtk.Menu.__init__(self)
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def add_simple_item(self, title, function):
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item = gtk.MenuItem(title)
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item.connect('activate', function)
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self.append(item)
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item.show()
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class IdListController:
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"""Controller class for the identifier list."""
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def __init__(self, idlist):
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self._idlist = idlist
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# dimname: current_annotation_name
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self._annotation = {}
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# current dimension
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self._dimension = None
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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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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._button_pressed)
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## Set up identifier list context menu
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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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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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"""Set dimension"""
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if dimname == self._dimension:
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return
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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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def set_annotation(self, annotation):
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"""Set the displayed annotation to annotation. If annotation is None,
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the annotation column is hidden. Otherwise the annotation column is
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shown and filled with values from the given annotation field."""
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if annotation == self._annotation:
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return
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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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"""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._menu_ann.set_sensitive(False)
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else:
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annotations_menu = gtk.Menu()
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self._menu_ann.set_sensitive(True)
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dh = annotations.get_dim_handler(self._dimension)
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ann_names = dh.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._menu_ann.set_submenu(annotations_menu)
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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._menu.popup(None, None, None, 0, 0)
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def _on_annotation_activated(self, menuitem, annotation):
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self.set_annotation(annotation)
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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_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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gtk.STOCK_OPEN, gtk.RESPONSE_OK)
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dialog.set_select_multiple(True)
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retval = dialog.run()
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if retval in [gtk.RESPONSE_CANCEL, gtk.RESPONSE_DELETE_EVENT]:
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pass
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elif retval == gtk.RESPONSE_OK:
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for filename in dialog.get_filenames():
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annotations.read_annotations_file(filename)
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else:
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print "unknown; ", retval
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dialog.destroy()
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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_dimlist_controller(self, dimlist_controller):
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self._dimlist_controller = dimlist_controller
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def set_dimension(self, 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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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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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
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i = store.iter_next(i)
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return None
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##
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## GTK callbacks
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##
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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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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._dimlist_controller.set_dimension(obj.get_dim_name(0))
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widget.emit_stop_by_name('drag-data-received')
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def _on_cursor_changed(self, widget):
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"Show the list of identifier strings."
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store = self._sel_stores[self._dimension]
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p = self._seltree.get_cursor()[0]
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i = store.get_iter(p)
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obj = store.get_value(i, 1)
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if isinstance(obj, dataset.Selection):
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self._idlist_controller.set_selection(obj)
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def _on_row_activated(self, widget, path, column):
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store = self._sel_stores[self._dimension]
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i = store.get_iter(path)
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obj = store.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._dimension,
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obj[self._dimension])
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class DimListController:
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def __init__(self, dimlist, seltree_controller):
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self._current_dim = None
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self._seltree_controller = seltree_controller
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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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## The widgets we are controlling
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self.dimlist = dimlist
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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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##
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## Public interface
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##
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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._seltree_controller)
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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 set_dimension(self, dimname):
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self._current_dim = dimname
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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 self.dimlist.get_cursor()[0] != path:
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self.dimlist.set_cursor(self.dimstore.get_path(dim))
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self._seltree_controller.set_dimension(dimname)
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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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##
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## Private interface
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##
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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 _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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##
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## GTK Callbacks.
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##
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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_controller.set_dimension(dim)
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