86 lines
3.0 KiB
Python
86 lines
3.0 KiB
Python
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import gtk
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import gobject
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import plots
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from system import dataset, logger, plots, project
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class NavigatorView (gtk.TreeView):
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def __init__(self, project, app):
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self.project = project
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self.app = app
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if project:
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self.data_tree = project.data_tree
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else:
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self.data_tree = None
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gtk.TreeView.__init__(self) #, self.data_tree)
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self.set_headers_visible(False)
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self.connect('cursor_changed', self.cursor_changed_handler)
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self.connect('row_activated', self.row_activated_handler)
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# self.connect('row_inserted', self.row_changed_handler)
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renderer = gtk.CellRendererText()
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self.object_col = gtk.TreeViewColumn('Object', renderer, text=0)
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self.append_column(self.object_col)
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logger.log('debug', 'Initializing navigator window.')
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def add_project(self, project):
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self.project = project
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self.data_tree = project.data_tree
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self.set_model(project.data_tree)
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self.data_tree.connect('row-changed',self.row_changed_handler)
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def cursor_changed_handler(self, widget):
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selection = widget.get_selection()
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model, tree_iter = selection.get_selected()
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obj = self.data_tree.get_value(tree_iter, 2)
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if isinstance(obj, dataset.Dataset):
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logger.log('debug', 'Selecting dataset')
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self.project.set_current_data(obj)
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elif not isinstance(obj, plots.Plot):
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t = type(obj)
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logger.log('debug', 'Selected datatype was %s. Don\'t know what to do.' % t)
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# TreeView changed. Expand new items!
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def row_changed_handler(self, treestore, pos, iter):
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obj = treestore.get_value(iter,2)
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if not treestore.get_value(iter,2):
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return
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self.expand_to_path(pos)
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if isinstance(treestore.get_value(iter,2),dataset.Dataset):
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self.set_cursor(pos)
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def display_data_info(self, data):
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dims = zip(data.get_dim_names(), data.shape)
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dim_text = ", ".join(["%s (%d)" % dim for dim in dims])
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text = """<span weight="bold">Data:</span> %s
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<span weight="bold">Dimensions:</span> %s""" % (data.get_name(), dim_text)
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d = gtk.MessageDialog(flags=(gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT),
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buttons=gtk.BUTTONS_OK)
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d.set_markup(text)
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d.set_default_response(gtk.BUTTONS_OK)
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d.run()
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d.destroy()
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def row_activated_handler(self, widget, path, column):
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tree_iter = self.data_tree.get_iter(path)
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obj = self.data_tree.get_value(tree_iter, 2)
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if isinstance(obj, plots.Plot):
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logger.log('debug', 'Activating plot')
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self.app.change_plot(obj)
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elif isinstance(obj, dataset.Dataset):
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self.display_data_info(obj)
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else:
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t = type(obj)
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logger.log('debug', 'Activated datatype was %s. Don\'t know what to do.' % t)
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