def view(self,
view_name,
title=None,
width=None,
height=None,
scrollable=True):
"""
Adds a viewable panel.
:param view: The panel to show in this golden layout sub section.
:param title: The text to show at the top of the panel.
:param width: Initial width.
:param height: Initial height.
"""
# pn.config.js_files.update(fig_panel.js_files)
# We need to register every panel with a unique name such that after
# composing the jinja2 template, we can add them (see compose function).
# It seems that these unique names cannot start with a number or they cannot be referenced directly
# Therefore, currently tmpl.main.append cannot be used as this generates
fig_panel = self.main_controller.views[view_name]
panel_ID = "ID" + str(id(fig_panel))
title = default_label_formatter(title
or getattr(fig_panel, "name", None))
fig_panel.update() # intialize
item = pn.Row(fig_panel.panel,
sizing_mode="stretch_both") # Place figure in layout
self.panels[panel_ID] = item
title_str = "title: '%s'," % str(
title) if title is not None else "title: '',"
width_str = "width: %s," % str(width) if width is not None else ""
height_str = "height: %s," % str(height) if height is not None else ""
scroll_str = "css_classes: ['lm_content_noscroll']" if not scrollable else ""
# scroll_str = "css_classes: ['overflow-y: hidden !important']" # this doesnt work
# scroll_str = "overflow: 'hidden'," #if not scrollable else ""
settings = title_str + height_str + width_str + scroll_str
return self.VIEW % (panel_ID, settings)
def redraw(self):
# create new widgets
if self.n_levels <= 0:
n_levels = len(self._names) + self.n_levels
else:
n_levels = self.n_levels
self.widgets = {
name: pn.widgets.Select(name=default_label_formatter(name))
for name in self._names[:n_levels]
}
# todo perhaps do self.param.add_parameter?
self.selectors = list(self.widgets.values())
for selector in self.selectors:
selector.param.watch(self._selector_changed, ["value"], onlychanged=True)
options = list(self.index.get_level_values(0).unique())
if self.empty_select: # todo use Nonetype? -> allow_none kwarg for Select?
options = ["None"] + options
self.selectors[0].options = options
self.selectors[0].value = options[0]
self.redrawn = True
def test_default_label_formatter(self):
assert default_label_formatter('a_b_C') == 'A b C'
def test_default_label_formatter(self):
assert default_label_formatter('a_b_C') == 'A b C'
def __init__(self, **params):
super().__init__(**params)
name = default_label_formatter(self.field)
self.widget = self._widget.from_param(self.param.value, name=name)
self.update() # populate options