/
dataset_editor.py
144 lines (117 loc) · 4.28 KB
/
dataset_editor.py
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from traits.etsconfig.api import ETSConfig
ETSConfig.toolkit ='qt4'
from traits.api import Str, List, Bool, HasTraits, Color, on_trait_change, Instance, Event, Float
from traitsui.api import View, Item, TableEditor, VGroup, HGroup, Label
from traitsui.table_column import ObjectColumn
from traitsui.extras.checkbox_column import CheckboxColumn
from traitsui.menu import OKButton, CancelButton
from fixes import fix_background_color, ColorEditor
fix_background_color()
class DatasetUI(HasTraits):
name = Str('')
color = Color(allow_none=True)
active = Bool(True)
markers = Bool(False)
marker_size = Float(1.0)
line_width = Float(1.0)
dataset = Instance(object)
traits_view = View(
Item('name'),
Item('color'),
Item('active'),
Item('markers'),
Item('marker_size'),
Item('line_width'),
)
class DatasetColumn(ObjectColumn):
pass
class ColorColumn(ObjectColumn):
def get_cell_color(self, object):
return getattr(object, self.name + '_')
def get_value(self, object):
return ''
class DatasetEditor(HasTraits):
datasets = List(DatasetUI)
selected = List(DatasetUI)
color = Color
active = Bool(True)
markers = Bool(False)
marker_size = Float(1.0)
line_width = Float(1.0)
table_click = Event
dataset_editor = TableEditor(
auto_size=True,
selection_mode='rows',
sortable=False,
configurable=False,
editable=True,
edit_on_first_click=False,
cell_bg_color='white',
label_bg_color=(232,232,232),
selection_bg_color=(232,232,232),
columns=[
DatasetColumn(name='name', cell_color='white', editable=False, width=0.9),
ColorColumn(name='color'),
CheckboxColumn(name='active'),
CheckboxColumn(name='markers'),
DatasetColumn(name='marker_size'),
DatasetColumn(name='line_width'),
]
)
traits_view = View(
VGroup(
HGroup(Item('datasets', editor=dataset_editor, show_label=False)),
VGroup(
Label('Modify all selected items:'),
VGroup(
Item('color', editor=ColorEditor()),
Item('active'),
Item('markers'),
Item('marker_size'),
Item('line_width'),
springy=True
),
),
),
resizable=True, width=0.5, height=0.5, kind='livemodal',
title='Edit datasets',
buttons = [OKButton, CancelButton],
)
def __init__(self, *args, **kwargs):
self.datasets = map(lambda d: d.metadata['ui'], kwargs.pop('datasets'))
super(DatasetEditor, self).__init__(*args, **kwargs)
self.dataset_editor.on_select = self._selection_changed
self.selecting = False
def _selection_changed(self, selected_objs):
self.selected = selected_objs
self._update_ui()
def _table_click_changed(self, trait, value):
self._update_ui()
def _update_ui(self):
if not self.selected:
return
self.selecting = True
# If the colors are all the same
if all(map(lambda o: o.color != None, self.selected)) and \
len(set(map(lambda o: tuple(o.color), self.selected))) == 1:
self.color = self.selected[0].color
else:
# This makes sure 'custom' is displayed
self.color = (1,2,3,4)
self.active = self.selected[0].active
self.markers = self.selected[0].markers
self.marker_size = self.selected[0].marker_size
self.line_width = self.selected[0].line_width
self.selecting = False
@on_trait_change('active, color, markers, marker_size, line_width')
def _trait_changed(self, trait, value):
if not self.selecting:
for obj in self.selected:
setattr(obj, trait, value)
if __name__ == '__main__':
d1 = DatasetUI(active=True, name='d1', color='red')
d2 = DatasetUI(active=True, name='d2', color='green')
d3 = DatasetUI(active=True, name='d3', color='blue')
datasets = [ d1, d2, d3 ]
dataset_editor = DatasetEditor(datasets=datasets)
dataset_editor.configure_traits()