class UpdateScreen(Screen):
"""data contains a list of all dicts displayed for a
selection in the dropdown"""
disp_data = []
json_data = loader()
key = ''
hint_text_1 = StringProperty('')
hint_text_2 = StringProperty('')
def save(self):
Factory.VerifyPopup(data = self.json_data).open()
def clear(self):
self.rv.data = []
self.disp_data = []
def add_entry(self):
try:
self.disp_data.append({'selection': str(self.input_1.text), 'pair': str(self.input_2.text)})
self.json_data[self.key].update({self.input_1.text: self.input_2.text})
self.rv.data = self.disp_data
self.input_1.text = ''
self.input_2.text = ''
except:
Factory.ErrorPopup().open()
def delete(self):
temp = self.disp_data
for index, item in enumerate(reversed(self.rvlayout.children)):
if item.selected:
self.json_data[self.key].pop(item.selection)
i = temp.index({'selection': item.selection, 'pair': item.pair})
temp.pop(i)
print(temp.pop(index))
self.clear()
self.disp_data = temp
self.rv.data = temp
def populate(self, key):
data = self.json_data[key]
self.clear()
for item in data:
self.disp_data.append({'selection': str(item), 'pair': str(data[item])})
self.rv.data = self.disp_data
self.key = key
def __init__(self, **kwargs):
super(SelectionDropDown, self).__init__(**kwargs)
self.types = loader()
self.default_text = "Choose category to edit"
self.text = "Choose category to edit"
self.name = "selection"
def __init__(self, **kwargs):
super(DropSolvents, self).__init__(**kwargs)
self.types = loader()['Solvents']
self.default_text = "Solvent"
self.text = "Solvent"
self.name = "dens"
def __init__(self, **kwargs):
super(DropSolutes, self).__init__(**kwargs)
self.types = loader()['Solutes']
self.default_text = "Solute"
self.text = "Solute"
self.name = "solts"
def __init__(self, **kwargs):
super(DropTypes, self).__init__(**kwargs)
self.types = loader()['Types']
self.default_text = "Type of Solution"
self.text = "Type of Solution"
self.name = "type_solution"