class Worker:
def __init__(self, gui_master):
self.gui_master = gui_master
self._current_invoice_nr = 0
self.interface = InvoiceViewer(self, self.gui_master, "default", (600, 500))
self._invoice_list = []
def get_current_invoice(self):
"""
:return:filename of the invoice currently shown
"""
return self._invoice_list[self._current_invoice_nr]
def load_current_invoice_page(self):
self.interface.new_image_list(self.get_current_invoice().pages)
def next_invoice(self):
if self._current_invoice_nr + 1 >= len(self._invoice_list):
self._current_invoice_nr = 0
else:
self._current_invoice_nr += 1
return True
def prev_invoice(self):
if self._current_invoice_nr - 1 < 0:
self._current_invoice_nr = len(self._invoice_list) - 1
else:
self._current_invoice_nr -= 1
return True
def delete_current_invoice(self, save_copy=False):
self.get_current_invoice().delete(save_copy)
self._invoice_list.remove(self.get_current_invoice())
return True
def get_invoice_count(self):
return len(self._invoice_list)
def __init__(self, gui_master):
self.gui_master = gui_master
self._current_invoice_nr = 0
self.interface = InvoiceViewer(self, self.gui_master, "default", (600, 500))
self._invoice_list = []
