#!/usr/bin/env python3 from asciimatics.widgets import Frame, TextBox, Layout, Label, Divider, Text, \ CheckBox, RadioButtons, Button, PopUpDialog, TimePicker, DatePicker, DropdownList, PopupMenu from asciimatics.effects import Background from asciimatics.event import MouseEvent from asciimatics.scene import Scene from asciimatics.screen import Screen from asciimatics.exceptions import ResizeScreenError, NextScene, StopApplication, \ InvalidFields from asciimatics.parsers import AsciimaticsParser import sys import re import datetime import logging # Test data tree = r""" ${3,1}* ${2} / \ ${2} /${1}o${2} \ ${2} /_ _\ ${2} / \${4}b ${2} / \ ${2} / ${1}o${2} \ ${2} /__ __\ ${1}d${2} / ${4}o${2} \ ${2} / \ ${2} / ${4}o ${1}o${2}.\ ${2} /___________\ ${3}||| ${3}||| """.split("\n") # Initial data for the form form_data = { "TA": tree, "TB": "alphabet", "TC": "123", "TD": "a@b.com", "RO": "You can't touch this", "Things": 2, "CA": False, "CB": True, "CC": False, "DATE": datetime.datetime.now().date(), "TIME": datetime.datetime.now().time(), "PWD": "", "DD": 1 } logging.basicConfig(filename="forms.log", level=logging.DEBUG) class DemoFrame(Frame): def __init__(self, screen): super(DemoFrame, self).__init__(screen, int(screen.height * 2 // 3), int(screen.width * 2 // 3), data=form_data, has_shadow=True, name="My Form") layout = Layout([1, 18, 1]) self.add_layout(layout) self._reset_button = Button("Reset", self._reset) layout.add_widget(Label("Group 1:"), 1) layout.add_widget(TextBox(5, label="My First Box:", name="TA", parser=AsciimaticsParser(), line_wrap=True, on_change=self._on_change), 1) layout.add_widget( Text(label="Alpha:", name="TB", on_change=self._on_change, validator="^[a-zA-Z]*$"), 1) layout.add_widget( Text(label="Number:", name="TC", on_change=self._on_change, validator="^[0-9]*$", max_length=4), 1) layout.add_widget( Text(label="Email:", name="TD", on_change=self._on_change, validator=self._check_email), 1) layout.add_widget(Text(label="Readonly:", name="RO", readonly=True), 1) layout.add_widget(Divider(height=2), 1) layout.add_widget(Label("Group 2:"), 1) layout.add_widget(RadioButtons([("Option 1", 1), ("Option 2", 2), ("Option 3", 3)], label="A Longer Selection:", name="Things", on_change=self._on_change), 1) layout.add_widget(CheckBox("Field 1", label="A very silly long name for fields:", name="CA", on_change=self._on_change), 1) layout.add_widget( CheckBox("Field 2", name="CB", on_change=self._on_change), 1) layout.add_widget( CheckBox("Field 3", name="CC", on_change=self._on_change), 1) layout.add_widget(DatePicker("Date", name="DATE", year_range=range(1999, 2100), on_change=self._on_change), 1) layout.add_widget( TimePicker("Time", name="TIME", on_change=self._on_change, seconds=True), 1) layout.add_widget(Text("Password", name="PWD", on_change=self._on_change, hide_char="*"), 1) layout.add_widget(DropdownList( [("Item 1", 1), ("Item 2", 2), ("Item 3", 3), ("Item 3", 4), ("Item 3", 5), ("Item 3", 6), ("Item 3", 7), ("Item 3", 8), ("Item 3", 9), ("Item 3", 10), ("Item 3", 11), ("Item 3", 12), ("Item 3", 13), ("Item 3", 14), ("Item 3", 15), ("Item 3", 16), ("Item 4", 17), ("Item 5", 18), ], label="Dropdown", name="DD", on_change=self._on_change), 1) layout.add_widget(Divider(height=3), 1) layout2 = Layout([1, 1, 1]) self.add_layout(layout2) layout2.add_widget(self._reset_button, 0) layout2.add_widget(Button("View Data", self._view), 1) layout2.add_widget(Button("Quit", self._quit), 2) self.fix() def process_event(self, event): # Handle dynamic pop-ups now. if (event is not None and isinstance(event, MouseEvent) and event.buttons == MouseEvent.DOUBLE_CLICK): # By processing the double-click before Frame handling, we have absolute coordinates. options = [ ("Default", self._set_default), ("Green", self._set_green), ("Monochrome", self._set_mono), ("Bright", self._set_bright), ] if self.screen.colours >= 256: options.append(("Red/white", self._set_tlj)) self._scene.add_effect(PopupMenu(self.screen, options, event.x, event.y)) event = None # Pass any other event on to the Frame and contained widgets. return super(DemoFrame, self).process_event(event) def _set_default(self): self.set_theme("default") def _set_green(self): self.set_theme("green") def _set_mono(self): self.set_theme("monochrome") def _set_bright(self): self.set_theme("bright") def _set_tlj(self): self.set_theme("tlj256") def _on_change(self): changed = False self.save() for key, value in self.data.items(): if key not in form_data or form_data[key] != value: changed = True break self._reset_button.disabled = not changed def _reset(self): self.reset() raise NextScene() def _view(self): # Build result of this form and display it. try: self.save(validate=True) message = "Values entered are:\n\n" for key, value in self.data.items(): message += "- {}: {}\n".format(key, value) except InvalidFields as exc: message = "The following fields are invalid:\n\n" for field in exc.fields: message += "- {}\n".format(field) self._scene.add_effect( PopUpDialog(self._screen, message, ["OK"])) def _quit(self): self._scene.add_effect( PopUpDialog(self._screen, "Are you sure?", ["Yes", "No"], has_shadow=True, on_close=self._quit_on_yes)) @staticmethod def _check_email(value): m = re.match(r"^[a-zA-Z0-9_\-.]+@[a-zA-Z0-9_\-.]+\.[a-zA-Z0-9_\-.]+$", value) return len(value) == 0 or m is not None @staticmethod def _quit_on_yes(selected): # Yes is the first button if selected == 0: raise StopApplication("User requested exit") def demo(screen, scene): screen.play([Scene([ Background(screen), DemoFrame(screen) ], -1)], stop_on_resize=True, start_scene=scene, allow_int=True) last_scene = None while True: try: Screen.wrapper(demo, catch_interrupt=False, arguments=[last_scene]) sys.exit(0) except ResizeScreenError as e: last_scene = e.scene