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annotate libervia/pages/_browser/dialog.py @ 1385:4b6f711b09cb

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browser (dialog): new `ashow` method to use `Confirm` in async methods
author Goffi <goffi@goffi.org>
date Sat, 20 Feb 2021 13:58:01 +0100
parents 8729d2708f65
children 409d10211b20
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1 """manage common dialogs"""
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2
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3 from browser import document, window, timer
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4 from template import Template
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5
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6
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7 class Confirm:
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8
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9 def __init__(self, message, ok_label="", cancel_label="", ok_color="success"):
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10 self._tpl = Template("dialogs/confirm.html")
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11 self.message = message
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12 self.ok_label = ok_label
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13 assert ok_color in ("success", "danger")
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14 self.ok_color = ok_color
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15 self.cancel_label = cancel_label
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16
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17 def cancel_cb(self, evt, notif_elt):
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18 notif_elt.remove()
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19
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20 def show(self, ok_cb, cancel_cb=None):
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21 if cancel_cb is None:
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22 cancel_cb = self.cancel_cb
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23 notif_elt = self._tpl.get_elt({
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24 "message": self.message,
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25 "ok_label": self.ok_label,
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26 "ok_color": self.ok_color,
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27 "cancel_label": self.cancel_label,
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28 })
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29
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30 document['notifs_area'] <= notif_elt
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31 timer.set_timeout(lambda: notif_elt.classList.add('state_appended'), 0)
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32 for cancel_elt in notif_elt.select(".click_to_cancel"):
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33 cancel_elt.bind("click", lambda evt: cancel_cb(evt, notif_elt))
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34 for cancel_elt in notif_elt.select(".click_to_ok"):
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35 cancel_elt.bind("click", lambda evt: ok_cb(evt, notif_elt))
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36
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37 def _ashow_cb(self, evt, notif_elt, resolve_cb, confirmed):
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38 evt.stopPropagation()
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39 notif_elt.remove()
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40 resolve_cb(confirmed)
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41
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42 async def ashow(self):
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43 return window.Promise.new(
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44 lambda resolve_cb, reject_cb:
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45 self.show(
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46 lambda evt, notif_elt: self._ashow_cb(evt, notif_elt, resolve_cb, True),
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47 lambda evt, notif_elt: self._ashow_cb(evt, notif_elt, resolve_cb, False)
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48 )
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49 )
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50
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51
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52 class Notification:
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53
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54 def __init__(self):
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55 self._tpl = Template("dialogs/notification.html")
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56
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57 def close(self, notif_elt):
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58 notif_elt.classList.remove('state_appended')
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59 notif_elt.bind("transitionend", lambda __: notif_elt.remove())
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60
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61 def show(
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62 self,
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63 message: str,
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64 level: str = "info",
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65 delay: int = 5
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66 ) -> None:
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67 # we log in console error messages, may be useful
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68 if level in ("warning", "error"):
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69 print(f"[{level}] {message}")
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70 notif_elt = self._tpl.get_elt({
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71 "message": message,
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72 "level": level,
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73 })
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74 document["notifs_area"] <= notif_elt
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75 timer.set_timeout(lambda: notif_elt.classList.add('state_appended'), 0)
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76 timer.set_timeout(lambda: self.close(notif_elt), delay * 1000)
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77 for elt in notif_elt.select('.click_to_close'):
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78 elt.bind('click', lambda __: self.close(notif_elt))
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79
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80
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81 notification = Notification()