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annotate libervia/pages/_browser/dialog.py @ 1328:683e50799d6d

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browser (dialog): new class to handle notifications
author Goffi <goffi@goffi.org>
date Fri, 14 Aug 2020 09:31:32 +0200
parents 053141849206
children 8729d2708f65
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053141849206 browser: module to handle dialogs, first draft
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1 """manage common dialogs"""
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2
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3 from browser import document, 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=""):
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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 self.cancel_label = cancel_label
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14
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15 def cancel_cb(self, evt, notif_elt):
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16 notif_elt.remove()
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17
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18 def show(self, ok_cb, cancel_cb=None):
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19 if cancel_cb is None:
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20 cancel_cb = self.cancel_cb
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21 notif_elt = self._tpl.get_elt({
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22 "message": self.message,
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23 "ok_label": self.ok_label,
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24 "cancel_label": self.cancel_label,
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25 })
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26
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27 document['notifs_area'] <= notif_elt
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28 timer.set_timeout(lambda: notif_elt.classList.add('state_appended'), 0)
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29 for cancel_elt in notif_elt.select(".click_to_cancel"):
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30 cancel_elt.bind("click", lambda evt: cancel_cb(evt, notif_elt))
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31 for cancel_elt in notif_elt.select(".click_to_ok"):
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32 cancel_elt.bind("click", lambda evt: ok_cb(evt, notif_elt))
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34
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35 class Notification:
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36
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37 def __init__(self):
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38 self._tpl = Template("dialogs/notification.html")
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39
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40 def close(self, notif_elt):
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41 notif_elt.classList.remove('state_appended')
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42 notif_elt.bind("transitionend", lambda __: notif_elt.remove())
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43
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44 def show(
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45 self,
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46 message: str,
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47 level: str = "info",
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48 delay: int = 5
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49 ) -> None:
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50 # we log in console error messages, may be useful
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51 if level in ("warning", "error"):
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52 print(f"[{level}] {message}")
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53 notif_elt = self._tpl.get_elt({
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54 "message": message,
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55 "level": level,
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56 })
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57 document["notifs_area"] <= notif_elt
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58 timer.set_timeout(lambda: notif_elt.classList.add('state_appended'), 0)
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59 timer.set_timeout(lambda: self.close(notif_elt), delay * 1000)
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60 for elt in notif_elt.select('.click_to_close'):
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61 elt.bind('click', lambda __: self.close(notif_elt))
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62
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63
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64 notification = Notification()