/
DateTimeShortcuts.js
408 lines (382 loc) · 18.9 KB
/
DateTimeShortcuts.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
/*global Calendar, findPosX, findPosY, get_format, gettext, gettext_noop, interpolate, ngettext, quickElement*/
// Inserts shortcut buttons after all of the following:
// <input type="text" class="vDateField">
// <input type="text" class="vTimeField">
'use strict';
{
const DateTimeShortcuts = {
calendars: [],
calendarInputs: [],
clockInputs: [],
clockHours: {
default_: [
[gettext_noop('Now'), -1],
[gettext_noop('Midnight'), 0],
[gettext_noop('6 a.m.'), 6],
[gettext_noop('Noon'), 12],
[gettext_noop('6 p.m.'), 18]
]
},
dismissClockFunc: [],
dismissCalendarFunc: [],
calendarDivName1: 'calendarbox', // name of calendar <div> that gets toggled
calendarDivName2: 'calendarin', // name of <div> that contains calendar
calendarLinkName: 'calendarlink', // name of the link that is used to toggle
clockDivName: 'clockbox', // name of clock <div> that gets toggled
clockLinkName: 'clocklink', // name of the link that is used to toggle
shortCutsClass: 'datetimeshortcuts', // class of the clock and cal shortcuts
timezoneWarningClass: 'timezonewarning', // class of the warning for timezone mismatch
timezoneOffset: 0,
init: function() {
const serverOffset = document.body.dataset.adminUtcOffset;
if (serverOffset) {
const localOffset = new Date().getTimezoneOffset() * -60;
DateTimeShortcuts.timezoneOffset = localOffset - serverOffset;
}
for (const inp of document.getElementsByTagName('input')) {
if (inp.type === 'text' && inp.classList.contains('vTimeField')) {
DateTimeShortcuts.addClock(inp);
DateTimeShortcuts.addTimezoneWarning(inp);
}
else if (inp.type === 'text' && inp.classList.contains('vDateField')) {
DateTimeShortcuts.addCalendar(inp);
DateTimeShortcuts.addTimezoneWarning(inp);
}
}
},
// Return the current time while accounting for the server timezone.
now: function() {
const serverOffset = document.body.dataset.adminUtcOffset;
if (serverOffset) {
const localNow = new Date();
const localOffset = localNow.getTimezoneOffset() * -60;
localNow.setTime(localNow.getTime() + 1000 * (serverOffset - localOffset));
return localNow;
} else {
return new Date();
}
},
// Add a warning when the time zone in the browser and backend do not match.
addTimezoneWarning: function(inp) {
const warningClass = DateTimeShortcuts.timezoneWarningClass;
let timezoneOffset = DateTimeShortcuts.timezoneOffset / 3600;
// Only warn if there is a time zone mismatch.
if (!timezoneOffset) {
return;
}
// Check if warning is already there.
if (inp.parentNode.querySelectorAll('.' + warningClass).length) {
return;
}
let message;
if (timezoneOffset > 0) {
message = ngettext(
'Note: You are %s hour ahead of server time.',
'Note: You are %s hours ahead of server time.',
timezoneOffset
);
}
else {
timezoneOffset *= -1;
message = ngettext(
'Note: You are %s hour behind server time.',
'Note: You are %s hours behind server time.',
timezoneOffset
);
}
message = interpolate(message, [timezoneOffset]);
const warning = document.createElement('div');
warning.classList.add('help', warningClass);
warning.textContent = message;
inp.parentNode.appendChild(warning);
},
// Add clock widget to a given field
addClock: function(inp) {
const num = DateTimeShortcuts.clockInputs.length;
DateTimeShortcuts.clockInputs[num] = inp;
DateTimeShortcuts.dismissClockFunc[num] = function() { DateTimeShortcuts.dismissClock(num); return true; };
// Shortcut links (clock icon and "Now" link)
const shortcuts_span = document.createElement('span');
shortcuts_span.className = DateTimeShortcuts.shortCutsClass;
inp.parentNode.insertBefore(shortcuts_span, inp.nextSibling);
const now_link = document.createElement('a');
now_link.href = "#";
now_link.textContent = gettext('Now');
now_link.addEventListener('click', function(e) {
e.preventDefault();
DateTimeShortcuts.handleClockQuicklink(num, -1);
});
const clock_link = document.createElement('a');
clock_link.href = '#';
clock_link.id = DateTimeShortcuts.clockLinkName + num;
clock_link.addEventListener('click', function(e) {
e.preventDefault();
// avoid triggering the document click handler to dismiss the clock
e.stopPropagation();
DateTimeShortcuts.openClock(num);
});
quickElement(
'span', clock_link, '',
'class', 'clock-icon',
'title', gettext('Choose a Time')
);
shortcuts_span.appendChild(document.createTextNode('\u00A0'));
shortcuts_span.appendChild(now_link);
shortcuts_span.appendChild(document.createTextNode('\u00A0|\u00A0'));
shortcuts_span.appendChild(clock_link);
// Create clock link div
//
// Markup looks like:
// <div id="clockbox1" class="clockbox module">
// <h2>Choose a time</h2>
// <ul class="timelist">
// <li><a href="#">Now</a></li>
// <li><a href="#">Midnight</a></li>
// <li><a href="#">6 a.m.</a></li>
// <li><a href="#">Noon</a></li>
// <li><a href="#">6 p.m.</a></li>
// </ul>
// <p class="calendar-cancel"><a href="#">Cancel</a></p>
// </div>
const clock_box = document.createElement('div');
clock_box.style.display = 'none';
clock_box.style.position = 'absolute';
clock_box.className = 'clockbox module';
clock_box.id = DateTimeShortcuts.clockDivName + num;
document.body.appendChild(clock_box);
clock_box.addEventListener('click', function(e) { e.stopPropagation(); });
quickElement('h2', clock_box, gettext('Choose a time'));
const time_list = quickElement('ul', clock_box);
time_list.className = 'timelist';
// The list of choices can be overridden in JavaScript like this:
// DateTimeShortcuts.clockHours.name = [['3 a.m.', 3]];
// where name is the name attribute of the <input>.
const name = typeof DateTimeShortcuts.clockHours[inp.name] === 'undefined' ? 'default_' : inp.name;
DateTimeShortcuts.clockHours[name].forEach(function(element) {
const time_link = quickElement('a', quickElement('li', time_list), gettext(element[0]), 'href', '#');
time_link.addEventListener('click', function(e) {
e.preventDefault();
DateTimeShortcuts.handleClockQuicklink(num, element[1]);
});
});
const cancel_p = quickElement('p', clock_box);
cancel_p.className = 'calendar-cancel';
const cancel_link = quickElement('a', cancel_p, gettext('Cancel'), 'href', '#');
cancel_link.addEventListener('click', function(e) {
e.preventDefault();
DateTimeShortcuts.dismissClock(num);
});
document.addEventListener('keyup', function(event) {
if (event.which === 27) {
// ESC key closes popup
DateTimeShortcuts.dismissClock(num);
event.preventDefault();
}
});
},
openClock: function(num) {
const clock_box = document.getElementById(DateTimeShortcuts.clockDivName + num);
const clock_link = document.getElementById(DateTimeShortcuts.clockLinkName + num);
// Recalculate the clockbox position
// is it left-to-right or right-to-left layout ?
if (window.getComputedStyle(document.body).direction !== 'rtl') {
clock_box.style.left = findPosX(clock_link) + 17 + 'px';
}
else {
// since style's width is in em, it'd be tough to calculate
// px value of it. let's use an estimated px for now
clock_box.style.left = findPosX(clock_link) - 110 + 'px';
}
clock_box.style.top = Math.max(0, findPosY(clock_link) - 30) + 'px';
// Show the clock box
clock_box.style.display = 'block';
document.addEventListener('click', DateTimeShortcuts.dismissClockFunc[num]);
},
dismissClock: function(num) {
document.getElementById(DateTimeShortcuts.clockDivName + num).style.display = 'none';
document.removeEventListener('click', DateTimeShortcuts.dismissClockFunc[num]);
},
handleClockQuicklink: function(num, val) {
let d;
if (val === -1) {
d = DateTimeShortcuts.now();
}
else {
d = new Date(1970, 1, 1, val, 0, 0, 0);
}
DateTimeShortcuts.clockInputs[num].value = d.strftime(get_format('TIME_INPUT_FORMATS')[0]);
DateTimeShortcuts.clockInputs[num].focus();
DateTimeShortcuts.dismissClock(num);
},
// Add calendar widget to a given field.
addCalendar: function(inp) {
const num = DateTimeShortcuts.calendars.length;
DateTimeShortcuts.calendarInputs[num] = inp;
DateTimeShortcuts.dismissCalendarFunc[num] = function() { DateTimeShortcuts.dismissCalendar(num); return true; };
// Shortcut links (calendar icon and "Today" link)
const shortcuts_span = document.createElement('span');
shortcuts_span.className = DateTimeShortcuts.shortCutsClass;
inp.parentNode.insertBefore(shortcuts_span, inp.nextSibling);
const today_link = document.createElement('a');
today_link.href = '#';
today_link.appendChild(document.createTextNode(gettext('Today')));
today_link.addEventListener('click', function(e) {
e.preventDefault();
DateTimeShortcuts.handleCalendarQuickLink(num, 0);
});
const cal_link = document.createElement('a');
cal_link.href = '#';
cal_link.id = DateTimeShortcuts.calendarLinkName + num;
cal_link.addEventListener('click', function(e) {
e.preventDefault();
// avoid triggering the document click handler to dismiss the calendar
e.stopPropagation();
DateTimeShortcuts.openCalendar(num);
});
quickElement(
'span', cal_link, '',
'class', 'date-icon',
'title', gettext('Choose a Date')
);
shortcuts_span.appendChild(document.createTextNode('\u00A0'));
shortcuts_span.appendChild(today_link);
shortcuts_span.appendChild(document.createTextNode('\u00A0|\u00A0'));
shortcuts_span.appendChild(cal_link);
// Create calendarbox div.
//
// Markup looks like:
//
// <div id="calendarbox3" class="calendarbox module">
// <h2>
// <a href="#" class="link-previous">‹</a>
// <a href="#" class="link-next">›</a> February 2003
// </h2>
// <div class="calendar" id="calendarin3">
// <!-- (cal) -->
// </div>
// <div class="calendar-shortcuts">
// <a href="#">Yesterday</a> | <a href="#">Today</a> | <a href="#">Tomorrow</a>
// </div>
// <p class="calendar-cancel"><a href="#">Cancel</a></p>
// </div>
const cal_box = document.createElement('div');
cal_box.style.display = 'none';
cal_box.style.position = 'absolute';
cal_box.className = 'calendarbox module';
cal_box.id = DateTimeShortcuts.calendarDivName1 + num;
document.body.appendChild(cal_box);
cal_box.addEventListener('click', function(e) { e.stopPropagation(); });
// next-prev links
const cal_nav = quickElement('div', cal_box);
const cal_nav_prev = quickElement('a', cal_nav, '<', 'href', '#');
cal_nav_prev.className = 'calendarnav-previous';
cal_nav_prev.addEventListener('click', function(e) {
e.preventDefault();
DateTimeShortcuts.drawPrev(num);
});
const cal_nav_next = quickElement('a', cal_nav, '>', 'href', '#');
cal_nav_next.className = 'calendarnav-next';
cal_nav_next.addEventListener('click', function(e) {
e.preventDefault();
DateTimeShortcuts.drawNext(num);
});
// main box
const cal_main = quickElement('div', cal_box, '', 'id', DateTimeShortcuts.calendarDivName2 + num);
cal_main.className = 'calendar';
DateTimeShortcuts.calendars[num] = new Calendar(DateTimeShortcuts.calendarDivName2 + num, DateTimeShortcuts.handleCalendarCallback(num));
DateTimeShortcuts.calendars[num].drawCurrent();
// calendar shortcuts
const shortcuts = quickElement('div', cal_box);
shortcuts.className = 'calendar-shortcuts';
let day_link = quickElement('a', shortcuts, gettext('Yesterday'), 'href', '#');
day_link.addEventListener('click', function(e) {
e.preventDefault();
DateTimeShortcuts.handleCalendarQuickLink(num, -1);
});
shortcuts.appendChild(document.createTextNode('\u00A0|\u00A0'));
day_link = quickElement('a', shortcuts, gettext('Today'), 'href', '#');
day_link.addEventListener('click', function(e) {
e.preventDefault();
DateTimeShortcuts.handleCalendarQuickLink(num, 0);
});
shortcuts.appendChild(document.createTextNode('\u00A0|\u00A0'));
day_link = quickElement('a', shortcuts, gettext('Tomorrow'), 'href', '#');
day_link.addEventListener('click', function(e) {
e.preventDefault();
DateTimeShortcuts.handleCalendarQuickLink(num, +1);
});
// cancel bar
const cancel_p = quickElement('p', cal_box);
cancel_p.className = 'calendar-cancel';
const cancel_link = quickElement('a', cancel_p, gettext('Cancel'), 'href', '#');
cancel_link.addEventListener('click', function(e) {
e.preventDefault();
DateTimeShortcuts.dismissCalendar(num);
});
document.addEventListener('keyup', function(event) {
if (event.which === 27) {
// ESC key closes popup
DateTimeShortcuts.dismissCalendar(num);
event.preventDefault();
}
});
},
openCalendar: function(num) {
const cal_box = document.getElementById(DateTimeShortcuts.calendarDivName1 + num);
const cal_link = document.getElementById(DateTimeShortcuts.calendarLinkName + num);
const inp = DateTimeShortcuts.calendarInputs[num];
// Determine if the current value in the input has a valid date.
// If so, draw the calendar with that date's year and month.
if (inp.value) {
const format = get_format('DATE_INPUT_FORMATS')[0];
const selected = inp.value.strptime(format);
const year = selected.getUTCFullYear();
const month = selected.getUTCMonth() + 1;
const re = /\d{4}/;
if (re.test(year.toString()) && month >= 1 && month <= 12) {
DateTimeShortcuts.calendars[num].drawDate(month, year, selected);
}
}
// Recalculate the clockbox position
// is it left-to-right or right-to-left layout ?
if (window.getComputedStyle(document.body).direction !== 'rtl') {
cal_box.style.left = findPosX(cal_link) + 17 + 'px';
}
else {
// since style's width is in em, it'd be tough to calculate
// px value of it. let's use an estimated px for now
cal_box.style.left = findPosX(cal_link) - 180 + 'px';
}
cal_box.style.top = Math.max(0, findPosY(cal_link) - 75) + 'px';
cal_box.style.display = 'block';
document.addEventListener('click', DateTimeShortcuts.dismissCalendarFunc[num]);
},
dismissCalendar: function(num) {
document.getElementById(DateTimeShortcuts.calendarDivName1 + num).style.display = 'none';
document.removeEventListener('click', DateTimeShortcuts.dismissCalendarFunc[num]);
},
drawPrev: function(num) {
DateTimeShortcuts.calendars[num].drawPreviousMonth();
},
drawNext: function(num) {
DateTimeShortcuts.calendars[num].drawNextMonth();
},
handleCalendarCallback: function(num) {
const format = get_format('DATE_INPUT_FORMATS')[0];
return function(y, m, d) {
DateTimeShortcuts.calendarInputs[num].value = new Date(y, m - 1, d).strftime(format);
DateTimeShortcuts.calendarInputs[num].focus();
document.getElementById(DateTimeShortcuts.calendarDivName1 + num).style.display = 'none';
};
},
handleCalendarQuickLink: function(num, offset) {
const d = DateTimeShortcuts.now();
d.setDate(d.getDate() + offset);
DateTimeShortcuts.calendarInputs[num].value = d.strftime(get_format('DATE_INPUT_FORMATS')[0]);
DateTimeShortcuts.calendarInputs[num].focus();
DateTimeShortcuts.dismissCalendar(num);
}
};
window.addEventListener('load', DateTimeShortcuts.init);
window.DateTimeShortcuts = DateTimeShortcuts;
}