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Christian Dresen authoredChristian Dresen authored
DateTimeShortcuts.js 18.15 KiB
/*global addEvent, Calendar, cancelEventPropagation, findPosX, findPosY, getStyle, get_format, gettext, interpolate, ngettext, quickElement, removeEvent*/
// Inserts shortcut buttons after all of the following:
// <input type="text" class="vDateField">
// <input type="text" class="vTimeField">
(function() {
'use strict';
var DateTimeShortcuts = {
calendars: [],
calendarInputs: [],
clockInputs: [],
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() {
var body = document.getElementsByTagName('body')[0];
var serverOffset = body.getAttribute('data-admin-utc-offset');
if (serverOffset !== undefined) {
var localOffset = new Date().getTimezoneOffset() * -60;
DateTimeShortcuts.timezoneOffset = localOffset - serverOffset;
}
var inputs = document.getElementsByTagName('input');
for (var i = 0; i < inputs.length; i++) {
var inp = inputs[i];
if (inp.getAttribute('type') === 'text' && inp.className.match(/vTimeField/)) {
DateTimeShortcuts.addClock(inp);
DateTimeShortcuts.addTimezoneWarning(inp);
}
else if (inp.getAttribute('type') === 'text' && inp.className.match(/vDateField/)) {
DateTimeShortcuts.addCalendar(inp);
DateTimeShortcuts.addTimezoneWarning(inp);
}
}
},
// Return the current time while accounting for the server timezone.
now: function() {
var body = document.getElementsByTagName('body')[0];
var serverOffset = body.getAttribute('data-admin-utc-offset');
if (serverOffset !== undefined) {
var localNow = new Date();
var 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) {
var $ = django.jQuery;
var warningClass = DateTimeShortcuts.timezoneWarningClass;
var timezoneOffset = DateTimeShortcuts.timezoneOffset / 3600;
// Only warn if there is a time zone mismatch.
if (!timezoneOffset) {
return;
}
// Check if warning is already there.
if ($(inp).siblings('.' + warningClass).length) {
return;
}
var 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]);
var $warning = $('<span>');
$warning.attr('class', warningClass);
$warning.text(message);
$(inp).parent()
.append($('<br>'))
.append($warning);
},
// Add clock widget to a given field
addClock: function(inp) {
var num = DateTimeShortcuts.clockInputs.length;
DateTimeShortcuts.clockInputs[num] = inp;
DateTimeShortcuts.dismissClockFunc[num] = function() { DateTimeShortcuts.dismissClock(num); return true; };
// Shortcut links (clock icon and "Now" link)
var shortcuts_span = document.createElement('span');
shortcuts_span.className = DateTimeShortcuts.shortCutsClass;
inp.parentNode.insertBefore(shortcuts_span, inp.nextSibling);
var now_link = document.createElement('a');
now_link.setAttribute('href', "javascript:DateTimeShortcuts.handleClockQuicklink(" + num + ", -1);");
now_link.appendChild(document.createTextNode(gettext('Now')));
var clock_link = document.createElement('a');
clock_link.setAttribute('href', 'javascript:DateTimeShortcuts.openClock(' + num + ');');
clock_link.id = DateTimeShortcuts.clockLinkName + 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>
var clock_box = document.createElement('div');
clock_box.style.display = 'none';
clock_box.style.position = 'absolute'; clock_box.className = 'clockbox module';
clock_box.setAttribute('id', DateTimeShortcuts.clockDivName + num);
document.body.appendChild(clock_box);
addEvent(clock_box, 'click', cancelEventPropagation);
quickElement('h2', clock_box, gettext('Choose a time'));
var time_list = quickElement('ul', clock_box);
time_list.className = 'timelist';
quickElement("a", quickElement("li", time_list), gettext("Now"), "href", "javascript:DateTimeShortcuts.handleClockQuicklink(" + num + ", -1);");
quickElement("a", quickElement("li", time_list), gettext("Midnight"), "href", "javascript:DateTimeShortcuts.handleClockQuicklink(" + num + ", 0);");
quickElement("a", quickElement("li", time_list), gettext("6 a.m."), "href", "javascript:DateTimeShortcuts.handleClockQuicklink(" + num + ", 6);");
quickElement("a", quickElement("li", time_list), gettext("Noon"), "href", "javascript:DateTimeShortcuts.handleClockQuicklink(" + num + ", 12);");
quickElement("a", quickElement("li", time_list), gettext("6 p.m."), "href", "javascript:DateTimeShortcuts.handleClockQuicklink(" + num + ", 18);");
var cancel_p = quickElement('p', clock_box);
cancel_p.className = 'calendar-cancel';
quickElement('a', cancel_p, gettext('Cancel'), 'href', 'javascript:DateTimeShortcuts.dismissClock(' + num + ');');
django.jQuery(document).bind('keyup', function(event) {
if (event.which === 27) {
// ESC key closes popup
DateTimeShortcuts.dismissClock(num);
event.preventDefault();
}
});
},
openClock: function(num) {
var clock_box = document.getElementById(DateTimeShortcuts.clockDivName + num);
var clock_link = document.getElementById(DateTimeShortcuts.clockLinkName + num);
// Recalculate the clockbox position
// is it left-to-right or right-to-left layout ?
if (getStyle(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
// TODO: IE returns wrong value for findPosX when in rtl mode
// (it returns as it was left aligned), needs to be fixed.
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';
addEvent(document, 'click', DateTimeShortcuts.dismissClockFunc[num]);
},
dismissClock: function(num) {
document.getElementById(DateTimeShortcuts.clockDivName + num).style.display = 'none';
removeEvent(document, 'click', DateTimeShortcuts.dismissClockFunc[num]);
},
handleClockQuicklink: function(num, val) {
var 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) {
var num = DateTimeShortcuts.calendars.length;
DateTimeShortcuts.calendarInputs[num] = inp;
DateTimeShortcuts.dismissCalendarFunc[num] = function() { DateTimeShortcuts.dismissCalendar(num); return true; };
// Shortcut links (calendar icon and "Today" link)
var shortcuts_span = document.createElement('span');
shortcuts_span.className = DateTimeShortcuts.shortCutsClass;
inp.parentNode.insertBefore(shortcuts_span, inp.nextSibling);
var today_link = document.createElement('a');
today_link.setAttribute('href', 'javascript:DateTimeShortcuts.handleCalendarQuickLink(' + num + ', 0);');
today_link.appendChild(document.createTextNode(gettext('Today')));
var cal_link = document.createElement('a');
cal_link.setAttribute('href', 'javascript:DateTimeShortcuts.openCalendar(' + num + ');');
cal_link.id = DateTimeShortcuts.calendarLinkName + 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>
var cal_box = document.createElement('div');
cal_box.style.display = 'none';
cal_box.style.position = 'absolute';
cal_box.className = 'calendarbox module';
cal_box.setAttribute('id', DateTimeShortcuts.calendarDivName1 + num);
document.body.appendChild(cal_box);
addEvent(cal_box, 'click', cancelEventPropagation);
// next-prev links
var cal_nav = quickElement('div', cal_box);
var cal_nav_prev = quickElement('a', cal_nav, '<', 'href', 'javascript:DateTimeShortcuts.drawPrev(' + num + ');');
cal_nav_prev.className = 'calendarnav-previous';
var cal_nav_next = quickElement('a', cal_nav, '>', 'href', 'javascript:DateTimeShortcuts.drawNext(' + num + ');');
cal_nav_next.className = 'calendarnav-next';
// main box
var 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
var shortcuts = quickElement('div', cal_box);
shortcuts.className = 'calendar-shortcuts';
quickElement('a', shortcuts, gettext('Yesterday'), 'href', 'javascript:DateTimeShortcuts.handleCalendarQuickLink(' + num + ', -1);');
shortcuts.appendChild(document.createTextNode('\u00A0|\u00A0'));
quickElement('a', shortcuts, gettext('Today'), 'href', 'javascript:DateTimeShortcuts.handleCalendarQuickLink(' + num + ', 0);');
shortcuts.appendChild(document.createTextNode('\u00A0|\u00A0'));
quickElement('a', shortcuts, gettext('Tomorrow'), 'href', 'javascript:DateTimeShortcuts.handleCalendarQuickLink(' + num + ', +1);');
// cancel bar
var cancel_p = quickElement('p', cal_box);
cancel_p.className = 'calendar-cancel'; quickElement('a', cancel_p, gettext('Cancel'), 'href', 'javascript:DateTimeShortcuts.dismissCalendar(' + num + ');');
django.jQuery(document).bind('keyup', function(event) {
if (event.which === 27) {
// ESC key closes popup
DateTimeShortcuts.dismissCalendar(num);
event.preventDefault();
}
});
},
openCalendar: function(num) {
var cal_box = document.getElementById(DateTimeShortcuts.calendarDivName1 + num);
var cal_link = document.getElementById(DateTimeShortcuts.calendarLinkName + num);
var 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) {
var format = get_format('DATE_INPUT_FORMATS')[0];
var selected = inp.value.strptime(format);
var year = selected.getFullYear();
var month = selected.getMonth() + 1;
var 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 (getStyle(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
// TODO: IE returns wrong value for findPosX when in rtl mode
// (it returns as it was left aligned), needs to be fixed.
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';
addEvent(document, 'click', DateTimeShortcuts.dismissCalendarFunc[num]);
},
dismissCalendar: function(num) {
document.getElementById(DateTimeShortcuts.calendarDivName1 + num).style.display = 'none';
removeEvent(document, 'click', DateTimeShortcuts.dismissCalendarFunc[num]);
},
drawPrev: function(num) {
DateTimeShortcuts.calendars[num].drawPreviousMonth();
},
drawNext: function(num) {
DateTimeShortcuts.calendars[num].drawNextMonth();
},
handleCalendarCallback: function(num) {
var format = get_format('DATE_INPUT_FORMATS')[0];
// the format needs to be escaped a little
format = format.replace('\\', '\\\\');
format = format.replace('\r', '\\r');
format = format.replace('\n', '\\n');
format = format.replace('\t', '\\t');
format = format.replace("'", "\\'");
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';}"].join('');
},
handleCalendarQuickLink: function(num, offset) {
var 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);
}
};
addEvent(window, 'load', DateTimeShortcuts.init);
window.DateTimeShortcuts = DateTimeShortcuts;
})();