core.js
170 lines
| 5.6 KiB
| application/javascript
|
JavascriptLexer
|
r367 | // Core JavaScript helper functions | ||
'use strict'; | ||||
r338 | ||||
// quickElement(tagType, parentReference [, textInChildNode, attribute, attributeValue ...]); | ||||
function quickElement() { | ||||
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r367 | const obj = document.createElement(arguments[0]); | ||
r338 | if (arguments[2]) { | |||
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r367 | const textNode = document.createTextNode(arguments[2]); | ||
r338 | obj.appendChild(textNode); | |||
} | ||||
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r367 | const len = arguments.length; | ||
for (let i = 3; i < len; i += 2) { | ||||
r338 | obj.setAttribute(arguments[i], arguments[i + 1]); | |||
} | ||||
arguments[1].appendChild(obj); | ||||
return obj; | ||||
} | ||||
// "a" is reference to an object | ||||
function removeChildren(a) { | ||||
while (a.hasChildNodes()) { | ||||
a.removeChild(a.lastChild); | ||||
} | ||||
} | ||||
// ---------------------------------------------------------------------------- | ||||
// Find-position functions by PPK | ||||
// See https://www.quirksmode.org/js/findpos.html | ||||
// ---------------------------------------------------------------------------- | ||||
function findPosX(obj) { | ||||
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r367 | let curleft = 0; | ||
r338 | if (obj.offsetParent) { | |||
while (obj.offsetParent) { | ||||
curleft += obj.offsetLeft - obj.scrollLeft; | ||||
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r367 | obj = obj.offsetParent; | ||
r338 | } | |||
} else if (obj.x) { | ||||
curleft += obj.x; | ||||
} | ||||
return curleft; | ||||
} | ||||
function findPosY(obj) { | ||||
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r367 | let curtop = 0; | ||
r338 | if (obj.offsetParent) { | |||
while (obj.offsetParent) { | ||||
curtop += obj.offsetTop - obj.scrollTop; | ||||
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r367 | obj = obj.offsetParent; | ||
r338 | } | |||
} else if (obj.y) { | ||||
curtop += obj.y; | ||||
} | ||||
return curtop; | ||||
} | ||||
//----------------------------------------------------------------------------- | ||||
// Date object extensions | ||||
// ---------------------------------------------------------------------------- | ||||
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r367 | { | ||
r338 | Date.prototype.getTwelveHours = function() { | |||
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r367 | return this.getHours() % 12 || 12; | ||
r338 | }; | |||
Date.prototype.getTwoDigitMonth = function() { | ||||
return (this.getMonth() < 9) ? '0' + (this.getMonth() + 1) : (this.getMonth() + 1); | ||||
}; | ||||
Date.prototype.getTwoDigitDate = function() { | ||||
return (this.getDate() < 10) ? '0' + this.getDate() : this.getDate(); | ||||
}; | ||||
Date.prototype.getTwoDigitTwelveHour = function() { | ||||
return (this.getTwelveHours() < 10) ? '0' + this.getTwelveHours() : this.getTwelveHours(); | ||||
}; | ||||
Date.prototype.getTwoDigitHour = function() { | ||||
return (this.getHours() < 10) ? '0' + this.getHours() : this.getHours(); | ||||
}; | ||||
Date.prototype.getTwoDigitMinute = function() { | ||||
return (this.getMinutes() < 10) ? '0' + this.getMinutes() : this.getMinutes(); | ||||
}; | ||||
Date.prototype.getTwoDigitSecond = function() { | ||||
return (this.getSeconds() < 10) ? '0' + this.getSeconds() : this.getSeconds(); | ||||
}; | ||||
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r367 | Date.prototype.getAbbrevMonthName = function() { | ||
return typeof window.CalendarNamespace === "undefined" | ||||
? this.getTwoDigitMonth() | ||||
: window.CalendarNamespace.monthsOfYearAbbrev[this.getMonth()]; | ||||
r338 | }; | |||
Date.prototype.getFullMonthName = function() { | ||||
return typeof window.CalendarNamespace === "undefined" | ||||
? this.getTwoDigitMonth() | ||||
: window.CalendarNamespace.monthsOfYear[this.getMonth()]; | ||||
}; | ||||
Date.prototype.strftime = function(format) { | ||||
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r367 | const fields = { | ||
b: this.getAbbrevMonthName(), | ||||
r338 | B: this.getFullMonthName(), | |||
c: this.toString(), | ||||
d: this.getTwoDigitDate(), | ||||
H: this.getTwoDigitHour(), | ||||
I: this.getTwoDigitTwelveHour(), | ||||
m: this.getTwoDigitMonth(), | ||||
M: this.getTwoDigitMinute(), | ||||
p: (this.getHours() >= 12) ? 'PM' : 'AM', | ||||
S: this.getTwoDigitSecond(), | ||||
w: '0' + this.getDay(), | ||||
x: this.toLocaleDateString(), | ||||
X: this.toLocaleTimeString(), | ||||
y: ('' + this.getFullYear()).substr(2, 4), | ||||
Y: '' + this.getFullYear(), | ||||
'%': '%' | ||||
}; | ||||
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r367 | let result = '', i = 0; | ||
r338 | while (i < format.length) { | |||
if (format.charAt(i) === '%') { | ||||
result = result + fields[format.charAt(i + 1)]; | ||||
++i; | ||||
} | ||||
else { | ||||
result = result + format.charAt(i); | ||||
} | ||||
++i; | ||||
} | ||||
return result; | ||||
}; | ||||
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r367 | // ---------------------------------------------------------------------------- | ||
// String object extensions | ||||
// ---------------------------------------------------------------------------- | ||||
r338 | String.prototype.strptime = function(format) { | |||
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r367 | const split_format = format.split(/[.\-/]/); | ||
const date = this.split(/[.\-/]/); | ||||
let i = 0; | ||||
let day, month, year; | ||||
r338 | while (i < split_format.length) { | |||
switch (split_format[i]) { | ||||
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r367 | case "%d": | ||
day = date[i]; | ||||
break; | ||||
case "%m": | ||||
month = date[i] - 1; | ||||
break; | ||||
case "%Y": | ||||
year = date[i]; | ||||
break; | ||||
case "%y": | ||||
// A %y value in the range of [00, 68] is in the current | ||||
// century, while [69, 99] is in the previous century, | ||||
// according to the Open Group Specification. | ||||
if (parseInt(date[i], 10) >= 69) { | ||||
r338 | year = date[i]; | |||
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r367 | } else { | ||
year = (new Date(Date.UTC(date[i], 0))).getUTCFullYear() + 100; | ||||
} | ||||
break; | ||||
r338 | } | |||
++i; | ||||
} | ||||
// Create Date object from UTC since the parsed value is supposed to be | ||||
// in UTC, not local time. Also, the calendar uses UTC functions for | ||||
// date extraction. | ||||
return new Date(Date.UTC(year, month, day)); | ||||
}; | ||||
} | ||||