author | Mario Ferraro <fadinlight@gmail.com> |
Sun, 15 Nov 2009 22:12:20 +0100 | |
changeset 3093 | d1be59b6b627 |
parent 54 | 03e267d67478 |
permissions | -rw-r--r-- |
54
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1 |
// Core javascript helper functions |
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|
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// basic browser identification & version |
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4 |
var isOpera = (navigator.userAgent.indexOf("Opera")>=0) && parseFloat(navigator.appVersion); |
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5 |
var isIE = ((document.all) && (!isOpera)) && parseFloat(navigator.appVersion.split("MSIE ")[1].split(";")[0]); |
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6 |
|
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7 |
// Cross-browser event handlers. |
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8 |
function addEvent(obj, evType, fn) { |
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9 |
if (obj.addEventListener) { |
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obj.addEventListener(evType, fn, false); |
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return true; |
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12 |
} else if (obj.attachEvent) { |
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13 |
var r = obj.attachEvent("on" + evType, fn); |
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14 |
return r; |
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15 |
} else { |
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16 |
return false; |
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} |
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18 |
} |
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19 |
|
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function removeEvent(obj, evType, fn) { |
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if (obj.removeEventListener) { |
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obj.removeEventListener(evType, fn, false); |
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23 |
return true; |
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24 |
} else if (obj.detachEvent) { |
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obj.detachEvent("on" + evType, fn); |
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26 |
return true; |
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27 |
} else { |
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return false; |
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29 |
} |
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} |
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|
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// quickElement(tagType, parentReference, textInChildNode, [, attribute, attributeValue ...]); |
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function quickElement() { |
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var obj = document.createElement(arguments[0]); |
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if (arguments[2] != '' && arguments[2] != null) { |
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var textNode = document.createTextNode(arguments[2]); |
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obj.appendChild(textNode); |
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38 |
} |
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var len = arguments.length; |
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for (var i = 3; i < len; i += 2) { |
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obj.setAttribute(arguments[i], arguments[i+1]); |
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} |
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arguments[1].appendChild(obj); |
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return obj; |
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45 |
} |
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|
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47 |
// ---------------------------------------------------------------------------- |
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// Cross-browser xmlhttp object |
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49 |
// from http://jibbering.com/2002/4/httprequest.html |
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50 |
// ---------------------------------------------------------------------------- |
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51 |
var xmlhttp; |
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52 |
/*@cc_on @*/ |
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53 |
/*@if (@_jscript_version >= 5) |
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try { |
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xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); |
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56 |
} catch (e) { |
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try { |
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xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); |
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59 |
} catch (E) { |
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60 |
xmlhttp = false; |
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61 |
} |
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62 |
} |
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@else |
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xmlhttp = false; |
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65 |
@end @*/ |
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66 |
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') { |
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67 |
xmlhttp = new XMLHttpRequest(); |
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68 |
} |
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69 |
|
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70 |
// ---------------------------------------------------------------------------- |
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71 |
// Find-position functions by PPK |
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72 |
// See http://www.quirksmode.org/js/findpos.html |
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73 |
// ---------------------------------------------------------------------------- |
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74 |
function findPosX(obj) { |
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75 |
var curleft = 0; |
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76 |
if (obj.offsetParent) { |
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77 |
while (obj.offsetParent) { |
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78 |
curleft += obj.offsetLeft - ((isOpera) ? 0 : obj.scrollLeft); |
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79 |
obj = obj.offsetParent; |
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80 |
} |
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// IE offsetParent does not include the top-level |
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82 |
if (isIE && obj.parentElement){ |
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83 |
curleft += obj.offsetLeft - obj.scrollLeft; |
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84 |
} |
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85 |
} else if (obj.x) { |
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86 |
curleft += obj.x; |
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87 |
} |
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88 |
return curleft; |
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89 |
} |
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90 |
|
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91 |
function findPosY(obj) { |
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92 |
var curtop = 0; |
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93 |
if (obj.offsetParent) { |
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while (obj.offsetParent) { |
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curtop += obj.offsetTop - ((isOpera) ? 0 : obj.scrollTop); |
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obj = obj.offsetParent; |
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97 |
} |
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// IE offsetParent does not include the top-level |
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if (isIE && obj.parentElement){ |
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100 |
curtop += obj.offsetTop - obj.scrollTop; |
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101 |
} |
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102 |
} else if (obj.y) { |
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103 |
curtop += obj.y; |
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104 |
} |
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return curtop; |
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106 |
} |
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107 |
|
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108 |
//----------------------------------------------------------------------------- |
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109 |
// Date object extensions |
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110 |
// ---------------------------------------------------------------------------- |
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111 |
Date.prototype.getCorrectYear = function() { |
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112 |
// Date.getYear() is unreliable -- |
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113 |
// see http://www.quirksmode.org/js/introdate.html#year |
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114 |
var y = this.getYear() % 100; |
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115 |
return (y < 38) ? y + 2000 : y + 1900; |
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116 |
} |
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117 |
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Date.prototype.getTwoDigitMonth = function() { |
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return (this.getMonth() < 9) ? '0' + (this.getMonth()+1) : (this.getMonth()+1); |
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120 |
} |
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Date.prototype.getTwoDigitDate = function() { |
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return (this.getDate() < 10) ? '0' + this.getDate() : this.getDate(); |
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124 |
} |
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125 |
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126 |
Date.prototype.getTwoDigitHour = function() { |
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return (this.getHours() < 10) ? '0' + this.getHours() : this.getHours(); |
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128 |
} |
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129 |
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Date.prototype.getTwoDigitMinute = function() { |
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return (this.getMinutes() < 10) ? '0' + this.getMinutes() : this.getMinutes(); |
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132 |
} |
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133 |
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Date.prototype.getTwoDigitSecond = function() { |
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return (this.getSeconds() < 10) ? '0' + this.getSeconds() : this.getSeconds(); |
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136 |
} |
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Date.prototype.getISODate = function() { |
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return this.getCorrectYear() + '-' + this.getTwoDigitMonth() + '-' + this.getTwoDigitDate(); |
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} |
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Date.prototype.getHourMinute = function() { |
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return this.getTwoDigitHour() + ':' + this.getTwoDigitMinute(); |
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144 |
} |
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Date.prototype.getHourMinuteSecond = function() { |
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return this.getTwoDigitHour() + ':' + this.getTwoDigitMinute() + ':' + this.getTwoDigitSecond(); |
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148 |
} |
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// ---------------------------------------------------------------------------- |
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// String object extensions |
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// ---------------------------------------------------------------------------- |
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String.prototype.pad_left = function(pad_length, pad_string) { |
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var new_string = this; |
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for (var i = 0; new_string.length < pad_length; i++) { |
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new_string = pad_string + new_string; |
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} |
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return new_string; |
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} |
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// ---------------------------------------------------------------------------- |
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// Get the computed style for and element |
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// ---------------------------------------------------------------------------- |
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function getStyle(oElm, strCssRule){ |
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var strValue = ""; |
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if(document.defaultView && document.defaultView.getComputedStyle){ |
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strValue = document.defaultView.getComputedStyle(oElm, "").getPropertyValue(strCssRule); |
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} |
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else if(oElm.currentStyle){ |
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strCssRule = strCssRule.replace(/\-(\w)/g, function (strMatch, p1){ |
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return p1.toUpperCase(); |
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}); |
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strValue = oElm.currentStyle[strCssRule]; |
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} |
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return strValue; |
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} |