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var table_helper = { |
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BuildRequest: { |
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Run: function(tableId){ |
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var rq = {tableId: tableId}; |
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var parent = this.helper.BuildRequest; |
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parent.sort(rq); |
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parent.filter(rq); |
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return rq; |
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}, |
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sort: function(rq){ |
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var thTags = document.getElementById(rq.tableId) |
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.getElementsByTagName("thead")[0] |
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.getElementsByTagName("th"); |
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var length = thTags.length; |
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for(var i = 0; i < length; i++){ |
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var link = thTags[i].getElementsByTagName("a")[0]; |
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if(link){ |
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var span = link.getElementsByTagName("span")[0]; |
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if(span && sortBySpan(span, i)){ |
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break; |
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} |
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} |
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} |
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function sortBySpan(span, i){ |
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var order = span.innerHTML; |
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if(order.length === 1){ |
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var dSymbol = document.getElementById(rq.tableId) |
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.getAttribute('data-sort-d'); |
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rq.colNo = i; |
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rq.colOrd = order === dSymbol ? "desc" : "asc"; |
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} |
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return rq.colNo === i; |
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} |
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}, |
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filter: function(rq){ |
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var r = getFilterFieldsByTableID(rq.tableId); |
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if(r.filter !== null){ |
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rq.filter = r.filter; |
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} |
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if(r.filterBy !== null){ |
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rq.filterBy = r.filterBy; |
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} |
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45
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function getFilterFieldsByTableID(tableID){ |
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var fields = {filterBy: null, filter: null}; |
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var filterDiv = getFilterDivByTableIDOrNull(tableID); |
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if(filterDiv !== null){ |
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setFilterBy(fields, filterDiv); |
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setFilterValue(fields, filterDiv); |
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} |
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return fields; |
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54
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function getFilterDivByTableIDOrNull(tableID){ |
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if(document.getElementById(tableID).parentNode |
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.getElementsByTagName("div").length > 0 |
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){ |
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var containerDivs = document.getElementById(tableID) |
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.parentNode.getElementsByTagName("div"); |
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60
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for(var i = 0; i < containerDivs.length; i++){ |
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if(containerDivs[i].getAttribute("class") === "filter"){ |
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return containerDivs[i]; |
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63
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} |
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64
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} |
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65
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66
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} |
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67
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return null; |
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68
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} |
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69
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70
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function setFilterBy(fields, filterDiv){ |
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var select = filterDiv.getElementsByTagName("select")[0]; |
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if(select && |
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73
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select.options[select.selectedIndex].value !== "all" |
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74
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){ |
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75
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fields.filterBy = select.options[select.selectedIndex].value; |
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} |
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} |
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function setFilterValue(fields, filterDiv){ |
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var textObj = filterDiv.getElementsByTagName("input")[0]; |
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80
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if(textObj && textObj.value && textObj.value.length !== 0){ |
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fields.filter = encodeURIComponent(textObj.value.trim()); |
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} |
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83
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} |
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84
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} |
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85
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} |
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86
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}, |
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87
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IePrior: function(v){ |
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88
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var rv = false; |
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89
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if(window.navigator.appName === 'Microsoft Internet Explorer'){ |
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90
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var ua = window.navigator.userAgent; |
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91
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var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})"); |
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92
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if(re.exec(ua) !== null){ |
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93
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rv = parseFloat(RegExp.$1); |
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94
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} |
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95
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rv = rv < v ? true : false; |
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96
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} |
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97
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return rv; |
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98
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}, |
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99
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GetParent: function(obj, objType){ |
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100
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while(obj && obj.tagName !== objType.toUpperCase()){ |
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101
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obj = obj.parentNode; |
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102
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} |
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103
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return obj; |
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104
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}, |
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105
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ProcessPaginationLinks: function(tfoot){ |
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106
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var pLinks = tfoot.querySelectorAll(".paging a"); |
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107
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if(pLinks.length > 0){ |
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108
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for(var j = 0; j < pLinks.length; j++){ |
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109
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pLinks[j].setAttribute("href", "javascript:void(0);"); |
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110
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pLinks[j].setAttribute("onclick", "return table.GoPage(this);"); |
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111
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} |
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112
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} |
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113
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}, |
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114
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RequestToUrl: function(rq){ |
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115
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var url = location.pathname + ".json" + location.search; |
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116
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var getUrlVarName = { |
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117
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colNo: "col", colOrd: "ord", filter: "filter", |
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118
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filterBy: "filter-by", pageNo: "pg", exportType: "export", |
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119
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tableId: "table-id" |
|
120
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}; |
|
121
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var flagFirst = location.search.length < 1 ? true : false; |
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122
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for(var r in rq){ |
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123
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var clue = flagFirst === true ? "?" : "&"; |
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124
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url += clue + getUrlVarName[r] + "=" + rq[r]; |
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125
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flagFirst = false; |
|
126
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} |
|
127
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return url; |
|
128
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} |
|
129
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|
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}; |
|
130
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When iterating over the keys of an object, this includes not only the keys of the object, but also keys contained in the prototype of that object. It is generally a best practice to check for these keys specifically: