table.js ➔ initInstance - Code Metrics - Inspection of "table::Draw() -> TableHelper" - webdivane/table - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Branch — master (d1850b)

by Plamen

created 2019-03-11 07:56 UTC

table.js ➔ initInstance B

↳ Parent: TableSingleton.constructor

Complexity

Conditions	1
Paths	24

Size

Total Lines	105
Code Lines	84

Duplication

Lines	0
Ratio	0 %

Importance

Changes	20
Bugs	0	Features	0

Metric	Value
cc	1
eloc	84
c	20
b	0
f	0
nc	24
nop	0
dl	0
loc	105
rs	7.5236

How to fix Long Method

var TableHelper = {
    BuildRequest: {
        Sort: function (rq, strDesc){
            function sortBySpan(span, i){
                var order = span.innerHTML;
                if(order.length === 1){
                    rq.colNo = i;
                    rq.colOrd = order === strDesc ? "desc" : "asc";
                }
                return rq.colNo === i;
            }

            var thTags = document.getElementById(rq.tableId)
                    .getElementsByTagName("thead")[0]
                    .getElementsByTagName("th");
            var length = thTags.length;
            for(var i = 0; i < length; i++){
                var link = thTags[i].getElementsByTagName("a")[0];
                if(link){
                    var span = link.getElementsByTagName("span")[0];
                    if(span && sortBySpan(span, i)){
                        break;
                    }
                }
            }
        },
    Filter: function (rq){
            function getFilterFieldsByTableID(tableID){
                var fields = {filterBy: null, filter: null};
                var filterDiv = getFilterDivByTableIDOrNull(tableID);
                if(filterDiv !== null){
                    setFilterBy(fields, filterDiv);
                    setFilterValue(fields, filterDiv);
                }
                return fields;
            }
            function getFilterDivByTableIDOrNull(tableID){
                var res = null;
                if(document.getElementById(tableID).parentNode.getElementsByTagName("div").length > 0){
                    for(var i = 0; i < document.getElementById(tableID).parentNode.getElementsByTagName("div").length; i++){
                        if(document.getElementById(tableID).parentNode.getElementsByTagName("div")[i].getAttribute("class") === "filter"){
                            return document.getElementById(tableID).parentNode.getElementsByTagName("div")[i];
                        }
                    }

                }
                return res;
            }
            function setFilterBy(fields, filterDiv){
                var slctObj = filterDiv.getElementsByTagName("select")[0];
                if(slctObj && slctObj.options[slctObj.selectedIndex].value !== "all"){
                    fields.filterBy = slctObj.options[slctObj.selectedIndex].value;
                }
            }
            function setFilterValue(fields, filterDiv){
                var textObj = filterDiv.getElementsByTagName("input")[0];
                if(textObj && textObj.value && textObj.value.length !== 0){
                    fields.filter = encodeURIComponent(textObj.value.trim());
                }
            }

            var r = getFilterFieldsByTableID(rq.tableId);
            if(r.filter !== null){
                rq.filter = r.filter;
            }
            if(r.filterBy !== null){
                rq.filterBy = r.filterBy;
            }
        }
    },
    ColumnHover: function(tableContainer, index){
        var rows = document.getElementById(tableContainer).rows;
        var upto = rows.length - 1;
        if(typeof index === "undefined"){
            ColumnHoverRelease(rows, upto);
        } else {
            for(var i = 0; i < upto; i++){
                rows[i].cells[index].setAttribute("lang", "col-hover");
            }
        }
        function ColumnHoverRelease(rows, upto){
            for(var i = 0; i < upto; i++){
                for(var j = 0; j < rows[i].cells.length; j++){
                    if(rows[i].cells[j].lang){
                        rows[i].cells[j].removeAttribute("lang");
                    }
                }
            }
        };
    },
    Draw: function(tableContainer, d, instance){
        section(tableContainer, d.body);
        section(tableContainer, d.footer, "tfoot");
        if(instance.rq !== null){
            var hover = document.getElementById(instance.rq.tableId)
                        .getElementsByTagName("th")[instance.rq.colNo].lang;
            if(hover){
                instance.ColumnHover(tableContainer, instance.rq.colNo);
            }
        }
        function section(tableContainer, dt, tSection){
            var section = tSection === "tfoot" ? "tfoot" : "tbody";
            var tSec = document.getElementById(tableContainer)
                        .getElementsByTagName(section)[0];
            Clear(tSec, TableHelper.IePrior(9));
            for(var i = 0; i < dt.length; i++){
                var row = dt[i];
                var tRow = document.createElement("tr");
                Row(row, tRow);
                tSec.appendChild(tRow);
                if(section === "tfoot"){
                    TableHelper.ProcessPaginationLinks(tSec);
                }
            }
            function Clear(tSection, iePrior9){
                if(iePrior9){
                    if(tSection.firstChild){
                        while(tSection.firstChild){
                            tSection.removeChild(tSection.firstChild);
                        }
                    }
                }else{
                    tSection.innerHTML = "";
                }
            }
            function Row(row, tRow){
                for(var cell in row){
var someObject;
for (var key in someObject) {
    if ( ! someObject.hasOwnProperty(key)) {
        continue; // Skip keys from the prototype.
    }

    doSomethingWith(key);
}
                    var tCell = document.createElement("td");
                    if(typeof row[cell] === "string" || typeof row[cell] === "number"){
                        tCell.innerHTML = row[cell];
                    }else if(typeof row[cell] === "object"){
                        RowCellFromObject(row, cell, tCell);
                    }
                    tRow.appendChild(tCell);
                }
            }
            function RowCellFromObject(row, cell, tCell){
                for(var attr in row[cell]){
var someObject;
for (var key in someObject) {
    if ( ! someObject.hasOwnProperty(key)) {
        continue; // Skip keys from the prototype.
    }

    doSomethingWith(key);
}
                    if(typeof row[cell][attr] === "string"){
                        tCell.innerHTML = row[cell][attr];
                    }else if(typeof row[cell][attr] === "object"){
                        for(var v in row[cell][attr]){
var someObject;
for (var key in someObject) {
    if ( ! someObject.hasOwnProperty(key)) {
        continue; // Skip keys from the prototype.
    }

    doSomethingWith(key);
}
                            tCell.setAttribute(v, row[cell][attr][v]);
                        }
                    }
                }
            }
        }
    },
    Filter: {
        GetTableId: function(field){
            if(field.tagName.toLowerCase() !== "select"){
                return field.getAttribute("data-table-id");
            }
            var f = field.parentNode.parentNode.getElementsByTagName("input")[0];
            return '' === f.value ? null : f.getAttribute("data-table-id");
        }
    },
    Init: {
        SetColumnsHoverEffect: function (tContainer, tableId){
            var tHcells = tContainer.rows[0].cells;
            for(var i = 0; i < tHcells.length; i++){
                if(tHcells[i].firstChild.tagName === "A"){
                    tHcells[i].firstChild.setAttribute("onmouseover", "table.ColumnHover('" + tableId + "'," + i + ");");
                    tHcells[i].firstChild.setAttribute("onmouseout", "table.ColumnHover('" + tableId + "');");
                }
            }
        }
    },
    GoPage: {
        GetNo: function(lnk, tableId){
            //check & serve pagination jump links
            var jumpDir = lnk.innerHTML.trim().substr(0, 1);
            if(jumpDir === "+" || jumpDir === "-"){
                var current = document.getElementById(tableId)
                                .querySelector("tfoot .paging .a").innerHTML;
                var jump = lnk.innerHTML.replace("K", "000").replace("M", "000000000");
                var jumpPage = (parseInt(current) + parseInt(jump));
                lnk.parentNode.setAttribute("data-page", jumpPage);
                lnk.style.transform = "none";
            }
            return lnk.parentNode.hasAttribute("data-page") ?
                    lnk.parentNode.getAttribute("data-page") :
                    lnk.innerHTML;
        }
    },
    LoadData: {
        SetVisability: function(tableContainer, flag){
            var tbl = document.getElementById(tableContainer);
            if(flag === true){
                tbl.style.filter = "none";
                tbl.style.opacity = "1";
                tbl.style.cursor = "auto";
            }else if(flag === false){
                tbl.style.filter = "blur(1px)";
                tbl.style.opacity = "0.8";
                tbl.style.cursor = "wait";
            }else{
                console.error("table error in the flag value");
            }
        }
    },

    IePrior: function(v){
        var rv = false;
        if(window.navigator.appName === 'Microsoft Internet Explorer'){
            var ua = window.navigator.userAgent;
            var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
            if(re.exec(ua) !== null){
                rv = parseFloat(RegExp.$1);
            }
            rv = rv < v ? true : false;
        }
        return rv;
    },
    GetParent: function(obj, objType){
        while(obj && obj.tagName !== objType.toUpperCase()){
            obj = obj.parentNode;
        }
        return obj;
    },
    ProcessPaginationLinks: function(tfoot){
        var pLinks = tfoot.querySelectorAll(".paging a");
        if(pLinks.length > 0){
            for(var j = 0; j < pLinks.length; j++){
                pLinks[j].setAttribute("href", "javascript:void(0);");
                pLinks[j].setAttribute("onclick", "return table.GoPage(this);");
            }
        }
    },
    RequestToUrl: function(rq){
        var url = location.pathname + ".json" + location.search;
        if(typeof rq === "object"){
            var getUrlVarName = {
                colNo: "col", colOrd: "ord", filter: "filter",
                filterBy: "filter-by", pageNo: "pg", exportType: "export",
                tableId: "table-id"
            };
            var flagFirst = location.search.length < 1 ? true : false;
            for(var r in rq){
var someObject;
for (var key in someObject) {
    if ( ! someObject.hasOwnProperty(key)) {
        continue; // Skip keys from the prototype.
    }

    doSomethingWith(key);
}
                var clue = flagFirst === true ? "?" : "&";
                url += clue + getUrlVarName[r] + "=" + rq[r];
                flagFirst = false;
            }
        }
        return url;
    }
};

//https://addyosmani.com/resources/essentialjsdesignpatterns/book/#singletonpatternjavascript
var TableSingleton = (function(){
    // Instance stores a reference to the Singleton
    var instance;
    function initInstance(){
        // Singleton
        // Private methods and variables
        function BuildRequest(rq, crntTableId, strDesc){
            rq.tableId = crntTableId;
            TableHelper.BuildRequest.Sort(rq, strDesc);
            TableHelper.BuildRequest.Filter(rq);
        };
        var tail = null;
        function LoadData(tableContainer, rq){
            if(tail!==null){ tail.abort();}
            TableHelper.LoadData.SetVisability(tableContainer, false);
            var xmlhttp = window.XMLHttpRequest ? 
                            new XMLHttpRequest() : /* code for IE7+, Firefox, Chrome, Opera, Safari */
                            new window.ActiveXObject("Microsoft.XMLHTTP");/*code for IE6, IE5 */
            xmlhttp.onreadystatechange = function(){
                if(xmlhttp.readyState === 4 && xmlhttp.status === 200){
                    var d = JSON.parse(xmlhttp.responseText);
                    TableHelper.Draw(tableContainer, d, instance);
                    TableHelper.LoadData.SetVisability(tableContainer, true);
                    instance.LoadEndCalback(tableContainer);
                }
            };
            xmlhttp.open("GET", RequestToUrl(rq), true);
            xmlhttp.send();
            tail = xmlhttp; //put at tail to can abort later any previous
        }
        function ReloadData(tableId){
            var request = {};
            BuildRequest(request, tableId, this.strDesc);
            LoadData(tableId, request);
        }

        var GoPageGetNo = TableHelper.GoPage.GetNo;
        var getParent = TableHelper.GetParent;
        var RequestToUrl = TableHelper.RequestToUrl;

        return {
            rq: null,
            strAsc: String.fromCharCode(9650), //&#9650;
            strDesc: String.fromCharCode(9660),//&#9660; 
            ColumnHover: TableHelper.ColumnHover, //function(tableContainer, index)
            Export: function(lnk, eType){
                var request = {};
                var crntTableId = getParent(lnk, "table").getAttribute("id");
                BuildRequest(request, crntTableId, this.strDesc);
                request.exportType = ["CSV", "Excel"].indexOf(eType) >= 0 ?
                                        eType : 
                                        "csv";
                window.open(RequestToUrl(request));
                return false;
            },
            Filter: function(field){
                var crntTableId = TableHelper.Filter.GetTableId(field);
                if(crntTableId !== null){
                    var request = {};
                    var exRq = this.rq;
                    BuildRequest(request, crntTableId, this.strDesc);
                    if(exRq === null ||
                        request.filter !== exRq.filter ||
                        request.filterBy !== exRq.filterBy
                    ){
                        LoadData(crntTableId, request);
                    }
                }
            },
            GoPage: function(lnk){
                var request = {};
                var crntTableId = getParent(lnk, "table").getAttribute("id");
                BuildRequest(request, crntTableId, this.strDesc);
                request.pageNo = GoPageGetNo(lnk, crntTableId);
                LoadData(crntTableId, request);
                return false;
            },
            init: function (tableId){
                var tContainer = document.getElementById(tableId);
                if(!TableHelper.IePrior(9)){
                    TableHelper.Init.SetColumnsHoverEffect(tContainer, tableId);
                }
                var tfoot = tContainer.getElementsByTagName("tfoot")[0];
                TableHelper.ProcessPaginationLinks(tfoot);
            },
            LoadEndCalback: function(){},/*Allows override: function(tableId){if(tableId){...}}*/
            ReloadData: ReloadData,
            Sort: function(colNo, lnk){
                var request = {};
                var crntTableId = getParent(lnk, "table").getAttribute("id");
                BuildRequest(request, crntTableId, this.strDesc);
                if(Math.round(colNo) === request.colNo){
                    request.colOrd = (request.colOrd === "asc" ? "desc" : "asc");
                }else{
                    request.colNo = Math.round(colNo);
                    request.colOrd = "asc";
                }
                LoadData(crntTableId, request);
                /* Clear and add new sort arrow */
                var headSpans = getParent(lnk, "thead").getElementsByTagName("span");
                var length = headSpans.length;
                for(var i = 0; i < length; i++){
                    headSpans[i].innerHTML = "";
                }
                lnk.getElementsByTagName("span")[0].innerHTML = (request.colOrd === "desc" ? this.strDesc : this.strAsc);
            }
        };
    }
    return {
        //Get the Singleton instance if one exists, or create one if it doesn't
        getInstance: function(){
            if(!instance){
                instance = initInstance();
            }
            return instance;
        }
    };
})();
var table = TableSingleton.getInstance();


1			var TableHelper = {
2			BuildRequest: {
3			Sort: function (rq, strDesc){
4			function sortBySpan(span, i){
5			var order = span.innerHTML;
6			if(order.length === 1){
7			rq.colNo = i;
8			rq.colOrd = order === strDesc ? "desc" : "asc";
9			}
10			return rq.colNo === i;
11			}
12
13			var thTags = document.getElementById(rq.tableId)
14			.getElementsByTagName("thead")[0]
15			.getElementsByTagName("th");
16			var length = thTags.length;
17			for(var i = 0; i < length; i++){
18			var link = thTags[i].getElementsByTagName("a")[0];
19			if(link){
20			var span = link.getElementsByTagName("span")[0];
21			if(span && sortBySpan(span, i)){
22			break;
23			}
24			}
25			}
26			},
27			Filter: function (rq){
28			function getFilterFieldsByTableID(tableID){
29			var fields = {filterBy: null, filter: null};
30			var filterDiv = getFilterDivByTableIDOrNull(tableID);
31			if(filterDiv !== null){
32			setFilterBy(fields, filterDiv);
33			setFilterValue(fields, filterDiv);
34			}
35			return fields;
36			}
37			function getFilterDivByTableIDOrNull(tableID){
38			var res = null;
39			if(document.getElementById(tableID).parentNode.getElementsByTagName("div").length > 0){
40			for(var i = 0; i < document.getElementById(tableID).parentNode.getElementsByTagName("div").length; i++){
41			if(document.getElementById(tableID).parentNode.getElementsByTagName("div")[i].getAttribute("class") === "filter"){
42			return document.getElementById(tableID).parentNode.getElementsByTagName("div")[i];
43			}
44			}
45
46			}
47			return res;
48			}
49			function setFilterBy(fields, filterDiv){
50			var slctObj = filterDiv.getElementsByTagName("select")[0];
51			if(slctObj && slctObj.options[slctObj.selectedIndex].value !== "all"){
52			fields.filterBy = slctObj.options[slctObj.selectedIndex].value;
53			}
54			}
55			function setFilterValue(fields, filterDiv){
56			var textObj = filterDiv.getElementsByTagName("input")[0];
57			if(textObj && textObj.value && textObj.value.length !== 0){
58			fields.filter = encodeURIComponent(textObj.value.trim());
59			}
60			}
61
62			var r = getFilterFieldsByTableID(rq.tableId);
63			if(r.filter !== null){
64			rq.filter = r.filter;
65			}
66			if(r.filterBy !== null){
67			rq.filterBy = r.filterBy;
68			}
69			}
70			},
71			ColumnHover: function(tableContainer, index){
72			var rows = document.getElementById(tableContainer).rows;
73			var upto = rows.length - 1;
74			if(typeof index === "undefined"){
75			ColumnHoverRelease(rows, upto);
76			} else {
77			for(var i = 0; i < upto; i++){
78			rows[i].cells[index].setAttribute("lang", "col-hover");
79			}
80			}
81			function ColumnHoverRelease(rows, upto){
82			for(var i = 0; i < upto; i++){
83			for(var j = 0; j < rows[i].cells.length; j++){
84			if(rows[i].cells[j].lang){
85			rows[i].cells[j].removeAttribute("lang");
86			}
87			}
88			}
89			};
90			},
91			Draw: function(tableContainer, d, instance){
92			section(tableContainer, d.body);
93			section(tableContainer, d.footer, "tfoot");
94			if(instance.rq !== null){
95			var hover = document.getElementById(instance.rq.tableId)
96			.getElementsByTagName("th")[instance.rq.colNo].lang;
97			if(hover){
98			instance.ColumnHover(tableContainer, instance.rq.colNo);
99			}
100			}
101			function section(tableContainer, dt, tSection){
102			var section = tSection === "tfoot" ? "tfoot" : "tbody";
103			var tSec = document.getElementById(tableContainer)
104			.getElementsByTagName(section)[0];
105			Clear(tSec, TableHelper.IePrior(9));
106			for(var i = 0; i < dt.length; i++){
107			var row = dt[i];
108			var tRow = document.createElement("tr");
109			Row(row, tRow);
110			tSec.appendChild(tRow);
111			if(section === "tfoot"){
112			TableHelper.ProcessPaginationLinks(tSec);
113			}
114			}
115			function Clear(tSection, iePrior9){
116			if(iePrior9){
117			if(tSection.firstChild){
118			while(tSection.firstChild){
119			tSection.removeChild(tSection.firstChild);
120			}
121			}
122			}else{
123			tSection.innerHTML = "";
124			}
125			}
126			function Row(row, tRow){
127			for(var cell in row){
			1 ignored issue – show Complexity introduced 2019-03-04 18:06 UTC by Report Bug Copy Issue Report A for in loop automatically includes the property of any prototype object, consider checking the key using `hasOwnProperty`. 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: var someObject; for (var key in someObject) { if ( ! someObject.hasOwnProperty(key)) { continue; // Skip keys from the prototype. } doSomethingWith(key); } Loading history...
128			var tCell = document.createElement("td");
129			if(typeof row[cell] === "string" \|\| typeof row[cell] === "number"){
130			tCell.innerHTML = row[cell];
131			}else if(typeof row[cell] === "object"){
132			RowCellFromObject(row, cell, tCell);
133			}
134			tRow.appendChild(tCell);
135			}
136			}
137			function RowCellFromObject(row, cell, tCell){
138			for(var attr in row[cell]){
			1 ignored issue – show Complexity introduced 2019-03-04 18:06 UTC by Report Bug Copy Issue Report A for in loop automatically includes the property of any prototype object, consider checking the key using `hasOwnProperty`. 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: var someObject; for (var key in someObject) { if ( ! someObject.hasOwnProperty(key)) { continue; // Skip keys from the prototype. } doSomethingWith(key); } Loading history...
139			if(typeof row[cell][attr] === "string"){
140			tCell.innerHTML = row[cell][attr];
141			}else if(typeof row[cell][attr] === "object"){
142			for(var v in row[cell][attr]){
			1 ignored issue – show Complexity introduced 2019-03-04 18:06 UTC by Report Bug Copy Issue Report A for in loop automatically includes the property of any prototype object, consider checking the key using `hasOwnProperty`. 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: var someObject; for (var key in someObject) { if ( ! someObject.hasOwnProperty(key)) { continue; // Skip keys from the prototype. } doSomethingWith(key); } Loading history...
143			tCell.setAttribute(v, row[cell][attr][v]);
144			}
145			}
146			}
147			}
148			}
149			},
150			Filter: {
151			GetTableId: function(field){
152			if(field.tagName.toLowerCase() !== "select"){
153			return field.getAttribute("data-table-id");
154			}
155			var f = field.parentNode.parentNode.getElementsByTagName("input")[0];
156			return '' === f.value ? null : f.getAttribute("data-table-id");
157			}
158			},
159			Init: {
160			SetColumnsHoverEffect: function (tContainer, tableId){
161			var tHcells = tContainer.rows[0].cells;
162			for(var i = 0; i < tHcells.length; i++){
163			if(tHcells[i].firstChild.tagName === "A"){
164			tHcells[i].firstChild.setAttribute("onmouseover", "table.ColumnHover('" + tableId + "'," + i + ");");
165			tHcells[i].firstChild.setAttribute("onmouseout", "table.ColumnHover('" + tableId + "');");
166			}
167			}
168			}
169			},
170			GoPage: {
171			GetNo: function(lnk, tableId){
172			//check & serve pagination jump links
173			var jumpDir = lnk.innerHTML.trim().substr(0, 1);
174			if(jumpDir === "+" \|\| jumpDir === "-"){
175			var current = document.getElementById(tableId)
176			.querySelector("tfoot .paging .a").innerHTML;
177			var jump = lnk.innerHTML.replace("K", "000").replace("M", "000000000");
178			var jumpPage = (parseInt(current) + parseInt(jump));
179			lnk.parentNode.setAttribute("data-page", jumpPage);
180			lnk.style.transform = "none";
181			}
182			return lnk.parentNode.hasAttribute("data-page") ?
183			lnk.parentNode.getAttribute("data-page") :
184			lnk.innerHTML;
185			}
186			},
187			LoadData: {
188			SetVisability: function(tableContainer, flag){
189			var tbl = document.getElementById(tableContainer);
190			if(flag === true){
191			tbl.style.filter = "none";
192			tbl.style.opacity = "1";
193			tbl.style.cursor = "auto";
194			}else if(flag === false){
195			tbl.style.filter = "blur(1px)";
196			tbl.style.opacity = "0.8";
197			tbl.style.cursor = "wait";
198			}else{
199			console.error("table error in the flag value");
200			}
201			}
202			},
203
204			IePrior: function(v){
205			var rv = false;
206			if(window.navigator.appName === 'Microsoft Internet Explorer'){
207			var ua = window.navigator.userAgent;
208			var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
209			if(re.exec(ua) !== null){
210			rv = parseFloat(RegExp.$1);
211			}
212			rv = rv < v ? true : false;
213			}
214			return rv;
215			},
216			GetParent: function(obj, objType){
217			while(obj && obj.tagName !== objType.toUpperCase()){
218			obj = obj.parentNode;
219			}
220			return obj;
221			},
222			ProcessPaginationLinks: function(tfoot){
223			var pLinks = tfoot.querySelectorAll(".paging a");
224			if(pLinks.length > 0){
225			for(var j = 0; j < pLinks.length; j++){
226			pLinks[j].setAttribute("href", "javascript:void(0);");
227			pLinks[j].setAttribute("onclick", "return table.GoPage(this);");
228			}
229			}
230			},
231			RequestToUrl: function(rq){
232			var url = location.pathname + ".json" + location.search;
233			if(typeof rq === "object"){
234			var getUrlVarName = {
235			colNo: "col", colOrd: "ord", filter: "filter",
236			filterBy: "filter-by", pageNo: "pg", exportType: "export",
237			tableId: "table-id"
238			};
239			var flagFirst = location.search.length < 1 ? true : false;
240			for(var r in rq){
			1 ignored issue – show Complexity introduced 2019-03-01 08:47 UTC by Report Bug Copy Issue Report A for in loop automatically includes the property of any prototype object, consider checking the key using `hasOwnProperty`. 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: var someObject; for (var key in someObject) { if ( ! someObject.hasOwnProperty(key)) { continue; // Skip keys from the prototype. } doSomethingWith(key); } Loading history...
241			var clue = flagFirst === true ? "?" : "&";
242			url += clue + getUrlVarName[r] + "=" + rq[r];
243			flagFirst = false;
244			}
245			}
246			return url;
247			}
248			};
249
250			//https://addyosmani.com/resources/essentialjsdesignpatterns/book/#singletonpatternjavascript
251			var TableSingleton = (function(){
252			// Instance stores a reference to the Singleton
253			var instance;
254			function initInstance(){
255			// Singleton
256			// Private methods and variables
257			function BuildRequest(rq, crntTableId, strDesc){
258			rq.tableId = crntTableId;
259			TableHelper.BuildRequest.Sort(rq, strDesc);
260			TableHelper.BuildRequest.Filter(rq);
261			};
262			var tail = null;
263			function LoadData(tableContainer, rq){
264			if(tail!==null){ tail.abort();}
265			TableHelper.LoadData.SetVisability(tableContainer, false);
266			var xmlhttp = window.XMLHttpRequest ?
267			new XMLHttpRequest() : /* code for IE7+, Firefox, Chrome, Opera, Safari */
268			new window.ActiveXObject("Microsoft.XMLHTTP");/code for IE6, IE5 /
269			xmlhttp.onreadystatechange = function(){
270			if(xmlhttp.readyState === 4 && xmlhttp.status === 200){
271			var d = JSON.parse(xmlhttp.responseText);
272			TableHelper.Draw(tableContainer, d, instance);
273			TableHelper.LoadData.SetVisability(tableContainer, true);
274			instance.LoadEndCalback(tableContainer);
275			}
276			};
277			xmlhttp.open("GET", RequestToUrl(rq), true);
278			xmlhttp.send();
279			tail = xmlhttp; //put at tail to can abort later any previous
280			}
281			function ReloadData(tableId){
282			var request = {};
283			BuildRequest(request, tableId, this.strDesc);
284			LoadData(tableId, request);
285			}
286
287			var GoPageGetNo = TableHelper.GoPage.GetNo;
288			var getParent = TableHelper.GetParent;
289			var RequestToUrl = TableHelper.RequestToUrl;
290
291			return {
292			rq: null,
293			strAsc: String.fromCharCode(9650), //▲
294			strDesc: String.fromCharCode(9660),//▼
295			ColumnHover: TableHelper.ColumnHover, //function(tableContainer, index)
296			Export: function(lnk, eType){
297			var request = {};
298			var crntTableId = getParent(lnk, "table").getAttribute("id");
299			BuildRequest(request, crntTableId, this.strDesc);
300			request.exportType = ["CSV", "Excel"].indexOf(eType) >= 0 ?
301			eType :
302			"csv";
303			window.open(RequestToUrl(request));
304			return false;
305			},
306			Filter: function(field){
307			var crntTableId = TableHelper.Filter.GetTableId(field);
308			if(crntTableId !== null){
309			var request = {};
310			var exRq = this.rq;
311			BuildRequest(request, crntTableId, this.strDesc);
312			if(exRq === null \|\|
313			request.filter !== exRq.filter \|\|
314			request.filterBy !== exRq.filterBy
315			){
316			LoadData(crntTableId, request);
317			}
318			}
319			},
320			GoPage: function(lnk){
321			var request = {};
322			var crntTableId = getParent(lnk, "table").getAttribute("id");
323			BuildRequest(request, crntTableId, this.strDesc);
324			request.pageNo = GoPageGetNo(lnk, crntTableId);
325			LoadData(crntTableId, request);
326			return false;
327			},
328			init: function (tableId){
329			var tContainer = document.getElementById(tableId);
330			if(!TableHelper.IePrior(9)){
331			TableHelper.Init.SetColumnsHoverEffect(tContainer, tableId);
332			}
333			var tfoot = tContainer.getElementsByTagName("tfoot")[0];
334			TableHelper.ProcessPaginationLinks(tfoot);
335			},
336			LoadEndCalback: function(){},/Allows override: function(tableId){if(tableId){...}}/
337			ReloadData: ReloadData,
338			Sort: function(colNo, lnk){
339			var request = {};
340			var crntTableId = getParent(lnk, "table").getAttribute("id");
341			BuildRequest(request, crntTableId, this.strDesc);
342			if(Math.round(colNo) === request.colNo){
343			request.colOrd = (request.colOrd === "asc" ? "desc" : "asc");
344			}else{
345			request.colNo = Math.round(colNo);
346			request.colOrd = "asc";
347			}
348			LoadData(crntTableId, request);
349			/* Clear and add new sort arrow */
350			var headSpans = getParent(lnk, "thead").getElementsByTagName("span");
351			var length = headSpans.length;
352			for(var i = 0; i < length; i++){
353			headSpans[i].innerHTML = "";
354			}
355			lnk.getElementsByTagName("span")[0].innerHTML = (request.colOrd === "desc" ? this.strDesc : this.strAsc);
356			}
357			};
358			}
359			return {
360			//Get the Singleton instance if one exists, or create one if it doesn't
361			getInstance: function(){
362			if(!instance){
363			instance = initInstance();
364			}
365			return instance;
366			}
367			};
368			})();
369			var table = TableSingleton.getInstance();
370

webdivane / table

Branch — master (d1850b)

table.js ➔ initInstance B

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