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

Passed

Push — master ( 14095f...f67632 )

by Plamen

created 2019-03-11 08:12 UTC

table.js ➔ initInstance B

↳ Parent: TableSingleton.constructor

Complexity

Conditions	1
Paths	24

Size

Total Lines	106
Code Lines	80

Duplication

Lines	0
Ratio	0 %

Importance

Changes	21
Bugs	0	Features	1

Metric	Value
cc	1
eloc	80
c	21
b	0
f	1
nc	24
nop	0
dl	0
loc	106
rs	7.6545

How to fix Long Method

var TableHelper = {
    BuildRequest: {
        Run: function(rq, crntTableId, strDesc){
            rq.tableId = crntTableId;
            Sort(rq, strDesc);
            Filter(rq);
        },
        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: {
        Run: 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);
                }
            }
        },
        Section: function(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 BuildRequest = TableHelper.BuildRequest.Run;
        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.Run(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			Run: function(rq, crntTableId, strDesc){
4			rq.tableId = crntTableId;
5			Sort(rq, strDesc);
6			Filter(rq);
7			},
8			Sort: function (rq, strDesc){
9			function sortBySpan(span, i){
10			var order = span.innerHTML;
11			if(order.length === 1){
12			rq.colNo = i;
13			rq.colOrd = order === strDesc ? "desc" : "asc";
14			}
15			return rq.colNo === i;
16			}
17
18			var thTags = document.getElementById(rq.tableId)
19			.getElementsByTagName("thead")[0]
20			.getElementsByTagName("th");
21			var length = thTags.length;
22			for(var i = 0; i < length; i++){
23			var link = thTags[i].getElementsByTagName("a")[0];
24			if(link){
25			var span = link.getElementsByTagName("span")[0];
26			if(span && sortBySpan(span, i)){
27			break;
28			}
29			}
30			}
31			},
32			Filter: function (rq){
33			function getFilterFieldsByTableID(tableID){
34			var fields = {filterBy: null, filter: null};
35			var filterDiv = getFilterDivByTableIDOrNull(tableID);
36			if(filterDiv !== null){
37			setFilterBy(fields, filterDiv);
38			setFilterValue(fields, filterDiv);
39			}
40			return fields;
41			}
42			function getFilterDivByTableIDOrNull(tableID){
43			var res = null;
44			if(document.getElementById(tableID).parentNode.getElementsByTagName("div").length > 0){
45			for(var i = 0; i < document.getElementById(tableID).parentNode.getElementsByTagName("div").length; i++){
46			if(document.getElementById(tableID).parentNode.getElementsByTagName("div")[i].getAttribute("class") === "filter"){
47			return document.getElementById(tableID).parentNode.getElementsByTagName("div")[i];
48			}
49			}
50
51			}
52			return res;
53			}
54			function setFilterBy(fields, filterDiv){
55			var slctObj = filterDiv.getElementsByTagName("select")[0];
56			if(slctObj && slctObj.options[slctObj.selectedIndex].value !== "all"){
57			fields.filterBy = slctObj.options[slctObj.selectedIndex].value;
58			}
59			}
60			function setFilterValue(fields, filterDiv){
61			var textObj = filterDiv.getElementsByTagName("input")[0];
62			if(textObj && textObj.value && textObj.value.length !== 0){
63			fields.filter = encodeURIComponent(textObj.value.trim());
64			}
65			}
66
67			var r = getFilterFieldsByTableID(rq.tableId);
68			if(r.filter !== null){
69			rq.filter = r.filter;
70			}
71			if(r.filterBy !== null){
72			rq.filterBy = r.filterBy;
73			}
74			}
75			},
76			ColumnHover: function(tableContainer, index){
77			var rows = document.getElementById(tableContainer).rows;
78			var upto = rows.length - 1;
79			if(typeof index === "undefined"){
80			ColumnHoverRelease(rows, upto);
81			} else {
82			for(var i = 0; i < upto; i++){
83			rows[i].cells[index].setAttribute("lang", "col-hover");
84			}
85			}
86			function ColumnHoverRelease(rows, upto){
87			for(var i = 0; i < upto; i++){
88			for(var j = 0; j < rows[i].cells.length; j++){
89			if(rows[i].cells[j].lang){
90			rows[i].cells[j].removeAttribute("lang");
91			}
92			}
93			}
94			};
95			},
96			Draw: {
97			Run: function(tableContainer, d, instance){
98			Section(tableContainer, d.body);
99			Section(tableContainer, d.footer, "tfoot");
100			if(instance.rq !== null){
101			var hover = document.getElementById(instance.rq.tableId)
102			.getElementsByTagName("th")[instance.rq.colNo].lang;
103			if(hover){
104			instance.ColumnHover(tableContainer, instance.rq.colNo);
105			}
106			}
107			},
108			Section: function(tableContainer, dt, tSection){
109			var section = tSection === "tfoot" ? "tfoot" : "tbody";
110			var tSec = document.getElementById(tableContainer)
111			.getElementsByTagName(section)[0];
112			Clear(tSec, TableHelper.IePrior(9));
113			for(var i = 0; i < dt.length; i++){
114			var row = dt[i];
115			var tRow = document.createElement("tr");
116			Row(row, tRow);
117			tSec.appendChild(tRow);
118			if(section === "tfoot"){
119			TableHelper.ProcessPaginationLinks(tSec);
120			}
121			}
122			function Clear(tSection, iePrior9){
123			if(iePrior9){
124			if(tSection.firstChild){
125			while(tSection.firstChild){
126			tSection.removeChild(tSection.firstChild);
127			}
128			}
129			}else{
130			tSection.innerHTML = "";
131			}
132			}
133			function Row(row, tRow){
134			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...
135			var tCell = document.createElement("td");
136			if(typeof row[cell] === "string" \|\| typeof row[cell] === "number"){
137			tCell.innerHTML = row[cell];
138			}else if(typeof row[cell] === "object"){
139			RowCellFromObject(row, cell, tCell);
140			}
141			tRow.appendChild(tCell);
142			}
143			}
144			function RowCellFromObject(row, cell, tCell){
145			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...
146			if(typeof row[cell][attr] === "string"){
147			tCell.innerHTML = row[cell][attr];
148			}else if(typeof row[cell][attr] === "object"){
149			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...
150			tCell.setAttribute(v, row[cell][attr][v]);
151			}
152			}
153			}
154			}
155			}
156			},
157			Filter: {
158			GetTableId: function(field){
159			if(field.tagName.toLowerCase() !== "select"){
160			return field.getAttribute("data-table-id");
161			}
162			var f = field.parentNode.parentNode.getElementsByTagName("input")[0];
163			return '' === f.value ? null : f.getAttribute("data-table-id");
164			}
165			},
166			Init: {
167			SetColumnsHoverEffect: function (tContainer, tableId){
168			var tHcells = tContainer.rows[0].cells;
169			for(var i = 0; i < tHcells.length; i++){
170			if(tHcells[i].firstChild.tagName === "A"){
171			tHcells[i].firstChild.setAttribute("onmouseover", "table.ColumnHover('" + tableId + "'," + i + ");");
172			tHcells[i].firstChild.setAttribute("onmouseout", "table.ColumnHover('" + tableId + "');");
173			}
174			}
175			}
176			},
177			GoPage: {
178			GetNo: function(lnk, tableId){
179			//check & serve pagination jump links
180			var jumpDir = lnk.innerHTML.trim().substr(0, 1);
181			if(jumpDir === "+" \|\| jumpDir === "-"){
182			var current = document.getElementById(tableId)
183			.querySelector("tfoot .paging .a").innerHTML;
184			var jump = lnk.innerHTML.replace("K", "000").replace("M", "000000000");
185			var jumpPage = (parseInt(current) + parseInt(jump));
186			lnk.parentNode.setAttribute("data-page", jumpPage);
187			lnk.style.transform = "none";
188			}
189			return lnk.parentNode.hasAttribute("data-page") ?
190			lnk.parentNode.getAttribute("data-page") :
191			lnk.innerHTML;
192			}
193			},
194			LoadData: {
195			SetVisability: function(tableContainer, flag){
196			var tbl = document.getElementById(tableContainer);
197			if(flag === true){
198			tbl.style.filter = "none";
199			tbl.style.opacity = "1";
200			tbl.style.cursor = "auto";
201			}else if(flag === false){
202			tbl.style.filter = "blur(1px)";
203			tbl.style.opacity = "0.8";
204			tbl.style.cursor = "wait";
205			}else{
206			console.error("table error in the flag value");
207			}
208			}
209			},
210
211			IePrior: function(v){
212			var rv = false;
213			if(window.navigator.appName === 'Microsoft Internet Explorer'){
214			var ua = window.navigator.userAgent;
215			var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
216			if(re.exec(ua) !== null){
217			rv = parseFloat(RegExp.$1);
218			}
219			rv = rv < v ? true : false;
220			}
221			return rv;
222			},
223			GetParent: function(obj, objType){
224			while(obj && obj.tagName !== objType.toUpperCase()){
225			obj = obj.parentNode;
226			}
227			return obj;
228			},
229			ProcessPaginationLinks: function(tfoot){
230			var pLinks = tfoot.querySelectorAll(".paging a");
231			if(pLinks.length > 0){
232			for(var j = 0; j < pLinks.length; j++){
233			pLinks[j].setAttribute("href", "javascript:void(0);");
234			pLinks[j].setAttribute("onclick", "return table.GoPage(this);");
235			}
236			}
237			},
238			RequestToUrl: function(rq){
239			var url = location.pathname + ".json" + location.search;
240			if(typeof rq === "object"){
241			var getUrlVarName = {
242			colNo: "col", colOrd: "ord", filter: "filter",
243			filterBy: "filter-by", pageNo: "pg", exportType: "export",
244			tableId: "table-id"
245			};
246			var flagFirst = location.search.length < 1 ? true : false;
247			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...
248			var clue = flagFirst === true ? "?" : "&";
249			url += clue + getUrlVarName[r] + "=" + rq[r];
250			flagFirst = false;
251			}
252			}
253			return url;
254			}
255			};
256
257			//https://addyosmani.com/resources/essentialjsdesignpatterns/book/#singletonpatternjavascript
258			var TableSingleton = (function(){
259			// Instance stores a reference to the Singleton
260			var instance;
261			function initInstance(){
262			// Singleton
263			// Private methods and variables
264			/*function BuildRequest(rq, crntTableId, strDesc){
265			rq.tableId = crntTableId;
266			TableHelper.BuildRequest.Sort(rq, strDesc);
267			TableHelper.BuildRequest.Filter(rq);
268			};*/
269			var BuildRequest = TableHelper.BuildRequest.Run;
270			var tail = null;
271			function LoadData(tableContainer, rq){
272			if(tail!==null){ tail.abort();}
273			TableHelper.LoadData.SetVisability(tableContainer, false);
274			var xmlhttp = window.XMLHttpRequest ?
275			new XMLHttpRequest() : /* code for IE7+, Firefox, Chrome, Opera, Safari */
276			new window.ActiveXObject("Microsoft.XMLHTTP");/code for IE6, IE5 /
277			xmlhttp.onreadystatechange = function(){
278			if(xmlhttp.readyState === 4 && xmlhttp.status === 200){
279			var d = JSON.parse(xmlhttp.responseText);
280			TableHelper.Draw.Run(tableContainer, d, instance);
281			TableHelper.LoadData.SetVisability(tableContainer, true);
282			instance.LoadEndCalback(tableContainer);
283			}
284			};
285			xmlhttp.open("GET", RequestToUrl(rq), true);
286			xmlhttp.send();
287			tail = xmlhttp; //put at tail to can abort later any previous
288			}
289			function ReloadData(tableId){
290			var request = {};
291			BuildRequest(request, tableId, this.strDesc);
292			LoadData(tableId, request);
293			}
294
295			var GoPageGetNo = TableHelper.GoPage.GetNo;
296			var getParent = TableHelper.GetParent;
297			var RequestToUrl = TableHelper.RequestToUrl;
298
299			return {
300			rq: null,
301			strAsc: String.fromCharCode(9650), //▲
302			strDesc: String.fromCharCode(9660),//▼
303			ColumnHover: TableHelper.ColumnHover, //function(tableContainer, index)
304			Export: function(lnk, eType){
305			var request = {};
306			var crntTableId = getParent(lnk, "table").getAttribute("id");
307			BuildRequest(request, crntTableId, this.strDesc);
308			request.exportType = ["CSV", "Excel"].indexOf(eType) >= 0 ?
309			eType :
310			"csv";
311			window.open(RequestToUrl(request));
312			return false;
313			},
314			Filter: function(field){
315			var crntTableId = TableHelper.Filter.GetTableId(field);
316			if(crntTableId !== null){
317			var request = {};
318			var exRq = this.rq;
319			BuildRequest(request, crntTableId, this.strDesc);
320			if(exRq === null \|\|
321			request.filter !== exRq.filter \|\|
322			request.filterBy !== exRq.filterBy
323			){
324			LoadData(crntTableId, request);
325			}
326			}
327			},
328			GoPage: function(lnk){
329			var request = {};
330			var crntTableId = getParent(lnk, "table").getAttribute("id");
331			BuildRequest(request, crntTableId, this.strDesc);
332			request.pageNo = GoPageGetNo(lnk, crntTableId);
333			LoadData(crntTableId, request);
334			return false;
335			},
336			init: function (tableId){
337			var tContainer = document.getElementById(tableId);
338			if(!TableHelper.IePrior(9)){
339			TableHelper.Init.SetColumnsHoverEffect(tContainer, tableId);
340			}
341			var tfoot = tContainer.getElementsByTagName("tfoot")[0];
342			TableHelper.ProcessPaginationLinks(tfoot);
343			},
344			LoadEndCalback: function(){},/Allows override: function(tableId){if(tableId){...}}/
345			ReloadData: ReloadData,
346			Sort: function(colNo, lnk){
347			var request = {};
348			var crntTableId = getParent(lnk, "table").getAttribute("id");
349			BuildRequest(request, crntTableId, this.strDesc);
350			if(Math.round(colNo) === request.colNo){
351			request.colOrd = (request.colOrd === "asc" ? "desc" : "asc");
352			}else{
353			request.colNo = Math.round(colNo);
354			request.colOrd = "asc";
355			}
356			LoadData(crntTableId, request);
357			/* Clear and add new sort arrow */
358			var headSpans = getParent(lnk, "thead").getElementsByTagName("span");
359			var length = headSpans.length;
360			for(var i = 0; i < length; i++){
361			headSpans[i].innerHTML = "";
362			}
363			lnk.getElementsByTagName("span")[0].innerHTML = (request.colOrd === "desc" ? this.strDesc : this.strAsc);
364			}
365			};
366			}
367			return {
368			//Get the Singleton instance if one exists, or create one if it doesn't
369			getInstance: function(){
370			if(!instance){
371			instance = initInstance();
372			}
373			return instance;
374			}
375			};
376			})();
377			var table = TableSingleton.getInstance();
378

webdivane / table

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table.js ➔ initInstance B

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