table.js ➔ initInstance - Code Metrics - Inspection of "no message" - webdivane/table - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Branch — master (c8ea1a)

by Plamen

created 2019-03-09 16:03 UTC

table.js ➔ initInstance B

↳ Parent: TableSingleton.constructor

Complexity

Conditions	1
Paths	96

Size

Total Lines	174
Code Lines	132

Duplication

Lines	0
Ratio	0 %

Importance

Changes	5
Bugs	0	Features	0

Metric	Value
cc	1
eloc	132
c	5
b	0
f	0
nc	96
nop	0
dl	0
loc	174
rs	7

How to fix Long Method

var TableHelperRequestSort = 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;
            }
        }
    }
};
var TableHelperRequestFilter = 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;
    }
};
var TableHelperColumnHover = function(tableContainer, index){
    var rows = document.getElementById(tableContainer).rows;
    var upto = rows.length - 1;
    if(typeof index === "undefined"){
        TableHelperColumnHoverRelease(rows, upto);
    } else {
        for(var i = 0; i < upto; i++){
            rows[i].cells[index].setAttribute("lang", "col-hover");
        }
    }
};
var TableHelperColumnHoverRelease = function(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");
            }
        }
    }
};
var TableHelperSetVisability = 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");
    }
};
var TableHelperProcessPaginationLinks = 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);");
        }
    }
};
var TableHelperIfPrior = 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;
};
var TableHelperRequestToUrl = 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;
};
var TableHelperGetParent = function(obj, objType){
    while(obj && obj.tagName !== objType.toUpperCase()){
        obj = obj.parentNode;
    }
    return obj;
};
var TableHelperFilterGetTableId = 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");
};
var TableHelperClearSection = function(tSection, iePrior9){
    if(iePrior9){
        if(tSection.firstChild){
            while(tSection.firstChild){
                tSection.removeChild(tSection.firstChild);
            }
        }
    }else{
        tSection.innerHTML = "";
    }
};
var TableHelperDrawCellFromObject = function(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]);
            }
        }
    }
};
var TableHelperDrawRow = function(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"){
            TableHelperDrawCellFromObject(row, cell, tCell);
        }
        tRow.appendChild(tCell);
    }
};

//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){
            rq.tableId = crntTableId;
            TableHelperRequestSort(rq, instance.strDesc);
            TableHelperRequestFilter(rq);
        }
        var tail = [];
        function LoadData(tableContainer, rq){
            SetVisability(tableContainer, false);
            if(window.XMLHttpRequest){
                var xmlhttp = new XMLHttpRequest();/* code for IE7+, Firefox, Chrome, Opera, Safari */
            }else{ 
                xmlhttp = new window.ActiveXObject("Microsoft.XMLHTTP");/*code for IE6, IE5 */
            }
            for(var i = 0; i < tail.length; i++){
                var ex_xmlhttp = tail.shift();
                ex_xmlhttp.abort();
            }
            xmlhttp.onreadystatechange = function(){
                if(xmlhttp.readyState === 4 && xmlhttp.status === 200){
                    var d = JSON.parse(xmlhttp.responseText);
                    instance.rq = rq;
                    instance.Draw(tableContainer, d);
                }
            };
            xmlhttp.open("GET", RequestToUrl(rq), true);
            xmlhttp.send();
            tail.push(xmlhttp); //put at tail to can abort later any previous
        }
        function SetTheTableColumnsHoverEffect(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 + "');");
                }
            }
        }
        function Init(tableId){
            var tContainer = document.getElementById(tableId);
            if(iePrior(9)){
                SetTheTableColumnsHoverEffect(tContainer, tableId);
            }
            var tfoot = tContainer.getElementsByTagName("tfoot")[0];
            ProcessPaginationLinks(tfoot);
        }
        
        function DrawSection(tableContainer, dt, tSection){
            var section = tSection === "tfoot" ? "tfoot" : "tbody";
            var tSec = document.getElementById(tableContainer)
                        .getElementsByTagName(section)[0];
            ClearSection(tSec, iePrior(9));
            for(var i = 0; i < dt.length; i++){
                var row = dt[i];
                var tRow = document.createElement("tr");

                DrawRow(row, tRow);

                tSec.appendChild(tRow);
                if(section === "tfoot"){
                    ProcessPaginationLinks(tSec);
                }
                instance.AppendRowCalback(tableContainer);
            }
        }
        
        var ClearSection = TableHelperClearSection;
        var DrawRow = TableHelperDrawRow;
        var FilterGetTableId = TableHelperFilterGetTableId;
        var getParent = TableHelperGetParent;
        var iePrior = TableHelperIfPrior;
        var ProcessPaginationLinks = TableHelperProcessPaginationLinks;
        var RequestToUrl = TableHelperRequestToUrl;
        var SetVisability = TableHelperSetVisability;
        
        return {
            rq: null,
            strAsc: String.fromCharCode(9650), //&#9650;
            strDesc: String.fromCharCode(9660),//&#9660; 
            ReloadData: function(tableId){
                var request = {};
                BuildRequest(request, tableId);
                LoadData(tableId, request);
            },
            Filter: function(field){
                var crntTableId = FilterGetTableId(field);
                if(crntTableId !== null){
                    var request = {};
                    var exRq = this.rq;
                    BuildRequest(request, crntTableId);
                    if(exRq === null ||
                        request.filter !== exRq.filter ||
                        request.filterBy !== exRq.filterBy
                    ){
                        LoadData(crntTableId, request);
                    }
                }
            },
            GoPage: function(lnk){
                var request = {};
                var table = getParent(lnk, "table");
                var crntTableId = table.getAttribute("id");
                BuildRequest(request, crntTableId);
                //check & serve pagination jump links
                var jumpDir = lnk.innerHTML.trim().substr(0, 1);
                if(jumpDir === "+" || jumpDir === "-"){
                    var current = table.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";
                }
                request.pageNo = lnk.parentNode.hasAttribute("data-page") ?
                                    lnk.parentNode.getAttribute("data-page") :
                                    lnk.innerHTML;
                LoadData(crntTableId, request);
                return false;
            },
            Export: function(lnk, eType){
                var request = {};
                var crntTableId = getParent(lnk, "table").getAttribute("id");
                BuildRequest(request, crntTableId);
                request.exportType = ["CSV", "Excel"].indexOf(eType) >= 0 ?
                                        eType : 
                                        "csv";
                window.open(RequestToUrl(request));
                return false;
            },
            Sort: function(colNo, lnk){
                var request = {};
                var crntTableId = getParent(lnk, "table").getAttribute("id");
                BuildRequest(request, crntTableId);
                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);
            },

            ColumnHover: function(tableContainer, index){
                if(!iePrior(9)){
                    TableHelperColumnHover.call(this, tableContainer, index);
                }
            },
            Draw: function(tableContainer, d){
                DrawSection(tableContainer, d.body);
                DrawSection(tableContainer, d.footer, "tfoot");
                this.LoadEndCalback(tableContainer);
                SetVisability(tableContainer, true);
                if(this.rq !== null){
                    var hover = document.getElementById(this.rq.tableId)
                                .getElementsByTagName("th")[this.rq.colNo].lang;
                    if(hover){
                        this.ColumnHover(tableContainer, this.rq.colNo);
                    }
                }
                
            },
            init: Init,
            LoadEndCalback: function(){},/*Allows override: function(tableId){if(tableId){...}}*/
            AppendRowCalback:  function(){}/*Allows override: function(tableId){if(tableId){...}}*/
        };
    }
    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 TableHelperRequestSort = function(rq, strDesc){
2			function sortBySpan(span, i){
3			var order = span.innerHTML;
4			if(order.length === 1){
5			rq.colNo = i;
6			rq.colOrd = order === strDesc ? "desc" : "asc";
7			}
8			return rq.colNo === i;
9			}
10
11			var thTags = document.getElementById(rq.tableId)
12			.getElementsByTagName("thead")[0]
13			.getElementsByTagName("th");
14			var length = thTags.length;
15			for(var i = 0; i < length; i++){
16			var link = thTags[i].getElementsByTagName("a")[0];
17			if(link){
18			var span = link.getElementsByTagName("span")[0];
19			if(span && sortBySpan(span, i)){
20			break;
21			}
22			}
23			}
24			};
25			var TableHelperRequestFilter = function(rq){
26			function getFilterFieldsByTableID(tableID){
27			var fields = {filterBy: null, filter: null};
28			var filterDiv = getFilterDivByTableIDOrNull(tableID);
29			if(filterDiv !== null){
30			setFilterBy(fields, filterDiv);
31			setFilterValue(fields, filterDiv);
32			}
33			return fields;
34			}
35			function getFilterDivByTableIDOrNull(tableID){
36			var res = null;
37			if(document.getElementById(tableID).parentNode.getElementsByTagName("div").length > 0){
38			for(var i = 0; i < document.getElementById(tableID).parentNode.getElementsByTagName("div").length; i++){
39			if(document.getElementById(tableID).parentNode.getElementsByTagName("div")[i].getAttribute("class") === "filter"){
40			return document.getElementById(tableID).parentNode.getElementsByTagName("div")[i];
41			}
42			}
43
44			}
45			return res;
46			}
47			function setFilterBy(fields, filterDiv){
48			var slctObj = filterDiv.getElementsByTagName("select")[0];
49			if(slctObj && slctObj.options[slctObj.selectedIndex].value !== "all"){
50			fields.filterBy = slctObj.options[slctObj.selectedIndex].value;
51			}
52			}
53			function setFilterValue(fields, filterDiv){
54			var textObj = filterDiv.getElementsByTagName("input")[0];
55			if(textObj && textObj.value && textObj.value.length !== 0){
56			fields.filter = encodeURIComponent(textObj.value.trim());
57			}
58			}
59
60			var r = getFilterFieldsByTableID(rq.tableId);
61			if(r.filter !== null){
62			rq.filter = r.filter;
63			}
64			if(r.filterBy !== null){
65			rq.filterBy = r.filterBy;
66			}
67			};
68			var TableHelperColumnHover = function(tableContainer, index){
69			var rows = document.getElementById(tableContainer).rows;
70			var upto = rows.length - 1;
71			if(typeof index === "undefined"){
72			TableHelperColumnHoverRelease(rows, upto);
73			} else {
74			for(var i = 0; i < upto; i++){
75			rows[i].cells[index].setAttribute("lang", "col-hover");
76			}
77			}
78			};
79			var TableHelperColumnHoverRelease = function(rows, upto){
80			for(var i = 0; i < upto; i++){
81			for(var j = 0; j < rows[i].cells.length; j++){
82			if(rows[i].cells[j].lang){
83			rows[i].cells[j].removeAttribute("lang");
84			}
85			}
86			}
87			};
88			var TableHelperSetVisability = function(tableContainer, flag){
89			var tbl = document.getElementById(tableContainer);
90			if(flag === true){
91			tbl.style.filter = "none";
92			tbl.style.opacity = "1";
93			tbl.style.cursor = "auto";
94			}else if(flag === false){
95			tbl.style.filter = "blur(1px)";
96			tbl.style.opacity = "0.8";
97			tbl.style.cursor = "wait";
98			}else{
99			console.error("table error in the flag value");
100			}
101			};
102			var TableHelperProcessPaginationLinks = function(tfoot){
103			var pLinks = tfoot.querySelectorAll(".paging a");
104			if(pLinks.length > 0){
105			for(var j = 0; j < pLinks.length; j++){
106			pLinks[j].setAttribute("href", "javascript:void(0);");
107			pLinks[j].setAttribute("onclick", "return table.GoPage(this);");
108			}
109			}
110			};
111			var TableHelperIfPrior = function(v){
112			var rv = false;
113			if(window.navigator.appName === 'Microsoft Internet Explorer'){
114			var ua = window.navigator.userAgent;
115			var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
116			if(re.exec(ua) !== null){
117			rv = parseFloat(RegExp.$1);
118			}
119			rv = rv < v ? true : false;
120			}
121			return rv;
122			};
123			var TableHelperRequestToUrl = function(rq){
124			var url = location.pathname + ".json" + location.search;
125			if(typeof rq === "object"){
126			var getUrlVarName = {
127			colNo: "col", colOrd: "ord", filter: "filter",
128			filterBy: "filter-by", pageNo: "pg", exportType: "export",
129			tableId: "table-id"
130			};
131			var flagFirst = location.search.length < 1 ? true : false;
132			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...
133			var clue = flagFirst === true ? "?" : "&";
134			url += clue + getUrlVarName[r] + "=" + rq[r];
135			flagFirst = false;
136			}
137			}
138			return url;
139			};
140			var TableHelperGetParent = function(obj, objType){
141			while(obj && obj.tagName !== objType.toUpperCase()){
142			obj = obj.parentNode;
143			}
144			return obj;
145			};
146			var TableHelperFilterGetTableId = function(field){
147			if(field.tagName.toLowerCase() !== "select"){
148			return field.getAttribute("data-table-id");
149			}
150			var f = field.parentNode.parentNode.getElementsByTagName("input")[0];
151			return '' === f.value ? null : f.getAttribute("data-table-id");
152			};
153			var TableHelperClearSection = function(tSection, iePrior9){
154			if(iePrior9){
155			if(tSection.firstChild){
156			while(tSection.firstChild){
157			tSection.removeChild(tSection.firstChild);
158			}
159			}
160			}else{
161			tSection.innerHTML = "";
162			}
163			};
164			var TableHelperDrawCellFromObject = function(row, cell, tCell){
165			for(var attr in row[cell]){
			1 ignored issue – show Complexity introduced 2019-02-17 21:00 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...
166			if(typeof row[cell][attr] === "string"){
167			tCell.innerHTML = row[cell][attr];
168			}else if(typeof row[cell][attr] === "object"){
169			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...
170			tCell.setAttribute(v, row[cell][attr][v]);
171			}
172			}
173			}
174			};
175			var TableHelperDrawRow = function(row, tRow){
176			for(var cell in row){
			1 ignored issue – show Complexity introduced 2019-02-17 20:48 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...
177			var tCell = document.createElement("td");
178			if(typeof row[cell] === "string" \|\| typeof row[cell] === "number"){
179			tCell.innerHTML = row[cell];
180			}else if(typeof row[cell] === "object"){
181			TableHelperDrawCellFromObject(row, cell, tCell);
182			}
183			tRow.appendChild(tCell);
184			}
185			};
186
187			//https://addyosmani.com/resources/essentialjsdesignpatterns/book/#singletonpatternjavascript
188			var TableSingleton = (function(){
189			// Instance stores a reference to the Singleton
190			var instance;
191			function initInstance(){
192			// Singleton
193			// Private methods and variables
194			function BuildRequest(rq, crntTableId){
195			rq.tableId = crntTableId;
196			TableHelperRequestSort(rq, instance.strDesc);
197			TableHelperRequestFilter(rq);
198			}
199			var tail = [];
200			function LoadData(tableContainer, rq){
201			SetVisability(tableContainer, false);
202			if(window.XMLHttpRequest){
203			var xmlhttp = new XMLHttpRequest();/* code for IE7+, Firefox, Chrome, Opera, Safari */
204			}else{
205			xmlhttp = new window.ActiveXObject("Microsoft.XMLHTTP");/code for IE6, IE5 /
206			}
207			for(var i = 0; i < tail.length; i++){
208			var ex_xmlhttp = tail.shift();
209			ex_xmlhttp.abort();
210			}
211			xmlhttp.onreadystatechange = function(){
212			if(xmlhttp.readyState === 4 && xmlhttp.status === 200){
213			var d = JSON.parse(xmlhttp.responseText);
214			instance.rq = rq;
215			instance.Draw(tableContainer, d);
216			}
217			};
218			xmlhttp.open("GET", RequestToUrl(rq), true);
219			xmlhttp.send();
220			tail.push(xmlhttp); //put at tail to can abort later any previous
221			}
222			function SetTheTableColumnsHoverEffect(tContainer, tableId){
223			var tHcells = tContainer.rows[0].cells;
224			for(var i = 0; i < tHcells.length; i++){
225			if(tHcells[i].firstChild.tagName === "A"){
226			tHcells[i].firstChild.setAttribute("onmouseover", "table.ColumnHover('" + tableId + "'," + i + ");");
227			tHcells[i].firstChild.setAttribute("onmouseout", "table.ColumnHover('" + tableId + "');");
228			}
229			}
230			}
231			function Init(tableId){
232			var tContainer = document.getElementById(tableId);
233			if(iePrior(9)){
234			SetTheTableColumnsHoverEffect(tContainer, tableId);
235			}
236			var tfoot = tContainer.getElementsByTagName("tfoot")[0];
237			ProcessPaginationLinks(tfoot);
238			}
239
240			function DrawSection(tableContainer, dt, tSection){
241			var section = tSection === "tfoot" ? "tfoot" : "tbody";
242			var tSec = document.getElementById(tableContainer)
243			.getElementsByTagName(section)[0];
244			ClearSection(tSec, iePrior(9));
245			for(var i = 0; i < dt.length; i++){
246			var row = dt[i];
247			var tRow = document.createElement("tr");
248
249			DrawRow(row, tRow);
250
251			tSec.appendChild(tRow);
252			if(section === "tfoot"){
253			ProcessPaginationLinks(tSec);
254			}
255			instance.AppendRowCalback(tableContainer);
256			}
257			}
258
259			var ClearSection = TableHelperClearSection;
260			var DrawRow = TableHelperDrawRow;
261			var FilterGetTableId = TableHelperFilterGetTableId;
262			var getParent = TableHelperGetParent;
263			var iePrior = TableHelperIfPrior;
264			var ProcessPaginationLinks = TableHelperProcessPaginationLinks;
265			var RequestToUrl = TableHelperRequestToUrl;
266			var SetVisability = TableHelperSetVisability;
267
268			return {
269			rq: null,
270			strAsc: String.fromCharCode(9650), //▲
271			strDesc: String.fromCharCode(9660),//▼
272			ReloadData: function(tableId){
273			var request = {};
274			BuildRequest(request, tableId);
275			LoadData(tableId, request);
276			},
277			Filter: function(field){
278			var crntTableId = FilterGetTableId(field);
279			if(crntTableId !== null){
280			var request = {};
281			var exRq = this.rq;
282			BuildRequest(request, crntTableId);
283			if(exRq === null \|\|
284			request.filter !== exRq.filter \|\|
285			request.filterBy !== exRq.filterBy
286			){
287			LoadData(crntTableId, request);
288			}
289			}
290			},
291			GoPage: function(lnk){
292			var request = {};
293			var table = getParent(lnk, "table");
294			var crntTableId = table.getAttribute("id");
295			BuildRequest(request, crntTableId);
296			//check & serve pagination jump links
297			var jumpDir = lnk.innerHTML.trim().substr(0, 1);
298			if(jumpDir === "+" \|\| jumpDir === "-"){
299			var current = table.querySelector("tfoot .paging .a").innerHTML;
300			var jump = lnk.innerHTML.replace("K", "000").replace("M", "000000000");
301			var jumpPage = (parseInt(current) + parseInt(jump));
302			lnk.parentNode.setAttribute("data-page", jumpPage);
303			lnk.style.transform = "none";
304			}
305			request.pageNo = lnk.parentNode.hasAttribute("data-page") ?
306			lnk.parentNode.getAttribute("data-page") :
307			lnk.innerHTML;
308			LoadData(crntTableId, request);
309			return false;
310			},
311			Export: function(lnk, eType){
312			var request = {};
313			var crntTableId = getParent(lnk, "table").getAttribute("id");
314			BuildRequest(request, crntTableId);
315			request.exportType = ["CSV", "Excel"].indexOf(eType) >= 0 ?
316			eType :
317			"csv";
318			window.open(RequestToUrl(request));
319			return false;
320			},
321			Sort: function(colNo, lnk){
322			var request = {};
323			var crntTableId = getParent(lnk, "table").getAttribute("id");
324			BuildRequest(request, crntTableId);
325			if(Math.round(colNo) === request.colNo){
326			request.colOrd = (request.colOrd === "asc" ? "desc" : "asc");
327			}else{
328			request.colNo = Math.round(colNo);
329			request.colOrd = "asc";
330			}
331			LoadData(crntTableId, request);
332			/* Clear and add new sort arrow */
333			var headSpans = getParent(lnk, "thead").getElementsByTagName("span");
334			var length = headSpans.length;
335			for(var i = 0; i < length; i++){
336			headSpans[i].innerHTML = "";
337			}
338			lnk.getElementsByTagName("span")[0].innerHTML = (request.colOrd === "desc" ? this.strDesc : this.strAsc);
339			},
340
341			ColumnHover: function(tableContainer, index){
342			if(!iePrior(9)){
343			TableHelperColumnHover.call(this, tableContainer, index);
344			}
345			},
346			Draw: function(tableContainer, d){
347			DrawSection(tableContainer, d.body);
348			DrawSection(tableContainer, d.footer, "tfoot");
349			this.LoadEndCalback(tableContainer);
350			SetVisability(tableContainer, true);
351			if(this.rq !== null){
352			var hover = document.getElementById(this.rq.tableId)
353			.getElementsByTagName("th")[this.rq.colNo].lang;
354			if(hover){
355			this.ColumnHover(tableContainer, this.rq.colNo);
356			}
357			}
358
359			},
360			init: Init,
361			LoadEndCalback: function(){},/Allows override: function(tableId){if(tableId){...}}/
362			AppendRowCalback: function(){}/Allows override: function(tableId){if(tableId){...}}/
363			};
364			}
365			return {
366			//Get the Singleton instance if one exists, or create one if it doesn't
367			getInstance: function(){
368			if(!instance){
369			instance = initInstance();
370			}
371			return instance;
372			}
373			};
374			})();
375			var table = TableSingleton.getInstance();
376

webdivane / table

Branch — master (c8ea1a)

table.js ➔ initInstance B

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