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var table_methods = { |
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helper: window.table_helper, |
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BuildRequest: { |
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Sort: function(rq){ |
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function sortBySpan(span, i){ |
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var order = span.innerHTML; |
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if(order.length === 1){ |
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rq.colNo = i; |
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rq.colOrd = order === rq.strDesc ? "desc" : "asc"; |
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} |
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return rq.colNo === i; |
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} |
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var thTags = document.getElementById(rq.tableId) |
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.getElementsByTagName("thead")[0] |
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.getElementsByTagName("th"); |
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var length = thTags.length; |
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for(var i = 0; i < length; i++){ |
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var link = thTags[i].getElementsByTagName("a")[0]; |
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if(link){ |
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var span = link.getElementsByTagName("span")[0]; |
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if(span && sortBySpan(span, i)){ |
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break; |
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} |
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} |
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} |
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}, |
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Filter: function(rq){ |
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function getFilterFieldsByTableID(tableID){ |
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var fields = {filterBy: null, filter: null}; |
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var filterDiv = getFilterDivByTableIDOrNull(tableID); |
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if(filterDiv !== null){ |
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setFilterBy(fields, filterDiv); |
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setFilterValue(fields, filterDiv); |
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} |
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return fields; |
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} |
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function getFilterDivByTableIDOrNull(tableID){ |
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if(document.getElementById(tableID).parentNode |
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.getElementsByTagName("div").length > 0 |
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){ |
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var containerDivs = document.getElementById(tableID) |
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.parentNode.getElementsByTagName("div"); |
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for(var i = 0; i < containerDivs.length; i++){ |
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if(containerDivs[i].getAttribute("class") === "filter"){ |
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return containerDivs[i]; |
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} |
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} |
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} |
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return null; |
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} |
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function setFilterBy(fields, filterDiv){ |
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var select = filterDiv.getElementsByTagName("select")[0]; |
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if(select && |
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select.options[select.selectedIndex].value !== "all" |
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){ |
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fields.filterBy = select.options[select.selectedIndex].value; |
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} |
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} |
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function setFilterValue(fields, filterDiv){ |
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var textObj = filterDiv.getElementsByTagName("input")[0]; |
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if(textObj && textObj.value && textObj.value.length !== 0){ |
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fields.filter = encodeURIComponent(textObj.value.trim()); |
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} |
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} |
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var r = getFilterFieldsByTableID(rq.tableId); |
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if(r.filter !== null){ |
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rq.filter = r.filter; |
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} |
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if(r.filterBy !== null){ |
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rq.filterBy = r.filterBy; |
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} |
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}, |
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Run: function(rq){ |
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this.Sort(rq); |
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this.Filter(rq); |
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} |
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}, |
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ColumnHover: function(tableContainer, index){ |
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var rows = document.getElementById(tableContainer).rows; |
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var upto = rows.length - 1; |
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if(typeof index === "undefined"){ |
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ColumnHoverRelease(rows, upto); |
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}else{ |
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for(var i = 0; i < upto; i++){ |
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rows[i].cells[index].setAttribute("lang", "col-hover"); |
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} |
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} |
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function ColumnHoverRelease(rows, upto){ |
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for(var i = 0; i < upto; i++){ |
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for(var j = 0; j < rows[i].cells.length; j++){ |
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if(rows[i].cells[j].lang){ |
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rows[i].cells[j].removeAttribute("lang"); |
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} |
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} |
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} |
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} |
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; |
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}, |
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Draw: { |
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Section: function(tableContainer, dt, tSection){ |
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var section = tSection === "tfoot" ? "tfoot" : "tbody"; |
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var tSec = document.getElementById(tableContainer) |
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.getElementsByTagName(section)[0]; |
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Clear(tSec, this.helper.IePrior(9)); |
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for(var i = 0; i < dt.length; i++){ |
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var row = dt[i]; |
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var tRow = document.createElement("tr"); |
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Row(row, tRow); |
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tSec.appendChild(tRow); |
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if(section === "tfoot"){ |
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this.helper.ProcessPaginationLinks(tSec); |
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} |
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} |
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function Clear(tSection, iePrior9){ |
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if(iePrior9){ |
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if(tSection.firstChild){ |
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while(tSection.firstChild){ |
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tSection.removeChild(tSection.firstChild); |
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} |
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} |
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}else{ |
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tSection.innerHTML = ""; |
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} |
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} |
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function Row(row, tRow){ |
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for(var cell in row){ |
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var tCell = document.createElement("td"); |
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if(typeof row[cell] === "string" || |
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typeof row[cell] === "number" |
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){ |
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tCell.innerHTML = row[cell]; |
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}else if(typeof row[cell] === "object"){ |
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RowCellFromObject(row, cell, tCell); |
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} |
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tRow.appendChild(tCell); |
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} |
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} |
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function RowCellFromObject(row, cell, tCell){ |
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for(var attr in row[cell]){ |
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if(typeof row[cell][attr] === "string"){ |
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tCell.innerHTML = row[cell][attr]; |
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}else if(typeof row[cell][attr] === "object"){ |
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for(var v in row[cell][attr]){ |
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tCell.setAttribute(v, row[cell][attr][v]); |
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} |
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} |
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} |
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} |
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}, |
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Run: function(tableContainer, d, instance){ |
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this.Section.call(instance, tableContainer, d.body); |
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this.Section.call(instance, tableContainer, d.footer, "tfoot"); |
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if(instance.rq !== null){ |
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var hover = document.getElementById(instance.rq.tableId) |
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.getElementsByTagName("th")[instance.rq.colNo].lang; |
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if(hover){ |
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instance.ColumnHover(tableContainer, instance.rq.colNo); |
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} |
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} |
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} |
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}, |
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Export: function(lnk, eType){ |
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var rq = {}; |
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rq.tableId = this.helper.GetParent(lnk, "table").getAttribute("id"); |
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this.BuildRequest.Run(rq); |
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rq.exportType = ["CSV", "Excel"].indexOf(eType) >= 0 ? |
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eType : |
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"csv"; |
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window.open(this.helper.RequestToUrl(rq)); |
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return false; |
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}, |
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Filter: { |
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Run: function(field){ |
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var crntTableId = this.Filter.GetTableId(field); |
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if(crntTableId !== null){ |
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var exRq = this.rq; |
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var rq = {}; |
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rq.tableId = crntTableId; |
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rq.strDesc = this.strDesc; |
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rq.strAsc = this.strAsc; |
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this.BuildRequest.Run(rq); |
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this.rq = rq; |
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//@todo exRq match not work |
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if(exRq === null |
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|| typeof this.rq.filer === "undefined" |
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|| this.rq.filter !== exRq.filter |
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|| this.rq.filterBy !== exRq.filterBy |
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){ |
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this.LoadData.Run(this); |
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} |
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} |
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}, |
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GetTableId: function(field){ |
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if(field.tagName.toLowerCase() !== "select"){ |
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return field.getAttribute("data-table-id"); |
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} |
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var f = field.parentNode.parentNode.getElementsByTagName("input")[0]; |
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return '' === f.value ? null : f.getAttribute("data-table-id"); |
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} |
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}, |
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Init: { |
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Run: function(tableId){ |
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var tContainer = document.getElementById(tableId); |
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if(!this.helper.IePrior(9)){ |
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this.Init.SetColumnsHoverEffect(tContainer, tableId); |
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} |
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var tfoot = tContainer.getElementsByTagName("tfoot")[0]; |
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this.helper.ProcessPaginationLinks(tfoot); |
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}, |
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SetColumnsHoverEffect: function(tContainer, tableId){ |
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var tHcells = tContainer.rows[0].cells; |
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for(var i = 0; i < tHcells.length; i++){ |
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if(tHcells[i].firstChild.tagName === "A"){ |
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tHcells[i].firstChild.setAttribute("onmouseover", |
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"table.ColumnHover('" + tableId + "'," + i + ");"); |
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tHcells[i].firstChild.setAttribute("onmouseout", |
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"table.ColumnHover('" + tableId + "');"); |
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} |
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} |
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} |
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}, |
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GoPage: { |
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Run: function(lnk){ |
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var rq = {}; |
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rq.tableId = this.helper.GetParent(lnk, "table").getAttribute("id"); |
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rq.strDesc = this.strDesc; |
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rq.strAsc = this.strAsc; |
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this.BuildRequest.Run(rq); |
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rq.pageNo = this.GoPage.GetNo(lnk, rq.tableId); |
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this.rq = rq; |
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this.LoadData.Run(this); |
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return false; |
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}, |
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GetNo: function(lnk, tableId){ |
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//check & serve pagination jump links |
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var jumpDir = lnk.innerHTML.trim().substr(0, 1); |
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if(jumpDir === "+" || jumpDir === "-"){ |
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var current = document.getElementById(tableId) |
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.querySelector("tfoot .paging .a").innerHTML; |
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var jump = lnk.innerHTML.replace("K", "000") |
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.replace("M", "000000000"); |
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var jumpPage = (parseInt(current) + parseInt(jump)); |
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lnk.parentNode.setAttribute("data-page", jumpPage); |
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lnk.style.transform = "none"; |
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} |
249
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return lnk.parentNode.hasAttribute("data-page") ? |
250
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lnk.parentNode.getAttribute("data-page") : |
251
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lnk.innerHTML; |
252
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} |
253
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}, |
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LoadData: { |
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tail: null, |
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Run: function(instance){ |
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if(this.tail !== null){ |
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this.tail.abort(); |
259
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} |
260
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this.SetVisability(instance.rq.tableId, false); |
261
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var inst = instance; |
262
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var xmlhttp = window.XMLHttpRequest ? |
263
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new XMLHttpRequest() : //IE7+, Firefox, Chrome, Opera, Safari |
264
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new window.ActiveXObject("Microsoft.XMLHTTP");//IE6, IE5 |
265
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xmlhttp.onreadystatechange = function(){ |
266
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if(xmlhttp.readyState === 4 && xmlhttp.status === 200){ |
267
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var d = JSON.parse(xmlhttp.responseText); |
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inst.Draw.Run(inst.rq.tableId, d, inst); |
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inst.LoadData.SetVisability(inst.rq.tableId, true); |
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window.table.LoadEndCalback(inst.rq.tableId); |
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} |
272
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}; |
273
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xmlhttp.open("GET", instance.helper.RequestToUrl(inst.rq), true); |
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xmlhttp.send(); |
275
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this.tail = xmlhttp; //put at tail to can abort later previous request |
276
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}, |
277
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SetVisability: function(tableContainer, flag){ |
278
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var tbl = document.getElementById(tableContainer); |
279
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if(flag === true){ |
280
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tbl.style.filter = "none"; |
281
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tbl.style.opacity = "1"; |
282
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tbl.style.cursor = "auto"; |
283
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}else if(flag === false){ |
284
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tbl.style.filter = "blur(1px)"; |
285
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tbl.style.opacity = "0.8"; |
286
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tbl.style.cursor = "wait"; |
287
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}else{ |
288
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console.error("table error in the flag value"); |
289
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} |
290
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} |
291
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}, |
292
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ReloadData: function(tableId){ |
293
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var inst = this; |
294
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var rq = this.helper.RqObject.call(inst, tableId); |
295
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this.BuildRequest.Run(rq); |
296
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this.rq = rq; |
297
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this.LoadData.Run(this); |
298
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}, |
299
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Sort: function(colNo, lnk){ |
300
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var rq = {}; |
301
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rq.tableId = this.helper.GetParent(lnk, "table").getAttribute("id"); |
302
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rq.strDesc = this.strDesc; |
303
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rq.strAsc = this.strAsc; |
304
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this.BuildRequest.Run(rq); |
305
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if(Math.round(colNo) === rq.colNo){ |
306
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rq.colOrd = (rq.colOrd === "asc" ? "desc" : "asc"); |
307
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}else{ |
308
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rq.colNo = Math.round(colNo); |
309
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rq.colOrd = "asc"; |
310
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} |
311
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this.rq = rq; |
312
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this.LoadData.Run(this); |
313
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|
|
ClearAndSetNewSortArrow(rq); |
314
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|
|
|
315
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|
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function ClearAndSetNewSortArrow(rq){ |
316
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|
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var headSpans = document.getElementById(rq.tableId) |
317
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|
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.getElementsByTagName("thead")[0] |
318
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|
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.getElementsByTagName("span"); |
319
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var length = headSpans.length; |
320
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for(var i = 0; i < length; i++){ |
321
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headSpans[i].innerHTML = ""; |
322
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} |
323
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lnk.getElementsByTagName("span")[0].innerHTML = |
324
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(rq.colOrd === "desc" ? rq.strDesc : rq.strAsc); |
325
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} |
326
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} |
327
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}; |
328
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When iterating over the keys of an object, this includes not only the keys of the object, but also keys contained in the prototype of that object. It is generally a best practice to check for these keys specifically: