/*
* File: jquery.dataTables.columnFilter.js
* Version: 1.5.0.
* Author: Jovan Popovic
* http://jquery-datatables-column-filter.googlecode.com/svn/trunk/index.htmls
* http://code.google.com/p/jquery-datatables-column-filter/
*
* Copyright 2011-2012 Jovan Popovic, all rights reserved.
*
* This source file is free software, under either the GPL v2 license or a
* BSD style license, as supplied with this software.
*
* This source file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.
*
* Parameters:"
* @sPlaceHolder String Place where inline filtering function should be placed ("tfoot", "thead:before", "thead:after"). Default is "tfoot"
* @sRangeSeparator String Separator that will be used when range values are sent to the server-side. Default value is "~".
* @sRangeFormat string Default format of the From ... to ... range inputs. Default is From {from} to {to}
* @aoColumns Array Array of the filter settings that will be applied on the columns
*/
(function ($) {
$.fn.columnFilter = function (options) {
var asInitVals, i, label, th;
//var sTableId = "table";
var sRangeFormat = "From {from} to {to}";
//Array of the functions that will override sSearch_ parameters
var afnSearch_ = new Array();
var aiCustomSearch_Indexes = new Array();
var oFunctionTimeout = null;
var fnOnFiltered = function () { };
function _fnGetColumnValues(oSettings, iColumn, bUnique, bFiltered, bIgnoreEmpty) {
///<summary>
///Return values in the column
///</summary>
///<param name="oSettings" type="Object">DataTables settings</param>
///<param name="iColumn" type="int">Id of the column</param>
///<param name="bUnique" type="bool">Return only distinct values</param>
///<param name="bFiltered" type="bool">Return values only from the filtered rows</param>
///<param name="bIgnoreEmpty" type="bool">Ignore empty cells</param>
// check that we have a column id
if (typeof iColumn == "undefined") return new Array();
// by default we only wany unique data
if (typeof bUnique == "undefined") bUnique = true;
// by default we do want to only look at filtered data
if (typeof bFiltered == "undefined") bFiltered = true;
// by default we do not wany to include empty values
if (typeof bIgnoreEmpty == "undefined") bIgnoreEmpty = true;
// list of rows which we're going to loop through
var aiRows;
// use only filtered rows
if (bFiltered == true) aiRows = oSettings.aiDisplay;
// use all rows
else aiRows = oSettings.aiDisplayMaster; // all row numbers
// set up data array
var asResultData = new Array();
for (var i = 0, c = aiRows.length; i < c; i++) {
var iRow = aiRows[i];
var aData = oTable.fnGetData(iRow);
var sValue = aData[iColumn];
// ignore empty values?
if (bIgnoreEmpty == true && sValue.length == 0) continue;
// ignore unique values?
else if (bUnique == true && jQuery.inArray(sValue, asResultData) > -1) continue;
// else push the value onto the result data array
else asResultData.push(sValue);
}
return asResultData.sort();
}
function _fnColumnIndex(iColumnIndex) {
if (properties.bUseColVis)
return iColumnIndex;
else
return oTable.fnSettings().oApi._fnVisibleToColumnIndex(oTable.fnSettings(), iColumnIndex);
//return iColumnIndex;
//return oTable.fnSettings().oApi._fnColumnIndexToVisible(oTable.fnSettings(), iColumnIndex);
}
function fnCreateInput(oTable, regex, smart, bIsNumber, iFilterLength, iMaxLenght) {
var sCSSClass = "text_filter";
if (bIsNumber)
sCSSClass = "number_filter";
label = label.replace(/(^\s*)|(\s*$)/g, "");
var currentFilter = oTable.fnSettings().aoPreSearchCols[i].sSearch;
var search_init = 'search_init ';
var inputvalue = label;
if (currentFilter != '' && currentFilter != '^') {
if (bIsNumber && currentFilter.charAt(0) == '^')
inputvalue = currentFilter.substr(1); //ignore trailing ^
else
inputvalue = currentFilter;
search_init = '';
}
var input = $('<input type="text" class="' + search_init + sCSSClass + '" value="' + inputvalue + '"/>');
if (iMaxLenght != undefined && iMaxLenght != -1) {
input.attr('maxlength', iMaxLenght);
}
th.html(input);
if (bIsNumber)
th.wrapInner('<span class="filter_column filter_number" />');
else
th.wrapInner('<span class="filter_column filter_text" />');
asInitVals[i] = label;
var index = i;
if (bIsNumber && !oTable.fnSettings().oFeatures.bServerSide) {
input.keyup(function () {
/* Filter on the column all numbers that starts with the entered value */
oTable.fnFilter('^' + this.value, _fnColumnIndex(index), true, false); //Issue 37
fnOnFiltered();
});
} else {
input.keyup(function () {
if (oTable.fnSettings().oFeatures.bServerSide && iFilterLength != 0) {
//If filter length is set in the server-side processing mode
//Check has the user entered at least iFilterLength new characters
var currentFilter = oTable.fnSettings().aoPreSearchCols[index].sSearch;
var iLastFilterLength = $(this).data("dt-iLastFilterLength");
if (typeof iLastFilterLength == "undefined")
iLastFilterLength = 0;
var iCurrentFilterLength = this.value.length;
if (Math.abs(iCurrentFilterLength - iLastFilterLength) < iFilterLength
//&& currentFilter.length == 0 //Why this?
) {
//Cancel the filtering
return;
}
else {
//Remember the current filter length
$(this).data("dt-iLastFilterLength", iCurrentFilterLength);
}
}
/* Filter on the column (the index) of this element */
oTable.fnFilter(this.value, _fnColumnIndex(index), regex, smart); //Issue 37
fnOnFiltered();
});
}
input.focus(function () {
if ($(this).hasClass("search_init")) {
$(this).removeClass("search_init");
this.value = "";
}
});
input.blur(function () {
if (this.value == "") {
$(this).addClass("search_init");
this.value = asInitVals[index];
}
});
}
function fnCreateRangeInput(oTable) {
//var currentFilter = oTable.fnSettings().aoPreSearchCols[i].sSearch;
th.html(_fnRangeLabelPart(0));
var sFromId = oTable.attr("id") + '_range_from_' + i;
var from = $('<input type="text" class="number_range_filter" id="' + sFromId + '" rel="' + i + '"/>');
th.append(from);
th.append(_fnRangeLabelPart(1));
var sToId = oTable.attr("id") + '_range_to_' + i;
var to = $('<input type="text" class="number_range_filter" id="' + sToId + '" rel="' + i + '"/>');
th.append(to);
th.append(_fnRangeLabelPart(2));
th.wrapInner('<span class="filter_column filter_number_range" />');
var index = i;
aiCustomSearch_Indexes.push(i);
//------------start range filtering function
/* Custom filtering function which will filter data in column four between two values
* Author: Allan Jardine, Modified by Jovan Popovic
*/
//$.fn.dataTableExt.afnFiltering.push(
oTable.dataTableExt.afnFiltering.push(
function (oSettings, aData, iDataIndex) {
if (oTable.attr("id") != oSettings.sTableId)
return true;
// Try to handle missing nodes more gracefully
if (document.getElementById(sFromId) == null)
return true;
var iMin = document.getElementById(sFromId).value * 1;
var iMax = document.getElementById(sToId).value * 1;
var iValue = aData[_fnColumnIndex(index)] == "-" ? 0 : aData[_fnColumnIndex(index)] * 1;
if (iMin == "" && iMax == "") {
return true;
}
else if (iMin == "" && iValue <= iMax) {
return true;
}
else if (iMin <= iValue && "" == iMax) {
return true;
}
else if (iMin <= iValue && iValue <= iMax) {
return true;
}
return false;
}
);
//------------end range filtering function
$('#' + sFromId + ',#' + sToId, th).keyup(function () {
var iMin = document.getElementById(sFromId).value * 1;
var iMax = document.getElementById(sToId).value * 1;
if (iMin != 0 && iMax != 0 && iMin > iMax)
return;
oTable.fnDraw();
fnOnFiltered();
});
}
function fnCreateDateRangeInput(oTable) {
var aoFragments = sRangeFormat.split(/[}{]/);
th.html("");
//th.html(_fnRangeLabelPart(0));
var sFromId = oTable.attr("id") + '_range_from_' + i;
var from = $('<input type="text" placeholder="From" class="date_range_filter" style="margin-bottom:2px;" id="' + sFromId + '" rel="' + i + '"/>');
from.datepicker();
//th.append(from);
//th.append(_fnRangeLabelPart(1));
var sToId = oTable.attr("id") + '_range_to_' + i;
var to = $('<input type="text" placeholder="To" class="date_range_filter" id="' + sToId + '" rel="' + i + '"/>');
//th.append(to);
//th.append(_fnRangeLabelPart(2));
for (ti = 0; ti < aoFragments.length; ti++) {
if (aoFragments[ti] == properties.sDateFromToken) {
th.append(from);
} else {
if (aoFragments[ti] == properties.sDateToToken) {
th.append(to);
} else {
th.append(aoFragments[ti]);
}
}
}
th.wrapInner('<span class="filter_column filter_date_range" />');
to.datepicker();
var index = i;
aiCustomSearch_Indexes.push(i);
//------------start date range filtering function
//$.fn.dataTableExt.afnFiltering.push(
oTable.dataTableExt.afnFiltering.push(
function (oSettings, aData, iDataIndex) {
if (oTable.attr("id") != oSettings.sTableId)
return true;
var dStartDate = from.datepicker("getDate");
var dEndDate = to.datepicker("getDate");
if (dStartDate == null && dEndDate == null) {
return true;
}
var dCellDate = null;
try {
if (aData[_fnColumnIndex(index)] == null || aData[_fnColumnIndex(index)] == "")
return false;
dCellDate = $.datepicker.parseDate(from.datepicker("option", "dateFormat"), aData[_fnColumnIndex(index)]);
} catch (ex) {
console.log(ex);
return false;
}
if (dCellDate == null)
return false;
if (dStartDate == null && dCellDate <= dEndDate) {
return true;
}
else if (dStartDate <= dCellDate && dEndDate == null) {
return true;
}
else if (dStartDate <= dCellDate && dCellDate <= dEndDate) {
return true;
}
return false;
}
);
//------------end date range filtering function
$('#' + sFromId + ',#' + sToId, th).change(function () {
oTable.fnDraw();
fnOnFiltered();
});
}
function fnCreateColumnSelect(oTable, aData, iColumn, nTh, sLabel, bRegex, oSelected, bCaseSensitive) {
bCaseSensitive = (typeof bCaseSensitive !== 'undefined') ? !bCaseSensitive : true;
if (aData == null)
aData = _fnGetColumnValues(oTable.fnSettings(), iColumn, true, false, true);
var index = iColumn;
var currentFilter = oTable.fnSettings().aoPreSearchCols[i].sSearch;
if (currentFilter == null || currentFilter == "")//Issue 81
currentFilter = oSelected;
var r = '<select class="search_init select_filter"><option value="" class="search_init">' + sLabel + '</option>';
var j = 0;
var iLen = aData.length;
for (j = 0; j < iLen; j++) {
if (typeof (aData[j]) != 'object') {
var selected = '';
if (escape(aData[j]) == currentFilter
|| escape(aData[j]) == escape(currentFilter)
)
selected = 'selected '
r += '<option ' + selected + ' value="' + escape(aData[j]) + '">' + aData[j] + '</option>';
}
else {
var selected = '';
if (bRegex) {
//Do not escape values if they are explicitely set to avoid escaping special characters in the regexp
if (aData[j].value == currentFilter) selected = 'selected ';
r += '<option ' + selected + 'value="' + aData[j].value + '">' + aData[j].label + '</option>';
} else {
if (escape(aData[j].value) == currentFilter) selected = 'selected ';
r += '<option ' + selected + 'value="' + escape(aData[j].value) + '">' + aData[j].label + '</option>';
}
}
}
var select = $(r + '</select>');
nTh.html(select);
nTh.wrapInner('<span class="filter_column filter_select" />');
select.change(function () {
//var val = $(this).val();
if ($(this).val() != "") {
$(this).removeClass("search_init");
} else {
$(this).addClass("search_init");
}
if (bRegex)
oTable.fnFilter($(this).val(), iColumn, bRegex, true, true, bCaseSensitive); //Issue 41
else
oTable.fnFilter(unescape($(this).val()), iColumn, bRegex, true, true, bCaseSensitive); //Issue 25
fnOnFiltered();
});
if (currentFilter != null && currentFilter != "")//Issue 81
oTable.fnFilter(unescape(currentFilter), iColumn);
}
function fnCreateSelect(oTable, aData, bRegex, oSelected, bCaseSensitive) {
var oSettings = oTable.fnSettings();
if (aData == null && oSettings.sAjaxSource != "" && !oSettings.oFeatures.bServerSide) {
// Add a function to the draw callback, which will check for the Ajax data having
// been loaded. Use a closure for the individual column elements that are used to
// built the column filter, since 'i' and 'th' (etc) are locally "global".
oSettings.aoDrawCallback.push({
"fn": (function (iColumn, nTh, sLabel) {
return function () {
// Only rebuild the select on the second draw - i.e. when the Ajax
// data has been loaded.
if (oSettings.iDraw == 2 && oSettings.sAjaxSource != null && oSettings.sAjaxSource != "" && !oSettings.oFeatures.bServerSide) {
return fnCreateColumnSelect(oTable, null, _fnColumnIndex(iColumn), nTh, sLabel, bRegex, oSelected); //Issue 37
}
};
})(i, th, label),
"sName": "column_filter_" + i
});
}
// Regardless of the Ajax state, build the select on first pass
fnCreateColumnSelect(oTable, aData, _fnColumnIndex(i), th, label, bRegex, oSelected, bCaseSensitive); //Issue 37
}
function fnCreateCheckbox(oTable, aData) {
if (aData == null)
aData = _fnGetColumnValues(oTable.fnSettings(), i, true, true, true);
var index = i;
var r = '', j, iLen = aData.length;
//clean the string
var localLabel = label.replace('%', 'Perc').replace("&", "AND").replace("$", "DOL").replace("£", "STERL").replace("@", "AT").replace(/\s/g, "_");
localLabel = localLabel.replace(/[^a-zA-Z 0-9]+/g, '');
//clean the string
//button label override
var labelBtn = label;
if (properties.sFilterButtonText != null || properties.sFilterButtonText != undefined) {
labelBtn = properties.sFilterButtonText;
}
var relativeDivWidthToggleSize = 10;
var numRow = 12; //numero di checkbox per colonna
var numCol = Math.floor(iLen / numRow);
if (iLen % numRow > 0) {
numCol = numCol + 1;
};
//count how many column should be generated and split the div size
var divWidth = 100 / numCol - 2;
var divWidthToggle = relativeDivWidthToggleSize * numCol;
if (numCol == 1) {
divWidth = 20;
}
var divRowDef = '<div style="float:left; min-width: ' + divWidth + '%; " >';
var divClose = '</div>';
var uniqueId = oTable.attr("id") + localLabel;
var buttonId = "chkBtnOpen" + uniqueId;
var checkToggleDiv = uniqueId + "-flt-toggle";
r += '<button id="' + buttonId + '" class="checkbox_filter" > ' + labelBtn + '</button>'; //filter button witch open dialog
r += '<div id="' + checkToggleDiv + '" '
+ 'title="' + label + '" '
+ 'class="toggle-check ui-widget-content ui-corner-all" style="width: ' + (divWidthToggle) + '%; " >'; //dialog div
//r+= '<div align="center" style="margin-top: 5px; "> <button id="'+buttonId+'Reset" class="checkbox_filter" > reset </button> </div>'; //reset button and its div
r += divRowDef;
for (j = 0; j < iLen; j++) {
//if last check close div
if (j % numRow == 0 && j != 0) {
r += divClose + divRowDef;
}
//check button
r += '<input class="search_init checkbox_filter" type="checkbox" id= "' + aData[j] + '" name= "' + localLabel + '" value="' + aData[j] + '" >' + aData[j] + '<br/>';
var checkbox = $(r);
th.html(checkbox);
th.wrapInner('<span class="filter_column filter_checkbox" />');
//on every checkbox selection
checkbox.change(function () {
var search = '';
var or = '|'; //var for select checks in 'or' into the regex
var resSize = $('input:checkbox[name="' + localLabel + '"]:checked').size();
$('input:checkbox[name="' + localLabel + '"]:checked').each(function (index) {
//search = search + ' ' + $(this).val();
//concatenation for selected checks in or
if ((index == 0 && resSize == 1)
|| (index != 0 && index == resSize - 1)) {
or = '';
}
//trim
search = search.replace(/^\s+|\s+$/g, "");
search = search + $(this).val() + or;
or = '|';
});
for (var jj = 0; jj < iLen; jj++) {
if (search != "") {
$('#' + aData[jj]).removeClass("search_init");
} else {
$('#' + aData[jj]).addClass("search_init");
}
}
//execute search
oTable.fnFilter(search, index, true, false);
fnOnFiltered();
});
}
//filter button
$('#' + buttonId).button();
//dialog
$('#' + checkToggleDiv).dialog({
//height: 140,
autoOpen: false,
//show: "blind",
hide: "blind",
buttons: [{
text: "Reset",
click: function () {
//$('#'+buttonId).removeClass("filter_selected"); //LM remove border if filter selected
$('input:checkbox[name="' + localLabel + '"]:checked').each(function (index3) {
$(this).attr('checked', false);
$(this).addClass("search_init");
});
oTable.fnFilter('', index, true, false);
fnOnFiltered();
return false;
}
},
{
text: "Close",
click: function () { $(this).dialog("close"); }
}
]
});
$('#' + buttonId).click(function () {
$('#' + checkToggleDiv).dialog('open');
var target = $(this);
$('#' + checkToggleDiv).dialog("widget").position({ my: 'top',
at: 'bottom',
of: target
});
return false;
});
var fnOnFilteredCurrent = fnOnFiltered;
fnOnFiltered = function () {
var target = $('#' + buttonId);
$('#' + checkToggleDiv).dialog("widget").position({ my: 'top',
at: 'bottom',
of: target
});
fnOnFilteredCurrent();
};
//reset
/*
$('#'+buttonId+"Reset").button();
$('#'+buttonId+"Reset").click(function(){
$('#'+buttonId).removeClass("filter_selected"); //LM remove border if filter selected
$('input:checkbox[name="'+localLabel+'"]:checked').each(function(index3) {
$(this).attr('checked', false);
$(this).addClass("search_init");
});
oTable.fnFilter('', index, true, false);
return false;
});
*/
}
function _fnRangeLabelPart(iPlace) {
switch (iPlace) {
case 0:
return sRangeFormat.substring(0, sRangeFormat.indexOf("{from}"));
case 1:
return sRangeFormat.substring(sRangeFormat.indexOf("{from}") + 6, sRangeFormat.indexOf("{to}"));
default:
return sRangeFormat.substring(sRangeFormat.indexOf("{to}") + 4);
}
}
var oTable = this;
var defaults = {
sPlaceHolder: "foot",
sRangeSeparator: "~",
iFilteringDelay: 500,
aoColumns: null,
sRangeFormat: "From {from} to {to}",
sDateFromToken: "from",
sDateToToken: "to"
};
var properties = $.extend(defaults, options);
return this.each(function () {
if (!oTable.fnSettings().oFeatures.bFilter)
return;
asInitVals = new Array();
var aoFilterCells = oTable.fnSettings().aoFooter[0];
var oHost = oTable.fnSettings().nTFoot; //Before fix for ColVis
var sFilterRow = "tr"; //Before fix for ColVis
if (properties.sPlaceHolder == "head:after") {
var tr = $("tr:first", oTable.fnSettings().nTHead).detach();
//tr.appendTo($(oTable.fnSettings().nTHead));
if (oTable.fnSettings().bSortCellsTop) {
tr.prependTo($(oTable.fnSettings().nTHead));
//tr.appendTo($("thead", oTable));
aoFilterCells = oTable.fnSettings().aoHeader[1];
}
else {
tr.appendTo($(oTable.fnSettings().nTHead));
//tr.prependTo($("thead", oTable));
aoFilterCells = oTable.fnSettings().aoHeader[0];
}
sFilterRow = "tr:last";
oHost = oTable.fnSettings().nTHead;
} else if (properties.sPlaceHolder == "head:before") {
if (oTable.fnSettings().bSortCellsTop) {
var tr = $("tr:first", oTable.fnSettings().nTHead).detach();
tr.appendTo($(oTable.fnSettings().nTHead));
aoFilterCells = oTable.fnSettings().aoHeader[1];
} else {
aoFilterCells = oTable.fnSettings().aoHeader[0];
}
/*else {
//tr.prependTo($("thead", oTable));
sFilterRow = "tr:first";
}*/
sFilterRow = "tr:first";
oHost = oTable.fnSettings().nTHead;
}
//$(sFilterRow + " th", oHost).each(function (index) {//bug with ColVis
$(aoFilterCells).each(function (index) {//fix for ColVis
i = index;
var aoColumn = { type: "text",
bRegex: false,
bSmart: true,
iMaxLenght: -1,
iFilterLength: 0
};
if (properties.aoColumns != null) {
if (properties.aoColumns.length < i || properties.aoColumns[i] == null)
return;
aoColumn = properties.aoColumns[i];
}
//label = $(this).text(); //Before fix for ColVis
label = $($(this)[0].cell).text(); //Fix for ColVis
if (aoColumn.sSelector == null) {
//th = $($(this)[0]);//Before fix for ColVis
th = $($(this)[0].cell); //Fix for ColVis
}
else {
th = $(aoColumn.sSelector);
if (th.length == 0)
th = $($(this)[0].cell);
}
if (aoColumn != null) {
if (aoColumn.sRangeFormat != null)
sRangeFormat = aoColumn.sRangeFormat;
else
sRangeFormat = properties.sRangeFormat;
switch (aoColumn.type) {
case "null":
break;
case "number":
fnCreateInput(oTable, true, false, true, aoColumn.iFilterLength, aoColumn.iMaxLenght);
break;
case "select":
if (aoColumn.bRegex != true)
aoColumn.bRegex = false;
fnCreateSelect(oTable, aoColumn.values, aoColumn.bRegex, aoColumn.selected, aoColumn.bCaseSensitive);
break;
case "number-range":
fnCreateRangeInput(oTable);
break;
case "date-range":
fnCreateDateRangeInput(oTable);
break;
case "checkbox":
fnCreateCheckbox(oTable, aoColumn.values);
break;
case "text":
default:
bRegex = (aoColumn.bRegex == null ? false : aoColumn.bRegex);
bSmart = (aoColumn.bSmart == null ? false : aoColumn.bSmart);
fnCreateInput(oTable, bRegex, bSmart, false, aoColumn.iFilterLength, aoColumn.iMaxLenght);
break;
}
}
});
for (j = 0; j < aiCustomSearch_Indexes.length; j++) {
//var index = aiCustomSearch_Indexes[j];
var fnSearch_ = function () {
var id = oTable.attr("id");
return $("#" + id + "_range_from_" + aiCustomSearch_Indexes[j]).val() + properties.sRangeSeparator + $("#" + id + "_range_to_" + aiCustomSearch_Indexes[j]).val()
}
afnSearch_.push(fnSearch_);
}
if (oTable.fnSettings().oFeatures.bServerSide) {
var fnServerDataOriginal = oTable.fnSettings().fnServerData;
oTable.fnSettings().fnServerData = function (sSource, aoData, fnCallback) {
for (j = 0; j < aiCustomSearch_Indexes.length; j++) {
var index = aiCustomSearch_Indexes[j];
for (k = 0; k < aoData.length; k++) {
if (aoData[k].name == "sSearch_" + index)
aoData[k].value = afnSearch_[j]();
}
}
aoData.push({ "name": "sRangeSeparator", "value": properties.sRangeSeparator });
if (fnServerDataOriginal != null) {
try {
fnServerDataOriginal(sSource, aoData, fnCallback, oTable.fnSettings()); //TODO: See Issue 18
} catch (ex) {
fnServerDataOriginal(sSource, aoData, fnCallback);
}
}
else {
$.getJSON(sSource, aoData, function (json) {
fnCallback(json)
});
}
};
}
});
};
})(jQuery);
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