Added init to drop-down and check-list filters

dist/tablefilter/style/colsVisibility.css

@@ -1,6 +1,6 @@
 /** 
  *	 tablefilter v0.1.5 by Max Guglielmi 
- *	 build date: 2016-01-04T06:55:19.313Z 
+ *	 build date: 2016-01-06T05:07:26.429Z 
  *	 MIT License  
  */ 
 span.colVisSpan{text-align:left;}span.colVisSpan a.colVis{display:inline-block;padding:7px 5px 0;font-size:inherit;font-weight:inherit;vertical-align:top}div.colVisCont{position:relative;background:#fff;-webkit-box-shadow:3px 3px 2px #888;-moz-box-shadow:3px 3px 2px #888;box-shadow:3px 3px 2px #888;position:absolute;display:none;border:1px solid #ccc;height:auto;width:250px;background-color:#fff;margin:35px 0 0 -100px;z-index:10000;padding:10px 10px 10px 10px;text-align:left;font-size:12px;}div.colVisCont:after,div.colVisCont:before{bottom:100%;left:50%;border:solid transparent;content:" ";height:0;width:0;position:absolute;pointer-events:none}div.colVisCont:after{border-color:rgba(255,255,255,0);border-bottom-color:#fff;border-width:10px;margin-left:-10px}div.colVisCont:before{border-color:rgba(255,255,255,0);border-bottom-color:#ccc;border-width:12px;margin-left:-12px}div.colVisCont p{margin:6px auto 6px auto}div.colVisCont a.colVis{display:initial;font-weight:inherit}ul.cols_checklist{padding:0;margin:0;list-style:none;}ul.cols_checklist label{display:block}ul.cols_checklist input{vertical-align:middle;margin:2px 5px 2px 1px}li.cols_checklist_item{padding:4px;margin:0;}li.cols_checklist_item:hover{background-color:#335ea8;color:#fff}.cols_checklist_slc_item{background-color:#335ea8;color:#fff}

dist/tablefilter/style/filtersVisibility.css

@@ -1,6 +1,6 @@
 /** 
  *	 tablefilter v0.1.5 by Max Guglielmi 
- *	 build date: 2016-01-04T06:55:19.313Z 
+ *	 build date: 2016-01-06T05:07:26.429Z 
  *	 MIT License  
  */ 
 span.expClpFlt a.btnExpClpFlt{width:35px;height:35px;display:inline-block;}span.expClpFlt a.btnExpClpFlt:hover{background-color:#f4f4f4}span.expClpFlt img{padding:8px 11px 11px 11px}

dist/tablefilter/style/tablefilter.css

@@ -1,6 +1,6 @@
 /** 
  *	 tablefilter v0.1.5 by Max Guglielmi 
- *	 build date: 2016-01-04T06:55:19.313Z 
+ *	 build date: 2016-01-06T05:07:26.429Z 
  *	 MIT License  
  */ 
 .activeHeader{background-color:#66afe9 !important;color:#fff !important}

dist/tablefilter/style/themes/default/default.css

@@ -1,6 +1,6 @@
 /** 
  *	 tablefilter v0.1.5 by Max Guglielmi 
- *	 build date: 2016-01-04T06:55:19.313Z 
+ *	 build date: 2016-01-06T05:07:26.429Z 
  *	 MIT License  
  */ 
 table.TF{border-left:1px solid #ccc !important;border-top:none !important;border-right:none !important;border-bottom:none !important;}table.TF th{background:#ebecee url("images/bg_th.jpg") left top repeat-x !important;border-bottom:1px solid #d0d0d0 !important;border-right:1px solid #d0d0d0 !important;border-left:1px solid #fff !important;border-top:1px solid #fff !important;color:#333 !important}table.TF td{border-bottom:1px dotted #999 !important;padding:5px !important}.fltrow{background-color:#ebecee !important;}.fltrow th,.fltrow td{border-bottom:1px dotted #666 !important;padding:1px 3px 1px 3px !important}.flt,select.flt,select.flt_multi,.flt_s,.single_flt,.div_checklist{border:1px solid #999 !important}input.flt{width:99% !important}.inf{height:$min-height;background:#d7d7d7 url("images/bg_infDiv.jpg") 0 0 repeat-x !important}input.reset{background:transparent url("images/btn_eraser.gif") center center no-repeat !important}.helpBtn:hover{background-color:transparent}.nextPage{background:transparent url("images/btn_next_page.gif") center center no-repeat !important;}.nextPage:hover{background:transparent url("images/btn_over_next_page.gif") center center no-repeat !important}.previousPage{background:transparent url("images/btn_previous_page.gif") center center no-repeat !important;}.previousPage:hover{background:transparent url("images/btn_over_previous_page.gif") center center no-repeat !important}.firstPage{background:transparent url("images/btn_first_page.gif") center center no-repeat !important;}.firstPage:hover{background:transparent url("images/btn_over_first_page.gif") center center no-repeat !important}.lastPage{background:transparent url("images/btn_last_page.gif") center center no-repeat !important;}.lastPage:hover{background:transparent url("images/btn_over_last_page.gif") center center no-repeat !important}div.grd_Cont{background-color:#ebecee !important;border:1px solid #ccc !important;padding:0 !important;}div.grd_Cont .even{background-color:#fff}div.grd_Cont .odd{background-color:#d5d5d5}div.grd_headTblCont{background-color:#ebecee !important;border-bottom:none !important;}div.grd_headTblCont table{border-right:none !important}div.grd_tblCont table th,div.grd_headTblCont table th,div.grd_headTblCont table td{background:#ebecee url("images/bg_th.jpg") left top repeat-x !important;border-bottom:1px solid #d0d0d0 !important;border-right:1px solid #d0d0d0 !important;border-left:1px solid #fff !important;border-top:1px solid #fff !important}div.grd_tblCont table td{border-bottom:1px solid #999 !important}.grd_inf{background:#d7d7d7 url("images/bg_infDiv.jpg") 0 0 repeat-x !important;border-top:1px solid #d0d0d0 !important}.loader{border:1px solid #999}.defaultLoader{width:32px;height:32px;background:transparent url("images/img_loading.gif") 0 0 no-repeat !important}.even{background-color:#fff}.odd{background-color:#d5d5d5}span.expClpFlt a.btnExpClpFlt:hover{background-color:transparent !important}

dist/tablefilter/style/themes/mytheme/mytheme.css

@@ -1,6 +1,6 @@
 /** 
  *	 tablefilter v0.1.5 by Max Guglielmi 
- *	 build date: 2016-01-04T06:55:19.313Z 
+ *	 build date: 2016-01-06T05:07:26.429Z 
  *	 MIT License  
  */ 
 table.TF{border-left:1px dotted #81963b !important;border-top:none !important;border-right:0 !important;border-bottom:none !important;}table.TF th{background:#39424b url("images/bg_headers.jpg") left top repeat-x !important;border-bottom:0 !important;border-right:1px dotted #d0d0d0 !important;border-left:0 !important;border-top:0 !important;color:#fff !important}table.TF td{border-bottom:1px dotted #81963b;border-right:1px dotted #81963b;padding:5px !important}.fltrow{background-color:#81963b !important;}.fltrow th,.fltrow td{border-bottom:1px dotted #39424b !important;border-right:1px dotted #fff !important;border-left:0 !important;border-top:0 !important;padding:1px 3px 1px 3px !important}.flt,select.flt,select.flt_multi,.flt_s,.single_flt,.div_checklist{border:1px solid #687830 !important}input.flt{width:99% !important}.inf{background:#d8d8d8;height:$min-height}input.reset{width:53px;background:transparent url("images/btn_filter.png") center center no-repeat !important}.helpBtn:hover{background-color:transparent}.nextPage{background:transparent url("images/btn_next_page.gif") center center no-repeat !important}.previousPage{background:transparent url("images/btn_previous_page.gif") center center no-repeat !important}.firstPage{background:transparent url("images/btn_first_page.gif") center center no-repeat !important}.lastPage{background:transparent url("images/btn_last_page.gif") center center no-repeat !important}div.grd_Cont{background:#81963b url("images/bg_headers.jpg") left top repeat-x !important;border:1px solid #ccc !important;padding:0 1px 1px 1px !important;}div.grd_Cont .even{background-color:#bccd83}div.grd_Cont .odd{background-color:#fff}div.grd_headTblCont{background-color:#ebecee !important;border-bottom:none !important}div.grd_tblCont table{border-right:none !important;}div.grd_tblCont table td{border-bottom:1px dotted #81963b;border-right:1px dotted #81963b}div.grd_tblCont table th,div.grd_headTblCont table th{background:transparent url("images/bg_headers.jpg") 0 0 repeat-x !important;border-bottom:0 !important;border-right:1px dotted #d0d0d0 !important;border-left:0 !important;border-top:0 !important;padding:0 4px 0 4px !important;color:#fff !important;height:35px !important}div.grd_headTblCont table td{border-bottom:1px dotted #39424b !important;border-right:1px dotted #fff !important;border-left:0 !important;border-top:0 !important;background-color:#81963b !important;padding:1px 3px 1px 3px !important}.grd_inf{background-color:#d8d8d8;border-top:1px solid #d0d0d0 !important}.loader{border:0 !important;background:#81963b !important}.defaultLoader{width:32px;height:32px;background:transparent url("images/img_loading.gif") 0 0 no-repeat !important}.even{background-color:#bccd83}.odd{background-color:#fff}span.expClpFlt a.btnExpClpFlt:hover{background-color:transparent !important}

dist/tablefilter/style/themes/skyblue/skyblue.css

@@ -1,6 +1,6 @@
 /** 
  *	 tablefilter v0.1.5 by Max Guglielmi 
- *	 build date: 2016-01-04T06:55:19.313Z 
+ *	 build date: 2016-01-06T05:07:26.429Z 
  *	 MIT License  
  */ 
 table.TF{padding:0;color:#000;border-right:1px solid #a4bed4;border-top:1px solid #a4bed4;border-left:1px solid #a4bed4;border-bottom:0;}table.TF th{margin:0;color:inherit;background:#d1e5fe url("images/bg_skyblue.gif") 0 0 repeat-x;border-color:#fdfdfd #a4bed4 #a4bed4 #fdfdfd;border-width:1px;border-style:solid}table.TF td{margin:0;padding:5px;color:inherit;border-bottom:1px solid #a4bed4;border-left:0;border-top:0;border-right:0}.fltrow{background-color:#d1e5fe !important;}.fltrow th,.fltrow td{padding:1px 3px 1px 3px !important}.flt,select.flt,select.flt_multi,.flt_s,.single_flt,.div_checklist{border:1px solid #a4bed4 !important}input.flt{width:99% !important}.inf{background-color:#e3efff !important;border:1px solid #a4bed4;height:$min-height;color:#004a6f}div.tot,div.status{border-right:0 !important}.helpBtn:hover{background-color:transparent}input.reset{background:transparent url("images/icn_clear_filters.png") center center no-repeat !important}.nextPage{background:transparent url("images/btn_next_page.gif") center center no-repeat !important;border:1px solid transparent !important;}.nextPage:hover{background:#ffe4ab url("images/btn_next_page.gif") center center no-repeat !important;border:1px solid #ffb552 !important}.previousPage{background:transparent url("images/btn_prev_page.gif") center center no-repeat !important;border:1px solid transparent !important;}.previousPage:hover{background:#ffe4ab url("images/btn_prev_page.gif") center center no-repeat !important;border:1px solid #ffb552 !important}.firstPage{background:transparent url("images/btn_first_page.gif") center center no-repeat !important;border:1px solid transparent !important;}.firstPage:hover{background:#ffe4ab url("images/btn_first_page.gif") center center no-repeat !important;border:1px solid #ffb552 !important}.lastPage{background:transparent url("images/btn_last_page.gif") center center no-repeat !important;border:1px solid transparent !important;}.lastPage:hover{background:#ffe4ab url("images/btn_last_page.gif") center center no-repeat !important;border:1px solid #ffb552 !important}.activeHeader{background:#ffe4ab !important;border:1px solid #ffb552 !important;color:inherit !important}div.grd_Cont{background-color:#d9eaed !important;border:1px solid #9cc !important;padding:0 !important;}div.grd_Cont .even{background-color:#fff}div.grd_Cont .odd{background-color:#e3efff}div.grd_headTblCont{background-color:#d9eaed !important;border-bottom:none !important}div.grd_tblCont table{border-right:none !important}div.grd_tblCont table th,div.grd_headTblCont table th,div.grd_headTblCont table td{background:#d9eaed url("images/bg_skyblue.gif") left top repeat-x;border-bottom:1px solid #a4bed4;border-right:1px solid #a4bed4 !important;border-left:1px solid #fff !important;border-top:1px solid #fff !important}div.grd_tblCont table td{border-bottom:1px solid #a4bed4 !important;border-right:0 !important;border-left:0 !important;border-top:0 !important}.grd_inf{background-color:#cce2fe;color:#004a6f;border-top:1px solid #9cc !important;}.grd_inf a{text-decoration:none;font-weight:bold}.loader{background-color:#2d8eef;border:1px solid #cce2fe;border-radius:5px}.even{background-color:#fff}.odd{background-color:#e3efff}span.expClpFlt a.btnExpClpFlt:hover{background-color:transparent !important}.ezActiveRow{background-color:#ffdc61 !important;color:inherit}.ezSelectedRow{background-color:#ffe4ab !important;color:inherit}.ezActiveCell{background-color:#fff !important;color:#000 !important;font-weight:bold}.ezETSelectedCell{background-color:#fff !important;font-weight:bold;color:#000 !important}

src/modules/checkList.js

@@ -1,18 +1,21 @@
+import {Feature} from './feature';
 import Dom from '../dom';
 import Arr from '../array';
 import Str from '../string';
 import Sort from '../sort';
 import Event from '../event';
 
-export class CheckList{
+export class CheckList extends Feature{
 
     /**
      * Checklist UI component
      * @param {Object} tf TableFilter instance
      */
     constructor(tf){
+        super(tf, 'checkList');
+
         // Configuration object
-        var f = tf.config();
+        let f = tf.config();
 
         this.checkListDiv = []; //checklist container div
         //defines css class for div containing checklist filter
@@ -42,9 +45,6 @@ export class CheckList{
         this.opts = null;
         this.optsTxt = null;
         this.excludedOpts = null;
-
-        this.tf = tf;
-        this.emitter = tf.emitter;
     }
 
     // TODO: move event here
@@ -60,6 +60,53 @@ export class CheckList{
         this.onChange(evt);
     }
 
+    onCheckListClick(evt){
+        let elm = Event.target(evt);
+        if(this.tf.loadFltOnDemand && elm.getAttribute('filled') === '0'){
+            let ct = elm.getAttribute('ct');
+            let div = this.checkListDiv[ct];
+            this.build(ct);
+            Event.remove(div, 'click', (evt)=> this.onCheckListClick(evt));
+        }
+    }
+
+    /**
+     * Initialize checklist filter
+     * @param  {Number}     colIndex   Column index
+     * @param  {Boolean}    isExternal External filter flag
+     * @param  {DOMElement} container  Dom element containing the filter
+     */
+    init(colIndex, isExternal, container){
+        let tf = this.tf;
+        let externalFltTgtId = isExternal ?
+            tf.externalFltTgtIds[colIndex] : null;
+
+        let divCont = Dom.create('div',
+            ['id', this.prfxCheckListDiv+colIndex+'_'+tf.id],
+            ['ct', colIndex], ['filled', '0']);
+        divCont.className = this.checkListDivCssClass;
+
+        //filter is appended in desired element
+        if(externalFltTgtId){
+            Dom.id(externalFltTgtId).appendChild(divCont);
+            tf.externalFltEls.push(divCont);
+        } else {
+            container.appendChild(divCont);
+        }
+
+        this.checkListDiv[colIndex] = divCont;
+        tf.fltIds.push(tf.prfxFlt+colIndex+'_'+tf.id);
+
+        if(!tf.loadFltOnDemand){
+            this.build(colIndex);
+        } else {
+            Event.add(divCont, 'click', (evt)=> this.onCheckListClick(evt));
+            divCont.appendChild(Dom.text(this.activateCheckListTxt));
+        }
+
+        this.initialized = true;
+    }
+
     /**
      * Build checklist UI
      * @param  {Number}  colIndex   Column index
@@ -67,7 +114,7 @@ export class CheckList{
      * @param  {String}  extFltId   External container id
      */
     build(colIndex, isExternal=false, extFltId=null){
-        var tf = this.tf;
+        let tf = this.tf;
         colIndex = parseInt(colIndex, 10);
 
         this.emitter.emit('before-populating-filter', tf, colIndex);
@@ -75,41 +122,41 @@ export class CheckList{
         this.opts = [];
         this.optsTxt = [];
 
-        var divFltId = this.prfxCheckListDiv+colIndex+'_'+tf.id;
+        let divFltId = this.prfxCheckListDiv+colIndex+'_'+tf.id;
         if((!Dom.id(divFltId) && !isExternal) ||
             (!Dom.id(extFltId) && isExternal)){
             return;
         }
 
-        var flt = !isExternal ? this.checkListDiv[colIndex] : Dom.id(extFltId);
+        let flt = !isExternal ? this.checkListDiv[colIndex] : Dom.id(extFltId);
-        var ul = Dom.create(
+        let ul = Dom.create(
             'ul', ['id', tf.fltIds[colIndex]], ['colIndex', colIndex]);
         ul.className = this.checkListCssClass;
         Event.add(ul, 'change', (evt) => { this.onChange(evt); });
 
-        var rows = tf.tbl.rows;
+        let rows = tf.tbl.rows;
         this.isCustom = tf.isCustomOptions(colIndex);
 
-        var activeFlt;
+        let activeFlt;
         if(tf.linkedFilters && tf.activeFilterId){
             activeFlt = tf.activeFilterId.split('_')[0];
             activeFlt = activeFlt.split(tf.prfxFlt)[1];
         }
 
-        var filteredDataCol = [];
+        let filteredDataCol = [];
         if(tf.linkedFilters && tf.disableExcludedOptions){
             this.excludedOpts = [];
         }
 
-        for(var k=tf.refRow; k<tf.nbRows; k++){
+        for(let k=tf.refRow; k<tf.nbRows; k++){
             // always visible rows don't need to appear on selects as always
             // valid
             if(tf.hasVisibleRows && tf.visibleRows.indexOf(k) !== -1){
                 continue;
             }
 
-            var cells = rows[k].cells;
+            let cells = rows[k].cells;
-            var ncells = cells.length;
+            let ncells = cells.length;
 
             // checks if row has exact cell #
             if(ncells !== tf.nbCells || this.isCustom){
@@ -117,7 +164,7 @@ export class CheckList{
             }
 
             // this loop retrieves cell data
-            for(var j=0; j<ncells; j++){
+            for(let j=0; j<ncells; j++){
                 // WTF: cyclomatic complexity hell :)
                 if((colIndex===j && (!tf.linkedFilters ||
                     (tf.linkedFilters && tf.disableExcludedOptions)))||
@@ -126,14 +173,14 @@ export class CheckList{
                     (tf.paging && ((!activeFlt || activeFlt===colIndex )||
                     (activeFlt!=colIndex &&
                         tf.validRowsIndex.indexOf(k) != -1)) )))){
-                    var cell_data = tf.getCellData(cells[j]);
+                    let cell_data = tf.getCellData(cells[j]);
                     //Vary Peter's patch
-                    var cell_string = Str.matchCase(cell_data, tf.matchCase);
+                    let cell_string = Str.matchCase(cell_data, tf.matchCase);
                     // checks if celldata is already in array
                     if(!Arr.has(this.opts, cell_string, tf.matchCase)){
                         this.opts.push(cell_data);
                     }
-                    var filteredCol = filteredDataCol[j];
+                    let filteredCol = filteredDataCol[j];
                     if(tf.linkedFilters && tf.disableExcludedOptions){
                         if(!filteredCol){
                             filteredCol = tf.getFilteredDataCol(j);
@@ -151,7 +198,7 @@ export class CheckList{
 
         //Retrieves custom values
         if(this.isCustom){
-            var customValues = tf.getCustomOptions(colIndex);
+            let customValues = tf.getCustomOptions(colIndex);
             this.opts = customValues[0];
             this.optsTxt = customValues[1];
         }
@@ -226,11 +273,11 @@ export class CheckList{
      * @param {Object} ul        Ul element
      */
     addChecks(colIndex, ul){
-        var tf = this.tf;
+        let tf = this.tf;
-        var chkCt = this.addTChecks(colIndex, ul);
+        let chkCt = this.addTChecks(colIndex, ul);
-        var fltArr = []; //remember grid values
+        let fltArr = []; //remember grid values
-        var store = tf.feature('store');
+        let store = tf.feature('store');
-        var tmpVal = store ?
+        let tmpVal = store ?
                 store.getFilterValues(tf.fltsValuesCookie)[colIndex] : null;
         if(tmpVal && Str.trim(tmpVal).length > 0){
             if(tf.hasCustomSlcOptions &&
@@ -241,10 +288,10 @@ export class CheckList{
             }
         }
 
-        for(var y=0; y<this.opts.length; y++){
+        for(let y=0; y<this.opts.length; y++){
-            var val = this.opts[y]; //item value
+            let val = this.opts[y]; //item value
-            var lbl = this.isCustom ? this.optsTxt[y] : val; //item text
+            let lbl = this.isCustom ? this.optsTxt[y] : val; //item text
-            var li = Dom.createCheckItem(
+            let li = Dom.createCheckItem(
                         tf.fltIds[colIndex]+'_'+(y+chkCt), val, lbl);
             li.className = this.checkListItemCssClass;
             if(tf.linkedFilters && tf.disableExcludedOptions &&
@@ -284,9 +331,9 @@ export class CheckList{
      * @param {Object} ul       Ul element
      */
     addTChecks(colIndex, ul){
-        var tf = this.tf;
+        let tf = this.tf;
-        var chkCt = 1;
+        let chkCt = 1;
-        var li0 = Dom.createCheckItem(
+        let li0 = Dom.createCheckItem(
                     tf.fltIds[colIndex]+'_0', '', tf.displayAllText);
         li0.className = this.checkListItemCssClass;
         ul.appendChild(li0);
@@ -300,7 +347,7 @@ export class CheckList{
         }
 
         if(tf.enableEmptyOption){
-            var li1 = Dom.createCheckItem(
+            let li1 = Dom.createCheckItem(
                     tf.fltIds[colIndex]+'_1', tf.emOperator, tf.emptyText);
             li1.className = this.checkListItemCssClass;
             ul.appendChild(li1);
@@ -311,7 +358,7 @@ export class CheckList{
         }
 
         if(tf.enableNonEmptyOption){
-            var li2 = Dom.createCheckItem(
+            let li2 = Dom.createCheckItem(
                 tf.fltIds[colIndex]+'_2',
                 tf.nmOperator,
                 tf.nonEmptyText
@@ -334,32 +381,32 @@ export class CheckList{
         if(!o){
             return;
         }
-        var tf = this.tf;
+        let tf = this.tf;
-        var chkValue = o.value; //checked item value
+        let chkValue = o.value; //checked item value
-        var chkIndex = parseInt(o.id.split('_')[2], 10);
+        let chkIndex = parseInt(o.id.split('_')[2], 10);
-        var filterTag = 'ul', itemTag = 'li';
+        let filterTag = 'ul', itemTag = 'li';
-        var n = o;
+        let n = o;
 
         //ul tag search
         while(Str.lower(n.nodeName)!==filterTag){
             n = n.parentNode;
         }
 
-        var li = n.childNodes[chkIndex];
+        let li = n.childNodes[chkIndex];
-        var colIndex = n.getAttribute('colIndex');
+        let colIndex = n.getAttribute('colIndex');
-        var fltValue = n.getAttribute('value'); //filter value (ul tag)
+        let fltValue = n.getAttribute('value'); //filter value (ul tag)
-        var fltIndexes = n.getAttribute('indexes'); //selected items (ul tag)
+        let fltIndexes = n.getAttribute('indexes'); //selected items (ul tag)
 
         if(o.checked){
             //show all item
             if(chkValue===''){
                 if((fltIndexes && fltIndexes!=='')){
                     //items indexes
-                    var indSplit = fltIndexes.split(tf.separator);
+                    let indSplit = fltIndexes.split(tf.separator);
                     //checked items loop
-                    for(var u=0; u<indSplit.length; u++){
+                    for(let u=0; u<indSplit.length; u++){
                         //checked item
-                        var cChk = Dom.id(tf.fltIds[colIndex]+'_'+indSplit[u]);
+                        let cChk = Dom.id(tf.fltIds[colIndex]+'_'+indSplit[u]);
                         if(cChk){
                             cChk.checked = false;
                             Dom.removeClass(
@@ -392,12 +439,12 @@ export class CheckList{
             }
         } else { //removes values and indexes
             if(chkValue!==''){
-                var replaceValue = new RegExp(
+                let replaceValue = new RegExp(
                         Str.rgxEsc(chkValue+' '+tf.orOperator));
                 fltValue = fltValue.replace(replaceValue,'');
                 n.setAttribute('value', Str.trim(fltValue));
 
-                var replaceIndex = new RegExp(
+                let replaceIndex = new RegExp(
                         Str.rgxEsc(chkIndex + tf.separator));
                 fltIndexes = fltIndexes.replace(replaceIndex, '');
                 n.setAttribute('indexes', fltIndexes);
@@ -407,4 +454,6 @@ export class CheckList{
             }
         }
     }
+
+    destroy(){}
 }

src/modules/dropdown.js

@@ -1,17 +1,21 @@
+import {Feature} from './feature';
 import Dom from '../dom';
 import Arr from '../array';
 import Str from '../string';
 import Sort from '../sort';
+import Event from '../event';
 
-export class Dropdown{
+export class Dropdown extends Feature{
 
     /**
      * Dropdown UI component
      * @param {Object} tf TableFilter instance
      */
     constructor(tf){
+        super(tf, 'dropdown');
+
         // Configuration object
-        var f = tf.config();
+        let f = tf.config();
 
         this.enableSlcResetFilter = f.enable_slc_reset_filter===false ?
             false : true;
@@ -30,9 +34,55 @@ export class Dropdown{
         this.opts = null;
         this.optsTxt = null;
         this.slcInnerHtml = null;
+    }
 
-        this.tf = tf;
+    /**
-        this.emitter = tf.emitter;
+     * Initialize drop-down filter
+     * @param  {Number}     colIndex   Column index
+     * @param  {Boolean}    isExternal External filter flag
+     * @param  {DOMElement} container  Dom element containing the filter
+     */
+    init(colIndex, isExternal, container){
+        let tf = this.tf;
+        let col = tf.getFilterType(colIndex);
+        let externalFltTgtId = isExternal ?
+            tf.externalFltTgtIds[colIndex] : null;
+
+        let slc = Dom.create(tf.fltTypeSlc,
+            ['id', tf.prfxFlt+colIndex+'_'+tf.id],
+            ['ct', colIndex], ['filled', '0']
+        );
+
+        if(col === tf.fltTypeMulti){
+            slc.multiple = tf.fltTypeMulti;
+            slc.title = this.multipleSlcTooltip;
+        }
+        slc.className = Str.lower(col) === tf.fltTypeSlc ?
+            tf.fltCssClass : tf.fltMultiCssClass;
+
+        //filter is appended in container element
+        if(externalFltTgtId){
+            Dom.id(externalFltTgtId).appendChild(slc);
+            tf.externalFltEls.push(slc);
+        } else {
+            container.appendChild(slc);
+        }
+
+        tf.fltIds.push(/*this.prfxFlt+i+'_'+this.id*/slc.id);
+
+        if(!tf.loadFltOnDemand){
+            this.build(colIndex);
+        } else {
+            //1st option is created here since build isn't invoked
+            let opt0 = Dom.createOpt(tf.displayAllText, '');
+            slc.appendChild(opt0);
+        }
+
+        Event.add(slc, 'keypress', tf.Evt.detectKey.bind(tf));
+        Event.add(slc, 'change', tf.Evt.onSlcChange.bind(tf));
+        Event.add(slc, 'focus', tf.Evt.onSlcFocus.bind(tf));
+
+        this.initialized = true;
     }
 
     /**
@@ -43,7 +93,7 @@ export class Dropdown{
      * @param  {String}  extSlcId    External container id
      */
     build(colIndex, isLinked=false, isExternal=false, extSlcId=null){
-        var tf = this.tf;
+        let tf = this.tf;
         colIndex = parseInt(colIndex, 10);
 
         this.emitter.emit('before-populating-filter', tf, colIndex);
@@ -52,12 +102,12 @@ export class Dropdown{
         this.optsTxt = [];
         this.slcInnerHtml = '';
 
-        var slcId = tf.fltIds[colIndex];
+        let slcId = tf.fltIds[colIndex];
         if((!Dom.id(slcId) && !isExternal) ||
             (!Dom.id(extSlcId) && isExternal)){
             return;
         }
-        var slc = !isExternal ? Dom.id(slcId) : Dom.id(extSlcId),
+        let slc = !isExternal ? Dom.id(slcId) : Dom.id(extSlcId),
             rows = tf.tbl.rows,
             matchCase = tf.matchCase;
 
@@ -65,14 +115,14 @@ export class Dropdown{
         this.isCustom = tf.isCustomOptions(colIndex);
 
         //custom selects text
-        var activeFlt;
+        let activeFlt;
         if(isLinked && tf.activeFilterId){
             activeFlt = tf.activeFilterId.split('_')[0];
             activeFlt = activeFlt.split(tf.prfxFlt)[1];
         }
 
         /*** remember grid values ***/
-        var fltsValues = [], fltArr = [];
+        let fltsValues = [], fltArr = [];
         if(tf.rememberGridValues){
             fltsValues =
                 tf.feature('store').getFilterValues(tf.fltsValuesCookie);
@@ -85,21 +135,21 @@ export class Dropdown{
             }
         }
 
-        var excludedOpts = null,
+        let excludedOpts = null,
             filteredDataCol = null;
         if(isLinked && tf.disableExcludedOptions){
             excludedOpts = [];
             filteredDataCol = [];
         }
 
-        for(var k=tf.refRow; k<tf.nbRows; k++){
+        for(let k=tf.refRow; k<tf.nbRows; k++){
             // always visible rows don't need to appear on selects as always
             // valid
             if(tf.hasVisibleRows && tf.visibleRows.indexOf(k) !== -1){
                 continue;
             }
 
-            var cell = rows[k].cells,
+            let cell = rows[k].cells,
                 nchilds = cell.length;
 
             // checks if row has exact cell #
@@ -108,7 +158,7 @@ export class Dropdown{
             }
 
             // this loop retrieves cell data
-            for(var j=0; j<nchilds; j++){
+            for(let j=0; j<nchilds; j++){
                 // WTF: cyclomatic complexity hell
                 if((colIndex===j &&
                     (!isLinked ||
@@ -121,7 +171,7 @@ export class Dropdown{
                         ((activeFlt===undefined || activeFlt==colIndex)  ||
                             (activeFlt!=colIndex &&
                                 tf.validRowsIndex.indexOf(k) != -1 ))) ))){
-                    var cell_data = tf.getCellData(cell[j]),
+                    let cell_data = tf.getCellData(cell[j]),
                         //Vary Peter's patch
                         cell_string = Str.matchCase(cell_data, matchCase);
 
@@ -131,7 +181,7 @@ export class Dropdown{
                     }
 
                     if(isLinked && tf.disableExcludedOptions){
-                        var filteredCol = filteredDataCol[j];
+                        let filteredCol = filteredDataCol[j];
                         if(!filteredCol){
                             filteredCol = tf.getFilteredDataCol(j);
                         }
@@ -148,7 +198,7 @@ export class Dropdown{
 
         //Retrieves custom values
         if(this.isCustom){
-            var customValues = tf.getCustomOptions(colIndex);
+            let customValues = tf.getCustomOptions(colIndex);
             this.opts = customValues[0];
             this.optsTxt = customValues[1];
         }
@@ -223,20 +273,20 @@ export class Dropdown{
      * @param {Array} fltArr        Collection of persisted filter values
      */
     addOptions(colIndex, slc, isLinked, excludedOpts, fltsValues, fltArr){
-        var tf = this.tf,
+        let tf = this.tf,
             fillMethod = Str.lower(this.slcFillingMethod),
             slcValue = slc.value;
 
         slc.innerHTML = '';
         slc = this.addFirstOption(slc);
 
-        for(var y=0; y<this.opts.length; y++){
+        for(let y=0; y<this.opts.length; y++){
             if(this.opts[y]===''){
                 continue;
             }
-            var val = this.opts[y]; //option value
+            let val = this.opts[y]; //option value
-            var lbl = this.isCustom ? this.optsTxt[y] : val; //option text
+            let lbl = this.isCustom ? this.optsTxt[y] : val; //option text
-            var isDisabled = false;
+            let isDisabled = false;
             if(isLinked && tf.disableExcludedOptions &&
                 Arr.has(
                     excludedOpts,
@@ -247,7 +297,7 @@ export class Dropdown{
             }
 
             if(fillMethod === 'innerhtml'){
-                var slcAttr = '';
+                let slcAttr = '';
                 if(tf.loadFltOnDemand && slcValue===this.opts[y]){
                     slcAttr = 'selected="selected"';
                 }
@@ -255,7 +305,7 @@ export class Dropdown{
                     (isDisabled ? 'disabled="disabled"' : '')+ '>' +
                     lbl+'</option>';
             } else {
-                var opt;
+                let opt;
                 //fill select on demand
                 if(tf.loadFltOnDemand && slcValue===this.opts[y] &&
                     tf.getFilterType(colIndex) === tf.fltTypeSlc){
@@ -298,7 +348,7 @@ export class Dropdown{
      * @param {Object} slc Select DOM element
      */
     addFirstOption(slc){
-        var tf = this.tf,
+        let tf = this.tf,
             fillMethod = Str.lower(this.slcFillingMethod);
 
         if(fillMethod === 'innerhtml'){
@@ -306,22 +356,23 @@ export class Dropdown{
                 '</option>';
         }
         else {
-            var opt0 = Dom.createOpt(
+            let opt0 = Dom.createOpt(
                 (!this.enableSlcResetFilter ? '' : tf.displayAllText),'');
             if(!this.enableSlcResetFilter){
                 opt0.style.display = 'none';
             }
             slc.appendChild(opt0);
             if(tf.enableEmptyOption){
-                var opt1 = Dom.createOpt(tf.emptyText, tf.emOperator);
+                let opt1 = Dom.createOpt(tf.emptyText, tf.emOperator);
                 slc.appendChild(opt1);
             }
             if(tf.enableNonEmptyOption){
-                var opt2 = Dom.createOpt(tf.nonEmptyText, tf.nmOperator);
+                let opt2 = Dom.createOpt(tf.nonEmptyText, tf.nmOperator);
                 slc.appendChild(opt2);
             }
         }
         return slc;
     }
 
+    destroy(){}
 }

src/modules/popupFilter.js

@@ -15,7 +15,7 @@ export class PopupFilter extends Feature{
         // Configuration object
         var f = this.config;
 
-        // Enable external filters behaviour
+        // Enable external filters
         tf.isExternalFlt = true;
         tf.externalFltTgtIds = [];
 
@@ -113,6 +113,8 @@ export class PopupFilter extends Feature{
         this.emitter.on(['cell-processed'],
             (tf, cellIndex)=> this.buildIcon(cellIndex, true));
         this.emitter.on(['filters-row-inserted'], ()=> this.tf.headersRow++);
+        this.emitter.on(['before-filter-init'],
+            (tf, colIndex)=> this.build(colIndex));
 
         this.initialized = true;
     }
@@ -265,6 +267,8 @@ export class PopupFilter extends Feature{
         this.emitter.off(['cell-processed'],
             (tf, cellIndex)=> this.buildIcon(cellIndex, true));
         this.emitter.off(['filters-row-inserted'], ()=> this.tf.headersRow++);
+        this.emitter.off(['before-filter-init'],
+            (tf, colIndex)=> this.build(colIndex));
 
         this.initialized = false;
     }

src/tablefilter.js

@@ -209,7 +209,7 @@ export class TableFilter {
         //enables/disables external filters generation
         this.isExternalFlt = Boolean(f.external_flt_grid);
         //array containing ids of external elements containing filters
-        this.externalFltTgtIds = f.external_flt_grid_ids || null;
+        this.externalFltTgtIds = f.external_flt_grid_ids || [];
         //stores filters elements if isExternalFlt is true
         this.externalFltEls = [];
         //delays any filtering process if loader true
@@ -541,7 +541,7 @@ export class TableFilter {
                 let _ev = e || global.event;
                 if(this.popupFilters){ Event.stop(_ev); }
                 if(this.onSlcChange){ this.filter(); }
-            },
+            }/*,
             // fill checklist filter on click if required
             onCheckListClick(e) {
                 let _ev = e || global.event;
@@ -552,7 +552,7 @@ export class TableFilter {
                     this.Mod.checkList.checkListDiv[ct].onclick = null;
                     this.Mod.checkList.checkListDiv[ct].title = '';
                 }
-            }
+            }*/
         };
     }
 
@@ -651,16 +651,17 @@ export class TableFilter {
                 this.nbVisibleRows = this.nbFilterableRows;
                 this.nbRows = this.tbl.rows.length;
 
-                for(let i=0; i<n; i++){// this loop adds filters
+                // Generate filters
+                for(let i=0; i<n; i++){
 
-                    if(this.popupFilters){
+                    // if(this.popupFilters){
-                        Mod.popupFilter.build(i);
+                    //     Mod.popupFilter.build(i);
-                    }
+                    // }
+                    this.emitter.emit('before-filter-init', this, i);
 
                     let fltcell = Dom.create(this.fltCellTag),
                         col = this.getFilterType(i),
-                        externalFltTgtId =
+                        externalFltTgtId = this.isExternalFlt ?
-                            this.isExternalFlt && this.externalFltTgtIds ?
                             this.externalFltTgtIds[i] : null;
 
                     if(this.singleSearchFlt){
@@ -683,78 +684,84 @@ export class TableFilter {
                         if(!Mod.dropdown){
                             Mod.dropdown = new Dropdown(this);
                         }
-                        let dropdown = Mod.dropdown;
+                        Mod.dropdown.init(i, this.isExternalFlt, fltcell);
+                        // let dropdown = Mod.dropdown;
 
-                        let slc = Dom.create(this.fltTypeSlc,
+                        // let slc = Dom.create(this.fltTypeSlc,
-                                ['id', this.prfxFlt+i+'_'+this.id],
+                        //         ['id', this.prfxFlt+i+'_'+this.id],
-                                ['ct', i], ['filled', '0']
+                        //         ['ct', i], ['filled', '0']
-                            );
+                        //     );
 
-                        if(col===this.fltTypeMulti){
+                        // if(col===this.fltTypeMulti){
-                            slc.multiple = this.fltTypeMulti;
+                        //     slc.multiple = this.fltTypeMulti;
-                            slc.title = dropdown.multipleSlcTooltip;
+                        //     slc.title = dropdown.multipleSlcTooltip;
-                        }
+                        // }
-                        slc.className = Str.lower(col) === this.fltTypeSlc ?
+                        // slc.className = Str.lower(col) === this.fltTypeSlc ?
-                            inpclass : this.fltMultiCssClass;
+                        //     inpclass : this.fltMultiCssClass;
 
-                        //filter is appended in desired external element
+                        // //filter is appended in desired external element
-                        if(externalFltTgtId){
+                        // if(externalFltTgtId){
-                            Dom.id(externalFltTgtId).appendChild(slc);
+                        //     Dom.id(externalFltTgtId).appendChild(slc);
-                            this.externalFltEls.push(slc);
+                        //     this.externalFltEls.push(slc);
-                        } else {
+                        // } else {
-                            fltcell.appendChild(slc);
+                        //     fltcell.appendChild(slc);
-                        }
+                        // }
 
-                        this.fltIds.push(this.prfxFlt+i+'_'+this.id);
+                        // this.fltIds.push(this.prfxFlt+i+'_'+this.id);
 
-                        if(!this.loadFltOnDemand){
+                        // if(!this.loadFltOnDemand){
-                            dropdown.build(i);
+                        //     dropdown.build(i);
-                        }
+                        // }
 
-                        Event.add(slc, 'keypress',
+                        // Event.add(slc, 'keypress',
-                            this.Evt.detectKey.bind(this));
+                        //     this.Evt.detectKey.bind(this));
-                        Event.add(slc, 'change',
+                        // Event.add(slc, 'change',
-                            this.Evt.onSlcChange.bind(this));
+                        //     this.Evt.onSlcChange.bind(this));
-                        Event.add(slc, 'focus', this.Evt.onSlcFocus.bind(this));
+                        // Event.add(slc, 'focus',
+                        // this.Evt.onSlcFocus.bind(this));
 
-                        //1st option is created here since dropdown.build isn't
+                        // 1st option is created here since dropdown.build isn't
-                        //invoked
+                        // invoked
-                        if(this.loadFltOnDemand){
+                        // if(this.loadFltOnDemand){
-                            let opt0 = Dom.createOpt(this.displayAllText, '');
+                        //    let opt0 = Dom.createOpt(this.displayAllText, '');
-                            slc.appendChild(opt0);
+                        //     slc.appendChild(opt0);
-                        }
+                        // }
                     }
                     // checklist
                     else if(col===this.fltTypeCheckList){
-                        let checkList;
+                        // let checkList;
-                        Mod.checkList = new CheckList(this);
+                        // Mod.checkList = new CheckList(this);
-                        checkList = Mod.checkList;
+                        // checkList = Mod.checkList;
-
+                        if(!Mod.checkList){
-                        let divCont = Dom.create('div',
+                            Mod.checkList = new CheckList(this);
-                            ['id', checkList.prfxCheckListDiv+i+'_'+this.id],
-                            ['ct', i], ['filled', '0']);
-                        divCont.className = checkList.checkListDivCssClass;
-
-                        //filter is appended in desired element
-                        if(externalFltTgtId){
-                            Dom.id(externalFltTgtId).appendChild(divCont);
-                            this.externalFltEls.push(divCont);
-                        } else {
-                            fltcell.appendChild(divCont);
                         }
+                        Mod.checkList.init(i, this.isExternalFlt, fltcell);
 
-                        checkList.checkListDiv[i] = divCont;
+                        // let divCont = Dom.create('div',
-                        this.fltIds.push(this.prfxFlt+i+'_'+this.id);
+                        //     ['id', checkList.prfxCheckListDiv+i+'_'+this.id],
-                        if(!this.loadFltOnDemand){
+                        //     ['ct', i], ['filled', '0']);
-                            checkList.build(i);
+                        // divCont.className = checkList.checkListDivCssClass;
-                        }
 
-                        if(this.loadFltOnDemand){
+                        // //filter is appended in desired element
-                            Event.add(divCont, 'click',
+                        // if(externalFltTgtId){
-                                this.Evt.onCheckListClick.bind(this));
+                        //     Dom.id(externalFltTgtId).appendChild(divCont);
-                            divCont.appendChild(
+                        //     this.externalFltEls.push(divCont);
-                                Dom.text(checkList.activateCheckListTxt));
+                        // } else {
-                        }
+                        //     fltcell.appendChild(divCont);
+                        // }
+
+                        // checkList.checkListDiv[i] = divCont;
+                        // this.fltIds.push(this.prfxFlt+i+'_'+this.id);
+                        // if(!this.loadFltOnDemand){
+                        //     checkList.build(i);
+                        // }
+
+                        // if(this.loadFltOnDemand){
+                        //     Event.add(divCont, 'click',
+                        //         this.Evt.onCheckListClick.bind(this));
+                        //     divCont.appendChild(
+                        //         Dom.text(checkList.activateCheckListTxt));
+                        // }
                     }
 
                     else{
@@ -815,6 +822,7 @@ export class TableFilter {
                         Event.add(btn, 'click', ()=> this.filter());
                     }//if
 
+                    this.emitter.emit('after-filter-init', this, i);
                 }// for i
 
             } else {
@@ -1253,7 +1261,7 @@ export class TableFilter {
      * Remove all the external column filters
      */
     removeExternalFlts(){
-        if(!this.isExternalFlt || !this.externalFltTgtIds){
+        if(!this.isExternalFlt){
             return;
         }
         let ids = this.externalFltTgtIds,