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183 lines
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<title data-ice="title">src/modules/alternateRows.js | TableFilter v0.0.0 API Document</title>
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<div class="content" data-ice="content"><h1 data-ice="title">src/modules/alternateRows.js</h1>
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<pre class="source-code line-number"><code class="prettyprint linenums" data-ice="content">import Dom from '../dom';
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export class AlternateRows{
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/**
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* Alternating rows color
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* @param {Object} tf TableFilter instance
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*/
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constructor(tf) {
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var f = tf.config();
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//defines css class for even rows
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this.evenCss = f.even_row_css_class || 'even';
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//defines css class for odd rows
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this.oddCss = f.odd_row_css_class || 'odd';
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this.tf = tf;
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}
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/**
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* Sets alternating rows color
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*/
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init() {
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var tf = this.tf;
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if(!tf.hasGrid() && !tf.isFirstLoad){
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return;
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}
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var validRowsIndex = tf.validRowsIndex;
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var noValidRowsIndex = validRowsIndex===null;
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//1st index
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var beginIndex = noValidRowsIndex ? tf.refRow : 0;
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// nb indexes
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var indexLen = noValidRowsIndex ?
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tf.nbFilterableRows+beginIndex :
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validRowsIndex.length;
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var idx = 0;
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//alternates bg color
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for(var j=beginIndex; j<indexLen; j++){
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var rowIdx = noValidRowsIndex ? j : validRowsIndex[j];
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this.setRowBg(rowIdx, idx);
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idx++;
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}
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}
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/**
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* Sets row background color
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* @param {Number} rowIdx Row index
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* @param {Number} idx Valid rows collection index needed to calculate bg
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* color
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*/
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setRowBg(rowIdx, idx) {
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if(!this.tf.alternateBgs || isNaN(rowIdx)){
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return;
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}
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var rows = this.tf.tbl.rows;
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var i = isNaN(idx) ? rowIdx : idx;
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this.removeRowBg(rowIdx);
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Dom.addClass(
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rows[rowIdx],
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(i%2) ? this.evenCss : this.oddCss
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);
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}
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/**
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* Removes row background color
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* @param {Number} idx Row index
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*/
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removeRowBg(idx) {
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if(isNaN(idx)){
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return;
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}
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var rows = this.tf.tbl.rows;
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Dom.removeClass(rows[idx], this.oddCss);
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Dom.removeClass(rows[idx], this.evenCss);
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}
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/**
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* Removes all alternating backgrounds
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*/
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remove() {
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if(!this.tf.hasGrid()){
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return;
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}
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for(var i=this.tf.refRow; i<this.tf.nbRows; i++){
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this.removeRowBg(i);
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}
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}
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enable() {
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this.tf.alternateBgs = true;
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}
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disable() {
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this.tf.alternateBgs = false;
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}
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}
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</code></pre>
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