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TableFilter/doc/file/src/modules/rowsCounter.js.html
Max Guglielmi 1099027c8e Added documentation generated with esdoc
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<title data-ice="title">src/modules/rowsCounter.js | TableFilter v0.0.0 API Document</title>
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<div class="content" data-ice="content"><h1 data-ice="title">src/modules/rowsCounter.js</h1>
<pre class="source-code line-number"><code class="prettyprint linenums" data-ice="content">import Dom from &apos;../dom&apos;;
import Types from &apos;../types&apos;;
export class RowsCounter{
/**
* Rows counter
* @param {Object} tf TableFilter instance
*/
constructor(tf){
// TableFilter configuration
var f = tf.config();
//id of custom container element
this.rowsCounterTgtId = f.rows_counter_target_id || null;
//element containing tot nb rows
this.rowsCounterDiv = null;
//element containing tot nb rows label
this.rowsCounterSpan = null;
//defines rows counter text
this.rowsCounterText = f.rows_counter_text || &apos;Rows: &apos;;
this.fromToTextSeparator = f.from_to_text_separator || &apos;-&apos;;
this.overText = f.over_text || &apos; / &apos;;
//defines css class rows counter
this.totRowsCssClass = f.tot_rows_css_class || &apos;tot&apos;;
//rows counter div
this.prfxCounter = &apos;counter_&apos;;
//nb displayed rows label
this.prfxTotRows = &apos;totrows_span_&apos;;
//label preceding nb rows label
this.prfxTotRowsTxt = &apos;totRowsTextSpan_&apos;;
//callback raised before counter is refreshed
this.onBeforeRefreshCounter = Types.isFn(f.on_before_refresh_counter) ?
f.on_before_refresh_counter : null;
//callback raised after counter is refreshed
this.onAfterRefreshCounter = Types.isFn(f.on_after_refresh_counter) ?
f.on_after_refresh_counter : null;
this.tf = tf;
}
init(){
var tf = this.tf;
if((!tf.hasGrid() &amp;&amp; !tf.isFirstLoad) || this.rowsCounterSpan){
return;
}
//rows counter container
var countDiv = Dom.create(&apos;div&apos;, [&apos;id&apos;, this.prfxCounter+tf.id]);
countDiv.className = this.totRowsCssClass;
//rows counter label
var countSpan = Dom.create(&apos;span&apos;, [&apos;id&apos;, this.prfxTotRows+tf.id]);
var countText = Dom.create(&apos;span&apos;, [&apos;id&apos;, this.prfxTotRowsTxt+tf.id]);
countText.appendChild(Dom.text(this.rowsCounterText));
// counter is added to defined element
if(!this.rowsCounterTgtId){
tf.setToolbar();
}
var targetEl = !this.rowsCounterTgtId ?
tf.lDiv : Dom.id( this.rowsCounterTgtId );
//default container: &apos;lDiv&apos;
if(!this.rowsCounterTgtId){
countDiv.appendChild(countText);
countDiv.appendChild(countSpan);
targetEl.appendChild(countDiv);
}
else{
//custom container, no need to append statusDiv
targetEl.appendChild(countText);
targetEl.appendChild(countSpan);
}
this.rowsCounterDiv = countDiv;
this.rowsCounterSpan = countSpan;
this.refresh();
}
refresh(p){
if(!this.rowsCounterSpan){
return;
}
var tf = this.tf;
if(this.onBeforeRefreshCounter){
this.onBeforeRefreshCounter.call(null, tf, this.rowsCounterSpan);
}
var totTxt;
if(!tf.paging){
if(p &amp;&amp; p !== &apos;&apos;){
totTxt = p;
} else{
totTxt = tf.nbFilterableRows - tf.nbHiddenRows;
}
} else {
var paging = tf.feature(&apos;paging&apos;);
if(paging){
//paging start row
var paging_start_row = parseInt(paging.startPagingRow, 10) +
((tf.nbVisibleRows&gt;0) ? 1 : 0);
var paging_end_row = (paging_start_row+paging.pagingLength)-1 &lt;=
tf.nbVisibleRows ?
paging_start_row+paging.pagingLength-1 :
tf.nbVisibleRows;
totTxt = paging_start_row + this.fromToTextSeparator +
paging_end_row + this.overText + tf.nbVisibleRows;
}
}
this.rowsCounterSpan.innerHTML = totTxt;
if(this.onAfterRefreshCounter){
this.onAfterRefreshCounter.call(
null, tf, this.rowsCounterSpan, totTxt);
}
}
destroy(){
var tf = this.tf;
if(!tf.hasGrid() || !this.rowsCounterSpan){
return;
}
if(!this.rowsCounterTgtId &amp;&amp; this.rowsCounterDiv){
this.rowsCounterDiv.parentNode.removeChild(this.rowsCounterDiv);
} else {
Dom.id(this.rowsCounterTgtId).innerHTML = &apos;&apos;;
}
this.rowsCounterSpan = null;
this.rowsCounterDiv = null;
}
}
</code></pre>
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