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TableFilter/dist/TF_Modules/tf_rowsCounter.js

100 lines
4.2 KiB
JavaScript

/*------------------------------------------------------------------------
- HTML Table Filter Generator
- Rows counter feature v1.3
- By Max Guglielmi (tablefilter.free.fr)
- Licensed under the MIT License
-------------------------------------------------------------------------*/
TF.prototype.SetRowsCounter = function()
/*====================================================
- Generates rows counter label
=====================================================*/
{
if(!this.hasGrid && !this.isFirstLoad) return;
if( this.rowsCounterSpan!=null ) return;
var f = this.fObj;
this.rowsCounterTgtId = f.rows_counter_target_id!=undefined //id of custom container element
? f.rows_counter_target_id : null;
this.rowsCounterDiv = null; //element containing tot nb rows
this.rowsCounterSpan = null; //element containing tot nb rows label
this.rowsCounterText = f.rows_counter_text!=undefined ? f.rows_counter_text : 'Rows: '; //defines rows counter text
this.fromToTextSeparator = f.from_to_text_separator!=undefined ? f.from_to_text_separator : '-';
this.overText = f.over_text!=undefined ? f.over_text : ' / ';
this.totRowsCssClass = f.tot_rows_css_class!=undefined ? f.tot_rows_css_class : 'tot'; //defines css class rows counter
this.onBeforeRefreshCounter = tf_IsFn(f.on_before_refresh_counter) ? f.on_before_refresh_counter : null; //callback raised before counter is refreshed
this.onAfterRefreshCounter = tf_IsFn(f.on_after_refresh_counter) ? f.on_after_refresh_counter : null; //callback raised after counter is refreshed
var countDiv = tf_CreateElm( 'div',['id',this.prfxCounter+this.id] ); //rows counter container
countDiv.className = this.totRowsCssClass;
var countSpan = tf_CreateElm( 'span',['id',this.prfxTotRows+this.id] ); //rows counter label
var countText = tf_CreateElm( 'span',['id',this.prfxTotRowsTxt+this.id] );
countText.appendChild( tf_CreateText(this.rowsCounterText) );
// counter is added to defined element
if(this.rowsCounterTgtId==null) this.SetTopDiv();
var targetEl = ( this.rowsCounterTgtId==null ) ? this.lDiv : tf_Id( this.rowsCounterTgtId );
//IE only: clears all for sure
if(this.rowsCounterDiv && tf_isIE)
this.rowsCounterDiv.outerHTML = '';
if( this.rowsCounterTgtId==null )
{//default container: 'lDiv'
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 = tf_Id( this.prfxCounter+this.id );
this.rowsCounterSpan = tf_Id( this.prfxTotRows+this.id );
this.RefreshNbRows();
}
TF.prototype.RemoveRowsCounter = function()
/*====================================================
- Removes rows counter label
=====================================================*/
{
if(!this.hasGrid) return;
if( this.rowsCounterSpan==null ) return;
if(this.rowsCounterTgtId==null && this.rowsCounterDiv)
{
//IE only: clears all for sure
if(tf_isIE) this.rowsCounterDiv.outerHTML = '';
else
this.rowsCounterDiv.parentNode.removeChild(
this.rowsCounterDiv
);
} else {
tf_Id( this.rowsCounterTgtId ).innerHTML = '';
}
this.rowsCounterSpan = null;
this.rowsCounterDiv = null;
}
TF.prototype.RefreshNbRows = function(p)
/*====================================================
- Shows total number of filtered rows
=====================================================*/
{
if(this.rowsCounterSpan == null) return;
if(this.onBeforeRefreshCounter) this.onBeforeRefreshCounter.call(null, this, this.rowsCounterSpan);
var totTxt;
if(!this.paging)
{
if(p!=undefined && p!='') totTxt=p;
else totTxt = (this.nbFilterableRows - this.nbHiddenRows - (this.hasVisibleRows ? this.visibleRows.length : 0) );
} else {
var paging_start_row = parseInt(this.startPagingRow)+((this.nbVisibleRows>0) ? 1 : 0);//paging start row
var paging_end_row = (paging_start_row+this.pagingLength)-1 <= this.nbVisibleRows
? (paging_start_row+this.pagingLength)-1 : this.nbVisibleRows;
totTxt = paging_start_row+ this.fromToTextSeparator +paging_end_row+ this.overText +this.nbVisibleRows;
}
this.rowsCounterSpan.innerHTML = totTxt;
if(this.onAfterRefreshCounter) this.onAfterRefreshCounter.call(null, this, this.rowsCounterSpan, totTxt);
}