2014-11-16 01:29:07 +01:00
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import {Dom} from '../dom';
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import {Types} from '../types';
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import {Helpers} from '../helpers';
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export class RowsCounter{
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2014-11-16 11:01:29 +01:00
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2014-11-16 01:29:07 +01:00
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/**
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* Rows counter
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* @param {Object} tf TableFilter instance
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*/
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constructor(tf){
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// TableFilter configuration
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var f = tf.fObj;
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//id of custom container element
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this.rowsCounterTgtId = f.rows_counter_target_id || null;
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//element containing tot nb rows
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this.rowsCounterDiv = null;
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//element containing tot nb rows label
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this.rowsCounterSpan = null;
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//defines rows counter text
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this.rowsCounterText = f.rows_counter_text || 'Rows: ';
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this.fromToTextSeparator = f.from_to_text_separator || '-';
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this.overText = f.over_text || ' / ';
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//defines css class rows counter
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this.totRowsCssClass = f.tot_rows_css_class || 'tot';
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//callback raised before counter is refreshed
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2014-11-16 11:01:29 +01:00
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this.onBeforeRefreshCounter = Types.isFn(f.on_before_refresh_counter) ?
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f.on_before_refresh_counter : null;
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2014-11-16 01:29:07 +01:00
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//callback raised after counter is refreshed
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this.onAfterRefreshCounter = Types.isFn(f.on_after_refresh_counter) ?
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f.on_after_refresh_counter : null;
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this.tf = tf;
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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) || this.rowsCounterSpan){
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return;
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}
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//rows counter container
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var countDiv = Dom.create('div', ['id', tf.prfxCounter+tf.id]);
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countDiv.className = this.totRowsCssClass;
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//rows counter label
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var countSpan = Dom.create('span', ['id', tf.prfxTotRows+tf.id]);
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var countText = Dom.create('span', ['id', tf.prfxTotRowsTxt+tf.id]);
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countText.appendChild(Dom.text(this.rowsCounterText));
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// counter is added to defined element
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if(!this.rowsCounterTgtId){
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tf.SetTopDiv();
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}
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var targetEl = !this.rowsCounterTgtId ?
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tf.lDiv : Dom.id( this.rowsCounterTgtId );
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//IE only: clears all for sure
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if(this.rowsCounterDiv && Helpers.isIE()){
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this.rowsCounterDiv.outerHTML = '';
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}
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//default container: 'lDiv'
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if(!this.rowsCounterTgtId){
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countDiv.appendChild(countText);
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countDiv.appendChild(countSpan);
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targetEl.appendChild(countDiv);
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}
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else{
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//custom container, no need to append statusDiv
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targetEl.appendChild(countText);
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targetEl.appendChild(countSpan);
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}
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this.rowsCounterDiv = countDiv;
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this.rowsCounterSpan = countSpan;
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this.refresh();
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}
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refresh(p){
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if(!this.rowsCounterSpan){
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return;
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}
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var tf = this.tf;
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if(this.onBeforeRefreshCounter){
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this.onBeforeRefreshCounter.call(null, tf, this.rowsCounterSpan);
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}
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var totTxt;
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if(!tf.paging){
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if(p && p !== ''){
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totTxt = p;
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} else{
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totTxt = tf.nbFilterableRows - tf.nbHiddenRows -
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(tf.hasVisibleRows ? tf.visibleRows.length : 0);
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}
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} else {
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//paging start row
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var paging_start_row = parseInt(tf.startPagingRow, 10) +
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((tf.nbVisibleRows>0) ? 1 : 0);
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var paging_end_row = (paging_start_row+tf.pagingLength)-1 <=
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tf.nbVisibleRows ? paging_start_row+tf.pagingLength-1 :
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tf.nbVisibleRows;
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totTxt = paging_start_row + this.fromToTextSeparator +
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paging_end_row + this.overText + tf.nbVisibleRows;
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}
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this.rowsCounterSpan.innerHTML = totTxt;
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if(this.onAfterRefreshCounter){
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this.onAfterRefreshCounter.call(
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null, tf, this.rowsCounterSpan, totTxt);
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}
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}
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destroy(){
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var tf = this.tf;
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if(!tf.hasGrid){
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return;
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}
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if(!this.rowsCounterSpan){
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return;
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}
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if(!this.rowsCounterTgtId && this.rowsCounterDiv){
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//IE only: clears all for sure
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if(Helpers.isIE()){
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this.rowsCounterDiv.outerHTML = '';
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} else {
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this.rowsCounterDiv.parentNode.removeChild(this.rowsCounterDiv);
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}
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} else {
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Dom.id( this.rowsCounterTgtId ).innerHTML = '';
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}
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this.rowsCounterSpan = null;
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this.rowsCounterDiv = null;
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}
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}
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