mirror of
https://github.com/koalyptus/TableFilter.git
synced 2024-05-02 22:53:17 +02:00
430 lines
15 KiB
JavaScript
430 lines
15 KiB
JavaScript
import {Feature} from './feature';
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import Dom from '../dom';
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import Arr from '../array';
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import Str from '../string';
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import Sort from '../sort';
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import Event from '../event';
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export class CheckList extends Feature{
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/**
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* Checklist UI component
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* @param {Object} tf TableFilter instance
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*/
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constructor(tf){
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super(tf, 'checkList');
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// Configuration object
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let f = tf.config();
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this.checkListDiv = []; //checklist container div
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//defines css class for div containing checklist filter
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this.checkListDivCssClass = f.div_checklist_css_class ||
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'div_checklist';
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//defines css class for checklist filters
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this.checkListCssClass = f.checklist_css_class || 'flt_checklist';
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//defines css class for checklist item (li)
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this.checkListItemCssClass = f.checklist_item_css_class ||
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'flt_checklist_item';
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//defines css class for selected checklist item (li)
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this.checkListSlcItemCssClass = f.checklist_selected_item_css_class ||
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'flt_checklist_slc_item';
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//Load on demand text
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this.activateCheckListTxt = f.activate_checklist_text ||
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'Click to load filter data';
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//defines css class for checklist filters
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this.checkListItemDisabledCssClass =
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f.checklist_item_disabled_css_class ||
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'flt_checklist_item_disabled';
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this.enableCheckListResetFilter =
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f.enable_checklist_reset_filter===false ? false : true;
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//checklist filter container div
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this.prfxCheckListDiv = 'chkdiv_';
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this.isCustom = null;
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this.opts = null;
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this.optsTxt = null;
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this.excludedOpts = null;
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}
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onChange(evt){
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let elm = evt.target;
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let tf = this.tf;
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tf.activeFilterId = elm.getAttribute('id');
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tf.activeFlt = Dom.id(tf.activeFilterId);
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tf.filter();
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// this.tf.Evt.onSlcChange.call(this.tf, evt);
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}
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optionClick(evt){
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this.setCheckListValues(evt.target);
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this.onChange(evt);
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}
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onCheckListClick(evt){
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let elm = Event.target(evt);
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if(this.tf.loadFltOnDemand && elm.getAttribute('filled') === '0'){
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let ct = elm.getAttribute('ct');
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let div = this.checkListDiv[ct];
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this.build(ct);
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Event.remove(div, 'click', (evt)=> this.onCheckListClick(evt));
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}
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}
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/**
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* Initialize checklist filter
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* @param {Number} colIndex Column index
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* @param {Boolean} isExternal External filter flag
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* @param {DOMElement} container Dom element containing the filter
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*/
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init(colIndex, isExternal, container){
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let tf = this.tf;
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let externalFltTgtId = isExternal ?
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tf.externalFltTgtIds[colIndex] : null;
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let divCont = Dom.create('div',
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['id', this.prfxCheckListDiv+colIndex+'_'+tf.id],
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['ct', colIndex], ['filled', '0']);
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divCont.className = this.checkListDivCssClass;
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//filter is appended in desired element
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if(externalFltTgtId){
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Dom.id(externalFltTgtId).appendChild(divCont);
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tf.externalFltEls.push(divCont);
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} else {
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container.appendChild(divCont);
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}
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this.checkListDiv[colIndex] = divCont;
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tf.fltIds.push(tf.prfxFlt+colIndex+'_'+tf.id);
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if(!tf.loadFltOnDemand){
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this.build(colIndex);
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} else {
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Event.add(divCont, 'click', (evt)=> this.onCheckListClick(evt));
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divCont.appendChild(Dom.text(this.activateCheckListTxt));
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}
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this.initialized = true;
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}
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/**
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* Build checklist UI
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* @param {Number} colIndex Column index
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* @param {Boolean} isExternal Render in external container
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* @param {String} extFltId External container id
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*/
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build(colIndex, isExternal=false, extFltId=null){
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let tf = this.tf;
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colIndex = parseInt(colIndex, 10);
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this.emitter.emit('before-populating-filter', tf, colIndex);
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this.opts = [];
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this.optsTxt = [];
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let divFltId = this.prfxCheckListDiv+colIndex+'_'+tf.id;
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if((!Dom.id(divFltId) && !isExternal) ||
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(!Dom.id(extFltId) && isExternal)){
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return;
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}
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let flt = !isExternal ? this.checkListDiv[colIndex] : Dom.id(extFltId);
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let ul = Dom.create(
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'ul', ['id', tf.fltIds[colIndex]], ['colIndex', colIndex]);
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ul.className = this.checkListCssClass;
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Event.add(ul, 'change', (evt)=> this.onChange(evt));
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let rows = tf.tbl.rows;
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this.isCustom = tf.isCustomOptions(colIndex);
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let activeFlt;
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if(tf.linkedFilters && tf.activeFilterId){
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activeFlt = tf.activeFilterId.split('_')[0];
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activeFlt = activeFlt.split(tf.prfxFlt)[1];
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}
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let filteredDataCol = [];
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if(tf.linkedFilters && tf.disableExcludedOptions){
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this.excludedOpts = [];
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}
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for(let k=tf.refRow; k<tf.nbRows; k++){
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// always visible rows don't need to appear on selects as always
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// valid
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if(tf.hasVisibleRows && tf.visibleRows.indexOf(k) !== -1){
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continue;
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}
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let cells = rows[k].cells;
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let ncells = cells.length;
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// checks if row has exact cell #
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if(ncells !== tf.nbCells || this.isCustom){
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continue;
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}
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// this loop retrieves cell data
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for(let j=0; j<ncells; j++){
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// WTF: cyclomatic complexity hell :)
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if((colIndex===j && (!tf.linkedFilters ||
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(tf.linkedFilters && tf.disableExcludedOptions)))||
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(colIndex===j && tf.linkedFilters &&
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((rows[k].style.display === '' && !tf.paging) ||
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(tf.paging && ((!activeFlt || activeFlt===colIndex )||
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(activeFlt!=colIndex &&
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tf.validRowsIndex.indexOf(k) != -1)) )))){
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let cell_data = tf.getCellData(cells[j]);
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//Vary Peter's patch
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let cell_string = Str.matchCase(cell_data, tf.matchCase);
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// checks if celldata is already in array
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if(!Arr.has(this.opts, cell_string, tf.matchCase)){
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this.opts.push(cell_data);
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}
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let filteredCol = filteredDataCol[j];
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if(tf.linkedFilters && tf.disableExcludedOptions){
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if(!filteredCol){
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filteredCol = tf.getFilteredDataCol(j);
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}
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if(!Arr.has(filteredCol, cell_string, tf.matchCase) &&
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!Arr.has(this.excludedOpts,
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cell_string, tf.matchCase) &&
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!tf.isFirstLoad){
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this.excludedOpts.push(cell_data);
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}
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}
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}
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}
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}
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//Retrieves custom values
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if(this.isCustom){
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let customValues = tf.getCustomOptions(colIndex);
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this.opts = customValues[0];
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this.optsTxt = customValues[1];
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}
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if(tf.sortSlc && !this.isCustom){
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if (!tf.matchCase){
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this.opts.sort(Sort.ignoreCase);
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if(this.excludedOpts){
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this.excludedOpts.sort(Sort.ignoreCase);
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}
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} else {
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this.opts.sort();
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if(this.excludedOpts){
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this.excludedOpts.sort();
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}
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}
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}
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//asc sort
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if(tf.sortNumAsc && tf.sortNumAsc.indexOf(colIndex) != -1){
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try{
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this.opts.sort(numSortAsc);
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if(this.excludedOpts){
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this.excludedOpts.sort(numSortAsc);
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}
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if(this.isCustom){
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this.optsTxt.sort(numSortAsc);
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}
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} catch(e) {
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this.opts.sort();
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if(this.excludedOpts){
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this.excludedOpts.sort();
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}
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if(this.isCustom){
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this.optsTxt.sort();
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}
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}//in case there are alphanumeric values
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}
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//desc sort
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if(tf.sortNumDesc && tf.sortNumDesc.indexOf(colIndex) != -1){
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try{
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this.opts.sort(numSortDesc);
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if(this.excludedOpts){
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this.excludedOpts.sort(numSortDesc);
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}
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if(this.isCustom){
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this.optsTxt.sort(numSortDesc);
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}
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} catch(e) {
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this.opts.sort();
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if(this.excludedOpts){
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this.excludedOpts.sort(); }
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if(this.isCustom){
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this.optsTxt.sort();
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}
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}//in case there are alphanumeric values
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}
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this.addChecks(colIndex, ul, tf.separator);
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if(tf.loadFltOnDemand){
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flt.innerHTML = '';
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}
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flt.appendChild(ul);
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flt.setAttribute('filled', '1');
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this.emitter.emit('after-populating-filter', tf, colIndex, flt);
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}
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/**
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* Add checklist options
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* @param {Number} colIndex Column index
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* @param {Object} ul Ul element
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*/
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addChecks(colIndex, ul){
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let tf = this.tf;
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let chkCt = this.addTChecks(colIndex, ul);
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for(let y=0; y<this.opts.length; y++){
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let val = this.opts[y]; //item value
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let lbl = this.isCustom ? this.optsTxt[y] : val; //item text
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let li = Dom.createCheckItem(
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tf.fltIds[colIndex]+'_'+(y+chkCt), val, lbl);
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li.className = this.checkListItemCssClass;
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if(tf.linkedFilters && tf.disableExcludedOptions &&
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Arr.has(this.excludedOpts,
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Str.matchCase(val, tf.matchCase), tf.matchCase)){
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Dom.addClass(li, this.checkListItemDisabledCssClass);
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li.check.disabled = true;
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li.disabled = true;
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} else {
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Event.add(li.check, 'click', (evt)=> this.optionClick(evt));
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}
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ul.appendChild(li);
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if(val===''){
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//item is hidden
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li.style.display = 'none';
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}
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}
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}
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/**
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* Add checklist header option
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* @param {Number} colIndex Column index
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* @param {Object} ul Ul element
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*/
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addTChecks(colIndex, ul){
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let tf = this.tf;
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let chkCt = 1;
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let li0 = Dom.createCheckItem(
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tf.fltIds[colIndex]+'_0', '', tf.displayAllText);
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li0.className = this.checkListItemCssClass;
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ul.appendChild(li0);
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Event.add(li0.check, 'click', (evt)=> this.optionClick(evt));
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if(!this.enableCheckListResetFilter){
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li0.style.display = 'none';
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}
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if(tf.enableEmptyOption){
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let li1 = Dom.createCheckItem(
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tf.fltIds[colIndex]+'_1', tf.emOperator, tf.emptyText);
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li1.className = this.checkListItemCssClass;
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ul.appendChild(li1);
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Event.add(li1.check, 'click', (evt)=> this.optionClick(evt));
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chkCt++;
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}
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if(tf.enableNonEmptyOption){
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let li2 = Dom.createCheckItem(
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tf.fltIds[colIndex]+'_2',
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tf.nmOperator,
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tf.nonEmptyText
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);
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li2.className = this.checkListItemCssClass;
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ul.appendChild(li2);
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Event.add(li2.check, 'click', (evt)=> this.optionClick(evt));
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chkCt++;
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}
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return chkCt;
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}
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/**
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* Store checked options in DOM element attribute
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* @param {Object} o checklist option DOM element
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*/
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setCheckListValues(o){
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if(!o){
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return;
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}
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let tf = this.tf;
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let chkValue = o.value; //checked item value
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let chkIndex = parseInt(o.id.split('_')[2], 10);
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let filterTag = 'ul', itemTag = 'li';
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let n = o;
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//ul tag search
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while(Str.lower(n.nodeName)!==filterTag){
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n = n.parentNode;
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}
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let li = n.childNodes[chkIndex];
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let colIndex = n.getAttribute('colIndex');
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let fltValue = n.getAttribute('value'); //filter value (ul tag)
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let fltIndexes = n.getAttribute('indexes'); //selected items (ul tag)
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if(o.checked){
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//show all item
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if(chkValue===''){
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if((fltIndexes && fltIndexes!=='')){
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//items indexes
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let indSplit = fltIndexes.split(tf.separator);
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//checked items loop
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for(let u=0; u<indSplit.length; u++){
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//checked item
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let cChk = Dom.id(tf.fltIds[colIndex]+'_'+indSplit[u]);
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if(cChk){
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cChk.checked = false;
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Dom.removeClass(
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n.childNodes[indSplit[u]],
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this.checkListSlcItemCssClass
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);
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}
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}
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}
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n.setAttribute('value', '');
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n.setAttribute('indexes', '');
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} else {
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fltValue = (fltValue) ? fltValue : '';
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chkValue = Str.trim(
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fltValue+' '+chkValue+' '+tf.orOperator);
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chkIndex = fltIndexes + chkIndex + tf.separator;
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n.setAttribute('value', chkValue );
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n.setAttribute('indexes', chkIndex);
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//1st option unchecked
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if(Dom.id(tf.fltIds[colIndex]+'_0')){
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Dom.id(tf.fltIds[colIndex]+'_0').checked = false;
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}
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}
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if(Str.lower(li.nodeName) === itemTag){
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Dom.removeClass(
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n.childNodes[0], this.checkListSlcItemCssClass);
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Dom.addClass(li, this.checkListSlcItemCssClass);
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}
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} else { //removes values and indexes
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if(chkValue!==''){
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let replaceValue = new RegExp(
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Str.rgxEsc(chkValue+' '+tf.orOperator));
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fltValue = fltValue.replace(replaceValue,'');
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n.setAttribute('value', Str.trim(fltValue));
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let replaceIndex = new RegExp(
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Str.rgxEsc(chkIndex + tf.separator));
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fltIndexes = fltIndexes.replace(replaceIndex, '');
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n.setAttribute('indexes', fltIndexes);
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}
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if(Str.lower(li.nodeName)===itemTag){
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Dom.removeClass(li, this.checkListSlcItemCssClass);
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}
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}
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}
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destroy(){}
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}
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