mirror of
https://github.com/koalyptus/TableFilter.git
synced 2024-05-03 07:03:33 +02:00
953 lines
29 KiB
JavaScript
953 lines
29 KiB
JavaScript
import {Feature} from '../feature';
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import {createElm, createOpt, createText, elm, removeElm} from '../dom';
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import {isArray, isFn, isNull} from '../types';
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import {addEvt, keyCode, removeEvt} from '../event';
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import {INPUT, SELECT, NONE, ENTER_KEY} from '../const';
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/**
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* Paging UI component
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* @export
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* @class Paging
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* @extends {Feature}
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*/
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export class Paging extends Feature {
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/**
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* Creates an instance of Paging
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* @param {TableFilter} tf TableFilter instance
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*/
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constructor(tf) {
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super(tf, 'paging');
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// Configuration object
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var f = this.config;
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/**
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* Css class for the paging buttons (previous, next, etc.)
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* @type {String}
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*/
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this.btnPageCssClass = f.paging_btn_css_class || 'pgInp';
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/**
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* Main select DOM element
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* @type {DOMElement}
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*/
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this.pagingSlc = null;
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/**
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* Results per page select DOM element
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* @type {DOMElement}
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*/
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this.resultsPerPageSlc = null;
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/**
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* ID of custom container element
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* @type {String}
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*/
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this.pagingTgtId = f.paging_target_id || null;
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/**
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* Number of rows contained in a page
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* @type {Number}
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*/
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this.pagingLength = !isNaN(f.paging_length) ? f.paging_length : 10;
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/**
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* ID of custom container element for the results per page selector
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* @type {String}
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*/
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this.resultsPerPageTgtId = f.results_per_page_target_id || null;
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/**
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* Css class for the paging select element
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* @type {String}
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*/
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this.pgSlcCssClass = f.paging_slc_css_class || 'pgSlc';
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/**
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* Css class for the paging input element
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* @type {String}
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*/
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this.pgInpCssClass = f.paging_inp_css_class || 'pgNbInp';
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/**
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* Label and values for the results per page select, example of usage:
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* ['Records: ', [10,25,50,100]]
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* @type {Array}
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*/
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this.resultsPerPage = f.results_per_page || null;
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/**
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* Determines if results per page is configured
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* @type {Boolean}
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*/
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this.hasResultsPerPage = isArray(this.resultsPerPage);
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/**
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* Css class for the results per page select
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* @type {String}
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*/
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this.resultsSlcCssClass = f.results_slc_css_class || 'rspg';
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/**
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* Css class for the label preceding results per page select
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* @type {String}
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*/
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this.resultsSpanCssClass = f.results_span_css_class || 'rspgSpan';
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/**
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* Index of the first row of current page
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* @type {Number}
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* @private
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*/
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this.startPagingRow = 0;
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/**
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* Total number of pages
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* @type {Number}
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* @private
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*/
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this.nbPages = 0;
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/**
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* Current page number
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* @type {Number}
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* @private
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*/
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this.currentPageNb = 1;
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/**
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* Next page button text
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* @type {String}
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*/
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this.btnNextPageText = f.btn_next_page_text || '>';
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/**
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* Previous page button text
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* @type {String}
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*/
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this.btnPrevPageText = f.btn_prev_page_text || '<';
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/**
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* Last page button text
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* @type {String}
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*/
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this.btnLastPageText = f.btn_last_page_text || '>|';
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/**
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* First page button text
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* @type {String}
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*/
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this.btnFirstPageText = f.btn_first_page_text || '|<';
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/**
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* Next page button HTML
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* @type {String}
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*/
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this.btnNextPageHtml = f.btn_next_page_html ||
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(!tf.enableIcons ? null :
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'<input type="button" value="" class="' + this.btnPageCssClass +
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' nextPage" title="Next page" />');
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/**
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* Previous page button HTML
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* @type {String}
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*/
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this.btnPrevPageHtml = f.btn_prev_page_html ||
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(!tf.enableIcons ? null :
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'<input type="button" value="" class="' + this.btnPageCssClass +
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' previousPage" title="Previous page" />');
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/**
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* First page button HTML
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* @type {String}
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*/
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this.btnFirstPageHtml = f.btn_first_page_html ||
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(!tf.enableIcons ? null :
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'<input type="button" value="" class="' + this.btnPageCssClass +
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' firstPage" title="First page" />');
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/**
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* Last page button HTML
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* @type {String}
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*/
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this.btnLastPageHtml = f.btn_last_page_html ||
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(!tf.enableIcons ? null :
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'<input type="button" value="" class="' + this.btnPageCssClass +
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' lastPage" title="Last page" />');
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/**
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* Text preceeding page selector drop-down
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* @type {String}
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*/
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this.pageText = f.page_text || ' Page ';
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/**
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* Text after page selector drop-down
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* @type {String}
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*/
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this.ofText = f.of_text || ' of ';
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/**
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* Css class for the span containing total number of pages
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* @type {String}
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*/
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this.nbPgSpanCssClass = f.nb_pages_css_class || 'nbpg';
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/**
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* Determines if paging buttons are enabled (default: true)
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* @type {Boolean}
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*/
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this.hasPagingBtns = f.paging_btns === false ? false : true;
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/**
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* Defines page selector type, two possible values: 'select', 'input'
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* @type {String}
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*/
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this.pageSelectorType = f.page_selector_type || SELECT;
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/**
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* Callback fired before the page is changed
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* @type {Function}
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*/
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this.onBeforeChangePage = isFn(f.on_before_change_page) ?
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f.on_before_change_page : null;
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/**
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* Callback fired after the page is changed
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* @type {Function}
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*/
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this.onAfterChangePage = isFn(f.on_after_change_page) ?
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f.on_after_change_page : null;
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/**
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* Element IDs prefixes
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*/
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/**
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* Page select
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* @type {String}
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* @private
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*/
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this.prfxSlcPages = 'slcPages_';
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/**
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* Results per page select
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* @type {String}
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* @private
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*/
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this.prfxSlcResults = 'slcResults_';
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/**
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* Label preciding results per page select
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* @type {String}
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* @private
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*/
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this.prfxSlcResultsTxt = 'slcResultsTxt_';
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/**
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* Span containing next page button
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* @type {String}
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* @private
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*/
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this.prfxBtnNextSpan = 'btnNextSpan_';
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/**
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* Span containing previous page button
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* @type {String}
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* @private
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*/
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this.prfxBtnPrevSpan = 'btnPrevSpan_';
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/**
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* Span containing last page button
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* @type {String}
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* @private
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*/
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this.prfxBtnLastSpan = 'btnLastSpan_';
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/**
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* Span containing first page button
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* @type {String}
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* @private
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*/
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this.prfxBtnFirstSpan = 'btnFirstSpan_';
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/**
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* Next button
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* @type {String}
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* @private
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*/
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this.prfxBtnNext = 'btnNext_';
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/**
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* Previous button
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* @type {String}
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* @private
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*/
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this.prfxBtnPrev = 'btnPrev_';
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/**
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* Last button
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* @type {String}
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* @private
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*/
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this.prfxBtnLast = 'btnLast_';
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/**
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* First button
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* @type {String}
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* @private
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*/
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this.prfxBtnFirst = 'btnFirst_';
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/**
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* Span for tot nb pages
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* @type {String}
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* @private
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*/
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this.prfxPgSpan = 'pgspan_';
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/**
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* Span preceding pages select (contains 'Page')
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* @type {String}
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* @private
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*/
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this.prfxPgBeforeSpan = 'pgbeforespan_';
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/**
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* Span following pages select (contains ' of ')
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* @type {String}
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* @private
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*/
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this.prfxPgAfterSpan = 'pgafterspan_';
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var start_row = tf.refRow;
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var nrows = tf.getRowsNb(true);
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//calculates page nb
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this.nbPages = Math.ceil((nrows - start_row) / this.pagingLength);
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var o = this;
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/**
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* Paging DOM events handlers
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* @type {String}
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* @private
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*/
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this.evt = {
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slcIndex() {
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return (o.pageSelectorType === SELECT) ?
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o.pagingSlc.options.selectedIndex :
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parseInt(o.pagingSlc.value, 10) - 1;
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},
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nbOpts() {
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return (o.pageSelectorType === SELECT) ?
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parseInt(o.pagingSlc.options.length, 10) - 1 :
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(o.nbPages - 1);
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},
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next() {
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var nextIndex = o.evt.slcIndex() < o.evt.nbOpts() ?
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o.evt.slcIndex() + 1 : 0;
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o.changePage(nextIndex);
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},
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prev() {
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var prevIndex = o.evt.slcIndex() > 0 ?
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o.evt.slcIndex() - 1 : o.evt.nbOpts();
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o.changePage(prevIndex);
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},
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last() {
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o.changePage(o.evt.nbOpts());
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},
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first() {
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o.changePage(0);
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},
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_detectKey(e) {
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var key = keyCode(e);
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if (key === ENTER_KEY) {
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if (tf.sorted) {
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tf.filter();
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o.changePage(o.evt.slcIndex());
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} else {
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o.changePage();
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}
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this.blur();
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}
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},
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slcPagesChange: null,
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nextEvt: null,
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prevEvt: null,
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lastEvt: null,
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firstEvt: null
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};
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}
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/**
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* Initialize DOM elements
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*/
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init() {
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var slcPages;
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var tf = this.tf;
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var evt = this.evt;
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if (this.initialized) {
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return;
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}
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// Check resultsPerPage is in expected format and initialise the
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// results per page component
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if (this.hasResultsPerPage) {
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if (this.resultsPerPage.length < 2) {
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this.hasResultsPerPage = false;
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} else {
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this.pagingLength = this.resultsPerPage[1][0];
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this.setResultsPerPage();
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}
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}
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evt.slcPagesChange = (event) => {
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var slc = event.target;
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this.changePage(slc.selectedIndex);
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};
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// Paging drop-down list selector
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if (this.pageSelectorType === SELECT) {
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slcPages = createElm(SELECT, ['id', this.prfxSlcPages + tf.id]);
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slcPages.className = this.pgSlcCssClass;
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addEvt(slcPages, 'change', evt.slcPagesChange);
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}
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// Paging input selector
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if (this.pageSelectorType === INPUT) {
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slcPages = createElm(INPUT,
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['id', this.prfxSlcPages + tf.id],
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['value', this.currentPageNb]
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);
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slcPages.className = this.pgInpCssClass;
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addEvt(slcPages, 'keypress', evt._detectKey);
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}
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// btns containers
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var btnNextSpan = createElm(
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'span', ['id', this.prfxBtnNextSpan + tf.id]);
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var btnPrevSpan = createElm(
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'span', ['id', this.prfxBtnPrevSpan + tf.id]);
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var btnLastSpan = createElm(
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'span', ['id', this.prfxBtnLastSpan + tf.id]);
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var btnFirstSpan = createElm(
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'span', ['id', this.prfxBtnFirstSpan + tf.id]);
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if (this.hasPagingBtns) {
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// Next button
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if (!this.btnNextPageHtml) {
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var btn_next = createElm(INPUT,
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['id', this.prfxBtnNext + tf.id],
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['type', 'button'],
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['value', this.btnNextPageText],
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['title', 'Next']
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);
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btn_next.className = this.btnPageCssClass;
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addEvt(btn_next, 'click', evt.next);
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btnNextSpan.appendChild(btn_next);
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} else {
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btnNextSpan.innerHTML = this.btnNextPageHtml;
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addEvt(btnNextSpan, 'click', evt.next);
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}
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// Previous button
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if (!this.btnPrevPageHtml) {
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var btn_prev = createElm(INPUT,
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['id', this.prfxBtnPrev + tf.id],
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['type', 'button'],
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['value', this.btnPrevPageText],
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['title', 'Previous']
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);
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btn_prev.className = this.btnPageCssClass;
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addEvt(btn_prev, 'click', evt.prev);
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btnPrevSpan.appendChild(btn_prev);
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} else {
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btnPrevSpan.innerHTML = this.btnPrevPageHtml;
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addEvt(btnPrevSpan, 'click', evt.prev);
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}
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// Last button
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if (!this.btnLastPageHtml) {
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var btn_last = createElm(INPUT,
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['id', this.prfxBtnLast + tf.id],
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['type', 'button'],
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['value', this.btnLastPageText],
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['title', 'Last']
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);
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btn_last.className = this.btnPageCssClass;
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addEvt(btn_last, 'click', evt.last);
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btnLastSpan.appendChild(btn_last);
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} else {
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btnLastSpan.innerHTML = this.btnLastPageHtml;
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addEvt(btnLastSpan, 'click', evt.last);
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}
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// First button
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if (!this.btnFirstPageHtml) {
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var btn_first = createElm(INPUT,
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['id', this.prfxBtnFirst + tf.id],
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['type', 'button'],
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['value', this.btnFirstPageText],
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['title', 'First']
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);
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btn_first.className = this.btnPageCssClass;
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addEvt(btn_first, 'click', evt.first);
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btnFirstSpan.appendChild(btn_first);
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} else {
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btnFirstSpan.innerHTML = this.btnFirstPageHtml;
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addEvt(btnFirstSpan, 'click', evt.first);
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}
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}
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// paging elements (buttons+drop-down list) are added to defined element
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if (!this.pagingTgtId) {
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tf.setToolbar();
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}
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var targetEl = !this.pagingTgtId ? tf.mDiv : elm(this.pagingTgtId);
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targetEl.appendChild(btnFirstSpan);
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targetEl.appendChild(btnPrevSpan);
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var pgBeforeSpan = createElm(
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'span', ['id', this.prfxPgBeforeSpan + tf.id]);
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pgBeforeSpan.appendChild(createText(this.pageText));
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pgBeforeSpan.className = this.nbPgSpanCssClass;
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targetEl.appendChild(pgBeforeSpan);
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targetEl.appendChild(slcPages);
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var pgAfterSpan = createElm(
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'span', ['id', this.prfxPgAfterSpan + tf.id]);
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pgAfterSpan.appendChild(createText(this.ofText));
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pgAfterSpan.className = this.nbPgSpanCssClass;
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targetEl.appendChild(pgAfterSpan);
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var pgspan = createElm('span', ['id', this.prfxPgSpan + tf.id]);
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pgspan.className = this.nbPgSpanCssClass;
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pgspan.appendChild(createText(' ' + this.nbPages + ' '));
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targetEl.appendChild(pgspan);
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targetEl.appendChild(btnNextSpan);
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targetEl.appendChild(btnLastSpan);
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this.pagingSlc = elm(this.prfxSlcPages + tf.id);
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this.setPagingInfo();
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if (!tf.fltGrid) {
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tf.validateAllRows();
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this.setPagingInfo(tf.validRowsIndex);
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}
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this.emitter.on(['after-filtering'], () => this.resetPagingInfo());
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this.emitter.on(['change-page'],
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(tf, pageNumber) => this.setPage(pageNumber));
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this.emitter.on(['change-page-results'],
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(tf, pageLength) => this.changeResultsPerPage(pageLength));
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this.initialized = true;
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}
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/**
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* Reset paging when filters are already instantiated
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* @param {Boolean} filterTable Execute filtering once paging instanciated
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*/
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reset(filterTable = false) {
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var tf = this.tf;
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if (this.isEnabled()) {
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return;
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}
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this.enable();
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this.init();
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if (filterTable) {
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tf.filter();
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}
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}
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/**
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* Reset paging info from scratch after a filtering process
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*/
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resetPagingInfo() {
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this.startPagingRow = 0;
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this.currentPageNb = 1;
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this.setPagingInfo(this.tf.validRowsIndex);
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|
}
|
|
|
|
/**
|
|
* Calculate number of pages based on valid rows
|
|
* Refresh paging select according to number of pages
|
|
* @param {Array} validRows Collection of valid rows
|
|
*/
|
|
setPagingInfo(validRows) {
|
|
var tf = this.tf;
|
|
var mdiv = !this.pagingTgtId ? tf.mDiv : elm(this.pagingTgtId);
|
|
var pgspan = elm(this.prfxPgSpan + tf.id);
|
|
|
|
//store valid rows indexes
|
|
tf.validRowsIndex = validRows || tf.getValidRows(true);
|
|
|
|
//calculate nb of pages
|
|
this.nbPages = Math.ceil(tf.validRowsIndex.length / this.pagingLength);
|
|
//refresh page nb span
|
|
pgspan.innerHTML = this.nbPages;
|
|
//select clearing shortcut
|
|
if (this.pageSelectorType === SELECT) {
|
|
this.pagingSlc.innerHTML = '';
|
|
}
|
|
|
|
if (this.nbPages > 0) {
|
|
mdiv.style.visibility = 'visible';
|
|
if (this.pageSelectorType === SELECT) {
|
|
for (var z = 0; z < this.nbPages; z++) {
|
|
var opt = createOpt(z + 1, z * this.pagingLength, false);
|
|
this.pagingSlc.options[z] = opt;
|
|
}
|
|
} else {
|
|
//input type
|
|
this.pagingSlc.value = this.currentPageNb;
|
|
}
|
|
|
|
} else {
|
|
/*** if no results paging select and buttons are hidden ***/
|
|
mdiv.style.visibility = 'hidden';
|
|
}
|
|
this.groupByPage(tf.validRowsIndex);
|
|
}
|
|
|
|
/**
|
|
* Group table rows by page and display valid rows
|
|
* @param {Array} validRows Collection of valid rows
|
|
*/
|
|
groupByPage(validRows) {
|
|
var tf = this.tf;
|
|
var rows = tf.tbl.rows;
|
|
var startPagingRow = parseInt(this.startPagingRow, 10);
|
|
var endPagingRow = startPagingRow + parseInt(this.pagingLength, 10);
|
|
|
|
//store valid rows indexes
|
|
if (validRows) {
|
|
tf.validRowsIndex = validRows;
|
|
}
|
|
|
|
//this loop shows valid rows of current page
|
|
for (var h = 0, len = tf.getValidRowsNb(true); h < len; h++) {
|
|
var validRowIdx = tf.validRowsIndex[h];
|
|
var r = rows[validRowIdx];
|
|
var isRowValid = r.getAttribute('validRow');
|
|
var rowDisplayed = false;
|
|
|
|
if (h >= startPagingRow && h < endPagingRow) {
|
|
if (isNull(isRowValid) || Boolean(isRowValid === 'true')) {
|
|
r.style.display = '';
|
|
rowDisplayed = true;
|
|
}
|
|
} else {
|
|
r.style.display = NONE;
|
|
}
|
|
this.emitter.emit('row-paged', tf, validRowIdx, h, rowDisplayed);
|
|
}
|
|
|
|
// broadcast grouping by page
|
|
this.emitter.emit('grouped-by-page', tf, this);
|
|
}
|
|
|
|
/**
|
|
* Return the current page number
|
|
* @return {Number} Page number
|
|
*/
|
|
getPage() {
|
|
return this.currentPageNb;
|
|
}
|
|
|
|
/**
|
|
* Show page defined by passed argument (string or number):
|
|
* @param {String}/{Number} cmd possible string values: 'next',
|
|
* 'previous', 'last', 'first' or page number as per param
|
|
*/
|
|
setPage(cmd) {
|
|
var tf = this.tf;
|
|
if (!tf.isInitialized() || !this.isEnabled()) {
|
|
return;
|
|
}
|
|
var btnEvt = this.evt,
|
|
cmdtype = typeof cmd;
|
|
if (cmdtype === 'string') {
|
|
switch (cmd.toLowerCase()) {
|
|
case 'next':
|
|
btnEvt.next();
|
|
break;
|
|
case 'previous':
|
|
btnEvt.prev();
|
|
break;
|
|
case 'last':
|
|
btnEvt.last();
|
|
break;
|
|
case 'first':
|
|
btnEvt.first();
|
|
break;
|
|
default:
|
|
btnEvt.next();
|
|
break;
|
|
}
|
|
}
|
|
else if (cmdtype === 'number') {
|
|
this.changePage(cmd - 1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generates UI elements for the number of results per page drop-down
|
|
*/
|
|
setResultsPerPage() {
|
|
var tf = this.tf;
|
|
var evt = this.evt;
|
|
|
|
if (this.resultsPerPageSlc || !this.resultsPerPage) {
|
|
return;
|
|
}
|
|
|
|
evt.slcResultsChange = (ev) => {
|
|
this.onChangeResultsPerPage();
|
|
ev.target.blur();
|
|
};
|
|
|
|
var slcR = createElm(SELECT, ['id', this.prfxSlcResults + tf.id]);
|
|
slcR.className = this.resultsSlcCssClass;
|
|
var slcRText = this.resultsPerPage[0],
|
|
slcROpts = this.resultsPerPage[1];
|
|
var slcRSpan = createElm(
|
|
'span', ['id', this.prfxSlcResultsTxt + tf.id]);
|
|
slcRSpan.className = this.resultsSpanCssClass;
|
|
|
|
// results per page select is added to external element
|
|
if (!this.resultsPerPageTgtId) {
|
|
tf.setToolbar();
|
|
}
|
|
var targetEl = !this.resultsPerPageTgtId ?
|
|
tf.rDiv : elm(this.resultsPerPageTgtId);
|
|
slcRSpan.appendChild(createText(slcRText));
|
|
|
|
var help = tf.feature('help');
|
|
if (help && help.btn) {
|
|
help.btn.parentNode.insertBefore(slcRSpan, help.btn);
|
|
help.btn.parentNode.insertBefore(slcR, help.btn);
|
|
} else {
|
|
targetEl.appendChild(slcRSpan);
|
|
targetEl.appendChild(slcR);
|
|
}
|
|
|
|
for (var r = 0; r < slcROpts.length; r++) {
|
|
var currOpt = new Option(slcROpts[r], slcROpts[r], false, false);
|
|
slcR.options[r] = currOpt;
|
|
}
|
|
addEvt(slcR, 'change', evt.slcResultsChange);
|
|
this.resultsPerPageSlc = slcR;
|
|
}
|
|
|
|
/**
|
|
* Remove number of results per page UI elements
|
|
*/
|
|
removeResultsPerPage() {
|
|
var tf = this.tf;
|
|
if (!tf.isInitialized() || !this.resultsPerPageSlc ||
|
|
!this.resultsPerPage) {
|
|
return;
|
|
}
|
|
var slcR = this.resultsPerPageSlc,
|
|
slcRSpan = elm(this.prfxSlcResultsTxt + tf.id);
|
|
if (slcR) {
|
|
removeElm(slcR);
|
|
}
|
|
if (slcRSpan) {
|
|
removeElm(slcRSpan);
|
|
}
|
|
this.resultsPerPageSlc = null;
|
|
}
|
|
|
|
/**
|
|
* Change the page based on passed index
|
|
* @param {Number} index Index of the page (0-n)
|
|
*/
|
|
changePage(index) {
|
|
var tf = this.tf;
|
|
|
|
if (!this.isEnabled()) {
|
|
return;
|
|
}
|
|
|
|
this.emitter.emit('before-page-change', tf, (index + 1));
|
|
|
|
if (index === null) {
|
|
index = this.pageSelectorType === SELECT ?
|
|
this.pagingSlc.options.selectedIndex : this.pagingSlc.value - 1;
|
|
}
|
|
if (index >= 0 && index <= (this.nbPages - 1)) {
|
|
if (this.onBeforeChangePage) {
|
|
this.onBeforeChangePage.call(null, this, (index + 1));
|
|
}
|
|
this.currentPageNb = parseInt(index, 10) + 1;
|
|
if (this.pageSelectorType === SELECT) {
|
|
this.pagingSlc.options[index].selected = true;
|
|
} else {
|
|
this.pagingSlc.value = this.currentPageNb;
|
|
}
|
|
|
|
this.startPagingRow = (this.pageSelectorType === SELECT) ?
|
|
this.pagingSlc.value : (index * this.pagingLength);
|
|
|
|
this.groupByPage();
|
|
|
|
if (this.onAfterChangePage) {
|
|
this.onAfterChangePage.call(null, this, (index + 1));
|
|
}
|
|
}
|
|
|
|
this.emitter.emit('after-page-change', tf, (index + 1));
|
|
}
|
|
|
|
/**
|
|
* Change the number of results per page based on passed value
|
|
* @param {String} val The number of results per page
|
|
*/
|
|
changeResultsPerPage(val) {
|
|
if (!this.isEnabled() || isNaN(val)) {
|
|
return;
|
|
}
|
|
|
|
this.resultsPerPageSlc.value = val;
|
|
this.onChangeResultsPerPage();
|
|
}
|
|
|
|
/**
|
|
* Change rows according to page results drop-down
|
|
*/
|
|
onChangeResultsPerPage() {
|
|
var tf = this.tf;
|
|
|
|
if (!this.isEnabled()) {
|
|
return;
|
|
}
|
|
|
|
this.emitter.emit('before-page-length-change', tf);
|
|
|
|
var slcR = this.resultsPerPageSlc;
|
|
var slcIndex = slcR.selectedIndex;
|
|
var slcPagesSelIndex = (this.pageSelectorType === SELECT) ?
|
|
this.pagingSlc.selectedIndex :
|
|
parseInt(this.pagingSlc.value - 1, 10);
|
|
this.pagingLength = parseInt(slcR.options[slcIndex].value, 10);
|
|
this.startPagingRow = this.pagingLength * slcPagesSelIndex;
|
|
|
|
if (!isNaN(this.pagingLength)) {
|
|
if (this.startPagingRow >= tf.nbFilterableRows) {
|
|
this.startPagingRow = (tf.nbFilterableRows - this.pagingLength);
|
|
}
|
|
this.setPagingInfo();
|
|
|
|
if (this.pageSelectorType === SELECT) {
|
|
var slcIdx =
|
|
(this.pagingSlc.options.length - 1 <= slcPagesSelIndex) ?
|
|
(this.pagingSlc.options.length - 1) : slcPagesSelIndex;
|
|
this.pagingSlc.options[slcIdx].selected = true;
|
|
}
|
|
}
|
|
|
|
this.emitter.emit('after-page-length-change', tf, this.pagingLength);
|
|
}
|
|
|
|
/**
|
|
* Re-set page nb at page re-load
|
|
*/
|
|
resetPage() {
|
|
var tf = this.tf;
|
|
if (!this.isEnabled()) {
|
|
return;
|
|
}
|
|
this.emitter.emit('before-reset-page', tf);
|
|
var pgNb = tf.feature('store').getPageNb();
|
|
if (pgNb !== '') {
|
|
this.changePage((pgNb - 1));
|
|
}
|
|
this.emitter.emit('after-reset-page', tf, pgNb);
|
|
}
|
|
|
|
/**
|
|
* Re-set page length value at page re-load
|
|
*/
|
|
resetPageLength() {
|
|
var tf = this.tf;
|
|
if (!this.isEnabled()) {
|
|
return;
|
|
}
|
|
this.emitter.emit('before-reset-page-length', tf);
|
|
var pglenIndex = tf.feature('store').getPageLength();
|
|
|
|
if (pglenIndex !== '') {
|
|
this.resultsPerPageSlc.options[pglenIndex].selected = true;
|
|
this.changeResultsPerPage();
|
|
}
|
|
this.emitter.emit('after-reset-page-length', tf, pglenIndex);
|
|
}
|
|
|
|
/**
|
|
* Remove paging feature
|
|
*/
|
|
destroy() {
|
|
var tf = this.tf;
|
|
|
|
if (!this.initialized) {
|
|
return;
|
|
}
|
|
// btns containers
|
|
var btnNextSpan = elm(this.prfxBtnNextSpan + tf.id);
|
|
var btnPrevSpan = elm(this.prfxBtnPrevSpan + tf.id);
|
|
var btnLastSpan = elm(this.prfxBtnLastSpan + tf.id);
|
|
var btnFirstSpan = elm(this.prfxBtnFirstSpan + tf.id);
|
|
//span containing 'Page' text
|
|
var pgBeforeSpan = elm(this.prfxPgBeforeSpan + tf.id);
|
|
//span containing 'of' text
|
|
var pgAfterSpan = elm(this.prfxPgAfterSpan + tf.id);
|
|
//span containing nb of pages
|
|
var pgspan = elm(this.prfxPgSpan + tf.id);
|
|
|
|
var evt = this.evt;
|
|
|
|
if (this.pagingSlc) {
|
|
if (this.pageSelectorType === SELECT) {
|
|
removeEvt(this.pagingSlc, 'change', evt.slcPagesChange);
|
|
}
|
|
else if (this.pageSelectorType === INPUT) {
|
|
removeEvt(this.pagingSlc, 'keypress', evt._detectKey);
|
|
}
|
|
removeElm(this.pagingSlc);
|
|
}
|
|
|
|
if (btnNextSpan) {
|
|
removeEvt(btnNextSpan, 'click', evt.next);
|
|
removeElm(btnNextSpan);
|
|
}
|
|
|
|
if (btnPrevSpan) {
|
|
removeEvt(btnPrevSpan, 'click', evt.prev);
|
|
removeElm(btnPrevSpan);
|
|
}
|
|
|
|
if (btnLastSpan) {
|
|
removeEvt(btnLastSpan, 'click', evt.last);
|
|
removeElm(btnLastSpan);
|
|
}
|
|
|
|
if (btnFirstSpan) {
|
|
removeEvt(btnFirstSpan, 'click', evt.first);
|
|
removeElm(btnFirstSpan);
|
|
}
|
|
|
|
if (pgBeforeSpan) {
|
|
removeElm(pgBeforeSpan);
|
|
}
|
|
|
|
if (pgAfterSpan) {
|
|
removeElm(pgAfterSpan);
|
|
}
|
|
|
|
if (pgspan) {
|
|
removeElm(pgspan);
|
|
}
|
|
|
|
if (this.hasResultsPerPage) {
|
|
this.removeResultsPerPage();
|
|
}
|
|
|
|
this.emitter.off(['after-filtering'], () => this.resetPagingInfo());
|
|
this.emitter.off(['change-page'],
|
|
(tf, pageNumber) => this.setPage(pageNumber));
|
|
this.emitter.off(['change-page-results'],
|
|
(tf, pageLength) => this.changeResultsPerPage(pageLength));
|
|
|
|
this.pagingSlc = null;
|
|
this.nbPages = 0;
|
|
this.disable();
|
|
this.initialized = false;
|
|
}
|
|
}
|