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Direktori : /home/medipszd/public_html/bower_components/select2/src/js/select2/dropdown/ |
Current File : /home/medipszd/public_html/bower_components/select2/src/js/select2/dropdown/infiniteScroll.js |
define([ 'jquery' ], function ($) { function InfiniteScroll (decorated, $element, options, dataAdapter) { this.lastParams = {}; decorated.call(this, $element, options, dataAdapter); this.$loadingMore = this.createLoadingMore(); this.loading = false; } InfiniteScroll.prototype.append = function (decorated, data) { this.$loadingMore.remove(); this.loading = false; decorated.call(this, data); if (this.showLoadingMore(data)) { this.$results.append(this.$loadingMore); } }; InfiniteScroll.prototype.bind = function (decorated, container, $container) { var self = this; decorated.call(this, container, $container); container.on('query', function (params) { self.lastParams = params; self.loading = true; }); container.on('query:append', function (params) { self.lastParams = params; self.loading = true; }); this.$results.on('scroll', function () { var isLoadMoreVisible = $.contains( document.documentElement, self.$loadingMore[0] ); if (self.loading || !isLoadMoreVisible) { return; } var currentOffset = self.$results.offset().top + self.$results.outerHeight(false); var loadingMoreOffset = self.$loadingMore.offset().top + self.$loadingMore.outerHeight(false); if (currentOffset + 50 >= loadingMoreOffset) { self.loadMore(); } }); }; InfiniteScroll.prototype.loadMore = function () { this.loading = true; var params = $.extend({}, {page: 1}, this.lastParams); params.page++; this.trigger('query:append', params); }; InfiniteScroll.prototype.showLoadingMore = function (_, data) { return data.pagination && data.pagination.more; }; InfiniteScroll.prototype.createLoadingMore = function () { var $option = $( '<li ' + 'class="select2-results__option select2-results__option--load-more"' + 'role="treeitem" aria-disabled="true"></li>' ); var message = this.options.get('translations').get('loadingMore'); $option.html(message(this.lastParams)); return $option; }; return InfiniteScroll; });