backgrid-filter.min.js

/*
  backgrid-filter
  http://github.com/wyuenho/backgrid

  Copyright (c) 2013 Jimmy Yuen Ho Wong and contributors
  Licensed under the MIT @license.
*/
!function(a,b){"object"==typeof exports?!function(){var a;try{a=require("lunr")}catch(c){}module.exports=b(require("underscore"),require("backbone"),require("backgrid"),a)}():b(a._,a.Backbone,a.Backgrid,a.lunr)}(this,function(a,b,c,d){"use strict";var e=c.Extension.ServerSideFilter=b.View.extend({tagName:"form",className:"backgrid-filter form-search",template:function(a){return'<span class="search">&nbsp;</span><input type="search" '+(a.placeholder?'placeholder="'+a.placeholder+'"':"")+' name="'+a.name+'" '+(a.value?'value="'+a.value+'"':"")+'/><a class="clear" data-backgrid-action="clear" href="#">&times;</a>'},events:{"keyup input[type=search]":"showClearButtonMaybe","click a[data-backgrid-action=clear]":"clear",submit:"search"},name:"q",value:null,placeholder:null,initialize:function(a){e.__super__.initialize.apply(this,arguments),this.name=a.name||this.name,this.value=a.value||this.value,this.placeholder=a.placeholder||this.placeholder,this.template=a.template||this.template;var c=this.collection,d=this;b.PageableCollection&&c instanceof b.PageableCollection&&"server"==c.mode&&(c.queryParams[this.name]=function(){return d.searchBox().val()||null})},clearSearchBox:function(){this.value=null,this.searchBox().val(null),this.showClearButtonMaybe()},showClearButtonMaybe:function(){var a=this.clearButton(),b=this.searchBox().val();b?a.show():a.hide()},searchBox:function(){return this.$el.find("input[type=search]")},clearButton:function(){return this.$el.find("a[data-backgrid-action=clear]")},query:function(){return this.value=this.searchBox().val(),this.value},search:function(a){a&&a.preventDefault();var c={},d=this.query();d&&(c[this.name]=d);var e=this.collection;b.PageableCollection&&e instanceof b.PageableCollection?e.getFirstPage({data:c,reset:!0,fetch:!0}):e.fetch({data:c,reset:!0})},clear:function(a){a&&a.preventDefault(),this.clearSearchBox();var c=this.collection;b.PageableCollection&&c instanceof b.PageableCollection?c.getFirstPage({reset:!0,fetch:!0}):c.fetch({reset:!0})},render:function(){return this.$el.empty().append(this.template({name:this.name,placeholder:this.placeholder,value:this.value})),this.showClearButtonMaybe(),this.delegateEvents(),this}}),f=c.Extension.ClientSideFilter=e.extend({events:a.extend({},e.prototype.events,{"click a[data-backgrid-action=clear]":function(a){a.preventDefault(),this.clear()},"keydown input[type=search]":"search",submit:function(a){a.preventDefault(),this.search()}}),fields:null,wait:149,initialize:function(b){f.__super__.initialize.apply(this,arguments),this.fields=b.fields||this.fields,this.wait=b.wait||this.wait,this._debounceMethods(["search","clear"]);var c=this.collection=this.collection.fullCollection||this.collection,d=this.shadowCollection=c.clone();this.listenTo(c,"add",function(a,b,c){d.add(a,c)}),this.listenTo(c,"remove",function(a,b,c){d.remove(a,c)}),this.listenTo(c,"sort",function(a){this.searchBox().val()||d.reset(a.models)}),this.listenTo(c,"reset",function(b,c){c=a.extend({reindex:!0},c||{}),c.reindex&&null==c.from&&null==c.to&&d.reset(b.models)})},_debounceMethods:function(b){a.isString(b)&&(b=[b]),this.undelegateEvents();for(var c=0,d=b.length;d>c;c++){var e=b[c],f=this[e];this[e]=a.debounce(f,this.wait)}this.delegateEvents()},makeRegExp:function(a){return new RegExp(a.trim().split(/\s+/).join("|"),"i")},makeMatcher:function(a){var b=this.makeRegExp(a);return function(a){for(var c=this.fields||a.keys(),d=0,e=c.length;e>d;d++)if(b.test(a.get(c[d])+""))return!0;return!1}},search:function(){var b=a.bind(this.makeMatcher(this.query()),this),c=this.collection;c.pageableCollection&&c.pageableCollection.getFirstPage({silent:!0}),c.reset(this.shadowCollection.filter(b),{reindex:!1})},clear:function(){this.clearSearchBox();var a=this.collection;a.pageableCollection&&a.pageableCollection.getFirstPage({silent:!0}),a.reset(this.shadowCollection.models,{reindex:!1})}}),g=c.Extension.LunrFilter=f.extend({ref:"id",fields:null,initialize:function(a){g.__super__.initialize.apply(this,arguments),this.ref=a.ref||this.ref;var b=this.collection=this.collection.fullCollection||this.collection;this.listenTo(b,"add",this.addToIndex),this.listenTo(b,"remove",this.removeFromIndex),this.listenTo(b,"reset",this.resetIndex),this.listenTo(b,"change",this.updateIndex),this.resetIndex(b)},resetIndex:function(b,c){if(c=a.extend({reindex:!0},c||{}),c.reindex){var e=this;this.index=d(function(){a.each(e.fields,function(a,b){this.field(b,a),this.ref(e.ref)},this)}),b.each(function(a){this.addToIndex(a)},this)}},addToIndex:function(a){var b=this.index,c=a.toJSON();b.documentStore.has(c[this.ref])?b.update(c):b.add(c)},removeFromIndex:function(a){var b=this.index,c=a.toJSON();b.documentStore.has(c[this.ref])&&b.remove(c)},updateIndex:function(b){var c=b.changedAttributes();c&&!a.isEmpty(a.intersection(a.keys(this.fields),a.keys(c)))&&this.index.update(b.toJSON())},search:function(){var a=this.collection;if(!this.query())return void a.reset(this.shadowCollection.models,{reindex:!1});for(var b=this.index.search(this.query()),c=[],d=0;d<b.length;d++){var e=b[d];c.push(this.shadowCollection.get(e.ref))}a.pageableCollection&&a.pageableCollection.getFirstPage({silent:!0}),a.reset(c,{reindex:!1})}})});