query-engine/out/documents/demo/visual-search.js.js

Query-Engine is a NoSQL and MongoDb compliant query engine. It can run on the server-side with Node.js, or on the client-side within web browsers

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  editors.code.getSession().setValue("# Create our project collection from an array of models\n# and set several pills that we can use for searching\nprojectCollection = window.queryEngine.createLiveCollection([\n			id: 1\n			title: \"Query Engine\"\n			tags: [\"backbone\", \"node.js\"]\n			description: \"Query-Engine provides extensive Querying, Filtering, and Searching abilities for Backbone.js Collections as well as JavaScript arrays and objects\"\n		,\n			id: 2\n			title: \"Joe\"\n			tags: [\"testing\", \"node.js\"]\n			description: \"Node.js asynchronous testing framework, runner and reporter\"\n	])\nprojectSearchCollection = projectCollection.createLiveChildCollection()\n	.setPill('id', {\n		prefixes: ['id:']\n		callback: (model,value) ->\n			pass = model.get('id') is parseInt(value,10)\n			return pass\n	})\n	.setPill('tag', {\n		logicalOperator: 'AND'\n		prefixes: ['tag:']\n		callback: (model,value) ->\n			pass = value in model.get('tags')\n			return pass\n	})\n	.setPill('title', {\n		prefixes: ['title:']\n		callback: (model,value) ->\n			pass = model.get('title') is value\n			return pass\n	})\n	.setFilter('search', (model,searchString) ->\n		return true  unless searchString?\n		searchRegex = queryEngine.createSafeRegex(searchString)\n		pass = searchRegex.test(model.get('description'))\n		return pass\n	)\n	.query()\n\n# Setup Visual Search\n$searchbar = $('#searchbar').empty()\n$visualsearch = $('<div>').appendTo($searchbar)\nvisualsearch = window.VS.init({\n	container: $visualsearch\n	callbacks:\n		search: (searchString, searchCollection) ->\n			searchString = \"\"\n			searchCollection.forEach (pill) ->\n				category = pill.get(\"category\")\n				value = pill.get(\"value\")\n				if category isnt \"text\"\n					searchString += \" \" + category + \":\\\"\" + value + \"\\\"\"\n				else\n					searchString += \" \" + value\n			window.updateResults  projectSearchCollection.setSearchString(searchString).query()\n\n		facetMatches: (callback) ->\n			pills = projectSearchCollection.getPills()\n			pillNames = _.keys(pills)\n			callback(pillNames)\n\n		valueMatches: (facet, searchTerm, callback) ->\n			switch facet\n				when 'id'\n					ids = []\n					ids.push(String(model.id))  for model in projectCollection.models\n					callback(ids)\n				when 'tag'\n					callback  _.uniq  _.flatten  projectCollection.pluck('tags')\n				when 'title'\n					callback  projectCollection.pluck('title')\n})\nvisualsearch.searchBox.value('tag:\"node.js\"');\n\n\n# Return our project collection\nreturn projectSearchCollection");

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