ubiq_mtrfare.js

var mtrStationsValue = { "sheung wan":26,"central":1,"admiralty":2,"wan chai":27,
"causeway bay":28,"tin hau":29,"fortress hill":30,"north point":31,"quarry bay":32,"tai koo":33,
"sai wan ho":34,"shau kei wan":35,"heng fa chuen":36,"chai wan":37,"shek kip mei":7,"kowloon tong":8,
"lok fu":9,"wong tai sin":10,"diamond hill":11,"choi hung":12,"kowloon bay":13,"ngau tau kok":14,
"kwun tong":15,"lam tin":38,"tsim sha tsui":3,"jordan":4,"yau ma tei":5,"mong kok":6,"prince edward":16,
"sham shui po":17,"cheung sha wan":18,"lai chi kok":19,"mei foo":20,"lai king":21,"kwai fong":22,"kwai hing":23,
"tai wo hau":24,"tsuen wan":25,"yau tong":48,"tiu keng leng":49,"tseung kwan o":50,"hang hau":51,"po lam":52,
"hong kong":39,"kowloon":40,"olympic":41,"nam cheong":53,"tsing yi":42,"tung chung":43,"sunny bay":54,
"disneyland resort":55,"east tsim sha tsui":80,"hung hom":64,"mong kok east":65,"kowloon tong":66,"tai wai":67,
"sha tin":68,"fo tan":69,"racecourse":70,"university":71,"tai po market":72,"tai wo":73,"fanling":74,
"sheung shui":75,"lok ma chau":78,"lo wu":76,"che kung temple":96,"sha tin wai":97,"city one":98,"shek mun":99,
"tai shui hang":100,"heng on":101,"ma on shan":102,"wu kai sha":103,"nam cheong":112,"mei foo":113,
"tsuen wan west":114,"kam sheung road":115,"yuen long":116,"long ping":117,"tin shui wai":118,"siu hong":119,"tuen mun":120};

var mtrStations = [];
for(var i in mtrStationsValue){
	mtrStations.push(i);
}
var noun_type_mtr_station = new CmdUtils.NounType("mtr station", mtrStations)

CmdUtils.CreateCommand({
	name: "mtr-fare",
	author: { name:"Jacky", email:"jackysee at gmail dot com"},
	takes: {"from mtr station": noun_type_mtr_station},
	modifiers: {to:noun_type_mtr_station},
	preview: function(p, from, m){
		if(from.text && m.to && m.to.text){
			var msg = "Getting fare from <i>${from}</i> to <i>${to}</li>... ";
			p.innerHTML = CmdUtils.renderTemplate(msg, {from:from.text, to:m.to.text});
			var start = mtrStationsValue[from.text.toLowerCase()];
			var destin = mtrStationsValue[m.to.text.toLowerCase()];
			
			if(start == destin) return;
			
			var url = "http://mtr.com.hk/jplanner/engtxt/planner_index.php";
			var params = {start:start, destin:destin};
			jQuery.get(url, params, function(data){
				var start = '<span class="subtitleRed">Standard Class Fare</span>';
				var end = '</table>';
				var data = data.substring(data.indexOf(start));
				var data = data.substring(data.indexOf("<table"),data.indexOf(end)+end.length);
				p.innerHTML += data.replace("<table", "<table border='1' style='font-size:70%'");
			})
		}
	}
});