province_population 1920-2011｜Mash up the Linked Open Data

if (typeof Application === "undefined" || !Application) { var Application = {}; }
Application.population = function () {
	this._init.apply(this, arguments);
}
Application.population.prototype = {
	_data: null,
	_option: null,
	_array: null,
	
	_init: function() {
		this._array = [];
		this._array = this._getObjectArray();
		this._options = this._getGoogleOption();
		this._initCheckBox();
	},
	_getObjectArray: function() {
		var main = [];
		$.each(LinkData.getWorks(), function(workKey, workValue) {
			$.each(LinkData.getFiles(workValue), function(fileKey, fileValue) {
				$.each(LinkData.getSubjects(workValue, fileValue), function(subjKey, subjValue) {
					var array = [];
					if (typeof main[subjValue] !== "undefined") {
						array = main[subjValue];
					}
					$.each(LinkData.getProperties(workValue, fileValue), function(propKey, propValue) {
						var propLabel = propValue;
						var arr = propValue.split("#");
						if (arr.length > 1) {
							propLabel = decodeURIComponent(arr[1]);
						}
						var obj = {};
						var objValue = LinkData.getObjects(workValue, fileValue, subjValue, propValue)[0];
						obj.property = propLabel;
						obj.value = objValue;
						array.push(obj);
					});
					main[subjValue] = array;
				});
			});
		});
		return main;
	},

_getGoogleOption : function() {
		var options = {
			title: '都道府県別人口',
			animation:{
				duration: 1000,
				easing: 'out',
			},
			curveType: "none",
			vAxis: {title: '単位：千人', titleTextStyle: {color: '#A9A9A9'}}
		};
		return options;
	},
	
	_initCheckBox : function() {
		var array = this._getSubjectKeyValuePair();
		$.each(array, function(i, obj) {
			var checked = "";
			if (i == 0 || i ==2) {
				checked = "checked='checked'";
			}
			$("<div class='entry'><input type='checkbox' class='chkPrefecture' value='" + obj.key + "' id='" + obj.key + "' " + checked + "/><label for='" + obj.key + "'><span>" + obj.value + "</span></label></div>").appendTo("#checkBoxAreaId");
		});
	},
	
	_getSubjectKeyValuePair : function() {
		var array = [];
		for (var key in this._array) {
			var obj = {};
			var label = key.replace("http://ja.wikipedia.org/wiki/", "");
			obj.key = key;
			obj.value = label;
    		array.push(obj);
		}
		return array;
	},
	_configArray : function() {
		var array = [
{"caption": "1920年", "property": "1920"}, {"caption": "1921年", "property": "1921"}, {"caption": "1922年", "property": "1922"}, {"caption": "1923年", "property": "1923"}, {"caption": "1924年", "property": "1924"}, 
{"caption": "1925年", "property": "1925"}, {"caption": "1926年", "property": "1926"}, {"caption": "1927年", "property": "1927"}, {"caption": "1928年", "property": "1928"}, {"caption": "1929年", "property": "1929"}, 
{"caption": "1930年", "property": "1930"}, {"caption": "1931年", "property": "1931"}, {"caption": "1932年", "property": "1932"}, {"caption": "1933年", "property": "1933"}, {"caption": "1934年", "property": "1934"}, 
{"caption": "1935年", "property": "1935"}, {"caption": "1936年", "property": "1936"}, {"caption": "1937年", "property": "1937"}, {"caption": "1938年", "property": "1938"}, {"caption": "1939年", "property": "1939"}, 
{"caption": "1940年", "property": "1940"}, {"caption": "1941年", "property": "1941"}, {"caption": "1942年", "property": "1942"}, {"caption": "1943年", "property": "1943"}, {"caption": "1944年", "property": "1944"}, 
{"caption": "1945年", "property": "1945"}, {"caption": "1946年", "property": "1946"}, {"caption": "1947年", "property": "1947"}, {"caption": "1948年", "property": "1948"}, {"caption": "1949年", "property": "1949"}, 
{"caption": "1950年", "property": "1950"}, {"caption": "1951年", "property": "1951"}, {"caption": "1952年", "property": "1952"}, {"caption": "1953年", "property": "1953"}, {"caption": "1954年", "property": "1954"}, 
{"caption": "1955年", "property": "1955"}, {"caption": "1956年", "property": "1956"}, {"caption": "1957年", "property": "1957"}, {"caption": "1958年", "property": "1958"}, {"caption": "1959年", "property": "1959"}, 
{"caption": "1960年", "property": "1960"}, {"caption": "1961年", "property": "1961"}, {"caption": "1962年", "property": "1962"}, {"caption": "1963年", "property": "1963"}, {"caption": "1964年", "property": "1964"}, 
{"caption": "1965年", "property": "1965"}, {"caption": "1966年", "property": "1966"}, {"caption": "1967年", "property": "1967"}, {"caption": "1968年", "property": "1968"}, {"caption": "1969年", "property": "1969"}, 
{"caption": "1970年", "property": "1970"}, {"caption": "1971年", "property": "1971"}, {"caption": "1972年", "property": "1972"}, {"caption": "1973年", "property": "1973"}, {"caption": "1974年", "property": "1974"}, 
{"caption": "1975年", "property": "1975"}, {"caption": "1976年", "property": "1976"}, {"caption": "1977年", "property": "1977"}, {"caption": "1978年", "property": "1978"}, {"caption": "1979年", "property": "1979"}, 
{"caption": "1980年", "property": "1980"}, {"caption": "1981年", "property": "1981"}, {"caption": "1982年", "property": "1982"}, {"caption": "1983年", "property": "1983"}, {"caption": "1984年", "property": "1984"}, 
{"caption": "1985年", "property": "1985"}, {"caption": "1986年", "property": "1986"}, {"caption": "1987年", "property": "1987"}, {"caption": "1988年", "property": "1988"}, {"caption": "1989年", "property": "1989"}, 
{"caption": "1990年", "property": "1990"}, {"caption": "1991年", "property": "1991"}, {"caption": "1992年", "property": "1992"}, {"caption": "1993年", "property": "1993"}, {"caption": "1994年", "property": "1994"}, 
{"caption": "1995年", "property": "1995"}, {"caption": "1996年", "property": "1996"}, {"caption": "1997年", "property": "1997"}, {"caption": "1998年", "property": "1998"}, {"caption": "1999年", "property": "1999"}, 
{"caption": "2000年", "property": "2000"}, {"caption": "2001年", "property": "2001"}, {"caption": "2002年", "property": "2002"}, {"caption": "2003年", "property": "2003"}, {"caption": "2004年", "property": "2004"}, 
{"caption": "2005年", "property": "2005"}, {"caption": "2006年", "property": "2006"}, {"caption": "2007年", "property": "2007"}, {"caption": "2008年", "property": "2008"}, {"caption": "2009年", "property": "2009"}, 
{"caption": "2010年", "property": "2010"}, {"caption": "2011年", "property": "2011"}
		];
		return array;
	},
	
	getDataByKey : function(provinceArray) {
		var self = this;
		var main = [];
		var labelArray = [];
		var configArray = this._configArray();
		labelArray.push("");
		$.each(provinceArray, function(k, province) {
			labelArray.push(province.replace("http://ja.wikipedia.org/wiki/", ""));
		});
		main.push(labelArray);
		$.each(configArray, function(i, year) {
			var arr = [];
			arr.push(year.caption);
			$.each(provinceArray, function(k, province) {
				var array = self._array[province];
				$.each(array, function(j, objData) {
					var val = objData.value;
					if (! isNaN(val)) {
						if (objData.property == year.property) {
							val = parseFloat(val);
							arr.push(val);
						}
					} 
				});
				main.push(arr);
			});
		});

return main;
	},
	getOptions : function() {
		return this._options;
	}

}
var drawMarkersMap = function() {
	var bc = new Application.population();
	var options = bc.getOptions();
	var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
	var runApp = function(dataArray) {
		$("#chart_div").show();
		if (dataArray.length == 0) {
			$("#chart_div").hide();
			return;
		}
		var array = bc.getDataByKey(dataArray);
		var data = google.visualization.arrayToDataTable(array);
		chart.draw(data, options);
	}
	var initArray = [];
	$(".chkPrefecture:checked").each(function() {
		initArray.push($(this).val());
	});
	runApp(initArray);
	$(".chkPrefecture").change(function() {
		var arr = [];
		$(".chkPrefecture:checked").each(function () {
			arr.push($(this).val());
		});
		runApp(arr);
	});
	$("#selectAllButton").click(function() {
		var arr = [];
		$(".chkPrefecture").each(function () {
			$(this).attr("checked", "checked");
			arr.push($(this).val());
		});
		runApp(arr);
	});
	$("#clearAllButton").click(function() {
		var arr = [];
		$(".chkPrefecture").each(function () {
			$(this).removeAttr("checked");
		});
		runApp(arr);
	});
	$(".year").click(function() {
		$(".year").each(function () {
			$(this).removeClass("on");
		});
		$(this).addClass("on");
		var arr = [];
		$(".chkPrefecture:checked").each(function () {
			arr.push($(this).val());
		});
		runApp(arr);
	});
}
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawMarkersMap);