Fix: change self variable to this

src/game/ranking/ranking.js

@@ -5,20 +5,14 @@ var Ranking = {
 	},
 
 	create: function() {
-		self = this;
-
 		this.dbConnectManager = new DBConnectManager();
 
 		this.jsonData = null;
 		this.mode = Ranking.MODE_HOUR;
+		this.refreshTimeSec = Ranking.REFRESH_TIME_SEC;
 
 		this.game.stage.backgroundColor = '#4d4d4d';
 
-		// var phaser = game.add.image(game.world.centerX, game.world.centerY, 'phaser');
-		// phaser.anchor.set(0.5);
-		// phaser.alpha = 0.1;
-
-
 		// keyboard shortcut
 		this.keyboardShortcut = new KeyboardShortcut();
 		this.keyboardShortcut.addCallback(
@@ -59,11 +53,23 @@ var Ranking = {
 
 
 		var buttonPositionY = 640;
-		var buttonHour = this.makeTextButton(game.world.centerX - 220, buttonPositionY, "수업시간 순위", this.showRankingHour);
+		var buttonHour = this.makeTextButton(
+			game.world.centerX - 220, buttonPositionY,
+			"수업시간 순위",
+			(function() { this.showRankingHour(); }).bind(this)
+		);
 		// buttonHour.inputEnabled = false;
-		var buttonDay = this.makeTextButton(game.world.centerX, buttonPositionY, "오늘의 순위", this.showRankingDay);
+		var buttonDay = this.makeTextButton(
+			game.world.centerX, buttonPositionY,
+			"오늘의 순위",
+			(function() { this.showRankingDay(); }).bind(this)
+		);
 		// buttonDay.inputEnabled = false;
-		var buttonMonth = this.makeTextButton(game.world.centerX + 220, buttonPositionY, "이달의 순위", this.showRankingMonth);
+		var buttonMonth = this.makeTextButton(
+			game.world.centerX + 220, buttonPositionY,
+			"이달의 순위",
+			(function() { this.showRankingMonth(); }).bind(this)
+		);
 		// buttonMonth.inputEnabled = false;
 
 
@@ -76,7 +82,7 @@ var Ranking = {
 		this.screenBottomUI.printRightText(sessionStorageManager.getPlayerName());
 
 		this.getRecordToRankingServer();
-		game.time.events.loop(Phaser.Timer.SECOND * 10, this.getRecordToRankingServer, this);
+		game.time.events.loop(Phaser.Timer.SECOND * this.refreshTimeSec, this.getRecordToRankingServer, this);
 	},
 
 
@@ -158,39 +164,33 @@ var Ranking = {
 
 	getRecordToRankingServer: function() {
 		// console.log("getRecordToRankingServer : " + this.mode);
-		var self = this;
-
 		this.dbConnectManager.requestAppRanking(
 			sessionStorageManager.getMaestroID(),
 			sessionStorageManager.getPlayingAppID(),
-			(function(jsonData) {
+			(function(jsonData) { this.showRanking(jsonData); }).bind(this),
-				self.showRanking(jsonData);
+			(function(jsonData) { this.showRanking(null); }).bind(this)
-			}),
-			(function(jsonData) {
-				self.showRanking(null);
-			})
 		);
 	},
 
 	showRankingHour: function() {
-		self.mode = Ranking.MODE_HOUR;
+		this.mode = Ranking.MODE_HOUR;
-		self.textTitle.text = sessionStorageManager.getPlayingAppKoreanName() + " - 수업시간 순위";
+		this.textTitle.text = sessionStorageManager.getPlayingAppKoreanName() + " - 수업시간 순위";
-		self.textTitle.addColor("#ff6666", 0);
+		this.textTitle.addColor("#ff6666", 0);
-		self.getRecordToRankingServer();
+		this.getRecordToRankingServer();
 	},
 
 	showRankingDay: function() {
-		self.mode = Ranking.MODE_DAY;
+		this.mode = Ranking.MODE_DAY;
-		self.textTitle.text = sessionStorageManager.getPlayingAppKoreanName() + " - 오늘의 순위";
+		this.textTitle.text = sessionStorageManager.getPlayingAppKoreanName() + " - 오늘의 순위";
-		self.textTitle.addColor("#9999ff", 0);
+		this.textTitle.addColor("#9999ff", 0);
-		self.getRecordToRankingServer();
+		this.getRecordToRankingServer();
 	},
 
 	showRankingMonth: function() {
-		self.mode = Ranking.MODE_MONTH;
+		this.mode = Ranking.MODE_MONTH;
-		self.textTitle.text = sessionStorageManager.getPlayingAppKoreanName() + " - 이달의 순위";
+		this.textTitle.text = sessionStorageManager.getPlayingAppKoreanName() + " - 이달의 순위";
-		self.textTitle.addColor("#99ff99", 0);
+		this.textTitle.addColor("#99ff99", 0);
-		self.getRecordToRankingServer();
+		this.getRecordToRankingServer();
 	},
 
 	showRanking: function(jsonRankingData) {
@@ -302,3 +302,5 @@ var Ranking = {
 Ranking.MODE_HOUR	= "mode_hour";
 Ranking.MODE_DAY	= "mode_day";
 Ranking.MODE_MONTH	= "mode_month";
+
+Ranking.REFRESH_TIME_SEC	= 10;