CustomTile.controller.js

sap.ui.define([
	"sap/ui/core/mvc/Controller",
	"sap/ui/model/json/JSONModel"
], function(Controller, JSONModel) {
	"use strict";

	var N_MAX_MINS;
	var oModel;
	
	/**
	 * Sets the new countdown and ensures that only values are set which are in range;
	 */ 
	function setCountdown(nMins, nSecs) {
		nSecs = Math.max(nSecs, 0);
		nSecs = Math.min(nSecs, 59);
		nMins = Math.max(nMins, 0);
		if (nMins >= N_MAX_MINS) {
			nMins = N_MAX_MINS;
			nSecs = 0; // do not exceed maximum
		}
		
		oModel.setProperty("/mins", nMins);
		oModel.setProperty("/secs", nSecs);
	}
	
	function countDown() {
		var nMins = oModel.getProperty("/mins");
		var nSecs = oModel.getProperty("/secs");
		
		if (nSecs <= 0 && nMins > 0) {
			nSecs = 59;
			nMins -= 1;
		} else {
			nSecs -= 1;
		}
		
		setCountdown(nMins, nSecs);
	}
	
	function addMins(nAddedMins) {
		var nMins = oModel.getProperty("/mins"), 
			nSecs = oModel.getProperty("/secs");
		
		nAddedMins = nAddedMins || 1;
		setCountdown(nMins + nAddedMins, nSecs);
	}

	function openApp(sUrl) {
		if (typeof sUrl !== "string" || sUrl.length < 1 ) {
			return;
		}

		if (sUrl[0] === "#"){
			// use the hasher object in case the URL is an intent, see 
			// https://help.hana.ondemand.com/cloud_portal/frameset.htm?1888fdf908bc4622a3b56f0c7a2523a9.html
			hasher.setHash(sUrl);
			return;
		}

		// this is an arbitrary URL
		window.open(sUrl, "_blank");
	}

	return Controller.extend("ui5con.flp.customtile.CustomTile", {

		onInit: function() {
			var oComponent = this.getOwnerComponent(),
				oStartTime = oComponent.getStartTime();
				
			// set "globals"
			N_MAX_MINS = oComponent.getMaxMins();
			oModel = new JSONModel({
				mins: 0, // set via setCountdown()
				secs: 0, // set via setCountdown()
				subtitle: oComponent.getTitle() || "ui5con",
				targetUrl: oComponent.getTargetUrl(),
				tileSize: oComponent.getTileSize()
			});
			
			// use setCountDown before the model is set, so no invalid times
			// are ever visble to the user
			setCountdown(oStartTime.mins, oStartTime.secs);
			oComponent.setModel(oModel);
			
			// decrease countdown every second
			setInterval(countDown, 1000);
		},

		onTilePressed: function(oEvent) {
			addMins(1);

			// uncomment the following lines
			// to open the configured app instead
			// var sTargetUrl = oEvent.getSource().data("href");
			// openApp(sTargetUrl);
		}
	});

});