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index.js
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index.js
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// User type
function User(userid) {
this.id = userid;
this.plans = [];
}
/* method: User::getPlans()
* loads data assigned to user and calls User::displayPlans()
*/
User.prototype.getPlans = function(callback) {
var self = this;
var url = app.plansServer + '/plans/' + this.id;
var request = new XMLHttpRequest({
mozAnon: true,
mozSystem: true});
request.onload = function() {
console.log('DEBUG: plans loaded from server');
self.initiatePlans(this.responseText);
localStorage.setItem('plans', this.responseText);
self.displayPlans();
if (callback) {
callback();
}
};
request.onerror = function(error) {
console.log('DEBUG: Failed to get plans from ``' + url + '``', error);
};
request.open("get", url, true);
request.send();
};
/* method: User::reloadPlans()
* removes all existing plans UI and calls User::getPlans()
*/
User.prototype.reloadPlans = function() {
// remove UI from plans
for (var i = 0; i < this.plans.length; i++) {
this.plans[i].removeUI();
}
// clean this.plans
this.plans = [];
// clean phone's storage
localStorage.setItem('plans', '[]');
// load plans from server
this.getPlans(app.toggleSettings);
};
/* method: User::initiatePlans()
* parses plans from JSON representation and initiates a new Plan for
* each of them
*/
User.prototype.initiatePlans = function(plansString) {
var plans = JSON.parse(plansString);
for (var i = 0; i < plans.length; i++) {
this.plans.push(new Plan(plans[i]));
}
}
/* method: User::loadPlans()
* loads plans from either localStorage or using User::getPlans
*/
User.prototype.loadPlans = function() {
var plans = localStorage.getItem('plans');
if (plans === null) {
return this.getPlans();
}
console.log('DEBUG: plans loaded from device');
this.initiatePlans(plans);
this.displayPlans();
};
/* method: User::displayPlans()
* loads local names of days and calls Plan::createUI for each plan
*/
User.prototype.displayPlans = function() {
var self = this;
navigator.globalization.getDateNames(function(dayOfWeek){
var deck = document.getElementById('plan-group');
var tabbar = document.getElementById('plan-group-menu');
for (var i = 0; i < self.plans.length; i++) {
self.plans[i].createUI(deck, tabbar, dayOfWeek);
}
}, function() {}, {type: 'narrow', item: 'days'});
};
// Plan type
function Plan(plan) {
this.schedule = plan.week;
this.title = plan.title;
this.id = plan.id;
this.active = plan.active;
this.tab = null;
this.card = null;
this.table = null;
};
/* method Plan::selectTab()
* switches the active tab of <brick-tabbar>
* uses polling as brick might not be fully loaded yet
*/
Plan.prototype.selectTab = function(deck) {
var self = this;
function selectActiveTab() {
if (!self.tab.targetElement) {
return window.setTimeout(selectActiveTab, 100);
}
deck.showCard(self.tab.targetElement);
}
selectActiveTab();
};
/* method Plan::createUI()
* creates <brick-card> and <brick-tab> elements, then renders plan into
* the <table> element
*/
Plan.prototype.createUI = function(deck, tabbar, dayOfWeek) {
// create card
this.card = document.createElement('brick-card');
this.card.setAttribute('id', this.id);
deck.appendChild(this.card);
//create tab
this.tab = document.createElement('brick-tabbar-tab');
this.tab.setAttribute('target', this.id);
this.tab.appendChild(document.createTextNode(this.title));
tabbar.appendChild(this.tab);
// link card and tab DOM Elements
this.card.tabElement = this.tab;
this.card.addEventListener('show', function() {
this.tabElement.select();
});
// create plan table
this.table = document.createElement('table');
// hide not used days
var numberOfDays = this.schedule.length;
var cleanPlan = [];
for (var j = 0; j < numberOfDays; j++) {
if (this.schedule[j].length > 0) {
cleanPlan.push(this.schedule[j]);
}
}
// rotate the table
var daysInHours = [];
for (j = 0; j < cleanPlan.length; j++) {
for (var k = 0; k < cleanPlan[j].length; k++) {
if (!daysInHours[k]) {
daysInHours[k] = [];
}
daysInHours[k][j] = cleanPlan[j][k];
}
}
// create plan's DOM Elements
for (var j = 0; j < daysInHours.length; j++) {
var tr = this.table.insertRow(-1);
var td = tr.insertCell(-1);
td.appendChild(document.createTextNode(j + 1));
for (var k = 0; k < cleanPlan.length; k++) {
var td = tr.insertCell(-1);
if (daysInHours[j][k]) {
td.appendChild(document.createTextNode(daysInHours[j][k]));
}
}
}
// create plan's header
var thead = this.table.createTHead();
var tr = thead.insertRow();
var th_empty = document.createElement('th');
tr.appendChild(th_empty);
var weekDayNumber;
for (var j = 0; j < numberOfDays; j++) {
var weekDayNumber = (j + 1) % 7;
if (this.schedule[j].length > 0) {
var th = document.createElement('th');
th.appendChild(document.createTextNode(dayOfWeek.value[weekDayNumber]));
tr.appendChild(th);
}
}
this.card.appendChild(this.table);
// select current plan if active
if (this.active) {
this.selectTab(deck);
}
};
Plan.prototype.removeUI = function() {
this.card.remove();
this.tab.remove();
};
var app = {
plans: [],
planGroup: null,
initialize: function() {
this.bindEvents();
},
bindEvents: function() {
document.addEventListener('deviceready', this.onDeviceReady, false);
},
onDeviceReady: function() {
app.plansServer = localStorage.getItem('plansServer');
app.userID = localStorage.getItem('userID');
app.activateFingerSwipe();
app.assignButtons();
console.log(app.userID);
if (app.plansServer && app.userID) {
app.user = new User(app.userID);
app.user.loadPlans();
} else {
app.toggleSettings();
}
},
activateFingerSwipe: function() {
// Switching from one tab to another is done automatically
// We just need to link it backwards - change menu if slides
// changed without touching the menu
app.planGroupMenu = document.getElementById('plan-group-menu');
// Implementing one finger swipe to change deck card
app.planGroup = document.getElementById('plan-group');
var startX = null;
var slideThreshold = 100;
function touchStart(sX) {
startX = sX;
}
function touchEnd(endX) {
var deltaX;
if (startX) {
deltaX = endX - startX;
if (Math.abs(deltaX) > slideThreshold) {
startX = null;
if (deltaX > 0) {
app.previousPlan();
} else {
app.nextPlan();
}
}
}
}
app.planGroup.addEventListener('touchstart', function(evt) {
var touches = evt.changedTouches;
if (touches.length === 1) {
// runs only for one finger touch
touchStart(touches[0].pageX);
}
});
app.planGroup.addEventListener('touchmove', function(evt) {
// switched off scrolling on webkit
evt.preventDefault();
touchEnd(evt.changedTouches[0].pageX);
});
},
toggleSettings: function() {
app.flipbox.toggle();
},
assignButtons: function(){
app.flipbox = document.querySelector('brick-flipbox');
var settingsButton = document.getElementById('settings-button');
var settingsOffButton = document.getElementById('settings-off-button');
settingsButton.addEventListener('click', app.toggleSettings);
settingsOffButton.addEventListener('click', app.toggleSettings);
var reloadButton = document.getElementById('reload-button');
reloadButton.addEventListener('touchend', function() {
app.user.reloadPlans();
}, false);
var serverInput = document.getElementById('input-server');
if (app.plansServer) {
serverInput.value = app.plansServer;
}
serverInput.addEventListener('blur', function() {
app.plansServer = serverInput.value || null;
localStorage.setItem('plansServer', app.plansServer);
});
var userInput = document.getElementById('input-user');
if (app.userID) {
userInput.value = app.userID;
}
userInput.addEventListener('blur', function() {
app.userID = userInput.value || null;
if (app.userID) {
if (app.user) {
app.user.id = app.userID;
} else {
app.user = new User(app.userID);
}
localStorage.setItem('userID', app.userID);
}
});
document.getElementById('form-settings').addEventListener('submit', function(e) {
e.preventDefault();
}, false)
},
previousPlan: function() {
app.planGroup.previousCard();
},
nextPlan: function() {
app.planGroup.nextCard();
}
}
window.onload = function() {
app.initialize();
}