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var KB = {
components: {},
utils: {},
html: {},
http: {},
listeners: {
clicks: {},
changes: {},
keys: {},
internals: {}
}
};
KB.on = function (eventType, callback) {
if (! this.listeners.internals.hasOwnProperty(eventType)) {
this.listeners.internals[eventType] = [];
}
this.listeners.internals[eventType].push(callback);
};
KB.trigger = function (eventType, eventData) {
if (this.listeners.internals.hasOwnProperty(eventType)) {
for (var i = 0; i < this.listeners.internals[eventType].length; i++) {
if (! this.listeners.internals[eventType][i](eventData)) {
break;
}
}
}
};
KB.onClick = function (selector, callback) {
this.listeners.clicks[selector] = callback;
};
KB.onChange = function (selector, callback) {
this.listeners.changes[selector] = callback;
};
KB.onKey = function (key, callback) {
this.listeners.keys[key] = callback;
};
KB.listen = function () {
var self = this;
function onClick(e) {
for (var selector in self.listeners.clicks) {
if (self.listeners.clicks.hasOwnProperty(selector) && e.target.matches(selector)) {
e.preventDefault();
self.listeners.clicks[selector](e);
}
}
}
function onChange(e) {
for (var selector in self.listeners.changes) {
if (self.listeners.changes.hasOwnProperty(selector) && e.target.matches(selector)) {
self.listeners.changes[selector](e.target);
}
}
}
function onKeypress(e) {
var key = (typeof e.which === 'number') ? e.which : e.keyCode;
var element = e.target;
if (element.tagName === 'INPUT' ||
element.tagName === 'SELECT' ||
element.tagName === 'TEXTAREA' ||
element.isContentEditable) {
return;
}
for (var keyMap in self.listeners.keys) {
if (self.listeners.keys.hasOwnProperty(keyMap) && key === parseInt(keyMap)) {
e.preventDefault();
self.listeners.keys[key](e);
}
}
}
document.addEventListener('click', onClick, false);
document.addEventListener('change', onChange, false);
document.addEventListener('keypress', onKeypress, false);
};
KB.component = function (name, object) {
this.components[name] = object;
};
KB.getComponent = function (name, containerElement, options) {
var object = this.components[name];
return new object(containerElement, options);
};
KB.render = function () {
for (var name in this.components) {
var elementList = document.querySelectorAll('.js-' + name);
for (var i = 0; i < elementList.length; i++) {
if (this.components.hasOwnProperty(name)) {
var options;
if (elementList[i].dataset.params) {
options = JSON.parse(elementList[i].dataset.params);
}
var component = KB.getComponent(name, elementList[i], options);
component.render();
elementList[i].className = elementList[i].className + '-rendered';
}
}
}
};
KB.interval = function (seconds, callback) {
setInterval(callback, seconds * 1000);
};
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