144 lines
4.1 KiB
JavaScript
144 lines
4.1 KiB
JavaScript
var KB = {
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components: {},
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utils: {},
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html: {},
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http: {},
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listeners: {
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clicks: {},
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changes: {},
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keys: {},
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internals: {}
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}
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};
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KB.on = function (eventType, callback) {
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if (! this.listeners.internals.hasOwnProperty(eventType)) {
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this.listeners.internals[eventType] = [];
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}
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this.listeners.internals[eventType].push(callback);
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};
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KB.trigger = function (eventType, eventData) {
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if (this.listeners.internals.hasOwnProperty(eventType)) {
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for (var i = 0; i < this.listeners.internals[eventType].length; i++) {
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if (! this.listeners.internals[eventType][i](eventData)) {
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break;
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}
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}
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}
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};
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KB.onClick = function (selector, callback) {
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this.listeners.clicks[selector] = callback;
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};
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KB.onChange = function (selector, callback) {
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this.listeners.changes[selector] = callback;
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};
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KB.onKey = function (key, callback, ignoreInputField) {
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this.listeners.keys[key] = {
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'callback': callback,
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'ignoreInputField': ignoreInputField || false
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};
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};
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KB.listen = function () {
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var self = this;
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var keysQueue = [];
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function onClick(e) {
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for (var selector in self.listeners.clicks) {
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if (self.listeners.clicks.hasOwnProperty(selector) && e.target.matches(selector)) {
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e.preventDefault();
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self.listeners.clicks[selector](e);
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}
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}
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}
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function onChange(e) {
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for (var selector in self.listeners.changes) {
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if (self.listeners.changes.hasOwnProperty(selector) && e.target.matches(selector)) {
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self.listeners.changes[selector](e.target);
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}
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}
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}
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function onKeyPressed(e) {
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var key = KB.utils.getKey(e);
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var isInputField = KB.utils.isInputField(e);
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if (! isInputField || ['Escape', 'Meta', 'Enter', 'Control'].indexOf(key) !== -1) {
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keysQueue.push(key);
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}
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if (keysQueue.length > 0) {
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var reset = true;
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for (var combination in self.listeners.keys) {
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if (self.listeners.keys.hasOwnProperty(combination)) {
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var keyboardListener = self.listeners.keys[combination];
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var sequence = combination.split('+');
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if (KB.utils.arraysIdentical(keysQueue, sequence)) {
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if (isInputField && !keyboardListener.ignoreInputField) {
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keysQueue = [];
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return;
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}
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e.preventDefault();
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e.stopPropagation();
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keysQueue = [];
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keyboardListener.callback(e);
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break;
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} else if (KB.utils.arraysStartsWith(keysQueue, sequence)) {
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reset = false;
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}
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}
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}
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if (reset) {
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keysQueue = [];
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}
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}
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}
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document.addEventListener('click', onClick, false);
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document.addEventListener('change', onChange, false);
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window.addEventListener('keydown', onKeyPressed, false);
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};
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KB.component = function (name, object) {
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this.components[name] = object;
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};
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KB.getComponent = function (name, containerElement, options) {
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var object = this.components[name];
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return new object(containerElement, options);
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};
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KB.render = function () {
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for (var name in this.components) {
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var elementList = document.querySelectorAll('.js-' + name);
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for (var i = 0; i < elementList.length; i++) {
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if (this.components.hasOwnProperty(name)) {
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var options;
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if (elementList[i].dataset.params) {
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options = JSON.parse(elementList[i].dataset.params);
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}
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var component = KB.getComponent(name, elementList[i], options);
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component.render();
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elementList[i].className = elementList[i].className + '-rendered';
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}
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}
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}
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};
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KB.interval = function (seconds, callback) {
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setInterval(callback, seconds * 1000);
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};
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