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| /* global Node */
'use strict';
var elements = require('../elements');
var Element = require('../element');
var ElementsArray = require('../elements_array');
var _findHandlers = /** @function
* @param event
* @param handlers */function _findHandlers(event, handlers) {
var $element = this;
var element = $element[0];
var results = [];
var currentTarget = event.target;
if (handlers.withSelector.length !== 0 && currentTarget.nodeType && (!event.button || event.type !== 'click')) {
var _loop = function () {
// Don't process clicks on disabled elements
if (currentTarget.disabled === true && event.type === 'click') {
return 'continue';
}
var matches = [];
handlers.withSelector.forEach(function (callbackObject) {
if (callbackObject.selector && elements.matches(currentTarget, callbackObject.selector)) {
matches.push(callbackObject.callback);
}
});
if (matches.length !== 0) {
results.push({ target: currentTarget, handlers: matches });
}
};
for (; currentTarget !== element; currentTarget = currentTarget.parentNode || element) {
var _ret = _loop();
if (_ret === 'continue') continue;
}
}
if (handlers.withoutSelector.length !== 0) {
results.push({ target: currentTarget, handlers: handlers.withoutSelector });
}
return results;
};
var _listener = /** @function
* @param event */function _listener(event) {
var type = event.type;
var $element = this;
event.$element = $element;
var handlers = $element._events;
if (console.debug) {
console.debug('event', event, $element, handlers && handlers[type]);
}
if (!handlers || !handlers[type]) {
return;
}
if (event.target) {
// Support: Safari 6.0+, Chrome<28
// Target should not be a text node (#504, #13143)
if (event.target.nodeType === Node.TEXT_NODE) {
event.target = event.target.parentNode;
}
if (event.target.nodeType === Node.ELEMENT_NODE) {
Object.defineProperty(event, '$target', {
get: /** @function */function get() {
return elements(event.target);
}
});
}
}
if (event.currentTarget && event.currentTarget.nodeType === Node.ELEMENT_NODE) {
Object.defineProperty(event, '$currentTarget', {
get: /** @function */function get() {
return elements(event.currentTarget);
}
});
}
var matchedHandlers = _findHandlers.call($element, event, handlers[type]);
// stopPropagation() fails to set cancelBubble to true in Webkit
// @see http://code.google.com/p/chromium/issues/detail?id=162270
event.stopPropagation = /** @function */function () {
this.cancelBubble = true;
};
event.stopImmediatePropagation = /** @function */function () {
this.cancelImmediatePropagation = true;
};
// OLD IE
if ((event.clientX || event.clientY) && !(event.pageX || event.pageY)) {
event.pageX = event.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
event.pageY = event.clientY + document.body.scrollTop + document.documentElement.scrollTop;
}
matchedHandlers.some(function (handlers) {
if (handlers.target) {
event.selectedTarget = handlers.target;
if (event.selectedTarget.nodeType === Node.ELEMENT_NODE) {
Object.defineProperty(event, '$selectedTarget', {
get: /** @function */function get() {
return elements(event.selectedTarget);
}
});
}
}
handlers.handlers.some(function (callback) {
if (callback.call(null, event) === false) {
event.preventDefault();
event.stopPropagation();
}
return !event.cancelImmediatePropagation;
});
return !event.cancelBubble;
});
};
/**
* Register a listener for a space separated list of events
* @name Element#on
* @method
* @param {String} eventNames
* @param {String=} selector
* @param {Function} listener
*/
/**
* Register a listener for a space separated list of events
* @name ElementsArray#on
* @method
* @param {String} eventNames
* @param {String=} selector
* @param {Function} listener
*/
elements.addMethodWithArgumentsReturnThis('on', /** @function
* @param element
* @param eventNames
* @param selector
* @param listener */function (element, eventNames, selector, listener) {
if (typeof selector === 'function') {
listener = selector;
selector = undefined;
}
var $element = elements(element);
var events = $element._events || ($element._events = {});
eventNames.split(' ').forEach(function (eventName) {
if (!events[eventName]) {
events[eventName] = { withSelector: [], withoutSelector: [] };
}
// use capture : blur and focus do not bubble up so we need to use event capturing
// (google closure will remove this var :))
var capture = eventName == 'blur' || eventName == 'focus';
if (!$element._eventsCallback) {
$element._eventsCallback = _listener.bind($element);
}
element.addEventListener(eventName, $element._eventsCallback, capture);
if (selector) {
events[eventName].withSelector.push({ selector: selector, callback: listener });
} else {
events[eventName].withoutSelector.push(listener);
}
});
});
/**
* Register a listener for a space separated list of events
*
* @example <caption>Example usage of on with a button.</caption>
* $('#my-button').on('click', (event) => {
* console.log(event.$element, event.$target);
* }
*
* @method Element#once
* @param {String} eventNames
* @param {String=} selector
* @param {Function} listener
*/
/**
* Register a listener for a space separated list of events
*
* @example <caption>Example usage of on with a button.</caption>
* $('#my-button').on('click', (event) => {
* console.log(event.$element, event.$target);
* }
*
* @method ElementsArray#once
* @param {String} eventNames
* @param {String=} selector
* @param {Function} listener
*/
elements.addMethodWithArgumentsReturnThis('once', /** @function
* @param element
* @param eventNames
* @param selector
* @param listener */function (element, eventNames, selector, listener) {
if (typeof selector === 'function') {
listener = selector;
selector = undefined;
}
var $element = elements(element);
$element.on(eventNames, selector, /** @function */function on() {
$element.off(eventNames, selector, on);
return listener.apply(this, arguments);
});
});
/**
* Unegister a listener for a space separated list of events
*
* @param {HTMLElement} element
* @param {String} eventNames
* @param {String=} selector
* @param {Function} listener
*/
elements.addMethodWithArgumentsReturnThis('off', /** @function
* @param element
* @param eventNames
* @param selector
* @param listener */function (element, eventNames, selector, listener) {
var $element = elements(element);
var events = $element._events;
if (!events) {
return;
}
if (typeof selector === 'function') {
listener = selector;
selector = undefined;
}
eventNames.split(' ').forEach(function (eventName) {
var callbacks = events[eventName];
if (!callbacks) {
return;
}
if (!listener && !selector) {
delete events[eventName];
return;
}
if (listener) {
if (selector) {
callbacks.withSelector.forEach( /** @function
* @param callback
* @param index */function (callback, index) {
if (callback.selector === selector && callback.callback === listener) {
callbacks.withSelector.splice(index, 1);
}
});
} else {
callbacks.withoutSelector.forEach( /** @function
* @param callback
* @param index */function (callback, index) {
if (callback.callback === listener) {
callbacks.withoutSelector.splice(index, 1);
}
});
}
} else {
// selector is not empty
callbacks.withSelector.forEach( /** @function
* @param callback
* @param index */function (callback, index) {
if (callback.selector === selector) {
callbacks.withSelector.splice(index, 1);
}
});
}
});
});
/**
* Register a delayed listener for a space separated list of events
*
* Usefull for key typing events
*
* @example <caption>Example usage of onDelayed.</caption>
* $('#input-search').onDelayed(200, 'keyup', (event) => {
* console.log(event.$element.getValue()
* }
*
* @method Element#onDelayed
* @param {Number} delay
* @param {String} eventNames
* @param {String=} selector
* @param {Function} listener
*/
/**
* Register a delayed listener for a space separated list of events
*
* Usefull for key typing events
*
* @example <caption>Example usage of onDelayed.</caption>
* $('#input-search').onDelayed(200, 'keyup', (event) => {
* console.log(event.$element.getValue()
* }
*
* @method ElementsArray#onDelayed
* @param {Number} delay
* @param {Number} [throttle=false]
* @param {String} eventNames
* @param {String} [selector]
* @param {Function} listener
*/
var onDelayed = /** @function
* @param delay
* @param throttle
* @param eventNames
* @param selector
* @param listener */function onDelayed(delay, throttle, eventNames, selector, listener) {
if (typeof throttle !== 'boolean') {
listener = selector;
selector = eventNames;
eventNames = throttle;
throttle = false;
}
if (typeof selector === 'function') {
listener = selector;
selector = undefined;
}
var wait = undefined;
this.on(eventNames, selector, /** @function
* @param {...*} args */function () {
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
var _this = this;
if (!throttle) {
clearTimeout(wait);
wait = null;
}
if (!wait) {
wait = setTimeout(function () {
wait = null;
listener.apply(_this, args);
}, delay);
}
});
};
Element.prototype.onDelayed = ElementsArray.prototype.onDelayed = onDelayed;
/**
* Fire an event
*
* @param {HTMLElement} element
* @param {Event} event
*/
elements.addMethodWithArgumentsReturnThis('fire', /** @function
* @param element
* @param event */function (element, event) {
element.dispatchEvent(event);
});
//# sourceMappingURL=events.js.map |