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Some small changes in fabric.Observable

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This commit is contained in:
Stefan Kienzle 2013-09-13 16:18:18 +02:00
parent a7489774fd
commit 539afb8d97
1 changed files with 11 additions and 13 deletions
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24
src/mixins/observable.mixin.js
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@ -6,13 +6,13 @@
* @param {Function} handler
*/
function _removeEventListener(eventName, handler) {
if (this.__eventListeners[eventName]) {
if (handler) {
fabric.util.removeFromArray(this.__eventListeners[eventName], handler);
}
else {
this.__eventListeners[eventName].length = 0;
}
if (!this.__eventListeners[eventName]) return;
if (handler) {
fabric.util.removeFromArray(this.__eventListeners[eventName], handler);
}
else {
this.__eventListeners[eventName].length = 0;
}
}
@ -56,9 +56,8 @@
* @chainable
*/
function stopObserving(eventName, handler) {
if (!this.__eventListeners) {
this.__eventListeners = { };
}
if (!this.__eventListeners) return;
// one object with key/value pairs was passed
if (arguments.length === 1 && typeof arguments[0] === 'object') {
for (var prop in eventName) {
@ -82,9 +81,8 @@
* @chainable
*/
function fire(eventName, options) {
if (!this.__eventListeners) {
this.__eventListeners = { };
}
if (!this.__eventListeners) return;
var listenersForEvent = this.__eventListeners[eventName];
if (!listenersForEvent) return;
for (var i = 0, len = listenersForEvent.length; i < len; i++) {