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/*!
* jQuery UI Mouse @VERSION
*
* Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Mouse
*
* Depends:
* jquery.ui.widget.js
*/
(function($) {
$.widget("ui.mouse", {
options: {
cancel: ':input,option',
distance: 1,
delay: 0
},
_mouseInit: function() {
var self = this;
this.element
.bind('mousedown.'+this.widgetName, function(event) {
return self._mouseDown(event);
})
.bind('click.'+this.widgetName, function(event) {
if(self._preventClickEvent) {
self._preventClickEvent = false;
event.stopImmediatePropagation();
return false;
}
});
this.started = false;
},
// TODO: make sure destroying one instance of mouse doesn't mess with
// other instances of mouse
_mouseDestroy: function() {
this.element.unbind('.'+this.widgetName);
},
_mouseDown: function(event) {
// don't let more than one widget handle mouseStart
// TODO: figure out why we have to use originalEvent
event.originalEvent = event.originalEvent || {};
if (event.originalEvent.mouseHandled) { return; }
// we may have missed mouseup (out of window)
(this._mouseStarted && this._mouseUp(event));
this._mouseDownEvent = event;
var self = this,
btnIsLeft = (event.which == 1),
elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false);
if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
return true;
}
this.mouseDelayMet = !this.options.delay;
if (!this.mouseDelayMet) {
this._mouseDelayTimer = setTimeout(function() {
self.mouseDelayMet = true;
}, this.options.delay);
}
if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
this._mouseStarted = (this._mouseStart(event) !== false);
if (!this._mouseStarted) {
event.preventDefault();
return true;
}
}
// these delegates are required to keep context
this._mouseMoveDelegate =
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