| 40 |
aurelien |
1 |
/*!
|
|
|
2 |
* jQuery UI Mouse 1.8.5
|
|
|
3 |
*
|
|
|
4 |
* Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
|
|
|
5 |
* Dual licensed under the MIT or GPL Version 2 licenses.
|
|
|
6 |
* http://jquery.org/license
|
|
|
7 |
*
|
|
|
8 |
* http://docs.jquery.com/UI/Mouse
|
|
|
9 |
*
|
|
|
10 |
* Depends:
|
|
|
11 |
* jquery.ui.widget.js
|
|
|
12 |
*/
|
|
|
13 |
(function( $, undefined ) {
|
|
|
14 |
|
|
|
15 |
$.widget("ui.mouse", {
|
|
|
16 |
options: {
|
|
|
17 |
cancel: ':input,option',
|
|
|
18 |
distance: 1,
|
|
|
19 |
delay: 0
|
|
|
20 |
},
|
|
|
21 |
_mouseInit: function() {
|
|
|
22 |
var self = this;
|
|
|
23 |
|
|
|
24 |
this.element
|
|
|
25 |
.bind('mousedown.'+this.widgetName, function(event) {
|
|
|
26 |
return self._mouseDown(event);
|
|
|
27 |
})
|
|
|
28 |
.bind('click.'+this.widgetName, function(event) {
|
|
|
29 |
if(self._preventClickEvent) {
|
|
|
30 |
self._preventClickEvent = false;
|
|
|
31 |
event.stopImmediatePropagation();
|
|
|
32 |
return false;
|
|
|
33 |
}
|
|
|
34 |
});
|
|
|
35 |
|
|
|
36 |
this.started = false;
|
|
|
37 |
},
|
|
|
38 |
|
|
|
39 |
// TODO: make sure destroying one instance of mouse doesn't mess with
|
|
|
40 |
// other instances of mouse
|
|
|
41 |
_mouseDestroy: function() {
|
|
|
42 |
this.element.unbind('.'+this.widgetName);
|
|
|
43 |
},
|
|
|
44 |
|
|
|
45 |
_mouseDown: function(event) {
|
|
|
46 |
// don't let more than one widget handle mouseStart
|
|
|
47 |
// TODO: figure out why we have to use originalEvent
|
|
|
48 |
event.originalEvent = event.originalEvent || {};
|
|
|
49 |
if (event.originalEvent.mouseHandled) { return; }
|
|
|
50 |
|
|
|
51 |
// we may have missed mouseup (out of window)
|
|
|
52 |
(this._mouseStarted && this._mouseUp(event));
|
|
|
53 |
|
|
|
54 |
this._mouseDownEvent = event;
|
|
|
55 |
|
|
|
56 |
var self = this,
|
|
|
57 |
btnIsLeft = (event.which == 1),
|
|
|
58 |
elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false);
|
|
|
59 |
if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
|
|
|
60 |
return true;
|
|
|
61 |
}
|
|
|
62 |
|
|
|
63 |
this.mouseDelayMet = !this.options.delay;
|
|
|
64 |
if (!this.mouseDelayMet) {
|
|
|
65 |
this._mouseDelayTimer = setTimeout(function() {
|
|
|
66 |
self.mouseDelayMet = true;
|
|
|
67 |
}, this.options.delay);
|
|
|
68 |
}
|
|
|
69 |
|
|
|
70 |
if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
|
|
|
71 |
this._mouseStarted = (this._mouseStart(event) !== false);
|
|
|
72 |
if (!this._mouseStarted) {
|
|
|
73 |
event.preventDefault();
|
|
|
74 |
return true;
|
|
|
75 |
}
|
|
|
76 |
}
|
|
|
77 |
|
|
|
78 |
// these delegates are required to keep context
|
|
|
79 |
this._mouseMoveDelegate = function(event) {
|
|
|
80 |
return self._mouseMove(event);
|
|
|
81 |
};
|
|
|
82 |
this._mouseUpDelegate = function(event) {
|
|
|
83 |
return self._mouseUp(event);
|
|
|
84 |
};
|
|
|
85 |
$(document)
|
|
|
86 |
.bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
|
|
|
87 |
.bind('mouseup.'+this.widgetName, this._mouseUpDelegate);
|
|
|
88 |
|
|
|
89 |
// preventDefault() is used to prevent the selection of text here -
|
|
|
90 |
// however, in Safari, this causes select boxes not to be selectable
|
|
|
91 |
// anymore, so this fix is needed
|
|
|
92 |
($.browser.safari || event.preventDefault());
|
|
|
93 |
|
|
|
94 |
event.originalEvent.mouseHandled = true;
|
|
|
95 |
return true;
|
|
|
96 |
},
|
|
|
97 |
|
|
|
98 |
_mouseMove: function(event) {
|
|
|
99 |
// IE mouseup check - mouseup happened when mouse was out of window
|
|
|
100 |
if ($.browser.msie && !event.button) {
|
|
|
101 |
return this._mouseUp(event);
|
|
|
102 |
}
|
|
|
103 |
|
|
|
104 |
if (this._mouseStarted) {
|
|
|
105 |
this._mouseDrag(event);
|
|
|
106 |
return event.preventDefault();
|
|
|
107 |
}
|
|
|
108 |
|
|
|
109 |
if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
|
|
|
110 |
this._mouseStarted =
|
|
|
111 |
(this._mouseStart(this._mouseDownEvent, event) !== false);
|
|
|
112 |
(this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
|
|
|
113 |
}
|
|
|
114 |
|
|
|
115 |
return !this._mouseStarted;
|
|
|
116 |
},
|
|
|
117 |
|
|
|
118 |
_mouseUp: function(event) {
|
|
|
119 |
$(document)
|
|
|
120 |
.unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
|
|
|
121 |
.unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);
|
|
|
122 |
|
|
|
123 |
if (this._mouseStarted) {
|
|
|
124 |
this._mouseStarted = false;
|
|
|
125 |
this._preventClickEvent = (event.target == this._mouseDownEvent.target);
|
|
|
126 |
this._mouseStop(event);
|
|
|
127 |
}
|
|
|
128 |
|
|
|
129 |
return false;
|
|
|
130 |
},
|
|
|
131 |
|
|
|
132 |
_mouseDistanceMet: function(event) {
|
|
|
133 |
return (Math.max(
|
|
|
134 |
Math.abs(this._mouseDownEvent.pageX - event.pageX),
|
|
|
135 |
Math.abs(this._mouseDownEvent.pageY - event.pageY)
|
|
|
136 |
) >= this.options.distance
|
|
|
137 |
);
|
|
|
138 |
},
|
|
|
139 |
|
|
|
140 |
_mouseDelayMet: function(event) {
|
|
|
141 |
return this.mouseDelayMet;
|
|
|
142 |
},
|
|
|
143 |
|
|
|
144 |
// These are placeholder methods, to be overriden by extending plugin
|
|
|
145 |
_mouseStart: function(event) {},
|
|
|
146 |
_mouseDrag: function(event) {},
|
|
|
147 |
_mouseStop: function(event) {},
|
|
|
148 |
_mouseCapture: function(event) { return true; }
|
|
|
149 |
});
|
|
|
150 |
|
|
|
151 |
})(jQuery);
|